2

eS
a
Paes

ae
rs

<

oats
Toone
Seer

ats }

RNA

Ay As Be ye
ROR ONS

eat pe Bea

a

Sees ONTAN EN STITUTION,
UNITED STATES NATIONAL MUSEUM.

BULLETIN

UNITED STATES NATIONAL MUSEUM.
INO AL.

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID.E.

WILLIAM H. ASSHMEAD.

WASHINGTON:
GOVERNMENT PRINTING OFFICE.
1893.

ADVERTISEMENT.

This work (Bulletin No. 45) is one of a series of papers intended to
illustrate the collections belonging to the United States, and consti-
tuting the National Museum, of which the Smithsonian Institution was
placed in charge by the act of Congress of August 10, 1846.

The publications of the National Museum consist of two series—the
Bulletin, of which this is No. 45, in continuous series, and the Proceed-
ings, of which the sixteenth volume is now in press. A small edition
of each paper in the Proceedings is distributed in pamphlet form to
specialists in advance of the publication of the bound volume.

The Bulletin of the National Museum, the publication of which was
commenced in 1875, consists of elaborate papers based upon the collec-
tions of the Museum, reports of expeditions, ete., while the Proceedings
facilitate the prompt publication of freshly-acquired facts relating to
biology, anthropology, and geology, descriptions of restricted groups
of animals and plants, the discussion of particular questions relative
to the synonymy of species, and the diaries of minor expeditions.

Other papers, of more general popular interest, are printed in the
Appendix to the Annual Report.

Full lists of the publications of the Museum may be found in the cur-
rent catalogues of the publications of the Smithsonian Institution.

Papers intended for publication in the Proceedings and Bulletin of
the National Museum are referred to the Committee on Publications,
composed as follows: T. H. Bean (chairman), A. Howard Clark, Rh. E.
Earll, Otis T. Mason, Leonhard Stejneger, Frederick W. True, and
Lester F. Ward.

S. P. LANGLEY,
Secretary of the Smithsonian Institution,
WASHINGTON, D. C., July 5th, 1893,

Mee) IN ©) Gay A i

NORTH AMERICAN PROCTOTRYPIDA,

WILLIAM H. ASHMEAD.

WASHINGTON:
GOVERNMENT PRINTING OFFICE,
1892.

roe oA Oice

In the present work I have attempted to give a systematic descrip-
tion of the species of the Hymenopterous family Proctotrypide, found
in North America, north of Mexico, at the same time systematizing
and describing the genera of the world, as an aid to futurt students.

It represents several years study of the family, and although sen-
sible of its incompleteness and many imperfections I shali be fully
repaid for the labor involved if f have paved the way for a more
thorough study of the family or stimulated others to collect these
curious insects and study their remarkable habits.

In the preparation of this work my thanks are especially due to the
following friends:

To Mr. W. Hague Harrington, of Ottawa, Canada, I am indebted
for valuable contributions to my cabinet during many years and for
types of some of the species described by the Abbé Provancher; to my
friends and colleagues, KE. A. Schwarz, Theo. Pergande, and Otto
Heidemann, who have contributed by donating, from time to time,
specimens taken during our entomological excursions in and around
Washington and elsewhere; to Prof. E. A. Popenoe, for a few species
collected in Kansas; to Dr. C. V. Riley, for the free use of his valuable
notes on the rearings and habits of the species, and for other courte-
sies Shown me during the progress of the work; to Mr. L. O. Howard,
my friend and colaborer in the Microhymenoptera for like courtesies;
to Dr. Gustav Mayr, of Vienna, Austria, for some typical European
genera, and to Dr. C. W. Stiles, for making a microscopical section of
the ovipositor.

Finally, to Prof. Dr. K. Mobius, director of the Royal Berlin Museum,
and to Dr. F. Karsch, custodian of said museum, my warmest thanks
are due for allowing me to study and describe the North American
species contained therein.

I have also had the privilege of studying and describing the many
new and interesting forms in the National collection and in the collec-
tion of the American Entomological Society, kindly sent by Mr. E. T.
Cresson to the Museum for study and exchange, and which contains
the types of Cresson, Patton, and Haldeman.

Dr. Riley has also permitted me to include from his manuscript, a
few descriptions of species in which he has been particularly interested.

Viren es Ae
WASHINGTON, D. C., Mareh 4, 1893.

o

eae
cede a @ fa

{-

—
.
ht
.
a

CLO TENET Se

eR CtaC Mpa tecnica es a ecislatsics sctic cintosserea estate inlet anne cna diae aise
Miniter. linn Citys yee eet rca aia leva e farore ar a rsreie olatcieae Sjaiedlvie Siem S wae ak ne eee
External structural characters: The head; the thorax; the abdomen, ovi-
RR eee ae lad oan ieee ee tanec eee
HAD IESOlb Me wpeLIeChMNSCCISEm esas anaes. me. | oe ele) seas ole neem nee
Dimornphismyandsparthenogenesis= sess asses. soe see sees ass ee see an seip ns
PiTesuranstonrmatvonsrOL lite wWiStORye= sas. ose ccs Senate casio cae neces oe
The egg and embryological development; the larvie, their habits and
pupation.
AS ero Meter ess = ey ara wishes sy siara mo pcietnis ain ss oie sian s 2 Seles Soa.y elds ves iclelowsiclawe

MUD LeTOtmb NERS UDMUMIENGSen= ah). oye setters Seis seine wai on.siniere se Stacie Sie ale erent soe
Subfamily ieee uly ince rer ep seer terete mare eects anise seme ANSP eiarere cee

Wee OETA GONE cay aee meets nese ero aor aye ern oso
WE SCE MLO MI come ae Seer ore MRE ep aeyae mee nests Has ate Ge onset

Vale Proce typi een ai= 2s hos < ses sare oate seis cvolteletcisiwa Gece
EGS Cay LIN Ge as Seperate tte ora wate RSs areas pel Stag cee ie lay cs wrascrn sto

Neo MULTE erat seen ny oh ne hin ee Wieniet ge eis Sues athe

Tabular.view of the bred North American Proctotrypidw ..............--..
MberaTUnesan ean Onevd vulOnS =a eta se eee) sa sclsc cain cen ceicaaicteins late sacle
Rasp la AON avORD AbERe aoe ners eens le a Hace Pos alles gs seSees tm cd os eben:
PS Naor tee ae eet ote a ct i ehataral w/e ay cy Siaiaral eras Stale © Aials'e als wih wiayers eG valeinet onic y eis

10
16
7
18

21
22
26
27
77
80
102
136
247
330
331
345
384
449
453
459
465

ieee Or DU Cor TON:

What a wide field, therefore, remains to be investigated before we shall become
acquainted with the 600,000 or even 400,000 species supposed by Messrs Kirby and
Spence to exist; and how absurd does it seem to consider our systems or rather sys-
tem as firmly established whilst so little is comparatively known.—WESTWOOD, in
1835.

Although the classification of insects is in a more satisfactory condi-
tion than when Prof. Westwood wrote these memorable words, more
than half a century ago, a fact due in great part to this Nestor of
entomology and his contemporaries, our system of classification can
not yet be considered firmly established. Instead of 600,000 species
to deal with, later estimates place them at millions. Messrs. Sharp
and Walsingham in 1889 placed them at two millions; while the latest
authority, that of Dr. C. V. Riley, 1892, indicates that there are perhaps
10,000,000 species existing on the globe.

In these pages it is my province to treat of only a small proportion of
this intricate and perplexing aggregate of forms, as found in America,
north of Mexico, viz: those of the single family Proctotrypidee.

The Proctotrypidee, by some authorities, are considered to be closely
allied to the Chalcidide and, in a systematic arrangement of the
hymenopterous families, usually follow them in our manuals and cata-
logues.

I consider, however, that they have but little affinity with the Chalei-
did and that this arrangement is unnatural. They are in every re-
spect more closely allied to the Hymenoptera aculeata, the Chrysidide,
Seoliide, Mutillidw, and Thynnidw; while in the Terebrantia, I be-
lieve, they approach closest to the parasitic Cynipide (Allotria, Hucoila,
and Figites).

In a natural arrangement, therefore, they should be placed at the
head of the Terebrantia; for after the removal of the group Mymarine,
[which I hold with Haliday forms a separate and distinct family allied
to the Chalcidide,] there is no relationship with the Chalcidide.

With the Mymarine removed, there will be no difficulty in distin-
guishing, at a glance, a Proctotrypid from a Chaleid. In all true Proc-
totrypids the pronotum extends back to the tegule and the ovipositor
issues from the tip of the abdomen, the sheaths, except in a few ab-
normal eases, being conjoined and forming a more or less cylindrical
tube or scabbard for the reception of the two spicule and the ovipositor

proper; whereas, in all Chalcids the pronotum never extends back to
9

10 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

the tegule and the ovipositor issues far anterior to the tip of the abdo-
men, reposing in a ventral slit or groove, while the sheaths are always
distinctly separated, never conjoined.

Other families in the terebrant Hymenoptera agree with the Proc-
totrypide in having the pronotum extending back to the tegule; but
in these, except in the family Pelecinide, which I now believe, with
Haliday, Cresson, and Cameron, is closely related to this family, the
ovipositor does not issue from the tip of the abdomen; besides, other
good structural characters exist that readily separate them.

From the families of the Aculeata they are separated by having, ex-
cept in a few cases, 2-jointed trochanters and in venational and an-
tennal characters. All aculeate Hymenoptera, except in a few cases,
have the antenne 12-jointed in the female and 13-jointed in the male,
while in the Proctotrypid such is not the case: either both sexes have
the same number of joints or a less or greater number in the opposite
Sex.

With these few preliminary remarks, and before entering into the
systematic description of the divisions, genera, and species, I have
thought it advisable to go more fully into a description of the external
structure, biology, and classification.

EXTERNAL STRUCTURAL CHARACTERS.!
THE HEAD.

The head, in shape, is variable in the different groups; it may be
oblong, transverse,quadrate, or globular, and is rarely cornuted (Galesus),.
The vertex is usually convex or subconvex and in only two genera,
Dryinus and Gonatopus, is it concave. The occiput is more or less
concave or excavated, with the superior margin rounded or sharp, and
frequently margined, the margin often extending along the cheeks
(Seelio, ete.). The ocelli when present are three in number and vari-
ously arranged, their position affording excellent secondary generic
characters; they are absent only in a few apterous forms in the differ-
ent groups. The eyes are usually of moderate size, rounded, ovate,
or oval, and most frequently convex; in the wingless forms they are
occasionally very smail but rarely entirely wanting (Isobrachium ¢ ).
The clypeus is small or inconspicuous, and has afforded but slight
assistance in systematic work, although possibly more use could be
made of it. In the Bethyline it is strongly carinated medially. The
antenne vary in length, shape, and in the number of joints from 7 to
15; also in the position of insertion. They may be elbowed or straight,
seldom exhibit a ring joint, and are of primary importance in elassifi-
sation. Itis usually only in the males that the antenne are longer
than the body, and in this sex they are generally filiform or setaceous,
more rarely clavate or subclavate, rarely branched or ramose, and

‘Details figured on plate 1,

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. I1

dentate or pedicellate and verticillate. In some groups the number of
joints is alike in both sexes, but in others they are more numerous in
the males, while in at least one group, the Belytine, the females have
the greater number. ,

The mandibles are in the majority of the groups bidentate or bifid,
but in the Bethyline and Dryininz they vary from 2- to 6-dentate:
Apenesia has but 2; Epyris and Mesitius 5 or 6; Scleroderma 3 or 4,
etc. Most of the genera in the Dryinine have 5 or 4; the Scelioninze
2 or 3; while in only one group, the Proctotrypine, are they eden-
tate. The maxille, Pl. 1, Fig. 2, terminate in one or two large, thin, mem-
branous lobes, the galea and lacinia, while the mentum is small, horny,
or coriaceous. The maxillary palpi vary in the number of joints from
2 to 6 and are usually conspicuous from beneath. The labial palpi, Pl.
I, Fig. 3, on the contrary, are short and inconspicuous, usually 2- or 3-
jointed, the terminal joint being the longest; while in one group, the
Platygasterinz, they are 1-jointed.

THE THORAX.

The thorax is, as a rule, rarely very much narrower than the head,
variable in breadth and length in the different groups, and is of the
greatest importance in classification. The three principal divisions are
the pro-, meso-, and meta-thorax, and as it is essential that the compo-
nent parts of each of these divisions should be thoroughly understood,
they are here taken up separately, the parts being explained by letters
one lt (Figs h, 2.)

The prothorax (Fig. pt) is large and conspicuous from above, with
but few exceptions, in the Bethylinsee, Emboleminz, Dryininie, Procto-
trypine, and in some of the Scelioninwe, while in the other groups it is
more variable, usually short and inconspicuous, sometimes very small,
and often not, or scarcely, visible from above ( Telenomus, ete.). It sup-
ports the head and front legs, and its principal component parts are:
(Fig. pn) the pronotum, (Fig. p) the pleuron, and (Fig. sp) the praester-
num.

The mesothorax is the largest division of the thorax. It supports
the front wings and the middle legs, and variations and peculiarities
noticeable in its various sclerites have been found to be of excellent
specific and generic value. The principal sclerites are: (Fig. ms) me-
soscutum, which is frequently subdivided into three parts by longitu-
dinal furrows (Fig. pf) called the parapsidal furrows; it is then said to
be trilobed. Fig. m becomes the middle lobe, Fig. p the parapsides
seapule or lateral lobes. Fig. s is the meso-scutellwm, usually desig-
nated as the scutellum, and has usually at the lateral basal angles (Fig.
ax) two subtriangular sclerites termed axille. Fig. mps is the meso-
postscutellum, often visible only as a transverse band, carina, or fold,
and again quite distinct and armed with one or more strong spines or

ie BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

thorns. By some authorities it is considered a sclerite of the meta-
thorax. Fig. ty is the tegula or wing scale of front wing. The meso-
pleuron (Fig. mp) is composed of episternum and epimeron. The meso-
sternum is undivided and is frequently not separated from the pleural
selerites.

The metathorax, or third division of the thorax, supports the hind
wings, hind legs, and the abdomen, and it also is quite variable in
length, shape, and sculpture. The sides (Fig. mfp) are termed the
metapleura, and the sclerite (Fig. sp) extending obliquely forward
from the insertion of the hind legs to the base of the hind wing and
behind the mesopleuron is the metepisternum; the upper surface (Fig.
mn) is the metanotum. Fig. sp represents the position of the spiracles,
while thx shows the insertion of the hind wings.

The other normal sclerites are not differentiated.

THE WINGS.

In shape and neuration, the wings exhibit the greatest diversity, and
are of primary importance in classification. As a rule, the hind wings
are veinless or the neuration is meager (PI. 1, Fig. 5), the highest de-
veloped having but a single basal cell. They are rather broad and
with a distinct lobe in the Bethyline, Emboleminie, and the Dryinine;
broad in the Proctetryine, but without a distinct lobe; while in the
other groups they are much narrowed toward base, and not especially
widened toward apex, the apex being sometimes acute. The front
wings are entirely veinless in only a single tribe, the Platygasterini,
although another tribe, the Inostemmini, in the same subfamily, and a
few genera in another subfamily, the Scelionine, are almost veinless,
having only a submarginal vein terminating in a small knob or stigma.

The neuration of the anterior wings reaches its fullest development
in the Bethyline, Emboleminz, Dryinin, and Helorine, although even
in these groups there are genera with almost veinless wings (Cephalono-
mia, ete.).

The neuration of the first three of these groups mentioned more
closely resembles that of the Chrysididie and Scoliide; the Helorinz
and some genera in other groups that of the Braconide; while some
genera in the Scelioninz closely approach that of the Chalcidide.

The great variation in the shape of the wings and the peculiarities
of venation are fully brought out in the plates; but as the neuration, in
connection with other characters, is of primary importance in a sys-
tematic study of the family, it is important that the horismology of
the wings be fully understood.

In Figs. 4 and 5, on PI. 1, by the use of the front wing of Pristocera
atra Klug. and the hind wing of a belytid, as being the most special-
ized in the group, and, with the explanation given below, the technical
terms may be easily acquired.

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID2.

Horismology of the wings.

FRONT WING.

13

Longitudinal nerves. | Transverse nerves. Cells or areolets.
saree | ee tea
c. Costal. | 6. Basal. | 1. Costal (closed).
se. Subcostal or submarginal. tm. Transverse median. | 2. First basal.
m. Median. Jtc. First transverse cubital. | %. Second basal.
sm. Submedian. | ste. Second transverse cubital. | 4. Anal.
st. Stigma, or marginal nerve | fr. First recurrent. | 5. Marginal or radial.
stigmated. sr. Second recurrent. | 6, First diseoidal.
ps. Postmarginal or poststigmal. | d. Discoidal. 7. Second discoidal.
r. Radius or stigmal. | 8. Third discoidal.
ebt. Cubital. | 9. First submarginal.
sd. Subdiscoidal. | | 10. Second submarginal.
| 11. Third submarginal.
| 12. First apical or postanal.
| 13. Second apical.
| |
HIND WING.
ce. Costal. b. Basal, | 1. Costal cell (open).
se. Subcostal. | 2. Basal,
ebt. Cubital 3. Anal,
st. Marginal or stigma. |

THE LEGS.

The shape of the legs, armature, tibial spurs, number of joints in
tarsi, length, ete., also afford excellent characters in classification. In
all groups, except sometimes in the Dryinine, the hind legs are the
longest. The femora in the Bethyline are usually very much swollen,
their tibize stout, often spiny or fossorial; in the Dryinine and Embo-
leminz they are, for the most part, obclavate; while in other groups
they are usually clavate or but slightly swollen. The tarsi, except in
the single genus Iphetruchelus Haliday, in which they are 4jointed,
are always 5-jointed. In all groups, except in the Dryininz, they are
normal, but in this group the anterior tarsi in the females in most of the
genera, are peculiarly modified, being chelate or furnished with a pair
of pinchers or tongs, that evidently afford assistance in seizing and
holding a living fulgorid, membracid, or jassid (on which in the larval
stage they are parasitic), while in the act of oviposition.

The structure of the leg is explained in Pl. I, Fig. 1: ec ce, coxe,
anterior, middle and posterior; tr, trochanters, one-jointed; fa, femora;
ta, tibive ; tas, tibial spurs; tsi, tarsi; cl, claws; cls, simple, clt, toothed,
clp, pectinate; ps, pulvillus.

THE ABDOMEN.
The abdomen is usually composed of 8 visible tergites and 6 urites,

although sometimes these are reduced in number to as low as 3. As
in other families, it exhibits great variation ip shape and size and in its

14 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

attachment to the metathorax, the terms sessile, subsessile, or petiolate
expressing the form of attachment. It is, however, never attached to
the dorsum of the metanotum, as in the Evaniidee and some Bracon-
idee.

In counting the abdominal segments, the basal one is usually referred
to as the first segment or the petiole; sometimes, however, this seg-
ment is so short as to be invisible from above, or at least not visible
until the abdomen has been detached from the metathorax; it is then
usual to designate the second as the first.

The shape of the abdomen is generally ovate, ovate-conic, or oval,
but often oblong-oval, broadly oval, fusiform, or linear. It is rarely
greatly compressed, although frequently depressed or somewhat tlat-
tened.

In some genera, in the Platygasterine and Scelionine, the females
are furnished with a peculiar horn-like structure at the base of the
abdomen that projects forward over the metathorax, and, indeed, often
as far forward as the head (PI. x1, Fig. 6). It gives to these insects a
singular appearance, but otherwise has no functional significance,
being merely a sexual peculiarity.

The abdomen reaches its greatest length in proportion to the rest of
the body, probably in the genus Macroteleia (Pl. 1x, Fig. 6), and its
most unique shape in Sactogaster (Pl. x11, Fig. 4).

Connected with the abdomen are the important organs of reproduc-
tion, the ovipositor, etc., which will now be described.

THE OVIPOSITOR.

In the differentiation of its parts, the ovipositor, in this family,
agrees with other terebrant Hymenoptera, the only visible difference
being that in the whole group, except in three or four abnormal indi-
viduals, the outer sheaths are conjoined and form a tube or scabbard
at the tip of the abdomen that affords protection for the ovipositor
proper and its two spicule when not in use. Distinct sutures are
visible in this tube, and after death it can be readily separated into
two plates.

This tubular formation of the sheaths reaches its highest develop-
ment in the genus Proctotrypes.

On Pl. I two forms are shown. Fig.6 represents that of Proctotrypes
caudatus Say, our largest species. Here the tube is as long as the
abdomen, slightly compressed and curving downward at tip. It is
readily detached, and in the figure is represented partly detached, in
order to show the internal structure of the ovipositor. The terebra, or
ovipositor proper (tba), is the piece through which the egg passes; it is
composed of three pieces, a broad upper plate and two spiculie (spe)
or lower plates, the latter united to the former by a dovetailed joint
(see Fig. 9, Aand B), These three pieces are dilated and lobed at
base (spl), andare connected by strong muscles to a basal plate (bp)

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 15

with the internal walls of the abdomen, their tips being sharply pointed,
needle-like, and usually microscopically serrated. The spicule are
used for piercing or boring, and move forward and backward on the
upper plate as a saw in the hands of a carpenter.

Figs. 7 and 8 represent the terebra of Epyris grandis, one of the
largest species in our fauna. The different parts are lettered identi-
cally as in P. caudatus. Here the tube (or outer sheaths conjoined)
(shs) is short and conical, and is the form most commonly met with in
the family.

At Fig. 9 two cross-sections of the ovipositor proper are shown—A
from near the base, B from nearer the apex, the breadth and thickness
varying slightly in accordance with the tapering of the ovipositor.
The transverse diameter of the upper plate averages about 0.042";
of the basal plates or spicule, 0.015"", while vertically they average
0.018™™ in diameter.

It will be seen that the structure of this cross-section agrees fairly
well with others that have been made of the terebrant Hymenoptera,
the only real difference being the much larger canals through the
center of the three pieces and the small additional canal in the lower
inner angle of the spiculee.

All the canals have apparently a membranous lining, and unless they
have something to do with the control of the ovipositor their function
is not apparent.

MALE GENITALIA.

It takes so much time to thoroughly study the organs of generation,
on account of their minute size, in most groups of the Hymenoptera
Parasitica, besides the almost absolute certainty of the destruction of
valuable specimens, that most entomologists are content to depend
upon external characters for the recognition of species, and conse-
quently comparatively little is known of the male genitalia in any
family composing this section, although there can be no doubt as to
the specific and classificatory value these organs possess.

In order to give some idea of these organs in the Proctotypide, on
Pl. 1, I have figured the male genitalia of three different species.

Fig. 10 represents the male genitalia of Epyris carbonarius: A, the
parts viewed from above; p, penis or penal sheath, strongly exserted,
in outline narrow, harp-shaped, although strongly flattened like a leaf,
bilobed at apex, the lobes with rounded margins; at the middle (0) is a
longitudinal slit or opening, the orifice for the fleshy penis. On each
side of the penis, attached to a swollen lobe at base, are two horny
sheaths, a pair on each side, that may be termed respectively the upper
and lower sheaths; ws isthe upper sheath. In this species it is slender
and gradually acuminate, or lanceolate; Is is the lower sheath; it is
much larger, broader, and more rounded at apex, although it is here
divided by a longitudinal slit into two more or less distinct points, each

16 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

point being surrounded by stiff hairs; outwardly the surface is convex
and smooth, except at about two-thirds its length, where there is a tuft
of long hairs. At B the same parts are shown as viewed from beneath,
together with other parts not visible from above; us, the upper sheath;
ls, the lower sheath; p, penis; pe, penal claspers, the outer margin of
which are fringed with several long spines or hooks; b/, swollen basal
lobes, to which the upper and lower sheaths are attached. All these
organs, except the tips of the upper and lower sheaths, when not in
use, are withdrawn within the apical abdominal segments and are only
visible when exserted. The swollen basal lobes (b/) and the penal
claspers (pe) seem not to have been noticed before, and I believe are
now pointed out for the first time.

Fig. 11 represents the male genitalia of Proctotrypes caudatus Say,
as seen from the side after the removal of the left ventral spine: vs,
right ventral spine; ws, upper sheath, slender and clavate; ls, lower
sheath, very broad and flat and terminating in four chitinous lobes.

Fig. 12 represents the same organs in the male of Scleroderma eylin-
drica, after Westwood: us, upper sheaths, “the extremities of which
are thin and incurved”; ls, lower sheaths, “broad and each with a
broad, simple stipes (dd), and four terminal lobes (e), two of which are
setose at the tips, and one at least more rigid than the other parts.”

In Fig. 13, Pl. 1, I represent the ovipositor of Scleroderma ephippium,
after Westwood. In his explanation he says:

The parts of the ovipositor itself are vertically compressed, the recurved bases of
the spicule (e), with their muscular angulated lobe or catch (f°), being represented
as flattened. By strong protrusion of the spicules beyond the extremity of terebra,
the curved basal portions of the former are straightened and brought forward to
the base of the terebra, where their dilated angular form prevents them from further
protrusion. The parts marked e, e. are the membranous plates connecting the base
of the spicule and of the terebra itself with the interior of the abdomen.

HABITS OF THE PERFECT INSECTS.

The imagos are most frequently found wherever their hosts are most
plentiful and their lives are of short duration, seldom extending beyond
afew days. Those I have kept in confinement live but four or five
days, although in freedom they probably live longer.

The favorite resorts for diapriids, bethylids, and proctotrypids are
low, moist places, where there is a luxuriant growth of vegetation and
a black or mucky soil, the decaying vegetation affording excellent food
for their hosts—dipterous and other larve. The opening buds and
newly formed leaves of plants and trees, and especially along the out-
skirts of a dense forest or wood, are particularly attractive to platygas-
terids and telenomids, while the bethylids, dryinids, and scelionids, as
a rule, frequent the more epen fields. In Florida, dry sandy knolls,
where the scrub oak grows, are the favorite resort of the bethylids.
Species in the genera Hpyris and Mesitius, [have taken most frequently

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID&. 17

on trees badly infested with lepidopterous leaf-rollers and miners.
Other genera frequent fungi, while irom recent observations ant nests
and their vicinity are good fields for some rare species in other genera.
As a rule, flowers are less frequently visited by the tiny species of
this family than in the other hymenopterous families, except those
flowers that afford protection or food for their hosts. Various platy-
gasterids are the only members of the family that I can recall having
captured on flowers, and in such cases the flowers were invariably in-
fested with cecidomyiid larvie, on which they were parasitic.
~ When captured, as with other Hymenoptera, some proctotrypids give
off a waspy or pungent odor. Prof. Westwood has recorded the
fact, taken from Mr. Saunders’s MS. notes, that the female Scleroderma
linearis, taken in a house September 25, 1849, stinging his neck, when
captured “threw out a pungent foetid odor.”

DIMORPHISM AND PARTHENOGENESIS.

There is scarcely any doubt but that many of the wingless forms
to be found in various genera of this family are only dimorphic forms
of winged species, although comparatively little is positively known
on the subject. Until such forms are bred from generation to genera-
tion, however, as has been done in the Cynipide by Dr. H. Adler, we
must be content to describe these. forms as distinct species, for any
other course would be unscientific or guesswork. In this monograph
IT have not hesitated, therefore, to give these apterous individuals a
separate specific name. Doubtless also, as in the Blastophagie, or fig-
insects, trimorphism occurs.

Prof. Westwood,' in speaking of the genus Scleroderma says:

Some of the species of this genus exhibit a remarkable instance of dimorphism
and even trimorphism in the females, some of which are furnished with certain of
the characteristics of the opposite sex. Sir 8. 8. Saunders, in addition to the ordi-
nary female of S. ephippiwm destitute of wings and ocelli, found one agreeing in the
general form of the body with the females, but possessing the fully developed wings
and ocelli of the male. Remembering the diversity in the size of the heads of dif-
ferent individuals among some of the species of ants, I was curious to ascertain how
far this character was to be found in these different individuals. Their heads were,
therefore, drawn of a large size by the camera lucida, which was then carefully re-
duced by measurement, when it appeared that the heads of the normal females were
slightly longer than wide, whereas the head of the winged and ocellated females
was considerably broader than long, although its length agreed very nearly with
that of the normal female. Their relative proportions may be expressed by the fol-
lowing figures:

|
| Long. Wide.

Heéadofnormalsfemale without wings'or ocelli-...2<..- 2.4.2 cc- cee sa ceee sees teececeoceee
Hendotefemale wa chawanes! an di Gcellin sass sess cle ae date minions ciieiensi= sie seis ae | 78

' Trans. Ent. Soc. Lond., 1881, p. 120.
21989—No,. 45——2

18 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

These measurements may be contrasted with those of the normal male of S. cylin-
drica from Prevesa, drawn to the same scale:

aes Wide.

That of the winged and ocellated male being ............-------..--2----e-secencececenes- 61 60
That of the wingless and unocellated female being ---.--..-.....-2---.2.c00- eee ne- eee ene 97 78

« The anomaly is carried still further in the Ceylonese 8S. vigilans, of which I have
only seen two female specimens, one of which had fully developed wings and ocelli,
whilst the other was wingless, but possessed ocelli. But the anomalous characters
of the genus are not confined to the females, since Sir S. 8S. Saunders captured a
wingless male provided with slender antennze and with three large ocelli, but en-
tirely destitute of wings.

Mr. Haliday’s observation on his Labolips innupta is the only case
bearing directly upon parthenogensis in the Proctotrypidie, known to
me. He found the ovaries form each an oblate spheroid, entirely cov-
ered with regular small protuberances, as if they were composed of an
agglomeration of globular cells; the separate oviducts, in the short
axis of the ovary, of considerable volume, and nearly as long as the
transverse diameter of the ovary, united into a short excretory canal;
no seminal receptacle was discovered, while in both specimens exam-
ined there was apparently a malformation of the malpighian vessels, so
that he could not determine their number with absolute certainty.

Mr. Haliday considered the form of the ovaries without a parallel
among the rest of the Hymenoptera, and the absence of a seminal re-
ceptacle, if his observation could be depended upon as exact, most sin-
gular, as this appendage is found in form even in the agamous Cynipide.

TRANSFORMATIONS OR LIFE HISTORY.
THE EGGS.

The eggs of the Proctotrypids known to me are ovate or oblong in
shape, with a more or less distinct peduncle at one end, and agree well
in general with many in the family Ichneumonide, although those in
the subfamily Platygasterine, on account of the longer peduncle, more
closely resemble those in the family Cynipide.

EMBRYOLOGICAL DEVELOPMENT.

Ganin,! 1869, was the first biologist to study the embryological de-
velopment of certain proctotrypids—Platygaster, Teleas, ete., while an
American biologist, Prof. Ayers,? has given the embryological de-
velopment of a Scelionid, in his paper entitled ‘On the Development

‘Ueber der Embryonalhiille der Hymenopt. und Lepidopt. Embryonen, St. Pe-
tersburg, 1869.

2Mem. Boston Soe. Nat. Hist., vol. 11, 1884. This insect is not a true Teleas and
is either one of two insects described in this memoir, viz., Cacus wcanthi or Bary-
conus ecanthi,

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 19

of Gicanthus niveus and its Parasite Teleas.” Both authors may be con-
sulted to the advantage of the student.

Tn lieu of original work of this kind I have deemed it advisable to
reproduce here a summary of Ganin’s work, by Balfour, together with
his figures, in order to illustrate the remarkable changes the embryo-
larva must undergo before assuming the normal larval stage,

Balfour says:

The very first stages are unfortunately but imperfectly known, and the interpre-
tations offered by Ganin do not in all cases appear quite satisfactory. In the
earliest stage after being laid the egg is inclosed in ® capsule produced into a
stalk (Fig. 1, A). In the interior of the egg there soon appears a single spherical
body, regarded by Ganin as a cell (Fig. 1,B). Inthe next stage three similar bodies
appear in the vitellus, no doubt derived from the first one (Fig.1,C). The central one
presents somewhat different characters to the two others, and, according to Ganin,
gives rise to the whole embryo. The two peripheral bodies increase by division, and
soon appear as nuclei imbedded in a layer of protoplasm (Fig. 1, D, E, F). The
layer so formed serves as a covering for the embryo, regarded by Ganin as equivalent

Fig. 1.—Embryonic development of platygaster: A, egg; B, primitive cell; C, additional cells de-
veloped from the first; D and KE, further cellular development; F, final embryonic stage. (After
Ganin.)

to the amnion (? serous membrane) of other insect embryos. In the embryo cell new
cells are stated to be formed by a process of endogenous cell formation (Fig. if; 1D),
E). Itappears probable that Ganin has mistaken nuclei for cells in the earlier stages,
and that a blastoderm is formed as in other insects, and that this becomes divided
in a way not explained into a superficial layer which gives rise to the serous en-
velope and a deeper layer which forms the embryo. However this may be, a differ-
entiation into an epiblastic layer of columnar cells and a hypoblastic layer of more
rounded cells soon becomes apparent in the body of the embryo. Subsequently to
this the embryo grows rapidly, till by a deep transverse constriction on the ventral
surface it becomes divided into an anterior cephalothoracie portion and a posterior
caudal portion (Fig. F). The cephalothorax grows in breadth, and near its an-
terior end an invagination appears, which gives rise to the mouth and cesophagus.
On the ventral side of the cephalothorax there is first formed a pair of claw-like
appendages on each side of the mouth, then a posterior pair of appendages near the
junction of the cephalothorax and abdomen, and lastly a pair of short conical an-
tenn in front.

At the same time the hind end of the abdomen becomes bifid, and gives rise to a
fork-like caudal appendage; and ata slightly later period four grooves make their

20 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

appearance in the caudal region, and divide this part of the embryo into successive
segments. While these changes have been taking place in the general form of the
‘embryo, the epiblast has given rise to a cuticle, and the hypoblastic cells have be-
come differentiated into a central hypoblastic axis—the mesenteron—and a surround-
ing layer of mesoblast, some of the cells of which form longitudinal muscles.

With this stage closes what may be regarded as the embryonic development of
platygaster. The embryo becomes free from the amnion, and presents itself asa
larva, which from its very remarkable characters has been spoken of as the Cyclops
larva by Ganin.

The larve of three species have been described by Ganin, which are represented
in Fig. 2, A, B, C. These larve are strangely dissimilar to the ordinary hexapod

Fig. 2.—Embryonic larval development of platygaster: A, B, C, Cyclops larve of three species of
platygaster; D, second larval stage; I, third larval stage; mo, mouth; a, antenna; kf, hooked
feet; efg, lateral feet; f, branches of tail; nl, lower lip; slkf, cesophagus; ¢sae, supra-cesophageal
ganglion; bsm, ventral epiblastic plate; lm, lateral muscles (the letters also point in D to the sali-
vary glands) ; gh, proctodwum; ga, generative organs; md, mandibles; ag, ducts of salivary glands;
sp, (in FE) salivary glands; mls, stomach; ed, intestine; ew, rectum; ao, anus; tr, trachex; fk, fat
body. (After Ganin.)

type, whether larval er adult. They are formed of a cephalothoracie shield with
the three pairs of appendages (a, kf, Ufg), the development of which has already
been described, and of an abdomen formed of five segments, the last of which bears
the somewhat varying caudal appendages. The nervous system is as yet undevel-
oped. The larvwe move about in the tissues of their hosts by means of their claws.

The first larval condition is succeeded by a second with very different characters,
and the passage from the first to the second is accompanied by an ecdysis.

The ecdysis commences at the caudal extremity, and the whole of the last segment is
completely thrown off. As the ecdysis extends forwards the tail loses its segmentation
and becomes strongly compressed, the appendages of the cephalothorax are thrown
off and the whole embryo assumes an oval form without any sharp distinction into dif-
ferent regions and without the slightest indication of segmentation (Fig. 2, D). Of
the internal changes which take place during the shedding of the cuticle, the first

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID&. 21

is the formation of a proctodieum (gh) by an invagination, which ends blindly in con-
tact with the mesenteron. Shortly after this a thickening of the epiblast (bsm) appears
along the ventral surface, which gives rise mainly to the ventral nerve cord; this thick-
ening is continuous behind with the epiblast, which is invaginated to form the proc-
todzeum, and in front is prolonged on each side into two procephalic lobes, in which
there are also thickenings of the epiblast (gsae), which become converted into supra-
esophageal ganglia, and possibly other parts.

Toward the close of the second larval period tie muscles (Im) become segmentally
arranged, and give indications of the segmentation which becomes apparent in the
third larval period. The third and last larval stage (Fig. 2, E) of Platygaster, dur-
ing which it still remains in the tissues of its host, presents no very peculiar fea-
tures. The passage from the second to the third form is accompanied by an ecdysis.

TEE LARV4; THEIR HABITS AND PUPATION.

The larve are all, apparently, internal feeders, apodous and with
minute mandibles. Those living in eggs transform into pupze within
the empty egg-shell of their hosts; sometimes a half dozen or more
being found within a single egg-shell, although of the larger scelionids
—WNScelio, Macroteleia, etc.—only a single specimen is found in each egg.
Those species that affect the larvie or pupae of other insects either
gnaw their way out and spin small silken cocoons (Cephalonomia and
other bethylids), or else weave silky or parchment-like cocoons, often
arranged in parallel rows, side by side, within the empty skin of their
host (Platygaster and others).

Lygocerus and allied genera, living in the Aphidide, gnaw a hole
through the ventral surface of the aphis, and after securely fastening
the aphid by a silk-like secretion to the leaf or twig upon which it
has been feeding, pupate within the body of their host, which, in lieu
of a cocoon, affords ample protection for the larve to undergo their
transformations. I know of no proctotrypid that transforms loosely
into a pupa without a covering or protection of some kind, as is fre-
quently, if not invariably, the case amongst the Chalcidide.

DISTRIBUTION.

The Proctotrypide are apparently widely distributed over the whole
world, although outside of Europe little is as yet known of the exotic
forms, and it is not possible, therefore, to generalize upon the genera
and their distribution. From an examination of various exotic col-
jections of Hymenoptera, it is safe to predict the species will be found
to be numerous and widely distributed, but far less numerous than
the Chalcidide; judging from my own collecting I should say less
than one-fiftieth in number. Only a very small percentage of the
species is yet described.

Our species, except in a few cases, fit very well into the established
European genera; but from South America it was found necessary to
erect many new genera, and doubtless this will be found to be neces-
sary with collections brought from other regions. Very few species

22 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

have been described from Asia, Africa, and Australia; only a few
isolated descriptions of species, scattered here and there through the
literature, could be found; and undoubtedly many remarkable and
interesting forms will be discovered in the rich insect faunas of those
countries.

CLASSIFICATION.

The name of the family, Proctotrypide, is derived from the genus
Proctotrupes or Proctotrypes, established by Latreille in his Précis des
Caracteres Génériques des Insectes, published in 1796, and there placed
with the Ichneumonide. It is derived from two Greek words zpwzzds,
the anus, + zpuzdw, bore, pierce through, in allusion to the structure
of the ovipositor, and I here follow late authorities in spelling the word
Proctotrypes, although as a rule I strongly oppose changing a well-
established zoélogical name.

From 1796 down to 1839 additional genera, belonging to this family,
were established by Latreille, Dalman, Klug, Jurine, Spinola, Nees,
Westwood, Walker, Haliday, and others, and various groups or fam-
ilies were proposed for their reception, according to the views of the
different authors, the affinities of the genera not being fully under-
stood. Some of the genera were classed with the Cynipide, Scoliide,
Mutillide, Chalcidide, or Braconidi, or were considered to be entitled
to family rank, and the greatest confusion existed as to their affinities
and proper position.

An excellent historical sketch of the development of the family has
been given by Dr. Arnold Forster, in his Hymenopterologische Studien,
Heft 1, and it will suffice here to call attention only to the two authors
who wrote just previous to his work. To them we are mainly indebted
for a proper conception of the family, as now understood, as well as for
bringing order out of the chaos that existed up to their time. I also
call attention to a few authors who wrote subsequent to the appear-
ance of Forster’s work.

In 1839 Haliday, in his “ Hymenopterorum Synopsis,” properly de-
fined some of the groups as now understood, although he considered
them to be of family rank, placing some among the Terebrantia and
some among the Aculeata.

In order to illustrate his method, I give below such portions of his
scheme of arrangement as refer to them:

Suborder 2.—Petioliventres.

Stirps 3.—Terebellifera.

ee. Trochanters exarticulati. Terebra abdominis apice exerenda per foramen apicale
vel rimam transversam, aut exserta. Antenne articulis ad sum-
mum 15. Al disco ferme exareolate, radio et cubito distantibus
aut obsoletis.

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID&. Zo

Tribe 2.—OXYURA.
f. Tibiew antiee caleari unico.
g. Mandibule edentule.
Fam. 10.—Proctotrupide.
gg. Mandibulw dentate.
h. Abdomen fem. longissimum, filiforme, articulatum.
Fam. 9.—Pelecinida,
hh. Abdomen petiolatum, immarginatum.
Fam. 11.—Diapriade.
hhh. Abdomen marginatum, subsessile aut subpetiolatum.
Fam. 12.—Scelionide.
ff. Tibi antic bicalearate.

Fam. 138.—Ceraphronide.

is fe 2 * « * x
Tribe 4.—Halticoptera.
x ‘ 5 x * * x
ff. Os epalpatum. Ale angustissime, nervo brevissimo.
Fam 17.—Mymarida.
* # ¥ : * *
Stirps 4.—dAculeata.
ce. Antenne utriusque sexus articulis eodem numero, Pedes subleves. Ale posti-
ce incisie.
Tribe 6.—Cenoptera.
d. Antenne 10-articulatee. Caput deflexum.
Fam 19.—Dryinide.
dd, Antenns 12-13-articulate. Caput porrectum. Rapacia. Larvee entomo-
phage.
Fam 20.—Bethyllide.
Chrysidis inde connexi, hine Scoliadis.

It will be seen from the above ‘“‘scheme of arrangement” that Hal-
iday widely separates some closely allied groups, interpolating other
families between them; and, moreover, with our larger and better ac-
quaintance with these groups, the arrangement is unnatural and the
characters he has employed, in defining them, will not now always
hold good.

About the same time, 1840, Prof. Westwood, in his memorable work,
“Introduction to the Modern Classification of Inseets,” brought all of
these families together and properly united them as one, under the
name Proctotrupide. He then separates the family into six subfam-
ilies, as follows:

(1) Mymaripes. Head transverse areolate; antenne inserted above the middle of
the face, Zlong, slender, and elbowed, 9 clavate; mouth destitute of palpi;
wings narrowed, densely ciliated, with a very short subcostal nerve.

(2) PLATYGASTERIDES. Abdomen sessile, depressed, first segment not campanulate ;
antenne elbowed, 10-12-jointed, inserted near the mouth.

(3) CERAPHRONTIDES. Abdomen subsessile, campanulate, terminal and yentral seg-
ments carinated; antennwe elbowed, inserted near the mouth; wings nearly
exareolate.

24 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

(4) GONATOPIDES. Abdomen convex, not campanulate, last ventral segment cari-
nated; antennie porrected, 10-jointed; hind wings lobea; mandibles toothed.

(5) ProcrotTruripes. Abdomen subsessile, campanulate; antenne porrected, 12-
jointed, inserted beneath the front; maxillary lobe tripartite.

(6) DrapripeEs. Abdomen petiolate, campanulated; antenn inserted on the front,
12- or 15-jointed; maxillary palpi long, 5-jointed.

His group (2) included the Scelionine with the Platygasterine ;
group (4) the Bethyline, Emboleminze and Dryinine; while group
(6) ineluded the Belytine and the Diapriine. All the groups are
undoubtedly closely related, and Westwood’s scheme was the most
natural one formulated up to the time of Forster.

It was just sixteen years after the publication of Westwood’s work
that Dr. Forster’s studies in the ‘‘Chalcidize und Proctotrupii,” so
often quoted in these pages, appeared. After an excellent historical
review of the two groups, already referred to, he makes use of the fol-
lowing characters to distinguish them:

CHALCIDI®. ¢. Fiihler immer gebrochen, mit ein oder mehreren kleinen Ringel®

(Zwischengliedern) zwischen Stielchen und Geissel.

Q. Der Legebohrer unterhalb (d. h, vor) der Spitze des Hinterleibs entspringend.
Procrorrury. ¢. Fiihler gebrochen oder ungebrochen, zwischen dem Stielchen
und der Geissel keine Ringel (Zwischenglieder), selten ungebrochen mit einem
kleinen Ringel.
9. Der Legebohrer aus der Spitze des Hinterleibs entspringend.

After tabulating and defining the families of the Chalcidiz, he sepa-
rates the Proctotrupii, on page 20, into 9 families, according to the fol-
lowing scheme:

a. Hinterfliigel mit einem lappenformigen Anhang, oder, wo die Fliigel beim 9

fehlen, mit Raubfissen versehen-.....-.-2-2-2..---- Dryinoide.
aa. Hinterfliigel ohne den lappenformigen Anhang.
b. Die vordersten Schienen mit zwei Dornen -....-....-..---.. Ceraphronoide.
bb. Die vordersten Schienen mit einen Dorn.
c. Mandibeln ungezahnt.2.22: -s22- «eo-e eae eeee eeee oe eee Proctotrupoide.

ce. Mandibeln geziihnt.
d. Der Hinterleib seitlich gerandet; Fiihler itiber dem Mundrande einge-
fiigt.

e. Fliigel mit einem Ramus marginalis und bisweilen auch einem
Ramus stigmaticus; die ungetliigelten Gattungen ohne Neben-
ASOT Se Sere ee = eee eee eee ------Scelionoide.
ee. Fliigel ohne Ramus marginalis und stigmaticus; alle Gattungen
mit /Nebenatigen ce. =ca62- 55.62 -ee-- ee oe eee Platygasteroide.
dd. Hinterleib seitlich nicht gerandet; die Fiihler weit iiber dem Mun-

drande eingefiigt.

Jf. Hinterfliigel ohne Spur einer Mittelader.
g. Die Hinterfliigel sehr schmal, fast linienformig.. Mymaroide.
gg. Die Hinterfliigel breiter, nicht linienformig..-.-. Diaprioide.
ff. Die Hinterfliige] mit einer Mittelader.

h. Vorderfliigel entweder ohne oder mit einer regelmiissigen
Grundader; Geissel ohne Ringel (annellus) -... Belytoide.
hh. Vorderfliigel mit einer unregelmiissigen, die Unterrandader
nicht erreichenden, gekriimmten Grundader, welche eine
unregelmiissige Zelle inder vorderen Schulterzelle bildet;
Geissel mit einem Ringel ................... Heloroide.

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID€. 25

Subsequently, farther on in the body of the work, Forster again
subdivides his family Dryinoidie into three families: Dryinoidie, Embo-
lemoide, and Bethyloidze. He then follows with his generic tables, in
which, including the Mymaroide, no less than one hundred and twenty-
one genera are defined, about seventy being new.

Dr. Foérster’s work is by far the most philosophical, satisfactory, and
important contribution published on this intricate family, and has
formed the basis of my own work. Since his day, not taking into con-
sideration mere descriptive work, no systematic work has been at-
tempted except a short paper by A. H. Haliday, published in the Dublin
Natural History Review, 1857; aseries of articles by the Swedisk ento-
mologist C. G. Thomson, published in Ofversig af Kongliga Svenska
Vetenskaps-Akademiens Férhandlingar, from 1857 to 1859, and an
excellent contribution by Prof. J.O. Westwood on the subfamily Bethyl-
lides, in his Thesaurus Entomologicus Oxoniensis, 1874.

Haliday, in his paper, proposed some new genera in the Diapriide
(probably before seeing Férster’s work) that unfortunately prove to be
synonyms of some of those characterized by Forster.

Thomson’s contribution is much more elaborate; besides describing
some new genera he separated the family into eleven tribes (defined,
but without a synoptic table), arranged as follows:

Tribus — 1. Proctotrupini.
II. Belytini.
II. Ceraphronini.
IV. Diapriini.
V. Ismarini.
VI. Helorini.
VII. Scelionini.
VIII. Platy gasterini.
IX. Telenomini.
X. Dryinini.
XI. Epyrini.

It is also quite evident that Thomson, in the beginning of his studies
in the family, was unacquainted with Foérster’s work; and, considering
this fact, his tribes agree quite closely with the families proposed by
Forster. His tribus x1, Epyrini, equals the Bethyloide of Forster. In
separating the Ismarini from the Belytoidie and the Telenomini from
the Scelionoide and elevating them to an equal rank with his other
tribes it appears to me Thomson gave too much importance to trivial
characters.

The arrangement of his tribes also does not show the relationship
they bear to each other. I consider the Ceraphronini much more
closely allied to the Epyrini and Dryinini, while he has them widely
separated. The Belytini and the Diapriini are unquestionably closely
allied, and he has interpolated the Ceraphronini between them; while
the Helorini he places next to the Scelionini, with which they have few

26 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

characters in common, their nearest allies being the Proctotrypini and
the Belytini.

Prof. Westwood’s contribution, mentioned above, is a most valuable
one, in which some new genera aud many new species are described
and illustrated. It is of especial value for clearing up many obscure
points in the old, imperfectly described genera, for the very full diag-
noses of all the genera in the Bethyline known to him, and for the ad-
mirable illustrations of the mouth parts and other salient characters.

Other European contributors to a knowledge of the family are
Walker, Mayr, Ruthe, Cameron, Marshall, Mik, Giard, ete.

In America no systematic study of the family has been before at-
~ tempted.

The American writers on the family, besides myself, are Say, Halde-
man, Cresson, Patton, Packard, Provancher, Howard, Riley, and
Forbes, and, excepting an admirable translation of Férster’s tables by
Mr. L. O. Howard, the work thus far done has been purely descriptive,
confined to isolated descriptions of genera or species. These will be _
found recorded in their proper place in this work and require no special
mention here.

Forster separated the Proctotrupii into eleven families. In the pres- ©
ent work, ten of these are recognized as subfamilies. His family
Mymaroide (=Mymaride Qaliday) I have not included, as I believe
with Haliday, who first proposed the name, that it is a group entirely
distinct from this family, more closely allied to the Chaleididie than to
the Proctotrypide and entitled to rank with other families of the
Hymenoptera Terebrantia.

In the arrangement of the ten subfamilies or natural groups recog-
nized in this family I have attempted to show their true relationship,
and, although full diagnoses of them are given in their proper place in
the body of the work, I believe the following table will be found all
that is necessary to facilitate their recognition:

TABLE OF SUBFAMILIES.

Wingless forms sino d. su ese ee SER ee ee ee ee eee ee 6
Winged.
EOSterior, Wangs. NOt LODE... eee ec coe a ee ce he see ees re ee 2

Posterior wings lobed; anterior wings with 1 or 2 basal cells.
Head oblong; antenne inserted at the clypeus, 12- or 13-jointed in both sexes.
Subfam. I, BeriryLin 2.
Heae. not oblong. .
Head globose; front wings with a lanceolate stigma; anterior feet never
chelate; antenn:e in 9 13-jointed, in ¢ 10-jointed.
Subfam. II, EMBOLEMIN «A.
Head transverse; front wings usually with a large or semicircular stigma;
anterior feet often chelate; antenn:e 10-jointed in both sexes.
Subfam. IIT, DRyININ 2.
2. Antenne inserted on the middle of the face, often on a frontal prominence.-... 4
Antenne inserted at the clypeus.
Abdomen acute or margined at the sides, sessile or subpetiolate............ 3

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDE. 27

Abdomen not margined at sides, sessile or subsessile. Anterior tibial spur
strongly forked; antennw in 9 usualiy 10-11-jointed, in ¢ 11-jointed;
front wings never with a post-marginal vein, the stigmal vein long,
the marginal often stigmated.....- Subfam. IV, CERAPHRONINE.

3. Front wings most frequently with marginal and stigmal veins; antenne
in both sexes usually 12-jointed, in Q sometimes 11-jointed, or
7-jointed when the claval joints coalesce...Subfam. V, SCELIONIN2.
Front wings always without marginaland stigmal veins and most frequently
entirely veinless, at the most with only a clavate submarginal
vein; antennze never more than 10-jointed, usually alike in both
sexes, rarely only 8- or 9-jointed....Subfam. VI, PLATYGASTERIN &.
4. Front wings with the marginal vein linear, not stigmated
Front wings with the marginal vein stigmated, the costal cell closed.

Mandibles dentate; antennze 15-jointed; claws pectinate,

Subfam. VI , HELORIN.

Mandibles edentate; antennie 13-jointed, witha ring joint; claws simple,

Subfam. VIII, PRocTOTRYPINE.
5. Front wings with a distinct basal cell and usually with a distinet mar-
ginal cell (the latter rarely entirely wanting); hind wings
always with a basal cell; antenne 14 to 15 jointed; labial
Palipie se] OMIM ae Seas 2 ete en cle ee Subfam. IX, BELYTIN#.
Front wings with the brachial cell seldom distinct, the median nervure
being usually obsolete, the marginal cell never complete,
usually entirely wanting; hind wings always without a cell;
antenne 12-, 13-, or 14-jointed; labial palpi 2-jointed,
Subfam. X, DIAPRUNZ.

WINGLESS FORMS.

Ga Nodomen acutely marcined atrsidess 4-225 +2 sam ace cess oa -e-2 = osc 7
Abdomen not margined at sides.
Fore femora much swollen.
Head oblong; antennie 12-to 13-jointed in both sexes, inserted near the

TD OLN ee eats mes sear sates vay ne Hsia Seabee Ss Subfam. BETHYLINE.
Head transverse or globose.
Anterior feet normal; antenne in 9 13-jointed...... Subfam. EMBOLEMIN&.
Anterior feet chelate; antenne in 2 10-jointed....---- Subfam. DRYININ#E.
Fore femora not much swollen.
Mamdilblesiedentabes saa sn at oe iene ose aie Se ee se Subfam. PROCTOTRYPIN A.

Mandibles dentate.
Antenne inserted near the mouth.

Anterior tibial spur 2-pronged....-..--.-.-.2-22- Subfam. CERAPHRONINZ.
Antenne inserted on a frontal prominence.
abialipalpigs=joimbed: cass ese ays to ee ek Subfam. BELYTINZ.
ieulotenleno alps 2 OUNbe Mae aya eet ce ne ee ease Sone Subfam. DIAPRUN2.
7. Antennz 10-jointed; labial palpi l-jointed.....-.....- Subfam. PLATYGASTERIN.
Antenne 12-jointed or with a solid club 7-jointed; labial palpi 2- or more,
OINeO See aee soe e ee eee es ease eee see SUDA | SCHLIONIN A.

Subfamily I. BETHYLIN 4.

Head oblong, horizontal, the occipital line complete. Ocelli often
absent; when present 3, triangularly arranged. Mandibles usually
large and broad, from 2- to 6-dentate. Maxillary palpi 4- to 6-jointed;
labial palpi 2- to 3-jointed. Antenne not elbowed, filiform or setaceous,

28 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

2- to 13-jointed, inserted in a clypeal fovea, the clypeus being more or
less distinctly carinated. Pronotum large, well developed, narrowed
before; mesonotum short, transverse, the scapulz rarely entirely sep-
arated; scutellum subtriangular, rarely entirely wanting, the axille
not separated; metathorax large, quadrate. Front wings most fre-
quently with a small, stigmated marginal vein (sometimes with a pa-
rastigma), a radial and two basal cells, the radial cell rarely distinctly
closed; occasionally the marginal and radial nervures are wanting or
abbreviated; sometimes there is but a single basal cell, rarely en-
tirely wanting. Hind wings distinctly lobed, veinless, except along the
costa at base. The apterous forms are usually without ocelli and with
minute eyes. Abdomen subpetiolate, ovate, or conic-ovate, depressed,
composed of 8 segments. Legs rather short, the femora and tibize
stout, most frequently swollen, tibial spurs 1, 2, 2, well developed, the
tarsi 5-jointed, the claws often with a tooth within.

The Bethylina, so far as we at present know, are parasitic on cole-
opterous and lepidopterous larvee, and before pupating most of them
spin cocoons. The majority of the genera comprise species winged in
both sexes; but in a few genera, viz, Pristocera, Isobrachium, Sclero-
derma, Dissomphalus, Apenesia, and Cephalonomia, the male alone is
winged, the female, except in Cephalonomia being always apterous.
Usually the disparity between the sexes in size and appearance is
such, that, when captured at large, they cannot be satisfactorily corre-
lated. In Cephalonomia a dimorphic form occurs; for, whereas the
female is usually wingless and without ocelli, at times a winged form
with ocelli is produced.

The European type of the genus Cephalonomia formiciformis Westw.
has been bred in England and Germany from mushrooms infested with
coleopterous larvee. In this country species are reared from cyni-
pidous galls, infested with coleopterous, lepidopterous, and other
inquilines, and it is believed the genus is parasitic on coleopterous
larve. Species belonging to the genera Isobrachium, Apenesia, and
Pristocera have been taken in ant nests, and it is presumable they are
parasitic on myrmecophilous Coleoptera. Anowxus is parasitic on the
coleopterous genus Cis living in fungi, and I have reared Ateleopterus
tarsalis from raisins affected with Silvanus surinamensis.

The new genus Lelius is parasitic on the coleopterous family Der-
mestidz, while species in the genera Bethylus, Perisemus, and Goniozus
prey upon microlepidopterous larvee.

Mr. A. H. Haliday, in Ent. Mag. vol. 11, p. 219, has recorded the fol-
lowing observation in regard to an unknown Bethylus:

The insects of this genus seem fond of the flowers of Syngenesia, but their prin-
cipal haunts are in dry sandy districts near the sea. The low tufts of Rosa spino-
sissima, flourishing among the sand cliffs, support numerous larve of Tineidz, which

when full fed often fall into the little pits of loose sand formed at the foot of the
cliffs by the gradual scaling of the bank arfd the eddies of wind. These pits are com-

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 29

plete traps for various insects, to which Myrmica rubra and other predaceous species
resort, and among these our Bethyli will be seen prowling. On the 5th of last June I
observed a female of the largest size occupied with one of those larvee which was full
fed, and I should think about six times its own weight. It had seized this by the.
mouth, and was with great perseverance endeavoring to transport it up the sides of
the pit. Perceiving that, though apparently not discouraged after ten minutes’ inef-
fectual] exertion, it had no chance of succeeding, and wishing to trace its proceedings, I
placed a fragment of straw in the hollow withinits reach. The moment it had touched
this railway the state of affairs was changed; taking a firm hold with its hind feet, it
swung its prey round and set off with it at asmart pace, walking backwards and
dragging the body after it. From this time it was constantly endeavoring to ascend
the face of the sand cliff, availing itself with admirable adroitness of morsels of
grass, twigs, etc., embedded in it, not seeming to care how obliquely they lay, if
they enabled it to gain a little elevation; so that its track was a zigzag. Fre-
quently it chose stems, which, rising nearly erect, receded from the bank above. I
first thought it was losing its labor, but it was at no losshow to act. After ascend-
ing a few inches with the whole weight suspended in the air from its mandibles, it
would poise itself and its burden across the stem with its head towards the bank,
then throw itself off, at the same time extending its wings, which, though ineapa-
ble of raising it from the ground, were able to give it some impulse toward the
bank, on which it thus alighted at a spot someway above the springing of the stem.
If, on ascending one of these twigs, it discovered that it was bent the wrong way
or receded too far from the cliff, it lost no time in hesitation, but, stopping short, of a
sudden commenced the descent again. It may be guessed that, dragging a gross
slimy body over twigs, etc., close to or half buried in the sand, frequent impedi-
ments would occur, which its extreme activity in walking indifferently sideways
or backwards, and main exertion of muscular force, generally enabled it to over-
come; but sometimes it had drawn its burden under or between two twigs, which
arrested its course, After a violent tug or two without effect, it would retrace its
steps, dragging the larva in the opposite direction till it was extricated, disposing
itso as to keep clear of obstacles, and start again. Onevery occesion when it had left
its hold it made for the same part, and spent some time in fastening its mandibles
on the mouth of its prey beneath, so that the larva should be dragged on its back;
once where this was not the case it was impeded by the latter grappling with its
feet the twigs over which it was drawn, and its captor quickly finding the error,
let go and took a new hold in the usual position.

When it ascended about two feet, it came upon a fragment of reed partly em-
bedded in the sand, the stem of which was broken off and open below, a few dry
elastic shreds of the leaf only remaining. Having reached the part where these
grew, it by a strong pull drew its burden about half through, till its body was
grasped between two of these as in a vice; then letting go, it began to explore the
bank on each side to some distance, tapping with its antenne the conspicuous
objects. In a few minutes, seeming to be satisfied, it hastily descended the reed,
and entered its stem at the lower end; it did not remain long in the interior, and
on its reappearance sect off for the spot where it had left the larva, which, after
pulling it out of the holdfast, it seized by the mouth as usual and began to descend
the reed again; it did not complete the journey this time, but taking advantage of
the same kind of security to detain its prey, it repeated the reconnaissance, then
returning, dragged it to the opening, and leaving it there plunged in itself, but
immediately reappearing drew in the larva head foremost, speedily disappearing in
the interior; so that I could not observe its subsequent proceedings, and being
obliged to turn homewards, I left them undisturbed. I think, however, it will
seem probable that the bore of the reed was employed instead of an artificial funnel
for the cells which should contain the progeny of the Bethylus, with its store of
provision,

30 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

This interesting observation of Haliday’s on the habits of a species
in this group is quoted at length as being quite unique and contrary
to the observations made on the habits of these insects by all subse-
quent writers. It probably influenced Haliday into placing the Beth-
ylide among the Aculeata; but we can see from this observation that
they are not true Aculeata, for the insect observed by Haliday would
unquestionably have stung the larva into insensibility [as all Aculeata
do], before attempting to carry it to its cell.

The genera and species are numerous and are widely distributed,
being found in all parts of the world.

It is believed that the following synoptic table, prepared with
great care, will enable the genera of this difficult group to be readily
determined by the student without recourse to the full generic de-
scription :

TABLE OF GENERA.

FEMALES. :

AVWET Bg GCG ra atic car eat 3
Wingless.

With ocelli=-2 = Sue ee es dee ea ies See ee eee Rae eee 2

Without ocelli; antennz 15-jointed.
Metathorax much contracted or strangulated at base.
Seutellum present.
Maxillary palpi 6-jointed; mandibles 5- or 4-dentate-..PRiIsTOCcERA Klug
Seutellum wanting.
Maxillary palpi 6-jointed; mandibles 5-dentate ~...ISOBRACHIUM Forster
Metathorax not much contracted at base, quadrate.
Scutellum present.
Maxillary palpi 5-jointed; mandibles 4-dentate ...-.SCLERODERMA Latr.
Maxillary palpi 4-jointed; mandibles 3-dentate,
DISSOMPHALUS Ashm. gen. noy.
Maxillary palpi 4-jointed; normal; mandibles 2-dentate.

Labial:palpi3-jointed: <2. 3.220. 28.2 -2se—e=t eee ATELEOPTERUS Forster

Maxillary palpi 4-jointed, deformed; mandibles 2-dentate.
Labial=palpisd=join tedi aa. ae eae eee APENESIA Westw.
2. Antenne 12-jointed; maxillary palpi 4-jointed...-.....-- CEPHALONOMIA Westw.
3. Anterior wings with a stigmated marginal vein and a marginal cell, the radius
alyraysiwellidevelopedes-s-ecetee= sea) er eee eee eee 4

Anterior wings without stigmated marginal vein and marginal cell, the radius
not, or but slightly, developed.
Anterior wings without marginal and stigmal vein.

Antenne 12-jointed; no basal cell......--.--..-----.CEPHALONOMIA Westw.
Antenne 13-jointed; one basal cell.-...-...-...-:-.--- ATELEOPTERUS Forster

Anterior wings with a short linear marginal vein and a short radius.
Two basal cells about equal in length.

Antenne 13-joInted 22225-2225 22 Oe bt eee eee L« ius Ashm. gen. nov.
Antenne al2-jombed i. 2522 et a eee ee Betuyuus Latr.

4. Basal nervure with a branch directed backwards, sometimes forming a small
cell:;-a sparastioma.; : 2222 Sc2oleses eee: ae eee ee 6

Basal nervure without a branch directed backwards; no parastigma.
Anterior wings with an incomplete marginal cell .............---...---.. ---- 5

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID. 31

Anterior wings with a complete marginal cell.
Antenne 13-jointed.

Waithecraiscoldalicelilkeea- a. 4. can cose Soeone Secs e oe EUPSENELLA Westw.
Wath colusveronca ln level oe ae ee ee ee eee ee oe eae SIEROLA Cameron

5. Mesonotal furrows distinct.
Antenne 13-jointed; maxillary palpi 6-jointed; labials 3-jointed; fore femora
much swollen.
Scutellum with a transverse grooved line at base.

Marcilleninlolbedsabranpexea ss ss sees la = ~ereeicteei ane CALYOZA Westw.
Max Tan bulobedtatrapexcasa--nesss sos ssse seas Ses e = EPYRIS Westw.
Scutelam swathes toverab pase--= 2 -—-- 22 ees ae MEsITIUS Spinola

Mesonotal furrows wanting or indistinet.
Antenne 13-jointed; fore femora much swollen.

Scutellum with a transverse grooved line at base -...--..--- a eee, (HIBWeRIS))

Scutellum with 2 fover at base.....-. deselsletete a,tieimme See Ssjaieis aise (MEsITIUS)

PENGTINGS TR FON Agee) OLD Cede ate neat ate) ota) ora ata eyed atalino tater ANoxus Thoms.

Creme Agri tre rine wal) Co LN Cl eer ee leet eater eens sie ole efate t= l= = PERISEMUS Forster

PAcaipestini esate} =] CIE Ue Cleese teat ated es sett team ele ela elie scete re GONLozUS Forster
MALES.

HRPM eROete mm Oa sul CMES WiO lL @ Mer mresey as ate ae a =e ee heleia = a alelaele olen er eRe Se 2

Anterior femora not swollen; anterfor wing with 1 or 2 discoidal cells, usually

open,

Mesonotal furrows distinct, usually 4; antennie 13-jointed; no parastigma.
Mandibles 4 or 5 dentate; maxillary palpi 6-jointed.
Abdominal segment 2 without umbilicate tubercles.
First discoidal cell distinct; stigma large .......---- PRISTOCERA Klug
First discoidal cell indistinctly defined, always open; stigma small,
ISOBRACHIUM Forster
Mandibles 3-dentate; maxillary palpi 4-jointed.
Abdominal segment 2 with 2 umbilicate tubercles,
DIsSSOMPHALUS Ashm. gen. nov.
2. Anterior wings with a distinct marginal cell, the stigmal nervure always long..4
Anterior wings without a marginal cell, the maginal and stigmal nervures want-
ing, or very short.
Anterior wings with a short linear marginal nervure and a short radius.-.-.-. 3
Anterior wings without marginal and stigmal nervures.
Antenne 13-jointed.

Wath 2 basal cellss- 222--- 5... 2.2 Bley Heirs sie erce ie ecnae SCLERODERMA Latr.

Waitin liso asenline Clete epee erie ena eleeeise eee ATELEOPTERUS Forster

p Nera tern exes ea CONT Cl epee vee ee te etre arr oe . CEPHALONOMIA Westw.

REAM ETA NO mulls =) ONO Cee reer eretietaletata atts alesis eine Ieee te La ius Ashm. gen. nov.

AMiCeMM le} aOImbeG ss eects eon eet ene eeeds owes ens. 2) DETR YLUS Hat.

4, Anterior wing with an incomplete marginal cell, the stigmal vein long. .------- 5
Anterior wing with a complete marginal cell; antennw 13-jointed.

Wibhsordiscoldalicellsiee= St... eee oc nita acne EUPSENELLA Westw.

Withee discordalkcelllrseceist cs Saeco see seein as = SimzroL_a Cameron

5. Basal nervure with a branch direet backwards, often forming a closed cell; a

eA RO CR ee eye eee teeta ie ao) em ara 6

Basal nervure without a branch directed backward; no parastigma.
Mesonotal furrows distinct.
AMiSTMMNIEs ol) Olabe da. NANOS Ce see soe es a = eee eal p= CALYOZA Westw.
Antenne 13-jointed, simple, filiform.

Seutellum with a transverse fovea at base; maxilla terminating in two
lOWeSHer ros eee ee aah ero ace teas ee eee ease Epyris Westw.

Scutellum with 2 fovew at base; maxilla terminating in 3 lobes,
MEsITIUs Spinola

32 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Mesonotal furrows wanting or indistinct.
Antenne 13-jointed.

Mandiblesione, slender: bind’ 22 seer en aeeee ee eee APENESIA Westw.

Mandibles broad, 4- to 6-dentate.
Scutellum with a transverse fovea at base.....-...-.---.------ (Epyris)
Scutellum ‘with’ 2 fovesiat base= oa. -- see a ee eee (MEsITIUS)

Antenne 12-jointed.

Ey es bairyur. coc oct Bese pee eer ae eee come cen ee ANoxus Thoms.
6: Antennie 12-jointeds J 2s25-5- ee eee ee eee PERISEMUS Forster
Antenn 13-jointed ...2. 2.2. 2 se cocisee eee ee ce eee eee eee GON10ZUS Forster

PRISTOCERA Klug.

Weber u. Mohr. Beitr. Naturk. 1, p. 202-6, pl. iv (1810), Westw. Thes. Ent. Oxon, p.
162 (1874).

(Type P. depressa Fabr.)

Head, in ¢ oblong-oval, convex with 3 ocelli; in 2 large, oblong
quadrate, the ocelli wanting; the eyes very small.

Antenne in both sexes 13-jointed, in ¢ long, tapering toward tips;
the scape stout, curved, punctate, the pedicel minute; the flagellar joints
are filiform or subfiliform, truncate at tips, three or four times longer
than thick, hairy or pubescent; in 2 much shorter, submoniliform, the
last joint somewhat longer than the penultimate.

Maxillary palpi 6-jointed, long; labial palpi 3-joimted.

Mandibles in é dilated at apex and crossing each other, 5-dentate,
teeth acute, conical, the outer tooth large; in 2 stout, curved, the apex
3- or 4-dentate, the outer tooth large, obtuse.

Thorax: Prothorax in ¢ triangular, anteriorly subtruneate, deeply
transversely impressed; mesonotum with 2 to 4 distinct furrows; meta-
thorax convexly rounded posteriorly; in ? the prothorax is subquad-
rate, rounded anteriorly; mesothorax convexly rounded, with an im-
pressed line on each side; the scutellum present; metathorax usually
more or less strongly contracted at sides towards the base.

Front wings in é with an oblong or oval stigma, an incomplete
marginal, two basal, and one or two discoidal cells; and sometimes by
holding the wing up to the light other cells may be seen; the second
basal cell is a little longer than the first along the median nervure. The
2 is always wingless and very much smaller than the ¢.

Abdomen in the é ovate, depressed, subpetiolated, the second and
third segments longer than the others; in °, it is variable, usually
greatly elongated, pointed at apex.

Legs in ¢ rather long and not nearly so much swollen as in Epyris,
Mesitius, ete.; the anterior femora a little thicker than the posterior,
the anterior and middle tibie shorter than their femora, armed with
rigid bristles anteriorly; tibial spurs 1, 2, 2, the outer spur of hind tibie
very long, the claws long curved, with a tooth within near base; in &
shorter, stouter, the tibiee outwardly spinulose, the claws simple, not
toothed.

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID®. a0

A well-defined genus, but the males easily confused with Hpyris.
The more strongly developed venation, the distinct, rhomboidal dis-
coidal cell, the transverse medial nervure being always oblique and
not so much curved asin Hpyris; the 4 distinct mesonotal grooves,
coarser sculpture, and the less distinctly swollen femora will, however,
readily distinguish the genus. The females have frequently been mis-
taken for those of other genera, but the characters given in the table
readily separate them. Many species described under the genus
Scleroderma belong here.

Moesary’s work ‘‘ Magyar Fauna, ete.,” in which this genus is placed
with the Sapygide as a subfamily Pristocerinie, I have not been able
to see.

The species in the United States are not numerous, but two being
known to me, separated as follows:

Hemailespwan Glesswee sae atcaci swicis a sles ie celta sae elena cease wee joe a)csoe eels s Sasiieees 2
Males winged.
Black; the head coarsely rugose, with large punctures.
Large, 10-11™™.; flagellar joints at apex more or less serrate.-P. ATRA Klug
Moderate, 7-8™™.; flagellar joints at apex not serrate-..--.- P. ARMIFERA Say
2. Large, 7 to 8™™. Rufo-piceous, the abdomen paler, the head and thorax
with coarse scattered punctures.

ermal peste Ol eT e mesterereysie eaters re ten einte ata iay alee latal ieee telat ote se P. aTRA Klug
Smaller, 4™™. Rufo-piceous, the abdomen darker, smooth, shining, impunc-
tured.
Mandiblesis-demtateseaas= ass 22s siete Sala sie a acloo es ssc P. ARMIFEPRA Say

Pristocera atra Klug.
Cel siiesbiio glee ee 250.0) 5)
Web. u. Mohr Beitr. zur Natur 11, 202, ¢ ; Westw. Thes. Ent. Oxon., p. 153, pl.
XxxI, f.5; Cress. Syn. Hym., p. 247.

Scleroderma thoracica Westw., Trans. Ent. Soc. Lond., 1, p. 167, 9 ; Cress. 1. ¢.

¢.—Length 10 to11™™. Black, shining, punctate, sparsely covered
with a white pile. Head quadrate, coarsely reticulately punctate.
Mandibles black. Palpi piceous. Antenne 13-jointed, very long,
longer than the head and thorax together, tapering toward tips, the
flagellar joints about four times as long as thick, truncate at tips and
slightly produced toward one side, appearing somewhat serrate. Col-
lar rather short, rounded before, rugose and hairy. Mesonotum smooth,
with some scattered punctures and 4 parallel grooved lines. Meta-
thorax rugose, with raised lines and a slight median carina; the raised
lines at base are short, longitudinally directed, those beyond transverse
and irregular. Abdomen ovate, depressed, subpetiolate, highly
polished, black, shorter than the thorax, and with a deep longitudinal
furrow at base. Wings fusco-hyaline, the costa and stigma black,
the other nervures brown; the stigma is somewhat ovate, the second
basal cell (submedian) is a little longer than the first, the first discoidal
cell distinct, while two other discoidal cells are plainly discernible by
water-colored nervures.

21899—No. 45 3

34 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

2 .—Length 8 to 9"". Rufo-piceous, the abdomen paler; head and
thorax with some scattered punctures: mandibles 4-dentate; palpi pale.
The prothorax is one and a half times as long as wide, the sides
impressed; scutellum flat, rounded; metathorax elongate, laterally
toward base very strongly contracted, so that the base is not half
the width of the apex. Legs brownish yellow, the tibiz strongly
spinulose. Abdomen elongate, ovate.

HAbirat.—Georgia, Florida, Texas, Mississippi, and Maryland.

Types in Berlin Museum.

The types of this species | have seen in Berlin. Westwood’s type
ot Scleroderma thoracica is labeled ‘*Carolina, Zimmermann” while it is
accompanied by another specimen bearing label ‘Baltimore, Md.”
Klug’s type of Pristocera atra is in good condition. As suggested by
Prof. Westwood, these insects are sexes of a single species. It is the
largest species known, and the male might easily be mistaken for a
Tiphiid. My collection contains specimens compared with the types
in Berlin. I have seen specimens from various parts of the country,
the ¢ not beingrare. The 2 is extremely rare. The National Museum
contains a single 2 specimen collected by Mr. E. A. Schwarz, under
bark, at Jackson, Miss., February 2, 1879.

Pristocera armifera Say.

Bethylus armiferus Say; Lec. Ed. Say, 1, p. 383, ¢.

Epyris leviventris Cr.; Trans. Am. Ent. Soc.,1v, p. 193, g ; Ashm. Ent. Am., 111, p.
76; Cress. Syn. Hym., p. 247.

Scleroderma contracta Westw.; Trans. Ent. Soc. Lond., 11, p, 169, pl. 15, f. 11. 9

é.—Length 7 to 8™™. Black, shining, covered with a sparse, glit-
tering white pile; head quadrate, rugose, with dense coarse punctures;
mandibles rufo-piceous; palpi rufous. Antenne 135-jointed, setaceous,
long, covered with a fine sericeous pubescence, the basal flagellar joints
about three times as long as thick, toward the apex the joints rela-
tively longer on account of the antenne tapering off at apex.
Pronotum rugose; mesonotum smoother, with sparse deep punctures
and 4 grooved lines; scutellum polished, with few punctures ; metathorax
longer than wide, abruptly truncate at tip, transversely rugulose;
pleura coarsely punctured. Legs black, tarsirufo-piceous. Wings sub-
fuscous, the venation similar to P. atra, but without the water-colored
nervures.

?.—Length 4™™, Reddish piceous, smooth, shining, impunctured;
abdomen darker, the apical margins of the segments pale; antenne and
tarsi, yellowish; mandibles 3-dentate. Antennze 13-jointed, the pedicel
more than twice longer than the first flagellar joint, the following joints
to the thirteenth not longer than wide, the thirteenth twice longer
than wide. The apical margins of the third, fourth, fifth, and sixth
abdominal segments are roundedly emarginated.

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA, 3D

HABrrat.—United States.

TyPE: 2? in Berlin Museum; ¢ in National Museum and Coll. Amer-
ican Ent. Soe.

The type of Scleroderma contracta Westw. I have seen in the Berlin
Museum; it has 3-dentate and not 4-dentate mandibles, as described by
Westwood.

The species is widely distributed over the United States, but the @
is rare. Specimens are in my collection from Florida and Iowa, while
the National Museum and the American Entomological Society have
specimens from Texas, Georgia, Virginia, Maryland, and other States.

ISOBRACHIUM Forster.
Hym., Stud., 11, p. 96 (1856).
(Type I. (Omalus) fuscicornis Nees. )

Head in 2 much elongated, more rounded in ¢ , the cheeks posteriorly
delicately margined; eyes in 2 wanting or very minute, in é rather
large, reaching to the base of the mandibles; ocelli absent in 2 , present
in thes.

Antenne 13-jointed, filiform, inserted in a elypeal fovea, the scape
curved.

Maxillary palpi 6-jointed; labial palpi 4-jointed.

Mandibles broadened and truncate at apex, in 6 with an acute outer
tooth and with usually 4 small blunt dentations within; in ° with 3
teeth, the outer two most frequently equal.

Thorax in ¢ similar to Hpyris, the prothorax rounded anteriorly, the
mesonotal furrows rarely complete, most frequently indicated only an-
teriorly, sometimes entirely wanting; there is also a distinct groove on
the shoulders; metathorax long; in the ? the thorax between the meso-
and metathorax is strongly constricted and the scutellum is wanting.

Front wings in ¢ very similar to Hpyris, only the stigma is smaller,
more quadrate, the transverse median nervure usually more oblique,
not so distinctly curved, while the discoidal nervure is present and the
second discoidal cell is more or less present; the 2 is always apterous.

Abdomen ovate, depressed, the segments unequal; in ? elongate,
conic-ovate.

Legs as in Pristocera, not much thickened in the 6; tarsi longer
than their tibize, the basal joint of posterior tarsi as long as the re-
maining joints united; in the 2? the middle tibiz are spinous.

This genus bears a superficial resemblance in the male sex to both
Mesitius and Epyris, but the much slenderer legs, eyes extending to
base of mandibles, and the 4-jointed labial palpi readily distinguish it
from those genera. The female comes nearest to Pristocera, but the
absence of a scutellum and the strongly constricted metathorax suf-
ficiently separate it from it and other wingless forms,

36 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

In stating this genus to be synonymous with JMesitius Spinola and
Heterocelia Dahlbom, Prof. Westwood erred and added not a little to
the confusion respecting it, as all these genera are quite distinet. He-
terocelia is, as Dahlbom indicated, a genus in the family Chrysidida,
while Mesitius is a genus allied to Hpyris. For an explanation of this
statement see my remarks under the genus JMesitius.

The genus is found associated with various ants; it may be parasitic
upon the ants, or upon the myrmecophilous Coleoptera so frequently
found in their nests.

Our species may be recognized by the aid of the following table:

TABLE OF SPECIES.

MALES.
Mesonotum withowt TUrrows3 sacs oe see Se eee ee eee ee ee ee 3
Mesonotum with furrows.
Transverse median mervure inberstiiavees | ee se= eee sae sees eee eee 2
Transverse median neryure evected.
Antennz and legs pale ferruginous................-..... I. MAGNUM sp. noy.

2. Wings subhyaline.
Abdomen piceous, paler at sutures, rufescent beneath.
Antenne and legs pale ferruginous or brownish yellow.
Mandibles with small teeth within....--... I. MYRMECO PHILUM, sp. nov.
Mandibles very large and broad without teeth within.
I, MANDIBULARE, Ashm,
Wings hyaline.
Abdomen rufous, sometimes more or less piceous toward base above.
Antenne and Jegs pale ferruginous.
Abdomen not longer than the thorax...-. ....---- I. RUFIVENTRE; sp. nov.
Abdomen brownish-yellow. :
Abdomen elongate, much longer than head and thorax together.
I. MONTANUM Sp. nov.
3. Wings subhyaline.
Black; legs pale ferruginous, the femora obfuscated above.
I. FLORIDANUM Ashm.

FEMALES,

Head black, with large punctures.
Thorax dark brown, or mahogany.
Abdomen not longer than the thorax, rufo-piceous....I. MYRMECOPHILUM
Thorax rufous.
Abdomen brownish-yellow, much longer than the head and thorax united.
I. MONTANUM
Head piceous.
Thorax rufopiceous.
Abdomen brownish-yellow, longer than the head and thorax together.
I. MANDIBULARE

Isobrachium magnum sp. noy.

é.—Length nearly 5". Black, punctate; head a little longer than
wide, rather strongly punctate, the surface alutaceous. Antenne 13-
jointed, brownish-yellow, the flagellar joints from 2 to 24 times as long

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID. od

as thick, the last joint twice as long as the penultimate. Thorax
anteriorly narrowed, the collar brownish, the mesonotum with 4 2TOOVES,
the middle furrows more or less indistinct and abbreviated posteriorly,
the scutellum with a transverse furrow at base, the metathorax twice
as long as wide, rugulose, with a median carina. Wings subhyaline,
the stigma and nervures pale brownish-yellow, the transverse median
nervure evected. Legs brownish-yellow, the posterior coxze somewhat
dusky. Abdomen oval, piceous-black, the apical edges of the segments
testaceous.

HABITAT.—Spokane Falls, Wash.

Type ¢ in Coll. Ashmead.

The largest species in the genus known to me, and readily dis-
tinguished by the evected transverse median nervure.

Isobrachium myrmecophilum sp. nov.
CRI HoSh or gy sete O)-))

2.—Length 3™™. Head twice as long as wide, black or piceous,
shining, punctate, and sparsely covered with a dusky pubescence.
Kyes and ocelli entirely wanting. Mandibles rufous, with 3 teeth.
Antenne short, 13-jointed, rufous, the scape nearly one-half as long as
the flagellum; pedicel small, rounded; the flagellar joints, except the
last, all transverse, the last oblong, more than twice as long as the
preceding. Thorax brownish-piceous, highly polished, with a few
scattered punctures; the prothorax is greatly elongate, 24 times as
long as wide, with nearly parallel sides rounded off anteriorly, the
anterior depression of the collar pale rufous, finely transversely acicu-
late; prosternum black; mesonotum separated from the pronotum by
a distinct furrow; the mesothorax is separated from the metathorax by
a Strong constriction, trilobed but without a scutellum; the metathorax
is scarcely larger than the middle mesothoracic lobe. Legs pale brown-
ish-yellow, stout, the middle tibiw strongly spinous; all tarsi longer
than their tibiw. Abdomen oblong oval, brownish-piceous, much
Shorter than the thorax, smooth, impunctured, sparsely pilose.

$ .—Length 3 to 3.5". Black, punctate; head oblong, with a thim-
ble-like punctuation, mandibles rufous, antenne and legs pale brown-
ish-yellow, collar pale anteriorly; abdomen piceous, paler at sutures.

Antenne 13-jointed, extending to base of scutellum, the flagellar
joints not quite twice as long as thick. Thorax with 4 grooved lines,
the middle pair parallel, abbreviated posteriorly; those on the shoulder
abbreviated anteriorly. Metathorax long, minutely shagreened with
a central longitudinal carina. Wings hyaline, the stigma and sub-
costal nervure pale brownish, the other nervures subhyaline; the radius
is very long, almost reaching to the apex of the wing, the transverse
median nervure, oblique, interstitial with the basal.

HABITAT.—Pennsylvania, District of Columbia, Montana, and Ari-
zona.

Types in Coll. Ashmead.

38 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

This species has been taken from the nests of the ant Formica rufi-
barbis by H.G. Hubbard, at Ft. Assiniboine, Mont., and is also associated
with ants under stones, at Washington, D. C., and at Beatty, Pa.

Isobrachium mandibulare sp. noy.

@.—Length, 3.5™". Closely allied to J. rufiventre and closely re-
sembling it: Head brown, not so distinctly punctate, the outer tooth
of mandibles longer, the inner tooth subobsolete; eyes entirely wanting;
legs yellow, the anterior tibize at base dusky; middle tibize strongly
spinous. The abdomen is long and measures 2"™; it is brownish-yel-
low, except the short petiole, which is black. The 135-jointed antenne
are nearly twice the length of the oblong head; scape half the length
of the head, much narrowed at base; last flagellar joint twice as long
as the penultimate, rounded at tip. ,

é.—Length 3.6™". Black and agreeing in color and structure with
I. myrmecophilum, except as follows: The head is a little broader; the
antenne a little stouter and shorter, the flagellar joints scarcely 14
times as long as thick; mandibles very large and broad, brownish-yel-
low; there are no teeth within after the second tooth which is small,
while the dorsum of the metathorax, except at base, is smooth and
shining.

HaAsirat.—District of Columbia and Fort George, Fla.

Types in Coll. Ashmead.

Both sexes of this species were taken together in the nests of Cam-
ponotus pennsylvanicus, May 27, 1883, by Mr. Theo. Pergande.

Isobrachium rufiventre sp. nov.

? .—Length, 3.5 to4™™. Head variable, from piceous to black, about
twice as long as wide, with scattered punctures; eyes wanting; thorax
brown; antennie, legs, and abdomen brownish-yellow. The mandibles
are large, crossing each other at tips, and terminate in 3 black teeth,
the two outer large, equal, the inner one small. Antenne 13-jointed,
14 times as long as the head; scape stout, not quite half as long as
the head; pedicel a little longer and stouter than the first flagellar
joint, the following joints to the last, wider than long, the last conic.
Prothorax narrower but longer than the mesothorax, rounded before,
more than twice as long as wide, separated from the mesonotum by a
deep groove; mesothorax subcordate, as wide as long, trilobed, with-
out a scutellum, the lateral lobes obeordate. Middle cox, much larger
than either the front or hind coxie, pilose beneath, the tibiz spinous;
anterior tibie with only a few spines. Abdomen long, pointed at apex,
about 1.6" in length.

é.—Length, 3.6 to 4". Head and thorax black, shining, sparsely
punctuate, the posterior margin of collar tinged with rufous. Antenne
and mandibles pale rufous; legs, including coxze, pallid or whitish.

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID2. 39

Abdomen entirely rufous. Wings salty white, the stigma and ner-
vures hyaline.

HABITAT.—Yuma, Ariz., Montana, Texas, and Virginia.

Types in Coll. Ashmead, National Museum, and American Entomo-
logical Society.

The males of this species are common, the females rare.

Both sexes were taken together under stones near an ant’s nest, by
Mr. Pergande, August 5, 1885, at Occoquan Falls, Virginia, and a
single 2 was taken from the nest of Formica obscuripes at Helena,
Mont., by Titus Ulke.

Isobrachium montanum sp noy.

? .—Length,5™™". Head oblong, twice as long as wide, piceous black,
punctate, very faintly pubescent. Eyes and ocelli wanting. Mandi-
bles rufous ending in 2 black teeth. Antenne 15-jointed, brownish-
yellow, the scape less than half the length of the flagellum; pedicel
longer than the first funiclar joint; flagellar joints, except the first and
last, a little wider than long, the last joint oblong. Abdomen much
longer than the head and thorax united, pale brownish-yellow.

6 —Length,4™". Head and thorax black, the collar pale; antenne,
mandibles, legs, and abdomen brownish-yellow; wings salty white.
The thorax is smooth, impunctured, while the middle grooves of the
mesonotum are only slightly indicated anteriorly. Metathorax long,
smooth, impunctate, the central carina abbreviated. Abdomen longer
than the head and thorax together.

HABITAT.—Montana and Arizona.

Types in Coll. Ashmead.

The 2 of this species was taken from the nests of Formica rufibar-
bis by H. G. Hubbard at Helena, Mont., while the male, here associated
with it, was obtained from a collection in Arizona; still the structure
and color of the abdomen are so similar that there is no doubt left in
my mind that they are sexes of the same species.

Isobrachium floridanum Ashin.
Ent. Am., 01, p. 76; Cress. Syn. Hym., p. 247.

$ .—Length, 2.5". Black, subopaque, finely punctate and sparsely
covered with a whitish pubescence. Head oblong, closely punctate;
eyes pubescent, mandibles long, crossing each other at tips. Antenne
13-jointed, ferruginous, covered with a dense pubescence; scape clavate,
about half the length of the head; pedicel not longer than wide at
tip, narrowed at base; first flagellar joint a little shorter, the joints be-
yond longer. Prothorax trapezoidal, longer than wide across the base;
mesonotum very short without furrows; scutellum with a transverse
impressed line at base; metathorax quadrate with numerous longitu-
dinal raised lines at base. Wings fusco-hyaline, the nervures brown;

AO BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

stigma small. Legs pale ferruginous, the femora with a dusky streak
above. Abdomen black, highly polished, oval, shorter than the thorax.

Hasirat.—Jacksonville, Fla.

Type in Coll. Ashmead.

Distinguished at once by the absence of the mesonotal furrows and
the longer and different shape of the prothorax. It is scarcely con-
generic with the others; but as I have but a single specimen and the
mouth parts can not be examined I must be content to allow it to re-
main here for the present. In general appearance it closely resembles
the ¢ in Mesitius. |

SCLERODERMA Latreille.

Gen. Crust. et Ins., Iv, p. 119 (1809); Westw. Trans. Ent. Loc. Lond., u, p. 164
(1839) and 1881, p. 17; Thes. Ent. Oxon., p. 169.

Sclerochroa Forster Hym. Stud., 11, p. 168 (1856).

Head large, subquadrate, above convex; eyes in ? small, the ocelli
wanting; in 2, eyes and ocelli normal.

Antenne 13-jointed, longer in the 4, shorter and more inerassated
in the.

Maxillary palpi short, 5-jointed, the apical joints slender; labial palpi
3-jointed.

Mandibles small, obtuse at apex, 4-dentate.

Thorax elongate, the prothorax large, triangular or semiovate; me-
sonotum scutelliform; metathorax oblong, in 2 narrowed basally.

Front wings in é without a stigma or stigmal vein, and with only 2
short basal cells, the other cells entirely obliterated; 2 apterous.

Abdomen in ¢ ovate, in 2 greatly elongated, cylindrical and pointed
at apex.

Legs short, thick, the femora much swollen, tibial spurs 1, 2,2; claws
simple.

The characters of the male sufficiently separate this genus from other
forms, but to distinguish the females from those in closely allied genera
is quite difficult. I am convinced that many females described under
this genus, by European authorities, do not properly belong in it, but
will be found to belong to other genera, 7. e., Pristocera, Isobrachium,
and Dissomphalus, as the mouth parts can not always be satisfactorily
examined.

Only a single species is known in our fauna, as follows:

Scleroderma macrogaster Ashm.
(Pl. 11, Fig. 6, 2.)
Selerochroa macrogaster Ashm. Ent. Am., 11, p. 75,9 5 Cress. Syn. Hym., p. 247.
?.—Length, 5™™. Head oblong-quadrate, black, polished; thorax
and legs rufo-piceous, the knees and tarsi, honey-yellow; metathorax

honey-yellow; abdomen black. Antenne 15-jointed, honey-yellow, one-
fourth longer than the head, the scape about one-third the length of

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. Al

the flagellum, curved, narrowed at the base, the joints of the flagellum
not longer than thick. Abdomen elongate, pointed-ovate, two and a
half times longer than the thorax, black, highly polished, with a few
hairs at tip, the first and third segments about equal, the second
slightly shorter.

HABITAat.—Jacksonville, Fla.

Type in Coll. Ashmead.

DISSOMPHAULUS Ashmead gen. noy.
(Type D. xanthopus.)

Head in ¢ oval, very little longer than wide, with a long frontal
carina; eyes oblong-oval, extending to base of mandible, nearly bare,
or with few bristles; ocelli3, distinct; in 2? head oblong; eyes small oval;
ocelli wanting.

Antenne inserted rather far apart, 13-jointed, filiform, submonili-
form, the first flagellar joint always smaller than the second.

Maxillary palpi 4-jointed; labial palpi 3-jointed.

Mandibles not very broad at tips, truncate, with 4 teeth.

Thorax in ¢ subovate, the prothorax not very long, constricted into
a collar anteriorly, the pronotum usually very short; mesonotum with
or without furrows; scutellum with a transverse impressed line at
base; metathorax subquadrate, truncate behind but the angles rounded;
in 2 with the prothorax long, narrowed anteriorly; scutellum distinct;
metathorax quadrate, very slightly contracted at base.

Front wings in é with two basal cells of an equal length, the trans-
verse medial nervure being straight, an oblong-quadrate stigma and a
long stigmal vein; 2° always apterous.

Legs in é slender, the femora not much swollen; tibial spurs 1, 2, 2;
tarsi a little longer than the tibis, the basal joint nearly as long as
the remaining joints united; in ? with the femora swollen, the tibi not
spinous.

Abdomen in é oval or rotund, depressed, subpetiolate, the second
body segment always the longest and with two very small, round,
wart-like tubercles, usually covered with short hairs, sometimes placed
in a fovea or depression and variously situated, being sometimes close
together or widely separated; in 2 long, cylindric-ovate, the apical
margins of segments 5 to 5 more or less emarginate or sinuate.

This new genus can always be distinguished in the male sex by the
two minute wart-like, pubescent tubercles on the second abdominal
segment and by the straight transverse median nervure; otherwise it
bears a close resemblance to Isobrachium. It agrees with that genus,
in having the eyes extending close to the mandibles, in its mesonotal
characters, and in having (comparatively) slender legs; but besides
the differences already mentioned, which are sufficient to distinguish .

42 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

it, it differs in the more slender, 4-dentate mandibles, in having 4-jointed
maxillary palpi, and a shorter metathorax.

The female resembles Pristocera and Scleroderma, but the maxillary
palpi are 4-, the labial 3-jointed, the scutellum distinct, while the meta-
thorax is quadrate, not or scarcely contracted at base, the middle tibize
not spinous.

Four species are known to me in the male sex from St. Vincent, West
Indies, and two from the United States.

The species in our fauna may be distinguished as follows:

Wingless 9 s.22525. 2655 snccde ch eases SO SEE eo ioe Re tee ene eee eee 2
Winged ¢.
Mesonotum with 2 distinct furrows.

Legs, including coxie, yellow; head opaque, finely, densely punctulate, with

NO fLoOMbal PULrOWe- ee sae see eee aa ee ee eee D. XANTHOPUS Sp. noy.
Legs yellow, the hind coxze black or black basally; head shining, feebly
punctulate, with a frontal furrow ........ DD. CALIFORNICUS Sp. nov,

2. Abdomen black.
Thorax, legs and antenn:e testaceous; head rufo-testaceous-.....D. XANTHOPUS
Thorax, legs, and antenn:e brownish-yellow; head blackish....D. CAROLINENSIS

Dissomphalus xanthopus sp. nov.
CE at EUOBS This is EBs Oe)

9. Length, 3.5™™. Head rufo-testaceous; thorax, legs and anten-
ne flavo-testaceous; abdomen black.

Antenne 13-jointed about the length of the head; the scape clavate,
one-third the length of the head; flagellum subclavate, involuted ; pedi-
cel longer than the first flagellar joint; first flagellar joint the slender-
est, a little longer than thick, narrowed basally, the following joints
very gradually becoming stouter, but not, or scarcely, longer than thick,

é. Length, 2.8™™. Black; the head opaque, finely punctulate;
thorax shining but still microscopically punctate, the mesonotum with
two furrows and a grooved line on the shoulders; mandibles pale rufous
with 4 nearly equal teeth; palpi white; legs, including the coxi, yel-
low. Antenne 13-jointed, the scape, pedicel, and first flagellar joint,
yellow, remaining joints fuscous; the flagellar joints except the first,
are about one and a half times as long as thick, densely pubescent, the
last a little longer than the penultimate. Metathorax subquadrate, a
little wider than long, almost smooth, being only slightly rugose at base
and with a median carina extending to the superior edge of the trun-
cature. Wings hyaline, the venation yellowish; the stigma is 34 times
as long as thick, a little narrowed at base and truneate at apex. Ab-
domen oblong-oval, not as long as the thorax, black, highly polished,
the anus yellowish; the two small tubercles 6n the second segment are
widely separated, situated at the basal angles.

HABITatT.—Arlington, Va., and Cedar Point, Md.

Type é 2 in Coll. Ashmead.

Described from 3 specimens.

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDE. 43

Dissomphalus californicus s)). nov.

é.—Lengeth 3™™. Black, shining; the head but feebly punctured,
with a frontal depression before the front ocellus; thorax with 2 fur-
rows; mandibles rufous; palpi whitish; legs brownish yellow; the pos-
terior coxe black basally; the hind femora dusky above. Antenne 13-
jointed, fuscous, the scape and pedicel yellow; the first flagellar joint
very small, only half the length of the pedicel; the three or four fol-
lowing scarcely longer than thick; those beyond longer, all densely
covered with a short pubescence. Metathorax subquadrate, dorsally,
except just at tip, rugose, with a median carina. Wings hyaline, the
venation pale yellowish; the stigma is thrice as long as thick, truncate
at apex. Abdomen oval, scarcely half the length of the thorax, black,
shining; the two small tubercles on the second segment are wide apart,
placed near the basal angles.

Hasrratr.—California.

Type é in Coll. American Entomological Society.

Described from a single specimen.

Distinguished from xanthopus by the sculpture of the head, color
and relative lengths of the joints of the antenne, longer thorax, color
of the hind legs, shorter, oval abdomen, and in the position of the two
tubercles on the second abdominal segment.

Dissomphalus carolinensis sp. noy.

?.—Length 2.6™, Polished, impunctate; head oblong-quadrate,
piceous black; antennie 13-jointed, not longer than the head, brownish
yellow, the flagellum slightly dusky toward apex and very slightly
incrassated; the scape is less than half as long as the flagellum and
stouter; pedicel larger than the three following joints united, which
are small and not longer than thick; the joints beyond these to the
last are wider than long; the last joint longer than the penultimate.
Thorax and legs brownish-yellow; the tarsi pale; metathorax quad-
rate, impressed laterally to the middle coxie. Abdomen black, polished,
conic-ovate, as long as the head and thorax united, the incisions pale,
the apical margins of segments 3 to 6 slightly emarginate.

HABriTat.—North Carolina.

Type in Berlin Museum.

Described from a single specimen, labeled “Carolina, Zimmermann.”

ATELEOPTERUS Forster.
Verh. d. Naturh. Ver. Preuss. Rheinl., 1851, p. 5, Tab. 1, f. 1, ale.
(Type A. Forstert Kirchner, ¢.)

Head in apterous 2 oblong-quadrate, flattened subconvex above,
the eyes small, oblong-oval, the ocelli wanting; in winged 2 with ocelli;
in ¢ shorter, the eyes large, prominent, slightly hairy.

44 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

2

Antenne 15-jointed, the scape about one-third the length of the head,
curved, subclavate, Shorter in the @ ; pedicel small, rounded.

Maxillary palpi short, 4-jointed; labial palpi 2-jointed.

Mandibles in ¢ 4-dentate, the outer tooth acute.

Thorax elongate, the prothorax long, triangular, rounded in front;
mesonotum short without furrows; scutellum rounded behind, with a
transverse furrow at base; metathorax subquadrate, roundedly trun-
vate in 2; longer abruptly truncate posteriorly in 2, with squared
sides.

Front wings with only a single basal cell and a punctiform marginal
vein; no stigmal vein, the costal cell open; 2? sometimes apterous.

Abdomen subpetiolate, elongate, cylindrical, pointed at apex, the
second and third segments the largest, the apical margins of segments
3, 4, and 5 roundedly emarginate in ?, in ¢ straight.

Legs rather short and stout, the femora swollen, tibiz not spinulose,
the claws simple.

A genus closely allied to Scleroderma and the females apt to be mis-
taken for those of that genus; but the 4-jointed maxillary palpi and the
simple, not spinous, tibive sufficiently distinguish them. The male is
recognized at once by the single basal cell in the front wings.

Forster characterized the genus from a single male, the female being
unknown to him. I have been enabled to perfect his diagnosis by the
rearing of both sexes from a cluster of cocoons found in an old stump
and from specimens of another species reared from the cosmopolitan
beetle Silvanus surinamensis.

The species known to me in our fauna may be tabulated as follows:

TABLE OF SPECIES.

Wanieless: 0: s..c2..s5 Ste ee ee See Spd ee ae ne Re eee 2
Winged gand 9.
Black.
Wings dusky; legs brownish yellow.-...-..-.--...-- A. NUBILIPENNIS, Ashm,

Wings hyaline.

Legs rufo-piceous; sutures of abdominal segments rufous-...--..-----
na SEU ead AB Som beak oot Se eer Oe ee bees oe A. VIRGINIENSIS sp. nov.

Legs black or piceous black; tarsi honey yellow; sutures of abdomen
not rufous 6.22.0 .222 sts eee Geen ee eee te eee eee A. TARSALIS sp. nov.

2 Head and thorax rufo-piceous; abdomen longer than the head and thorax

united, black, the tip rufous.

Antenne and legs brownish-yellow ..............---- A. VIRGINIENSIS, Sp. nov.

Ateleopterus nubilipennis Ashmn-

Ent. Am., 01, p. 97 ¢ nec 9; Cress. Syn. Hym. p. 312.
é. Length 3™. Black, shining; very faintly closely punctulate,
but with a few coarser scattered punctures over the surface and

sparsely covered with a black pubescence. Antenne 135-jointed, the
scape brownish yellow, the flagellum fuscous; the scape is one-third

=

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID&. A5

the length of the head, clavate, a little bent; the pedicel small; the
flagellar joints a little longer than thick. Prothorax a little longer
than its width at base, rounded before. Mesonotum short, transverse;
scutellum subconvex, with a transverse impressed line at base. Meta-
thorax a little longer than wide, finely rugulose. Wings dark fuscous.
Legs brownish yellow. Abdomen black, shining, as long as the head
and thorax together, with sparse long hairs, thicker at the pointed
apex.

HABirat.—Jacksonville, Fla.

Type ¢ in Coll. Ashmead.

Ateleopterus virginiensis sp. noy.
Wisin Bios leg 2-0")

é. Length 1.75"™, Black, smooth, shining, varied with rufous or
piceous. Antenne 13-jointed, pale brown or yellowish; the scape one-
third the length of the head.

Prothorax long, narrowed in front twice the length of the width at
base. Metathorax a little more than twice as long as wide.

Wings hyaline, the veins of the single basal cell pale brownish-yel-
low. Legs rufous, the femora sometimes dusky above. Abdomen
black, the sutures tinged with rufous; sometimes the rufous color ex-
tending on to the segments; the posterior margin of the second and third
segments emarginate at the middle.

?. Length 2.2-™. Head and thorax rufous; abdomen piceous-black,
the pointed tip rufous, the sutures pale, the posterior margin of the
third, fourth, and fifth segments emarginate.

HaABirat.—Arlington, Va.

Types 6 and 2 in Coll. Ashmead.

Described from several specimens in both sexes, reared from a clus-
ter of cocoons taken under the bark of an old stump and which have
enabled me to complete the generic diagnosis.

Ateleopterus tarsalis, sp. nov.

?. Length, 1.8™™. Black, polished, impunctate; antennie dark
brown; legs piceous to black, articulations somewhat reddish; tarsi
honey-yellow. The head is oblong, a little longer than wide, squarely
truncate at base and apex, the sides convex; eyes rather large, oblong
oval; antenne 13-jointed, the scape clavate not quite one-half the
length of the head; pedicel 14 times as long as thick, and much
larger than any of the following joints, the flagellar joints closely united,
wider than long. Pronotum a little longer than wide, narrower than
the head and longer than the mesonotum and scutellum united; mes-
onotum about half as long as the seutellum, smooth without furrows;
seutellum with 2 fovee at base; metanotum long, quadrate, with the
sides margined and a central carina. Wings hyaline, the venation
brownish. Abdomen conic-ovate, much wider than the thorax, but

46 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

not or scarcely longer, perfectly smooth and shiny, with a fine sparse
pubescence.

The @ measures searcely 1.5", and differs from the 2 as follows:
The head is more rounded; the flagellar joints are a little longer than
wide, while the abdomen is shorter and more nearly oval, or short
ovate.

Hasirar.—Washington, D. C., and Lafayette, Ind.

Types in Coll. Ashmead.

I first reared this species from raisins infested with Silvanus suri-
namensis and other Coleoptera; subsequently Prof. F. M. Webster sent
me several specimens which he reared in Indiana from Silvanus suri-
namensis infesting stored grain. It comes quite close to A. Forsteri
Kirch., of Europe, but differs in being perfectly smooth, impunctured.

; APENESIA Westwood.
Thes. Ent. Ox., p. 170. Trans. Ent. Soc. Lond., 1881, p. 130.
(Type A. anazonica Westw.)
(Pl. 11, Fig. 4, 2.)

Head large oblong or subquadrate, flattened; eyes in 2 minute and
composed of only a few hexagons; ocelli wanting; clypeus anteriorly
tritubereulated; in the ¢ the eyes are normal and the ocelli are
present.

Antenne 13-jointed, short, the first joint long, the second a little
longer than the third, the following short; in the ¢ the flagellar joints
after the second are a little longer.

Maxillary palpi deformed, 4-jointed; labial palpi 3-jointed.

Mandibles slender, curved, armed at apex with two large teeth.

Thorax in 2 elongate, the prothorax large, suboval; mesothorax
short, the dorsum subeordate; metathorax oblong, coutracted near the
base, the angles rounded; in ¢ elongate, the pronotum very long, nar-
rowed anteriorly, the mesonotum with one distinct furrow, the meta-
thorax quadrate.

Wings in ¢ similar to Epyris, the stigma very minute, the radius
very long and slender.

Abdomen in ? elongate oval, in ¢ ovate.

Legs in 2 short, thick, fossorial, middle tibive compressed and spin-
ous, the anterior tibie terminating in two spurs and the basal joint of
the tarsus is lunate and armed on the under side with a row of very
fine short bristles; the middle legs, on the contrary, are very robust,
the tibize strongly serrated on the outer margin and the spurs finely
spined; in the middle legs the tarsi are longer than the tibie and have
the under side of the three basal joints finely spined.

The slender, bidentate mandibles and 4-jointed deformed maxillary
palpi, sufficiently distinguish the female of this genus from other wing-
less genera. The male, which is here described for the first time, comes
nearer to the genus Dissomphalus than to any other, but the mandibles

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID.Z. 47

are longer and more slender, bidentate and cross each other at tips;
the head is quite differently shaped, being much longer, a little wider
anteriorly than posteriorly; the pronotum wholly different; the meso-
notum much shorter and without furrows; the abdominal segments
similar, but without the warty-like tubercles on the second segmert;
while the venation of the wing is quite different, the stigma being
minute, the radius very long and slender, the basal cells slightly sub-
equal in length.

Apenesia coronata, sp. nov.
(Pl im, Fic. 3, fg -)

é. Length,3™™. Black, shining, alutaceous; mandibles long, slen-
der, crossing each other at tips, bidentate, rufous; antenne 13-jointed
brown; pedicel longer than the first flagellar joint, joints 1 and 2 of
flagellum equal, a little longer than thick, joint a little longer, those be-
yond somewhat longer than the third; head nearly twice as long as wide,
a little wider before than behind, the vertex with several blister-like
elevations. Thorax smooth, without furrows, the pronotum nearly three
times the length of the mesonotum, narrowed before; scutellum sepa-
rated from the mesonotum by a delicate transverse furrow at base;
metathorax quadrate, with a longitudinal median carina. Wings
hyaline, the venation pale brownish, the stigma minute, the stigmal
nervure very long and slender; basal cells two, nearly equal. Legs
black, the tibiw, except at tips, piceous, tips of tibiz and tarsi pale or
whitish. Abdomen ovate, depressed, polished black, about as long as
the thorax.

HABITAT.—Bladensburg, Md.

Type in Coll. Ashmead.

For the single specimen of this rare insect, the first male to be de-
scribed in the genus and the first species to be detected in the United
States, Lam indebted to my friend Mr. E. A. Schwarz, who captured
it at Bladensburg, July 20, 1890.

CEPHALONOMIA Westw.

Loud. Mag. Nat. Hist., v1, p. 420, [1853]; Syn. Holopedina, Forst., Verh. naturh. Ver.,
preuss. Rheinl., 7. Jahrg., p.502 (1850); Férst., Hym. Stud., u, p. 125, 1856.

(Type C. formiciformis Westw. )

Head in 2 large, oblong-quadrate, flattened, in é more rounded; the
ocelli in the winged form, in both sexes, present; in the wingless female
absent.

Antenne 12-jointed, the pedicel larger than the first flagellar joint,
in ¢ filiform, nearly the length of the thorax, in 2 not or scarcely Jonger
than the head, submoniliform, not incrassated toward tips.

Maxillary palpi 4-jointed; labial palpi 3-jointed. ,

Mandibles 3-dentate.

Thorax elongate ovate, the prothorax large and triangular, narrowed

48 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

or rounded in front; mesonotum short, without furrows; scutellum
with a transverse furrow at base; metathorax subquadrate, rounded
behind.

Front wings with a very short submarginal vein, terminating in a
callous spot and a small stigma; costai cell open; the stigmal vein and
basal cells wanting. The 2 is usually apterous without ocelli, although
sometimes winged with the venation as in the male.

Abdomen ovate or oval, subpetiolate, the second and third segments
large, about equal, the following short, the posterior apical margins of
the segments usually straight.

Legs short, stout, the femora swollen, the anterior pair larger than
the others, tibial spurs, 1, 2, 2, claws simple.

For many years the true position of this genus was obscure. Prof.
Westwood in his original description stated it was allied to Teleas, and
Forster, as late as 1856, in his Hymenopterologische Studien, without
a personal acquaintance with it, incorporated it among the Diapriine.
It has been fully elucidated since, however, and properly placed by
Westwood in the Bethyline, details of which will be found in the Pro-
ceedings of the London Entomological Society for 1881, p. 125.

The degraded type of venation and the absence of basal cells readily
distinguish the winged form from other genera in the group; but with the
apterous forms it is quite different, and great care must be taken to
examine the mouth parts for the characters laid down in the table, or
one is apt to confuse them with Scleroderma.

Only three species are known in our fauna, which may be tabulated
as follows:

Winged -...55 << 2 on. Sane een sees en em enas someeeinen == ese ee mae aa= == =e 2

Wingless, without ocelli.
Entirely brownish yellow or honey-yellow....-.--.---.---.C.GALLICOLA Ashm.

Head, thorax, and legs rufo-testaceous, the collar anteriorly and the meta-
thorax waxy white.

Abdomen blackese eee see ee ne seisteteee a a eeeiots C. CYNIPIPHILA Ashm.
2. Polished black; legs piceous.
AV ion) O° wn yc) eet ee re eee C. HYALINIPENNIS Sp. noy.
Rufo-testaceous, collar and base of abdomen yellowish.
QV SES Ua Ea ype apc ere ere ee atte teeta tetera }, NUBILIPENNIS Ashm.

Cephalonomia gallicola Ashm.
(PI. 11, Fig. 6, 9.)
Selerochroa gallicola Ashm., Ent. Am., 111, p. 75,9 ; Cress., Syn. Hym., p. 247.

2 .—Length, 1.8™". Honey-yellow or pale brownish-yellow, smooth,
polished. Eyes small, round. Antenne 12-jointed, about as long as the
head; scape one-third the length of the head; pedicel a little longer than
thick; the flagellar joints all small, submoniliform. Abdomen pointed,
ovate, a little longer than the head and thorax united; the apical
margins of the second and third segments slightly emarginate.

Hasirat.—Jacksonville, Fla.

Type ? in Coll. Ashmead.

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 49

My specimens were bred from a cynipidous oak gall (Andricus folia-
tus Ashm.), and is probably parasitic on some coleopterous larva in-
habiting the gall.

Cephalonomia cynipiphila Ashm.
Sclerochroa cynipsiphila Ashm., loc. cit., u, p. 75; Cress., Syn. Hym., p. 247.

?.—Length,2™". Head, thorax, and legs rufo-testaceous, the collar
anteriorly and the metathorax waxy white, the abdomen black, pol-
ished. Antenne 12-jointed, a little longer than the oblong head;
seape slightly longer than one-third the length of the head, bent, nar-
rowed at base; pedicel twice as long as thick; flagellum very slightly
thickened at the middle, the first two joints very small, not longer
than thick, the following wider than long.

HABITAT.—Jacksonville, Fla.

Type in Coll. Ashmead.

Bred from a cynipidous oak gall (Holcaspis omnivora Ashm.). It is
not necessarily parasitic on the cynipid, as other insects, dipterous,
lepidopterous and coleopterous, were also reared from the gall.

Cephalonomia hyalinipennis, sp. nov.
CET ne Hoses aie)

6 2.—Length,1to1.5"™™. Polished black; scape and pedicel rufous;
flagellum brown-black; legs piceous; wings hyaline; tegule rufo-
piceous.

The female in this species agrees in all respects with the male except
in having a much longer and broader abdomen, it being broadly ovate,
fully twice as wide as the thorax, and in having a much longer head.

HABITAT.—Jacksonville, Fla.

Type in Coll. Ashmead.

The color and the female in having wings render the species easy of
identification.

The 6 was reared March, 1887, from the galls of Amphibolips cinerea
Ashm., while the 2 was bred April, 1887, from Holeaspis omnivora
Ashm.; but notwithstanding they came from different galls, I believe
they are sexes of one and the same species.

Mr. Ff. H. Chittenden has recently shown me several specimens of
what is evidently this same species, reared by him from the coleopteron
Hypothenemus eruditus, living in the dead twigs of the cultivated fig.
It differs from my type in having black femora.

Cephalonomia nubilipennis Ashm.

Holopedina nubilipennis Ashm., loc. cit., 111, p. 97.

é .—Length, 1.8™". Rufo-testaceous, smooth, impunctured; there
is a dusky blotch across the seutellum and on the disk of the abdo-
men; collar and base of abdomen yellowish. The antenne are 12-jointed,
pale brown, 14 times as long as the head; the scape a little more than
one-third the length of the head, the pedicel stouter than the flagellar

21899—No, 45——4

50 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

joints; the flagellar joints are longer than thick, the last twice as long
as thick, pubescent. Legs rufous, the femora and tibiae, at the mid-
dle, piceous. Wings subfuscous, with only an open costal cell.
HABITAT.—Florida.
Type ¢ in Coll. Ashmead.

LASLIUS Ashmead gen. nov.

(Type L. trogodermatis. )

Head oblong, nearly as wide across the eyes as long; in ¢ wider
across the eyes than long; eyes large, oval, hairy; ocelli3 in a triangle,
and larger in the ¢ than in the ¢.

Antenne 13-jointed, filiform, more than twice as long as the head in
the female, and in the male much longer; the scape is about one-third
the length of the head, cylindrical, very slightly bent, and a little
stouter than the flagellum; the pedicel in the 2 is a little longer and
stouter than the first flagellar joint, in the é slightly shorter; the
second flagellar joint slightly shorter than the first.

Maxillary palpi 4-jointed; labial palpi 3-jointed.

Mandibles curved, broadened, and truncate at tips, 5-dentate, the
outer tooth acute, followed by small teeth.

Thorax elongate, the prothorax very long, triangular, rounded in
front; mesonotum very short, without furrows; scutellum with a trans-
verse impressed line at base; metathorax oblong quadrate, abruptly
truncate behind, finely transversely rugulose, usually with 3 delicate
longitudinal carinze.

Front wings with two distinct basal cells, about equal in length, a
very short marginal and stigmal vein, and with the costal cell closed,
a vein running all along the outer margin.

Abdomen subpetiolate, pointed ovate, the third segment the longest,
the fourth about half the length of the third, the following short.

Legs moderate, pilose, the femora swollen, the anterior pair the
stoutest, the tibie subclavate, tibial spurs 1, 2, 2, the tarsi longer than
the tibiz, slender, claws simple.

In venation this genus resembles Bethylus, but the 13-jointed an-
tenn and the difference in the palpi readily separate the two; while
from Ateleopterus, which also has 13-jointed antenne, it is at once dis-
tinguished by the two basal cells and the short but distinct stigmal
vein.

Three species are known to me, which may be separated as follows:

Coxe and femora, except tips, black.

Wangshyaline' 2.203% sa 5s ode ecin ce aeee sete emestiaee L, TROGODERMATIS, sp. nov.

Legs rufous or reddish-yellow.

Anterior coxie black, the others usually dusky.
Metathorax with 3 carine on disk-<.2-.-2202 2.22: L. TRICARINATUS, Sp. nov.
All coxe pale.

Metathorax with 4 carinz on disk, transversely rugulose-.-L. RUFIPES, sp. nov.
Metathorax with 1 carina on disk, finely punctulate..L. NIGRIPILOSUS, Sp. NOY,

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID2. 51-

Lelius trogodermatis, sp. nov.

?. Length, 2.4™™. Black, highly polished, impunctured, but under
a high power exhibiting a fine alutaceous sculpture. Head very little
longer than wide, without pubescence; a short keel between antenne;
mandibles 4-dentate, honey-yellow; palpi pale. Antenne 13-jointed,
extending to tegule, pale brownish; scape basally black, about as long
as the pedicel and first two flagellar joints united; pedicel longer than
the first flagellar joint; second flagellar joint slightly shorter than the
first; those beyond nearly equal, quadrate. Thorax elongate, the pro-
notum three or more times as long as the mesonotum, the scutellum
with a transverse impressed line at base. All cox black; all femora,
except tips, black or piceous brown, the trochanters, tibiae, and tarsi,
honey-yellow. Wings hyaline, the venation yellowish. Abdomen a
little longer than the thorax, pointed ovate, black, shining, impunetate,
with sparse black hairs at apex. In the ¢ the head is slightly
wider than long; the antenne longer; the pedicel is a little shorter
than the first flagellar joint, the flagellar joints, after the first, being
about twice as long as wide, while the basal joint of the maxillary palpi
is Slightly swollen.

HABITAT.—District of Columbia (?)

Types in National Museum.

Described from 1 ¢ and 1 2 specimen, reared Noy. 1, 1884, from the
larva of Trogoderma tarsale in the Belfrage collection.

Lelius tricarinatus, sp. noy.

$¢@. Length 2.5 to 2.9™. Black; legs, except coxe, and artenne,
brownish-yellow. Antenne 13-jointed, twice as long as the head, the
pedicel and first flagellar joint about equal, the following shorter but
still all longer than thick. Mesonotum very short, without furrows.
Scutellum with a transverse fovea across the base. Metathorax longer
than wide, transversely rugulose, with 3 carinze on the disk. Wings
hyaline, the venation pale yellowish; marginal and stigmal nervures
very short, scarcely developed.

HABITAT.—District of Columbia and Florida.

Types in Coll. Ashmead.

This species is readily distinguished by the three longitudinal meta-
thoracic carine and by the anterior cox being always black. It comes
nearest to L. nigripilosus, and like that species is sparsely covered with
long black hairs.

Lelius rufipes, sp. noy.

?. Length3™. Black, shining, alutaceous, sparsely pilose; anten-
ne 13-jointed, brown; three basal joints, mandibles, palpi, and legs
rufous. Metathorax with 4 longitudinal carine on the disk, the surface
rugulose. Abdomen pointed ovate, shorter than the thorax, -polished

be BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

black, sparsely pilose. Wings hyaline or but faintly tinged, the vena-
tion pale, the marginal and stigmal nervures but slightly developed.
The antenne are rather long, the scape 24 times the length of the pedi-
cel; first flagellar joint shorter than the pedicel, the joints beyond all
longer than thick.

HABITAT.—Western States.

Types in National Museum and Coll. Ashmead.

Lelius nigripilosus, sp. nov.
(Pl. m1 Pic. 7,.9):)

é¢@. Length 18 to 2.5~™. Black, shining, faintly alutaceous, the
head in the 2 much wider than in the ¢, similar to the head in Gonio-
zus. Mandibles in 2 black, in ¢ rufous. Antenne 13-jointed, pale
brown; flagellar joints 1 to 3 nearly equal, about twice as long as
thick, the following shorter; in the 2? the flagellum is stouter and the
joints shorter than in the é. Mesonotum with 2 delicate furrows, in-
distinct or wanting in the male. Scutellum with a distinct transverse
furrow at base. Metathorax subquadrate, the dorsum with a single
central carina and with a scaly punctuation. Wings grayish-hyaline,
the nervures yellowish or pale, the marginal and radius very short,
scarcely developed. Legs ferruginous or reddish-yellow. Abdomen
in 2 conic-ovate, about as long as the head and thorax united, subpe-
tiolate; in ¢ ovate, much shorter than the thorax. Both sexes are
covered with long, sparse black hairs, more apparent in the male, and
denser on the head and towards apex of abdomen.

HABItTat.—Jacksonville, Fla.

Types in Coll. Ashmead.

BETHYLUS Latreille.
Hist. Nat., 11, 315 (1802); Férster, Hym. Stud., 1, 96 (1856).
(Type B. cenopterus Panz.)

Héad oblong, smooth; eyes broadly oval or rounded; ocelli 3, distinet,
prominent.

Antenne 12-jointed, filiform, moniliform, or setaceous; scape very
short; pedicelin ? alittle longer than the first flagellar joint, in ¢ shorter.

Maxillary palpi 6-jointed; labial palpi 3-jointed.

Mandibles short, curved, not very broad at tips, truncate, with 3 or
4 small teeth, the outer acute.

Thorax subovate; the prothorax triangular, rounded in front; me-
sonotum most frequently without furrows; short, transverse; metatho-
rax usually with delicate longitudinal keels, the apex subtruncate.

Front wings with a very small marginal vein, a short stigmal vein, and
two basal cells of an equal length; no traces of other veins or cells.

Abdomen ovate, pointed at tip, the third segment the longest, the
apical margins of the segments straight.

Legs short, stout, the femora much swollen, the anterior pair the

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID. 53

stoutest, the tarsi not or scarcely longer than the tibiv, slender, claws
simple.

This genus, the type of the subfamily, is of small extent, few species
in it having been discovered either in Europe or America.

It resembles my genus Lelius in venation, but the 12-jointed anten-
ne and the 6-jointed palpi readily distinguish it.

Our species may be tabulated as follows:

TABLE OF SPECIES.
FEMALES.

Abdomen with a strong constriction between the third and fourth segments.

ess, except coxe, reddish-yellow ----2_-. 2-2-2. -..- B. CONSTRICTUS, sp. nov.
Abdomen normal.

Megrsvhoney-yelloOwizc sco se ce as Skee aac casein seicese ese s B. PEDATUS, Say.

Legs black, tibiae and tarsi brownish, -.......--......-.-....-B. CENTRATUS, Say.

Bethylus constrictus, sp. nov.

?. Length 3™™. Black, shining, impunctured, with some sparse
black hairs. Head a little longer than wide. Antenne 12-jointed, less
than twice the length of the head, brown, the pedicel very small, the
flagellar joints very little longer than wide. The mesonotum shows
traces of furrows posteriorly. Metathorax finely, closely punctate,
subopaque, with raised longitudinal lines towards the base. Legs red-
dish-yellow, the coxe black. Wings dilute fuscous, the veins brown.
Abdomen black, highly polished, as long as the thorax, the petiole
very short, the second and third segments long, the latter the longer,
with a strong constriction between it and the fourth, the apex produced
into a stylus-like point, with long, sparse black hairs.

HABITaT.—Jacksonville, Fla.

Type in Coll. Ashmead.

Described from a single specimen, which is remarkable for, and easily
distinguished by, the constriction between the third and fourth abdomi-
nal segments.

Bethylus pedatus Say.
CELT Eo Ss OF)

Bost. Jour., 1, p. 279; Lec. Ed. Say’s Works, u, p. 727; Ashm. Ent. Am., II, p. 97;
Cress. Syn. Hym., p. 247.

2. Length 2.5™", Polished black, with sparse hairs. Head hardly
longer than wide. Antenne 12-jointed, 1§ times as long as the head,
honey-yellow. or pale brownish-yellow, fuscous at tips; the scape is a
little more than thrice as long as thick, the joints of the flagellum
searcely longer than thick. Mesonotum without furrows. Scutellum
‘with a transverse impressed line at base. Mesonotum finely punctulate,
with longitudinal raised lines or carine. Wings hyaline, very faintly
tinged, the venation yellowish. Legs dark honey-yellow, the cox

54 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

dusky. Abdomen as long as the thorax, polished, terminating in a
stylus-like point, with a few long hairs.

The ¢ differs only in its antennal characters and in having a broader
head. The antenne are nearly thrice as long as the head, filiform,
tapering at tips, the scape shorter, the joints of the flagellum a little
longer.

HABITAT.—Indiana, Florida, and Virginia.

Specimens in Coll. Ashmead.

I have had no difficulty in recognizing this and the following species
of Say’s from his remarks at the end of his description, as he says:
“This species and the following (Bb. centratus) are remarkable for the
brevity of the inflected tip of the radial nervure, which is not at all
arcuated, but points obliquely inwards.”

Bethylus centratus Say.
Lec. Ed. Say’s Works, 11, p. 727; Ashm. Ent. Am., 111, p. 97; Cress. Syn. Hym., p. 247.

?. Length 3™", Polished black, with some scattered hairs. Head
across the eyes fully as wide as long. Antenne 12-jointed, brownish-
piceous, the scape black, the pedicel yellowish, the joints of the flagel-
lum a little longer than thick. Mesonotum with 2 more or less dis-
tinct furrows. Metatheorax closely, finely punctured, with raised lon-
gitudinal lines. Wings subhyaline, the venation brown. Legs black,
the tibie and tarsi brown or piceous. Abdomen ovate, scarcely as
long as the thorax, polished black, with a slight projecting point at
apex.

HABITat.—Indiana, Colorado, and Florida.

Specimens in Coll. Ashmead.

EUPSENELLA Westwood.
Thes. Ent. Oxon. p. 168 (1874).
(Type E. agilis Westw.)
(Bla) Bae ete)
, Head oblong, subconvex, broader than the thorax; clypeus angu-
lated at the middle; eyes smooth; ocelli 3, distinct.

Antenne 13-jointed, rather short, the scape thickened, the 12 follow-
ing joints short nearly equal.

Maxillary palpi 6-jointed; labial palpi 3-jointed.

Mandibles stout, 5- or 6-dentate, the teeth obtuse.

Thorax: prothorax large, semicircular; mesonotum with 2 furrows;
metathorax transverse, the posterior angles rounded, between punc-
tured with a semicircular impression at base and a slender median
carina.

Front wings with a large stigma, a complete marginal, one submar-
ginal, two discoidal and two basal cells; the radial vein is recurved at
apex and the second discoidal cell is very long, extending beyond the
apex of the marginal cell.

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDZ. 55

Abdomen oblong ovate, smooth.

Legs short, the anterior femora especially stout; claws strongly
curved, dilated at base.

A genus described from Australia and unknown tome. Prof. West-
wood further describes the “ maxille as minute, terminating in 3
ciliated lobes; the mentum minute; the labium minute, membranaceous,
hairy.” The closed marginal cell and the two discoidal cells readily dis-
tinguish the genus from all others.

SIEBROLA Cameron.
Trans. Lond. Ent. Soc., 1881, p. 556
(Type 8S. testaceipes Cam.)

Head oblong.

Antenne 13-jointed, not much longer than the head; the scape
thicker than the other joints and as long as the following, the third
and fourth slightly longer than the succeeding and produced beneath
on the longer side; remaining joints not much longer than broad, dis-
tinctly separated from each other.

Palpi (?).

Mandibles (?).

Thorax (?).

Front wings with a stigma and a prostigma, the two being separated
by a hyaline space, costa thickened in front of the stigma; radial cell
completely closed; two humeral cells unequal and closed; from the
upper end of the lower (and smaller) cellule there proceeds a small
oval cellule, which is united to the prostigma by a short thick nervure,
so that the upper humeral cellule is thus completely closed. From
the end of the radial cellule runs to the edge of the wing a white
spurious vein; another runs in the same direction from the small oval
cellule above mentioned, the two being united by a cross nervure half.
way between the radial cellule and the apex of the wing; another
spurious vein runs from the lower humeral cellule to the bottom of the
wing.

Abdomen longer than the head and thorax, the third and fourth
segments contracted in the middle at the junction; in length subequal;
the last is acuminated.

Legs as in Perisemus.

A genus unknown to me and not yet recognized in North America,
the type, S. testaceipes Cameron, coming from the Sandwich Islands.
The species described by me as such, 8. maculipennis, Entomologica
Americana, vol. Ift, p. 75, is a peculiar little braconid belonging to the
subfamily EHuphorine, and will probably form the type of a new genus.

According to Cameron: “This genus differs from all the genera of
the Bethylloide in having the radial cellule completely closed and in

56 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

the presence of the small oval cellule uniting the humeral cellules. It
comes nearest to Goniozus Forster. In the shape of the prostigma it
more resembles Perisemus.”

Cameron does not appear to be acquainted with Hupsenella Westw.,
which also has a closed radial cell and next to which I have placed it,
believing it closely allied.

Since the above was written I have received from Mr. G.C. Davis, of
Agricultural College, Michigan, a remarkable male Bethylid, taken in
South Dakota, that agrees with Sierola in having a closed marginal
cell, but in other particulars differs so widely as to lead me to believe
it will yet, prove quite distinct and form the type of a new genus.

As Mr. Cameron, however, in his diagnosis, fails to define the palpal,
mandibular, and thoracic characteristics of Sierola, I am unable to de-
cide the question at present, and rather than run the risk of creating a
Synonymn prefer to describe it doubtfully under this genus. The front
wing is represented on Pl. rv, Fig. 2.

(?) Sierola ambigua sp. noy.
(BUY, ee)

& Length about 4.5™™, Black, polished, finely sericeous; sutures
of trochanters, extreme tips of all femora and tibiz and tarsi, except
last joint, honey-yellow; tibial spurs 1, 2,2; claws with a small tooth
at base; wings subfuscous; palpi fuscous.

The head is transverse, not quite as broad as the mesothorax between
the wings; ocelli 3, triangularly arranged; eyes oblong-oval, bare, reach-
ing not quite to the base of the mandibles; antennz 13-jointed, filiform,
extending to base of metathorax; scape subglobose, obliquely truncate
at tip; pedicel smail, rounded; first flagellar joint scarcely two-thirds
the length of second; the second joint longer than any other except
the last, the third and following to last joint very gradually shortened
the last a little longer than the second. Thorax shaped much as in
Epyris, except that the metanotum is smooth and polished instead of
rugose; the pronotum is large, trapezoidal, the collar anteriorly trans-
versely impressed; the mesoscutum with two deep parapsidal furrows,
and with a longitudinal furrow onthe parapsides; scutellum with a trans-
verse furrow at base; metathorax subquadrate, the posterior angles
slightly rounded, marginedatsides. Wingsample,subfuscous, the vena-
tion as in figure, brown-black or fuscous; the marginal cell closed and
not longer than the stigma; the second recurrent and second transverse
cubital veins partially visible as hyaline lines. Abdomen lost.

HABITAT.—Brookings, S. Dak.

Type in coll. Ashmead.

Described from a single specimen kindly given me by Mr. G. C.
Davis.

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDZ, |

CALYOZA Westwood.
(Pl. 1v, Fig. 3, 3.)
Thes. Ent. Oxon., p. 156. 1874.
(Type, C. staphylinoides Westw.)

Head large, subeonvex; eyes placed at the side of the head before
the middle; ocelli distinct.

Antenne 13-jointed, joints 2 and 3 minute, joints 4 to 12 in ¢ ramose,
in 2 simple, cylindrical.

Maxillary palpi moderately elongated, 6-jointed, joints 1 and 2 short,
the 4 following longer, nearly equal and gradually more slender; maxilla
small, terminating at apex in three flat, membranaceous, ciliated lobes;
labial palpi short, 3-jointed; mentum subobovate.

Mandibles elongate, in ¢ broadly obliquely truncate at apex, with a
large apical tooth, followed by small obtuse teeth; in 2 with large irreg-
ular teeth, internal tooth obtuse; beneath armed with rigid bristles; the
apical middle tooth large, triangular; external small, obtuse.

Thorax: Prothorax large, subtriangular, anteriorly rounded; meso-
thorax without furrows; metathorax longitudinally suleate and trans-
versely striolated.

Front wings with a large stigma, an incomplete marginal and two
basal cells.

Legs of the usual form; claws acute, broad at base, and armed with
a tooth at the middle.

A genus not found in America, north of Mexico, but readily known
by the branched antenn in the male.

EPYRIS Westwood.

Phil. Mag., 1832, p. 129; Hal. Ent. Mag., Iv, p. 432; Forst. Hym. Stud., 1, p. 96;
Westw. Thes. Ent. Oxon., p. 157.

(Type, E. niger Westw.)

Head oblong, not much longer than wide, subconvex, wider than
thorax; eyes hairy; ocelli distinct.

Antenne 13-jointed, long, slender, cylindrical, much shorter in ?, the
scape thickened and several times longer than the pedicel, the follow-
ing joints short, submoniliform, nearly equal in length.

Maxillary palpi long, 6-jointed, the three basal joints thickened, the
first minute, the second and third gradually longer, the last three long,
slender; maxilla terminating in two oval membranaceous lobes, ciliated
at apex; labial palpi 3-jointed, the joints gradually becoming longer;
mentum small, somewhat broad at apex.

Mandibles falcate, the apex oblique, 5-dentate, the outer tooth large,
acute.

Thorax: Prothorax triangular, the apex rounded and with a deep
transverse furrow above; mesothorax trapezoidal, the mesonotum with
two distinet furrows; scutellum with a transverse furrow or fovea at
base; metathorax transverse or subquadrate, longitudinally carinated,

58 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Front wings with a moderate sized stigma, an incomplete marginal
and two basal cells, the discoidal cells obliterated; the basal cells are
about equal in length, the first oblique at apex, the second rounded or
somewhat angulate.

Abdomen ovate, subpetiolate, segments 2 and 5 the longest; the
apical margins of the segments are entire.

Legs stout, the femora much swollen, especially the anterior pair,
claws often with a tooth towards the base.

This genus might easily be mistaken for forms in Calyoza, Mesitius,
and Isobrachium. The much swollen fore femora separate it from [so-
brachium; the transverse fovea or grooved line at the base of the seu-
tullum from Mesitius ; while the bilobed maxilla separates it from Caly-
oza; but when one is in doubt, or until one becomes familiar with the
habitus of the genus, the full generic description must be consulted.

It is quite well represented in our fauna and no doubt many new
species will be discovered when the Proctotrypide are more carefully
collected.

The species at present known to me may be thus tabulated:

TABLE OF SPECTES.
FEMALES.

Cox and legs rufous or pale rutous Sees sect ~ eset seacie mace ces cse ees eee 2
Coxe black.
Legs rufous, the femora more or less fuscous or dusky.
Wings subhyaline.
Head and thorax xeneous-black; metathorax with 5 longitudinal raised lines
with transverse lines between..-........- E. OCCIDENTALIS, sp. nov.
Legs and antennie rufous.
Wings subfuscous.
Head and thorax opaque black, very finely, closely punctulate; metathorax
with a central raised line, the surface on each side being reticulate

with raised lines, § .............-..--..- E. CARBONARIUS, 8p. nov.

2: Head black; not ‘at ‘all «metalllicl222 ese. cece seen ot eee oe eee eee ee eee
Head neous, abdomen bluish.

Wangs: fascous: 4s Sn sscee rt eaee abet cae be oe ee eee E. ©NEICEPS, sp. noy.

3. Front coxe black; antennze and legs rufous.
Wings subfuscous.
Metathorax with many longitudinal raised lines and irregular crosslines be-
tween; apex of abdomen rufous. ..........<.-..-.--- E. ANALIS Cr.
All coxe and legs rufous or honey-yellow.
Wings subhyaline.
Head not unusually large or broad.
Metathorax with 6 or 8 raised longitudinal lines.
Head and thorax black.
Mesopleura foveated; mandibles 5-dentate..........--.- E. RUFIPES, Say.
Mesopleuraareolated; mandibles 6-dentate -...E. COLUMBIANUS, sp. nov.
Head and thorax with a bluish tinge, or submetallic....E. GRANDIS, Ashm.
Head very. darge-and broads co.cc esac eee E. MEGACEPHALUS, sp. noy.

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDZ. og

Epyris occidentalis, sp. nov.

?. Length 5™™, Aineous black, shining; head with sparse, dis-
tinct punctures; mandibles large, 5-dentate, rufous; palpi and antennee
rufous, the latter brownish toward tips. Metathorax with 5 longitudi-
nal carine, the two lateral abbreviated before attaining the posterior
margin, the surface between the carine transversely rugulose, sides
finely longitudinally striate. Wings yellowish-hyaline. Legs rufous,
the coxe blackish, the anterior pair always black, anterior and posterior
femora blackish or rufo-piceous.

6. Length4.5™", Agrees with female in color except the posterior
coxe are blackish and the antennie are brown; structurally it differs
in the long, acuminate antenne, the joints being at least 3 times as
long as thick; and in having a smaller less pointed abdomen.

HAsBiTatT.—California.

Types in Coll. Ashmead.
Described from 1 ¢ and 1 2 specimen.
Epyris carbonarius, sp. nov.
(Rls tive Hip t)

6. Length 3.5™", Black, opaque, closely, finely punctate, sparsely
covered with a glittering white pubescence. Head very large, one-
fourth longer than wide. Antennie, mandibles, palpi and legs rufous,
the coxe black. Antenne 13-jointed, extending beyond the tegule;
the scape curved, narrowed basally, three times as long as thick at the
tip; pedicel wider than long, hardly half as long as the first flagellar
joint; the first and second flagellar joints about equal, much longer
than thick; remaining to the ultimate, shorter but all of about an
equal length, the ultimate longer and thinner, 24 times as long as thick.
Prothorax longer than wide, laterally impressed; mesonotum broader
than long, without distinct furrows, although with a strong lens faint
traces of them can be discerned anteriorly; scutellum with a trans-
verse impressed line at base; metathorax longer than broad, finely
punctate, slightly rugose basally, with a trace of a median longitudi-
nal carina. Wings fusco-hyaline, the venation brown, the stigma sub-
quadrate, the transverse median nervure oblique, with a spurious
nervure almost interstitial with the median nervure.

HAstITat.—District of Columbia.
Type in Coll. Ashmead.
Epyris zneiceps, sp. nov.

?. Length 4™™, Bluish neous; the head with a slight greenish
metallic luster, sparsely punctate; mandibles, palpi, antenne, and
tegul, rufous; wings subfuscous; metathorax with 5 close, longitudi-
nal carinz on disk, interstices and laterally, transversely rugulose, the
abrupt sides longitudinally striated.

HABITAT.—Fort Capron, Fla.

Type in Coll. Ashmead.

Described from a single specimen taken by Mr, E. A. Schwarz.

60 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.
Epyris analis, Cress.

Trans. Am. Ent. Soc. Iv, p. 193, 9; Ashm. Ent. Am., 11, p. 76; Cress. Syn. Hym.,
p. 247.

2. Length6™™, Head and thorax dark metallic green, shining,
sparsely clothed with pale pubescence; head subquadrate, flattened,
rather closely and finely punctured; mandibles dark ferruginous; palpi
whitish; antenne short, robust, ferruginous; pro and mesothorax
sparsely and finely punctured ; metathorax black, quadrate, abrupt later-
ally and abruptly truncate at tip, above minutely and transversely aci-
culated, the disk with 4or5 approximate longitudinal carine, posterior
face transversely aciculated, the sides longitudinally so; tegule ferrugi-
nous, wings tinged with yellowish-fuscous; legs short, robust, pale
ferruginous, anterior coxe black, all the femora incrassated; abdomen
elongate ovate, smooth and polished, black, immaculate, apex ferru-
. ginous.

HABITAT.—Texas.
Type in Coll. American Entomological Society.

Epyris rufipes, Say.

Bethylus rufipes Say, Lec. Ed. Say’s Works 1, p. 221.
Epyris rufipes Cr. Trans. Am. Ent. Soc. Iv, p. 193; Ashm, Ent. Am. 11, p. 76;
Cr. Syn. Hym., p. 247.

@. Length4™™. Black; head large, with sparse punctures; eyes
hairy; mandibles large, broad, rufous, 6-dentate; legs and antenne ru-
fous, the latter a little dusky at tips.

Antenne 13-jointed, long, the scape as long as the first three flagellar
joints together; flagellum tapering off at tip, the first joint the smallest,
the others all much longer than thick. Thorax coriaceous, the meta-
thorax with longitudinal raised lines, the surface between transversely
rugulose. Wings subhyaline, the nervures brownish, the radius very
long. Abdomen ovate, pointed at tip, sparsely hairy, black and polished,
the extreme apical edges of segments 3 to 6 rufous.

HABITAT.—Indiana and Southern States.

Specimens in Coll, American Entomological Society and Coll. Ash-
mead.

Epyris columbianus, sp. nov.

2. Lengthd™™. Black, shining, coriaceous; head sparsely punctate,
mandibles rufous, large, 6-dentate; antenne, except flagellum, legs and
tegule rufous; flagellum dusky; wings subfuscous. Metathorax with
5 longitudinal carinze on the disk, the two between the central and the
outer abbreviated, the outer curving outwardly towards apex, the sur-
face transversely rugulose.

The ¢ is only 4™” in length, and agrees with the female, except
that the antennie are longer, the flagellar joints being 24 times as long
as thick, the thorax with some sparse punctures, the abdomen elongate,

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID. 61

tke second, third, and fifth joints about equal, the fourth being only
half the length of the third.

HaAsBirat.—Washington, D. C., and Jacksonville, Fla.

Types in Coll. Ashmead.

Distinct from E£. rufipes Say in its larger size, darker wings and the
6-dentate mandibles.

Epyris grandis Ashm.
Goniozus grandis Ashm, Ent. Am. 111, p. 76; Cress. Syn. Hym., p. 247.

$. Length 6.25™™. Polished black, with a few faint scattered pune-
tures. -Head one-fourth longer than wide, carinated between the bases
of antenne. Mandibles rufous, piceous at base. Palpi pale. An-
tenn 13-jointed, long, filiform, brown, tapering at tips and extending
to the apex of the metathorax; the scape is only twice as long as thick
at tip; the pedicel a little shorter than the first flagellar joint, not
longer than thick; the first flagellar joint slightly longer than thick and
about one-fourth shorter than the second; the remaining joints longer,
about equal in length but becoming slenderer towards the apex. Pro-
thorax as long as the head, trapezoidal; mesonotum with two abbre-
viated furrows in ¢, entire in 2; scutellum with a furrow across the
base; metathorax quadrate, with numerous faint raised lines at base;
mesopleura smooth with a round fovea just beneath the tegule, and
divided into two parts by a longitudinal furrow which extends from
tegule to middle cox. Wings hyaline, the venation brown, the trans-
verse median nervure arcuate outwardly with a spurious vein directed
towards the disk of the wing.

HABITAT.—Jacksonville, Fla.

Types ¢ and 2 in Coll. Ashmead.

The spurious backward directed vein from the transverse median
nervure caused me to confound it with the genus Goniozus in my orig-
inal description of the species.

Epyris megacephalus, sp. nov.

?. Leéength,6™. Mneous black; head large, broader than the tho-
rax, rather closely, strongly punctate; mandibles large, the fourth
tooth very broad; antenne and legs rufous, the anterior coxe black;
metathorax with several longitudinal carine on the disk, the surface
transversely rugulose, the surface at posterior angle smooth, polished.
Abdomen pointed ovate, shorter than the thorax, smooth, polished; the
apical margins of the segments, after the second, narrowly rufous; seg-
ments 2, 3, and 4 neariy equal, longer than the following.

HABITAT.—California.

Type in Coll. Ashmead.

Described from a single specimen.

62 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

MESITIUS Spinola.

Compte. rendu Hym, de Para (1846); Mém. Acad, Turin, Sér. 11, tom 13 (1853);
Westw., Thes. Ent. Oxon., p. 222.

(Type WM. ghilianii Spin.)

Head oblong, subconvex, not much longer than wide; eyes oval;
ocelli distinct.

Antenne 13-jointed, in é long, in 2 much shorter, the scape thickened,
about four times as long as the pedicel, the following joints short.

Maxillary palpi rather long, 6-jointed, the three basal joints gradu-
ally increasing slightly in length, the three terminal ones longer and
subequal; maxilla terminates in three membraneous ciliated lobes;
labial palpi 35-jointed, the joints nearly equal.

Mandibles oblong, with the apex oblique and but slightly sinuated ;
in the 2 the outer tooth is small, acute, followed by a very small tooth,
the rest of the surface scarcely denticulate; in ¢ 4- or 5-dentate.

Thorax: Prothorax long, triangular or trapezoidal, the apex at the
junction with the head contracted, with a deep transverse furrow above;
niesonotum usually with two distinet furrows, often abbreviated poste-
riorly; scutellum with two fover at base; metathorax with prominent
posterior angles, the dorsum with many longitudinal carine.

Front wings with a moderate sized stigma, a long, incomplete marginal
cell and two basal cells, the apices of both being more or less oblique.

Abdomen ovate or oblong-ovate, smooth, the second segment the
longest, the apical margins sinuate or emarginate.

Legs as in Ypyris, the claws slender, nearly straight, with a tooth at
the middle.

This genus closely resembles Hpyris and great care is necessary to
distinguish it from that genus. As far as the North American species
are concerned I have had no difficulty in separating them by the two foveze
at the base of the scutellum.

Westwood, in Thesaurus Entomologicus Oxoniensis, p. 222, and in the
Transactions of the Entomological Society of London, 1881, p. 125,
states that the genera [sobrachium Forster (Hym. Stud., i, p. 96, 1856)
and Heterocelia Dahlbom (Hym. Europ., 11, p. 21, 1854) are synony-
mous with Mesitius, an opinion in which I can not coneur. The apical
segments of the abdomen of Heterocelia nigriventris Dahl., the type
of the genus, is figured by Dahlbom, loc. cit., p. 23, and it, as well as
the description, plainly point to a chrysidid. Dahlbom also figures it
on Pl. 1, Fig 15. A eareful comparison of this figure with Westwood’s
(Thes., Pl. 31, Fig. 10) plainly shows that Dahlbom has a genuine
chrysidid and Westwood a genuine proctotrypid.

It is inexplicable to me how so careful a worker as Westwood could
have made so grave an error. Forster, in his definition of the genus
Isobrachium, evidently confused and correlated as sexes two distinct
insects. His Isobrachium dichotomus is a?, and evidently a genuine

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDZ. 63

Mesitius, while its supposed 6, Omalus fuscicornis Jurine, is a genuine
Isobrachium. An error of this kind does not necessarily invalidate
the genus, the male still holding good as the type of the genus. A
male specimen of Omalus fuscicornis is in my collection, and although
it closely resembles males of Hpyris and Mesitius it is quite distinct, as
I have pointed out, and it is here made the type of the genus Jsobra-
chium Forster.

The following table will be found useful in separating the North
American species:

TABLE OF SPECIES.

Coxcrancd ers pale LuLous OL hone y=vellow: 42-25-26 sci 2s 26 2) Sees aocee. sD
Coxe and femora black; wings subhyaline or fuscous.
Antenne and legs black, the tarsi fuscous f .-..........- M. MONTICOLA Ashm.
Antenne and legs dark rufous? -............-:- M. VANCOUVERENSIS, sp. nov.

Front coxie and femora black, middle and posterior femora rufous, or only
slightly dusky.
Trochanters, tibiz, and tarsi rufous.
MMS SMUPUSCOUS Piao 6 2s notes hose. esc Does see M. NEVADENSIS, sp. nov.
Wings hyaline.
Anterior tibize and tarsi and middle and posterior legs fuscous; antennze
davies COussiie seca es sete e en se a M. MINUTUS, sp. nov.
Anterior tibiz and tarsi and middle and posterior legs, brownish-yellow ;
their femora more or less dusky; antennz rufous ¢.
M. CALIFORNICUS, sp. nov.
2. Wings subhyaline.
Legs brownish-yellow or pale rufous.
Tip of abdomen not rufous; metathorax with about 7 raised lines, the lateral
abbreviated; ¢ antenne fuscous; 9 antenne yellow.
M. BIFOVEOLATUS, sp. nov.
Tip of abdomen rufous; metathorax with about 12 raised lines 9.
M. TEXANUS, sp. nov.
Wings not fully developed, reaching only slightly beyond base of abdomen.
Meo smnrmtousee: ase seeetossee oct sec se Seater te We M. BRACHYPTERUS, sp. nov.

Mesitius monticola Ashi.
Enyris monticola Ashm. Bull. No. 1, Col. Biol. Assoc., p. 8. 1890, ¢.

6. Length 4™™,. Black, smooth, shining. Head sparsely punctate,
each ocellus surrounded in front by a depression. Antenne black,
covered with a fuscous pubescence, 13-jointed, reaching to the middle
of the metathorax, the first joint the thickest, the length of the fourth,
the second joint the shortest, the third slightly longer, the fourth and
following joints slightly longer than the third and about of an equal
length or very nearly so; terminally the antenne are a little thinner than
atbase. Thorax above with some rather long, fuscous hairs, trapezoidal,
the mesonotum with two grooves, slightly converging toward each other

| posteriorly but still widely separated. Scutellum flattened, with two
small, widely-separated fovez at base, each fovea being exactly opposite

64 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

the termination of the mesonotal grooves. Mesopleura finely, microscop-
ically sculptured, with a rounded impression or fovea at the middle.
Metathorax quadrate, truncate behind, the margins delicately keeled
and a delicate longitudinal keel down the center, the disk toward the
base delicately longitudinally wrinkled; on each side, between the
wrinkled portion and the lateral margins, is a smoother space that
exhibits a minutely transverse strigose sculpture; the truncature is a
little depressed in the middle and with a delicate median keel. Legs
black; the tibiz and tarsi are rather densely covered with a brownish
pubescence and in consequence appear brown. Abdomen black, pol-
ished, the second segment the longest. Wings hyaline, veins brown;
the second basal cell is half the length of the basal nervure longer
than the first, the radius very long, as long as the second basal cell.

HABITAT.—Wales Canyon, Colorado.

Type ¢ in Coll. Ashmead.

Described from a single specimen, received from T. D. A. Cockerell.
DS 9

Mesitius vancouverensis sp. nov.

(Pl. rv, Fig. 5, 2.)

?. Length 64™™. Black, shining, impunctured, except a few small
scattered punctures on the head and thorax. Head oval, 14 times as
long as wide. Mandibles and palpirufous; the large outer tooth black.
Antenne 13-jointed, acuminate at tips, extending to base of meta-
thorax, the flagellar joints after the first all longer than thick, the first
about equal with the pedicel, not, or scarcely, longer than thick. Pro-
thorax very long, three times the length of the mesonotum, the latter
with 2 parallel furrows, faint anteriorly, more deeply impressed posteri-
orly; scutellum with 2 fovee at base directly opposite the mesonotal
lines; metathorax almost smooth, quadrate; there is a median longitu-
dinal carina extending to the apex and the surface on each side is finely
sculptured. Tegule pale rufous. Wings subfuscous, the venation
brown; the stigmal vein is very long, almost forming a closed radial
cell; the transverse medial nervure is strongly angularly curved, so
that its apex is parallel with the apex of the basal nervure. Legs
black, the tibize and tarsi dark rufous: Abdomen ovate, shorter but
wider than the thorax, black and shining, with the extreme apical edges
of the segments tinged with rufous, sparsely pilose.

HABritTat.—Vancouver Island.

Type 2 in Coll. Ashmead.

Described from a single specimen received from W. Hague Harring-

ton.
Mesitius nevadensis sp. nov.

2. Length 6™™, Very close to M. vancouverensis, but differs as fol-
lows: The legs, except the front coxe and femora, are rufous, the mid-
dle and posterior femora rufo-piceous; mandibles terminating in a

: MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID&. 65

long blunt tooth, the surface within obtuse, scarcely denticulate, while
the flagellar joints, after the first, are twice as long as thick,
HABITAT.—Nevada.
Type 2 in Coll. Ashmead.

Described from a single specimen.
Mesitius minutus, sp. nov.

é. Length, 2.2™™, Black, shining, the surface minutely coriaceous,
very finely sparsely pubescent. Head a little longer than broad across
the eyes. Mandibles rufous, not broadened at tips, the outer tooth
acute, followed by about 4 very minute denticulations. Antenne 13-
jointed, long, brown; scape stout, not more than twice as long as thick
and very little longer than the first funiclar joint; pedicel and first
funiclar joint about equal; the remaining joints longer, fully thrice as
long as thick. Prothorax twice as long as the mesonotum, rounded
anteriorly; mesonotum with 2 furrows more deeply impressed _poster-
iorly; scutellum with two oblique fovew opposite the mesonotal fur-
rows; metathorax subquadrate, the posterior angles a little rounded,
minutely coriaceous, with a median longitudinal carina and some very
short raised lines at base. Tegulie brownish-yellow. Wings hyaline,
the venation yellowish or pale; the transverse medial nervure curved
outwardly. Legs rufous, cox and anterior femora black, the middle
aud posterior femora fuscous. Abdomen polished black, shorter than
the thorax, the third segment one-third longer than the fourth.

HABITAT.—Atlington, Va.

Type ¢ in Coll. Ashmead.

Described from a single specimen.

Mesitius californicus, sp. nov.

2. Length, 3.1™™, Polished black, the head alutaceous. Head
oblong, 14 times as long as broad, the eyes whitish. Mandibles brown-
ish-yellow, truncate but not broadened at apex; the outer tooth acute,
followed by about 4 minute teeth. Antenne 13-jointed, extending to the
tegule; scape stout, piceous, as long as the three fi lowing jvints united,
a little curved and narrowed at base; flagellum brown, tapering towards
tip; pedicel and first flagellar joint about equal, the following joints
1} times as long as thick, the last longer. Prothorax fully thrice as

‘long as the metanotum, rounded before; mesonotum with 2 nearly
parallel furrows and a delicate short line on the Scapule; seutellum
with 2 oblique fovex at base; metathorax about 1s times as long as
wide, minutely sculptured with a median carina and some faint, short,
irregular raised lines at base. Wings hyaline, very faintly tinged, the
hervures brown, the venation as in vancouverensis. Legs rufous, cox
and anterior femora black, middle and posterior femora more or less
piceous. Abdomen oblong ovate, nearly as long as the thorax, black,

21899—No. 45 o

66 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

sparsely pilose, especially at tip; the extreme apical margins of seg-
ments very slightly rufous.

HaApsirat.—California.

Types ° in Coll. Ashmead and National Museum.

Described from several specimens.

Mesitius bifoveolatus, sp. nov.

9. Length, 5.5"™, Polished black, impunctutred, the surface micro-
scopically alutaceous; antenn, mandibles, and legs entirely rufous,
Head about one and a half times as long as wide. The outer tooth of
mandibles large, acute. Antenne 13-jointed, reaching to the tegule,
twisted; the scape swollen, as long as the 4 following joints; pedicel
longer but slightly narrower than the first flagellar joint; the flagellar
joints very slightly but gradually increasing in length, the first wider
than long, the last very slightly more than twice as long as thick.
Prothorax three and a half times as long as the mesonotum, rounded
before, the superior edge of collar rufous; mesonotum with 2 distinct
furrows on a delicate line on the scapule; scutellum with 2 oblique
fovee at base; metathorax quadrate, with numerous raised lineations
at the middle and base, almost smooth towards the lateral margins, the
truneate sides and apex microscopically striated. Tegule yellow.
Wings subhyaline, the venation yellow and as in vancouverensis. Ab-
domen pointed ovate, much shorter than the thorax, polished black,
pilose towards apex and with the extreme edges of apical margins of
the last three or four segments rufous.

The 2 is from 3.5 to 4"™" Jong and is recognized at once by the long
fuscous antenne, as long, or nearly as long, as the body, the first flagellar
joint being half again as long as the pedicel, the joints beyond fully
four times as long as thick, the last 5 or 6 times as long as thick, and
by the more fuscous wings; otherwise it is quite similar.

HABITAT.—Georgia, Florida, Canada.

Types in National Museum and Coll. Ashmead.

Described from several specimens.

Mesitius brachypterus, sp. nov.

@. Length, 3.6"™. Polished black, with only a few scattered pune-
tures on the head and prothorax. Head oblong, one-fourth longer than
wide. Antenne 13-jointed, pale ferruginous, about twice as long as
the head; scape as long as the first three joints of the flagellum united ;
pedicel a little longer than wide; first flagellar joint not longer than
wide and narrower than the following joints, which are slightly longer
than thick. Prothorax long, as long as the head; mesonotum very
short, scarcely as long as the scutellum, with 2 delicate furrows con-
verging posteriorly and terminating in a rounded puncture before at-
taining the posterior margin; scutellum with 2 oblique fove at base;
metathorax quadrate, finely shagreened at base, with a faint median

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID&. 67

Jongitudinal carina. Wings not fully developed, reaching only to the
tip of the first abdominal segment. Legs rufous, the anterior femora
above slightly fuscous. Abdomen pointed ovate, black, shining, sparsely
pilose, the apical margins of the segments tinged with rufous.

BABITAT.—Carolina.

Type 2 in Berlin Museum.

Described from a single specimen, labeled “Carolina, Zimmermann.”

Mesitius texanus, sp. nov.

?. Length 3.2™". Apterous; black, shining; head oblong, feebly
sparsely punctate; thorax coriaceous; antenne, mandibles, and lees
brownish-yellow; metathorax with a single central longitudinal carina,
and three or four very short raised lines on either side at base. Abdo.
men ovate, as long as the thorax and much wider, polished black, the
apical margin of the third and following seginents narrowly testaceous.
The pedicel and the first flagellar joint are about equal, smaller than
the following, the following joints being a little longer than thick.

HABITAT.—Texas.

Type in Coll. Ashmead.

Described from a single specimen, distingushed by the absence of
wings.

ANOXUS Thomson.
Ofvers. af K. Vet.—Akad., 1861, p. 452.
(Type 4. boops Thoms.)

Head oblong; the ocelli 3, in a triangle on a slight prominence, in
? subobsolete; eyes in 6 oblong, in 9 more rounded, slightly hairy.

Antenne 12-jointed, filiform, submoniliform in both sexes, in the
é pilose.

Maxillary palpi short, 4-jointed; labial palpi 3-jointed.

Mandibles short, tridentate at apex, the outer tooth acute.

Thorax smooth, without furrows, the prothorax in 2 much elongated,
in é short, rounded anteriorly; mesonotum very short; scutellum bifov-
vated at base; metathorax subquadrate, truncate posteriorly.

Front wings with two basal cells of nearly an equal length, and a
long radial or stigmal vein; the stigma is minute, quadrate, smaller
than the parastigma.

Abdomen ovate subpetiolate, the third segment the longest.

Legs as in Bethylus.

A genus allied to Epyris and Mesitius, but readily distinguished by
the 12-jointed antenna, mesonotal, mandibular and palpal characters.
The venation also sufticiently separates it from Bethylus and Cephatlo-
nomia.

Two species have been discovered as follows:

68 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Anoxus Chittendenii, sp. noy.
(Bly, Big 6500>)

é. Length, 1.5". Black, shining, impunctured, except the pleura
and metathorax. The head is very slightly longer than wide, with a
prominent clypeal carina. Mandibles short, black or piceous, the outer
tooth conic acute. Hyes oval, slightly hairy. Antenne 12-jointed,
piceous, extending beyond the base of the metathorax, sparsely covered
with white hairs; the scape is about the length of the eye or twice
as long as the pedicel; the first flagellar joint is slightly smaller than
the second; remaining joints very slightly larger, the last the longest,
fusiform. Prothorax as long as the mesonotum and scutellum together,
rounded before; mesonotum broader than long with a slight impressed
scapular line near the tegulie; scutellum small, rounded posteriorly,
with an impressed line at base; mesopleura with a small round fovea
on the disk; metathorax quadrate, truncate behind and a little con-
tracted at sides towards the insertion of hind wings, the angles slightly
rounded, the dorsum closely punctulate. Wings hyaline, fringed, the
venation pale, the anal nervure in consequence almost obliterated.
Legs piceous black, the tarsi white. Abdomen shorter than the thorax,
depressed, black, smooth, and shining.

HaApsirat.—lIthaca, New York.

Types in National Museum and Coll. Ashmead.

Described from 3 specimens, received from Mr. F. H. Chittenden,
and in honor of whom the species is named. Mr. Chittenden informs
me he reared them from a coleopteron, Cis sp.

Anoxus levis, sp. nov.

@. Length, 2.2". Polished black, impunctured. Head a little
longer than wide; ocelli subobsolete, partially hidden; eyes large, ob-
long-oval, with a wide space between them and the mandibles, the
cheeks separated from the face by a grooved line. Antenne 12-jointed,
twice the length of the head, piceous; scape clavate, about one-third
the length of the head, pedicel larger than the first flagellar joint; re-
maining joints, except the last, submoniliform, the last twice as long
as the penultimate. Prothorax long, narrowed in front, about four
times as long as the mesonotum; seutellum with 2 oblique fovew
at base; metathorax much longer than wide, with a median carina,
towards the base minutely shagreened. Wings hyaline, ciliated, the
venation yellowish; the radial vein is very long, nearly one-half longer
than the first basal cell. Legs piceous black, the trochanters, a dot at
base of tibiz and tarsi, rufous. Abdomen pointed-ovate, highly pol-
ished black, a little shorter than the thorax, the third segment the
longest.

HABITAT.—Washington, D. C.

Type 2 in Coll. Ashmead.

Described from a single specimen taken on a window pane.

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDZ. 69
Anoxus musculus Say.

Bethylus musculus Say, Bost. Jour., 1, 280; Lee. Ed. Say, m1, p. 726; Cress. Syn.
Hym., p. 247.

Black; antennee and feet yellowish; abdomen depressed.

Inhabits Indiana.

Body somewhat polished, impunctured, black; antennwe dusky, honey-yellow
towards the base; mandibles honey-yellow; thorax with the anterior segment not
much elongated; dorsal impressed lines very obvious; wings hyaline; radial ner-
vure extended, equally distinctly near to the tip of the wing; discoidal cellule none;
metathorax minutely and distinctly punctured or granulated above, and minutely
lineated each side; abdomen depressed, polished, piceous black, distinetly petio-
lated; feet honey-yellow; thighs a little dusky in the middle; length over one-
twentieth of an inch. (Say.)

Unknown tome. The long radial nervure will exclude the species
from Bethylus as now restricted, and it is placed here temporarily or
until it is rediscovered and its true position ascertained.

PERISHMUS Forster.

Hym. Stud., u, p. 95, 1856.
Episemus Thoms. Ofv., 1861, p. 452.

(Type P. triareolatus First.)

Head large, oblong, much wider than the thorax; eyes prominent,
smooth; ocelli small, but distinct.

Antenne 12-jointed, subsetaceous, somewhat distant at base, sepa-
rated by a frontal lamina.

Maxillary palpi 6-jointed; labial palpi 4-jointed.

Mandibles 4- or 5-dentate. '

Thorax elongate, thé prothorax rounded anteriorly; mesonotum
short, smooth, without furrows; metathorax subquadrate, obliquely
rounded off posteriorly.

Front wings with a subquadrate stigma, a parastigma (rarely want-
ing), an incomplete radial cell, and two basal cells, the first of which
is longer than the second; the basal vein with a branch or spurious
vein directed backwards, or at least broken by a stump of a vein.
Apterous forms rare.

Abdomen ovate, subsessile, the apical margins of some of the seg-
ments sinuate or emarginate.

Legs short, stout, the femora much swollen, the tarsi slender, the basal
joint of hind tarsi twice as long as the second, claws simple.

This genus could only be confused with Goniozus, with which it
agrees, except in having 12-jointed antennie, and in having a slightly
narrower head.

The species known to me may be separated by the aid of the follow-
ing table:

70 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

TABLE OF SPECIES.

FEMALES,

Wingless, 22.2 ..555525 Joe ee eens ees ae ee ee ee en ee ee ees 3
Winged.
Stioma ‘and parastioma bothipreseuit: --- 2. o eee see ae ee 2

Parastigma entirely wanting.

Black; trochanters, tibize, and tarsi pale brown. ..P. OREGONENSIS, sp. nov.
2. Coxe black.
Middle and posterior legs fuscous, the tarsi yellow; anterior coxie alone
laches = 3: 2 Bessa ee ae pene ae ae P. FORMICOIDES, Proy.
All coxie and femora black, tibie and tarsi honey-yellow; mandibles pale. ...-
P. FLORIDANUS, Ashm.
Legs brown; anterior tibize and tarsi honey-yellow; mandibles black -...-.---
P. MINIMUS, sp. hov.
Cox yellow.

Legs entirely reddish or honey-yellow. .--.---..----------- P. MELLIPES, Ashm.
3. Trochanters, tibi:e, and tarsi honey-yellow; rest of the legs black...-.....-.----
P. PROLONGATUS, Prov.

Perisemus oregonensis, sp. nov.

?. Length, 5"™. Black, shining; the head and thorax closely,
microscopically punctate, the former with some larger scattered thim-
ble-like punctures; metathorax subopaque, without carine, finely pune-
tate; legs black; all trochanters, tibix, and tarsi pale brown, the
middle tibize with only one spur. Head large, almost twice as wide as
the thorax across the eyes, and a long, prominent, frontal carina. An-
tenn 12-jointed, one-fourth longer than the head, honey-yellow, taper-
ing towards tips; the first flagellar joint is about as long as the pedi-
cel, which is a little more than twice as long as thick; remaining joints
to the last gradually subequal, the last longer than the penultimate.
Wings hyaline, with a slight fuscous tinge at the middle, the veins
brown; stigma small, quadrate, black; parastigma wanting; the sub-
median cell is one-third shorter than the median; the basal vein broken
by a stump of a vein beyond the middle; stigmal vein very long, ab-
ruptly curved upwards at tip and almost forming a complete marginal
cell. Abdomen ovate, not quite as long as the head and thorax to-
gether, black and shining, the second, third, fourth, and fifth segments
emarginate at the middle.

HaABrrat.— Portland, Oregon. .

Described from a single specimen obtained from H. F. Wickham.

This is the only species known to me in this genus without a para-
stigma, and this character, in connection with the single tibial spur on
the middle legs, may be sufficient to found a new genus.

Perisemus formicoides Proy.

Bethylus formicoides Prov., Add. et Corr., p. 179; Cress. Syn. Hym., p. 247.
2. Length, 2.5 to3™, Black, polished; legs and antenne honey-
yellow, the latter brownish toward tips; the anterior and posterior

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 71

femora blackish toward base. Prothorax very long, flattened, nar-
rowed before, shining, with a fine and somewhat dense punctuation;
mesonotum short; metathorax elongate, the sides polished, the disk
punetured.

Wings hyaline, the parastigina and stigma brown.

Abdomen elongate oval, polished, black, the apex with sparse hairs.

HABITAT.—Ottawa, Canada.

Type in Coll. Provancher.

Perisemus floridanus Ashm.

(Pl. 1v, Fie. 7,9.)

2

Ent. Am., 111, p. 76. ¢ 9; Cress. Syn. Hym., p. 247.

62. Length, 2.5to35™™". Black, shining, finely, closely punctulate,
the head with some scattered, thimble-like punctures. Head a little
longer than wide, the frontal carina not extending behind the insertion
of antenne, Mandibles and palpi honey-yellow. Antenne 12-jointed,
honey-yellow, the two or three apical joints dusky; the scape is thick,
less than thrice as long as thick; flagellar joints submoniliform,
scarcely longer than thick, the last twice as long as thick. Prothorax
trapezoidal, longer than wide across the base; mesonotum about as
long as the scutellum, the latter with a faint impressed line across the
base; metathorax quadrate, smooth, with a faint trace of a median
longitudinal carina. Wings hyaline, the costa, stigma, and parastigma
dark brown, the other veins honey yellow; the backward-directed
branch of the basal vein is not as long as the first branch of the basal.
Legs, except coxee and femora, honey-yellow.

Haprrat.—Jacksonville, Fla.
Types in Coll. Ashmead.

Perisemus minimus, sp. nov.

?. Length, 1.8 to2™", Black, shining; legs brown; anterior tibice
and all tarsi honey-yellow; mandibles black; antenni honey-yellow,
the scape thick, 25 times as long as thick; pedicel longer than the
second flagellar joint, first flagellar joint minute; flagellar joints, after
the second, not longer than thick; wings hyaline, the venation pale
hyaline, the stigma and parastigma brown. Abdomen pointed-ovate,
not longer than the head and thorax together, polished black.

HApBirat.—Arlington, Va.

Type in Coll. Ashmead.

The small size, shining surface, black mandibles, and color of the
legs sufficiently distinguish the species. The head is more like that in
Epyris, being longer and more narrowed than is usual in this genus.

Perisemus mellipes Ashm.
Ent. Am., 11, p. 76,9 ; Cress. Syn. Hym., p. 247.

2. Length, 3.2". Black; the head opaque, finely, densely punc-
tulate; thorax smooth, shining, microscopically punctulate; legs en-

(2 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

tirely honey-yellow. The head is slightly longer than wide and wider
than the thorax, with a frontal carina.

Antenne 12-jointed, honey-yellow; the scape less than thrice as long
as thick; the joints of the flagellum submoniliform, scarcely longer
than thick, Thorax as in floridanus, the metathorax smooth with a
ridge in the middle at base. Wings hyaline, the parastigma and stigma
black, the other veins pale yellow; the second basal cell is much shorter
than the first; the backward directed branch of the basal vein is curved,
but not as long as the first branch of the basal.

Hapsrrat.—Jacksonville, Fla.

Type in Coll. Ashmead.

Perisemus prolongus Prov.
Bethylus prolongus Proy., Can. Nat., x11, p. 265, 9 ; Ashm. Ent. Am., 111, p. 97;
Cress. Syn. Hym., p. 248.

?. Length, 4.2™™. Black, shining; the head very large, much
broader than the thorax, about twice as long as wide at base and a
little broader in front than behind, densely, minutely punctulate, with
some feeble thimble-like punctures. Mandibles black. Palpi pale.
Antenne 12-jointed, honey-yellow; the scape stout, more than thrice
as long as thick; the flagellum much thinner, tapering towards tip;
pedicel as long as the first flagellar joint; the second and third a little
stouter than the first and of an equal length; the following a little
shorter, all longer than thick. Prothorax subquadrate; mesonotum
very short; scutellum with a short, faint transverse line at base; meta-
thorax longer, obliquely rounded off posteriorly, shining, at base finely
rugose. Wings aborted, not extending to tip of the metathorax. Legs
black, trochanters, tibiw, and tarsi honey-yellow. Abdomen pointed
ovate, much wider than the thorax, highly polished, black, segments
2,3, and 4 emarginate at apex.

HABITAT.—Ottawa, Canada, and Lafayette, Indiana.

Type 2 in Coll. Ashmead.

Described from the type specimen, kindly given me by Mr. Harring-
ton. In the National Museum is a specimen, reared August 28, 1888,
by Mr. F. M. Webster, from Crambus caliginosellus.

GONIOZUS Pirster.
Hym. Stud., u, p. 96 (1856); Parasierola Cam., Trans. Ent. Soc. Lond., 1883, p. 197.
(Type G. claripennis Forst.)

Head much as in Perisemus; in ¢ much broader than the thorax,
with a prominent clypeal carina; in 2 longer and less broad.

Antenne 15-jointed, subsetaceous, not inserted so far apart as in
Perisemus, the scape swollen, twice as long as thick, the first flagellar
joint minute, smaller than the pedicel, the following joints moniliform,
except in the males, rarely much longer than thick.

Maxillary palpi 6-jointed; labial palpi 4-jointed.

MONOGRAPH OF THE NORTH AMERICAN PROCTOTROPID &. aS

Mandibles oblong, truncate at tips, with 4 to 5 minute teeth. %

Thorax as in Perisemus.

Front wings as in Perisemus, except that sometimes the backward-
directed branch of the basal nervure is often bent backwards -and
joins the basal nervure near its origin, forming a small triangular
closed discoidal cell (= Parasierola Cameron).

Abdomen in 2 pointed ovate or long conical, in é oblong-oval and
more depressed.

Legs stout, the femora very much swollen.

Distinguished from Perisemus by having 13, not 12-jointed antenne.
Parasierola Cameron is apparently only a section of this genus, having
the backward directed branch of the basal nervure a little more elongated
and forming a distinct cellule; otherwise it is identical. and is here
conjoined to Goniozus.

TABLE OF SPECIES.

FEMALES.
Species with asmall triangular discoidal cell.
Coxe and femora black; anterior tibiw and all tarsi yellow...G.CELLULARIS Say-
Species without a closed discoidal cell.
Me adaumnirs tall iyalaro Oars specie tise alse wna as ia Silo ioe sicie ain siciseicle <a sys aware 2
Head normal.
Backward-directed branch of the basal nervure as long as the first branch
of the basal nervure; legs black.
Anterior tibiz and all tarsi yellowish.

= Wein OSes inyallin epee aerieeta etter cratersroeis Sieve sie G. FOVEOLATUS Ashm.
All tibie and tarsi yellowish; ? with middle and hind tibize dusky.
Manesiclearbbwalineste seer =) 5 al eine G. PLATYNOT, sp. nov.
Rackward-directed branch of the basal nervure only one-third the length of
the first branch of the basal nervure.
Abdomen very long and cylindrical, pointed at tip, much longer than the
head and thorax united.
Win SI SUD TNS COMS Aas tae see ete a sscasnlecace ess G. POLITUS, sp. nov.
Abdomen very little longer than the thorax, ovate.
Mecssbrowi. bie bars! pales c= oq esses. sss G. COLUMBIANUS, sp. nov.
Abdomen not longer than the head and thorax united.
AllMeoswimneludiniey coxa; yellow 22.,-cs-: cs wc ~ G. HupBAarpit How.
2. Legs piceous, tips of tibize and tarsi pale.
SV VA ors hye LOIN este peteyecers or etetetetctaleis state = alenera (ae sine aye rael= G. MEGACEPHALUS, sp. nov.
MALES.

Wines without a discoidal cellule.
Legs honey-yellow; wings hyaline -...........-........--.-G. HUBBARDII How.
Legs brownish or piceous, the coxie black.
Wings fuscous or subfuscous.
Anterior tibiz, trochanters and all tarsi brownish-yellow.
‘G. FOVEOLATUS Ashm.

Miletibiserandetarsn honey=vellow: secs. se-soe ele cee ee ae = G. COLUMBIANUS
Wings hyaline.
Alllstibizcandscarsh browmish=yellowieee> asa ecse- +. 24m ese - G. PLATYNOTE

Wings with a discoidal cellule.
Legs piceous, the tibiee and tarsi pale ............------- G. CELLULARIS Say.

74 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Goniozus cellularis Say.

Bethylus cellularis Say, Lec. Ed. Say, 1, p. 276; Ashm. Ent. Am., 111, p. 97; Cress.
Syn. Hym., p. 247.

6 9. Length, 2.2 to3™™. Black, shining, the head with some fine,
seattered punctures. Antenne varying from a honey-yellow to fuscous.
Legs piceous, the tibiz and tarsi often honey-yellow, especially the an-
terior pair; femora often black. In the male the wings are clear hya-
line, in the female fusco-hyaline; the parastigma brow nor black; the
branch from the basal nervure curves backwards and joins the median
nervure near the tip, forming a complete cell which readily distin-
guishes the species. :

HaApsirat.—United States.

Specimens in. National Museum and Coll. Ashmead.

Found in various parts of the United States. A single specimen is
in the National Museum reared by Prof. F. M. Webster. September 17,
1884, from a geometrid larva in wheat stubble; while my collection
contains a specimen, reared June 5, 1885, from wheat stalks infested
with Jsosoma tritict.

The species is, without doubt, parasitic on various microlepidoptera.

Goniozus megacephalus, sp. nov.

@. Length, 2.8°™. Black, shining, with a fine, microscopic pune-
tuation and a few larger punctures scattered over the surface. The
head is large and long, a little more than one and a.half times as long
as wide. Mandibles large, black. Antenne 13-jointed, inserted wide
apart, and not much longer than the head, moniliform, yellow; the
scape swollen, twice as long as wide. Metathorax smooth without
carine. Wings hyaline, the parastigma and stigma piceous. The
other veins yellowish; the branch of the basal vein is reduced to a
mere stump.

Legs brownish piceous, the tips of tibize and the tarsi yellow.

HABirat.—Key West, Fla.

Types in National Museum,

Described from a single 2 taken by EK. A. Schwarz.

Goniozus foveolatus Ashm.

Ent. Am., 111, p. 76, 9 ; Cress. Syn. Hym., p. 247.

9. Length, 2.5 to3"". Black, shining, but finely, delicately pune-
tate, the head with a few coarse, scattered punctures; transverse furrow
at base of seutellum terminates in small, oblique fovez.

Antenne 15-jointed, honey-yellow, the scape short, thick, the follow-
ing joints all small, moniliform. Legs black or piceous; anterior tibize
and tarsi and the middle and posterior tarsi, honey-yellow. Wings
subhyaline; stigma and parastigma black, the other nervures honey-
yellow; the basal neryure is broken by a stump of a vein which is less

ong.

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID 2. tO

than half the length of the first branch of the basal nervure. Abdo-
inen cylindric-ovate, a little longer than the head and thorax united.

Inthe ¢ the middle and posterior tibiz are pale brown, the abdo-
men being shorter than the head and thorax united.

HApsrrat.—Florida and District of Columbia.

Types in National Museum and Coll. Ashmead.

The species is closely allied to G. platynote, but its slightly smaller
and more slender form, the subhyaline wings, and the black stigma
and parastigma, readily distinguish it.

The Nationai Museum contains a specimen, reared April 14, 1882, at
Georgiana, Fla., from a tineid larva in dry fungus.

Goniozus platynote, sp. nov.
CR sive secs SOF)

62. Length, 3™™. Black, shining, very sparsely pilose; head with
a prominent keel between the antenn, microscopically closely punctu-
late, with a few larger punctures scattered irregularly over the surface,
subopaque. Mandibles, antennee, and legs pale honey-yellow; the ante-
rior femora vary from a dark brown to black, the middle and posterior
femora in 6 brownish only in the middle; inthe female the mandibles
are black, and all the femora are black or brownish-piceous, their tibiz
brownish.

Antenne 13-jointed, extending to the tegule (in ? a little shorter),
moniliform; pedicel small, rounded, much smaller than the first flagel-
lar joint; all the flagellar joints but the last moniliform, the last oval.
Metathorax smooth, with a delicate median carina, and carinated along
the lateral margins.

Wings hyaline, the parastigma and stigma large, brown, the latter
twice as long as wide, rest of the nervures pale yellow; the first basal
cell is longer than the second, the basal vein broken by a backward
directed branch.

Abdomen as long as the head and thorax united, polished black, the
sutures piceous.

Hapirat.—Virginia, Maryland, District of Columbia, and Florida.

Types in National Museum and Coll. Ashmead.

The species is not rare. Dr. Riley reared a single male July 30, 1886,
from Platynota sentana.

Goniozus politus, sp. nov.

?. Length, 2.4"™. Black, highly polished, impunctured. Head
not wider than the thorax, nearly twice as long as wide, smooth, im-
punctured.

Antenne 13-jointed, short, scarcely longer than the head, moniliform,
brownish-yellow, dusky or black at apex; Scape short, stout, about
twice as long as thick; pedicel as Jong as the last joint; first flagellar
joint very minute, half the length of the pedicel, the following joints
rounded,

76 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Prothorax very long, rounded before; mesonotum very short, not
longer than the scutellum; metathorax subquadrate, longer than wide,
truncate behind, the angles a little rounded, smooth; mesopleura pol-
ished with a small round fovea at the middle.

Wings fusco-hyaline, the venation brown, the parastigma and stigma
black, the latter quadrate, but slightly longer than wide, the stigmal
vein long, scarcely curved; the second basal cell is much shorter than
the first, the basal vein broken only by a short stump of a vein.

Legs short, stout, black, the tips of tibise and the tarsi yellowish.

Abdomen very long, cylindrical, conic, longer than the head and
thorax together, highly polished, black.

HABiITAT.—Virginia Beach, Md.

Type 2 in Coll. Ashmead.

Taken by Mr. E. A. Schwarz July 17, 1890.

Goniozus columbianus, sp. nov.

692. Length, 1.5 to 2™™. Black, shining, the head very feebly mi-
croscopically punctate, in 2 14 times as long as wide, in é not longer
than wide across the eyes.

Antenne 15-jointed, a little longer than the head, the scape dusky
or piceous towards base, the flagellum yellow; the pedicel is very small,
very little longer than thick, the two following joints subtriangular,
those beyond moniliform.

Wings hyaline, the parastigma and stigma brown, the other veins
pale or tinged with yellow; the stigma is oblong, 25 times as long as
wide; the stigmal vein long, bent upwards at tip; the branch of the
basal nervure short.

Legs piceous brown, in ¢ brown, with the trochanter, all tibia. and
tarsi yellow, in the ? the middle and posterior tibiz yellow except at
the middle above.

Abdomen not longer than the thorax, black polished.

HaApBirTat.—Washington, D. C.

Types é and 2 in Coll. Ashmead.

Comes nearest to G. Hubbardi How., but quite distinct by the color
of the legs.

Goniozus Hubbardi Howard.

Hubbard’s Orange Ins. app., p. 217 9; Ashm. Ent. Am., UI, p. 119; Cress, Syn.
Hym., p. 247..

$2. Length, 1.6 to2"™, Black, shining, alutaceous; head feebly,
sparsely punctate, with a distinct carina anteriorly between the an-
tenn. ;

Antenne 13-jointed, the seape and pedicel yellow, the flagellum
brownish-yellow, the joints after the second submoniliform, the first
minute.

prety rs

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID 2. Ub

Legs, including all coxe, yellow, the anterior femora much swollen;
wings hyaline, the parastigma and stigma piceous.

Abdomen longer than the thorax, pointed at apex, smooth and pol-
ished, the venter sometimes piceous towards base.

The male is the smaller and agrees perfectly with the female, the only
noticeable difference being in the shape of the abdomen, which is ob-
long-oval, slightly depressed, not pointed at apex, and scarcely as long
as the thorax. The flagellum is more distinctly brown, the joints very
slightly longer than in the female.

Types in National Museum.

Bred by H. G. Hubbard at Crescent City, Fla., from Platynota ros-
trana, and by myself at Jacksonville, Fla., from the orange case-worm,
Plateceticus Gloverti Packard.

Notrre.—The following genus has not been recognized:

Notwithstanding the fact that the antenne are described as 26-jointed, the genus
evidently belongs in this group. I merely copy Stefano’s description with the hope
that it may some day aid in its identification. Were it not for the 26-jointed an-
tenn I should say the genus was identical with either Pristocera or Scleroderma.
It is possible, though, the antennie will be found to be only 13-jointed, each joint
being constricted and having the appearance of forming two joints. Such mistakes
have frequently occurred in systematic entomology.

SCLEROGIBBA Stefano.
Nat. Siciliano, 1887-’88, p. 145.

Scler. caput depressum, ocellinulli. Antennie crass cum 26 articulis. Os inferior.
Thorax oblongus distinete divisus; prothorax cylindricus antice rotundatus posti-
ceque emarginatus; mesothorax antice attenuatus postice incrassatus; metathorax
supra planus, dilatatus. Femora et tibie antice crassissima. Abdomen sessile.
Ovipositor brevissimus.

Scler. crassifemorata, Tay. 1, Figs. 3e, 3a, b c, p. 146, Hab. Ustica.

Subfamily II—EMBOLEMIN J.

Head globose. Ocelli 3 in a triangle, close together; in apterous
females very minute. Mandibles oblong-quadrate, 3-dentate. Antenne
porrect, filiform, in ¢ 10-, in 2 13-jointed, inserted on the middle of the
face. Maxillary palpi 3- to 5-jointed; labial palpi 2- or 3-jointed. Prono-
tum usually well developed, triangular or quadrate; mesonotum trans-
verse, or at the furthest not longer than wide, the scapula not sepa-
‘ated; scutellum transverse, quadrate, or subtriangular; metathorax
large, quadrate. Front wings with a lanceolate stigma, a closed costal
cell, two basal, two discoidal cells, and an open radial cell; hind wings
distinctly lobed, veinless, except along the costa to two-thirds its
length, the tip of this vein being furnished with 6 hooklets. Abdomen
subpetiolate, ovate or oblong oval, depressed, composed of 7 segments,
the second and third being very large. Legs long, the anterior femora
much swollen, the middle and posterior pairs obclavate, the tibize sub-
clavate, their spurs 1, 0, 2, tarsi 5-jointed, claws simple.

The shape of the head, the difference in the numbers of joints in the
antenne, and non-chelate anterior tarsi in the females, sufficiently dif-

78 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

ferentiate this group from the Bethyline and the Dryinine, to which it
is most closely allied.

The group is rare and only a few species in it are known, their
habits still remaining unknown. [rom their close structural affinity
with the Dryinine it is not unlikely they have similar habits.

The genera may be distinguished by the aid of the following table:

TABLE OF GENERA.
FEMALES.
Antenne 13-jointed.

Wings rudimentary; eyes flat; ocelli very small; scape much longer than the
ATA b HUN Te lay) OUNG) ssi eet eee eee PEDINOMMA Forst.

Wings fully developed.

Eyes arched; ocelli large; scape shorter than the first funiclar joint.

EMBOLEMUS Westw.

MALES.

Antenne 10-jointed.
Prothorax as long as the mesonotum, with a deep median suleus; scape much longer
than the first flagellar joint ....AMPULICOMORPHA Ashin., gen. nov.
Prothorax shorter than the mesonotiwm, without a median suleus; scape much
shorter than the first flagellar joint........---- EMBOLEMUS Westw.

PEDINOMMA Forster.
Hym. Stud., 1, p. 94 (1856).

Myrmecomorphus Westw., Lond. Mag., 1833, p. 496,
(Type M. rufescens Westw.)

Head rounded, a little oblong, with a frontal tubercle; eyes rounded;
ocelli subobsolete.

Antenne 10-jointed, as long as the body, cylindric and filiform, the
scape as long as the head and longer than the first flagellar joint.

Maxillary palpi 3-jointed; labial palpi 2-jointed.

Wings in 2 rudimentary or wanting, the ¢ unknown but probably
winged.

Abdomen ovate, much longer that the thorax.

Legs thick, the posterior pair long.

A very rare genus, so far only known from Europe, and I have been
unable to obtain specimens for examination. There is a slight dis-
crepancy between Westwood and Forster in the description of the
ocelli. The former says “without ocelli,” the latter that “ die Nebenau-
gen sind sehr klein.” Nothing is known of the habits of the genus and
the male is still to be discovered.

The name given to it by Westwood was changed by Forster on ac-
count of its being preoccupied in Diptera.

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 79

EMBOLEMUS Westw.
(Phil. Mag., 1832, p. 444, ¢.)
Polyplanus Nees, Mon., 11, p. 349. ©.
(Type L. Ruddii Westw.)
(Pl. Vv, Fig. 2; ¢.)

Head small, subglobose, pubescent; eyes small, rounded; ocelli 3,
distinct.

Antenne in 6 10-jointed, setaceous, much longer than the body, in-
serted on a frontal tubercle; the scape short, half the length of the
head; pedicel small, rounded; flagellar joints all elongate, longer than
the scape; in 2 13-jointed, subelavate, shorter than the body; scape
short; pedicel small, flagellar joints to the twelfth subequal; thirteenth
fusiform, longer and stouter than the twelfth.

Maxillary palpi 5-jointed, setaceous, slender, the first joint slender,
slightly arcuated, the second dilated, the third slender, the fourth
shorter than the third, the fifth linear, much longer than the fourth;
maxilla small, short, subovate; labium small, narrow, sublinear; ligula
transverse, Short.

Mandibles oblong quadrate, straight, 3-dentate, the teeth acute,
subequal.

Thorax ovoid, the prothorax distinct, triangular, impressed laterally,
rounded anteriorly; mesonotum as broad as long, without furrows;
metathorax slightly longer than high, rounded posteriorly.

Fiont wings with a lanceolate stigma, a marginal, two submarginal,
and three discoidal cells; the third discoidal is nearly divided into two
others, the transverse median not interstitial with the basal nervure;
in the 2 the nervures are not well developed.

Legs rather long, the femora obclavate, the coxie large, the tarsi slen-
der, claws and pulvilli small.

Abdomen long ovate.

This genus still remains to be discovered in our fauna, the species
described by me as such, #. nasutus, being a dryinid, belonging to the
genus Labeo Hal.

HK. Ruddii Westw., the type of the genus, I had the pleasure of see-
ing in the Berlin Museum.

AMPULICOMORPHA Ashmetd, ven. noy.
(Type A. confusa.)

Head globose, with a frontal protuberance for the insertion of the
antenne; eyes rather small, oval, placed at the sides, a little before
the middle of the head; ocelli very small, arranged in a triangle on the
vertex; clypeus convex, slightly projecting, the anterior margin regu-
larly rounded; superal elypeal piece distinetly separated by deep
grooved lines, extending from the base of each antenna,

80 BULLETIN 45, UNITED STATES NATIONAL. MUSEUM.

Antenne 10-jointed, longer than the body, setaceous, the scape very
long, longer than the head, slender and curved at base, the pedicel
small, the remaining joints lengthened.

Maxillary palpi long, 5-jointed, the terminal joint the longest, the
third the shortest; labial palpi very short; apparently 3-jointed (?).

Mandibles small, truncate at tips, 3-dentate.

Thorax elongate, abruptly truncate behind, the prothorax quadrate,
as long as the mesonotum, but narrower, the sides compressed and
with a deep median channel above, as in Ampulex; mesonotum without
furrows, except two very short oblique grooves anteriorly; scutellum
triangular, with three confluent fover at base; metathorax quadrate,
rugose, the posterior truncature abrupt, the angles a little rounded.

Front wings smoky, the stigma moderate, lanceolate, the marginal
cell almost closed, two basal and two distinct discoidal cells; besides
there is an indistinct submarginal cell.

Hind wings lobed at base, with a distinct venation.

Abdomen ovate, subpetiolate, the second and third segments oceupy-
ing most of its surface.

Legs rather long, the femora obclavate, the anterior pair the shortest
and stoutest, the tibial spurs on the hind legs long.

In venation this remarkable genus resembles Embolemus Westwood,
but otherwise it is quite distinet, and recalls Rhinopsis and Ampulex.
The long, quadrate, suleate pronotum at once distinguishes the genus.
1 know of but a single species, as follows:

Ampulicomorpha confusa, sp. nov.
Guba lata 1 4s)

é. Length, 4™™. Polished black; metathorax above and on the
truncature rugose; antenne brown; legs black, the trochanters, tibiz,
and tarsi piceous or dark rufous.

Wings fuliginous, the venation dark brown, the second basal cell
shorter than the first; all the nervures are well developed.

Hapsirat.—California.

Type ¢ in Coll. Ashmead.

Described from a single specimen. Since the above was written I
have seen another specimen in the collection of the American Entomo-
logical Society, taken in Nevada. It differs in being slightly smaller
and with paler colored wings.

Subfamily LI1.—DRYININ 7.

Head transverse or subquadrate; when viewed from in front often
triangular. Ocelli 3, in a triangle. Mandibles stout, 3- or 4-dentate.
Antenne porrect, filiform or subclavate, pubescent or pilose, 10-jointed
in both sexes, inserted just above the clypeus. Maxillary palpi 3- to
5-jointed; labial palpi 2- to 4-jointed. Pronotum variable, very short,

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID&. 81

searcely visible from above, or very long, and separated from the me-
sonotum by a strong constriction; mesonotum not longer than wide,
with or without distinct parapsides; seutellum generally large, rounded
or truncate posteriorily, entirely wanting only in Gonatopus; metatho-
rax quadrate or subquadrate, truncate or rounded off behind. Front
wings with a lanceolate or ovate stigma, a closed costal cell, two basal
cells, and an open radial cell; rarely with a distinet discoidal cell;
hind wings distinctly lobed, veinless except along the costa to two-
thirds its length, the tip of this vein being furnished with hooklets.
Abdomen subpetiolate or petiolate, ovate or oblong-oval, depressed, or
occasionally compressed, composed of 8 segments, the ovipositor not
exserted. Legs long, the anterior femora much swollen, the middle and
posterior pairs obclavate, the tibiw subclavate, their spurs 1, 1, 2; tarsi
5-jointed; the anterior tarsi in the females in all the genera, except
Aphelopus and Mystrophorus, are chelate.

A very interesting group, and evidently an ancient phylogenetic type
of the order, the chelate anterior tarsi in the females being found in
no other group among the Hymenoptera.

The Dryinine confine their attacks to homopterous insects belong-
ing principally to the families Fulgoridie, Membracide and Jasside,
living in felt-like sacks protruding from the abdominal spiracles.

Prof. Joseph Mik has given a most interesting account of the biology
of Gonatopus pilosus Thoms., living on Deltocephalus xanthoneurus,
while G. pedestris Dalm. has been reared from Athysanus maritimus
and Thamnotettix sulphurella. Aphelopus melaleucus Dalm. has been
discovered by Giard, in France, to prey upon Typhlocyba hippocastani
and T. douglast. The genus Labeo Haliday, known only in the male
sex, bears a superficial resemblance to Aphelopus and has similar habits,
my Labeo typhlocybe having been reared by Dr. Riley from a Typhlo-
cyba living on the syeamore. I believe this genus will yet prove to be
the opposite sex of Gonatopus.

The following table will be found all that is necessary to recognize
the genera:

TABLE OF GENERA.

FEMALES.

VEL toxs COMVEX sO LMMIPREASCO saiaia'aelata sea) teases cteiain aie aaeiaialsiasielsiaee!= aioeiale ein
Vertex deeply impressed; prothorax very long; anterior tarsi chelate.

Wingless, without a scutellum.......----.---..----------- GoNATOPUS Ljungh.

VEU OS Cavill Mees CULE UUM eta tom mererai eels slaieialmisicis © =e lapa ines DryYINUS Latr.

em OTN CHE OVO Tae CyVieh GC amare eee ere te nena ete e atelelotoale mteisietaieieislofeieinisicicimi=ia= =e min ai= 3

Stigma lanceolate; anterior tarsi chelate.

Prothorax not quite as long as the mesonotum, much contracted; fourth joint
of anterior tarsi not much longer than the third, the first twice as
long as the three following united; maxillary palpi 4-jointed.

Boccuus Ashm. gen. noy.

21899—No. 40 6

82 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

$: ‘Anitierior ‘tarsi not chelate £2652.24 [066 Sesh BA ed eet See ae ee eee 4
Anterior tarsi chelate.

Prothorax almost as long as the mesonotum; fourth joint of anterior tarsi much
longer than the third, the first joint not, or scarcely, longer than
the three following united; maxillary palpi 5-jointed.

CHELOGYNUS Hal.

Prothorax much shorter than the mesonotum; fourth joint of anterior tarsi
scarcely longer than the third, the first not, or scarcely, longer than
the three following united; maxillary palpi 4-jointed.

ANTEON Jurine.
4. Prothorax much longer than the mesonotum, the latter without a trace of a fur-

row; head large, broad...........-....... MYSTROPHORUS Forster.
Prothorax above not or only slightly visible; mesonotum strongly developed, with
PUTUON Se a0 oelteiepeeial = = oh lee ci eee ere APHELOPUS Dalim.
MALES.
Bele SUM TEN OWL TOT OWA UO a maemo eo) tat ee = wo te det 2
Stigma lanceolate.

Occiput deeply concave; vertex and neck separated by a sharp angle; mesono-
tum with distinct furrows; a discoidal cell; maxillary palpi 4
olmbed Sth pies secs Ree eateries ae eee poe eee LABEO Hal.

Occiput not concave, straight and broad; mesonotum without furrows; no dis-
coidal cell; maxillary palpi 5-jointed ....PHORBAS Ashm. gen. nov.

2. Prothorax much longer than the mesonotum.
Mesonotum with furrows; maxillary palpi 5-jointed ......-- CHELOGYNUS Hal.

Mesonotum without furrows; maxillary palpi 4-jointed.. MysTrRoPpHoRUS Forst.
Prothorax much shorter than the mesonotum.
Mesonotum with or without traces of furrows; maxillary palpi 4-jointed.
ANTEON Jurine,
Prothorax not, or scarcely, visible from above.
Mesonotum strongly developed, with furrows; maxillary palpi 5-jointed.
APHELOPUS Dalm.

GONATOPUS Ljungh.
Web. und Mohr. Beitr., 1810, p.161; Dicondylus Hal., Ent. Mag., rv, p. £10 (1837).
(Type G. pedestris Dalm.)

Head large, transverse; when viewed from in front very short, trian-
gular, the vertex deeply impressed and sloping off towards the neck;
the oceiput convex, not margined; eyes very large, prominent, occupy-
ing the whole side of the head; ocelli small.

Antenne 10-jointed, filiform or subclavate; scape about one-third
the length of the head, thicker but not much longer than the second.

Maxillary palpi 5-jointed.

Mandibles 3-dentate, the outer tooth long and acute.

Thorax greatly elongated and of a peculiar shape; the prothorax
much wider than the mesothorax, the latter elongate and humped at
the middle, and separated from the metathorax by a strong constric-
tion; the metathorax clavate.

Wings always absent.

Abdomen oblong-ovate, subpetiolate, the second segment the longest.

Legs very long, the posterior pair greatly lengthened; cox large,

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDE. 83

the anterior pair greatly lengthened; femora obclavate, the front pair
the stoutest; tibiz very long and slender, very little thicker at tips
than at the base; anterior tarsi chelate, middle and posterior tarsi,
5-jointed, shorter than their tibix, the claws and pulvilli small.

This genus is readily distinguished from all the other genera in the
group by its peculiar shape, the strong constriction between the meso-
and meta- thorax, the absence of wings and scutellum, and the much
longer and more slender tibive. In its cephalic and antennal charae-
ters it approaches nearest to Dryinus, but otherwise it is quite differ-
ent, that genus having wings, a distinct large scutellum, and is without
the strong constriction between the meso- and meta- thorax.

The male is unknown, but I have reasons for believing that the genus
Labeo Haliday, known only in the male sex, will yet prove to be the
opposite sex of this peculiar genus.

Mr. Cameron, in Biologia Centrali-Americana, has described two or
three species that he supposed were wingless males, but as these so-
salled males have chelate claws, I suspect he has mistaken females for
males, as all the males in this group known to me have simple, not
chelate claws, the chelate claws being a character peculiar to the females.

Our species may be tabulated as follows:

TABLE OF SPECIES.
FEMALES.

Species' more or less brown or pale brownish-yellow- -...---.-....-.:.--....2-:.- 2
Species, excepting a portion of the head, black.
Thorax punctulate.
Head not twice as broad as long; metathorax, anteriorly and posteriorly,
transversely striated.
Occiput, face, and two basal joints of antennew, yellow, rest of antenna
US COUS ere sys pans sere oes cctesas ciel is G. CONTOKTULUS, Patton.
HTead twice as broad as long; metathorax, anteriorly and posteriorly, trans-
versely striated.
Occiput, face, and antennw, except the three terminal joints, yellow.
G. FLAVIFRONS, sp. nov.
Thorax polished, shining.
Headrentirelyablack st). 222 tse ee sod lee otc ate 28! G. DECIPIENS, Prov.
2. Abdomen black; head and thorax dark reddish-brown.
Metathorax coarsely transversely striated; antennze yellow; legs piceous or
brown, the cox:e and tarsi yellow. ..-.--- G. CALIFORNICUS, sp. nov.
Abdomen piceous; head, thorax, and legs pale or yellowish.
Metathorax smooth, polished, with only a few faint, transverse strive.
G. BICOLOR, sp. nov.

Gonatopus contortulus Patton.
Can. Ent. x1, p. 65 (1879), 9; Ashm. Ent. Am. 1, p. 74; Cress. Syn. Hym., p. 246.

“2. Length 3.5™™, Head testaceous, mandibles and scape of an-
tenn white; the teeth of the mandibles, second joint of the antenne,
and a line on the scape posteriorly, pale testaceous, remainder of an-
tenne fuscous, A large fuscous spot on the under side of head, and

84 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

another above in front of and ineluding the ocelli; a raised line ex-
tending forwards from anterior ocellus to the face. Head transverse,
broader than thorax or abdomen; convex beneath, concave behind,
above and in front; the mouth prominent; the eyes longitudinally
ovate, prominent, not reaching the posterior border of the head. An-
tenne 10-jointed, the basal joint stout, the second joint more slender
and one-half as long as the first, the third very slender and equal in
length to the first and second together, the fourth and following joints
slender but gradually becoming thicker, the fourth one-half as long as
the third, the fifth a little shorter than the fourth and a little longer
than each of the following joints. Thorax and abdomen piceous black.
The thorax slender, binodose. The trochanters formed of only one joint.
Anterior cox long and robust, pale testaceous with a darker stripe
above; anterior trochanters whitish, more slender, clavate ; femora
large, obclavate, dark testaceous, paler at tip; tibix as long as the
femora and, together with the first tarsal joint, pale testaceous ; termi-
nal joint of the tarsi and the chelw whitish. The chele at rest extend-
ing back to the tip of the first joint of the tarsus, the outer claw pointed
and slightly curved at the extremity, the inner claw more robust, cilia-
ted internally and with a wrench-shaped curve at the extremity ; pul-
villus tipped with fuscous. The other legs slender, the cox and the
base of femora dilated, testaceous, the cox, base of femora, tibie
above and claw-joint of tarsi, darker. Abdomen ovate, pointed at tip
and with a short petiole.” (Patton.)

HABITAT.— Waterbury, Conn.

Type in Coll. American Entomological Society, at Philadelphia.

The type is in poor condition and I have copied Myr. Patton’s de-
scription. It was captured at Waterbury, Conn., on herbage a few
inches above the ground, August 18, 1879.

Gonatopus flavifrons, sp. nov.
(Pl. v, Fig. 4,9.)

?. Length,44™". Black, shining, with a fine shagreened punctua-
tion. Occiput, face, mandibles, except teeth, palpi, antenn, except
the three terminal joints, which are fuscous, and legs, yellow; the long
large anterior cox have two black spots beneath; the greatly swollen
anterior femora above are almost entirely black, while their tibiw have
a black streak above; the middle and posterior coxe and femora basally
are also more or less black above. The anterior or constricted part of
the metathorax and its posterior face are transversely striated.

The abdomen, except blotches at the sides of the first segment, the
apical edge of the third and fourth segments, especially laterally, and
the terminal segment, which are rufous, is highly polished, black.

HaApBiraT.—Albany, N. Y.

Type 2 in Coll. Ashmead.

Described from a single specimen received from Mr. W, H. Harring-
ton, who informs me that it was captured by Mr. Van Duzee at the
above place,

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID2., 85

The species comes nearest to G. contortulus Patton; but it is larger,
the head broader, and it differs also in colorational detail.

Gonatopus decipiens Proy.
Add. et Corr., p. 179, @ ; Ashm. Ent. Am., ur, p. 74; Cress. Syn. Hym., p. 246.

@. Length, 2.4-™. Black, with the antennx and legs, in part, testa-
ceous. Head large, flat, very finely punctured, with a large ocellus on
the vertex. Antenne inserted near the mouth, 10-jointed, the first the
longest and thickest, the following elongated, slender, the terminal
joints dusky. Thorax polished, shining, narrow, elongated with respect
to the constricted part of the scutellum. Abdomen subsessile, oval.
Anterior femora strongly swollen, black, their tibiv testaceous, their
tarsi brownish, with the claws long, in the form of pincers; the four
posterior femora with their tibiew black, their tarsi testaceous.

HABITAtT.—Cap Rouge, Canada.

Type 2 in Coll. Abbé Provancher.

Unknown to me.

Gonatopus californicus, sp. nov.

9. Length, 3°". Uniformly piceous-brown, except the apex of the
metathorax and the abdomen, which are more or less black. The an-
tenn, the tarsi, and the slender part of the posterior femora, and the
middle of their tibize, honey-yellow. The head is very closely, finely
punctulate, pubescent, while the metathorax is transversely rugulose.

Hapirar.—California.

Type 2 in National Museum.

Described from a single specimen received from A. Koebele.

Gonatopus bicolor, sp. nov.

@. Length, 3™™. Head, thorax and legs yellow or reddish-yellow ;
middle and posterior knees and tips of posterior tibie black. Abdo-
men piceous black. Mandibles 4-dentate. Eyes brown. Metathorax
smooth, polished, the posterior face feebly transversely aciculated.

Antenne subclavate, brown, the 4 or 5 basal joints yellow, the first
flagellar joint about twice as long as the second.

HABITAT.—Selma, Ala.

Type ? in National Museum.

Described from a single specimen collected by Mr. W. H. Patton.

DRYINUS Latreille.

Hist. Nat., x11, p. 228 (1805); Forst. Hym. Stud., 11, p. 90.
Chelothelius Reinh., Berl. Ent. Zeits, 1863, p. 409.

(Type D. formicarius Latr. )

Head transverse, the vertex impressed, when viewed from in front
triangular; eyes large, prominent; ocelli 3 in a triangle.

86 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Antenne 10-jointed, filiform or slightly subclavate, inserted low
down on the face, just above the clypeus; the scape about half the
length of the head, slightly thickened and more than twice as long as
the pedicel; the first flagellar joint usually greatly lengthened.

Maxillary palpi long, 6-jointed; labial palpi very short, 2-jointed.

Mandibles 3-dentate.

Thorax elongated; the prothorax very long, separated from the
mesothorax by a strong constriction, above convex, anteriorly rounded ;
mesothorax broader than long, shorter than the prothorax, and usually
without parapsidal furrows; the scutellum distinct; metathorax sub-
quadrate, more or less rounded off posteriorly, rugose.

Front wings with a large stigma, two basal cells and an incomplete
marginal cell.

Abdomen oblong oval or oblong ovate, petiolate, the second and
third segments the largest, of which the second is the longer.

Legs long, the femora obclavate, the tibize long, slender, the anterior
tarsi chelate; in é anterior tarsi long, simple.

Only three species in this genus are known in our fauna, which may
be recognized by the aid of the following table:

TABLE OF SPECIES.

FEMALES.
Notentireliy: brow nisla=yelll Ow sass sea ete eee 2
Entirely brownish-yellow.
Winesiwithtwo fuscous bands-22--. ---22os2—--o-s =a D. BIFASCIATUS, Say.

Wings fuscous, with a large rounded hyaline spot beneath the stigma.
D. ALATUS, Cr.
2. Abdomen shining black.

Wings hyaline with two fuscous bands. ....-.-----------D. AMERICANUS Ashm.

D. bifasciatus Say.
Lec, Ed. Say’s Works, 1, p.384, 9 ; Ashm. Ent. Am., 11, p. 74; Cress. Syn. Hym., p. 246.

Yellowish; wings bifasciate.

Inhabits Indiana.

Body honey-yellow, varied with blackish; anterior thighs dilated; wings with
two fuscous bands, the apical one broader.

Length rather more than one-fifth of an inch. (Say.)

Unknown to me.

Dryinus alatus Cr.

Gonatopus ? alatus Cr., Trans. Am. Ent. Soc., 1v, p. 193, 9. Dryinus alatus Pat-
ton, Can. Ent., x1, p. 65; Ashm. Ent. Am., p. 246; Cress. Syn. Hym., p. 246.

9. Length 5.75™™, Pale ferruginous, head shining, much broader than thorax,
transversely compressed ; front tlat; eyes large, prominent, ovate; clypeus transverse,
subeonvex, bituberculate at tips; mandibles and scape beneath whitish; antenne
slender, as long as head and thorax, 10-jointed, first joint short and robust, second
small, scarcely half the length of first, third very long and slender, more than twice

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 87

the length of first and second together, black; scape and two or three apical joints
yellow; prothorax elongate, as long as metathorax, convex, subtruncate anteriorly,
narrowed and somewhat contracted posteriorly; metathorax short, convex, fusco-
ferruginous; metathorax elongate, rounded behind, longitudinally rugose at base
above; wings narrow, scarcely reaching tips of posterior femora, fuscous, with a
large rounded hyaline spot beneath base of stigma nearly as broad as the wing;

legs rather paler than body, anterior pair very long; cox and trochanters as long

as femora, which are longer than tibiw, tarsi chelate; four posterior legs much
shorter than anterior pair, all the femora much thickened towards base; abdomen
elongate, smooth and shining. (Cresson.)

HABITAT.—Texas.

Types in Coll. American Ent. Soe. and National Museum.

The type specimen in the National Museum came with the Belfrage
collection.

Dryinus americanus Ashm.
(BiB, Bigs35.0%)
Mystrophorus americanus Ashm., Ent. Am., 111, p. 128.

?. Length 6.3". Head, thorax, and legs brownish yellow; head
above dusky; eyes brown-black; antenne dusky at tips; abdomen
smooth, polished, black. The head when viewed from in front is trian-
gular, finely and regularly punctate, impressed above. Antenne 10-
jointed, the third joint as long as the fourth, fifth, and sixth joints
united. Prothorax much elongated, narrower, and more than thrice
as long as the mesonotum, finely microscopically sculptured. The
short spoon-shaped wings are hyaline, except a smoky transverse band
across the front wing, broad enough to inclose the stigma and stigmal
vein.

HABITAtT.—Jacksonville, Fla.

Types in Coll. Ashmead.

Two specimens. The first specimen captured was in poor condition,
and when my original description was drawn up the anterior chelate
tarsus was not observed, and if was consequently placed in the genus
Mystrophorus, which is distinguished by having the anterior tarsi sim-
ple, not chelate.

LABEO Haliday.
jut. Mag., I, p. 275 (1833).
(Type L. excisus Westw.)

Head transverse, the vertex broad, subconvex, the occiput deeply
concave; eyes large, oval, prominent, but much smaller than in either
Gonatopus or Dryinus, and occupying only the anterior half of the
sides; the cheeks oblique; ocelli 3, small, triangularly arranged; a
delicate keel extends forward from the front ocellus.

Antenne 10-jointed, filiform, inserted just above the clypeus, slightly
thickened towards the tips; scape thickened, a little curved, about
twice as long as the pedicel, or a little shorter, or as long as the first
flagellar joint.

88 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Maxillary palpi rather long, 4-jointed; labial palpi very short, 2-
jointed.

Mandibles truncate at tips and 3-dentate, the outer two conical,
equal; the inner smaller, blunt.

Thorax subovate; prothorax narrowed before and impressed at sides,
scarcely as long as the mesonotum, the anterior margin ridged; meso-
notum broader than long, with 2 distinet furrows converging pos-
teriorly; metathorax short, rounded behind, scarcely sculptured or
indistinctly areolated.

Front wings with a moderate sized lanceolate stigma, two basal
cells, and an angulated stigmal vein; sometimes one or two discoidal
cells are more or less visible, but usually they are wanting or subob-
solete.

Abdomen subovate or oblong oval, petiolate, the second and third
segments nearly equal.

Legs moderate; the hind pair the longest, femora obclavate, the
tibie subclavate, the tarsi usually long and slender,

Tam strongly of the opinion that this genus, known only in the male
sex, will yet prove to be the opposite sex of Gonatopus. It is reared
from Typhlocyba and other jassids.

The four species in our fauna may be distinguished by the aid of the
following table:

TABLE OF SPECIES.
Hind legs very long, the tibiw very long.

Hind tarsi longer than their tibiie.
Antennie very long, the flagellar joints nearly 5 times as long as thick.

Marcial cellopeniattips-= 2 6-2 == ee eee L. LONGITARSIS, sp. nov.
Maroinalicelltcompletelyclosed .as==-—-—- waeeee eee L. TEXANUS, sp. nov.

Hind legs not especially long, the tibiz not long.
Antenne not longer than the thorax, the flagellar joints never more than 3 times
as long as thick.

Pédicel and ‘scaperequal in length 22s eee ea eee L. NasutTus Ashm.
Pedicel twice as long as the secape..--...-----..--.-. L. TYPHLOCYB-, sp. nov.

Labeo longitarsis sp. nov.

é. Length 2.6", Black, shining; head finely closely punctate,
the occiput deeply emarginate; eyes large, rounded, pubescent. Man-
dibles and palpi rufous. Antenne 10-jointed, long, setaceous, pubes-
cent; first and last flagellar joints about of an equal length, longer
than the scape, the remaining slightly shorter, four times as long as
thick. Prothorax scarcely visible from above; mesonotum with two
distinct furrows, converging posteriorly; scutellum with a transverse
impressed line at base; metathorax longer than high, roundedly trun-
cate behind, finely closely punctate, and with a median carina. Wings
hyaline, pubescent, the venation distinet, brown; the stigma long

Ee ——

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID®. 89

lanceolate, the stigmal vein very long, forming nearly a closed mar-
ginal cell. Legs fuscous, the posterior pair unusually long.
Hapsirat.—Jacksonville, Fla.
Type 6 in Coll. Ashmead.

Labeo texanus sp. nov.

$6. Length 2.5™™, Allied to ZL. longitarsis, but differs as follows:
The head is more finely punctate; mandibles black or piceous; margi-
nal cell in anterior wing completely closed; legs black, the anterior
knees, tibize, and tarsi pale brownish; the middle and hind knees
brownish; tibiz and tarsi fuscous. The metathorax is more rugosely
punctate.

HABITAT.—Texas.

Type in Coll. Ashmead.

Described from a single specimen.

Labeo nasutus Ashm.

Embolemus nasutus Ashm., Ent. Am., tt, p. 75 3%.

é. Length 2»™. Black, subopaque. Head vertically short, the
frons punctate; ocelli prominent; eyes large, convex, hairy; mandi-
bles rufous; 3-dentate, the outer tooth a little the longest. Antenne
10-jointed, brown-black, densely pubescent; the scape and the pedicel
very short, together scarcely longer than the first flagellar joint; first
flagellar joint the longest, about thrice as long as thick, the following
nearly equal, about twice as long as thick. Prothorax scarcely visible
from above, narrowed into a little neck anteriorly; mesonotum without
distinct furrows, smooth; metathorax short, smooth, witha slight carina.

Abdomen subsessile, small, black, compressed along the venter.

Legs brown-black, the knees, tips of tibiw, and the tarsi pale or yel-
lowish.

Wings hyaline, the veins of the basal cells hyaline, scarcely distin-
guishable.

HAbBrirat.—Jacksonville, Fla.

Type é in Coll. Ashmead.

Labeo typhlocybe, sp. nov.
(Risvatbics 5, of.)

$. Length 2.5™™. Black, subopaque, shagreened, covered with a
sparse whitish pubescence. [yes densely pubescent. Mandibles and
palpi yellowish. Antenne and legs brown, except the anterior tibie
and all the tarsi, which are yellowish. Antenne 10-jointed, extending
to the middle of the metathorax, very pubescent; the pedicel is more
than twice as long as the scape; the first flagellar joint two-thirds the
length of the pedicel; the fourth and fifth equal and a little longer
than the first; remaining joints, except the last, subequal, the last a

90 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

little longer, pointed. Mesonotum with 2 furrows, converging and al-
most meeting at the base of the scutellum. Wings hyaline, the costa
and stigma brown, the other veins pale.

HABITAT.—Washington, D. C.

Type é in National Museum.

Reared by Dr. C. V. Riley, at Washington, D. C., July 23, 1883, from
Typhlocyba sp. occurring on Celtis and elm.

PHORBAS Ashm., gen. noy.

(Type P. laticeps Ashm., ¢.)

Head broadly transverse, wider than the thorax, but not especially
thick through antero-posteriorly, and when viewed from in front
rounded; eyes oblong-oval, pubescent; ocelli 5, triangularly arranged,
neither especially small nor very close together.

Antenne 10-jointed, thick, filiform, not longer than the thorax, pu-
bescent, the scape only a little longer than the first flagellar joint.

Maxillary palpi 5-jointed.

Mandibles 3-dentate.

Thorax as in Aphelopus, but without distinct parapsidal furrows, the
prothorax only slightly visible from above.

Front wings with a lanceolate stigma, two basal cells, and an open
marginal cell.

Abdomen subpetiolate, oval.

Legs as in Aphelopus.

A genus described from a single male specimen, but the lanceolate
stigma and 5-jointed maxillary palpi will, however, distinguish it from
all other males, in the genera in which the males are known. There is
«a possibility that it may be the opposite sex of my genus Bocchus, as it
agrees with it in maxillary, mandibular, and wing characters, but other-
wise, in the shape of the head, thoracic, and abdominal characters, it
is quite distinct. Of the other genera, it comes nearest to Aphelopus,
but the widely transverse head, absence of parapsidal furrows, and the
lanceolate stigma, sufficiently separate the two. |

The single specimen, described below, was captured in Florida by
sweeping.

Phorbas laticeps, sp. nov.
(Pl. v, Fie: 7, ¢*)

é. Length 2™™, Robust, black, subopaque, finely shagreened and
sparsely pubescent. Head transverse, much wider than the thorax, the
occiput very wide, not at all emarginate. Eyes prominent, oval, pu-
bescent. Mandibles 3-dentate, rufous. Antenne 10-jointed, extending
to the tegulae, pubescent, the scape longer than the first flagellar joint,
the flagellar joints, except the penultimate, about of an equal length,
twice as long as thick, the last pointed, the penultimate only 14 times as
long as thick. Mesonotum with two faint furrows; scutellum smooth,

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID®. 91

impunctured, with a transverse furrow at base; metathorax very short,
obliquely truncate behind. Wings hyaline, without pubescence, the
stigma and veins white or hyaline. Legs fuscous, a dot on knees,
anterior tibiz and tarsiand middle and posterior tarsi, yellowish-white.
Abdomen small, black, subecompressed.
Hasrirat.—Jacksonville, Fla.
Type ¢ in Coll, Ashmead.

BOCCHUS Ashm., ven.noy.
(Type B. flavicollis Ashm., ¢ .)

Head large, broad, shaped much as in Dryinus, but the vertex not
impressed, the occiput very slightly concave; eyes large oval, promi-
nent; ocelli small, close together in a triangle. Antenne 10-jointed,
subfiliform, very slightly thickened toward tips, inserted just above the
clypeus, the scape longer than the first flagellar joint.

Maxillary palpi 4-jointed.

Mandibles 3-dentate, nearly equal, the inner tooth a little the smallest.

Thorax not much lengthened, much narrowed anteriorly and trun-
cate posteriorly, the angles of the truncature rounded; the pronotum
is almost as long as the mesonotum but much narrower, a little wider
anteriorly than at base, only about half the width of the very broad
head; mesonotum wider than long, with furrows; scutellum semicireu-
lar with a transverse furrow all across the base; metathorax much
shorter than high, abruptly truncate.

Front wings with a lanceolate stigma, two basal cells, and an open
marginal cell, the radius being long and curved.

Abdomen globose, distinctly petiolate, the petiole slender, eylin-
drical, as long as the hind coxe.

Legs as in Dryinus, the anterior tarsi chelate, the fourth joint not
much larger than the third.

This genus comes nearest to Dryinus, but is at once separated by the
4-jointed maxillary palpi, the difference in the shape of the prothorax,
the globose abdomen, the relative length of the anterior tarsal joints,
and by the vertex of the head not being impressed.

Only a single species is known, as follows:

Bocchus flavicollis, sp. nov.
(Ble NG Fis 6.0%.)

?. Length 3". Black, closely, finely punctulate, the head and
mesonotum tinged with brown. Head large, broad, subquadrate, not
impressed on the vertex, a little narrowed behind the eyes; eyes large.
Prothorax strongly contracted, yellow; two basal joints of antenne,
the legs and petiole pale rufous; flagellum subclavate, brown black.
Antenne 10-jointed, the pedicel about half the length of the first flagel-
lar joint, the first being about as long as the seape, the remaining joints

92 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

shorter but thicker. The pronotum is much narrower than the meso-
notum, although about as long; mesonotum with two furrows; scutel-
lum bifoveated, the fovex widely separated but connected by a trans-
verse line; metathorax short, coarsely rugose, with some dorsal raised
lines. Wings hyaline, with a fuscous band across the marginal cell
two-thirds the width of wing, almost devoid of pubescence; stigma
lanceolate; stigmal vein long curved; abdomen globose, black, petio-
lated, the petiole slender, rufous, as long as the hind cox, the second
and third segments very large, equal, occupying nearly the whole sur
face, the following segments retracted.

HApitrat.—Marquette, Mich.

Type ? in Coll. Ashmead.

Described from a single specimen captured by Mr. E. A. Schwarz.

CHELOGYNUS Haliday.
. Ent. Mag., 1, p. 273 (1833).
(Type C. fuscicornis Dalm.)

Head transverse, the vertex broad, convex; the cheeks oblique, the
occiput not deeply concave, margined; ocelli 3-in a triangle, but
widely separated; eyes oval, subprominent.

Antenne inserted just above the clypeus, 10-jointed, the first flagel-
lar joint scarcely as long as the scape, usually shorter, the following
joints short, in ¢ the following joints iengthened.

Maxillary palpi 5-jointed.

Mandibles truneate at tips, 3- or 4-dentate; the teeth acute, slightly
subequal, the inner tooth the smallest.

Thorax elongate; prothorax in? as long, or nearly as long, as the
mesonotum, subquadrate, obliquely impressed at sides, in 6 very short;
mesonotum usually with two distinct furrows or indicated anteriorly;
metathorax long, rounded posteriorly.

Front wings with a large ovate or subovate stigma, two basal cells
and a stigmal vein.

Abdomen subpetiolate, ovate, the second segment the largest, the
others gradually subequal.

Legs of moderate length, the femora obclavate, stout, the anterior
tarsi in the ? chelate.

The ovate stigma and the 5-jointed labial palpi sufficiently separate
this genus from Bocchus; and these characters, in connection with the
difference in the shape of the head and pronotum, and the differences
to be pointed out in the chele distinguish it from Pryinus; while the
longer pronotum, the 5-jointed maxillary palpi, and the differences in
the relative length of the anterior tarsal joints and the chelze can be
depended upon to separate it from Anteon.

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 93
TABLE OF SPECIES.

FEMALES.

mire valacknthevlersmutouge.+. 65/2 2-2 Jj bue coe soeelee eee eepe caaravee mel 2
Ferruginous, abdomen alone black.
Wings hyaline, with a fuscous band beneath stigma....._.. C. ATRIVENTRIS Cr.
2. Wings hyaline, with a fuseous band beneath the stigma.
Clypeus rufous; mandibles rufous, 4-dentate ....-.......C. HENSHAWI sp. nov.
Clypeus black; mandibles white, 3-dentate -...........C. CANADENSIS sp. nov.

Chelogynus atriventris Cress.
Dryinus atriventris Cr., Trans. Am. Ent. Soc., 1v, p. 193, 9; Ashm., Ent. Am.,
11, p. 74; Cr., Syn. Hym., p. 246.

?. Length, 4.5™". Ferruginous, with pale glittering pubescence;
head much broader than thorax; face, mandibles, and base of scape
beneath, pale yellowish; tips of antenne blackish; pleura with dense
Silvery pubescence; metathorax rugulose, posterior face depressed and
transversely aciculated; wings hyaline, with a dusky band beneath
stigma; posterior tibixe blackish at tips, their tarsi pale; abdomen
black, smooth, and polished.

HABITAT.—Texas.

Type 2 in Coll. Amer. Ent. Soe.

Chelogynus Henshawi sp. nov.

?. Length,5™™. Black, shining; head and prothorax finely rugose ;
mesonotum and scutellum smooth, polished; metathorax coarsely ru-
gose. Antenne and legs pale rufous; the 6 terminal joints of the
antenne fuscous, and the posterior femora towards apex above have a
large black spot. The antenne are 10-jointed, filiform, the first flagellar
joint the longest, about one-third longer than the scape. Clypeus and
mandibles rufous, the latter 4-dentate. Mesonotum with two sharply
defined furrows. Tegule rufous. Wings hyaline, with two fuscous
bands, one at the basal nervure, the other below the upper half of the
stigma; veins pale brown. Anterior femora much swollen, the tarsi
with large pincher-like claws, as long as the tibiz, and fringed with stiff
bristles on the inside.

HABITAT.—Milton, Mass.

Type 2? in Coll. Ashmead.

Described from a single specimen received from Mr. Saml. Henshaw.
It is the only species I have seen with 4-dentate mandibles.

Chelogynus canadensis sp. nov.
(@isvin ie. 10%)

@. Length, 2.5"™. Black; head and collar very finely punctate,
the mesonotum and scutellum smooth, the former with two furrows;
metathorax rugose. [Face sparsely covered with glittering silvery
hairs. Mandibles and palpi white. Antenne 10-jointed, brown, the
first flagellar joint about half the length of the scape, the remaining

94 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

joints very little longer than thick. Wings clear hyaline, stigma
brown, veins pale or hyaline. Legs pale rufous, the posterior cox
blackish basally; the pinchers of the anterior feet very small.

HABITAT.—Ottawa, Canada.

Type in Coll. Ashmead.

This species is described from a single specimen received from W.
H. Harrington, and comes nearest to the European C. fuscicornis Dali.

ANTEON Jurine.
Hymn., p. 302 (1807); Férst., Hymn. Stud., m1, p. 93.
Heterolepis Nees, Mon., 11, p. 271.
(Type A. Jurineanus Latr.)

Head transverse, the vertex wide, convex or subconvex, the occiput
slightly concave, margined; ocelli in a triangle; eyes ovate.

Antenne inserted just above the clypeus, 10-jointed; in the 2 sub-
clavate, the first flagellar joint hardly one-third the length of the scape,
the following joints short, the terminal joints thickened gradually;
in ¢ filiform, pilose, or pubescent, the first flagellar as long or slightly
longer than the scape, the following joints all lengthened, cylindrical.

Maxillary palpi 4-jointed; labial palpi very short, 2-jointed.

Mandibles truncate at tips, 3-dentate, the teeth acute, the outer
slightly longer than the others.

Thorax subovate, the prothorax short, narrowed and margined an-
teriorly, the sides oblique, impressed; mesonotum usually smooth and
without distinct furrows; metathorax at least as long as wide, rugose,
rounded posteriorly.

Front wings with a large ovate stigma, two basal cells and a stigmal
vein; other cells obliterated.

Abdomen ovate or oblong-oval, subpetiolate, the second segment the
largest, the others gradually subequal.

Legs moderate, the femora swollen or obclavate, the anterior tarsi
in 2 chelate.

A genus usually confused with Chelogynus and Dryinus, but quite
distinet. It has not a particle of resemblance to Dryinus, except in the
anterior tarsi being chelate. The shape of the head, the short collar,
and ovate stigma in front wing, readily separate it from that genus.
With Chelogynus, however, there is a closer resemblance, but the prono-
tum is always much shorter, often only visible from above as a slight
collar, while the maxillary palpi are 4-jointed. In Chelogynus the pro-
notum is always as long, or nearly as long, as the mesonotum, while
the maxillary palpi are 5-jointed.

The species are numerous, although nothing positively is known of
their habits.

The following table will afford assistance in distinguishing our
species;

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID A. 95
TABLE OF SPECIES.
FEMALES.

RPI CSo ny Alt OMe GhRUATICe Uae weer a7 o)5 21 -.ortatie Selsaitjs aoe os Sebo e eee 2
Wings with a wide dusky band below the stigma.
Head closely, densely punctate, opaque; mesonotum sparsely punctate; legs
reddish-yellow, tarsi white...-:..-..-.--- A. UNIFASCIATUS, Sp. nov.
ParAllmcoxse pale, except sometimes the hind cox... 2222s. sos soe vee tees eee 3
All coxie and femora black.
Posterior tibiwe black, rest of the legs rufous.
Head coarsely rugose; antennie long, dull rufous, densely pilose; mesonotum
with furrows § .----.-..----------+------.---- A, RUGOSUS, sp. nov.
Tibiw and tarsi dull honey-yellow, the tibix more or less fuscous at the middle.
Head finely, closely punctulate; antenne dark brown, the scape and pedicel
rufous; mesonotum without furrows 2 .......----.- A. TIBIALIS Say.
3. Hind coxx black or at least basally.
Legs rufous, mesonotal furrows indicated only anteriorly.
Head and thorax shining, sparsely irregularly shagreened, the collar trans-
versely rugulose; antennw brown-black, the seape rufous. @
A. POLITUS, sp. nov.
Posterior femora black above, legs yellowish.
Head and thorax shining, the head wrinkled, collar rugoso-punctate anteri-
orly; antennz honey-yellow -.-.--.-..---- A. PALLIDICORNIS, sp. nov.
Posterior femora and tibise embrowned,
Head closely punctate, opaque, the thorax sparsely punctate, shining; an-
tenn long, brown, pilose, the scape rufous 9 --.. A. PUNCTICEPS, sp. noy.
Hind cox black above toward base, rest of the legs rufous; mesonotal fur-
rows not at all indicated.
Head closely, finely punctate, opaque, collar rugulose anteriorly, mesono-
tum closely microscopically punctate 9 -...-.. A. MINUTUS, sp. nov.
All coxwx pale, legs reddish-yellow.
Mesonotum polished, the furrows slightly indicated anteriorly.
Head finely closely punctate, subopaque, collar very short, rugulose at sides ;
antenne as long as the body, pilose, the second and third joints shorter
than the scape, the fourth and beyond as long as the scape. g
A. POPENOE! Ashm.

Anteon unifasciatus, sp. nov.

?. Length1.8"™, Black, shining; the head opaque, closely, densely
punctured; the meso- and pronotum more sparsely punctate, sparsely
pubescent, the latter somewhat transversely rugulose anteriorly ; meta-
thorax rugose. Antenne, mandibles, palpi and tegule reddish-yellow.
Antenne 10-joited, a little thickened at tips, the scape 34 times as
long as the pedicel, the first flagellar joint a little shorter than the
pedicel, the second and third nearly equal, much shorter than the first,
the remaining joints all longer and stouter. Wings hyaline, with a
broad dusky band across the stigmal region of the wing, the venation
pale or hyaline, the large stigma brown.

HABITAT.—Biscayne Bay, Florida.

Type 2 in National Museum.

Described from a single specimen taken by KE. A, Schwarz.

96 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Anteon rugosus, sp. nov.

é. Length, 4.5"™, Head and thorax, except the disk of mesono-
tum and scutellum, very coarsely rugose, the mesonotum and seutellum
sparsely but coarsely punctate; head very large and thick, the face
with silvery white hairs; mandibles, scape, tips of anterior femora,
their tibiz and tarsi, ferruginous; rest of legs, except the tarsi, black;
flagellum brown-black, very pilose; wings hyaline, the stigma large,
brown-black, with a pale spot at base; nervures distinet but pale. Ab-
domen very narrow, small, polished, black, subcompressed. Antenne
10-jointed, as long as the head and thorax united, tapering toward tips,
the flagellar joints nearly equal in length, four or more times longer
than thick, the scape thicker and a little longer than the first flagellar
joint.

Haprrat.—tIllinois.

Type in Coll, Ashmead.

Described from a single specimen.

Anteon tibialis Say.

30st. Jour., I, p. 284; Lec, Ed. Say’s Works, 1, p. 730; Ashm. Ent. Am., II, p. 74;
Cress. Syn. Hym.'p. 246.

6. Length, 3™™. Black, shining; head and prothorax finely pune-
tured; mesonotum smooth, without furrows; metathorax rugoso-pune-
tate with some elevated lines toward base. Antenne 10-jointed, fus-
cous, covered with a short pubescence, the scape and pedicel dull yel-
low; flagellum subclavate, brown, the joints after the first less than
twice as long as thick. Wings hyaline, the stigma brown, the nervures
hyaline, subobsolete, the stigmal vein very short, scarcely haif the
length of the stigma. Legs black, extreme tips of the femora and tibiw
and tarsi dull honey-yellow.

HapiratT.—Indiana and District of Columbia.

The specimen from which this description is drawn up was taken by
Mr. Schwarz, and agrees exactly with Say’s description.

Anteon politus, sp. nov.
(Pl. v1, Fig. 2,9.)

2. Length, 2.6™, Polished black; head, collar, and mesopleura
irregularly microscopically shagreened ; metathorax rather coarsely
rugose; collar distinct, less than half the length of the mesonotum;
mesonotum with furrows indicated only anteriorly; legs (except the pos-
terior cox, Which are black basally, and the posterior tibize and tarsi,
which are fuscous) rufous. Antenne 10-jointed, reaching only a little
beyond the tegule, brown-black, the scape rufous; flagellar joints only
a little longer than thick. Wings hyaline, the stigma large, brown, the
nervures distinct pale yellow, the stigmal vein about as long as the
stigma. Abdomen ovate, subpetiolate, polished black, depressed, not
quite as long as the thorax.

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID&. so

Haprrar.—Toronto, Canada.

Typein Coll Ashmead.

Described from a single specimen received from Mr. W. Hague Har-
rington.

Anteon pallidicornis sp. noy.

2. Length, 1.5™™. Black, shining; head large, broad, finely sha-
greened; collar, mesopleura, and metathorax rugose; legs yellowish,
posterior coxe, their femora, above and beneath, and tips of their tibice
black or fuscous. Antenne 10-jointed, rather short, entirely honey-
yellow, the flagellum a little thickened toward tip; first flagellar joint
about one-third longer than the pedicel, the two following subequal,
joints 4 to 7 stouter, scarcely longer than thick, the last ovate, nearly
twice as long as the penultimate. Mesonotum and sentellum polished,
impunctured, the mesonotal furrows not extended through to the seu-
tellum. Wings hyaline, the stigma brown, the nervures yellowish, dis-
tinct. Abdomen ovate, depressed, polished black, much narrower, but
as long as the thorax.

HABITAT.—Utah Lake, Utah.
Type in Coll. Ashmead.
Described from a single specimen given to me by Mr. E. A. Schwarz.

Anteon puncticeps sp. noy.

6. Length, 1.75™™. Black, closely punctate, the disk of the me-
sonotum and the seutellum polished, impunctate; head rather coarsely
punctate; mandibles, palpi, scape, and anterior and middle legs, pale
or brownish-yellow; posterior legs dark brown, the trochanters, knees,
and tarsi pale; middle tibi a little dusky towards tip above. Anten-
ne 10-jointed, the flagellum brown, pilose; the scape is three times as
long as the pedicel; first flagellar joint very slightly shorter than the
following, the following joints being 5 times as long as thick. Parap-
sidal furrows only indicated anteriorly. Mesopleura and metathorax
rugose. Wings hyaline, the stigma pale brownish-yellow, the nervures
distinct but pale; the stigmal nervure is a little longer than the stigma,
angularly bent before the tip.

Hasrrat.—Arlington, Va., and Vancouver Island.

Types in Coll. Ashmead.

Two specimens. Thespecimen from Vancouver was obtained through
the collector, Mr. H. F. Wickham, the other was taken by myself at
Arlington, Va.

Anteon minutus sp. nov.

2. Length, 1.2™™. Black, shining; the head and thorax with a
close, delicate punctuation; the scutellam smooth, highly polished.
Antenne and legs brownish-yellow, the former dusky toward tips;

21899—No, 45 7

98 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

posterior coxie above, the middle tibiz above, and the posterior femora
and tibiz above, more or less piceous. Antenne 10-jointed, reaching
to the tip of metathorax, incrassated toward the tips, the terminal
joint twice as jong as the penultimate; the pedicel stouter but not
longer than the first flagellar joint, the joints beyond submoniliform.,
The collar is about one-third the length of the mesonotum, above
‘finely, transversely rugulose; esonotum without furrows; scutellum
smooth, polished, with a row of punctures surrounding the posterior
margin; metathorax finely rugose. Wings hyaline, the veins pale,
the stigma large, brown, with a pale spot at base, the stigmal vein
short. Abdomen small, ovate, subpetiolate, smooth and shining, about
as long as the thorax, excluding the collar.

HAsBitat.—Washington, D. C.

Type in Coll. Ashmead.

Described from a single specimen given to me by E. A. Schwarz.
The species is the smallest known, and could easily be mistaken for a
small Aphelopus.

Anteon Popenoei Ashm.

Dryinus Popenoei Ashm., Bull. No. 3, Kans. Exper. Sta., App., p. 1, June, 1888.

4. Length, 2™". Black; head subopaque, microscopically punctuate ;
thorax and abdomen polished, black; metathorax and mesopleura
finely rugose; the superior edge of the truncature in the former mar-
gined. Clypeus anteriorly arcuate, smooth. Mandibles 4-dentate, pale
brown. Antenne 10-jointed, brown, with sparse, long, white hairs;
pedicel small, half the length of the scape; first flagellar joint longer,
but shorter than the fourth; fourth joint and those beyond, except the
last, nearly equal, about as long as the scape. Wings hyaline, the
stigma large, pale-brown, the stigmal vein short. Legs, including coxe,
reddish-yellow.

HABItTAT.—Riley County, Kansas.

Type in Kansas State Agricultural College.

MYSTROPHORUS Forster.
Hym. Stud., 1, p. 91 (1856); Ruthe, Berl. Ent. Zeits., 1859, p. 120.

(Type WM. formiceformis Ruthe. )

Head large, broad, subquadrate, nearly twice broader than the tho-
rax, the occiput not emarginate; ocelli 3, triangularly arranged; eyes
oval.

Antenne in both sexes 10-jointed, in 2 subclavate, the pedicel small,
the first flagellar joint a little longer and slenderer than the scape, the
following shorter. |

Maxillary palpi 4-jointed; labial palpi 2-jointed.

Mandibles truncate at tips, with 5 nearly equal, acute teeth,

.

MONOGRAPH OF THE NORTH AMERICAN PROTOCTRYPID®. 99

Thorax elongate; the prothorax nearly twice as long as the meso-
thorax; mesonotum short, semicircular, without furrows, the seutellum
small; metathorax large, longer than the prothorax, not areolated.

Front wings in é short, spoon-shaped, with two basal cells, a stigma,
and a stigmal vein; ° apterous.

Abdomen short, ovate.

Legs as in Aphelopus.

A peculiar little genus, closely allied to Aphelopus, but readily dis-
tinguished by the long and broad prothorax and the absence of meso-
notal furrows. The genus is unknown in our fauna.

APHELOPUS Dalman.

Anal. Ent., pp. 8-14 (1823); Forster Hym. Stud., u, p. 91.

(Type A. melaleucus Dalm.)

Head transverse, wider than the thorax, the vertex broad, convex,
the occiput slightly emarginate; eyes large, oval, hairy; ocelli 3 in a
triangle, but widely separated, the lateral ocelli nearer the margin of
the eye than to each other.

Antenne inserted just above the clypeus, 10-jointed, in ° shorter
than in the é, subclavate, the scape very short, scarcely longer than
the second, the others variable in length, in ¢ filiform, hairy, the sc&pe
usually longer than the third, the last joint sometimes thickened.

Maxillary palpi long, 5-jointed; labial palpi short, 2-jointed.

Mandibles truncate at tips, with 3 small teeth.

Thorax ovoid; the prothorax not or scarcely visible from above;
mesonotum as broad as long, convex, without furrows; metathorax
not longer than high, rounded posteriorly.

Front wings with a large oval stigma, a short Stigmal vein and two
basal cells, which are often subobliterated on account of the paleness
of the nervures.

Legs moderate, the femora not obelavate, the tarsi simple in both
Sexes,

TABLE OF SPECIES.

Head, thorax, and abdomen black, the head sometimes maculate ............_.. 2
Head and thorax black, the abdomen rufous.

Antenne and legs yellow 9 ....-. 2.01. -22220 20222... A. RUFIVENTRIS sp. nov.

2. Head with white or yellow marks SPEC REOT Lyi eects Bh Seen TNS NS cas nt cahg

Head entirely black.
Clypeus subtriangular,
Legs honey-yellow; antenn:e nearly as long as the body, brown, pilose, the
caper allo We ()-smeeeehe ane ee VAD AMERICANUS AShin.
Clypeus truncate.
Legs dull rufous, the posterior femora and tibxe fuscous or black ; antenne
much shorter than the body, black, pilose ¢. A. MELALEUCUS Dalm,

100 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

3. Head anteriorly from a little above the msertion of the antennie and ineluding
‘the lower part of cheeks, the elypeus, mandibles, and palpi white.
Clypeus anteriorly truncate.

Anterior and middle legs white, sometimes the middle femora fuscous, pos-
terior legs fuscous, with sometimes most of the coxie, trochanters
and base of the femora white 9 ........---- A, MELALEUCUS Dahn.

Clypeus anteriorly slightly emarginate at the middle.
Pronotum and all legs, except the apical half of posterior femora and their
LIbISS.wWibTte@ Soe =seeces coe cee eon A. ALBOPICTUS sp. nov,
Head anteriorly from a little above the insertion of the antenne and including
the lower part of the cheeks, clypeus, and mandibles, pale brownish
yellow; palpi white.
Clypeus anteriorly arcuate.
Legs honey-yellow, the posterior tibize fusecous 2 ....-.. A. AFFINIS sp. nov.

Aphelopus rufiventris sp. nov.

?. Length,2™™". Head and thorax black, minutely punctate ; ab-
domen rufous ; antenne and legs honey-yellow. Antenne 10-jointed,
short, the flagellum subclavate ; scape stout, as long as the pedicel and
first flagellar joint united ; first flagellar joint scarcely as long as the
pedicel, joints 2 and 3 subequal, those beyond searcely as long as thick.
Mesonotum with furrows indicated only anteriorly. Wings hyaline,
the nervures, excepting the stigmal, obsolete ; stigma very large, pale
brown, the stigmal vein very short, oblique, only about one-third as long
as’ the stigma. Metathorax rounded off posteriorly, rather coarsely
rugose. Abdomen oblong-oval, much narrower than the thorax, but
fully as long, rufous.

Hapirat.—Jacksonville, Fla,

Type in Coll. Ashmead.

A species readily distinguished by the color of the abdomen, the an-
tennie, and the venation of anterior wings.

Aphelopus americanus Ashm.
Ent. Am., ui, p. 74, ¢; Cress., Syn. Hym., p. 247.

é. Length, 1.5". Black, subopaque, finely punctate, and covered
with a fine whitish pubescence ; mesonotum and seutellum smooth,
polished, with only a few faint widely separated punctures ; clypeus
subtriangular. Antenne 10-jointed, long, reaching to the middle of the
abdomen, the scape brownish-yellow, the flagellum brown, covered with
i Short, deuse pubescence, the joints of the flagellum three times as
long as thick. Mesonotum with 2 faint furrows. Wings hyaline, the
stigma large brown, the other nervures very pale, or hyaline, the stig-
mal vein being as long as the stigma. Legs honey-yellow, the posterior
femora and tibis fuscous or black. Abdomen very small, black, shining.

HAsBirat.—Jacksonville, Fla.

Type ¢ in Coll, Ashmead,

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 101
Aphelopus melaleucus Dalman.
(Pl. vr, Fig. 3, 2.)

Gonatopus melaleucus Dalm., Sv. Ak. Hand1., 1818, p. 82 9 ; Dalm., An. Ent., p. 14.

Dryinus atratus Dalm, loc. cit., p. 15. :

Aphelopus melaleweus Nees., Mon., U1, p. 388, 9; Walk., Ent. Mag., 1v, p. 427, pl.
VI ow Oe

Aphelopus atratus Nees., Mon., U1, p. 389 @.

Aphelopus melaleucus Thoms., Ofv., 1860, p. 179, ¢ 9 ; Marsh., Cat. Brit. Hym., Ped

2. Length,1.8™™. Black; anterior orbits, face below the eyes, cly-
peus, except sometimes a central line, mandibles and anterior cox and
legs, white; middle legs, honey-yellow; posterior legs, except a spot
beneath the coxie and the trochanters, usually brown or piceous; an-
tennie brown, the flagellum a little thickened towards the tip, the first
four joints nearly equal, the three following stouter, but much shorter,
the last joint nearly twice as long as the preceding.

é. Length, 1.5™™. In this sex the clypeus and the mandibles are
white, the legs brown or fuscous, the apical half of anterior femora,
their tibie and tarsi, honey-yellow or whitish; the other legs are also
sometimes varied with yellow.

HABITAT.—Europe, Canada.

This European species is recognized in our fauna from a single female,
taken at Ottawa, Canada, by Mr. W. H. Harrington. Monsieur Alfred
Giard has bred it in France, from Typhlocyba hippocastani and T.
douglasi, and has given a most interesting account of its habits, in the
Comptes Rendus des Séances de VAcadémie des Sciences for 1889.

Aphelopus albopictus sp. nov.

?. Length, 1.5™". Black, shining, the head alone finely, closely
punctulate, subopaque; face below the front ocellus, clypeus, mandi-
bles, lower part of cheeks, palpi, anterior and middle legs, pronotum to
the tegule, and the propectus, white or yellowish-white; posterior legs
embrowned, the cox, trochanters and base of femora and tibixe, white ;
clypeus anteriorly slightly emarginate at the middle. Head large, sub-
quadrate, with a slight carina between the anteune. Antenne 10-
jointed, dark brown, slightly thickened toward tips, densely pubescent;
the first flagellar joint is a little longer than the short scape, the former
the stouter; joints 4, 5, and 6 slightly longer than the first, the seventh,
eighth, and ninth shorter, only a little longer than wide, the tenth about
twiceas long as the penultimate. Mesonotum with the furrows indicated
only anteriorly. Metathorax rugose, obliquely rounded off posteriorly.
Abdomen very small, compressed, about half the length of the thorax,
polished, black. Wings hyaline, the nervures, except the large brown
stigma, very pale and indistinct, or subobsolete; stigmal nervure as
long as the stigma, slightly arcuate.

HaApBitat.—Washington, D. C., and Bladensburg, Md.

Types in Coll. Ashmead.

102 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Two specimens, both captured by Mr. E. A. Schwarz. The species
comes nearest to A. melaleucus, but shows more white, has a different
shaped clypeus and with the joints of the antenne relatively different.

Aphelopus affinis, sp. nov.

9. Length, 2.2". Black, shining; head and thorax very minutely
punctate, metathorax rugulose; face from the frons, including the clyp-
eus and mandibles, ferruginous; clypeus anteriorly rounded; antennee
brown; legs (except the posterior tibiz, which are fuscous), entirely
honey-yellow. Antenne 10-jointed, a little thickened toward tips, the
scape not longer than the first flagellar joint, flagellar joints 1 to 3
about three times as long as thick, the following to the last about twice
as long as thick, the last much longer and thicker than any of the
others. Wings hyaline, the stigma and stigmal vein brown, the other
nervures hyaline, subobsolete; the stigmal vein is arcuate and a little
longer than the stigma. Abdomen as long as the thorax, strongly
compressed.

HABITAT.—Canada.

Type ° in Coll. Ashmead.

Described from a single specimen.

Subfamily [V.—CERAPHRONIN A,

Head transverse, when viewed from in front oval, rounded, or oblong.
Ocelli 3 in a triangle, rarely wanting. Mandibles oblong, bidentate at
tips. Antenne elbowed, inserted at base of the elypeus; in males 11-
jointed (in a single case 10-jointed), filiform, dentate or subramose; in
females 9-, 10-, or 11-jointed, filiform or clavate. Maxillary palpi 4-
or 5- jointed; labial palpi 2- or 5-jointed. Pronotum short, visible from
above only as a transverse line; mesonotum large, transverse, rarely
without grooved lines, usually with 1, 2, or 5 grooved lines; scutellum
large, convex or subconvex, the axillz distinct; metathorax very short,
rounded behind, the angles slightly prominent. Front wings with a
large stigmated, or linear, marginal vein, a radial nervure, a more or
less distinct basal cell, and always without a postmarginal nervure;
lind wings simple, rather broad at base, and entirely veinless. Apterous
forms frequent. Abdomen subsessile, ovate, composed of 8 segments,
the second occupying about half its surface, striated at base. Legs
moderate, the posterior femora the stoutest, the tibial spurs 1, 1, 1,
the anterior spur large, divided into two prongs, the middle and
posterior spurs weak, short; tarsi 5-jointed, the claws small, simple.

A somewhat extensive and widely distributed group, more closely
allied to the three preceding subfamilies than to those that follow,
except possibly the tribe Telenomini, in the Scelionine, but with quite
a different habitus; the hind wings are never lobed, the anterior wings
with a wholly different venation, while the structure of the thorax and

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 103

abdomen is quite distinct. The non-lobed hind wings, venation, dif-
ferent antenne, and shape of mandibles, at once separate the species
in this group from the Bethyline, Emboleminz, and the Dryinine;
while from the only two groups that follow, with which they would
likely be confused—the Scelionine and the Platygasterine, which
like themselves have non-lobed hind wings and the antenn inserted
close to the mouth—they may be readily distinguished by the widely
different antenni, the shape of the head, venation, and non-carinated
abdomen.

If we accept the published records as accurate, this group has great
diversity of habits.

Ratzeburg has recorded Megaspilus sp. from a bombycid, a syrphid,
two cecidomyiids, a Chermes, a scolytid and a tortricid; Ceraphron species
from a tineid, a Tomicus, a Curculio and a Brachonyx; and a Lygocerus
from a cynipid. Unquestionably, so far as the hosts are concerned,
some of these records are inaccurate. The records in this country and
others published abroad, show the group attacks almost exclusively
the homopterous family Aphididae, and the dipterous family Cecidomyiide.
All reared by me, as well as those reared by Dr. Riley, except in a single
instance (the rearing of a Lygocerus, by Dr. Riley, from a tortricid,
Sarrothripa rawayana, which is of questionable accuracy) have been
from Aphids and Cecidomyiids. It is not improbable, therefore, that a
parasitized Aphid was on the same leaf when the Lepidopteron was
placed in the breeding jar.

Some such explanation may also account for the rearing of these in-
sects by Ratzeburg from Lepidoptera, and his rearings from Coleoptera
may be accounted for by the supposition that they were accompanied
by inquilinous Dipterous larve.

To accept without question such diversity of habits in the genera of
this group it seems to me would be unscientific.

The group seems to divide naturally into two tribes distinguished
as follows:

Marginal vein stigmated; antenne, with the same number of joints in both sexes,
ABLE Omit Uae eres ernistatela stare tay seiatel sa lalahalal= ata at siete at alata sei ial = Tribe I.—MEGASPILINI
Marginal vein linear, never stigmated; antennz with a less number of joints in the
females than in the males; males with 10- or 11-jointed antennw; females 9- or
LO=joinbedias eces comes Sarai kyvielooetey sien wb else sees See Tribe I],—CERAPHRONINI

Tribe L—MEGASPILINI.
The genera in this tribe are not numerous and may be tabulated as
follows:
TABLE OF GENERA.
FEMALES.

1. Mesonotum without or with 1 or 2 impressed linesS........-0-------+------220--- 2
Mesonotum with 3 impressed lines.
Metathorax with a forked spine at base .......-.--.------ HABROPELTE Thoms.

104 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Metathorax net spined at base.
With wings.
Wings bare, without cilia 22-22, -csese eee ee ccese TRICHOSTERESIS Forster
Wings pubescent, with cilia.
Eyes usually bare; mesonotum not narrowed anteriorly.
LyYGOCERUS Forster
Eyes pubescent; mesonotum narrowed anteriorly... EGASPILUS Westw.
Wingless.
Maxillary palpi 5-jointed; labial 3-jointed; thorax not much narrowed.
MEGASPILUS Westw.
Maxillary palpi 4-jointed; labial 2-jointed; thorax much narrowed.
EUMEGASPILUS Ashm.

2. Mesonotum with 2 impressed lines; apterous......---.------ DicuogMus Thoms.
Mesonotum with 1 impressed line; apterous.
Eyes small; ocelli wanting -..-.-.--.--.---..--+..-------.-LAGYNODES Forster
Eyes large; ocelli present; winged .-..--.. .........<..---- ATRITOMUS Forster
Mesonotum without furrows; subapterous.
HKyes large, bare; ocelli distinct ..... 2.0. --.0 come scene coe ATRITOMUS Forster
MALES
1. Mesonotum withoutimpressed dines. -. o<.<onerscaverssecbe ccesnespecme meee anne 2
Mesonotum with 3 impressed lines.
Metathorax with a forked spine at base ............------ HABROPELTE Thoms.

Metathorax without a forked spine at base.
Wings bare, without cilia -....... cee --0 -200 ---- 1 RICHOSTERESIS FOrster
Wings pubescent, with cilia.
Antenne dentate or ramose .......---.--..- adits <epeiea bp LYGOCERUS Forster
Antenne simple, filiform.
Maxillary palpi 5-jointed; labial palpi 3-jointed....MEGaspiLus Westw.
Wingless.
Maxillary palpi 4-jointed; labial palpi 2-jointed. .. KUMEGASPILUsS Ashm.
Mesonotum with 1 impressed line (Atritomus).
2. Antenne toothed or serrate ---. -2---- === ses eee eee ee eee ATRITOMUS Forster
Antennz with 5 long branches, a branch on each of the first five flagellar joints,
DENDROCERUS! Ratzb.

HABROPELTE Thomson.
Ofv., 1858, p. 288.
Megaspilodes Ashm., Can. Ent., xx, p. 48 (1888).
(Type H. tibialis Boh.)

Head transverse, the face not greatly lengthened, occiput margined;
ocelli 3, triangularly arranged; eyes oval, hairy.

Antenne inserted just above the elypeus, long, filiform, 11-jointed in
both sexes, the scape scarcely as long as the first flagellar joint, pedi-
cel very small, hardly longer than wide, the flagellar joints lengthened,
equal or very gradually subequal.

1'This genus is unknown to me, and in the preparation of this work was at first
overlooked. It was described and figured by Ratz. in Die Ichn. d. Forstins., Band
3, p. 181 (1852), where a full description of the male, the only sex known, is given.
While apparently closely allied to Lygocerus, I believe it to be distinct.

.

>

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 105

Maxillary palpi 5-jointed; labial palpi 3-jointed.

Mandibles bidentate at tips.

Thorax subovate, the prothorax not visible from above, contracted
into a little neck at the junction with the head; mesonotum subde-
pressed, with 3 furrows; scutellum large, subcouvex, longer than wide,
rounded posteriorly and with a distinct frenum; metathorax short,
slightly emarginate, with 2 teeth at base.

Front wings with a large, oval stigma, a parastigma and a curved
stigmal vein.

Abdomen subsessile, ovate, subeonvex above, convex beneath, the
second segment occupying fully two-thirds of the whole surface, longi-
tudinally striated, the following segments very short, the last pointed.

Legs moderate, pilose, the femora slightly swollen, the posterior pair
the thickest, tibie subclavate, the tibial spurs not very well developed,
tarsi shorter than their tibice.

The genus is distinguished from other genera with 3 mescnotal fur-
rows, by the 2 erect teeth or spines at the base of the metathorax,
the larger flattened scutellum, and the longer, denser pilosity of the
legs.

[Iwo closely allied species are known i: our fauna, separable as fol-
lows:

FEMALES.

Legs black, base and tips of tibiw and the tarsi, dark rufous.

Antenne, except sometimes the first 2 flagellar joints, black; the first flagellar
joint thrice as long as the pedicel; axillie separated from the scutellum by 5
LARSEN CULES ase ats > 54 eGa se oe = See Blak chee eee he H. ARMATUS Say

Legs black, trochanters, bases, and tips of femora, tibiwe except at the middle and
tarsi, rufous.

Antenne black, the scape, pedicel and first 2 flagellar joints, rufous; the first fla-
gellar joint less than thrice as long as the pedicel; axillie separated from
fhe seutielinm by8 punctures. ..-:- ..-...--2-2s<jsss sis: H. FUSCIPENNIS Ashi.

MALES.
Axillie separated from the scutellum by 5 large punctures.

First flagellar joint a little longer than the scape; last joint of palpi nearly twice
ASO Cyaset re tOUnb Mae woete osc Semen scare ee eA H. ARMATUS Say

Axillie separated from the scutellum by 8 punctures.

First flagellar joint not longer than the scape; last joint of palpi not one-half longer
Uae NO nOMnt eee ese iae = § Sfe oe -eijas Maes Poses ace H. FUSCIPENNIS Ashin.

H. fuscipennis Ashm.
Megaspilodes fuscipennis Ashin., Bull. 3, Kans. Exp. Sta. App., p. 11, 1888.

62. Length, 3.5™". Shining black, pilose; head and thorax ante-
riorly rugose, rest of the thorax smooth, the face with a narrow, smooth
space in front of the ocelli, antennal depression absent. Maxillary
palpi long, the last joint 14 times longer than the fourth. Antenne
11-jointed, in 2 incrassated toward tips, the scape long, obclavate; the

106 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

scape, pedicel, and first two flagellar joints are brownish-yellow, the
first flagellar joint more than twice as long as the pedicel; in ¢ filiform;
the scape is equal in length with the first flagellar joint, the following
joints slightly shorter, all black or dark fuscous, about 5 times as long
as thick; last joint of palpi one-half longer than the fourth. Prothorax
very short, narrower than the mesothorax and below the dorsal line
depressed and produced into a slight neck. Mesothorax truncate be-
fore, with 3 coarsely punctate furrows. Scutellum with a punctate
frenum. Axillee separated from the seutellum by about 8 punctures.
Metathorax armed in the middle, behind the scutellum, with two blunt
teeth or spines. Wings fusco-hyaline, darker beneath the stigma, the
stigmal vein about twice as long as the stigma; both brownish-black.
Legs dark rufous or reddish-brown, the coxve and femora black, with
sometimes the tibive black or dusky. Abdomen with coarse longitu-
dinal striz to near the apex of the second segment.

HaApirat.—Washington, D. C.; Arlington, Va; Manhattan, Kans.,
and Wyoming.

Types in Coll. Ashmead and Kansas State Agricultural College.

Described from several specimens.

Habropelte armatus Say.
(Pl. v1, Fig.4, ¢.)

Ceraphron armatus Say, Bost. Jour., 1, p. 276; Lec. Ed., Say, 0, p. 724.
Lygocerus armatus Ashm., Ent. Am., 111, p. 98.

Ceraphron armatus Cress. Syn., Hym., p. 248.

Megaspilodes armatus Ashmn., Bull. 38, Kans. Exp. Sta., 11, 1888.
Telenomus stygicus Prov. Add. et. Corr., p. 189.

6 @. Length, 3.4 to 3.8"", Much like fuscipennis, but may readily
be separated by the following differences: The 2 antennie are usually
black, except sometimes the first two flagellar joints, which are pale
brownish, or at least beneath, the first flagellar joint being thrice as
long as the pedicel; in the é the first flagellar joint is a little longer
than the scape; while the axille are separated from the scutellum by
five large punctures, which is a constant character in both sexes. In
the 6 the last joint of the palpi is nearly twice as long as the fourth.
The legs in both species are variable in color, exhibiting more red in
some specimens than in others.

HaApirat.—tindiana and Arlington, Va.

Types in Coll. Ashmead.

Hither one of these species could be used as typical of Say’s species;
but as Say’s type is no longer in existence it devolves upon me to
designate which should be known as the type, his description not being
sufficiently definite to decide, and I have, therefore, separated them as
above.

- MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID&. 107

TRICHOSTERESIS Forster.
Hym. Stud., 1, p. 97 (1856).
Thliboneura Thois., Ofv., 1858.
(Type 7. glabra Boh.)

ie Head transverse, the face, seen from before, not longer than wide,
bs the occiput margined; ocelli 3 in a curved line; eyes broadly oval, not
ef hairy.

Antenne inserted just above the clypeus, 11-jointed, subfiliform, the
scape 3 or 4 times as long as the first funiclar joint, the pedicel longer
than thick, the joints beyond the third short. .

Maxillary palpi 5-jointed; labial palpi 3-jointed.

Mandibles bidentate.

Thorax ovoid, the prothorax not visible from above; mesonotum not
or scarcely narrowed anteriorly, with 3 distinct impressed lines; scutel-
lum large, subconvex, longer than wide, rounded posteriorly; meta-
thorax short, rounded posteriorly, unarmed, the spiracles large, orbi-
cular.

Front wings entirely bare, without pubescence, with a large oval
stigma and a short, almost straight, stigmal vein, which is usually
shorter than the stigma; no parastigma.

‘Abdomen ovate, smooth, the second segment the largest, occupying
about half the length of the abdomen.

Legs not pilose.

The non-pubescent wings will distinguish the genus from Lygocerus
and Megaspilus, with which it is most closely allied.
Only one species, closely resembling the European 7. glaber Boheman,
is known in our fauna.
Trichosteresis floridanus Ashm.,
(Pl. vi, Fig. 5, 2.)
Ent. Am. 111, p. 98; Cress. Syn. Hym, p. 313.

2. Length 2.5™™, Black, shining, finely alutaceous. Antenne
1i-jointed, dark-brown, the first flagellar joint a little longer than the
pedicel, the folowing joints, except the last, scarcely longer than thick,
the last conic. Legs piceous black, the trochanters, knees, tips of
tibiv, and the tarsi dark honey-yellow or reddish. Wings clear hyaline,
without pubescence, the stigma large, semirotund, brown, the stigmal
vein not quite as long as the stigma.

HaAsirat.—Jacksonville, Fla.

Type in Coll. Ashmead.

LYGOCERUS [orster.
Hym. Stud., 11, p. 97 (1856).
Ceraphron Thoms., Ofv. 1858, p. 287.
(Type L. ramicornis Boh.)

Head transverse, seen from before, the face broader than long, the

= SaF Pe:

108 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

occiput faintly margined; ocelli 35, arranged nearly in a straight line;
eyes large, oval, smooth, or but faintly pubescent.

Antenne inserted just above the clypeus, 11-jointed in both sexes,
the seape long, extending above the ocelli; in 2 subfiliform, the joints
of flagellum only slightly longer than thick; in ¢ some of the flagellar

joints always dentate or with short hairy branches.

Maxillary palpi 5-jomted; labial palpi 3-jointed.

Mandibles bidentate.

Thorax ovoid, the prothorax not visible from above; mesonotum not
narrowed anteriorly, with 3 impressed lines; scutellum large, longer
than wide, subconvex, without a distinct frenum; metathorax very
short, rounded posteriorly.

Front wings pubescent, with a large oval or semicircular stigma,
and a slightly arcuate stigmal vein, distinctly longer than the stigma.

Abdomen ovate, smooth, subpetiolate, the second segment the long-
est, not striate at base.

Legs finely pubescent, but not pilose, the last joint of posterior tarsi
not longer than the second.

A genus parasitic principally on aphidsid, and probably universally
distributed.

The males are readily separated from those in Megaspilus, and in the
other genera in the tribe having 3 mesonotal furrows, by the ramose
or serrate antenne, while the females are separated with difficulty;
the non-pubescent or but slightly pubescent eyes, the mesonotum be-
ing as wide anteriorly as posteriorly, and the lateral mesonotal fur-
rows, before reaching the anterior margin, curving somewhat obliquely
toward the anterior angles, will, however, at once distinguish them.

Our species are not numerous, and may be separated by the aid of
the following table, except possibly LZ. triticum Taylor, which at one
time I considered to be identical with L. (Megaspilus) niger Howard,
but which I now consider distinct, Miss Taylor’s figure of the male
antennie of her species being wholly different from that of Mr. How-
ard’s species:

TABLE OF SPECIES.

FEMALES.

Legs, including cox, uniformly reddish-yellow. ...--..----. L. FLORIDANUS Ashm.
Posterior cox black; legs pale brownish.
Antenne black, scape pale brownish beneath; first flagellar joint as long as
the pedicel).....5 sa2. 25 scence asetiewe cae ees Soe L. PICIPES, sp. Noy.
All coxee black.
Legs black, tibix piceous, knees, anterior tibiz, and all tarsi, honey-yellow.
Antenne wholly black; first flagellar joint not quite as long as the pedicel.
L. STIGMATUS Say.
Legs black or piceous, the tibizx, and tarsi brownish-yellow.
Mesopleura almost smooth; antennze black, the first Hagellar joint much
longer than the pedicel... ......6- <..-.-0- 20 STS L. NIGER How.

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 109

Legs brownish-yellow.
Mesopleura smooth polished; antennie black, the first flagellar joint not

lon xerauhane pedicel ecsper son = ao eo eee L. 6-DENTATUS, sp. nov.
e Mesopleura shagreened; first flagellar joint much longer than pedicel.
i‘ ; L. PACIFICUS, sp. nov.
( MALES.

Antenne ramose.
Flagellar joints 1 to 7 ramose; legs uniformly reddish-yellow.
L. FLORIDANUS Ashm.
MagellarjomtsH to 4ramose-2-2-- ---25---22---- 2-5-5: 5-25 L. TRITICUM Taylor.
Antenne serrate, black.
Flagellar joints 1 to 5 dentate; first flagellar joint twice as long as thick.
L. STIGMATUS Say.
Flagellar joints 1 to 5 dentate; first flagellar joint scarcely twice as long as thick.
Coxe black, the legs brown, with the anterior tibiz and all tarsi honey-yellow.

gerne

Stigmal vein 1} times as long as the stigma. --...-.... L. 6-DENTATUS, sp. nov.
Stigmal vein not longer than the stigma.-..--.-.---. L. CALIFORNICUS, sp. nov.
Flagellar joints 1 to 7 dentate; first flagellar joint stout, 24 times as long as thick.
Mesopleuraiscaly=punctater- 5-2. ent see. ee anes on see seeelns cee. L. NIGER How.

Lygocerus floridanus Ashm.

Chirocerus floridanus Ashm., Trans. Am. Ent. Soc. Mo. Proc., 1881, p. 34.
Lygocerus floridanus Ashm., Ent. Am., 11, p. 98.

é 2. Length, 2 to 2.2™™. Black, closely, finely punctate, sub-
opaque; abdomen black, highly polished, pointed at tip, the petiole
striate; legs, including coxe, reddish-yellow. Antenne in ? brown,
acuminate at tips, the flagellar joints a little longer than thick; in é
flagellar joints 1 to 7 ramose, covered with sparse long hairs. Wings
hyaline, the stigma large, semicircular, brown, the stigmal vein about
one and one-third times as long as the stigma.

HaABrrat.—Jacksonville, Fla.

Types, ¢ and 2, in Coll. Ashmead.

All my specimens were reared from a large aphis on pine, Lachnus
australis Ashin.

Lygocerus picipes, sp. noy.

@. Length, 1.8™™. Black, subopaque, finely shagreened; abdomen
black, polished; legs brownish, piceous, the trochanters, knees, and
tarsi yellowish, hind coxe black. Antenne 11-jointed, acuminate at
tips, brown-black, the scape yellowish beneath; the pedicel is a little
longer than the first flagellar joint; the second flagellar joint a little
shorter than the first; the third and following slightly longer. Wings

‘ hyaline, the large stigma dark brown, the stigmal vein less than twice
as long as the stigma.

HABITAT.—Ottawa, Canada.

Type in Coll. Ashmead.

Described from a single specimen received from W. Hague Harring-
ton.

The color of the anterior and middle coxze and the scape beneath
will at once separate the species from those that follow.

110 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Lygocerus triticum Taylor.
Ceraphron triticum Taylor, Am. Agric. 1860, p. 300, f. 1; Cress. Syn. Hym., p. 248.

This fly does not correspond with the above (Ceraphron destructor Say), therefore
I have named it triticum, from the botanical name of wheat. It is not of such a
shining black as Mr. Say’s fly, but is rather rusty in appearance from a few hairs
scattered over its body. In some specimens, when very fresh, the legs have a bright
tinge of yellow. The antenne (b, Fig. 2) are termed setigerous (having the basal
joint large) and the last four globular, the intermediate one furnished with four
long bristles resembling plumes. This isa very sure mark for distinguishing this
family according to European classification. The eyes are large in proportion, the
palpi 3-jointed. The fore wings have submarginal cells, with a faint nervure run-
ning to apex. The under wings have a long nervure running through and two
smaller ones descending to the inferior region; these are so very slight, that you can
only see their existence by a deep shade of the wings in a strong light, but are
evidently nervures, indistinct asthey are. The ovipositor is retractile and tubular,
The fly deposits her eggs in the pupa of the Hessian fly. ( Taylor.)

Unknown to me, and the above deseription is copied from the Amer-
ican Agriculturist. Miss Taylor further informs us that “this fly can
be found in every wheat field throughout the country, from spring to
autumn.” Her description is very imperfect, and her figure of the
male antenna strongly recalls the branched antenna of an Hulophus.

Lygocerus stigmatus Say.

Ceraphron stigmatus Say, Boston Journ., 1, p. 277; Lec. ed. Say’s Works, u, p. 724.
Lygocerus stigmatus Ashm., Ent. Am., U1, p. 98.
Ceraphron stigmatus Cr., Syn. Hym., p. 248.

é 2. Length,1.4™". Black, pubescent, closely, minutely punctulate,
subopaque; abdomen ovate, pointed at tip, highly polished, the petiole
striate; legs piceous black, the anterior tibize and tarsi and knees on
middle and hind legs and their tarsi, pale or honey yellow. Antenne
in 2 slightly thickened toward tips, the flagellar joints beyond the third,
scarcely longer than wide; in the é the first five flagellar joints dentate,
pilose, the first joint being about twice as long as thick, excluding the
short pedicel.

Wings hyaline, the stigma semicircular, brown, the stigmal vein about
12 the length of the stigma. +

HaABirat.—Indiana; Canada.

Specimens in Coll. Ashmead and National Museum.

Recognized from specimens bred by Mr, James Fletcher, at Ottawa,
Canada, from the raspberry aphis.

Lygocerus niger Howard.

Megaspilus niger How., Ins. Life, vol. 11, p. 247.,9, f. 52.
Ceraphron triticum Smith, Rep. N. J. Exp. Sta., 1890, p. 502, f. 18.

2. “Length, 1.6"; expanse, 3.33"; greatest width of fore wing,
0.62"™, Scape of antenne very long, somewhat swollen beyond middle;
funicle long, curved, all joints increasing gradually in width from ped-

>) ? ‘ 5

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDE. 111

icel to club; joint 1 of funicle somewhat longer than pedicel, joint 3
shorter, joints 4 to 8 increasing in length very slightly. Head and
mesonotum very faintly shagreened, but still glistening; lower portion
of mesopleura and all of abdomen perfectly smooth. Abdomen sub-
ovoid in shape, acutely pointed at tip. Radial vein only slightly curved,
extending a little more than half way from stigma to tip of wing.
General color jet black; all trochanters, femora, and wing veins dark-
brown; all tibiz and tarsi lighter brown.” ( Howard.)

The 2 is slightly smaller, with the flagellar joints 1 to 7 dentate, the
first being 24 times as long as thick, excluding the pedicel, while the
mesopleura are scaly-punctate.

HApBitatT.— United States.

Types in National Museum.

Parasitic on the wheat aphis, Siphonophora avenw Fabr.

Allied to L. stigmatus Say, but relatively larger, and at once distin-
guished by the difference in the length of the flagellar joints.

Lygocerus 6-dentatus, sp. nov.
(BIE vi, Fics) 3.)

?. Length,1.2™™. Black, coriaceous, faintly sericeous; mesopleura,
coxe, and abdomen highly polished, shining, impunctured; legs brown-
ish yellow, the coxe polished black; wings hyaline, the stigma semi-
circular, brown, the stigmal vein 14 times as long as the stigma;
antenne brown-black, the pedicel and first flagellar joint equal, the
last joint longer than the pedicel.

6. Length, 1.1™™. Agrees well with the 2, except that all the fe-
mora and the posterior tibize are darker, the antennz black, the flagel-
lar joints 1 to 6 serrate, with long hairs, the first being scarcely twice
as long as thick.

HABiItTatT.—District of Columbia.

Types, ¢ and 2, in National Museum.

This species is labeled as having been bred July 22, 1886, from Sarro-
thripa rawayana, on willow; but evidently the record is unreliable, and
in all probability it came from some Aphidid or Cecidomyiid overlooked
by the recorder.

Lygocerus californicus, sp. nov.

8. Length, 11™™. Black, shining, alutaceous; abdomen piceous
or obscure, rufous basally; legs brown, the anterior tibize and tarsi
honey-yellow, the cox black. Antenne black, flagellar joints 1 to 6
serrate, pubescent. Wings hyaline, the stigma semicircular, the stigmal
nervure nearly straight, not, or scarcely, longer than the stigma.

HAxBiratT.—Los Angeles, Cal.

Type in National Museum.

Described from a single é specimen reared by Mr, A, Koebele, from
a Cecidomyiid gall on Larrea mexicana,

112 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

This species comes quite close to DL. 6-dentatus, but is distinguished
at once from that species and all the others by the brevity of the
stigmal nervure and in having the abdomen piceous basally.

Lygocerus pacificus, sp. noy.

9. Length 2.5™™, Black, opaque, shagreened or closely punctate;
antenne long, black, the tip of pedicel reddish-yellow; first flagellar
joint long, distinctly longer than the pedicel, the following joints a
little shorter, about equal in length; mesopleura shagreened; wings
subhyaline, the stigma large, oblong, brown, the stigmal vein much
longer than the stigma; legs brownish-yellow, the cox black; abdo-
men emarginate at apex, the ventral valve and ovipositor slightly
prominent.

HApBirat.—Placer County, Cal.

Type in National Museum.

Described from a single specimen. It is the largest species I have
as yet seen in this genus; and its size, opaque surface, color of the
legs, and the shape of the stigma will at once separate it from the
others in our fauna,

MEGASPILUS, Westw.

Phil. Mag., 1, p. 128 (1832); Férst., Hym. Stud., m1, p. 97 (1856); Thoms., dfv., 1858,
p. 287.

Eumegaspilus Ashm. (pars) Can. Ent., xx, p. 48, 1888.
(Type M. abdominalis, Boh.)

Head transverse, the occiput margined; ocelli small, in a triangle;
eyes ovate or long-oval, pubescent or hairy.

Antenne inserted just above the elypeus, 11-jointed in both sexes,
filiform or subfiliform, the scape long, the first flagellar joint usually
much lengthened, the male with simple joints, never dentate nor ramose.

Maxillary palpi 5-jointed; labial palpi 3-jointed.

Mandibles bifid at tips.

Thorax ovoid, the prothorax slightly visible from above and produced
into a slight collar anteriorly; mesonotum slightly narrowed anteriorly,
with three impressed lines; scutellum longer than wide, subconvex,
rounded behind, with a distinct frenum; metathorax short, with acute
angles.

Front wings pubescent, with alarge subovate stigma, truncate at apex,
the stigmal vein usually long and curved, the parastigma slightly de-
veloped. Wingless forms not uncommon.

Abdomen ovate, subpetiolate, the petiole short, stout, and strongly
channeled, the second segment very large, striated at base.

Legs pilose, the posterior femora somewhat swollen, the last joint of
the posterior tarsi longer than the second.

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID&. 113

This extensive genus was very properly separated from Ceraphron
Jurine, by Prof. Westwood, as early as 1832. In 1856 Dr. Arnold Foérs-
ter again separated from it the genus Lygocerus, to contain those species
having bare eyes and serrate antenne in the males. The habits of the
two genera are identical, and their structural differences have been
sufficiently pointed out in my remarks under the genus Lygocerus.

In 1888, I erected the genus Humegaspilus for some wingless forms
which I now find are true Megaspili. The hame, however, is retained
for a closely allied apterous form, differing in several particulars from
Megaspilus.

Our species are numerous, and may be distinguished by the follow-
ing synoptical table:

TABLE OF SPECIES.

FEMALES.

1. Face very finely closely punctate or Blagrecned 222. e223 Ae oo es. ee
Face smooth, polished, impunctured.
Apex of abdomen compressed, truncate, and gaping open, so that the valves of
the ovipositor project.
Legs brownish-yellow; antenne brown-black.
Pedicel shorter than the first flagellar joint ..M. ANOMALIVENTRIS, sp. nov.
Pedicel as long as the first flagellar joint; scape and pedicel pale.
M. POPENOEI, sp. nov.
Apex of abdomen normal.
Legs brownish-yellow; antennew brown-black.
Pedicel as long as the first flagellar joint ...2.......M. AMBIGUUS, Sp. nov.
Pedicel much shorter than the first flagellar joint.
Posterior tibix with a brown streak above... ----M. STRIATIPES, sp. nov.
2. Wings wanting or not aubly developed... casmeeewsteees cided aan sobeseincelo
Wings fully developed.
Species shining.
Face finely shagreened or rugose.
Scape and legs pale brownish-yellow.
Pedicel concolorous with HAS elu lens syssee cece M. SCHWARZI, sp. nov.
Pedicel brownish- yellow.
Face rather coarsely rugose.

Posterior cox not black. 2: i:2-...eeseeceeces M. MARYLANDICUS, sp. nov.
Posterior coxe and femora dusky. ...:............M. HARRINGTONI Ashm,
Stigma piceous-black, wings subfuscous.
Stigma brown, wings clear by aline s.22 5.2.4 M. HYALINIPENNIS, Ashm.

Species opaque, the thorax sometimes subopaque.
Face closely finely punctulate.
Hind coxe black.
Scape, pedicel, and legs rufous, the posterior femora and tibize fuscous;
pleura scaly-punctate ..................--...... M. PENMARICUS, sp. noy.
Scape, pedicel, and legs brownish-yellow ......... M. VIRGINICUS, sp. nov.
3. Wings abbreviated and narrow, reaching not quite to the middle of the abdomen.
Scape, pedicel, first three flagellar joints, and legs, pale yellow.
M. OTTAWENSIS Ashm.
Wings reaching only to the tip of the petiole.
Antenne brown-black, scape beneath and legs brownish-yellow.
M. CANADENSIS Ashm,

21899—No. 45——8

114 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

MALES,

Species smooth, shining.
First flagellar joint much longer than the second, the second and the following
at least thrice as long as thick.
Scape and legs brownish-yellow.

Wings clear hyaline; length 1.6™™ ... 22. ...25.2-2. M. LEVICEPS, sp. noy.
Wings fusco-hyaline; length 2™™___..........:..... M. AMBIGUUS, Sp. nov.
Antenne wholly brown-black, legs rufous..---..-. M. CALIFORNICUS, sp. nov.

First flagellar joint not much longer than the second, the second and the fol-
lowing scarcely twice as long as thick.
Antennxe brown; legs rufous, abdomen piceous or rufous toward base.
M. PERGANDEI.

Megaspilus anomaliventris, sp. nov.

?. Length, 2.4™™. Black, shining; head and thorax finely aluta-
ceous; antenne brown-black; legs reddish-yellow, the posterior cox
a little dusky basally; abdomen polished black, becoming piceous at
apex. Eyes very large, occupying the greater portion of the sides of
the head, pubescent. Antenne 11-jointed, the flagellum flagellate, the
scape long, projecting beyond the ocelli; pedicel small, about half the
length of the first flagellar joint, the latter the longest joint, the second
shorter than the first, the third and following joints to the last stouter
and nearly of an equal length, very slightly longer than the second,
the last more slender and a little longer than the penultimate. Wings
hyaline, pubescent, with a faint dusky blotch below the stigmal vein,
the stigma large oval, truncate behind, brown, the stigmal vein less than
one and a half times as long as the stigma.

HABitatT.—Marquette, Mich.

Type 2 in Coll. Ashmead.

Described from a single specimen collected by E. A. Schwarz.

Megaspilus Popenoei sp. nov.

?. Length,1.8™™. Black, shining, impunctured, witha sparse greyish
pubescence; scape, pedicel, collar, and legs, including the cox, brown-
ish-yellow; flagellum black, abdomen beneath and towards base piceous.
Antenne 11-jointed, subclavate, the flagellum slightly more than twice
as long as the scape; the first flagellar joint is equal to the pedicel, the
second, third, and fourth shorter than the first but stouter, the follow-
ing longer than thick, the last conic, nearly twice as long as the penul-
timate. Wings subfuscous, hyaline at base, the parastigma slightly
developed, the stigma ovate, the stigmal vein about one and a half
times as long as the stigma; all the nervures dark-brown. Abdomen
longer than the head and thorax together, compressed and gaping open
at apex.

HAsBitat.—Manhattan, Kansas.

Type 2 in Kansas State Agricultural College.

Described from a single specimen received from Prof. E, A. Popenoe
and in honor of whom the species is named.

ee

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDH. 115

Megaspilus ambiguus sp. noy.

é 2. Length, 12to16™",. Black, shining, finely alutaceous; scape
and legs brownish-yellow. The posterior cox black basally. Inthe 4
the prosternum and the collar laterally are yellow. Mandibles and
palpi pale. Antenne I1-jointed, in 2 the flagellum flagellate, the
pedicel and first flagellar joint of an equal length, the following to the
last only slightly longer than thick, the last joint two and a half times
as long as thick; in the ¢ filiform, the flagellum black, pubescent, the
pedicel and the first flagellar joint together distinctly shorter than the
Scape; the first joint of the flagellum is not more than 4 times as long
as thick, the second shorter, the following to the last nearly equal, a
little less than thrice as long as thick, the last joint about one-fourth
longer than the penultimate. Wings hyaline, very faintly tinged with
fuscous, the stigma brown, the stigmal vein two and a half times
the length of the stigma.

HABrrat.—Arlington, Va., and Washington, D.C.

Types 6 2 in Coll. Ashmead.

Described from several specimens taken by Schwarz, Pergande and
myself.

The species is closely allied to M. leviceps, but it is slightly larger,
with a fine alutaceous sculpture, and with a difference in the relative
length of the antennal joints.

Megaspilus striatipes sp. nov.
CRIs Bion (s O:,)

?. Length,1.4™. Black, shining; vertex of head and thorax very
faintly shagreened, the face smooth and highly polished. Scape and
legs brownish-yellow, the posterior femora and tibiz with a fuscous
streak above. Antenne I1-jointed, the flagellum flagellate, stout,
black, a little more than twice the length of the scape; the scape is
long, extending beyond the ocelli; the pedicel is much shorter than
the first flagellar joint; the latter is much longer and slenderer than
the second; remaining joints widening, but still all a little longer than
thick, the last very slightly longer than the penultimate. Wings fus-
cous, the stigma large, brown, the stigmal vein less than twice the
length of the stigma.

HABITAT.—-Ottawa, Canada.

Type ? in Coll. Ashmead.

Described from a single specimen received from Mr. W. Hague
Harrington.

Megaspilus Schwarzii sp. nov.

2. Length, 1.8"™. Black, shining, very finely shagreened, the scutel-
lum smooth; scape and legs brownish-yellow; the propectus piceous.
Antenne 11-jointed, the flagellum brown-black, about two and a half
times as long as the seape, the pedicel as long as the first flagellar joint,
the latter the narrower, the following joints to the last, a little shorter,

116 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

but gradually thickened, the last joint twice as long as the penultimate.
Wings hyaline, the stigma brown, the stigmal vein one and a half times
as long as the stigma, Abdomen very slightly longer than the thorax,
smooth and polished, pubescent toward tip, the venter flatter than
usually, the petiole and second segment at base, striate.

HABITAT.—Washington, D. C.

Type 2 in Coll. Ashmead.

Described from a single specimen received from Mr. E. A. Schwarz.

Megaspilus marylandicus sp. nov.

?. Length,2.4™. Black, subopaque, finely shagreened and sparsely
pubescent; the seape, pedicel, and legs reddish-yellow. Antenne 11-
jointed, the flagellum brown, slightly paler basally, not longer than
twice the length of the scape; the pedicel yellow, distinctly shorter
and thicker than the first flagellar joint, the second shorter than the
first, third and fourth about equal, shorter than the fifth, the fifth to the
last about equal, very slightly longer than thick, the last twice as long
as thick. Wings fuscous, the stigma brown, the stigmal vein slightly

more than twice the length of the stigma. Abdomen a little longer -

than the head and thorax together, black, polished, boat-shaped below,
somewhat flat above.

HABITAT.—Oakland, Md.

Type 2 in Coll. Ashmead.

Described from specimens received from Mr. KE. A. Schwarz.

Megaspilus Harringtoni Ashm.
Can. Ent. vol. xx, p. 48.

62. Length,2to2.5""™, Black; head and thorax with a fine reticu-
late punctuation; abdomen polished black. Antenne 11-jointed, the
scape and pedicel dull yellow, the flagellum brown black; the pedicel
is not quite as long as the first flagellar joint. Legs dull yellow, the
posterior cox black, the anterior and middle coxze dusky basally, the
posterior femora fuscous or dusky. Wings subhyaline, pubescent, the
large stigma and stigmal vein brown.

Abdomen the length of the thorax, the petiole yellowish.

The ¢ differs from 2? only in its slightly smaller size and in the long
filiform antenna, the joints of the flagellum being about four times as
long as thick, the scape yellowish toward the base,

HABITAT.—Ottawa, Canada.

Types ¢ 2 in Coll. Ashmead.

The types were taken by Mr. W. H. Harrington.

Megaspilus hyalinipennis Ashm.
Ent. Am., 111, p. 98; Cress. Syn. Hym., p. 313.

?. Length, 2™™. Robust, black, alutaceous, with a very sparse,
pale pubescence. Antenne 11-jointed, filiform, dark brown; the pedicel

a

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID&H. 117

is a little shorter than the first flagellar joint, the second joint a little
shorter than the first, the remaining, except the last, which is longer,
subequal with second. Legs pale brown, the femora and tibixe fuscous.
Wings clear hyaline, the Stigma large, brown, the stigmal vein about
twice the length of the stigma. Abdomen polished black, pointed and
Sparsely pubescent at tip, the petiole and second segment, at base,
Striolate.

HABITAT, Jacksonville, Fla.

Type 2? in Coll. Ashmead.

Megaspilus virginicus, sp. noy.

2. Length, 2.2™™, Robust, black, opaque, shagreened, with a

Sparse whitish pubescence; the head more coarsely shagreened than

the thorax; the scutellum finely shagreened and Shining; seape and
legs brownish yellow. Antenne 11-jointed, the flagellum brown-black,
twice the length of the scape, the latter not extending beyond the
ocelli; pedicel not quite as long as the first flagellar Joint; the second
and third flagellar joints equal, about half the length of the first, but
stouter, the joints beyond a little longer and stouter, the last not much
longer than the penultimate, Wings fusco-hyaline, the stigma brown-
black, the stigmal vein about one and a half times as long as the stigma.
Abdomen as long as the head and thorax together, black, Shining, with
a rather dense, fine pubescence toward apex.

HABITAT.—Arlington, Va.

Type 2 in Coll. Ashmead.

Described from a single specimen.

Megaspilus canadensis Ashm.

Eumegaspilus canadensis Ashm., Can. Ent., xx, p. 49.

¢. Length, 2.2™™, Black, shining; the head and thorax alutace-
ous, with two small fovee on each side of the front ocellus; occiput
distinctly margined; eyes pubescent. Antenne 11-jointed, subclavate,
brown-black, the scape pale beneath, the first flagellar joint longer than
the pedicel, the following very slightly subequal to the last, the last
one-third longer than the penultimate. Wings extending only to
tip of the petiole. Legs, including cox, brownish-yellow. Abdomen
highly polished, the petiole striate.

HABITAT.—Canada.

Type 2 in Coll. Ashmead.

Described from a single Specimen received from W. Hague Harring-
ton.

Megaspilus ottawensis Ashm.

Humeguspilus ottawensis Ashm., Can. Ent. xx, p. 49.
?. Length, 2™, Black, shining, impunctured; eyes large, pubes-
cent. Antenne 11-jointed, subclavate, the scape, pedicel, first three

118 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

flagellar joints, and the legs honey-yellow. Wings linear, extending
not quite to the middle of the abdomen. Abdomen black, polished,
with striw at base.

Haprrat.—Ottawa, Canada.

Type 2 in Coll, Ashmead.

Described from a single specimen received from W. Hague Harring:
ton.

Megaspilus leviceps, sp. nov.

é. Length, 1™™. Black, highly polished; scape and legs pale
brownish yellow; flagellum brown-black; mandibles black; the short
petiole and a streak at base of abdomen yellowish. Head transverse,
sparsely hairy, the occiput with a distinet margin, the face convex,
smooth, shining. Palpi pale. Antenne 11-jointed, longer than the
body; the pedicel and the first flagellar joint together are as long as
the scape, the pedicel very small, rounded; the flagellum is cylindrical,
covered with a short, rather dense pubescence, the first joint about 5
times as long as thick, the second one-third shorter, the following very
slightly shorter. Wings hyaline, the stigma semicircular, brown; the
stigmal vein nearly twice as long as the stigma.

HaAprrat.—Arlington, Va.; Washington, D. C., and Bladensburg,
Md.

Types, all és, in Coll. Ashmead.

A specimen was taken by E. A. Schwarz at Bladensburg, Md.; the
others were captured by myself on the outskirts of Washington and
along the banks of the Potomac River, in Virginia.

Megaspilus californicus, sp. nov.

é. Length, 2.2%". Black, smooth, shining; the head transverse,
obliquely narrowed behind the eyes. Antenne 11-jointed, filiform,
longer than the body, brown-black, the scape long, reaching much be-
yond the ocelli, the pedicel very small, rounded, the first flagellar joint
more than six times as long as thick, the following joints shorter,
subequal. Legs pale rufous. Wings subhyaline, the stigma large,
brown, the stigmal vein two and a half times as long as the stigma,

Haprrat.—California.

Type ¢ in Coll. Ashmead.

Megaspilus Pergandei, sp. nov.

é. Length, 12™™. Black, smooth, shining; the vertex of head and
thorax faintly alutaceus. Antenne 11-jointed, slightly longer than the
body, brown, the scape not rei ching beyond the ocelli, the pedicel
small, oval, the first flagellar joint scarcely thrice as long as thick, the
following shorter, about twice as long as thick, except the last, which

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYTIDA. 119

is almost as long as the first. Legs rufous or reddish yellow. Wings
subhyaline, pubescent. Abdomen a little longer than the thorax, pol-
ished black, a little rufous or piceous toward base.

HAsBitTat.—District of Columbia.

Type in Coll. Ashmead.

Described from a single specimen.

DICHOGMUS Thomson.
Ofv, 1859, p. 301.
(Type D. dimidiatus Thoms. )

Head large, wider than the thorax, the front convex, the occiput
narrowly margined; ocelli 3 triangularly arranged, the eyes rather
large.

Antenne inserted just above the clypeus, 11-jointed in both sexes,
in é longer than the body, filiform, densely pubescent.

Maxillary palpi 5-jointed; labial palpi 5-jointed..

Mandibles bidentate.

Thorax subovoid, with a slight collar, the mesonotum with 2 im-
pressed lines, the metathorax very short.

Wings entirely wanting.

Abdomen ovate, the apex slightly pointed; the second segment very
large, very faintly stiolate at base.

Legs pubescent.

A European genus not yet recognized in America. It resembles
Lagynodes Forster and Humegaspilus Ashm., but is easily separated
from both by the two distinct mesonotal furrows. I have seen speci-
mens of the genus in Europe.

EUMFGASPILUS Ashm.

Can. Ent., Vol. xx, p. 49, 1888.
(Type, EH. erythrothorazx.)

Head broadly transverse, across the eyes twice as wide as the thorax,
the occiput distinctly margined; ocelli 3, small, triangularly arranged ;
eyes large, oval, faintly pubescent.

Antenne inserted just above the clypeus, 11-jointed in both sexes;
in 2 subclavate, the first flagellar joint longer than the pedicel; in 4
filiform, the first flagellar joint two-thirds the length of the scape, the
following joints lengthened, cylindrical.

Maxillary palpi 4-jointed; labial palpi 2-jointed.

Mandibles bifid.

Thorax narrowed, the prothorax visible from above only as a slight
neck; mesonotum trilobed; scutellum semicircular, margined behind,
the axillze scarcely traceable; metathorax short, truncate behind, the
upper edge of truncature margined,

Wings entirely wanting.

120 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Abdomen as in Megaspilus, the petiole short, striate, the second seg-
ment occupying a little more than half the whole surface, the follow-
ing segments short.

Legs pubescent, the posterior tarsi with the first joint as long as all
the remaining joints united, the last joint not longer than the second.

Allied to the wingless forms in Megaspilus, but with a much larger
head, narrower thorax, and with 4-jointed, not 5-jointed, maxillary
palpi. It has also a superficial resemblance to the genus Lagynodes
_Forster, but the thorax in that genus is not trilobed and the male has
an acute spine between the base of the antenne.

Two species, HE. canadensis and ottawensis, described in Canadian
Entomologist, Vol. xx, p. 49, under this genus I find are nothing but
wingless species belonging to the genus Megaspilus. The genus as now
restricted will contain but a single species, as follows:

Eumegaspilus erythrothorax sp. nov.
(Pl. vi, Fig. 6 9.)

2. Length, 1.9"™. Head and abdomen black; face, scape, thorax,
and petiole pale rufous or brownish-yellow; legs pallid yellow. Head
and thorax closely, minutely punctulate; petiole striate; pedicel and
flagellum black, the first flagellar joint longer than the pedicel. Ab-
domen smooth, shining, much longer than the head and thorax united.

é. Length, 1.5™™. Agrees with the ?, except that the head, the
pedicel, and the base of the abdomen as well as the thorax are brown-
ish yellow, while the flagellar joints are long and cylindrical, the first
being 4 times as long as the pedicel.

Hapirat.—Jacksonville, Fla.

Types ¢ and 2 in Coll. Ashmead.

A pretty and easily recognized species, apt to be mistaken for a La-
gynodes, but readily distinguished from the characters pointed out in
the generic description.

LAGYNODES Forster.
Beitr. 1841, p. 46.
Microps Hal., Ent. Mag. 1 (1833).
(Type L. pallidus Boh.).

Head deflexed, when viewed from in front, longer than wide, convex,
in 2 with an impression above the antenne, in the é with a spine be-
tween the antenne; occiput delicately margined; ocelli wanting; eyes
very small, rounded.

Antenne inserted close to the elypeus, 11-jointed in both sexes, the
scape long, longer than the head, the pedicel more than twice as long
as thick, the flagellum subclavate, the terminal joint not longer than
thick, submoniliform.

Maxillary palpi short, 4-jointed; labial palpi 2-jointed.

Mandibles bifid.

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDE. 121

Thorax oblong, compressed at sides, subeonvex above, the collar not
apparent, the mesonotum with a delicate impressed median line, scu-
tellum small, metathorax very short.

Wings wanting.

Abdomen pointed ovate, subpetiolate, twice the length of the thorax
and much wider, beneath strongly convex, above subconvex, the sec-
ond segment very large, occupying about two-thirds of the whole sur-
face.

Legs pilose, the last joint of posterior tarsi twice as long as the see-
ond, claws small, simple.

The small eyes, absence of ocelli, and the form of the thorax, suf-
ficiently separate this genus from all the others in the tribe Mega-
spilint. The male is readily distinguished by having an acute spine
between the antenne.

Only a single species has been recognized in our fauna, as follows:

Lagynodes minutus, sp. noy.
(PES wa, Eis 1059) :))

9g. Length, 1 to 1.5™™. Honey-yellow to reddish-yellow, polished,
impunctured, sparsely pilose; the antennie basally and the legs pale
or whitish. Antenne 11-jointed, thickened toward tips, the apical joints
brown; the flagellar joints, except the last, which is oblong, are not
longer than thick. The mesonotal line is only indicated posteriorly, or
entirely wanting. Abdomen with a few raised lines at base, the sec-
ond segment at apex ti: ged with fuscous or brown.

HABITAT.— Washington, D. C., and Arlington, Va.

Types in Coll. Ashmead and National Museum.

Described from many specimens taken by myself and Schwarz.

The species is much smaller, more slender, and paler colored than
the European L. rufus Forster (=L. pallidus Boh.).

ATRITOMUS Forster.
Kl. Mon., p. 56 (1878).
(Type A. coccophagus Forst. )

Head transverse, stout, wider than the thorax, when viewed from in
front, wider than long; eyes large, rounded, prominent, bare; ocelli 3,
triangularly arranged.

Antenne inserted at the clypeus, 11-jointed, in 3 serrate, in @ fili-
form, the first three flagellar joints small.

Maxillary palpi 4-jointed; labial palpi 2-jointed.

Mandibles bidentate.

Thorax subovoid, the prothorax not visible from above; mesonotum
with a single central impressed line or without impressed lines; the
seutellum large, longer than wide, the axille usually, but not always,
separated; metathorax very short, the angles rounded.

Front wings as in Lygocerus, with a large semicireular stigma.

122 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Abdomen ovate, subpetiolate, the second and third segments the
longest, subequal, the following short.
Legs as in Ceraphron.

This genus, as here recognized, differs from Ceraphron in having a
stigmated marginal nervure and serrate antenne in the male; and
from Lygocerus and Megaspilus in having, at the most, only a single
mesonotal furrow.

Forster characterized the genus as being without trace of a mesono-
tal furrow; but, as I have found to be the case in Aphanogmus, species
probably oceur with and without a furrow.

A single species is known in America.

Atritomus americanus, sp. nov.
CBE wien Oo)

é. Length,1.3"™™, Black, shining, feebly microscopically punctate;
antennz brown; legs reddish-brown, the cox black; abdomen piceous;
mandibles black or piceous. Head transverse, a little wider than the
thorax. Eyes large, oval, bare. Antenne as long as the body, the
pedicel small, triangular, the first, second, third, and fourth funiclar
joints subserrate, the first the longest, a little more than thrice as long
as thick, the following a little shorter. Thorax scarcely narrowed be-
fore, with a delicate, central grooved line. Metathorax rounded be-
hind. Wing hyaline, pubescent, the stigma large semicircular, reddish
brown, the stigmal vein a little longer than the stigma. Abdomen
ovate, as long as the thorax, the petiole very short, rugose, the second
segment occupying about half of the remaining surface, the third and
fourth equal, longer than the following, the following very short; clasp-
ers flat, distinctly extended.

HABrirat.—Odenton, Md.

Type 4 in Coll. Ashmead.

Described from a single specimen taken by Mr. E. A. Schwarz.

Tribe I1.—CERAPHRONINI.

The species in this tribe can always be distinguished from those in the
Megaspilini by the linear marginal nervure and the paucity of joints
in the female antenne, the mesonotum, at the most, having but a single
impressed line.

The genera may be recognized by the aid of the following table:

TABLE OF GENERA,

FEMALES,
Antenns 9-jointed . 2... sa-rccew es cae sche ee ee ae oe mista ae sae oa cine ete 3
Antenne 10-jointed.
Wingless [06s .s oscar caine css sls pce ease eee i ence eee ees ee eee eee 2

MONOGRAPH OF THE NORTIL AMERICAN PROCTOTRYPIDA. 123

Winged.
Mesonotum with a median impressed line.
Seutellum flat or subconvex, with a marginal frenum....CERAPHRON Jurine.
Seutellum convex, acuminate, without a frenum ...---- APHANOGMUS Thoms.
Mesonotum without a furrow (= Synarsis Forst.)....---- APHANOGMUS Thoms.
2. Mesonotum with a median impressed line..-..-....-----.-----.---.---- CERAPHRON.
Scutellum flat or subconvex with a frenum-.-....-.........-.---.- CERAPHRON.
Semellum! convex. withouubh a trenumlss2--. 225-555 toes) oe APHANOGMUS.
Mesonotum without a median furrow...-...-..---.----------- ....-APHANOGMUS.
3. Mesonotum with a median impressed line....----.--.- NEOCERAPHRON, gen. nov.
MALES.
PASIe TNT OO =] OUT e Ceepepeea eratege verte ete ates else isan t= orate ete alale eine oem ieee olaetoreeoatal=t= 3
Antenne 11-jointed.
Mesonotumuwibhoutia medianeimapressed: lanes sc2 fe sacs se = sinice = =\< 1 2
Mesonotum with a median impressed line.
Scutellum depressed with a marginal frenum.
FAM GNI SLM Ol Ceres eee te she sea era inverts 6 cpereisisoal= nial ne Savers, aysiere SERAPHRON.
Scutellum convex, acuminate, without a frenum.
PAT GE TUN Cots OL UO Spar eee ee nein se ein ene mintns ole APHANOGMUS Thoms.
2. Scutellum convex, acuminate, without a frenum.
Amipennece Sernabo) secs oes Sees ens ae oa os AP HANOGMUS Thoms.
3. Mesonotum with a median impressed line.
Aerie gill LOM aay ae eewteeekece saiSets sels = Se ea NEOCERAPHRON, gen. nov.

CERAPHRON Jurine.

Hym., p. 303 (1807).
Calliceras Nees, Mon., 11, p. 280, 18; Thoms. Ofv., 1858, p. 302.
Hadroceras Forst., Beitr., p. 46 (1841).
Ceraphron Foérst., Hym. Stud., 11, p. 97, 1856.
Megaspilidea Ashm., Can. Ent., xx, p. 49 (apterous forms).

(Type C. sulcatus Jurine.)

Head transverse, when viewed from in front oblong or oval, convex,
impressed above the antennie; ocelli 3, triangularly arranged; eyes
oval.

Antenne inserted just above the clypeus, in 2 10-jointed, subclavate,
the scape long, obclavate; in 4, 11-jointed, filiform, pubescent, or
pilose.

Maxillary palpi 4-jointed; labial palpi 2-jointed.

Mandibles bidentate.

Thorax subovoid, the prothorax not visible from above, mesonotum
with a median impressed line, rarely entirely wanting, the scutellum
elongate, flattened or subconvex, with a distinct frenum; metathorax
short, the angles acute or prominent, and with 1 or 2 teeth at base.

Front wings pubescent, with a short linear marginal vein and a
rather long curved stigmal vein; apterous individuals of frequent oc-
currence.

Abdomen subsessile, ovate, compressed beneath, subconvex above
and longer than the thorax, the second segment large, striolate at base.

124 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Legs pubescent, the posterior tarsi with the first joint elongate,
joints 2-4 subequal.

The majority of the species in this genus are minute and closely re-
semble those in Aphanogmus Thoms., although they are readily sepa-
rated by the shape of the scutellum, which is broader, more flattened, or
subconvex, without a frenumn, the antenne in the males being filiform,
not dentate or serrate, as in that genus. Apterous forms are quite
common and will probably prove to be dimorphic forms of the winged
species.

The records of rearings, with but few exceptions, show the group is
almost exclusively parasitic on the dipterous family Cecidomyide and
the homopterous family Aphidide.

The species known to me in our fauna may be thus tabulated:

TABLE OF SPECIES.

FEMALES.
Wineed: forms -. 22 ccsa.2ccs cue sees cecise osicoe serie t ace cesciccs shese cee aces 2
Wingless forms.
Brownish yellow, the vertex of head fuscous -....-..-... C. FUSCICEPS, sp. nov.
Black, the base of abdomen pale or yellowish.
Antenns, except scape\at base, black... ...--.-----+.---- C. MINUTUS Ashm.
Wholly black, with wing pads.
Legs golden yellow:<.222. =-sc2- esssss so eeiss ee eeeeae eee C. AURIPES, sp. nov.
2; Wholly black: assc2s2 ccc ve owees se asee once mee ce eee ce sen Geisieee pee ee sees 3

Thorax and abdomen brownish yellow, the head black.
C. MELANOCEPHALUS Ashm.
Head and thorax black.
Abdomen obscure rufous or piceous, yellowish at base and beneath.
Shining, but distinctly punctulate; scape rufous, the flagellum black.
C. PALLIDIVENTRIS, sp. nov.
Polished, impunctured, angles of metathorax prominent; antenn:e brownish-

yellow, 4 or & terminal joints black -........... C. BASALIS, sp. Nov.
Head and thorax brownish yellow; abdomen black; base and apex of front wings
DV ALIMG 2 occa aoe etic ese eve eee C, CALIFORNICUS, sp. nov.

3. Head and thorax distinctly, closely punctate.
Pleura aciculated; antennz brown; legs brownish yellow.
C. PUNCTATUS, sp. nov.
Head and thorax smooth, or the punctuation exceedingly delicate.
Antenne, tegulie, and legs black; pleura not aciculated; flagellum slender,
the joints all longer than thick. ....-...------ C. UNICOLOR sp. nov.
Antenne, tegulie, and legs brownish piceous; trochanters, tips of tibiz, and the
tarsi yellowish wits 222.2 2ecss ls 0k = C,. SALICICOLA, sp. nov.
Scape, tegule, trochanters, knees, tibie, and tarsi yellow; flagellum subela-
Viable fensa en Ghc se, Qo dahick spe e ee abpsee C, AMPLUS, sp. nov.
Seape and legs brownish yellow.
Tegule black; flagellum black.
Winpstuscous.:..o2tc 222. Soe emasiaeelscce en ees C. MELANOCERUS, sp. nov.
Wings subbyaliie-: io. collocated te Hp eee C. PEDALIS, sp. nov.
Tegule pale; antennze brown, the scape and pedicel yellow; pedicel longer
than the first flagellar joint, smooth, highly polished.
Wings hyaline; flagellar joints 1 to 5 transverse, 6 and 7 quadrate.
C. FLAVISCAPUS, sp. noy.

eee

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDH. 125

Wings subhyaline; flagellar joints 1 to 5 transverse, 6 and 7 longer than

WIGS mecotwas Sets issied sku iwisk oot; hs dials C. GLABER, sp. nov.
Tegule piceous; antenne fuscous; first flagellar joint twice as long as the
second; wines subhyaline -..------....--+..< C. CARINATUS, sp. nov.

Seape, tegule, and legs, including the cox, honey-yellow.
First flagellar joint only a little longer than the second; wings clear hya-
NMC eee none eeate'ee oes sacs eee ete e255 aces Oy MELLIPESS Sp: NOV:

MALES,
Rar Olah LC ee smrmetercte Saererne ola Shes wien siefaiu wine ais oa isle Ciuie sicie SiSeic Shien wiesie So SSS 2
Not wholly black.
Thorax piceous, collar, base of abdomen, and legs bright yellow.
C, LONGICORNIS, sp. nov.

Thorax black, base of abdomen pale .... -.---.-. 25. -2-2:: C. BASALIS, sp. noy.
2. Distinctly punctate.
SEAperAMGMecseVOMOW treo occ ee ee eta Some eee ets & C. PUNCTATUS, sp. nov.
Faintly punctate or nearly smooth.
pAmaMeTITVce MO GK eee Ait the See SES sete cI Sek Sei C. CARINATUS, sp. Nov.

Smooth, polished, impunctate.
Head and abdomen black, the thorax piceous.
Antenne dark brown, the scape beneath and legs, pale yellow.
C,. GLABER, Sp. Noy.

Ceraphron fusciceps sp. nov.

?. Length, 1™". Brownish-yellow or honey-yellow, the head more
or less fuscous on vertex; eyes and flagellum black or brown-black;
mesopleura sometimes tinged with fuscous. Head and thorax micro-
scopically punctulate; scutellum finely striate at base; flagellum sub-
clavate, the pedicel more than twice as long as the first flagellar joint,
flagellar joints 2 to 6 transverse, the 7th quadrate, the last fusiform,
thrice as long as the 7th.

HAbiratT.—District of Columbia and Oakland, Md.

Types in Coll. Ashmead.

Described from 5 specimens.

Ceraphron minutus Ashm.

Megaspilidea minuta Ashm., Can. Ent., xx, p. 49. _

9. Length,1.2™™". Black; abdomen fuscous, yellowish at base and
beneath; scape and legs yellow. The head and thorax are closely,
minutely punectulate; abdomen at extreme base striate; pedicel and
flagellum black, subclavate; pedicel twice the length of first flagellar
joint; flagellar joints 2 to 5 transverse, the 7th quadrate; 8th or last
fusiform, three times as long as the 7th.

HABITAT.—Ottawa, Canada,

Type in Coll. Ashmead.

One specimen; received from Mr. W. Hague Harrington.

Ceraphron auripes, sp. nov.

@. Length, 1™™. Black, shining; scape brownish-yellow; legs

bright yellow. Head and thorax minutely, closely punctulate; wings

126 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

but slightly developed, extending to the base of the abdomen; abdo-
men highly polished black, more than twice the length of the thorax;
flagellum subelavate, joints 2 to 4 transverse, the 5th larger, trans-
verse, the 6th and 7th quadrate, the last fusiform, thrice as long as
the 7th.

HABITAT.—Ottawa, Canada.

Type in Coll. Ashmead.

Described from a single specimen received from Mr. W. Hague Har-
rington.

Ceraphron melanocephalus Ashmn.
Copidosoma melanocephalum Ashm. Trans. Am. Ent. Soc., Vol. xin, p. 131.

2. Length, 12"™. Head black; thorax abdomen and legs, brown-
ish-yellow; flagellum black, paler or brownish at base. Head and
thorax closely minutely punctate, the occiput with a delicate median
carina from the ocelli; flagellum clavate, the 3 terminal joints being
very large and thick and as long as all the others (excepting the scape)
united, the funicle joints 2 to 5 transverse; first club joint quadrate,
the second, a little longer than wide, the last not quite thrice as long
as the second. Wings subhyaline.

HasBirat.—Jacksonville, Fla.

Type in Coll. Ashmead.

Described from one specimen reared May, 1885, from the Cynipid gall
Belonocnema Treate Mayr.

Ceraphron pallidiventris sp. nov.

?. Length, 1.6™". Head and thorax black, shining, faintly sha-
greened; abdomen obscure rufous or piceous above, at base and
beneath yellow; scape, pedicel beneath and at tip, and legs, pallid-
yellow; tegule yellowish; wings hyaline, the stigmal vein yellowish,
long and curved, forming almost a closed marginal cell; marginal vein
brownish.

Antenne 10-jointed, the flagellum subeclavate, brown-black; scape
long, half the length of the flagellum; pedicel a little longer
than the first flagellar joint; second flagellar joint scarcely two-thirds
the length of the first; the third, fourth and fifth, transverse, but in-
creasing in length and width, the sixth, quadrate, the seventh, oblong-
quadrate, the last fusiform, as long as the two preceding joints united.
Angles of metathorax tubercular, the metapleura finely rugose,
bounded by a carina above. Abdomen a little longer than the head
and thorax together, pointed at tip and subcompressed at apex be-
neath.

Hapirrat.—Fort Pendleton, Md.

Type in Coll. Ashmead.

Described from a single specimen taken by Mr. E, A. Schwarz.

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 127

The species comes nearest to C. basalis, but it is slightly larger, the
relative length of the flagellar joints different, the legs pallid yellow,
the wings hyaline, while the sculpture is wholly different.

Ceraphron basalis, sp. nov.

$6 ?. Length, 0.8 to 1.2™. Head and thorax polished black; ab-
domen rufous or rufo-piceous, yellowish at base; scape, and sometimes
the pedicel, and two or three of the basal flagellar joints, and the legs
yellow or brownish-yellow. Wings subhyaline, slightly tinged, the
stigmal vein long, curved. In the ? the flagellum is twice the length
of scape, subclavate, the joints 2 to 5 transverse, the 5th longer and
wider than the 4th, 6th and 7th quadrate, the last fusiform, as long as
the 6th and 7th united. In the g the flagellum is filiform, 14 times as
long as the body, or about 5 times as long as the scape, pale brown, the
first joint the longest.

HAbirat.—District of Columbia and Arlington, Va.

Types in Coll. Ashmead.

Described from 8 specimens (2 6 6 2 ), collected by Mr. E. A. Schwarz
and myself.

Its smaller size, very highly polished, impunctate surface, and the
difference in the antennz and color of wings at once distinguish it
from C. pallidiventris.

Ceraphron californicus, sp. nov.

?. Length, 0.8™™. Head and thorax brownish-yellow; abdomen
black; eyes brown. Antenne 10-jointed, two-thirds the length of the
body, the flagellum brownish beyond the first joint; scape a little longer
than half the length of the flagellum; pedicel and first flagellar joint
equal, nearly twice as long as the second; last joint as long as the
pedicel. Thorax shining, but feebly, minutely punctulate. Wings
hyaline at base and apex, fuscous from the basal third to near the
apex.

HABITAT.—Folsom, Cal.

Type in National Museum.

One specimen; taken by Mr. A. Koebele, July 12, 1885,

Ceraphron punctatus, sp.,nov.
Gl vary Biot 25.9%)

6 2. Length, 1.1 to 1.6™™, Black, finely, closely punctate, sub-
opaque; antenne 10-jointed, brownish-yellow, the apical half fuscous
or black; scape obclavate, nearly two-thirds the length of the flagellum;
pedicel longer than the first flagellar joint; flagellum slightly incras-
sated toward tip; first joint twice as long as thick; joints 2 to 5
transverse, sixth and seventh very little longer than wide, the last joint
fusiform, as long as the two preceding united. Vertex with a slight
grooved line between the lateral ocelli. Kyes pubescent. Mandibles

128 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

pale rufous. Mesonotum with a central impressed line. Pleura
shining, but more or less aciculated. Metathorax rugose, very short,
the posterior angles toothed. Tegule dull rufous or piceous. Wings
subfuscous, the venation piceous, the stigmal nervure long, slightly
curved, about three times as long as the linear marginal vein, and form-
ing almost a closed marginal cell. Legs, including cox, brownish-
yellow. Abdomen stout, longer than the head and thorax united,
polished black, with a slight striated elevation at base of the second
segment above.

The 4 agrees with the 2, except that the abdomen is shorter and
slightly piceous at base, the antennze filiform, 11-joimted, the scape and
legs brownish-yellow, while the flagellum is brown. The antenne are
as long as the body, the scape as long as the first three flagellar joints
united; pedicel very small; first flagellar joint slightly more than twice
as long as thick, a little stouter than the others, and subequal with
the last joint, the latter the longer joint; the three following joints are
subequal, the four following gradually become a little longer, the last
very slightly longer than the first.

HABITAT.— Virginia, Maryland, and District of Columbia.

Types in Coll. Ashmead and National Museum.

Described from many specimens.

Ceraphron unicolor, sp. nov.

2. Length, 2 to 2.1™. Wholly black, shining, the articulations of
the legs and the tarsi alone pale brown ; head and thorax faintly sculp-
tured; face deeply impressed above the insertion of antenne, with
a grooved line extending forward from the front ocellus; eyes large,
pubescent. Antenne 10-jointed, slender, the scape long, obclavate, a
little longer than half the length of the flagellum ; first flagellar joint
longer than the pedicel, about four times as long as thick, the second
two-thirds the length of the first, the two following subequal, those be-
yond longer, at least 24 times as long as thick, the last joint being the
longest, and longer than the first. Thorax with a central grooved line,
which is subobsolete anteriorly. Post-scutellum toothed. Metathorax
very short, with the posterior angles acute. Wings subfuscous; the
stigmal vein long. Abdomen stout, highly polished, black, as long as
the head and thorax together, with a striate space at base.

HABiratT.—Cheyenne, Wyo., and Alta, Utah.

Types in Coll. Ashmead.

A single specimen of this species was taken by Schwarz in Utah,
and another by Wickham in Wyoming.

Ceraphron salicicola, sp. nov.

2. Length, 0.9". Black, shining, feebly punctate; face emargi-
nate; antenne dark brown; pedicel yellow at apex, as long as the first
and second flagellar joints together; flagellum subclavate, the joints

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 129

gradually widening after the second, the last ovate, about as long as
the two preceding joints united. Legs brown; the trochanters, spot
on knees, tip of tibiz, and the tarsi yellowish-white. Wings hyaline,
iridescent, pubescent. Abdomen piceous-black, shining.
Hasitat.—Los Angeles, Cal.
Type in National Museum.

A single specimen, labeled as having been “bred from old willow
wood partly covered with fangus and infested with Coleopterous larvie.”

In all probability, with the coleopterous larve were associated Dip-
terous larvee from which the Ceraphron came.

Ceraphron amplus, sp. nov.

?. Length, 2.2™™. Polished black, but showing some faint micro-
scopic punctures; face deeply emarginated; vertex with a grooved line
between the lateral ocelli; eyes pubescent; mandibles brownish; legs
brownish-yellow; the coxe black; the femora and tibize dark-brown or
fuscous at the middle. Antenne 10-joimted, black, with a yellow ring
between the pedicel and the first funicle joint. Scape long, obclavate,
as long as the pedicel and the first three funicle joints united; flagel-
lum subclavate, the first joint being as long as the pedicel, the second,
about two-thirds the length of the first, the following to the penulti-
mate subequal, the penultimate longer than preceding joint, or about
two-thirds the length of the last, which is long, very slightly longer
than the first. Thorax with a central grooved line. Metathorax with
the angles but slightly prominent, the post-scutellum toothed. Wings
subfuscous, the stigmal vein long and curved. Abdomen long and
stout, longer than the head and thorax together, pointed at tip, the
second segment occupying fully half the whole length of the abdomen,
with strizw at base.

HABITAT.—Washington, D. C.
Type in Coll. Ashmead.

Ceraphron melanocerus, sp. noy.

?. Length, 1.6™". Polished black; legs brownish-yellow, the cox
and femora obfuscated or fuscous; face with an antennal impression
and a deep grooved line in front of the front ocellus; eyes pubescent.
Antenne 10-jointed, black, with a pale ring at apex of pedicel; scape
long, obclavate; flagellum subclavate, the first funicle joint long, but
scarcely as long as the pedicel, the second, only half the length of the
first, the joints from the third to the last gradually increasing in size,
the third and fourth quadrate, the fifth and sixth a little longer than
thick, the last fusiform, twice as long as the penultimate. Thorax with
a central grooved line; pronotum deeply impressed at the sides; tegule
black; metathorax rugose, the posterior angles not acute. Wings sub-
fuscous, the stigmal vein long, curved. Abdomen polished black, as

21899—No. 45 9

130 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

long as the head and thorax together, the second segment with strize
at base, a little longer than all the following segments united.
HABITAT.—Ottawa, Canada. -
Types in Coll, Ashmead.

Two specimens received from Mr, W. H. Harrington,
Ceraphron pedalis, sp, nov.

&. Length, 1.5™™, Polished black, with some sparse, minute pune-
tures; legs entirely brownish-yellow; antenne black; wings subhya-
jine, or with a yellowish tinge. Differs principally from C. melanocerus
in having the axille united before the base of the scutellum, the meta-
pleura bounded above by a high carina, the post-scutellum distinctly
toothed, the posterior angles of metathuorax produced into a tooth, the
paler, more uniformly colored legs, while the abdomen is longer, the
second segment being fully twice as long as all the following joints
united.

HapsitTat.—Arlington, Va,

Type in Coll. Ashmead.

Ceraphron flaviscapus, sp. nov.

@. Length,0.9to1™™. Polished black, impunctured; scape, pedicel,
and legs, yellow or brownish-yellow; flagellum subclavate, brown or fus-
cous; faceimpressed with a grooved line extending from the front ocellus;
eyes pubescent; thorax with a central grooved line; scutellum a little
longer than wide; post-scutellum with a small tooth; posterior angles
of metathorax acute; wings hyaline; tegulwe yellowish.

The antenne are 10-jointed, the flagellum subclavate; first flagellar
joint much shorter than the pedicel, obconic; the joints 1 to 5 transverse,
6 and 7 quadrate, not longer than wide, the last fusiform, as long as 6
and 7 united.

HABITAT.—Arlington, Va., and District of Columbia,

Types in Coll. Ashmead.

Three specimens.
Ceraphron glaber, sp. nov.

é¢?. Length,1.1to1.2™. Agrees very closely with C. flaviscapus,
but it is slightly larger, the pedicel brown or fuscous, the sixth and
seventh flagellar joints distinctly longer than wide, the abdomen longer,
being twice as long as the thorax, while the wings are subhyaline or sub-
fuscous.

In the ¢ the antenne are long, filiform, 11-jointed, the scape yellow,
the flagellum brown, the joints loosely joined or slightly pedicellate,
rounded at ends, and sparsely pubescent; pedicel small; first funicle
joint about thrice as iong as thick, the second shorter, the following to

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 131

the last about twice as long as thick; collar and petiole yellowish; while
the basal joint of hind tarsi is as long as joints 2 to 4 united.
Hapiratr.—District of Columbia, and Bladensburg, Md.
Types in Coll. Ashmead.

Three specimens, all taken by Mr. E. A. Schwarz.

Ceraphron carinatus, sp. noy.

$ ?. Length, 1.5 to 2™™. Polished black, feebly punctate; an-
tenn brown-black, except a yellowish ring between the pedicel and
first flagellar joint; flagellum very slightly thickened toward tip; ped-
icel and first flagellar joint very long, the latter slightly the longer, joints
2 to 4 subequal, the second two-thirds the length of the first; joints
5, 6, and 7 about equal, longer than the second; last joint not quite
as long as the sixth and seventh united. Thorax witha central grooved
line; scutellum a little longer than wide; post-scutellum with a tooth;
posterior angles of metathorax acutely prominent; metapleura bounded
above by a high carina. Wings subfuscous, the venation brown, the
stigmal vein long, curved. Abdomen polished black, 15 times as long
as the thorax, the second segment more than twice as long as the fol-
lowing segments united, striate at base. Basal joint of hind tarsi as
long as the following joints united.

In the ¢ the 11-jointed antenne are long, filiform, the flagellum
alone being longer than the body; scape and legs brownish-yellow;
flagellum brown-black; first flagellar joint about 5 times as long as
thick, the following joints to the last shorter, nearly equal, the last as
long as the first; collar and base of abdomen yellowish, the latter not
much longer than the thorax.

Haprrat.—Oakland and Bladensburg, Md.; District of Columbia,
and Virginia.

Types in Coll. Ashmead and National Museum.

Several specimens.

Ceraphron mellipes, sp. nov.

é 2. Length, 0.8 to 1™™. Polished black, impunctured; scape,
pedicel, and legs, bright honey-yellow; tegulie yellowish; wings clear
hyaline. Antenne in ¢ 10-jointed, the flagellum brown, subclavate,
the first funicle joint obconic, two-thirds the length of the scape; joints
2, 3, and 4 as wide as long, fifth subquadrate, sixth and seventh a little
longer than wide, the last a little longer than the two preceding united.
Inthe é the antenn are 11-jointed, filiform, not longer than the body,
the first flagellar joint 14 times as long as thick, longer than the ped-
icel, the following joints, except the last, scarcely longer than thick,
pubescent, the last joint a little longer than the first. In both sexes
the face is impressed above the insertion of the antenne with a grooved
line in front of the front ocellus; thorax with a central impressed line;

132 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

post-seutellum with a minute tooth, while the posterior angles of meta-
thorax are slightly acute.

Hapirat.—Jacksonville, Fla.

Type in Coll. Ashmead.

Described from 1 ¢ and 2 2 specimens. It might be mistaken for C.
flaviscapus, but it is a smaller and more slender form; the antenni are
not so stout, the joints relatively different in length, while the wings
are clearer.

Ceraphron longicornis, sp. nov.

é. Length, 1.2". Highly polished, impunctured; the head and api-
cal two-thirds of abdomen, black; thorax piceous; collar, scape, legs, and
basal one-third of abdomen, yellow or flavo-testaceous. The antenne
are long, filiform, 11-jointed, the flagellum brown; first flagellar joint
nearly three times as long as the pedicel and as long as the terminal
joint; the other joints are slightly shorter, about four times as long as
thick, and all with sparse long hairs. Wings hyaline, strongly fringed,
the stigmal vein long, curved. The face is impressed above the an-
tenne; there is a fovea in front of the front ocellus, the mesonotum
with a central grooved line, the post-scutellum toothed, while the
posterior angles are scarcely prominent, reduced to a minute tubercle.

Hasirat.—Fort George Island, Florida.

Type in Coll, Ashmead.

Described from a single specimen collected by Dr. R. 8. Turner.
APHANOGMUS Thomson.
Synarsis Forster, Kleine Monog., p. 57 (1878).
(Type A. fumipennis Thoms.)

Head transverse, the frons convex, the occiput slightly excavated
and delicately margined; ocelli 3, close together, triangularly arranged ;
eyes oval or rounded, usually pubescent.

Antenne inserted just above the clypeus; in 2? 10-jointed, clavate,
in é 11-jointed, subserrate, pilose.

Maxillary palpi 4-jointed, labial palpi 2-jointed.

Mandibles bifid.

Thorax subovoid, compressed at sides, convex above, the collar
small; mesonotum usually with a delicate median impressed line, which
is often subobsolete or entirely wanting; scutellum conical, convex, at
least twice as long as wide, the frenum usually wanting; metathorax
very short, abrupt, the angles not prominent.

Front wings pubescent, with a short, linear marginal vein and a
short, slightly curved, stigmal vein.

Abdomen ovate, subsessile, compressed beneath, convex above, and
a little pointed at tip; the petiole very small and short, the second
segment very large.

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDE. 133

Legs pubescent, the posterior coxee pilose behind; the last joint of
posterior tarsi about twice as long as the second.

This genus is very closely allied to Ceraphron Jurine and it requires
great care to separate it from that genus. The frons is more convex,
the facial impression less distinct, the seutellum longer and convex,
without teeth at base of metathorax; while, as a rule, the metathoracie
angles are less distinct.

Synarsis Forster, seems to be without doubt identical, his type S.
pulla being evidently a small species of Aphanogmus, without the cen-
tral mesonotal furrow and with the head held horizontally, a position
often assumed by many species in the group.

All the species known are minute and could easily be mistaken for
species in the tribe Telenomini in the subfamily Scelionina.

The species known to me in our fauna may be separated by the aid
of the following table:

TABLE OF SPECIES.

NGI Cees cic ceie tiaras seine io iets ine Sas ee seeeieercns Sac SSeeas oceearsce Sess see eee 2

Wingless.
$. Black, shining; antenne dark brown, the third joint the longest, all the
flagellar joints with long hairs....-.....--......A. NIGER, sp, nov,

®. Black; abdomen, legs, and antennze, except club, bright honey-yellow.
A. BICOLOR, sp. nov.
2. Black.
Wines motibande diesem satus, vase apie ssaay- tela aatetee ar meee oe ee ln erar alae Gi 3
Wings with a fuscous band; no mesonotal furrow.
Antenne and legs brown; tarsi pale; stigmal vein oblique, not curved.
A. FLORIDANUS, sp. Noy.
Antenne and legs dark fuscous, trochanters and tarsi pale; stigmal vein
curved.
Capea ee Osea sea eee eae eee eee At VERGINIE NSIS. Spy MOVs
Scape and legs pale yellowish; base of abdomen piceous, 2.
3. With a mesonotal furrow.
Antenne clavate, brown-black; cox black; legs dark brown, 9°.
A. MARYLANDICUS, sp. nov.
Without a mesonotal furrow.
Antenne subclavate, yellow.

WersspalenyellOws Ores ta seanenctin eames eee ned A. PALLIDIPES, sp. nov.
Antennie black or brown-black, clavate, the last joint 4 times as lone as the
penultimate.
Legs black, coxie and tarsi brown. ? 7
Z sme eel we SEI. Os A. VARIPES, sp. noy.
Hersrutopiceous (vars)! 22222022822: | §

Aphanogmus niger, sp. nov.

6. Length,I™™. Black, shining; antenne and legs dark brown, the
tarsi whitish. Antenne 11-jointed, very slightly thickened towards
tips; scape obclavate, not reaching beyond the ocelli; first flagellar joint
long, about four times as long as the pedicel, the following joints of
nearly an equal length, all emarginate at base and covered with long,
sparse white hairs. The thorax is compressed, much narrower than the

134 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

head, convex above, with a single median impressed line; mesopleura
smooth, polished; scutellum “ully twice as long as wide, extending to
the apex of the metathorax, its tip slightly projecting. Wings aborted.
Abdomen small, not as long as the thorax, subpetiolated, highly pol-
ished and subcompressed.

HABITAT.— Washington, D. C.

Type ¢ in Coll. Ashmead.

Described from a single specimen, given me by Mr. E. A. Schwarz.
Aphanogmus bicolor, sp. nov.

2. Length, 0.87". Apterous; head and thorax black, microscopic-
ally punctulate; antennie, except the large terminal joint, the legs and
the abdomen, bright yellow, the latter with an obscure spot above at
tip. The head is large, quadrate; eyes very large, rounded, occupying
the whole side of the head, subpubescent. Antenne 10-jointed, clavate;
the seape long, obelavate; the flagellum less than twice as long as
the scape; pedicel oval, much stouter and larger than the first flagellar
joint; flagellar joints, except the last, submoniliform, increasing in size
from the first, which is very small; the last joint is very large, stout,
oblong, and as long as the four preceding joints united. Mesonotum
with a delicate central grooved line; scutellum extending to the tip of
the very short metathorax, convex, longer than wide; angles of meta-
thorax subtubercular, the pleura slightly wrinkled and bounded by a
carina above. Abdomen subsessile, as long as the head and thorax to-
gether, bright brownish-yellow and highly polished.

HABITAT.—Ottawa, Canada.

Type in Coll. Ashmead.

Taken by Mr. W. H. Harrington.
Aphanogmus floridanus, sp. nov.

9. Length, 0.75™". Polished black; antenne and legs brown, the
scape, trochanters and tarsi pale or yellowish. Thorax compressed,
without a median impressed line. Antenne 10-jointed, clavate, brown,
pubescent, the flagellar joints, except the last, transverse, the last
ovate; ¢ antenne 11-jointed, slightly thickened at tips, the first flagel-
lar joint longer than the scape, the following shorter. Wings hyaline,
fringed, with a fuscous band across the disk before the marginal vein;
stigmal vein oblique, not curved, one and a half times as long as the
marginal. Legs brown, the tarsi white. Abdomen polished black; not
longer than the thorax.

Hapitat.—Jacksonville, Fla.

Type ¢ 2 in Coll. Ashmead.

Described from two specimens, taken on the edge of a swamp by
sweeping.

a

i

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID®. 135

Aphanogmus virginiensis, sp. nov.

2. Length, 1™™. Polished black; antenne and legs fuscous, the
scape, trochanters and tarsi pale or whitish. Thorax compressed, con:
vex, without a median impressed line. Antenne 10-jointed, subclavate,
pubescent, the flagellar joints, except the first and the last, transverse
quadrate, the last conic. Wings hyaline, fringed, with a fuscous band
below the region of the parastigma, the stigmal vein curved. Abdo-
men conic-ovate, black and polished, as long as the head and thorax
together.

Haprrat.—Arlington, Va.

Type @ in Coll. Ashmead.

Described from several specimens. The species comes close to A,
floridanus, but it is slightly larger, the antenn slenderer, the abdomen
longer, more pointed, while there isa distinct curve to the stigmal vein,

Aphanogmus marylandicus, sp. nov.

2. Length, 1™™. Polished black; antennie wholly brown-black }
legs dark-brown, the coxe black, knees and tarsi pale or yellowish.
Thorax compressed, highly convex, shining, with a distinct median im-
pressed line. Antenne 10-jointed, clavate, the flagellar joints, except
the last, transverse; the last very large, ovate. Wings clear hyaline,
fringed, the stigmal vein long and curved. Abdomen pointed, ovate,
subcompressed, as long as the head and thorax together, black and
polished.

HABIraT.—Oakland, Md.

Type ? in Coll. Ashmead.

Described from one specimen received from Mr, EK. A. Sehwarz. This
may be the 2 of A. niger.

Aphanogmus pallidipes, sp. nov.

?. Length,0.8™™. Black, shining; antenne brownish-yellow; legs
pale yellow. Antenne 10-jointed,subeclavate, the flagellar joints all a
little longer than thick, the last conic. Thorax compressed, convex,
without a median impressed line. Wings clear hyaline, the nervures
brown, the stigmal vein a little longer than the marginal, slightly
curved. Abdomen a little longer than the thorax, ovate, pointed at
tip, subcompressed, black and shining.

HABiItatT.—Arlington, Va.

Type 2 in Coll. Ashmead.

Described from a single specimen.

Aphanogmus varipes, sp. nov.
(BE vin ioe. 9 3)
2. Length, 0.8". Black, shining; antenne and legs vary from
brown or rufous to black; the trochanter and tarsi pale brownish-yel-
low. Antenne 10-jointed, clavate, the last joint very large, about four

=

136 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

times as large as the penultimate, the two preceding joints transverse,
the others a little longer than wide, the first flagellar joint being scarcely
as long as the pedicel. Thorax convex, without a trace of a furrow.
Wings hyaline, pubescent, the parastigma as long and thick as the
marginal vein, the stigmal vein very little longer than the marginal.
Abdomen not longer than the thorax.

HaABitat.—Manhattan, Kans.

Types in Kansas State Agrieultural College and Coll. Ashmeail.

Described from two specimens received from Prof. Popenoe.
NEOCERAPHRON Ashm., gen. noy.

Agreesinall particulars with Ceraphron, except that the antenne inthe
me are 10-jointed, not 11-jointed, and in female 9-jointed, not 10-jointed,
the flagellum being strongly clavate.

Neoceraphon macroneurus, Ashm.
(Pl. vu, Fis. 3) 3.)
Ceraphron macroneurus Ashm., Ent. Am., 111, p. 97, ¢ ; Cress. Syn. Hym., p. 312.

é. Length, 0.8™". Polished black, impunciured; abdomen yellow,
blackish above towards apex; legs yellowish-white; antenne 10-jointed,
filiform, reaching to the base of the abdomen, dark-brown, the scape
brownish-yellow, the flagellar joints, except the first and last, not
longer than wide, loosely joined, moniliform, pubescent, the last joint
twice as long as the first. Wings hyaline, the marginal vein linear,
the stigmal vein very long, curved, almost attaining the apex of wing,
forming a large marginal cell.

2. Length, 0.75 »™. Black, polished, impunctured, the abdomen
honey-yellow, blackish above; legs whitish; antennz 9-jointed, brown-
ish-yellow, fuscous toward tips, the flagellum much incrassated towards
apex, all the joints, except the first, which is as long as thick, are
wider than long, the last large, fusiform.

HAbBrratT.—Jacksonville, Fla., and Virginia.

Types in Coll. Ashmead.

Subfamily V.—SCELIONIN 48.

Head transverse or quadrate, often very broad and large. Ocelli 3,
always present. Mandibles most frequently bidentate, although occa-
sionlly 3-dentate. Antenne elbowed, inserted on a clypeal prominence
or at the base of the clypeus, usually clavate, 11- or 12-jointed in the
females, or if the club is unjointed, but 7-jointed; in the males filiform
or setaceous, 12-jointed except in Scelio, where they are but 10-jointed.
Maxillary palpi 2, 3, 4, or 5-jointed, labial palpi 2- or 3- jointed. The
pronotum is often not visible from above, or it is large, transverse, or
quadrate; mesonotum generally short, transverse, with or without
grooved furrows; scutellum generally semicircular, the axillz not dis-
tinctly separated; it is rarely spined or wanting, although the post-

~

tines

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 137

scutellum is frequently spined; metathorax short, frequently with acute
angles or spines. Front wings most frequently with submarginal,
marginal, post-marginal, and stigmal veins; the post-marginal and mar-
ginal veins are rarely absent, except in the tribes Baini and Teleasini;
if absent, in the tribe Scelionini, the submarginal vein terminates
ina stigma or knob. Abdomen sessile, or subsessile, inserted above the
coxie, depressed and sharp-edged or strongly carinated along the sides,
where the tergites join the urites; in shape it is variable: it may be
broadly oval, oblong, ovate, fusiform, or linear, and often greatly elon-
gated, composed of several segments; the second and third segments are
usually much the largest, but occasionally the segments are nearly of
an equal length. Legs moderate, the femora clavate, the tibiz sub-
clavate or slender, the tibial spurs usually 1,1, 1, the middle and poste-
rior spurs generally weak or poorly developed; the tarsi long, slender,
5-jointed.

This group is probably the most extensive one in the whole family
and of the greatest economic importance, all the species comprising it
being strictly egg parasites, scarcely a single order of insects being free
from their attack.

It may be subdivided into four natural tribes distinguished as fol-

lows:
TABLE OF TRIBES.

Abdomen without distinct lateral carine, most frequently broadly oval, rarely
pointed ovate, depressed, the second segment always the largest and
longest; post-marginal and stigmal veins long; @ with 11-jointed
antennez, rarely with 12 joints, clavate; ¢ antenne 12-jointed.

Tribe 1.—TELENOMINI.

Abdomen always with distinct lateral carine.

Abdomen broadly oval or long oval, the third segment much the longest; post-
marginal vein not developed.

Marginal vein very short, punctiform or thickened, not or scarcely as long as the

stigmal vein; stigmal vein short, thickened at base and ending in a

rounded stigma; 9 antennw 7-jointed with an unjointed club; 9

usually apterous; ¢ antenn 12-jointed, filiform-moniliform; lateral

ocelli usnally close to the inner margin of the eye. .Tribe 11.—B INI.

Marginal vein very long, 5 or 6 times as long as the exceedingly short stigmal vein ;

stigmal vein not thickened at base; 9 antennee 12-jointed, clavate,

the club 5 or 6 jointed; ¢ antenne 12-jointed, filiform, the funiclar

joints long; lateral ocelli far away from the inner margin of the eye,

MEME. VELA CLOSE) aa eee tases Sette tessa eet eee Tribe 111.—TELEASINI.

Abdomen sessile, most frequently long, fusiform, or linear, extending beyond the

tips of the wings when folded, rarely broadly oval, the segments

more nearly equal, or the third segment the longest, but rarely much

longer than some one of the others; post-marginal vein present,

rarely wanting, if wanting the submarginal vein -terminating in a

stigma; marginal vein seldom twice as long as the stigmal; the

stigmal not especially short, oblique, rarely entirely absent; 9

antenne 12-jointed, clavate; g¢ antenne 12-jointed, usually filiform

(in a.single case 10-jointed) ....-.-.-....-.-..- Tribe 1V.—SCELIONINI.

138 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.
Tribe 1.—TELENOMINI.

This tribe was first separated by Thomson, Ofvers. af K. Vet.-Akad.
Forh., 1860, p. 169, with two genera, Telenomus and Phanurus, to which
There add Trimorus Forster, and three new genera, viz., Trissolcus,
Dissolcus, and Aradophagus, all distinguished from other genera in the
Scelionine by the absence of the lateral carinze on the abdomen.

The species are all minute or microscopic in size, and are parasitie in
the eggs of various insects, those of Lepidoptera and Hemiptera being
particularly subject to their attack.

The six genera included in the tribe may be thus distinguished:

TABLE OF GENERA,

Females, with 11-jointed, clavate antenniw.--...-=::----.-2:22.-222222225-- 2
Femaies, with 12-jointed antenn@ .-.-.:...-: .-2252--s25- 2+ < se > 5se-- 4
2. Lateral ocelli not touching the margin of the eye-_....--------:---2::-s22:- 3

Lateral ocelli touching the margin of the eye.
Mesonotum with 2 furrows.
Post-scutellum:spined 2 on. a. say sae sete eee are one Trimorus Forster.
Mesonotum without furrows.
Post-scutellum not spined.
Head quadrate; abdomen pointed ovate, the. ovipositor usttally ex=

Serbed hs Sot ee can eee eee ee ae een ee SHA NG ae anoatts
Head transverse, often very broad, abdomen broadly oval, usually
apuneatead Gin. csr. ccs che Soeeee sce eee ee TELENOMUs Hal.

3. Mesonotum with 3 furrows, abbreviated anteriorly.
Frons very broad; a short but distinct groove extends from the eye back
of the lateral ocellus to the occiput ..TrissoLcus Ashm., gen. nov.
Mesonotum with 2 furrows, abbreviated anteriorly.
Hronsimot very blroadee- ena. -e aa eee eee Dissotcus Ashm., gen. nov.
4, Mesonotum without furrows.
Head large, flat, the ocelli in a triangle, the laterals nearer to the front
ocellus than to margin of eye; wings banded.
ARADOPHAGUS Ashm.,, gen. nov,

TRIMORUS Forster.
Hym. Stud., 11, p. 101 (1856).
(Type P. nanno, Walk., ¢ 3 P. philias, Walk., 9.)

Head transverse, a little wider than the thorax, the occiput delicately
margined; ocelli 3, the lateral close to the eye; eyes ovate; subpu-
bescent.

Antenne in both sexes 12-jointed; in 2 clavate, the elub 5-jointed;
in ¢ filiform-moniliform or submoniliform.

Maxillary palpi 3-jointed.

Mandibles bifid.

Thorax ovoid, the prothorax depressed above, produced into a little
neck anteriorly; mesonotum with 2 furrows; scutellum convex, semi-

’

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 139

circular; post-scutellum armed with a short, stout spine or tooth; meta-
thorax short.

Front wings fringed, with a marginal vein about half the length of the
stigmal, the latter oblique, ending in a small knob.

Abdomen oval, depressed, somewhat broader than the thorax; the
first segment short, striate, the second very large, the following short.

Legs rather long, slender, the femora subclavate, tarsi 5-jointed, the

asal joint of hind tarsi more than three times as long as the second.

Distinguished by the spined scutellum.

Trimorus americanus, sp. nov
(Bisvaehics 4 oo)

6. Length, 1.2™™. Polished black, impunctured, sparsely pubes-
cent. Head transverse, not wider than the thorax; lateral ocelli on
the margin of the eye; eyes oval, pubescent. Antenne 12-jointed, fili-
form-moniliform, extending to the middle of the abdomen; the scape
scarcely reaches to the middle ocellus, brownish-yellow; the flagellum
rust-brown, the pedicel very small, the first and third funicle joints
equal, twice as long as the pedicel, the second slightly smaller than
the first, the fourth and the following to the last about equal, monili-
form, the last oval.

Thorax ovoid, the mesonotum with 2 furrows abbreviated anteriorly;
scutellum semicircular; the post-scutellum produced into a small tri-
angular tooth; metathorax very short. Abdomenoval, black, not longer
than the thorax, the first segment striated. Wings hyaline, pubescent,
the venation brown; the marginal vein is rather thick, the length of
the shaft of the stigmal, the latter terminating in a small knob.

Hasitat.—Arlington, Va.

Described from a single specimen.

PHANURUS Thomson.

Ofv., 1860, p. 169.
(P. angustatus Thom. )

Head quadrate or subquadrate, the frons smooth, shining, the occiput
usually but slightly emarginate, not margined. Ocelli 3, triangularly
arranged, the lateral touching the margin of the eyes. Eyes large,
oval, sometimes slightly pubescent.

Antenne in ? 11-jointed, subclavate, rarely distinctly clavate, from
the last two funicle joints being widened; in é 12-jointed, submonili-
form, shorter than the body; the pedicel longer than the first funicle
joint, the second funicle joint about twice as long as the first, the third
shorter, joints beyond moniliform or submoniliform, the last ovate.

Maxillary palpi 2-jointed.

Mandibles bifid.

Thorax ovate or long ovate, the mesonotum longer than wide, with-
out furrows, the metathorax not especially shortened.

140 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Front wings rather narrowed, longly fringed, the marginal vein very
short, the stigmal vein rather long, very oblique, the post-marginal long.

Abdomen long, pointed ovate and at least as long as the head and
thorax together, and narrower, the ovipositor often exserted, the second
segment very long, occupying two-thirds the whole surface.

Legs rather long and but slightly thickened.

Although this genus closely resembles Telenomus, it is readily dis-
tinguished by the shape of the head, the subclavate antenne, narrower
wings, and the longer, narrower, pointed abdomen, the second segment
always being two or three times longer than wide.

The habits of the genus are identical with Telenomus.

Our species may be tabulated as follows:

TABLE OF SPECIES.

Heatand thorax, dark brows) 020. 2c} Ae ee aie een ae ee ee
Black.
Antenne black or brown black.
Legs brownish-piceous, the knees and tarsi pale-..-...P. OVIVORUS, sp. nov.
Legs rufous, the tarsi white........-..-.----.-.-.-.P. FLORIDANUS, sp. Nov.
Scape pale rufous, the flagellum brown.
hegesyellow.s5..5<c:da-- acces ee Ree eee ees Sees EASY EES. SD.) Oli
2: Abdomen pale browns: -o2=.--- eon. see oe ke eee es ORACUSTE OE

Phanurus ovivorus, sp. nov.

@. Length0.6™™, Polished black,impunctured. Head transverse-
quadrate, scarcely wider than the thorax. Eyes oval, with afew hairs.
Antenne 11-jointed, subclavate, brown-black or black, the flagellum
nearly thrice as long as the scape, the pedicel longer than the first funic-
lar joint, the joints of funicle all longer than thick, the club scarcely
separable from the 4-jointed funicle, the joints a Jittle longer than
wide. Thorax ovoid, the disk semewhat flattened and highly polished,
the mesonotum longer than wide, without furrows. Legs piceous, the
knees and tarsi paler. Abdomen pointed ovate, depressed, flat above
and longer than the head and thorax together, the ovipositor slightly
projecting. Wings rather narrow, hyaline, iridescent, and ciliated, the
nervures yellow, the marginal vein shorter than the stigmal.

HABiTat.—Washington, D. C.

Types in National Museum and Coll. Ashmead.

Bred by Dr. Riley at Washington, D. C., September 10, 1885, from
Heteropterous eggs; also from Curculionid in catkins of Black Birch,
June 19, 1889. The last record I consider unreliable. In all probabil-
ity there were insect eggs in the catkins overlooked by Dr. Riley.
My collection contains specimens captured at large.

Phanurus floridanus, sp. nov.
(BI) Svar Big, 19%)

2. Length 0.6™", Polished black, impunctured. Head subquad-
rate, as wide as the thorax. Antenne 11-jointed, clavate, black, the

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 141

club stouter than in P. ovivorus; pedicel much longer and thicker than
the first funiclar joint, the funiclar joints after the second, transverse,
the club 4-jointed, the joints excepting the last transverse, the last
ovate. Legs pale brownish-yellow, the cox black or dark fuscous.
Abdomen pointed ovate, about as long as the head and thorax
together, the first segment short, narrowed, the second occupying half
the rest of the surface, the segments beyond short, about equal.
Wings hyaline, ciliated, the venation yellowish, the marginal vein
about one-third the length of the stigmal.

Hapsirat.—Jacksonville, Fla.

Type in Coll. Ashmead.

Phanurus flavipes, sp. nov.

2. Length, 0.65™", Polished black. Head quadrate, a little wider
than the thorax across from tegula to tegula, and with the occiput
slightly emarginated. Eyes large, oval, subpubescent. Mandibles pale
or yellowish. Antenne 11-jointed; the seape is half the length of the
flagellum, pale rufous or yellowish; the flagellum subclavate, brown,
the pedicel about 24 times as long as thick or nearly twice as long as
the first funiclar joint, the two last funiclar joimts a little shorter and
stouter than the preceding joints, club joints stouter, a little longer
than thick. Legs, including coxe, bright yellow. Abdomen as long
as the head and thorax together, polished, impunctured, the second
segment nearly twice as long as wide at apex, the first short and nar-
row. Wings hyaline, somewhat narrowed, with long cilia.

Hapiratr.—Arlington, Va.

Type in Coll. Ashmead.

Described from a single specimen.

The color of the antennze and legs readily separate the species from
all the others.

Phanurus opacus How.

Thoron opacus How., Ins. Life, 1, p. 268, f. 64.

“3. Length, 0.84™™; expanse, 1.2™™; greatest width of forewing,
0.163™"; length of antenne, 0.6"™, Joint 1 of funicle rather shorter
and slightly narrower than pedicel; funicle joints distinctly separated,
subequal in length, increasing very slightly in width from 4 to 9, joints
2 and 3 equal in width and slightly slenderer than either 1 or 4; club
one-third longer than joint 9 of funiéle, ovate, at base of same width.
as joint 9 of funicle, without a trace of dividing sutures. Metanotal
spiracles large, oval; metascutellum with a straight median longitudi-
nal furrow. Abdomen flattened, ovate, rather longer than thorax.
General surface of the body with no visible punctation, opaque. Head,
antenne, and thorax dark brown; abdomen rather lighter; all legs
brown; tarsi nearly white; base of all tibize nearly white. Wings
hyaline; veins slightly dusky.” (oward.) .

Hapirat.—Los Angeles, Cal.

142 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

According to Mr. Howard this insect was reared by Mr. D. W. Co-
quillett, July 27, 1887, from the adult female of Leerya purchasi. Tam
not willing to accept this statement as accurate, the species being an
egg-parasite. As with the European Telenomus coccidivorus, additional
evidence is needed to substantiate its divergent habit.

TELENOMUS Haliday.
Ent. Mag. 1, p. 271 (1833).

Syn. (?) Hemisius Westwood, Phil. Mag., 11, p. 445 (1832).
(Type T. brachialis Hal.)

Head large, transverse, usually very wide, very rarely quadrate, the
occiput concave, not margined. Ocelli 3, triangularly arranged and
widely separated, lateral contiguous to the margin of the eye. Eyes
oval, often pubescent.

Antenne inserted close to the clypeus, in 2 11-jointed, clavate, the
club 4- or 5-jointed, the pedicel usually larger than the first funicle
joint, the first funicle joint longer than wide, the last two funicle joints
minute, transverse; in 4 filiform, pubescent, moniliform or submonili-
form, the joints after the fifth rarely elongate-cylindric.

Maxillary palpi 2-jointed.

Thorax ovoid, the mesonotum wider than long, without furrows; the
metathorax short, rounded, unarmed.

Front wings pubescent, ciliated, the submarginal vein joining the
marginal at about 4 the length of the wing, the marginal vein linear,
rarely punctiform, and usually shorter than the stigmal, the latter ob-
lique and rather long, the post-marginal vein long.

Abdomen subsessile, broadly oval, depressed, not or rarely longer
than the thorax, the apex usually truncate, the first segment wider than
long, the second always the largest and longest segment, although
often wider than long; the following segments all short.

Legs moderate, the femora subclavate, the tibial spurs weak, the
tarsi 5-jointed, not as long as the tibi.

A well known and widely distributed genus found in all parts of the
world. Haliday and Walker have described in it species that should
now be relegated to Phanurus. The species are numerous and proba-
bly susceptible of a still further generic subdivision.

The description of Westwood’s genus Hemisius, with one species,
minutus, appeared in the Phil. Mag, Vol. 0, p. 445, 1832, and conse-
quently antedates that of Haliday (which did not appear until 1833)
just one year. From Westwood’s brief description I am unable to sepa-
rate it from Telenomus, and if Telenomus is not again subdivided it
must replace that now well-known genus.

Species of the genus Telenomus, according to Dr. Gustav Mayr, have
been reared in Europe from the following insect eggs:

Lepidoptera. ......-.-- “adap as'bab ease adobe acess ba eae ham eee hate etait elas sean .. 13 species.

POMMIPteras, ore mec Smee ss sie na wie a omisiee\= mia elle aieletalets eile elle lees) wie ina we eaten ee 3 species.
Diptera <<. .se6.eccecccccccccses gasabcctule cuss neoeacemcncnaac cide aniacmion tees ten emteisisnte teams 1 species,

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDH. 143

He also records the rearing of Telenomus coccidivorus Mayr from a
eoccid; but in all probability this is a mistake, and it came from the egg
of some Lepiduopteron, Syrphid, or other predaceous insect associated
with the coccid,

In America Telenomi have been reared from the following insect eggs:

Species.
POV Oe ae ee ta eee een chee te re ke SS Sse nw onl foe oS aie nS wis oie 14
eS AV ESD CA Uc at dest olor Mea PN eh Be Sly ah cs on Se bate fea x= 3
UOT DON A oe cues ators A no ace te thom Bia is bt tacks i eye Bae RH as 5 44s 1

Our species are quite numerous and separated with difficulty, but it
is hoped that the student will find assistance in the following dichoto-
mous table;

TABLE OF SPECIES.
FEMALES.

Second abdominal segment not, or very little, longer than wide.....-.-...-..- 2
Second abdominal segment about twice as long as wide.
Head transverse-quadrate.
Legs, including coxe and scape, reddish-yellow; thorax flattened.

Mo dtenatermers= smn ster crane nies fac iasr vince settee T. HUBBARDI, sp. nov.
Legs, including coxie and scape, pallid yeilow; thorax convex.
MMe eee Sates eet aac o te cc creme tie see sles T. PUSILLUS, sp. nov.

Head transverse.
Legs and antennie black, knees and tarsi honey-yellow..T. KOEBELEL, sp. nov.
2. Pedicel distinctly longer and thicker than the first funicle joint. ......--..--.- 3
Pedicel not longer than the first funicle joint.
Seape black, flagellum brown-black, tip of pedicel yellow, funicle joints 2, 3
and 4 equal, moniliform.
Legs black or piceous, trochanters, knees, anterior tibize, and tarsi, yellow.
T. NIGRISCAPUS, Sp. Nov.
Antenne brown-black, pedicel yellow at tip, shorter than first funicle joint,
funicle joints 2 and 3 subequal, the third transverse.
Legs piceous, trochanters, anterior tibiw beneath and tarsi, brown.
T. UTAHENSIS, sp. nov.
sescapeorantenne pale or pale at base Or tip -.-- 5... <2. secs co-- cere cree c sees 4
Seape of antennie black or brown-black.
Coxe pale.
Marginal vein punctiform.
Claval joints 2, 3, and 4 about equal, quadrate ........ T. NOCTUZ, Sp. nov.
Coxe black.
Funiclar joints 2 and 3 longer than thick.
Legs black or piceous, trochanters, knees, tips of tibiz and tarsi, yellow.
First abdomal segment and the second, at base, striate.
Marginal vein }¢ the length of the stigmal.
Second abdominalsegment wider than long...T. GNOPHA&:L&, sp. nov.
Second abdominal segment longer than wide.
T. CALIFORNICUS, sp. nov.
Maroinal veln punctiforme-..---------- ---- T. GRACILICORNIS, Sp. nov.
Legs pale rufous.
Thorax and scutellum closely punctate; head large, polished.
T. PERSIMILIS, sp. nov.

?

ae

144 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Funicle joints 2 and 3 rounded, not longer than thick.
Legs piceous or brown-black, trochanters, knees, tips of tibia and tarsi pale
or yellowish.
First abdominal segment striate.
Marginal vein 4 the length of the stigmal; head 34 times as wide as

LOM womens seme: nee ene aioe ees ta sis lnsejalsiceeater Le KG RADEON
Marginal vein nearly 4 the length of the stigmal; head 3 times as wide
as VON lS eee bets eee eee aoe T. SPILOSOMATIS, sp. noy.

Marginal vein as long as the stigmal............-...T. MINIMUS, sp. nov.
Legs dark-brown, the tarsi whitish.

Marginal vein about + the length of the stigmal..T. HELIOTHIDIS, sp. noy.
Legs piceous or brown-black, trochanters, knees, tips of tibiz and tarsi,
pale or yellowish. ?

First abdominal segment not striate.

Kyes pubescent 2222 025-225 cece ec cieeee See see T. orGY1&, Fitch
Eyes bare or only faintly pubescent.
Mareinal vein punctiform=-—2-5-------- e-— T. ICHTHYURA, 8p. nov.
Maroinal vemylone saa eessaces ee eee T. INFUSCATIPES Ashin.

Legs yellow or brownish-yellow.
Marginal vein + the length of the stigmal; head about 34 times as long
aS WiIdOe 5.5 cars see SoS By Soe ase mseee eee T. Biripus, Riley
4. Scape wholly pale......---.-..- Se eee ee ee ae eee eee coaster oe
Seape not wholly pale, pale beneath or at base or apex.
Cox black or piceous.
| Wings with a dusky submarginal blotch --...-....T. MACULIPENNIS, sp. nov.
Wings with no submarginal blotch, hyaline or subhyaline,
Funicle joints 2 and 3 not longer than thick,
Coxe black.
Legs dark brown or fuscous, trochanters, knees and tarsi, pale yellow.
Second abdominal segment 14 times as long as wide
T. SPHINGIS Ashm.
Second abdominal segment not or scarcely longer than wide.
Head very wide.
Funicle joints 2 and 3'subequal__-. -------------- T. RILEYI How.
Funicle joints 2 and 3 equal. -..-- ------ 1. GOSSYPIICOLA, Sp. NOV.
Coxw pale.

Legs brown, the trochanters, knees, tips of tibe and tarsi, whitish or
pale. Pedicel longer and stouter than the first funiclar joint, the
second very little longer than thick, the third small, transverse.

T. GEOMETR&, sp. NOY.
5. Pedicel scarcely longer than the first funiclar joint.
Second abdominal segment not striate at base.
Legs rufous or reddish-yellow, the femora and tibizw often obfuscated.
T. ARZAMZ Riley.
Ihers browmish- yellow -s-- er. eee eee ee eee eee T. LAVERN, sp. nov.
Pedicel much longer than the first funiclar joint.
Closely minutely punctate.
Second abdominal segment striate at base.
Legs, including coxa, honey-yellow ........------------T. PODISI, sp. NOV.
Coarsely eribrate punctate.
Mesopleura tinged with rufous.
Legs and antenne, except club, brownish-yellow.
T. PENNSYLVANICUS, Sp. hoy.

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA, 145

MALES.

Antennx not, or scarcely, longer than the body ....--. ..<2-- -<<- ------ ---- 000 2
Antenne much longer than the body.
Legs pale brownish-yellow; joints of flagellum oval...T. DoLICHOCERUS Ashm.

2. Flagellar joints 1 and 2 equal, or nearly equal .-..-....---. --.------- 2-22 sse0 4
Flagellar joints 2 and 3 about equal, longer than the first .-........-..-...-.-- 3

Flagellar joints 2 and 3 about equal, shorter than the first.
Coxie black.
. . e . . .
Legs fuscous or brown, knees, tibiw, and tarsi yellow; marginal vein half the

lenethio®theistigmal 22 252> 22-2-25---61 T. CHRYSOPA, sp. nov,
Legs honey-yellow, the femora, except tips, brown; marginal vein one-fourth
the length of the stigmal .......-.-..-..- T. UTAHENSIS, sp. nov.

3. Coxe black.
Pedicel longer than the first funiclar joint.
Legs pale brownish-yellow, the femora usually more or less dusky.

Flagellar joints, after the third, moniliform.-.-...---. T. SPILQSOMATIS Ashm.
Flagellar joints, after the third, long oval..-...-..-..-..- T. SPHINGIS Ashin.

Pedicel shorter than the first funiclar joint.
Legs black or piceous, trochanters, knees, tips of tibix, and tarsi honey-

yellow.
Scapemblack farellum dark browill <=). o. 1-2. sss- c= is = T. GRAPTZ How.
Seape and flagellum pale brown ..---...-....---.- T. C@LODASIDIS sp. nov,

Coxe pale.
Pedicel shorter than the first funiclar joint.
Legs honey-yellow; flagellar joints longer than thick...... T. ARZAMZ Riley.
Legs reddish-yellow; flagellar joints round, moniliform.T. NIGRISCAPUS Ashm.
Pedicel a little longer than the first funiclar joint.
Legs whitish, the femora and tibie tinged with brown; flagellar joints trans-
VOUSO eh eee cones Se bene Steed See eee T. GEOMETR Ashm,
4, Flagellar joints 1 and 2 about equal, the third shorter.
Coxe black.
Legs black or piceous, the trochanters, tips of femora, and tibie and the tarsi
honey=Vvellow scass- sees ess sae 2-52 -se- Ws CLISIOGAMPAD Riley,
Coxe pale,
Legs brownish-yellow; flagellar joints 1 to 3 not especially elongate, the joints

beyondltrans verse: =< + 2. ssc eee oc ss--s5-----. BIFIDUS: Riley,
Legs yellow; flagellar joints 1 to 3 stout and elongate, the joints beyond
MOM UMGO LM seas Serato is ots a 1s)s toa sees onoe T. popiIst Ashm,

Flagellar joints 1 and 2 about equal, the third longer.
Legs, including cox, pale brownish-yellow .....--....-.-.-.-..-..T. NOCTU&
Flagellar joints 1 and 2 equal, the joints beyond oval. Coxe black; legs reddish-
ello wise sae tele ee eee eerie aces Saeco ceele eased. GNOPE EAs

T. dolichocerus Ashm.
Teleas dolichocerus Ashm., Ent. Am., 1, p. 100, $; Cress. Syn. Hym., p. 313.

é. Length,0.8"™. Black, shining; the thorax microscopically punce-
tate and pubescent; antenne black, the scape beneath brownish-yel-
low; legs yellow. Antenne 12-jointed, very long, filiform, much longer
than the body, pubescent; the pedicel is hardly half the length of the
first funiclar joint; the latter is stouter than the pedicel or any of the
following joints, about twice as long as thick; the second funiclar joint is
greatly elongated, longer than the pedicel and the first joint united;

21899—No, 45 10

146 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

the 3 following joints subequal; those beyond, to the last, elliptic, oval;
the last fusiform, as long as the third; all the joints from the third
briefly pedicellated. Wings hyaline, with long cilia; the venation pale
brown, the marginal vein half the length of the shaft of the stigmal,
the latter ending in a knob.

HABitTatT.—Jacksonville, Fla.

Type, ¢ in Coll. Ashmead.

Described from a single specimen. The greatly elongated antennie
and the shape of the joints render the species easy of recognition.

Telenomus Hubbardi, sp. nov.

?. Length, 1™. Black, smooth, shining; head quadrate, not
wider than the thorax; mandibles piceous. Antenne 11-jointed, the
scape reddish-yellow, the flagellum dark brown; the pedicel is much
longer than the first funiclar joint; the second, third, and fourth funiclar

- joints nearly equal, the second being very slightly the longest; the club

is stout, the joints broadly transverse. Thorax subconvex, much
longer than wide. Legs, including cox, uniformly reddish-yellow.
Abdomen as long as the head and thorax together, the apex subtrun-
cate, highly polished; the first segment transverse, with some coarse
strie at base; the second segment long, twice as long as wide; the fol-
lowing segments very short, equal, but all distinctly visible. Wings
hyaline, fringed, the venation yellowish, the marginal vein punctiform.

HABITAT.—Centerville, Fla. :

Type in National Museum.

Described from a single specimen received from Mr. H. G. Hubbard,
reared September 4, 1880, from the eggs of a Reduviid.

Telenomus pusillus, sp. nov.

2, Length, 0.6™, Black, shining; head transverse quadrate, pol-
ished; eyes pubescent; thorax microscopically punctate; scape and
legs pallid yellow or whitish. Antenne 11-jointed, the flagellum
brownish; pedicel nearly twice as long as the first funiclar joint; first
and second funiclar joints equal; the third and fourth shorter, subequal,
the fourth being transverse. Wings hyaline, fringed; the nervures
pale yellowish, the marginal nervure being one-half the length of the
shaft of the stigmal. Abdomen not quite as long as the head and
thorax united, triangularly pointed at apex, when’viewed from above,
polished; the first segment narrow, striated; the second, widened at
apex, but still twice as long as wide at apex.

Hasirat.—Arlington, Va.

Type in Coll. Ashmead.

Its minute size and pallid legs distinguish it from 7. Hubbardi with
which it agrees in the shape of the head and the abdomen.

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 147

Telenomus Koebelei, sp. nov.

@. Length, 1™. Black, shining, the thorax finely punctate, devoid
of pubescence, scutellum smooth, polished. Head transverse-quadrate,
as wide as the thorax, the face rather flat, smooth. Eyes with a fine
pubescence. Mandibles black. Antenne 11-jointed, rather short,
black, the pedicel longer than the first funiclar joint, the second sub-
equal with the first, the third much shorter than the second; the club
is gradually fusiform from the fourth funiclar joint, the first and
second joints transverse-quadrate, the third quadrate, the fourth
slightly smaller than the third quadrate, the last cone-shaped. Legs
black; trochanters, a small spot on knees, and the tarsi, dull honey-
yellow. Abdomen a little longer than the thorax, smooth, shining,
the first segment, and the second at base, striated; the second segment
is at least 14 times longer than wide; all the following segments are
exceedingly short, but distinct, in this respect differing from the typical
forms in the genus. Wings hyaline, with a short fringe; the venation
yellowish, the marginal vein half the length of the stigmal.

HABITAT.—Alameda, Cal.
Types in National Museum.

Described from three specimens reared by Mr. A. Koebele from an
egg of some large unknown bombycid, probably an Attacus.

Telenomus nigriscapus, sp. noy.

$2. Length, 0.8™™. Black, shining, the thorax with a fine white
pubescence. Head very broad, the face polished. Mandibles black.
Antenne in @ 11-jointed, the scape black, the flagellum brown-black,
tip of pedicel yellowish; the. pedicel is not longer than the first funiclar

joint; the second, third, and fourth funiclar joints are about equal,

moniliform, the first four joints of club transverse-quadrate. Thorax
convex. Legs black, the trochanters, anterior tibiz, and all knees and
tarsi, honey-yellow, the middle and hind tibize piceous. Abdomen
fully as long as the thorax, truncate at tip, polished, the second seg-
ment about one-fourth longer than wide. Wings hyaline, fringed, the
venation pale yellowish; the marginal vein is at least one-third the
length of the stigmal.

In the ¢ the legs, including the cox, are uniformly reddish-yellow;
antennie 12-jointed, pale brown, the scape paler; the pedicel is distinctly
smaller than the first funiclar joint, the second and third a little longer
and stouter than the first, the joints beyond to the last round-monili-
form, the last conic, twice as long as the penultimate.

Hasrrat.—A gvricultural College P. O., Mich.

Types in National Museum.

Described from 1 ¢ and 12 received from Prof. A. J. Cook.

148 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Telenomus utahensis, sp. nov.

62. Length, 0.8". Black, shining; the thorax microscopically
punctate, covered with a fine pubescence; the head very little more
than thrice as wide as long, finely shagreened; antenne black, the
pedicel at tip tinged with yellow; legs black, trochanters, knees, an-
terior tibiw, except sometimes a blotch above, and the tarsi, honey-
yellow. Antenne in 2? 11-jointed, the first funiclar joint longer than
the pedicel, the second half the length of the first, the third and fourth
short, transverse; the fourth the broader, nearly as wide as the club; the
club joints quadrate, the first the largest and a little the broadest, last
joint conic. Wings subhyaline, pubescent, iridescent, with short cilia,
the nervures brown, the marginal about one-third the length of the
stigmal.

Abdomen broadly oval, truncate at apex, the petiole striate, the
second segment one-half broader than long.

In the é the antenne are 12-jointed, filiform, the first funiclar joint
about twice as long as the pedicel, the second and third funiclar joints
a little shorter than the first, subequal; the joints beyond, to the ninth,
moniliform; the ninth, a little longer than thick, and two-thirds the
length of the last joint, which is pointed, conie.

HasiratT.—Wasatch and Salt Lake, Utah.

Types, and 2, in Coll. Ashmead.

Described from specimens received from Mr. E, A. Schwarz; collected
June 13 and 27, 1891.

Telenomus noctue, sp. nov.

¢ 2. Length, 0.6"™. Black, polished, pubescent, the thorax highly
convex, microscopically punctate; antenne in 2 brown-black, in ¢ yel-
low; legs yellow to brownish-yellow, the femora and tibiz in the 9
dusky. Head about thrice as wide as long antero-posteriorly. Eyes
pubescent. Antenne 2 11-jointed, less than twice as long as the
scape; the pedicel is stouter, and nearly twice as long as the first funi-
clar joint, the latter only a little longer than thick, the second monili-
form, the third and fourth equal, transverse-moniliform; the club
rather stout, the first joint transverse, twice as wide as long, the second,
third, and fourth joints about equal, transverse-quadrate, a little
broader than long, the last conic. Wings hyaline, ciliated, the ner-
vures brownish-yellow, the marginal vein punctiform, about twice as
long as thick. Abdomen not quite as long as the thorax, truncate be-
hind, the second segment wider than long.

In the ¢ the antenne are 12-jointed, filiform-moniliform, yellow, the
joints loosely articulated, with short bristly hairs; the pedicel is smaller
than the first funiclar joint; the first three funiclar joints are elongate,
the second being a little the largest, the third the smallest, the follow-

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 149

ing joints to the last moniliform, briefly pedicellate, the last cone-
shaped, as long as the first; legs yellow.

HaABirat.—Washington, D.C,

Types in Coll. Ashmead.

Described from many specimens reared in June from the eggs of an
unknown Noctuid moth.

Telenomus gnophele, sp. noy.

62. Length, 0.8™™. Black, shining, the thorax microscopically
punctate. Head transverse, wider than the thorax, the face polished,
impunctured, the vertex faintly shagreened. Eyes slightly bristly.
Mandibles rufous. Antenne 2 11-jointed, black, the pedicel much longer
than the first funiclar joint, the second funiclar joint very slightly shorter
than the first, the third not more than half the length of the second, the
club much more slender than usual. Legs black; trochanters, knees,
base and apex of tibiv, and the tarsi, honey-yellow. Abdomen shorter
than the thorax, broadly truncate behind, the first and second seg-
ments at base, striate, the second being broader than long. Wings
hyaline, fringed, the venation brown, the marginal vein half the length

of the stigmal.

In the ¢ the antenne are 12-jointed, filiform, brown, the pedicel
smaller than the first funiclar joint, the first and third funiclar joints
about equal, the second very slightly longer than either of the others,
the joints beyond to the last, moniliform, the last conic, twice as long
as the penultimate; legs reddish-yellow, the coxze dusky or black.

HABITAT.—Sisson, California.

Types in National Museum.

Described from many specimens reared August 24, 1890, by Mr. A.
Koebele, from the eggs of Gnophela hopferi Grote.

Telenomus gracilicornis, sp. nov.

2. Length, 0.8™™. Head, scutellum, and abdomen polished black,
shining; thorax microscopically punctate, subopaque, with a fine pubes-
cence; scape black, the flagellum brown black, the pedicel yellowish
at tip; legs black; the trochanters, knees, anterior tibie, except a
blotch above, and the tarsi, honey-yellow. Antenne 11-jointed, the
club rather slender; the flagellum twice as long as the scape; the first
funiclar joint is about two-thirds the length of the pedicel, the second a
little shorter than the first but still a little longer than thick; the third
and fourth moniliform, about equal in size; the first joint of club is sub-
moniliform, transverse, a little larger than the last funiclar joint, the sec-
ond, transverse-quadrate, the third and fourth quadrate, slightly longer
than the second, the last pointed, conic. Wings subfuscous, the
venation brown, the marginal vein punctiform, hardly twice as long as
thick. Abdomen not longer than the thorax, truncate at apex, spatu-

150 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

late, not striate basally, the second segment scarcely longer than wide
at apex.

HABITAT.—Ottawa, Canada.

Type, ?, in Coll. Ashmead.

Described from a single specimen.
Telenomus californicus, sp. nov.

9. Length, 0.8". Black, shining, the thorax microscopically pune-
tate and covered with a fine pubescence. Head transverse, as wide as
the thorax, the face smooth, polished. Eyes pubescent. Mandibles
black. Antenne 11-jointed, black, the pedicel distinctly longer than
the first funiclar joint, the first three funiclar joints subequal, all longer
than thick, the fourth moniliform, the first joint of the club small, trans-
verse, the second, third, and fourth nearly equal, transverse-quadrate,
the last short, cone-shaped. Legs black, the trochanters, knees, ex-
treme tips of the tibiz and the tarsi, honey-yellow. Abdomen very
slightly longer than the thorax, polished, the first segment striated,
the second about as long as wide. Wings hyaline, fringed, the vena-
tion pale brownish-yellow, the marginal vein one-third the length of
the stigmal. i

HABITAT.—Los Angeles, Cal.

Types in National Museum.

Described from 4 2 specimens, reared by Mr. D. W. Coquillett from
the eggs of an unknown Orgyia.

Telenomus persimilis, sp. nov.

?. Length, 1.5™", Black, shining, the thorax distinetly punctulate,
subopaque, pubescent; the head 23 times as wide as long, polished, the
vertex toward the eyes alutaceous; legs rufous, the coxie black. An-
tenn 11-jointed, black, the pedicel shorter than the first funiclar joint,
its apical margin yellow, the second funiclar joint is two-thirds the
length of the first, the third and fourth shorter than the second, sub-
equal, the fourth being rounded; the club is rather slender, the first
joint transverse and shorter than the following, the second, third, and
fourth equal, quadrate, the last conic. Wings hyaline, fringed, the
venation pale brown, the marginal vein one-third the length of the shaft
of the stigmal. Abdomen oval-subtruncate at apex, a little longer than
the thorax, smooth, polished, the first segment wider than long, striate,
the second not longer than its width at apex, the following short, the
third being twice as long as the fourth; the suture between the first
and second segments is striated.

HABirat.—Arlington, Va.

Type in Coll. Ashmead.

Described from a single specimen.

Since this was written I have seen specimens of this species reared

from unknown hemipterous eggs in Michigan.

esi

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 151
Telenomus grapte How.
Seudd. But. New Eng., p. 1896.

$2. Length, 0.6™™. Black, shining. Head transverse, wider than
the thorax, the face polished, the vertex subopaque. [yes slightly
bristly. Mandibles piceous-black. Antenne in 2? 11-jointed, black,
very gradually clavate, the club less distinctly defined than usual; the
pedicel a little longer and stouter than the first funiclar joint, the second
andthird funiclar joints moniliform, the second very slightly longer than
the third, the latter a little transverse; first and second joints of club
transverse, the third and fourth quadrate, the last conic. Legs piceous-
brown, almost black, the trochanters, knees, tips of tibive, and tarsi,
pale. Abdomen a little shorter than the thorax, truncate posteriorly,
the first segment transverse, finely striated, the second wider than long,
smooth and polished, the suture between it and the first with some
strie. Wings hyaline, fringed, the venation yellowish, the marginal
vein one-third the length of the shaft of the stigma.

In the 6 the antenne are 12-jointed, filiform, the scape black, the
flagellum brown; the pedicel is shorter than the first funiclar joint, the
second and third funiclar joints about equal, and longer than the first,
the joints beyond to the last, round-moniliform, slightly pedicellate, the
last conic, twice as long as the penultimate. Legs brown, the anterior
tibix, trochanters, base and apex of the tibiae, and the tarsi, honey-
yellow. }

HABItTAtT.—District of Columbia.

Types in National Museum.

Redescribed from many specimens reared by Dr. Riley, September
16, 1886, from the eggs of Grapta interrogationis Fabr.

Telenomus spilosomatis, sp. nov.

$2. Length, 0.6". Polished black, impunctured, the thorax with
a fine microscopic pubescence. Eyes bare. Mandibles black. An-
tenn 2 11-jointed, the scape black, the flagellum dark brown; the pedi-
cel is longer than the first funiclar joint; the second and third funiclar
joints are equal, moniliform; the first joint of the club is transverse,
the second, third, and fourth about equal, quadrate, the last cone-shaped.
Legs piceous-brown, the trochanters, knees, apices of tibie, and the
tarsi, pale brownish-yellow. Abdomen not longer than the thorax,
smooth and shining, the first segment transverse, the second wider
than long, the terminal segments retracted within the second. Wings
hyaline, fringed, the venation pale yellowish, the marginal vein very
slightly longer than half the length of the stigmal.

In the 6 the antenne are 12-jointed, filiform, pale brewn, the pedicel
distinctly longer than the first funiclar joint, the second and third funi-
clar joints about equal, longer than the first, the joints beyond round,

152 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

moniliform, the last cone-shaped, twice as long as the penultimate; legs
pale brownish-yellow, the cox black.

Hasrrar.—District of Columbia.

Types in National Museum.

Described from several specimens reared by Dr. Riley, from the eggs
of Spilosoma virginica Fabr.

Telenomus minimus, sp. nov.

2. Length, 0.6". Black, shining, pubescent, the dorsum of thorax
flattened, the pedicel at apex and the two last funiclar joints, trochan-
ters, knees, and tarsi, yellowish, rest of thelegs pale brownish. The head
is twice as wide as long, or very slightly wider, highly polished, face
convex, eyes pubescent. Mandibles and throat brownish-yellow. An-
tenn 11-jointed, the pedicel more than twice as long as the first funiclar
joint, the latter not longer than thick, the three following joints exceed-
ingly short, transverse, the last the smallest, the first joint of club short,
crescent-shaped, the second semicircular, the third and fourth quadrate,
the last ovate. Wings hyaline, pubescent, the venation pale brown, the
marginal vein about half the length of the stigmal. Abdomen scarcely
larger than the thorax, polished black, without striae at base, the
second segment not as long as wide, the third about one-third the length
of the second, the following very short.

HAsirat.—Arlington, Va.

Type in Coll. Ashmead.

Telenomus heliothidis, sp. nov.

2. Length, 0.6™™. Black, smooth, impunctured. Head large, much
wider than the thorax. Eyes notpubescent. Antenne 11-jointed, dark
brown, the flagellum twice as long as the scape, the pedicel stout and
as long as the first and second funiclar joints together, the first funiclar
joint scarcely longer than thick, the second, third and fourth about
equal, not longer than thick, the fifth larger, moniliform, club 4-jointed,
the second and third joints quadrate, the last conic. Thorax very
faintly pubescent, almost bare. Wings hyaline, with a long fringe.
Legs dark brown, the tarsi pale. Abdomen not longer than the thorax,
broadly truncate behind, the first segment exceedinly short.

HABITAT.—Shreveport, La. .

Type in National Museum.

Described from one 2 specimen, reared in January, 1891, by Mr. F. W-
Mally, from the eggs of Heliothis armigera.
y; gs g
Telenomus orgyie Fitch.
Telenomus orgyie Fitch, Eighth N. Y. Rep., p. 197.
Teleas orgyiw Ashm., Ent. Am., II, p. 100.
6 2. Length, 0.8™". Black, shining; the thorax microscopically
punctate, with a fine sericeous down; the head alittle more than 3 times

lt tt tata tal a he ile ate

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 153

as wide as thick antero-posteriorly, the face highly polished, the eyes
pubescent; thorax highly convex; legs black or piceous-brown, the
trochanters, knees, tips of tibize, and tarsi, pale or yellowish; in male
always pale.

Antenne in 2 11-jointed, black; pedicel longer than the first faniclar
joint, pale at tip; second and third funiclar joints, monilitorm, the sece-
ond slightly the larger, third very small; in ¢ 12-jointed, filiform, hairy,
brown; first three funiclar joints almost equal in length, about twice as
long as the pedicel, the first the stoutest, the third a little curved; re-
maining joints, except the last, moniliform, loosely joined, the last conie.
Wings hyaline, fringed, the venation pale brown, the marginal vein
about one-third as long as the stigmal.

Abdomen oval, about as long as the thorax, black and highly polished,
the first and second segments without strie.

HaBirat.—New York and Ottawa, Canada.

Specimens in Coll. Ashmead.

Described from several specimens, in both sexes, bred by Mr. W.
H. Harrington from eggs Orgyia sp. at Ottawa.

Telenomus ichthyure, sp. nov.

6 2. Length, 5.6™. Black, shining, impunctured, the thorax
covered with a fine microscopic pubescence. Head very wide, wider
than the widest part of the thorax, the face convex, polished. Mandi-
bles piceous. Antenne in 2 11-jointed, black, the flagellum one and
a half times as long as the scape, the pedicel much longer than the
first funiclar joint, the latter only a little longer than thick, the second
and third joints equal, moniliform, the fourth still smaller, the joints 2,
3 and 4 of club, quadrate, the last short, conic. Thorax high, convex.
Legs piceous-brown, cox black, trochanters, knees, base, and apex
of tibiz and the tarsi honey-yellow. Abdomen not as long as the
thorax, broadly truncate posteriorly, polished, the first segment trans-
verse, thrice as wide as long, the second much wider than long and
occupying most of the surface, the remaining segments scarcely visi-
ble, more or less retracted within the second. Wings hyaline, fringed,
the venation pale; the marginal vein is very short, punctiform, the
stigmal oblique, nearly four times the length of marginal.

In the é the antenne are filiform, 12-jointed, pale brown, the pedicel
slightly longer than the first funiclar joint, the second and third stouter
and longer than the first, about equal in length, the joints beyond to
the last distinctly transverse, the last conic; the legs, except the black
cox, are pale brownish-yellow.

Hapsrrat.—Washington, D. C.

Types in National Museum.

Described from many specimens, in both sexes, reared by Dr. Riley
from the eggs of Ichthyura inclusa Hiibn.

154 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Telenomus infuscatipes Ashm.

Teleas infuscatipes Ashm., Ent. Am., 111, p. 100; 2 ¢.

é 2. Length, 0.8"". Polished black; the thorax finely pubescent;
the head thrice as wide as long, the face very convex; eyes bare; an-
tenn brown-black, the scape pale at base; legs brown, the coxze and
middle of femora and tibize dusky; mandibles rufous. Antenne ? 11-
jointed, the flagellum one and a half times as long as the scape, the
pedicel twice as large as the first funiclar joint, the second and third
funiclar joints moniliform, a little transverse, the fourth very small,
transverse; the first joint of club very short, crescent-shaped, thrice
as wide as the last joint of the funicle; the second, third, and fourth
joints very wide, transverse-quadrate, twice as wide as long, the last
ovate. Wings hyaline, pubescent, the venation yellowish-brown, the
marginal vein about half the length of the stigmal. Abdomen not
longer or wider than the thorax, the first segment striate, the second
a little wider than long.

In the ¢ the antenne are 12-jointed, long, filiform, the first funiclar
joint incrassated.

HABITatT.—Jacksonville, Fla.

Types in Coll. Ashmead.

Described from one ¢ and two 2 specimens. The ¢ of this species is
now destroyed, but it should be recognized again if rediscovered by the
incrassated first joint of the funicle.

Telenomus bifidus Riley.
Rep. U. S. Dept. Agric. 1886, p. 531, ¢ 9; Cress. Syn. Hym., p. 248.

é 2. Length, 0.6™". Black, shining, the thorax microscopically
punctulate and covered with a fine white pubescence. Head as broad
as the widest part of the thorax, highly polished, impunctured. Kyes
almost bare. Mandibles brown. Antenne ? 11-jointed, the scape black,
the flagellum brown-black, the pedicel brownish-yellow, distinctly longer
and stouter than the first funiclar joint, the second and third funiclar
joints equal, moniliform, the first joint of the club small, transverse, the
second longer, the third and fourth transverse-quadrate, the last cone-
shaped. Legs honey-yellow, the femora slightly obfuscated, the coxie
black. Wings hyaline, fringed, the venation yellowish, the marginal
vein nearly half the length of the stigmal. Abdomen slightly shorter
than the thorax, polished, the first segment slightly wider than long:

In the ¢ the antenne are 12-jointed, filiform, and of a uniform pale
brownish-yellow, the pedicel scarcely longer than the first funiclar joint,
the flrst and second funiclar joints nearly equal in length, the third
slightly shorter, the joints beyond round, or moniliform, the last conic
a little less than twice as long as the penultimate; legs pale yellow.

HApBirat.—District of Columbia.

Types in National Museum.

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 155

The species was reared by Dr. Riley, July 27 , 1886, from the eges of
Hyphantria textor Harris.

Telenomus maculipennis, sp. noy.

2. Length, 0.6", Polished black, impunctured, the first segment
and the second, for half its length, striate; tarsi whitish.

Head transverse, very little more than twice as wide as thick antero-
posteriorly. Hyesbare. Antenne 11-jointed, the scape short, less than
half the length of the flagellum, the pedicel large and much stouter than
the funiclar joints, as long as the first and second funielar joints together,
pale at apex, first and second funiclar joints equal, scarcely longer than
thick, the third and fourth still smaller, minute, moniliform; club fusi-
form, longer than the scape, the first joint transverse, the second a little
wider and longer, the third still wider, quadrate, the fourth a little nar-
rower, quadrate, the last conic. Thorax subconvex. Wings hyaline,
ciliated, with a dusky band across the middle below the marginal vein;
the stigmal vein short, with a spurious vein extending into the middle
of the wing from the knob; marginal vein about as long as the stigmal.
Abdomen about as long as the head and thorax together, the second
segment a little longer than wide, with the basal half very finely, longi-
tudinally striated.

HAsitat.—Jacksonville, Fla.

Type 2 in Coll. Ashmead.

Described from a single specimen captured while sweeping.
The banded wings and the short stigmal vein, with a branch or uncus,
from its tip, readily distinguish the species.

‘Telenomus sphingis Ashm.
(Plate vu, Fig. 7, ¢.)

Teleas sphingis Ashm., Bull. No. 14, Diy. Ent., U.S. Dept. Agric., p. 18; Ent. Am.
11, p. 100; Cress. Syn. Hym., p. 313.

6%. Length, 0.85 to1™™, Black, shining, the thorax very faintly
microscopically punctate, finely pubescent; antenne brown to dark
brown, the scape rarely entirely black, usually pale beneath or at base
and apex; legs pale brown, or brownish-yellow, the coxe black, the fem-
ora and tibiwe more or less embrowned. Head thrice as wide as long;
the eyes pubescent, the mandibles piceous or brown. Antenne ? 11-
jointed, the pedicel longer and stouter than the first funiclar joint, yel-
low at tip, the latter scarcely longer than thick, second and third joints
not longer than thick, the fourth short, transverse, a little wider than the
third, the club about as long as the funicle and pedicel united, the first
joint transverse not so wide as the second, the second, third, and fourth,
quadrate, the last conic. Wings hyaline, ciliated, the venation pale
brownish or yellowish, the marginal vein a little longer than half the
length of the stigmal. Abdomen black, polished, not longer than the
thorax, truncate at apex, the first Segment and the suture between the

156 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

first and second striate; the second segment is half again as long as
wide.

In the ¢ the antenne and legs are yellow, the cox black, or dusky,
the pedicel slightly shorter than the first funiclar joint, the first three
funiclar joints equal, one and a half times as long as thick, the following
to the last, moniliform, subpedicellate.

Haprrat.—Jacksonville, Fla.

Types in Coll. Ashmead.

Described from many specimens, reared from the eggs of Sphinx
carolina Linn.

Telenomus Rileyi How.
Scudder, Butterflies New Eng., p. 1896.

?. Length, 0.6™". Black, shining, the thorax with a fine micro-
scopic punctation and down. Head broadly transverse, slightly more
than thrice as wide as long. Eyes slightly pubescent. Mandibles
brown. Antenne 11-jointed, dark brown, the scape pale at extreme
base; the pedicel is a little longer than the first funiclar joint; the see-
ond, third, and fourth funiclar joints moniliform; the first joint of the
club transverse, the second, third, and fourth joints about equal, trans-
verse-quadrate, the last cone-shaped. Legs dark brown or piceous, the
trochanters, knees, and tarsi, honey-yellow. Abdomen very slightly
longer than the thorax, smooth, polished, the first segment striated,
the second a little wider than long. Wings hyaline, fringed, the vena-
tion pale, the marginal vein punctiform.

HABITAT.—Fairbury, Il.

Types in National Museum.

Described from 3 2 specimens, reared March 22, 1884, from the eggs
of Apatura clyton by A. H. Mundt.

Telenomus gossypiicola, sp. nov.

?. Length, 0.6". Black, shining, impunctured. Head broadly
transverse, not quite thrice as wide as long antero-posteriorly. Eyes
bare. Mandibles pale rufous. Antenne 11-jointed, brown, the scape
blackish above; the pedicel is slightly longer than the first funiclar joint;
the second and third funiclar joints equal, moniliform; the fourth smaller,
transverse; the first joint of the club is transverse, the second, third,
and fourth transverse-quadrate, the fourth slightly the largest, the
last cone-shaped. Legs dark brown, the trochanters, knees, tips of
tibie and the tarsi, yellow. Abdomen slightly shorter than the thorax,
smooth, polished, the first segment short, transverse, the second wider
than long. Wings hyaline, fringed, the venation pale, the marginal
vein about half the length of the stigmal.

|
|
|
|

a

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDEH. 157

Habirat.—Bougere P. O., Concordia Parish, La.
Types in National Museum.

Described from 6 2 specimens, reared August 16, 1880, from lepidop-
terous eggs found on cotton.

Telenomus geometre, sp. nov.

oie. Length, 0.45™", Black, shining, impunctured. Head trans-
verse, thrice as wide as long, the face convex, highly polished. Eyes
bare. Mandibles piceous-brown. Antenne 2 11-jointed, dark brown;
the pedicel is stout and at least twice as long as the first funiclar joint;
the first funiclar joint only a little longer than thick, the second sub-
equal with it, the third moniliform, the fourth very small, transverse; the
first joint of the club is transverse, the second larger, transverse, the
third and fourth larger, quadrate, the last conic. Legs brown, the pos-
terior coxe blackish, the trochanters, knees, tips of tibie and tarsi,
pale. Abdomen not longer than the thorax, smooth, polished, the
second segment a little wider than long, apex truncate. Wings hya-
line, fringed, the venation pale yellowish, the marginal vein one-third
the length of the stigmal.

In the ¢ the antenne are 12-jointed, filiform, pale brown, the pedi-
cel about as long as the first funiclar joint, the first three funiclar joints
nearly equal, the first being slightly the shortest, the joints beyond
round, moniliform, slightly pedicellate, the terminal joint conic,
slightly more than twice as long as the preceding. Legs pale or
yellowish, the femora and tibiew dusky.

HABITAT.—(?) District of Columbia.

Types in National Museum.

Described from many specimens reared from the eggs of an unknown
geometrid moth found on wild cherry; no date of rearing is given.

Telenomus arzame, sp. nov., Riley.

“oo, Length, 0.8"™. Black, shining, the head and thorax with a
faint microscopic punctuation and finely pubescent. Head transverse,
slightly more than thrice as wide as long, polished; eyes slightly
pubescent; mandibles brown; antennie 11-jointed, brown, the flag-
ellum darker above than beneath; the pedicel is scarcely longer than
the first funicular joint, the funicular joints subequal, the first joint
of club transverse, the second, third, and fourth about equal, trans-
verse-quadrate, the last cone-shaped: legs rufous, or reddish-yellow,
the trochanters and tarsi paler; sometimes the femora and tibiz are
more or less obfuscated: wings hyaline, fringed, the venation pale
brownish, the marginal vein about half the length of the stigmal.
Abdomen as long as the thorax, polished, the first segment striated,
the second about as long «as its width at apex.

158 BULLETIN 45, UNITED STATES NATIONAL MUSEUM. ;

“In the é the antenne are 12-jointed, filiform, pale brownish yellow,
the flagellum dusky brown; the pedicel shorter than the first funicular
joint; the second and third equal, a little longer than the first, the
joints beyond oval-moniliform, the last conic, much longer than the
preceding; legs reddish yellow or brownish yellow, the posterior
coxe dusky.

“Described from many specimens reared June 4 to 23, 1884, from
eggs of Arzama densa Walk.”—| From Riley’s MS.|

Hasrrar.—District of Columbia.

Types in National Museum.

Telenomus laverne, sp. nov.

?. Length, 0.6™™, Black, shining, the thorax closely, microscopic-
ally punctulate. Head thrice as wide as long. Eyes bare. Mandibles
piceous. Antenne 11-jointed, brown, the scape pale rufous, the ped-
icel slightly longer than the first funiclar joint, the funiclar joints sub-
equal, the joints of the club only a little wider than long. Wings
hyaline, fringed, the venation yellowish; the marginal vein about one-
third the length of the stigmal. Legs brownish-yellow. Abdomen as
long as the thorax, polished, the first segment striate, the second not
longer than wide.

HABITAT.—District of Columbia.

Types in National Museum.

Described from specimens reared by Dr. Riley, June 21, 1884, from
from eggs of Laverna luciferella Clem.

Telenomus podisi, sp. nov.

$ 2. Length, 1™™. Black, shining, the thorax very finely but
distinctly punctate, and with a white pubescence. Head broadly trans-
verse, the face smooth, the vertex under a strong lens exhibiting a
faintly shagreened or alutaceous surface. Eyes a little bristly. Man-
dibles brownish-yellow. Antennie ? 11-jointed, brown, the scape and
pedicel yellow, or brownish-yellow; the pedicel is distinctly longer than
the first funiclar joint, the second subequal with the first, the third and
fourth small, moniliform; the first jont of the club is transverse, about
half the length of the second, but not so wide, the second and third
transverse-quadrate, the fourth quadrate, the last cone-shaped, not
longer than the preceding. Legs, including coxe, honey-yellow. Abdo-
men as long as the thorax, polished, the first segment striate, the
second as wide as long, striate at basal suture. Wings hyaline, fringed,
the venation pale yellow, the marginal vein less than half the length
of the stigmal.

In the ¢ the antenne are 12-jointed, filiform, the first three funiclar
joints lengthened and thickened, the first and second, about equal, the
third a little shorter; the pedicel is only half the length of the first

|
|

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDE. 159

funiclar joint, the joints after the third moniliform, the last conic; legs,
including cox, honey-yellow. :

HABITAT.—St. Louis, Mo.

Types in National Museum.

Described from specimens reared from eggs of Podisus spinosus Dall.,
June 9, 1879.

Telenomus chrysope, sp. nov.

6. Length, 0.6™. Black, shining, the thorax microscopically
punctate, with a fine down. Head transverse, thrice as wide as long.
Eyes with a few hairs. Mandibles brown. Antenne 11-jointed, brown,
the pedicel hardly as long as the first funiclar joint, the second and
third funiclar joints about equal, longer than the first, the joints beyond
to last oval-moniliform, slightly pedicellate, the last conic, about twice
as long as the penultimate. Legs dark fuscous or brown, the cox
black or blackish, the trochanters, knees and tarsi, pale. Abdomen
not as long as the thorax, spatulate, smooth, polished, without strix,
the second segment not longer than its width at apex. Wings hyaline,
fringed, the venation pale brown, the marginal vein about half the
length of the stigmal.

HABITAT.—District of Columbia.

Types in National Museum.

Described from 4 ¢ specimens, reared from the eggs of Chrysopa
sp. in July.

Telenomus ccelodasidis, sp. nov.

6. Length, 0.8™". Black, shining, the thorax very faintly, micro-
scopically punctate, with a fine, white pubescence. Head transverse, a
little broader than the thorax, the vertex exhibiting a faint, shagreened
punctuation, the face smooth, highly polished. Eyes pubescent. Man-
dibles pale brown, or yellowish. Antenne 12-jointed, brown, the fla-
gellum, fully as long as the body, very bristly, the pedicel very small,
rounded, not half the length of the first funiclar joint, the first three
funiclar joints stout and long, the first, much shorter than the second,
the third, a little shorter than the second, the joints beyond oval-monil-
iform, the last cone-shaped, twice as long as the penultimate. Legs
piceous, the coxe black, trochanters, knees, anterior tibiew, and tips of
the others and all the tarsi, honey-yellow. Wings hyaline, fringed,
the venation pale yellowish, the marginal vein about half the length
of the shaft of the stigmal. Abdomen searcely as long as the thorax,
polished, the first segment and the second at base, striate, the latter
wider at apex than long.

HABITAt.—Washington, D. C.

Types in National Museum.

Described from 2 specimens reared August 31, 1882, from the eggs
of Celodasys leptinoides Grote.

160 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.
Telenomus clisiocampe sp. nov., Riley.

“2, Length, 0.6™, Black, shining, the thorax alone exhibiting a
faint microscopic punctation. Head transverse, about thrice as wide
as long: eyes faintly bristly; mandibles brown; anutenne 11-jointed,
black, the pedicel much longer than the first funicular joint, the second
funicular joint subequal with the first, the third very short, moniliform ;
the first joint of club transverse, small, the second, third, and fourth
equal, quadrate, the last bluntly cone-shaped, scarcely longer than the
preceding and narrower: legs dark brown, almost black, the tro-
chanters, a small spot on knees. and the tarsi, pale: wings hyaline,
fringed, the venation pale brown, the marginal vein about one-third the
length of the stigmal. Abdomen longer than the thorax, pointed at
apex, smooth and polished, the second segment longer than wide.

‘‘In the ¢ of what I take to be this species, the antenne are 12-jointed,
filiform, brown, the pedicel not as long as the first funicular joint, the
second and third about equal, very slightly longer than the first, the
joints beyond ovoid-moniliform. The legs show much more yellow than
in the 2, the knees, broadly, base and apex of tibiz and tarsi, yellow.
The first and second abdominal segments are striated at base; while
the second is almost twice as long as wide.

“Described from one 2 reared by Albert Koebele from the eggs of a
Clisiocampa sp. in California, and one é reared by C. F’. Waters in Ne-
braska, March 25, 1889, from the eggs of Clistocampa americana Harris.”
[From Riley’s MS. |

HABITAT.—Placer County, Cal., and Westerville, Nebr.

Types in National Museum.

? Telenomus pennsylvanicus, sp. noy.

2. Length, 1.2™". Brown-black, opaque, coarsely cribrately pune-
tate; the face with a deep impression just above the antenne and with
a carina between the antenne. Antenne 12-jointed, brownish-yellow,
the club fuscous; the pedicel is longer than the first funiclar joint, the
second subequal with the first, joints 5 and 4, scarcely longer than
thick, the club 5-jointed. Mesopleura cribrate punctate, with a rufous
margin. Wings hyaline, pubescent, the marginal vein a little longer
than half the length of the stigmal.

Abdomen broadly oval, sessile, the first segment transverse with lon-
gitudinal raised lines, the following segments coarsely shagreened.

HABITAT.—Pennsylvania.

Type, 2, in Berlin Museum.

Described from a single specimen labeled “ Penn. Zimmermann.”
This species is at once distinguished from all others by the cribrate
punctuation, and it may ultimately form the type of a new genus.
My recollection of it is that it closely resembled an Hadronotus, and it
is placed here doubtfully.

wy

)
|
|

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 161
Telenomus rufoniger Proy.
Add. et corr., p. 4038.

$. Long. 10 pee. D’un noir brillant en dessus, le scape des antennes, la poitrine,
les pattes avec la base de Vabdomen d’un jaune plus ou moins roux. Ailes avec
Vhumérus se confondant avec la nervure costale, ulna élargie, ayant Vapparence dun
second stigma; cellule radiale ouverte, la partie antérieure de Vaile plus ou moins
obseurcie de roussitre. Abdomen assez court, claviforme, subsessile. Cap Rouge.

Unknown to me. The species is certainly not a true Telenomus, and
appears to me, judging from his description, «a Ceraphronid,

TRISSOLCUS Ashmead, gen, noy.
(Type TL. brochymena, Ashlin.)

Head very large, transverse, much broader than the thorax, the frons
convex, the occiput deeply concave, the upper edge of which is sharp.
Ocelli 5, triangularly arranged, widely separated, the lateral a little
distant from the margin of the eye, and connected with it by an oblique
grooved line. Eyes large, subovate.

Antenne immserted close to the mouth, in 2 11-jointed, clavate, the
funicle 3-jointed, the club 6-jointed, in ¢ 12-jointed, filiform, with the
flagellar joints moniliform or submoniliform, pubescent.

Maxillary palpi 3-jointed.

Mandibles bifid.

Thorax short, ovoid, convex, the collar not visible from above, the
mesonotum with 5 furrows abbreviated anteriorly, the scutetlum semi-
circular, the metathorax very short.

Front wings pubescent, the marginal vein usually short, the stigmal
vein rather long, oblique; postmarginal long.

Abdomen broadly oval, depressed, subsessile, the second segment the
longest, but always broader than long.

Legs as in Telenomus.

This genus is closely allied to Telenomus, but is readly distinguished
by the three abbreviated nesonotal grooves, broader head, and the wide
second abdominal segment.

It seems to be parasitic only on the eggs of plant bugs belonging to
the family Pentatomidea.

Our species may be thus tabulated :

TABLE OF SPECIES.

Cox and femora black.
Trochanters, tips of femora, tibiw, and tarsi honey-yellow.
Antenne wholly black, rarely with the distal ends of scape pale.
First funiclar joint as long as, or a little longer than, the pedicet.

Second abdominal segment above longitudinally aciculated ; seutellum finely

POUCH eee me itera seers reas te beaker SIA 22 T. nuscuistr Ashin.
Second abdominal segment above smooth, not aciculated ; scutellum smooth,

GIS Ie irre permet omy cet unt ay Ney Seo Los Sie ‘T, PODISI, sp, nov.

21899__No, 45

162 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

First funiclar joint shorter than the pedicel.

Thorax finely and closely punctate.
Second abdominal segment longitudinally aciculated.
Scutellum smooth, polished)).7--2- 5-5-2245 = soe T. TILYANTS, sp. nov.

Thorax rugose.
Second abdominal segment perfectly smooth.
Scutellum punctate or rugose..........---.------ T. MURGANTLE, sp. nov.

Legs and scape yellow, or pale ferruginous; coxe black.
Pedicel longer than the first funiclar joint.

Secutellum rugoso-punctate, subopaque.....-...----- T. RUFISCAPUS, sp. DOV.
Scutellum ‘smooth, polished] 3. .2> sons eens ooo eee T. BROCHYMEN_-E Ashm.

Trissolcus euschisti Ashm.

Telenomus euschistus Ashin., Bull. No. 3, Kans. Ex. Sta., App., p. 16 (1888).

2. Length, 1.5°", Black, shining, very finely closely punctate, the
thorax with a white pubescence. Head very large and broad, the face
with a median furrow. Mandibles piceous-black. Palpi pale. Anten-
ne 11-jointed, dark brown, the scape at base and tip, the pedicel and
one or two funiclar joints more or less pale brown or yellowish; the
pedicel is as thick and as longas the first funiclar joint, the latter thrice as
long as thick, the two following joints small, the club slender, fusiform,
6-jointed. Mesonotum with 3 abbreviated furrows posteriorly; scutel-
lum smooth, shining, impunctured. Wings hyaline, the venation pale
brown or yellowish, the marginal vein about one-third the length of the
stigmal. Legs black; the trochanters, tips of femora, tibiz, and tarsi,
honey-yellow or brownish-yellow, the tibize sometimes dusky or fuscous
at the middle. Abdomen broadly oval, polished, as long as the thorax,
the first segment striate.

Hapsiratr.—Manhattan, Kans.

Types in Kansas State Agricultural College and Coll. Ashmead.

Described from many specimens reared by Prof. E. A. Popenoe, from
the eggs of Huschistus servus Say.

Trissolcus podisi, sp. noy.

2. Length,lto1.2™", Black, subopaque, the thorax microscopically
punctate; head broad, smooth, and polished, with a few punctures sur-
rounding the orbits; mandibles black. Antenne 11-jointed, black, the
pedicel not longer than the first funiclar joint, the second and third
funiclar joints transverse-quadrate; the club large, pointed at tip, the
joints transverse. Thorax with 3 abbreviated furrows posteriorly;
seutellum smooth, polished, impunctured. Wings hyaline, finely pubes-
cent; the venation fuscous, the marginal vein about half the length of
the shaft of the stigmal. Legs black, trochanters, knees, tips of tibie
and tarsi, pale or yellowish. Abdomen broadly oval, about as large as
the thorax, polished, the first segment striate, the second about thrice
as wide as long, with only faint traces of aciculations at base,

HApriratT.—Philadelphia, Pa.

Types in National Museum.

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 163

Described from four specimens received from Mr. KE. 'T. Cresson,
reared from the eggs of Podisus spinosus Dallas.

Trissolcus thyante, sp. nov.

2. Length, 0.8 to1™™. Black, subopaque, closely, finely, minutely
punctulate; mandibles piceous; legs black, tips of all the femora and
the tibize and tarsi, honey-yellow. Antenne 11-jointed, black, the pedi-
cel shorter than the first funiclar joint, the second quadrate, the third
very small, transverse.

Thorax with 3 abbreviated impressed lines posteriorly; scutellum
smooth, polished. Wings hyaline, pubescent, the venation pale brown-
ish-yellow, the marginal vein about one-third the length of the shaft of
the stigmal. Abdomen broadly oval, truncate at tip, the first segment,
and the second at base, coarsely striate.

HABITAT.—Selma, Ala.

Types in National Museum.

Described from specimens reared by Mr. EK. A. Schwarz from the
eggs of Thyanta custator, but which were wrongly determined as those
of Podisus spinosus. The species comes near T. podisi, but differs in
size, color of the legs, punctuation, and in venation.

Trissolcus murgantie, sp. nov.

62. Length, 1 to 14™. Black, rugose, the abdomen smooth,
polished; first abdominal segment striate; trochanters, knees, distal
ends of tibiv, and tarsi, dark honey-yellow; wings hyaline, the venation
pale brownish, the marginal vein about as long as the stigmal. The
female is the larger, with the face rugose or closely punctate; antennie
11-jointed, wholly black or brown-black, the pedicel a little longer than
the first flagellar joint; funiclar joints 2, 3, and 4 transverse, the third
the largest; club 5-jointed, slightly wider than the last funielar joint,
the last joint minute; mandibles black.

The male averages only 1" in length, with the face almost smooth
or only faintly punctate; antenne 12-jointed, filiform-moniliform, the
scape brownish-yellow, flagellum brown-black, with all the joints, ex-
cept the first and last, moniliform; the last fusiform, twice as long as
the penultimate; mandibles rufo-piceous.

HABITAT.—Baton Rouge, La.

Types in National Museum.

Described from several specimens reared by Mr. H. A. Morgan, from
eggs of the cabbage bug, Murgantia histrionica Hahn. Comes nearest

‘to T. thyante and T. rufiscapus, but is distinguished from them by
sculpture, color, and differences in the antennie.

Trissolcus rufiscapus, s). nov.

2. Length, 1.4™"™. Black, subopaque, very finely punctate; front
shining, finely, feebly punctate: a large foyea above the clypeus; legs

164 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

rufous; the coxw black. Antenne 11-jointed, black, the scape rufous,
slightly dusky at tip above, the pedicel nearly as long as the first and
second funiclar joints together, the second and third funiclar joints
transverse; the club 5-jointed, not quite as long as the scape. Thorax
minutely, closely punctulate, shghtly pubescent, with three abbreviated
furrows posteriorly; the scutellum rugoso-punctate, slightly lustrous,
pubescent. Wings subhyaline, pubescent, the nervures pale brown-
ish, the marginal vein very short. Abdomen broadly oval, depressed,
polished, the first segment striate, the second, twice as wide as long.

HABrrat.—Washington, BG.

Type in National Museum.

Trissolcus brochymene Aslim.

(Riva, Hies 65-0)

Telenomus brochymene Ashin., Fla. Agric., 1v, 1881, p. 193; Ent. Am., 1, p. 118;
Cress. Syn. Hym., p. 314.

@. Length, 0.8 to 0.9™". Black, shining, the thorax feebly, micro-
scopically punctulate, with a fine pubescence; head smooth, fully four
times as wide as thick antero-posteriorly, a fine punctulate line sur-
rounding the orbits. Ocelli very widely separated, the lateral close
to the eye margin on an oblique grooved line extending from the eye
to the occiput. The occiput concave, the upper edge sharp; cheek flat.
Kyes pubescent. Antenne 11-jointed, the scape, pedicel, and first
funiclar joint, brownish-yellow, the following joints brown-black; the
scape does not extend above the front ocellus; the pedicel is longer and
thicker than the first funiclar joint, the latter about twice as long as
thick, joints 2 and 5 transverse, the club large, 6-jointed, all the joints,
except the last, transverse. Thorax rounded, the mesonotum convex,
wider than long, with 3 abbreviated grooved lines posteriorly. Legs
honey-yellow, the cox black. Abdomen small, flattened, not longer
than the thorax, truncate behind, black, shining, the first segment
transverse, striated, separated from the second by a deep suture, the
second occupying most of the remaining surface. Wings hyaline, the
venation yellow, the marginal vein punctiform, not longer than thick.

Haprratr.—Jacksonville, Fla.

Types in Coll. Ashinead.

Described from several specimens reared from the eggs of Brochy-
mena arborea Say. Specimens are also in the National Museum, reared
from the eggs of an unknown Hemipteron by Mr. H. G., Hubbard.

DISSOLCUS Ashmead, gen. noy.
(Type D. nigricornis Ashin.)

Head transverse or subquadrate, not wider than the thorax, the
occiput flat but not concave or emarginate. Odcelli 5, in a triangle,
the lateral a little away from the margin of the eye. Eyes ovate,
pubescent,

a

— — oo. 2 aegeah«

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID.E. 165

Antenne inserted close to the clypeus, in 2 11-jointed, the flagellum
very gradually increasing in thickness toward the tip, or subclavate;
the pedicel is larger than the first funiclar joint, which is a little
longer than thick, the second shorter, the third and following joints,
transverse, or wider than long. ¢ unknown.

Thorax ovoid, the mesonotum scarcely longer than wide, subde-
pressed, with 2 short impressed lines posteriorly, abbreviated ante-
riorly, the scutellum flattened, the metathorax short, rounded behind.

Front wings as in Telenomus except the marginal nervure is as long
as the stigmal.

Abdomen subsessile, depressed, ovate, about as iong as the head and
thorax together, subacute at tip, the second segment nearly twice as
long as wide.

Legs as in Telenomus except the tarsi are distinctly longer than the
tibive.

In the shape of the abdomen and in antennal and thoracic charac-
ters this genus approaches nearest to Phanurus, but otherwise it is
like Telenomus.

The broader wings and the longer marginal nervure will distinguish
it from the former, while its cephalic, antennal, and thoracic characters
readily separate it from the latter, the two abbreviated mesonotal fur-
rows being found in no other genus. It bears not the slightest resem-
blanee to Trissoleus, which has a very large, broad head, convex tho-
rax, a broadly oval abdomen, and three abbreviated mesonotal furrows.

Only a single species is known.

Dissolcus nigricornis, sp. nov.
(BI: vat, Bis: 8.9.)

2. Length, 0.8™™, Black, subopaque, the surface finely alutaceous,
subpubescent; head hardly twice as wide as thick autero-posteriorly,
the face convex, smooth, shining. Eyes pubescent. Antenne 11-
jointed, very gradually subelavate, the club not distinctly separable;
the flagellum is twice the length of the scape; the pedicel stouter than
the first three or four funiclar joints, twice as long as thick; the first
funiclar joint longer than thick, the second, not longer than wine the
following transverse and very peldualte widening to the tip, the last
conic or ovate. Thorax ovoid, the mesonotum se: ieely longer than
wide, a little depressed, with 2 delicate abbreviated impressed lines
posteriorly. Wings hyaline, iridescent, the nervures pale brown, the

marginal as long as the oblique stigmal. Legs black, the knees and

tarsi, brown. Abdomen black, polished, as long as the thorax, the
first segment str tate, the second longer than wide.
HABITA ille, Fla.

Type in Coll. Ashmead.
Described from a single specimen taken while sweeping.

166 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.
ARADOPHAGUS Ashin., gen. noy.

Head eblong, very flat, attached to the thorax high up on the occiput,
the space between the eyes very wide. Ocelli 3, subtriangularly ar-
ranged, the lateral far from the eye. Eyes oblong-oval, bare.

Antenne inserted at the mouth, subclavate, 12-jointed in both sexes;
the scape very long, cylindrical; the pedicel long, one-third longer
than the first flagellar joint, the following joints shorter but stouter,
subequal.

Maxillary and labial palpi very short, inconspicuous, 2-jointed.

Mandibles small, bifid.

Thorax ovoid, very flat, the prothorax not at all developed or visible
from above; mesonotum smooth, without furrows, rounded before;
scutellum short, semicircular, with a very delicate cross-line before the
tip; metathorax short, with delicate lateral keels.

Front wings fringed as in Cerocephala, the submarginal vein reach-
ing the costa before attaining half the length of the wing, the marginal
vein longer than the oblique stigmal vein, while the post-marginal vein
is well developed.

Abdomen very flat, ovate, with a short petiole, the second segment
the largest, about twice the length of the first, the third and fourth
about equal, two-thirds the length of the second; ovipositor exserted.
Legs slender.

This genus in its thoracie and antennal characters is quite distinct
from all others in the group, and requires no special comment. It shows,
strongly, affinities with the Ceraphroninw and was originally placed
there in my collection; it also resembles a “ Spalangiid,” and caused
me, at one time, to contemplate removing the Spalangiine from the
Chalcidide to the Proctotrypida.

Aradophagus fasciatus, sp. noy.
CBISvan; Bies959-.))

62. Length,1.5"". Honey-yellow, smooth, polished, impunctured.
Scape, pedicel, and basal half of first funiclar joint pale or whitish, the
rest of the antenne, brown-black. Front wings fuscous, the base, a
transverse band at the middle, and the apical margin white; hind wings
hyaline. Abdominal sutures narrowly banded with fuscous,

HABitTatr.—Jacksonville, Fla.

Types in National Museum and coll. Ashmead.

The two specimens in my collection were taken by myself in April,
1887, under live oak bark badly infested with Brachyrhynchus granulatus
Say and Pityophthorus querciperda Swz., the old egg masses of the Ara-
did being quite plentiful. The single specimen in the National Mu-
seum was taken by Mr. E. A. Schwarz in Florida, whothinks he reared
it from Pityophthorus consimilis Lec., together with several Ceroceph-
alie. I believe its habits will prove identical with other Scelionids,
and it will be found to be a parasite in the eggs of the Aradide,

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. i67
Tribe 11.—B AINI.

This tribe is of small extent, apparently, and for the most part, com-
prises species of the smallest size, the majority of which rarely attain
one millimeter in length.

The habitus of the species more closely resembles the Telenomini, but
the solid antennal club of the female, the difference in venation of the
winged forms, the marginal vein being punctiform, or short and stout,
the stigmal vein short, thickened at base and terminating in a small
rounded stigma, while the basal nervure is usually present, and the
third abdominal segment, not the second, being the largest, readily
distinguish them. These differences and the position of the lateral
ocelli will also separate them at once from the other tribes.

The tribe Beini, as at present defined, will contain five genera: Thoron
Hal., Acolus Forst., Acoloides How., Ceratobaus Ashnn., and Beus Hal.,
the parasitism of three of which is known.

Species in the genera Acolus, Acoloides, and Baus have been reared
in America from spider eggs; and I should not be in the least surprised
to learn, from future observations, that the whole group confine their
attacks to Arachnid eggs.

The genera may be distinguished by the aid of the following table:

TABLE OF GENERA.

FEMALES.

aaa BN GRE FAS Sea twee a aaa tala a an wire tte et actin = ele lclal ote ares = melee 2
Winged.
First abdominal segment without a horn at base.
Mesonotum with 2 furrows; first abdominal segment petioliform; eyes bare;

lateral ocelli distant from the margin of the eye..-..-- THORON Hal.
First abdominal segment with a horn at base.
Mesonotum without furrows.....-..----..---- CERATOB&US Ashm., gen. nov.

2. Seutellum distinct.
Mesonotum without furrows; lateral ocelli close to the eye.
First abdominal segment with a horn at base ....-....-..--..- CERATOBEUS.
First abdominal segment without a horn at base.

First abdominal segment as broad as the metathorax and only visible as a
transverse line; face with an antennal impression, the occiput con-
cave, the superion marpin sharps---9---- -2-.=--25--- ACOLUS Forst.

First abdominal segment subpetiolate, much narrower than the metathorax ;
face not or but slightly impressed, the superior margin of the occi-
PULLELOUNIC edi ase se ee Seto: See ie ss oP el eee ACOLOIDES How.

MGIC MMII VY AINULIN Oats cto crate) rai stat yafe ayia ia cinisve Sie Steele Sin sin’eiaewisie + clei aye Baws Hal.

MALES.

Winged.
Mesonotum with two furrows; lateral ocelli distant from the margin of the eye.
Antenne filiform, the flagellar joints about three times as long as thick.
THORON Haliday.

168 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Mesonotum without furrows: lateral ocelli close to the margin of the eye.
Antenne filiform, moniliform, or submoniliform.
Basal nervure distinct; mandibles bifid.
Head much broader than the thorax; eyes bare; antennie tapering toward
apex; basal abdominal segment as wide as the metathorax.
AcoLus Forster.
Head subquadrate, but slightly broader than the thorax; antennz slightly
thickened toward apex; basal abdominal segment petioliform, much
NALLOWeL vba the MetabNOLak= -— eee ee eee Barus Haliday.
Basal nervure wanting; mandibles tridentate.
Head transverse, scarcely broader than the thorax; eyes hairy; antennze
slightly thickened at tip; basal abdominal segment transverse, not
quite as wide as the apex of metathorax.......ACOLOIDES Howard.

THORON Haliday.

Ent. Mag

Oo”

I, p. 271 (1833); Forst. Hym. Stud., 11, p. 100 (1856).
(Type 7. fornicatus Nees. = T. metallicus Hal.)

Head rather large, transverse, the occiput and cheeks margined;
ocelli 3, triangularly arranged, and wider apart than in Prosacantha;
eyes large, oval.

Antenne inserted close to the clypeus, 12-jointed in both sexes; in @
clavate, the club solid, although showing traces of sutures; in ¢ long,
filiform, the pedicel small, oval, the flagellar joints nearly equal, about
4 times as long as thick, pubescent.

Maxillary palpi 4-jointed; labial palpi 2-jointed.

Mandibles tridentate.

Thorax ovoid, the prothorax visible from above as an arcuate line,
depressed anteriorly; mesonotum with 2 impressed lines; metathorax
very short, rounded at the sides.

Front wings with the submarginal vein joining the costa behind the
middle; the marginal vein very short, thickened; postmarginal vein
not, or scarcely, developed; the stigmal vein longer than marginal, thick-
ened at base, and terminating in_a little knob.

Abdomen oval or oblong-oval, strongly narrowed at base, the first
segment longer than wide, the third the longest.

Legs long, slender, pilose, the femora clavate, the tibix subclavate,
with spurs 1, 1, 1; the tarsi very long and slender.

Thoron pallipes Ashm.
(Pl. xvi, Hig.3, 2.)
Ent. Am., 111, p. 99.

?. Length, 2"". Black, polished; head subquadrate, smooth, the
face convex; mandibles bluntly 3-dentate at tips, pale rufous. Meso-
notum sparsely punctate, with 2 furrows posteriorly; metathorax and
pleura rugose. Antenne 12-jointed, dark brown, the scape and pedi-
cel brownish-yellow. Legs, including cox, pale or yellowish. Abdo-
men oblong-oval, a little longer than the head and thorax together,
attached high up on the metathorax, the first segment petiolitorm,

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 169

_Searcely as long as the second, a little humped basally; first and sec-
ond segments striated; rest of the abdomen smooth, polished, sparsely
hairy teward the apex. Wings hyaline, the venation brown, the mar-
ginal vein very short, thick, the stigmal vein short, stout at base.

Hasrrat.—Jacksonville, Fla.
Type in Coll. Ashmead.

This is the only true Thoron in our fauna, the species described as
such, Thoron opacus How., Ins. Lite, Vol. 1, p. 265, supposed to have
been reared from the Fluted Seale, [cerya purchasi, being a é Teleno-
mid and belonging to the genus Phanurus.

ACOLOIDES Howard.
Ins. Life, 11, p. 269 (1890).
(Type A. saitidis How.)

Head transverse, wide, the frons convex; ocelli 3, triangularly ar-
ranged, but widely separated, the lateral being close to the margin of
the eye; eyes large, oval, hairy.

Antenne inserted just above the clypeus; in 2 apparently but 7- |
jointed, the club being large and inarticulate, the pedicel lengthened,
the last three funiclar joints, small, transverse; in ¢ 12-jointed, fili-
form, submoniliform.

Maxillary palpi 4-jointed; labial palpi 2-jointed.

Mandibles 3-dentate.

Thorax oval, the prothorax not visible from above; mesonotium with-
out furrows; metathorax with the posterior angles subacute.

Front wings with the marginal vein punctiform, the postmarginal
not, or scarcely, developed, the stigmal vein long, oblique. thickened at
base.

Abdomen short, oval, the first and second segments short, usually
striated, the first much narrower than the metathorax or subpetiolate,
the third very large, occupying half, or a little more than half, the whole
surface. :

Legs moderate, the tibial spurs very weak, scarcely developed, the
tarsi 5-jointed, slender, the basal joint of posterior tarsi twice the length
of the second.

This genus may be identical with Acolus Forster, as species occur in
it with and without wings, the apterous species fitting exactly into the
brief diagnosis of the genus by Forster; but as Férster’s type Acolus
piceiventris, so far as I know, was never described, and as I have
discovered another wingless form closely allied to Acoloides, which is
evidently quite distinct, that will also fit into Férster’s brief descrip-
tion, I have here, in my perplexity, made the latter the type of Fors-
ter’s genus, so as to enable me to retain the well-characterized How-
ardian genus. Kirchner’s description of Acolus luteus, which might
assist me, I have not been able to see,

170 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

The difference between the two genera, as here understood, 1s suffi-
ciently brought out in my table, and I must leave to others the thank-
less task, by the inspection of the type, if it is still in existence, of the
proper identification of Férster’s genus.

Mr. Howard’s genus is parasitic on spiders. The species may be
synoptically represented as follows:

TABLE OF SPECIES.

Winilessior sulbapterous SpeCtes) cron. ms 2 oe ela ae = tiie) see te ea 3
Winged.
Species:noteentinely. black. 2c.52 sec 2 = acne sees sa eiels a ean) sae 2

Species, except sometimes the base of the abdomen, entirely black.
Opaque, closely, minutely punctate.
Thorax and scutellum flat.
Antennz and legs, except cox, yellow --....---------. A. saitrpis How.
Lustrous, but still microscopically punctulate.
Thorax and scutellum more convex.
First and second abdominal segments striate.
Petiole pale rufous or yellowish --..-.-.-.-..-.--- A. HOWARDI, sp. nov.
Petiole and base of abdomen yellowish ---.-...... A. EMERTONIL How.
2. Head and thorax black, microscopically punctate.
Abdomen at base and disks of two or three of the following segments, yellow.
A, EMERTONU How.
Abdomen yellow, the third segment across the base and the two apical segments
fuscous | 425222525 S. Seck yee Bote eee ater A. BICOLOR, Sp. Noy.
Wholly honey-yellow, eyes and ocelli, black or brown....A. MELLEUS, sp. Noy.
3. Head and thorax black, subopaque.
With wing scales; abdomen black, sericeous, the petiole yellow.
A. SUBAPTERUS, sp. nov.
Without wing scales; abdomen brownish-yellow . .----- A. SEMINIGER, sp. nov.

Acoloides saitidis How.
Ins. Life, 11, p. 270, fig. 58; loc. cit., p. 359.

“o, Length, 1.4°"; expanse, 3.6™,; greatest width of fore wing,
0.46", Antenne short; pedicel long, nearly one-half the length of
scape; joint 1 of funicle one-half as long as pedicel; joints 2, 3, and 4
very short; club very large, oval, and one-third longer than four preced-
ing joints together; no articulations can be distinguished, but it is homo-
logically composed of six joints. Eyes hairy; lateral ocelli touching
the eye margin. Head, face, and mesonotum densely and finely pune-
tate; parapsidal furrows not present; first and second abdominal seg-
ments with fine, close, longitudinal strize, wanting at smooth posterior
border; the very large third segment and short fourth, densely and
finely punctate, and clothed irregularly with short, whitish pile, which
is also present, although sparser, upon the mesonotum, and is quite
thick on the vertex; mesopleura finely punctate below; metapleura
smooth. The marginal vein is very short, and not quite coincident
with costa; the post marginal is extremely short; the stigmal is long
and slender, and terminated by a small rounded knob. General color

Sat to Sie A et

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID®. 171

deep black; all legs and antenne honey-yellow; all cox black, litter
at tips; scape brownish and pedicel darker than club.

“4. Differs from female only in antennie, which are plainly 12-
jointéd; joint 1 of funicle as long as pedicel, joints 2 to 7 subequal in
length and width, and each as broad as long, and well separated; club
oval, nearly as long as three preceding joints together. Antenne uni-
formly honey-yellow.” (Howard.)

HasitratT.—Lincoln, Nebr., and Oxford, Ind.

Types, 9 and 12in National Museum.

The types of this species, as recorded by Mr. Howard, were reared
by Mr. L. Bruner, at Lincoln, Nebr., from the eggs of the Araneid
Saitis pulex. “The eggs of this spider are a little more than a milli-
meter in circumference, and each egg harbors but one parasite, which
issues by splitting the eggs open rather than by gnawing a regular
hole.” The same species was also bred by Mr. F. M. Webster, at Ox-
ford, Ind., from a spider egg-sac found under the bark of a log, in
October, 1884.

Acoloides Howardii, sp. nov.

2. Length,1~™™. Black, shining, with a microscopic white pile,
and feebly microscopically punctate; petiole and legs, brownish-yellow,
the coxe black. Antenne 7-jointed, brown, the pedicel large, the first
funiclar joint very little longer than thick, scarcely one-third the length
of the pedicel, the three following joints transverse, the last the widest,
club large, not jointed. Scutellum semicircular, subconvex. Meso-
pleura with a long, femoral furrow, crenate at bottom. Metapleura
divided into two parts by the spiracular furrow, the upper portion
smooth, impunctate, the lower portion punctate. Wings subhyaline,
the nervures brown, the stigmal vein long, thickened at base. Abdo-
men broadly oval, shining, but microscopically punctate, and finely
pubescent, the first segment twice wider than long, striated and yel-
low; the second and following segments black, the second with striwe
at base.

HaABiratT.—Washington, D.C.

Types in Coll. Ashmead.

Described from two specimens.

This species is closely allied to A. saitidis How., but it is slightly
smaller, and not so densely punctate, the scutellum shorter, subconvex,
the petiole yellow, while the first flagellar joint is scarcely one-third
the length of the pedicel.

Acoloides Emertonii How.
Ins. Life, Iv, p. 202.

9. Length, 1.4™; expanse, 1.5™™. Black, shining, but closely microscopically
punctulate; antenne brown-black, the scape pale at extreme base; legs, including
coxe, brownish-yellow; abdomen mostly yellow, the second segment, lateral and

Vie BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

apical margins of third, and the following segments, fuscous or black. Head very
wide, more than three times as wide as thick antero-posteriorly; eyes large, rounded,
whitish (after death) and pubescent; mandibles pale rufous, the tips black. An-
tennal club large, fusiform, as long as the pedicel and funicle united; first funicle
joint less than half the length of the pedicel, the other joints transverse. Thorax
convex, with two punctate lines in front of the seutellum, the latter semicircular,
convex; metanotum very short, striated, bounded by a carina posteriorly, the angles
produced into a minute tooth, Wings subhyaline, pubescent, extending beyond tip of
abdomen, the venation dark brown, the marginal vein short, stout, very little longer

than thick, the stigmal long, slender, ending in a small knob. Abdomen oblong-

oval, one-third longer than the head and thorax together, microscopically sculptured,
but lustrous, the first and second segments about equal in length, striated. ( Howard.)
HABITAT.—Massachusetts.
Type in National Museum.

Described from seven 2 specimens, reared by Mr. J. H. Emerton,
from a spider’s cocoon.

Acoloides bicolor, sp. noy.

2. Length, 0.8"™. Black, shining, sparsely, faintly microscopically
punctate and pubescent; the abdomen, antennie, and legs, yellow, the
third abdominal segment across the base, two apical segments and the
femora slightly fuscous or brownish; eyes large, rounded, whitish. An-
tenn 7-jointed, very short; the club large, conic-ovate, as long as the
pedicel and funicle together; the first faniclar joint not longer than
thick, about one-fourth the length of the pedicel, the three following
joints minute, transverse. Wings hyaline, with a faint yellowish tinge,
the nervures dark brown, the stigmal vein thickened at base. Abdo-
men rotund, the petiole short, striated, rest of the segments smooth,
shining.

HABITAT.—Ottawa, Canada.

Type in Coll. Ashmead.

Described from two specimens received from Mr. W. Hague Har-
rington. This species is much smaller than the others, the surface
smoother, less distinetly punctate, and the abdomen more rotund;
while the color of the eyes and abdomen, and the shortness and relative
length of the joints of the antenne, render it easy of recognition.

Acoloides melleus, sp. nov.

@. Length, 1.4™™. Uniformly honey-yellow, the eyes and ocelli
brown, the wings subfuliginous. The head is very large and wide, the
lower part of face being longitudinally striated. Antenne short, 7-
jointed, the club large fusiform, inarticulated; the first funiclar joint
is twice as long as thick and fully half as long as the pedicel; the
second and third are as long as wide; the fourth, transverse.

Abdomen oval, the first segment and the second, at the suture,
striated, the following segments feebly, microscopically puictate.

HABITAT.—Arlington, Va.

Type in Coll, Ashmead.

Aso

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDE. 173

Described from a single specimen.

In color, size, width of head, non-pubescent eyes, and the relative
length of the antennal joints, this species is very distinct from any
other species in our fauna.

Acoloides subapterus, sp. noy.

@. Length, 0.8"". Head and thorax black, minutely punctulate;
ablomen fuscous or dark brown, the petiole yellow; antennwe and legs
brownish-yellow, the club fuscous.

Antenne 7-jointed; the club large, inarticulate, as long as the pedi-
cel and funicle united; pedicel stout, 24 times as long as thick, fuscous
above; first fiiniclar joint very little longer than thick; second and
following joints scarcely as long as thick. Thorax with slight indica-
tion of parapsidal furrows posteriorly in the form of two very short
grooved lines. Wings present in the form of wing pads which do not
extend beyond the tip of the short metathorax.

Abdomen oblong-oval, much longer than the head and thorax to-
gether, shining, sericeous; the petiole yellow and separated from the
second segment by a constriction; the petiole and second segment are
of an equal length, but the latter is fully twice as wide as the former;
third segment nearly thrice as long as the second.

HABITAT.—Ottawa, Canada.

Type ? in Coll. Ashmead.

Deseribed from a single specimen received from Mr. W. H. Harring-
ton.

Acoloides seminiger, sp. nov.

?. Length, 0.8". Head and thorax black, closely finely punctate,
with a sparse, sericeous pubescence; abdomen and legs, brownish yel-
low, pubescent.

Antenne 7-jointed, yellowish, the club very large, inarticulate, fus-
cous, pedicel stout, very litthke more than twice as long as thick; first
funiclar joint scarcely longer than thick; second and third, not longer
than thick; fourth, transverse. Thorax with slight indications of
grooves posteriorly. Metathorax with subacute angles. Abdomen
oblong-oval, a little longer than the head and thorax together, the
second segment slightly longer than the petiole, the suture between,
striate, the thirdasegment 25 times as long as the second.

HABITAT.—Ottawa, Canada.

Types in Coll. Ashmead.

Described from two specimens received from W. Hague Harrington.
This species comes very close to A. subapterus, but the abdomen is yel-
low, the relative length of the segments is different, and there are no
wing pads,

174 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

ACOLUS Forster.
Hym. Stud., 11, pp. 100 and 102 (1856).
(Type A. piceiventris Foérst. MS.)

Head large, transverse, the frons very convex, the face with an im-
pression just above the antenne, the occiput concave, emarginated, and
faintly margined; ocelli 3, very minute, the lateral close to the margin
of the eye, but scarcely discernible; eyes large, oval, bare, or hairy.

Antenne inserted just above the clypeus, in 2 7-jointed, clavate, the
club large, inarticulated, the pedicel stout, the first funiclar joint a lit-
tle longer than thick, the three following joints small; in ¢ 12-jointed,
filiform, pilose.

Maxillary palpi 5-jointed; labial palpi (?) 2-jointed.

Mandibles bifid.

Thorax subovoid, not wider than long, and narrower than the head;
pronotum not visible from above; mesonotum transverse without fur-
rows; scutellum semicircular; metathorax extremely short, abrupt.

Wings in 2 wanting; in ¢ present, the front wings with a basal nery-
ure, a short marginal and short stigmal nervure; the latter clavate.

Abdomen broadly oval, sessile, the first segment the width of the
metathorax and only visible as a transverse line, the second about one-
third the length of the third, which is the largest, the following seg-
ments short.

Legs as in Baus, the basal joint of hind tarsi one-third longer than
the second, the tibial spurs weak.

Differs from Acoloides Howard, in the concave emarginated occiput,
in the deep facial impression, bare eyes, 3-jointed maxillary palpi, and
in the broadly oval sessile abdomen, the base being as wide as the
metathorax, the first segment-visible only as a transverse line.

Acolus xanthogaster, s). nov.

2. Length, 0.75". Head and thorax black, shining, faintly micro-
scopically punctate; antenne, abdomen, and legs, yellow. Head a lit-
tle more than twice as wide as thick antero-posteriorly, the frons con-
vex, the face with an antennal impression, the eyes large, rounded,
bare. Antenne with an unjointed club; the pedicel longer than the
first funiclar joint; first and second funiclar joints about equal, longer
than thick; third and fourth, minute. Abdomen oval, sessile, the first
segment only visible as a transverse line, the second about two-thirds
the length of the third.

Haprrat.—District of Columbia.

Type in Coll. Ashmead.

Described from a single specimen collected by Mr, E, A, Schwarz,
June 29, 1891,

ve a

Ai i ee OE

aa aaa a a i re i a ee A wate) Bik i

en,

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 175

Acolus Zabriskiei, sp. nov.
Gel rxavedE ois he)

é. Length, 1™™. Black, polished, finely sericeous; mandibles red-
dish; scape honey-yellow; flagellum pale brown; legs, including cox,
reddish-yellow. Head very large and broad, a little more than three
times as wide as thick antero-posteriorly, and much wider than the
thorax, the space between the eyes alone fully as wide as the thorax;
occiput concave, with the superior margin sharp; eyes broadly oval,
convex, bare; ocelli triangularly arranged, the laterals situated in the
posterior angle of the vertex, close to the eye. Antenne 12-jointed,
filiform; the scape clavate, about one-third as long as the flagellum;
pedicel cyathiform, longer than any of the funiclar joints; funiclar joints
all short, scarcely, if at all, longer than thick, pubescent. Thorax short,
ovate, rounded before, narrowed and truncate behind, the collar not
visible from above; mesonotum a little broader than long, without fur-
rows; scutellum convexly elevated posteriorly, margined, or with a deli-
cate rim, laterally; metathorax short, with short striz above. Wings
hyaline, rah long cilia, a basal nervure, a short marginal and a short
stigmal vein ending in a small rounded stigma, the stigmal vein thick-
ened at base.

Abdomen oval, narrowed and truneate at base, rounded and broad-
ened posteriorly, the first two segments transversely linear, the third
very large, occupying most of its surface, the fourth about as long as
the first two united, the following exceedingly aoe scarcely visible,
except as transverse lines.

HABITAT.—Flatbush, Long Island.

Types, two ¢ specimens, in National Museum.

Bred October 4, 1892, by Rev. J. L. Zabriskie, from the nest of an
unknown spider.

CEBRATOBAUS Ashm.. gen. nov.
(Type C. cornutus Ashm.)

Head very large and broad, much broader than the thorax, the oc-
ciput margined; ocelli 3 in a triangle, wide apart, the lateral touching
the eye; eyes broadly oval.

Antenne inserted at the base of the clypeus, in ? short, clavate,
7-jointed, the club very large, inarticulate; ¢ unknown.

Maxillary palpi (?) 3-jointed; labial palpi 2-jointed.

Mandibles bifid.

Thorax oval, the prothorax not visible from above; mesonotucn with-
out furrows, or with but a slight trace of them posteriorly; scutellum
semicircular; metathorax very short, abrupt.

Front wings, when present, with a distinet but short marginal vein,
an oblique stigmal, and no post marginal, the stigmal vein terminat-
ing ina slight knob.

Abdomen oval, or pointed-ovate, depressed, subsessile, composed of

176 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

6 or 7 visible tergites, the third the largest, the first, furnished with a
horn at base extending over the metathorax. .

Legs as in Acolus.

Male unknown. Allied to Baus, Acolus, and Acoloides, but readily
separated by the projecting horn at the base of the abdomen, as in
Baryconus, Caloteleia, ete.

The two species known to me may be thus tabulated:

TABLE OF SPECIES.
Wingless: 723-2223 Se tis. aceite eae Wadeerc eee nee eee tee eee 2
Winged.
Black, finely, closely punctulate; legs and antenniw, yellow.
Abdomen pointed ovate, longer than the head and the thorax together ..---.

C. CORNUTUS, 8). nov.
2. Head and thorax black, finely, closely punctulate.

Abdomen, legs, and antenne bright yellow, the former with two fuscous spots
toward base:.2. 2. tose eee eee eee C, BINOTATUS, Sp. nov.

Ceratobaeus cornutus §})). noy.
(Pl. vi, Fig. 8, 9.)

2. Length,1.5"™. Black, finely, closely punctulate; the head with
some faint, thimble-like punctures; antenne and legs, yellow. Head
about 54 times as wide as thick antero-posteriorly ; the lower part of face
smooth, shining, with a slight grooved line from front ocellus, the rest
of the head closely punctulate. Antenne 7-jointed, the club inarticu-
late; the first funiclar joint is half the length of the pedicel, or twice
as long as thick; the three following, transverse. The thorax exhibits
two very short grooved lines posteriorly, just in front of the scutellum,
that are evidently the beginning of the parapsidal furrows. Meso-
pleura with a crenulate femoral furrow. Metapleura punctate, di-
vided into two parts by a fovea and a grooved line. Wings subhyaline,
the nervures brown; the marginal vein is about half the length of the
stigmal. Abdomen pointed-ovate, depressed, longer than the head
and thorax together, minutely punctate, with a microscopic pubes-
cence; the horn on the first segment reaches to the apex of the scutel-
lum and is wholly longitudinally striated; the second segment is much
wider but no longer than the first; the third segment is the longest
and widest, being 24 times as long as the second; the fourth, is about
half the length of the second; the fifth still shorter; the sixth, very
short, scarcely discernible; the seventh, pointed or conical, and longer
than the fourth.

HABITAT.—Washington, D.C.

Type in Coll, Ashmead.

Described from a single specimen taken by Mr. EK, A. Schwarz.
Ceratobaeus binotatus s)). noy.

?. Length, ase". Tead and thorax black, closely, minutely pune-
t‘late; antemme, legs, and abdomen bright yellow, the latter with two

ee ee eee ee ee ae ee ee ee

Le >see hee Sy et

MONOGRAPH OF TRE NORTH AMERICAN PROCTOTRYPIDA. 177

fuscous spots at base of second segment, but toward the lateral corners.
Head very wide and thick antero-posteriorly. Eyes large, rounded,
coarsely faceted. Antenne 7-jointed, the club very large, inarticulated,
and longer than the pedicel and funicle together; first funiclar joint
scarcely longer than thick, the other three exceedingly short, transverse.
Thorax entirely without trace of furrows. Wings entirely wanting.
Abdomen oval, not longer than the head and thorax together, faintly,
microscopically punctate and shining; the first segment with a horn-
like prominence, striated posteriorly; the second segment is a little
longer than the first; the third, as long as the first and second together ;
the following segments short.

Haprrat.—Washington, D. C.

Type in Coll. Ashmead.

Described from 3 specimens, taken by Mr. E. A. Schwarz and myself.

This wingless species, but for the horn-like structure at base of ab-
domen, could easily be mistaken for an Acolus.

BAUS Haliday.
Ent. Mag., 1, p. 270 @.

Hyperbeus Forster Hym. Stud., 1, p. 144, 1856.
- Trichasius Prov. Add. et Corr., p. 209, 1887.

Head very large, transverse, about twice as wide as the thorax, the
frons broad, convex; ocelli 3, triangularly arranged but widely sepa-
rated, the lateral being close to the margin of the eye; eyes very large,
oval.

Antenne inserted close to the elypeus; in @ 7-jointed, clavate, the
club large, inarticulate; in ¢ 12-jointed, subclavate, the funiclar joints
after the second scarcely longer than wide, very slightly widened toward
tips.

Maxillary palpi 2-jointed.

Thorax scarcely as long as wide, the pronotum not visible from above,
the seutellum in 2 not differentiated, while the metathorax 1s extremely
short; in the ¢ the seutellum is distinct, semicircular, subconvex.

Wings in the ¢ with a distinct basal nervure, a short marginal, a
long knobbed stigmal nervure and no post marginal; the ? always
apterous.

Abdomen in 2 oval, sessile, convex above, flat beneath, the third
segment occupying nearly the whole surface, the first and second seg-
ments being visible only as transverse lines or wrinkles; in ¢ smaller,
rounded and more flattened, the first and second segments very short,
transverse, the third the largest segment.

Legs rather long, the femora clavate, the tibial spurs weak, the tarsi
5-jointed, the hind tarsi not longer than their femora, the basal joint
being one-third longer than the second.

The absence of a scutellum readily distinguishes the females of this
genus. The male was unknown to Haliday and Forster and is here

21899—No. 45

%)
“

178 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

described for the first time. A single é specimen (together with several
females) was reared from spider eggs in an orange-colored cocoon by
Mr. J. H. Emerton, in 1871, and is now in the Departinent of Agricul-
ture. This single specimen has enabled me to perfect the diagnosis
of the genus. It bears a close resemblance to the male in the genus
Acoloides, but differs in having subclavate antenne, a little longer
inarginal vein, longer stigmal vein, and a distinct basal nervure.

The habits of the genus were unknown to the European authorities,
and we are indebted to an American, Mr. L. O. Howard, for first making
us acquainted with them in this country. All that have been reared
are from spider eggs.

The species known to me may be tabulated as follows:

TABLE OF SPECIES.
Body motiembireliy, Wyle kee era eee 2.

Body entirely black. :
Head and thorax faintly microscopically punetulate; abdomen smooth, shining.

Hersiand! antennie, fU8COUS- sae. as an ee ee B. MINUTUS, sp. nov.
Legs, scape and funicle, brownish-yellow ......--..---.--- B. NIGER, sp. nov.

2. Head black.
Thorax and abdomen fuscous or piceous; legs and antenne, brownish-yellow, the
*

scape and pedicel at base, fuscous ...-......-... B, PICEUS, sp. nov.

Thorax and abdomen brownish-yellow; legs and antennze yellow, the elub
black: 2552.55 ch555- Bees eC ae eee eee eee B. CLAVATUS, Prov.

Wholly dark jhomey—velllo wrest shes eats ee tert B. AMERICANUS, How.

Beus minutus, s). nov.

2. Length, 0.5". Black, shining, faintly microscopically punctu-
late, with a microscopic sericeous pubescence; antenne and legs fus-
cous, or dark brown, the tarsi paler. Antenne 7-jointed, very short,
the club large, pointed-ovate; pedicel large, pale at tip; first funiclar
joint seareely longer than thick; the remaining joints of funicle very
minute, transverse. Abdomen broadly oval, convex, shining, impune-
tate, wider than the head and as long as the head and thorax united.

HaAsBiTatr.—Ottawa, Canada.

Types in Coll. Ashmead. :

Described from 2 2 specimens received from W. Hague Harrington.
Beus niger, sp. nov.

2. Length, 0.7", Black, shining, with a fine sericeous pubes-
cence; head impunctate; eyes very large, nearly round, occupying the
whole side of the head, pubescent; thorax not longer than the length
of the head, microscopically punctate. Antenne very short, the scape
and funicle pale rufous or brownish-yellow, the club large, black. Legs
brownish-yellow, the tibize with a slight dusky streak at the middle,

i

ik a) i i TO et tet, Bt ee, Eee, Rn BN) eee me | 4

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 179

Abdomen long-oval, twice as long as the head and thorax together, the
widest part as broad as the head.

Hapirat.—Washington, D. C.

Type in National Museum.

Described from a single specimen, taken September 21, 1854,
Beeus piceus, sp. noy.

2. Length 0.6"™. Brownish-piceous, smooth, shining, impunctured ;
antenne and legs brownish-yellow, the scape and pedicel above fuscous,
pale at tips; the three last funicle joints very minute transverse, the
first not longer than thick, less than one-third the length of the pedicel.
Abdomen oval, convex, polished and shining, a little longer than the
head and thorax together.

HABITAT.—Ottawa, Canada.

Type in Coll. Ashmead.

Described from a single specimen received from W, Hague Har-
rington.

Beus clavatus Prov.

Trichasius clavatus Proy., Add. et Corr., p. 209.
Beus clavatus Hargtn., Ins. Life, 11, p. 359.

®. Length 0.05 inch. Of a uniform reddish-brown, with the legs yellow. The
elub of the antenne black. Thorax densely punctured, metathorax rugose. Legs
pale yellow, the tarsi with the last joint brown. Abdomen browner than the rest,
polished but not metallic. (Translated from Provancher.)

HABITAT.—Ottawa, Canada.
Type in Coll. Harrington.

Beus americanus How.
(Ble win Rios 9 h0",))
Ins: Life; 11, p. 200) Wie. 59:

-9. Length 0.65", Length of antennal club 0.185™™, or in other words the en-
tire body is only 3} times as long as the antennal club. Width of antennal club
0.082™™, General color dark honey-yellow; scape and funicle of antenne brownish,
club lighter, dark at tip; vertex and face light honey-yellow; dorsum of thorax and
abdomen dark honey-yellow, almost approaching mahogany; legs throughout con-
colorous with the head; middle and hind tibize a little darker near base. Surface
of abdomen smooth, shiny; mesonotum very faintly punctate. Thorax and abdo-
men with extremely fine, sparse, whitish pile; tip of abdomen with a short and con-
tracted fringe of white pile. Antennal club very large, longer than rest of funicle
and pedicel together; funicle joints very narrow and short, subequal; pedicel wider
_and as long as entire funicle, except club. (Howard.)

6. Length 0.8"", Dark honey-yellow ; the head piceous, with a
median carina anteriorly ; antennie and legs pale yellowish ; abdomei
Small, rounded, fuscous, the basal segment short, transverse, striate.
Wings hyaline, fringed, the venation pale brown, the basal neryure

180 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

distinct, the marginal nervure short, about twice as long as thick, the
post-marginal nervure wanting, the stigmal long, oblique.

HABiItat.—Brooklyn, New York.

Types in National Museum.

This species, as we are informed by Mr. Howard, was reared by Col.
Nicholas Pike from spider eggs in an orange cocoon belonging to the
family EHpeiride.

The male, here described, was reared by Mr. J. H. Emerton, in 1871,
together with several females, from an orange-colored spider’s cocoon.

Tribe III.— TELEASINI.

An extensive tribe with few genera, but numerous in species, distin-
guished by the antennie being inserted close together on a clypeal
prominence ; by the venation, the postmarginal vein never being devel-
oped, the marginal vein always greatly lengthened, and the stigmal
vein always minute, scarcely developed ; by the abdomen always being
distinctly carinated along the sides, with the third segment the long-
est; and by the weak tibial spurs.

Under this tribe six genera are brought together, Teleas, Prosacan-
tha, and allied genera.

Except in a single instance, the rearing-of Prosacantha caraborum,
by Dr. Riley, from the eggs of a beetle, Chlanius impunctifrons, noth-
ing positively is known of the parasitism of the group. It is possible
they confine their attacks to Coleopterous eggs, although Prosacantha
basalis Forster is recorded as having been reared from Dipterous lar-
vee. Since this record is totally at variance with the habits of the
whole subfamily Scelionine, | question its accuracy, as I believe the
whole group are egg parasites.

The genera may be tabulated as follows :

TABLE OF GENERA.
FEMALES.

Abdomen broadly oval, the first segment wider than long........-..----------- 3
Abdomen long-oval, or long ovate, the first segment petioliform (longer than wide).
First abdominal segment bearing a horn; postscutellum with three spines.
PENTACANTHA Ashin.
First abdominal segment without a horn.

Mesonotum: without furrows. 2-.o--s-2oa-5 ---- o-oo eee eee 2
Mesonotum with 2 furrows.
Metascutellum) wathsd spines’ =-2=-— 25. eee = eee TRISSACANTHA Ashm.
Metascutellum with i spine-.o- sss ee eens peo eee XENOMERUS Walk.
2. Postseutellum with a single large spine, mandibles bifid, the outer tooth the
longer. :

Posterior femora, tibise, and tarsi slender; tibial spurs weak .PROSACANTHA Nees,
Posterior femora swollen, tibiwe dilated at apex, the basak tarsal joint short,
ssout; tibial spurs not weal! - 2. --2< ee. see see one TELEAS Latr.

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDEH. 181

38. Winged; mandibles bifid, the teeth equal.

Metascutellum with a spine, or tuberculate. ..-- HOPLOGRYON Ashin., gen. nov.
Metascitel lmmmsimples== emo oe 2-15 slo wisiceicla ele isicin's Seca none GRYON Haliday.
Apterous.
Metascutellum with a small spine or tubercle. ............-.-.(HOPLOGRYON).
Metascutellum without aspine, simple.-.... 2.2... c-cce. cece cece wees (GRYON).
MALES.
Abdomen broadly oval, the first segment wider than long...........--.-..---- 3
Abdomen long-oval, the first segment petioliform; the marginal vein very long.
Mesonotum without furrows; postseutellum spined....................-.---- 2

Mesonotum with 2 distinct furrows; posterior angles of metathorax usually
spined or toothed.
Metaseutellum with 3 spines; antennie very long, filiform, pubescent.
TRISSACANTHA Ashm.
Metascutellum with 1 spine; antennwe with whorls of hair.
XENOMERUS Walk.
2. Antenne long, filiform, the flagellar joints at least four times as long as thick, the
third joint excised at base or angulated; posterior femora not
swollen, the tibial spurs not developed, the basal tarsal joint long,
BLOM C Cliers see a earstee Aet ees art ces ers cio sis S PROSACANTHA Nees.
Antenne filiform, the flagellar joints usually less than thrice as long as thick;
posterior femora swollen, the tibial spurs developed, the basal
HOmMuSh ObtShOUbetesa sree eee cise ria see Sas TELEAS Latreille.
3. Marginal vein long, at least four or five times as loug as the stigmal.
Metascutellum with a small spine or tubercle; antenne filiform, the flagellar

oimis eclomonte nao. eas ase cerca se HopLoGRYON Ashin., gen. nov.
Metascutelliun without a spine, simple; antenn:e filiform, the flagellar joints
BCaARcclyslonGersulh ani hl Ckosen see seer eee .----GRYON Haliday.

PENTACANTHA Ashm.
Can. Ent., xx, p. 51 (1888).

Type, P. canadensis Ashm).
YI

Head transverse, the occiput straight, not emarginate, with a delicate
margin extending on the cheeks, which are flattened; ocelli 5, in a tri-
angle; eyes long-oval, hairy.

Antenne inserted at the base of the clypeus, 12-jointed in both sexes,
in the ? clavate, the club 6-jointed, the first funiclar joint twice as long
as the pedicel.

Maxillary palpi very short, 3-jointed.

Mandibles bidentate at apex, sinuate, and with a lobe at base within.

Thorax ovoid, the prothorax not visible from above; mesonotum
wider than long, the scapule not separated; scutellum semicireular,
rugose; postscutellum with 3 erect, conic teeth; metathorax very short,
with prominent acute posterior angles that are connected with a carina.

Front wings as in Prosacantha,

Abdomen oblong-oval, narrowed at base, attached to metathorax far
above the hind cox, and composed of six visible dorsal segments, the
basal segment having a short, smooth, blunt horn, partly prolonged
over the metathorax, the third segment the longest.

182 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Legs rather long, slender, pilose, the tibiwe clavate, their spurs weak,
the tarsi much longer than the tibiw, slender, the claws simple.

Closely allied to Prosacantha, but readily distinguished by the post-
seutellum being armed with 3 spines, and the first abdominal seg-
ment bearing a horn, as in Caloteleia Westwood, in the tribe Scelionini.
The male is unknown.

Pentacantha canadensis Ashm.
(Pl. van; Pie 19:5)
loc. cit. p. 51.

?. Length,2™™. Black; thorax and scutellum coarsely shagreened,
opaque; the head smooth, shining, with some grooved lines back of
the eyes and on the occiput, the vertex rather acute. Antenne 12-
jointed, brown, the first funiclar joint twice as long as the pedicel, the
second one-third shorter than the first, the third about as long as wide,
the fourth wider than long; club 6-jointed. Thorax a little wider
than long, without furrows, the postscutellum with 3 erect spines, the
lateral posterior angles of the metathorax acutely spined. Legs, in-
cluding anterior coxie, honey-yellow or brownish-yellow; middle of the
femora and tibiwe and the posterior cox, dark brown or fuscous. Ab-
domen polished black, the third segment the longest and widest, the
first with a horn at base, this as well as the second and the third, except-
ing on its disk, longitudinally striated. Wings subhyaline, the vena-
tion rufo-piceous.

HABITAT.—Ottawa, Canada, and Kansas.

Type, ? in Coll. Ashmead.

The type was described from a single specimen received from W. H.
Harrington, but I have since seen a specimen in Prof. Popenoe’s col-
lection, taken in Riley County, Kans.

TRISSACANTHA Ashi.
Ent. Am., 111, p. 101 (1887).
(Type, T. americana Ashi.)

Head transverse, the occiput almost straight, margined; ocelli 5,
close together in a triangle; eyes oval.

Antenne inserted on a clypeal prominence, i2-jointed, in ¢ very long,
filiform, cylindrical, the scape extending to the ocelli, the pedicel very
small, annular, the third funiclar joint bent and angulated at the
middle.

Maxillary palpi 5-jointed.

Mandibles bidentate at tips, the teeth equal.

Thorax ovoid, the prothorax slightly visible from above, the mesono-
tum smooth, wider than long, with two delicate but distinet furrows,
seutellum semicircular, convex, metascutellum armed with 35 erect
spines, metathorax short, the pleura more or less covered with a gray-
ish woolly pubescence, the angles acute.

ee ee ee ee

se te) See aa ite he os Mn mi i i

+ & Seti arh. Sewer we

$24

Thal. Cage

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDE. 183

Front wings pubescent, ciliated, the cilia on hind margin very long,
the marginal vein linear, about five times as long as the short stigmal,
the postmarginal wanting.

Abdomen long-oval, depressed, sparsely pilose, the first segment
longer than wide, fluted, the third the largest; the first three segments
ave longitudinally striated.

Legs rather long, slender, pilose, the tibial spurs minute, the tarsi
slender but spinulose.

This genus, known only in the male sex, is distinguished from Prosa-
cantha by the 3-spined postscutellum, and in having distinet meso-
notal furrows; from Venomerus, which also has mesonotal furrows, it
is separated by the postscutellum and the filiform antennee.

It may be the opposite sex of Pentacantha, agreeing with it in its
postscutellar character, but the mesonotum has tivo distinct furrows, and
as I know of no genus in the Proctotrypide having the mesonotum
grooved in one sex and plain in the opposite, I believe it to be dis-
tinct. This character, used in the table of the males, is therefore
repeated in the generic table of the females.

Only two species are known to me, which may be separated as follows:
Black; legs rufous, coxie black.

SeuKouuMesmnoobh, olished!: 5-5. 2se5---<2e cee s+ cece maces T. AMERICANA Ashm.

MUO U MMU COSC aNceciere cic, Se ele le ae cee sees Coe ce! seis T. RUGOSA, sp. nov.

Trissacantha americana Ashm.

(GEIE vai aos 2a)

Slr 7)

Ent. Am., 111, p. 117; Cress. Syn. Hym., p. 313.

$. Length, 2.5". Polished black, pubescent; head and occiput
with some strive; mandibles piceous; legs rufous, the cox black.
Antenne 12-jointed, filiform, black, longer than the body, the scape
not much longer than the first flagellar joint, the pedicel annular, the
flagellar joints all long, cylindrical, the first about five times as long
as thick, the second shorter, the third angulated at the middle and
slightly excised at base. Mesonotum with two distinct furrows; seu-
tellum semicircular, smooth, polished; postscutellum with three erect
spines, the middle the longest. Abdomen longer than the head and
thorax together, longitudinally striated. Wings fusco-hyaline, pu-
bescent.

Hasrrat.—Florida, District of Columbia and Virginia.

Type in Coll. Ashmead; specimens in National Museum.

This species was originally described from a specimen taken by
myself in Florida, but I have since seen specimens taken in Virginia

* >
and District of Columbia.

.
Trissacantha rugosa, sp. nov.

é. Length, 2.5"", Black, shining, pubescent; head above, collar

and scutellum rugoso-punctate, the mesonotum smoother, the face near

184 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

the eyes, striated. Antenne 12-jointed, brown-black, longer than the
body. Mesonotum smooth, shining, with two furrows and a few scat-
tered punctures; middle spines of postscutellum twice as long and
much stouter than the lateral spines, curved and rather blunt at apex;
metathorax with prominent angles. Abdomen black, shining, striated.
Wings hyaline, pubescent, the marginal vein six times as long as the
short stigmal. Legs rufous, the coxie black.

Hapsirat.—Arlington, Va.

Type in Coll. Ashmead.

Described from a single specimen, which is readily distinguished
from 7. americana by the rugosity of the vertex, collar, and scutellum.

XENOMERUS Walker.
Ent. Mag., 111, p. 355 (1836).
(Type X. ergenna Walk., g 5; Teleas medon Walk., 2.)
CPE Villie, ao NS cies)

Head large, transverse, broader than the thorax, the occiput slightly
emarginated, with a delicate margin; ocelli three in a triangle, the
lateral away from the margin of the eye; eyes rounded, pubescent.

Antenne 12-jointed in both sexes, inserted on the clypeus, in 2
terminating in a 5- or 6- jointed club, in ¢ pedicellate-nodose, with whorls
of long hairs.

Maxillary palpi 3-jointed.

Mandibles bidentate. ‘

Front wings as in Teleas, with a long marginal vein and a_ short
stigmal.

Abdomen broadly oval, the first and second segments short, the first
about twice as wide as long, both striated, the third segment large,
the following very short.

Legs long, slender, pubescent; the tibial spurs weak, the tarsi long.
slender; the basal joint of the hind tarsi more than twice as long as
the second; claws simple.

The genus is readily distinguished in the male sex by the verticillate
antenne, and in the female from Teleas, Prosacantha, and allied genera
by having distinct mesonotal furrows; from Trissacantha, which also
has mesonotal furrows, it is distinguished by having a single post-
scutellar spine.

Xenomerus pallidipes, sp. nov.

?. Length, 14". Polished black, shining, sparsely pubescent;
head transverse, with the eyes slightly wider than the thorax, the lat-
ter slightly pubescent.

Antenne 12-jointed, clavate, the club 6-jointed, the scape pale brown,
the flagellum black; the pedicel is shorter than the first funiclar joint;
the first and second funiclar joints longer than thick, the third and
fourth small, transverse; club joints, except the last, transverse.

eg te ot hare arn, ts hliemae ahi Als tally ie intel ees heer bp

7
:
’

_—

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDE. 185

Thorax with two impressed lines subobsolete posteriorly ; seutellum con-
vex, Separated from the mesonotum by a transverse lne; metascutel-
lum armed with a small acute tooth. Wings hyaline, ciliated. Legs
pale brownish-yellow, the coxre dusky basally. Abdomen longer than
the head and thorax together, narrowed basally into a petiole and in-
serted far up on the metathorax behind the postscutellum, black and
polished.

HABITAT.—Arlington, Va.

Type in Coll. Ashmead.

Described from a single specimen.

The insect described by me, in the beginning of my studies on this
family, under the name XY. rubicola.is a ¢ Pteromalid belonging to a
genus unknown to me.

PROSACANTHA Nees.
Mon., ul, p. 294 (1834); Forster. Hym. Stud., 1, p. 103 (1856).
(P. longicornis Nees. )

Head transverse, the occiput slightly emarginated and delicately
margined; ocelli 5, in a triangle, rather close together, the lateral
very distant from the margin of the eye; eyes oval, pubescent.

Antenne inserted on a clypeal prominence, 12-jointed, in @ termina-
ting in a long, fusiform, 6-jointed club; the funiclar joints thicker than
the pedicel, the first two joints longer than wide; in ¢ long, filiform,
the joints long, cylindrical, the third angulated or emarginated from
near the middle towards the base.

Maxillary palpi 3-jointed.

Mandibles curved, bidentate at tips, the teeth in the left mandible
equal, in the right with the outer tooth the longer.

Thorax ovoid, the prothorax scarcely visible from above, narrowed
into a slight neck anteriorly; mesonotum broader than long, without
furrows, seldom occasionally with indications of furrows posteriorly.
Seutellum large, semicircular, subconvex; metathorax armed with a
large sharp spine or thorn; metathorax very short, the posterior angles
usually acute or spined.

Front wings pubescent, ciliated, with a very long marginal vein that
ends at two-thirds the length of the wing and is 6 or 7 times longer
than the short stigmal vein, the postmarginal never developed.

Abdomen long-oval, depressed, Jonger than the head and thorax
together, inserted high up on the metathorax, the first segment petio-
liform, much longer than wide, fluted or striated, the third segment
always large and occupying more than half the rest of the abdomen,
either smooth or striated, the following segments very short.

Legs long, slender, pubescent; the femora not especially thick; the
tibial spurs weak; the tarsi long, slender, cylindrical, claws simple.

A genus most frequently confused with Teleas, but easily separated
by the much slenderer hind legs and the weaker tibial spurs.

186 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.
TABLE OF SPECIES.

FEMALES.

Antenne not-annulated: with white=¢oe2 ssee. senese ene eee ee ee Jtheltaten 2
Antenne annulated with white.

First, second, and third funiclar joints white..-.-... P. ANNULICORNIS, Sp. nov.

2. Antenne not wholly black, the scape rufous or yellow. .....-..-..------------ 4

Antenne withthe scape paleionly at bas@zee 2-2... eee eee eee eee Ee er 3

Antenme wholly black.
Legs wholly black.
Thorax rugose, opaque.

Hace “longitudinally striated == sc: ..22-5-2 5. set seer ee P. NIGRIPES, sp. nov.
Thorax finely punctate, shining.

Face striate toward base of ant@mne ..........---- P. MELANOPUS, sp. nov.
Thorax smooth, shining at the most microscopically punctate.

Bace smooth, shining: <s.4-. esos eee eee P. PENNSYLVANICA, Sp. noy.

Legs not wholly black.
Legs, except knees and tarsi, black or dark fuscous.
Thorax rugoso-punctate; lower part of face striate.
Scutellum rugose, opaque; wings abbreviated....P. UTAHENSIS, sp. nov.

Scutellum smooth, polished............... -----P. CALIFORNICA, Sp. Nov.
Thorax closely striately punctate; seutellum faintly punctate, opaque.

Pacessmooth, shining? 2ss2esee nse eee ae P. LE VIFRONS, sp. noy.
Thorax finely rugose, subopaque; scutellum shining, faintly punctate.

Face shining but sparsely finely punctate. 2-2. $22.4. P. NANA, sp. nov.

3. Cox black; legs, unless otherwise mentioned, pale rufous.
Thorax closely punctulate.
Face highly polished; tibise and tarsi, fuscous -...---. P. CARABORUM, Riley.
Thorax and seutellum longitudinally rugulose.
Frons polished but with some scattered punctures.
P. PUNCTIVENTRIS, sp. Nov.
Thorax and scutellum finely rngoso-punctate, opaque.
Frons shining, feebly shagreened, with some scattered punctures.
P. SCHWARZII, sp. nov.
Thorax polished, sparsely punctate; scutellum polished.

Frons polished; posterior tibize fuscous above..-.---.-.--- P. PUSILLA, sp. nov.
Thorax finely punctulate; head and scutellum smooth, shining; legs pale
brownish-vyellow ses. 2242+ eee ae: oles P. GRACILICORNIS, Sp. NOV. «

Coxe and iegs pale rufous or brownish-yellow.
Thorax and scutellum rugoso-punctate.

Frons smooth, sparsely punctate-.-..---.--.---.--- P. MARYLANDICA, sp. hoy.

Frons coarsely longitudinally striate. ....-.---.-.----- P. FUSCIPENNIS, Ashin.
Thorax and scutellum shining, faintly punctate. .

Frons smooth, with some small, faint punctures ....P. COLUMBIANA, sp. nov.

Thorax finely punctulate with indications of furrows posteriorly; scutellum
smooth, shining.

Frons highly polished, impunctate..................-- P. BILINEATA, sp. nov.
Thorax and seutellum finely rugose, opaque; pleura rufous.

Frons shining, sparsely, faintly punctate. .........-.. P. PLEURALIS, sp. nov.

4. All coxie, except sometimes the last pair, pale......--.-. Seem as ena ate ance 5

All coxve black.
Thorax and sentellum coarsely longitudinally rugulose.
First funiclar joint one-third shorter than the second; legs rufous; three
basal segments of abdomen striate. ..-.-...---- P. COXALIS, sp. noy,

SD lattes eet)

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID®. 187

Thorax finely, closely punctate; the scutellum smooth, polished,
First and second funiclar joints long equal, about 5 times as long as thick;
legs pale brownish-yellow ERP aetacee oer, P. GRACILICORNIS, sp. nov.
5. Legs rufous.
Thorax and seutellum rugose, opaque.
Inner orbits and lower parts of face and the cheeks striate; wings hyaline.
P. LINELLIT, sp. noy.
Thorax and scutellum sparsely punctate, shining.
Inner orbits and lower part of face striate; wings fuscous.
P. ERYTHROPUS, sp. nov.
Legs yellow.
Thorax and seutellum rugulose, opaque.
Head polished, inner orbits and lower part of face striate; wings hyaline;
CORR Sy ClO Wass ops se rs Seta ee need Se Flt P. FLAVICOXA, Sp. Nov.
Thorax and scutellum coarsely rugulose, opaque,
Head polished, inner orbits not striate, wings subfuscous, hind coxie black.
P. AMERICANA, Ashm.
Thorax punctate, shining, with indications of furrows posteriorly; the seutel-
lum smooth.
Head polished, the lower part of face and cheeks striate; wings hyaline;

petiole of abdomen yellow.-.---...---- P. FLAVOPETIOLATA, sp. OY.
MALES.
AUTEM O lew hOllyasblacke 2 9een ones = ace oc see Acapae Sea dae nis aes eee ne ca eee 2

Antenne wholly black.
Legs wholly black; face longitudinally striated.
Antenne shorter than body, first flagellar joint less than four times as lone
mail hi Ckisee cece meen eee o note ence siete Ses ae P. NIGRIPES, sp. nov.
Legs brownish-yellow.
Antenne much longer than the body, first flagellar joint 6 times as long as
CHCl seeps otpts cee ie ee rete anetarsieia Sateye P. STRIATIFRONS, sp. nov.
2. First flagellar joint not as long as the scape.........-.. EE TN So eye aS, Ste 3
First flagellar joint longer than the scape.
Thorax finely rugose, smoother on shoulders; scutellum smooth, with punctures
at base.
Legs brownish yellow, middle tarsi and posterior tibie and tarsi, fuscous.
P. CARABORUM, Riley
BuEnoraxaclosely punctate On LUC OSC. 224-8. 4 sas 6 seston ee eines eto seseee 4
Thorax smooth, shining, faintly punctate; legs brownish-yellow.
First flagellar joint 4 times as long as thick, a little shorter than the following:
Frons polished.
Third abdominal segment not aciculate or punctate; petiole black.
P. COLUMBIANA, sp. nov.
Third abdominal segment smooth, impunctate; petiole yellow.
c P, FLAVOPETIOLATA.
Frons striated.
Third abdominal segment finely aciculated and punctate; petiole dull
IOUS a ees Sere eee aio ect ae P. MACROCERA, Ashm.
4. First flagellar joint shorter than the second.
Thorax and seutellum closely punctate, shining.
Lower part of the face striate; mandibles large, yellow.
P. XANTHOGNATHA, Sp. NOV. -
Thorax rugose, opaque or subopaque, pubescent.

Frons longitudinally striate; mandibles and legs rufous.
P. MARYLANDICA, Sp. nov.
First flagellar joint longer than the second, abdomen longitudinally striated.
; P. STRIATIVENTRIS, 8p. DOV.

188 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.
Prosacantha annulicornis, s}). nov.

2. Length, 2 to 2.2", Head and abdomen black, shining; the tho-
rax dull rufous, punetate, the metathorax and metapleura stained
with black. Head transverse, the vertex subacute, face smooth, with
a few scattered punctures, the orbits longitudinally aciculated. An-
tenn 12-jointed, long; the scape long, rufous, extending one-third its
length beyond the ocelli, its apex and the pedicel fuscous; the first
three funiclar joints are long, subequal in length, yellowish-white;
the fourth funiclar joint and the club, black; the fourth funiclar
joint is a little longer than thick and fully as thick as the preceding
joints. Seutellum roughly punctate; the post-scutellum armed with
an unusually long acute spine. Metathorax with the angles acute.
Wings fuscous, paler basally. Legs pale rufous, the cox and tro-
chanters yellowish, the tips of the femora and tibiwe a little fuscous.
Abdomen as long as the head and thorax together, polished, the
petiole and the second segment longitudinally striated.

HABITAT.—Washington, D. C.

Types in National Museum, American Entomological Society, and
Coll. Ashmead.

Described from many specimens, taken in winter, by sifting.
Prosacantha nigripes, sp. nov.

62. Length, 2 to 2.4". Black; thorax and seutellum finely ru-
gose, subopaque; head transverse, vertex punctate, the occiput trans-
versely aciculated, the face longitudinally striate, the cheeks with
strie converging toward the mouth. Mandibles rufous. Antenne
12-jointed, black, scape not extending beyond the middle ocellus; ped-
icel small; the first three funiclar joints nearly equal in length, about
thrice as long as thick.

Posterior angles of metathorax with a short tooth. Legs entirely
black. Wings fuscous. Abdomen slightly longer than the head and
thorax together, polished, the petiole and second segment longitudi-
nally striated, the disk of the third segment faintly longitudinally
aciculated.

In the @ the antenne reach to the middle of the abdomen. The
flagellar joints very slightly subequal, the first the longest and thick-
est, four times as long as thick.

Hapbitat.—-The Dalles and Portland, Oregon.

Types in Coll. Ashmead.

Described from specimens received from Mr. H. F. Wickham. |

Prosacantha striatifrons, sp. nov.

é. Length, 2™™. Black; head broadly transverse, shining, vertex
smooth, frons and face longitudinally striated; mandibles long, faleate,
pale rufous; thorax and scutellum rugulose, opaque; legs brownishy

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDE. 189

yellow. Antenne 12-jointed, filiform, black; first funicle joint 6 times
as long as thick; second slightly shorter; third still shorter; fourth and
following longer than third, but not quite as long as the second. Post-
scutellar spine long, acute. Angles of metathorax acute. Wings sub-
hyaline, the nervures pale brown. Abdomen broadly oval, black, shin-
ing, the first and second segments and the third, on disk, longitudi-
nally striated.

HABirat.—Jacksonville, Fla.

Type in Coll. Ashmead.

Described from a single specimen.
Prosacantha melanopus, s)). nov.

?. Length, 1.4™". Black, shining; face perfectly smooth; thorax
and scutellum faintly microscopically punctate, but not sufficient to
destroy the smoothness or luster of the surface. Mandibles dull,
rufous. Antenne 12-jointed, short, black; scape long, pedicel two-
thirds the length of the first funiclar joint; the first and second funic-
lar joints nearly equal, the second the smaller; third and fourth, mi-
nute, transverse; club 6-jointed, as long as the pedicel and all the
funiclar joints together; the joints transverse, about twice as wide as
long. Wings fuscous. Legs black; tip of trochanters and base of
‘tarsi, piceous or brownish. Abdomen as long as the head and thorax
together, smooth, shining; the petiole and first segment striated.

HABITAT.—Ottawa, Canada.

Type in Coll. Ashmead.

Described from a single specimen received from Mr. W. Hague Har-
rington.

Prosacantha pennsylvanica, sj. noy.

@. Length,1™™. Black, shining, sparsely pubescent, the punctua-
tion of the thorax very fine and faint. Antenne 12-jointed, black, not
extending beyond the base of abdomen; first funiclar joint scarcely as
long as the pedicel, the second shorter, the third and fourth minute,
transverse. Wings hyaline, strongly iridescent, with a faint fuscous
tinge. Legs brown-black, trochanters, knees, tips of tibiw and base
of tarsi yellowish. Abdomen broadly oval, not as long as the head
and thorax together, smooth, polished, with a fine pubescence; the
petiole longer than thick, striated; the second segment with some strie
at base.

HApiratr.—Pennsylvania.

Type, 2? in Berlin Museum.

Described from a single specimen labeled “Penna. Zimmermann.”
Prosacantha utahensis, sp. noy.

2. Length, 1.5". Black; thorax and seutellum rugoso-punctate,
opaque; head almost smooth, shining, the face with delicate strive

190 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

toward the orbits and on cheeks below the eyes. Mandibles rufous.
Antenne 12-jointed, black; the pedicel half the length of the first
funiclar joint; pale at tip; second funiclar joint one-third shorter than
the first, third and fourth minute, transverse; club as long as the
funicle, the joints transverse. Wings abbreviated, not extending be-
yond the base of second abdominal segment. Legs black, articula-
tions of trochanters, knees, and the tarsi, rufous. Abdomen alittle longer
than the head and thorax together, shining; the first and second seg-
ments coarsely striated, the following segments shagreened, or with a
scaly punctuation; venter except the first segment, feebly microscopic-.
ally punctate.
HABITAT.—Park City, Utah.
Type 2 in Coll. Ashmead.
Described from a single specimen collected by Mr. E, A. Schwarz,

Prosacantha californica, s}). nov.

9. Length, 1.8". Black; thorax finely rugoso-punctate, opaque;
the scutellum smooth, shining; head smooth, shining, the orbits and
lower part of the cheeks, striated. Mandibles piceous. Antenne 12-
jointed, black, the pedicel about half the length of the first funiclar
joint, the second funiclar joint very slightly shorter than the first, the
third and fourth, minute, rounded; club as long as the funicle and the
pedicel together, the joints transverse. Metapleura polished. Hind
angles of metathorax toothed. Wings subfuscous, fully developed, the
margins ciliated. Legs black, the articulations and the tarsi fuscous.
Abdomen oblong-oval, not longer than the head and thorax together,
polished, impunctured, the first segment and the second at base alone,
striated. ,

HABITA?T.—Santa Cruz Mountains, Cal.

. Type in Coll. Ashmead.

.
see ee ee ee iS i a ah ee eis. 208

Described from 1 specimen.
Prosacantha levifrons, sp. nov.

2. Length,im’. Black; thorax closely, striately punctate, opaque;
the scutellum feebly, minutely punctate, subopaque; head shining, the
face polished, the cheeks with strive below the eye, the occiput closely
punctate. Mandibles rufous. Antenne 12-jointed, short, black, the
first and second funiclar joints equal, only one-third longer than the
pedicel, the third and fourth, minute, transverse, club Jonger than the
funicle, the joints transverse. Postscutellar spine very minute. Legs
fuscous, the trochanters, knees and tarsi, pale brown. Wings sub-
fuscous, pubescent. Abdomen broadly oval, shining, the first and
second segments striated, the following microscopically punctate,

HABITAT.—Washington, D, C., and Arlington, Va,

Types in Coll. Ashmead.

Described from 3 specimens,

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDAE. 191
Prosacantha nana, sp. nov.

@. Length, 1™™. Black; thorax finely rugose, subopaque, the
seutellum smooth, shining, faintly punctate; head smooth, shining,
the face polished, very sparsely, finely punctate above. Mandibles
black. Antenne 12-jomted, black, the pedicel two-thirds the length
of the first funiclar joint, the second funiclar joint slightly shorter than
the first, the third and fourth, minute, transverse, club as long as the
funicle, excluding the pedicel, the joints transverse. Postseutellar
Spine very minute. Wings subfuscous. Legs black, the tarsi fuscous.
Abdomen longer than the head and thorax together, polished, the first
segment and the second basally, striated.

HABITAT.—Utah Lake, Utah.

Type in Coll. Ashmead.

_ Described from a single specimen, received from Mr. KE. A. Schwarz.
Prosacantha caraborum, sp. nov. Riley.
CELE Vinnie od Or)

“9. Length, 1.8". Black, shining, the thorax finely rugulose, the
seutellum almost smooth. Head transverse, thrice as wide as long, the
occiput longitudinally striated, the face smooth with a delicate carina
extending from the front ocellus to the base of the antenne; lower part
of orbits and cheeks with strive converging toward the mouth; mandi-
bles pale rufous, deeply bifid at tips; antennz 12-jointed, about as
long as the body, slender, dark brown or black, the scape a little pale
at extreme base; pedicel about as long as the third funicular joint; the
first and second funicular joints elongate, equal, about twice as long as
the pedicel, the fourth subequal with the third; club 6-jointed, slender,
long, fusiform. Metanotum with silvery pubescence; tegule black;
wings hyaline, the venation pale brownish-yellow. Legs reddish-yel-
low, the coxe basally and the middle and posterior tibiz and _ tarsi,
fuscous. Abdomen as long as the head and thorax together, shining,
with a sparse, fine pubescence toward the apex; the first three seg-
ments longitudinally striated.

“$. Smaller (1.6™) and remarkable for the very long, filiform,
hairy antenne which are fully twice the length of the whole insect;
_ they are black, the scape rufous, the pedicel round; the flagellar joints
all exceedingly long and slender, longer than the scape, the third being
angularly produced toward the base.”—| From Riley’s MS.|

Hapirar.—Washington, D. C., and Arlington, Va.

Types in National Museum and Coll. Ashmead.

Reared by Dr. Riley in June, 1884, from the eges of a Carabid beetle
(Chlenius impunctifrons), and also taken by me in Virginia by sweep-
Ing.

192. = BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Prosacantha punctiventris, sp. nov.

?. Length, 2.6". Black; thorax and scutellum longitudinally
rugulose, subopaque; head very broad, shining; face smooth, with scat-
tered punctures; lower part of face and cheeks striated. Antenne 12-
jointed, black, the scape basally rufous; first flagellar joint twice the
length of the pedicel the second one-third shorter than the first but a
little stouter, the third and fourth transverse-quadrate; club shorter
than the funicle. Mesopleura rugose. Postscutellar spine triangular,
rugose. Lower part of metapleura striated. Angles of metathorax
produced into triangular teeth. Wings subfuscous, the marginal vein
less than five times as long as the stigmal. Legs pale rufous, the cox
black. Abdomen broadly oval, shining, the first segment coarsely
striated, the disks of the second and third finely striated, the venter
punctate.

HApBrrat.—Fortress Monroe, Va., and District of Columbia.

Types in Coll. Ashmead.

Described from 5 specimens collected by Mr. E. A. Schwarz.

Prosacantha Schwarzii, sp. nov.

2. Length, 1.5". Black; thorax and scutellum finely rugoso-pune-
tate, opaque; head shining, the frons feebly shagreened, the face and
cheeks strongly striated. Mandibles rufous. Antenne 12-jointed,
black, the scape paler at base; pedicel pale at apex, a little shorter than
the first funiclar joint; the first and second funiclar joints about of an
equal length, the second the stouter; the third and fourth minute, trans-
verse; club as long as the pedicel and funicle together, Mesopleura
rugose. Post-scutellar spine triangular. Angles of metathorax acute.
Wings subhyaline, the marginal vein 4 times the length of the stigmal.
Legs brownish-yellow, the coxe black. Abdomen broadly oval, the first
segment and the second, for two-thirds its length, coarsely striated ;
rest of the abdomen smooth, polished.

HABITAT.—Washington, D.C.

Type 2 in Coll. Ashmead.

Described from a single specimen taken by E. A. Schwarz, and in
honor of whom this species is dedicated.

Prosacantha pusilla, sp. noy.

?. Length,i™. Black, polished, shining, the thorax feebly, sparsely
punctate; frons polished, impunctate, lower part of face and cheeks
striated. Mandibles and legs brownish-yellow, the coxe black. An-
tenne black, the scape pale at extreme base; pedicel and second funi-
clar joint of an equal length, the first a little longer; third and fourth
minute, transverse. Post-scutellar spine acute. Wings subhyaline,
the marginal vein six times the length of the stigmal. Abdomen oblong-
oval, highly polished, impunctured, the first segment and the second

—

————— ee

la ii at i tl th tae

On ee > el ae

ae a.

et PP PP ew

vet

Sa

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 193

for two-thirds its length, coarsely striated, the third with a row of very
short strive at extreme base.

Hasrrat.—Jacksonville, Fla.

Type in Coll. Ashmead.

Described from a single specimen.

Prosacantha gracilicornis, sp. nov.

2. Length, 18°". Black; head and seutellum smooth, polished;
thorax finely, closely punctate, opaque; legs pale brownish-yellow, the
cox black basally. Antenne 12-jointed, brown-black, the scape pale
at base, long and slender, about as long as the body; the scape extends
slightly beyond the ocelli, slender, a little thickened at the middle;
pedicel cyathiform; first and second funiclar joints long, equal, about
five times as long as thick, the third half the length of second; the fourth
still shorter, a little longer than thick; club 6-jointed, very slender, and
about as long as the the first and second funiclar joints together, the -
joints only slightly wider than long. Wings hyaline, pubescent, the
venation brown. Abdomen a little longer than the head and thorax
together, the petiole longer than thick, finely pubescent and coarsely
striated, the second segment coarsely striate at base only, the third
with some fine longitudinal aciculations basally.

HABITAT.—Carolina.
Type in Berlin Museum.

Described from a single specimen, labeled simply “Carolina, Zimmer-
mann.”
Prosacantha marylandica, sp. nov.

& 2. Length, 2™™. Black; thorax and seutellum rugoso-punctate;
head smooth with some sparse punctures and some broad but not deep
strie on lower part of the face. Mandibles pale rufous. Antenne
black, the scape basally and the pedicel at apex yellowish; the first
funiclar joint is twice the length of the pedicel and one-third longer
than the second; third and fourth joints small, transverse. Legs,
including coxee, brownish-yellow. Post-scutellar spine large, trian-
gular, nearly horizontal and projecting over the base of the scutellum.
Wings subhyaline, the marginal vein at least six times as long as the
stigmal. Abdomen oblong-oval, longitudinally striated, the fourth
and following segments and the venter, punctate.

In the male the post-scutellar spine is not so decumbent, and does
not project over the base of the abdomen; the third abdominal segment
is smoother and shows only a few longitudinal strive on the disk; while
the antennie are long, filiform, the first flagellar joint the longest, about
five times as long as thick, the following a little shorter.

HABiIrAatr.—Oakland, Md.

Types in Coll. Ashmead.

Described from pecimens received from Mr. E, A. Schwarz.

21899—No. 45 13 7

194 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Prosacantha fuscipennis Ashm.
Ent. Amer., 111, p. 117; Cress. Syn. Hym. p. 313.

4. Length, 2.2". Robust, black; thorax and scutellum coarsely
rugoso-punctate, opaque; head large, broad, shining, vertex polished,
the frons and face coarsely, longitudinally striate. Antenne 12-jointed,
long, filiform, brown-black, the scape towards basal half rufous; first
flagellar joint the longest, the third, the shortest and emarginated at
base; the joints after the third longer, very slightly increasing in
length to the last. Legs rufous, the hind coxe sometimes black.
Post-scutellar spine large, triangular, acute. Wings fuscous or sub-
fuscous, the marginal vein nearly six times as long as the stigmal.
Abdomen oblong-oval, polished, the first and second segments coarsely
longitudinally striated, the third feebly longitudinally striated, the
following smooth.

Hasitar.—Jacksonville, Fla.

Types in Coll, Ashmead.

Prosacantha columbiana, sp. nov.

2. Length, 2.2". Black, shining, sparsely, faintly, minutely punc-
tate; the head polished, lower part of orbits, on either side of the in-
sertion of the antenne and cheeks, striated. Mandibles reddish-yellow.
Antenne brown-black, the basal half of scape and tubercles pale rufous;
first and second joints of funicle of an equal length, twice the length of
the pedicel, the third and fourth transverse. Legs, including coxe,
brownish-yellow. Post-scutellar spine acute, triangular; metapleura
smooth, polished. Wings subfuscous, hyaline toward base. Abdomen
oblong-oval, polished, the first and second segments coarsely striated,
the third more or less striated basally, and the rest of the segments
smooth, impunctured.

HABITAT.—District of Columbia.

Types in Coll. Ashmead.

Prosacantha bilineata, sp. nov.

2. Length, 1.5™™. Black, shining, the thorax, excluding the scutel-
lum, minutely punctulate, with indications of furrows posteriorly; head
highly polished, impunctate, with some striz toward the mouth. Man-
dibles piceous. Antenne 12-jointed, black, the extreme base of scape
reddish; first funiclar joint not quite twice as long as the pedicel,
the second, a littie shorter, third and fourth, small, transverse. Legs,
including cox, pale rufous. Post-scutellar spine very acute. Meta-
thorax with small acute teeth at the posterior angles, the metapleura
crenulate. Wings hyaline, the venation yellowish. Abdomen oblong-
oval, smooth, shining, the first segment aud the second at base, striated.

HApbirat.—Washington, D. C.

Type in Coll. Ashmead.

Described from 4 specimens.

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 195

Prcesacantha pleuralis, sp. noy.

?. Length, 1.5™™. Black, opaque, finely rugose, the face smooth,
shining, the pleura rufous, the mesonotum with slight indications of
furrows posteriorly. Mandibles large, faleate. Antenne 12-jointed,
brown-black, the basal half of scape pale; first and second funiclar
joints nearly equal in length, the second, slightly the longer, third and
fourth joints not minute, fully as thick at apex as the preceding joints,
subquadrate. Legs, including coxe, brownish-yellow. Post-scutellar
spine rather large, acute, oblique. Wings subfuscous, hyaline at base,
the venation brown. Abdomen oblong-oval, polished, shining, the first
and second segments of an equal length, striated.

HABITAT.—District of Columbia.

Types in Coll. Ashmead.

Described from 2 specimens.

Prosacantha Linellii, sp. nov.

?. Length, 2.2, Black; the thorax and scutellum finely rugose,
opaque; the head broad, shining, inner orbits and lower part of face
coarsely striated, the middle of face smooth, shining, with a few minute
punctures, the cheeks with punctate strie. Antenne 12-jointed, brown-
black, the scape towards base, brown; first flagellar joint about twice as
long as the pedicel, the latter pale at apex; the second, one-third shorter
than the first; third and fourth, transverse. Post-scutellar spine large,
triangular. Wings hyaline, the venation pale brownish. Legs, inelu-
ding coxie, reddish-yellow. Abdomen oblong-oval, shining, the first
and second segments striated, the third, with some faint striae toward
base.

HaApBrrat.—Long Island, New York.

Type in Coll. Ashmead.

Described from a single specimen obtained from Mr. Martin Linell.

Prosacantha erythropus, sp. nov.

?. Length, 2.2". Robust, black, shining, punctate; head very
wide, inner orbits, cheeks, and lower part of face, striated; apical half
of scutellum smooth, impunctate; scape, mandibles, and legs, reddish-
yellow; flagellum brown-black. Antenne 12-jointed, the flagellum
stout; the second funiclar joint one-half longer than thick, and a lit-
tle shorter than the first, third and fourth transverse-quadrate. Post-
Scutellar spine large acute. Angles of metathorax spined. Wings
fuscous. Abdomen oblong-oval, shining, the first and second segments
and the basal two-thirds of the third longitudinally striated, the rest
smooth.

HABITAT.—District of Columbia.

Types in Coll. Ashmead.

Described from two specimens.

196 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.
Prosacantha flavicoxa, sp. nov.

?. Length, 2.1™™. Black; head wide, sparsely punctate, shining,
the inner orbits and lower part of face striated; thorax and scutel-
lum rugulose, opaque, pubescent; scape and legs, including all coxe,
bright yellow; flagellum black. Antenne 12-jointed; first funiclar joint
about twice as long as the pedicel, 24 times as long as thick; second
joint shorter; third and fourth minute, transverse; club 6-jointed,
about as long as the funicle, the joints transverse, the second a little
the longest joint. Postscutellar spine triangular, acute, horizontal.
Angles of metathorax acutely spined. Wings clear hyaline, the nery-
ures yellowish. Abdomen oblong-oval, polished, black, the first and
second segments striated.

HABITAT.—Virginia.

Type in Coll. Ashmead.

Described from a single specimen.

Prosacantha americana Ashm.
Ent. Am., 111, p. 116, ¢; Cress. Syn. Hym., p. 313.

6. Length, 1.2". Black; head transverse but thick, polished,
the face smooth, with some faint striz only below the eyes, the inner
orbits not striated; thorax and ‘scutellum coarsely rugulose, opaque; —
antenne long, filiform, the scape pale only at base; legs yellow. the —
coxe black, shining.

Post-scutellar spine small. Angles of metathorax subacute, small.
Wings subhyaline, the nervures brown. Abdomen broadly oval, the —
first and second segments striated, the followi me smooth, polished
black. 's

HABITAT.—Jacksonville, Fla. |

Type in Coll. Ashmead.

Prosacantha flavopetiolata, sp. nov.

6. Length, 1.5". Black, shining, very sparsely punctate; head
transverse, not thick, the face highly polished, impunctate; mandibles _
and legs brownish-yellow; thorax with faint indications of furrows—
posteriorly. Antenne long, filiform, 12-jointed, black, the scape yel-—
lowish beneath; the flagellar joints long, cylindrical, the second a_
little longer than the first, the third thickened toward tip. Post-scu-
tellar spine small, triangular. Angles of metathorax not prominent
or acute. Wings eee! the nervures pale brown, the marginal vein
very long and slender, the stigmal very short bat ending in a little
knob. Abdomen brpeale oval, black, shining, the petiole yellow, the
first and second segments striated, rest of the segments polished, im-
punctured.

2. Length, 1.2"". Differs from male in having the thorax and
scutellum closely Pence opaque, the scutellar spine larger and

wines “nce

etal

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDEH. 197

broad at base, while the antenne are clavate, black, the scape yellow,
the first and second funiclar joints equal, twice as long as thick, the
third and fourth, small, transverse.

HAbBiratT.—District of Columbia and Arlington, Va.

Types in Coll. Ashmead.

Prosacantha macrocera Ashm.
Ent. Am. 11, p 117, #; Cress. Syn. Hym., p. 313.

é. Length, 1.8™™- Black, shining, faintly punctate; head wide,
the frons and face striated; mandibles large, rufous; legs rufous. An-
tennie 12-jointed, very long, cylindrical, brown-black, the scape rufous;
first and third funiclar joints about equal in length, a little shorter than
the second, the third angulated outwardly a little before the middle;
fourth joint and the following, longer. Secutellum polished, sparsely
punctate at base. Post-scutellar spine large, acute, erect, very slightly
curved. Angles of metathorax acute. Wings subfuscous, fringed.
Abdomen oblong-oval, shining, but minutely sparsely punctate, the
first and second segments and the third, on disk, longitudinally stri-
ated or aciculated; the first segment brownish or dull rufous, rest of
the segments black.

HABITAT.—Jacksonville, Fla.

Type in Coll. Ashmead.

Prosacantha xanthognatha, sp. nov.

6. Length, 1.5™™. Black, shining; head very wide, polished, the
-frons smooth. The inner orbits and lower part of face striated; man-
dibles large, yellow, the teeth in the left mandible about equal, in the
right with the outer the longer; thorax and scutellum closely punctu-
late or minutely rugulose, shining, the parapsidal furrows slightly in-
dicated posteriorly; legs brownish-yellow. Antenne 12-jointed, brown-
black, the scape yellowish; first flagellar joint a little shorter than the
second; fourth and following longer than the second. Post-scutellar
Spine triangular, acute, oblique. Angles of metathorax subacute.
Wings subfuscous, not fringed, the nervures brown. Abdomen oval,
black, shining, the first and second segments coarsely striated, the
third and following punctate.
Haprrat.—Jacksonville, Fla.
Type in Coll. Ashmead.

Closely allied to P. macrocera but slightly smaller, the thorax more
closely punctate, the antennie shorter, the third flagellar joint not an-
gulated, while the wings are not fringed.

Prosacantha striativentris, sp. nov.

é. Length, 1.5"™. Black; the head and abdomen shining; the
thorax opaque, minutely, closely punctulate; abdomen wholly longi-

198 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

tudinally striated; legs brownish-yellow, the coxee dusky basally.
Head transverse, the face convex, polished, the orbits and lower part
of face striated. Mandibles yellowish, the teeth black. Antenne 12-
jointed, filiform, brown-black, the scape pale toward the base; first
funiclar joint longer than the second, the third © little shorter than the
second; the following a little longer than the third. Post-seutellar
spine, small, acute. Angles of metathorax small but acute. Wings
subhyaline, the nervures pale brown.

HApBirat.—District of Columbia.

Type in Coll. Ashmead.

Described from a single specimen. The striated abdomen and the
relative length of the thagellar joints readily distinguish the species.

TELEAS Latreille.
Gen. Crust. et Ins., Iv, p. 32 (1809).
(Type T. clavicornis Latr.)

Head transverse, the occiput margined; ocelli 3, rather close to-
gether in a triangle; eyes ovate.

Antenne 12-jointed in both sexes, inserted on a clypeal prominence;
in ¢ filiform, in ? ending in a 6-jointed club.

Maxillary palpi 4-jointed; labial palpi 3-jointed.

Mandibles falcate, bidentate at apex, the outer tooth long, acute.

Thorax short, ovoid, the prothorax not visible from above; mesono-
tum short, broader than long, without furrows; scutellum semicireu-
lar; post-scutellum spined; metathorax very short, the posterior angles
rarely acutely toothed.

Front wings with a linear marginal vein, rarely five times as long as
the short stigmal, postmarginal not developed.

Abdomen long-oval, depressed, inserted far above the hind coxe,
the first segment longer than wide, the third the longest and widest.

Legs slightly pilose, the posterior femora swollen, their tibiz and
first tarsal joint dilated, the tibial spurs distinct but short.

The swollen hind femora, their dilated tibie and tarsi, stronger tibial
spurs, and the larger mandibles can be depended upon to distinguish
the genus.

The species are rare and only a few have been described that really
belong here.

TABLE OF SPECIES.

Winged.
All cox and lecs pale brownish-yellow -.22-2-: ---2-- -+- += =sset eee slam eee 2
All coxe black, legs pale rufous or brownish-yellow.
Thorax and scutellum coarsely rugose.
Vertex transversely striated; three basal abdominal segments coarsely
striated, the fourth basally with a fine, transverse, wavy sculp-
ture; rim of scutellum yellow-.........-.- T. LINEATICEPS, sp. nov.

3

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 199

Vertex not striated, but slightly sculptured; three basal abdominal seg-
ments striated, the fourth and following, finely punctate at base;
rim of Scutellum’ black.-... =.-2..-.-=--------- 1. COXALIS, sp. nov.

Vertex smooth; first abdominalsegment alone striate; the second and third,
polished, but with a microscopic wavy sculpture.

T. MANDIBULARIS Ashm.
2. Vertex of head rugose but not striated; three basal segments striated.
T. PALLIDIPES, sp. nov.

Teleas lineaticeps, sp. nov.

6. Length, 2.807", Black, pubescent; head transverse, the vertex
and occiput transversely striated; the face, except a space at the mid-
dle, longitudinally striated. Antenne 12-jointed, dark-brown, the
seape pale at base; pedicel small, annular; first funiclar joint four times
as long as thick (antenne broken beyond). Thorax and scutellum
coarsely rugose or scabrous. Posterior rim of scutellum yellow. Post-
seutellar spine large, triangular, oblique. Metapleura smooth, pol-
ished. Legs pale rufous or brownish-yellow, the cox black, the pos-
terior femora swollen, dusky, their tibiz dilated at tip with two dis-
tinct spurs; tarsi dilated, spinous. Wings fusco-hyaline, pubescent.
Abdomen black, shining, as long as the head and thorax together, nar-
rowed at base; the first three segments wholly longitudinally striated;
the fourth, with a fine, transverse wavy sculpture; the first, at extreme
base, yellowish.

HABITAT.—District of Columbia and Virginia.

Types in Coll. Ashmead.

The larger size of this species, longer first funiclar joint of antenne,
coarser sculpture, yellow rim of scutellum, and stouter femora and
tarsi, will at once separate it from the European T. clavicornis Latr.,
specimens of which are in my collection from France.

Teleas coxalis, sp. nov.

2. Length, 1.80 to 2™™. Black, shining, pubescent; head trans-
verse, polished, the vertex very slightly sculptured but not striated;
lower part of face and the cheeks coarsely striate, the latter rounded;
thorax coarsely, lineatedly rugose. Mandibles very large, rufous, the
teeth stout, the outer the longer. Antenne 12-jointed, black, reaching
to the middle of the abdomen, the scape pale at base; first funiclar
joint long, twice as long as the scape; second, one-third shorter than
first; third and fourth transverse. Post-scuteliar spine large, triangu-
lar, oblique. Metapleura striated. Angles of metathorax produced
into a tooth. Legs pale rufous, the cox black. Abdomen broadly
oval, polished, the three basal segments striated, the third laterally
smooth, the fourth and following segments very finely punctulate at
base.

HABITAT.—Arlington, Va.

Type in Coll. Ashmead.

Described from two specimens.

200 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Its smaller size, non-striated vertex, the lineated rugosities of the
thorax, the length of the funiclar joints, and the scu!pture of the thorax
sufficiently distinguish the species.

Teleas mandibularis Ashm.
Prosacantha mandibularis Ashm., Ent. Am., 11, p. 117.

@. Length, 1.50". Robust, black; thorax rugose and covered with
a fuscous pubescence; cheeks flattened; lower part of head below the
eyes striated, rest of the head smooth, polished. Mandibles long,
curved, brownish yellow, the teeth black, the outer tooth very long,
acute. Antenne 12-jointed, very short, black, not reaching beyond
the tegulie, the scape pale at base; first funiclar joint very little longer
than the pedicel, the second slightly shorter; third and fourth minute,
transverse; club scarcely longer than the funicle. Posterior rim of
scutellum. black. Post-scutellar spine small. Wings fusco-hyaline,
pubescent. Legs brownish-yellow, the cox black. Abdomen a little
longer than the head and thorax together, smooth, shining, with a
faint wavy-lined sculpture, the first segment alone striated.

HABitat.—Jacksonville, Fla.

Type in Coll. Ashmead.

The short antenn, relative length of the funiclar joints, and the
sculpture of abdomen can be depended upon to distinguish the species.

Teleas pallidipes, sp. nov.
GEG acting Tis 5)

6. Length, 2.20". Black, pubescent; head transverse, polished,
the vertex almost smooth, the lower part of the face striate; thorax
coarsely rugulose, the pronotum and pleura yellowish or rufous.
Mandibles large, yellow. Clypeus yellow. Antenne 12-jointed, very
long, filiform, black, the scape and pedicel yellow; first funiclar joint
two thirds the length of scape; the second and third one-third shorter
than the first, the latter emarginated at base; the joints after the
fourth longer than the first. Post-scutellar spine large, triangular,
horizontal. Wings subhyaline, pubescent. Legs wholly yellow. Abdo-
men oblong-oval, narrowed at base, black, shining, the three basal
segments striated.

HABITAT.—New Jersey.

Type in Coll. Ashmead.

Described from a single specimen. It is difficult to tell whether this
species is the opposite sex of either of the two females described
above, but as the coxe are pale, and the sculpture is different, I sur-
mise it to be a distinct species.

HOPLOGRYON Ashm., gen. noy.
(Type H. minutissimus Ashm.)

Head transverse; cheeks above flattened, broader at base, face sub-
convex; vertex subacute; ocelli 3, triangularly arranged, the lateral

Ni 5, a gt

= RAS nia tal

nS St

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDE. 2061

farther away from the margin of the eye than to the front ocellus; ayes
ovate, villose.

Antenne inserted on a tubercle just above the clypeus, 12-jointed in
both sexes, in the 2 terminating in a 6-jointed club, funiclar joints 3
and 4minute; in the ¢ long, filiform, the flagellar joints all cylindricai,
the third not angulated.

Maxillary palpi 5-jointed.

Mandibles bifid, the teeth equal.

Thorax subovoid, the mesonotum without furrows, rarely with traces
of furrows posteriorly; scutellum short, semicircular, with a punctate
frenuim; post-scutellum produced into a small spine; metathorax short,
the angles obtuse or acutely produced.

Wines occasionally wanting; when present with the venation as
in Teleas.

Abdomen broadly oval or oblong-oval, the first segment transverse,
rarely as long as wide, striated, the third segment very large.

Legs as in Gryon.

Differs from Prosacantha Nees by the short transverse first abdom-
inal segment, and by having the teeth in both mandibles equal; and
from Gryon Hal. by having the postscutellum spined or tubercular.

TABLE OF SPECIES.

FEMALES.

EITC ES SHS) CIES Haase ermas Alb ccs Sool seoaie Seuisio see ASE bob oi be Se Gseoene Seed Ss 3

Winged.
Wings abbreviated, narrowed, when folded not reaching to the tip of the
SUDO WTO Mayes sree eps tees ete are fosera Se eye Be otereyseteie Sas tin as minelore Stee Z

Wings extending to or beyond the tip of the abdomen.
Thorax and scutellum closely minutely punctulate.
All cox black.
Legs more or less fuscous or brown.
Antenne wholly black or brown black, except sometimes the scape at
base.
First and second abdominal segments striated.
Third abdominal segment finely punctate .. H. LONGIPENNIS, sp. nov.
Third abdominal segment polished, impunctate.
Wings hyaline; hind femora and tibiw fuscous, the tarsi pale.
H. MINUTISSIMUS Ashm.
Wings smoky; all tibiw and tarsi fuscous, the femora pale.
H. TIBIALIS, sp. nov.
Coxe and legs yellow.
Wings hyaline; scutellum polished; third abdominal segment smooth,

MOMSITC CEE See eee ee Ste ae! H. CLARIPENNIS, sp. nov.

Jings subhyaline; scutellum punctate; third abdominal segment pune-
Wing bhyaline; tellum tate; third abd 1 seg t

Ub ry eee Sekt Mak GRA OR eR REE Se eae clad H. PTERIDIS, sp. noy.

2. Cox and legs brownish-yellow.
First and second abdominal segments striated, the first yellowish, the third
SMLOOU MGA eee ie wiley Sila esis cece Oe H. BRACHYPTERUS Ashm.

202 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

3. All coxw Llack, or black basally.
Head and thorax minutely closely punctulate, the face striolated.
Legs fuscous; trochanters, knees, tips of tibiw, and tarsi, yellow.
Scape not pale beneath; third abdominal segment and the venter smooth,
BHMINO PMN CUTS: sees ite eee rear H. OBSCURIPES, sp. nov.
Legs rufous.
Seape pale beneath; third abdominal segment distinctly punctate, the
venter faintly punctate ..............---.----H. RUFIPES, Sp. Dov.

MALES.
Wingless.
Thorax minutely rugose, punctate; vertex finely punctate, the face striolated.
Antenne very long, filiform, black; legs, except cox, rufous.
H. SOLITARIUS, sp. nov.

Hoplogryon longipennis, sp. nov.
(BL var; Bic.6:.9).)

2. Length,1™. Black, opaque, minutely, closely punctate, with a
sericeous pubescence; cheeks flat and narrowed back of the upper part
of the eye; the face shining, the lower portion and around the mouth,
striated. Mandibles pale. Antenne 12-jointed, black, the scapespale
beneath toward base; first and second funiclar joints almost equal,
longer than the pedicel and very little longer than thick; third and
fourth joints minute, transverse. Post-scutellar spine acute. Meta-
thorax with acute angles. Legs-fuscous or brown, the trochanters,
knees, tips of tibie, and tarsi pale; coxe black. Wings subhyaline,
ciliated; when folded, longer than the abdomen. Abdomen broadly
oval, narrowed at base; first segment a little wider than long; it, as
well as the second, striated; third segment faintly microscopically
punctate, but shining.

HABITAT.—Ottawa, Canada.

Types in Coll. Ashmead.

Described from 2 specimens received from Mr. W. H. Harrington.
I g

Hoplogryon minutissimus, Ashm.

Prosacantha minutissima Ashm., Ent. Am., 1, p. 117, 9.

2. Length, 0.75". Black, subopaque, closely, microscopically punc-
tulate; face smooth, shining, with some striz only between the eye and
the mandibles. Mandibles brownish. Antenne 12-jointed, black; the
first and second funiclar joints subequal, a little longer than thick; third
and fourth, minute, transverse. Post-scutellar spine small, but acute.
Angles of metathorax not acute. Legs brown or fuscous, the trochan-
ters, knees, tips of tibiw, and the tarsi pale; cox black. Wings sub-
hyaline, fringed; when folded scarcely extending beyond the tip of the
abdomen. Abdomen broadly oval, polished, impunctured, the first and
second segments striated.

HApitTat.—Jacksonville, Fla.

Type in Coll. Ashmead.

5
§
"
7
:

f
Be

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 203

Allied to H. longipennis, but smaller, more shining, the punctation
finer, the wings shorter, the angles of the metathorax not acutely
toothed, while the abdomen, except the first two segments, is impune-
tured, the first segment being much wider than long.

Hoplogryon tibialis, sp. noy.

2. Length, 1.20". Black, subopaque, very closely, minutely pune-
tate; face smooth, polished, with some faint striz on either side the
antenne. Mandibles pale rufous, the teeth black. Antenne 12-
jointed, black; first and second joints about equal, fully twice as long
as thick; third and fourth minute, transverse. Post-scutellar spine
acute. Angles of metathorax acute. Legs yellow, the cox black,
while all the tibiz and tarsi are fuscous. Wings smoky, with short
cilia. Abdomen oval, much narrowed at base, highly polished, black;
the first segment, and the second at base and at the middle, striated;
the first segment is as long as wide.

HABITAT.—Virginia.

Type in Coll. Ashmead.

Described from a single specimen received from Mr. O, Heidemann.
This species is quite distinct from the others by the length of the
first and second funiclar joints, smoky wings, and the color of the legs.

Hoplogryon claripennis, sp. nov.

@. Length, 1.20™. Black, shining; head transverse, polished,
with some faint strie below the eyes; thorax faintly punctulate,
the scutellum polished, impunctured; mandibles piceous. Antenne
12-jointed, black; the scape at base and the pedicel at tip, pale; first
and second funiclar joints nearly equal, the first more than twice as long
as thick; third and fourth small, subquadrate. Post-scutellar spine,
oblique, acute. Metathoracic angles produced into acute spines. Legs,
including coxze, brownish-yellow. Wings hyaline, scarcely tinged.
Abdomen oblong oval, narrowed at base and highly polished, the first
and second segments coarsely striated, the first nearly as long as wide.

HABITAT.—Virginia.

Type in Coll. Ashmead.

This pretty species was given to me by my friend Mr. O. Heidemann.
Its shining surface, less distinctly punctured thorax, highly polished
scutellum, and the length of the funiclar joints readily distinguish it.

Hoplogryon pteridis, sp. nov.

2. Length, 0.80", Black, subopaque, closely microscopically
punctulate; face smooth, polished; mandibles yellowish. Antenne
12-jointed, black; first and second funiclar joints equal, scarcely longer
than thick and very little longer than the pedicel; third and fourth
minute, transverse. Post-scutellar spine distinct, acute. Angles of

204 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

metathorax subacute. Legs, including the coxie, yellow,. the posterior
pair slightly dusky at base. Wings subhyaline, when folded, not or
scarcely longer than the abdomen and somewhat narrowed. Abdomen
rotund, oval, polished, widened from the base of the first segment; first
and second segment at base striated, the first, twice as wide as long.
HABIrTatT.—Fortress Monroe, Va., and District of Columbia.
Types in Coll. Ashmead.

This species was taken by Mr. E. A. Schwarz, at Fortress Monroe.
The color of the legs and the shape of the abdomen and wings, readily
separate the species from all the others.

Hoplogryon brachypterus Ashm.

Prosacantha brachyptera Ashm., Can. Ent., xx, p. 50.

@. Length, 0.75 to 0.80", Black, subopaque, closely microscopi-
cally punctulate; the head polished, shining, the face having a delicate
central line below the front ocellus; mandibles pale; legs brownish-
yellow, reddish, brownish or fuscous, with the distal ends of femora
and tibiz and the tarsi, yellow or pale. Antenne 12-jointed, black or
brown-black; first and second funiclar joints subequal, a little longer
than thick; third and fourth, very minute. Post-scutellar spine
minute. Angles of metathorax not toothed. Wings subhyaline, much
narrowed and shortened, when folded reaching scarcely beyond the
middle of the abdomen, pubescent, but not distinctly fringed. Abdo-
men broadly oval, highly polished, black, the first segment wider than
long, yellowish and striated.

HaBITAT.—Ottawa, Canada.

Types in Coll. Ashmead.

For several specimens of this highly interesting species, I am in-
debted to Mr. W. H. Harrington. The abbreviated, narrowed, non-
ciliated wings and the yellow petiole distinguish the species.

Hoplogryon obscuripes, sp. nov.

2. Length, 9.50". Black, opaque, closely, minutely punctulate,
covered with a fine sericeous pubescence; the face shining, striolated.
Mandibles pale brown. Antenne 12-jointed, brown-black; first and
second funiclar joints subequal, the first about one and a half times as
long as thick; third and fourth minute, transverse. Post-scutellar
spine minute but acute. Metathoracic angles obtuse. Wings entirely
wanting. Legs fuscous, the coxe black or dusky basally, the trochan-
ters, knees, tips of tibiwe, and tarsi, yellowish. Abdomen oval, polished,
the first segment transverse, twice as wide as long, striated, the sec-
ond striated only at the basal suture, the venter impunetate.

HABITAT.—Ottawa, Canada.

Types in Coll. Ashmead.

Described from two specimens received from Mr. W. H. Harrington.

MONOGRAPH OF TEE NORTH AMERICAN PROCTOTRYPIDA. 205
Hoplogryon tufipes, sp. nov.

2. Length, 0.80". Black, subopaque, microscopically punctulate,
the face striolate. Mandibles pale. Antenne 12-jointed, black, the
scape pale beneath; first and second funiclar joints equal, 1$ times as
long as thick; third and fourth minute, transverse. Post-scutellar
spine minute, triangular. Angles of metathorax acute. Wings want-
ing. Legs rufous, the tarsi yellowish. Abdomen broadly oval, shin-
ing, the first and second segments transverse, longitudinally striated;
the third and the venter microscopically punctate,

HABITaT.—District of Columbia.

Type in Coll. Ashmead.

Described from a single specimen collected by Mr. E. A. Schwarz.
The color of the legs and the fine punctation of the third dorsal seg-
ment and the venter distinguish the species.

Hoplogryon solitarius, sp. noy.

6. Length, 1.5". Black, subopaque, closely, minutely punctulate;
head wide, 3§ times as wide as thick antero-pesteriorly, the cheeks
rounded, margined behind, the face smooth, the orbits and around the
mouth striated. Mandibles rufous. Antenne 12-jointed, filiform, much
longer than the body, black, the scape pale basally; first flagellar joint
about half the length of the seape; second, very slightly longer than
thee first; third to the penultimate, nearly of an equal length, but
slightly shorter than the first; last joint slightly longer. Sentellum
smoother than the thorax, shining. Post-scutellar spine acute. Angles
of metathorax acutely toothed. Wings wanting. Legs, except coxe,
uniformly rufous, Abdomen oblong-oval, polished, very little longer
than the head and thorax united, the first segment transverse, much
broader than long, the second a little longer than the first, both coarsely
striated.

HABITAT.—Ottawa, Canada.

Type in Coll. Ashmead.

Described from a single specimen received from Mr. W. H. Harring-
ton.

On account of the very large size of this species, in comparison with
the described wingless females, it is scarcely probable that it can be
the opposite sex of any of them.

GRYON Haliday.
Ent. Mag., I, p. 271 (1833); Forst. Hym. Stud., u, p. 101 (1856).
(Type G. misellus Hal.)

Head large, transverse, the occiput scarcely emarginated; ocelli 3,
triangularly arranged, close together on vertex; eyes ovate, villose.

206 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Antenne 12-jointed in both sexes: in 2 clavate, the club large, 6-
jointed, the last two funiclar joints minute; in ¢ filiform.

Maxillary palpi 3-jointed.

Mandibles bifid, the teeth equal.

Thorax short, subovoid, the prothorax not at all visible from above;
the mesonotum more than twice as wide as long, without furrows;
scutellum short, transverse; postscutellum not spined, simple; meta-
thorax very short, the angles subacute or acute.

Wings most frequently wanting, when present with the venation as
in Teleas, the marginal vein rarely more than 4 times as long as the
stigmal.

Abdomen broadly oval, the first and second segments short, trans-
verse, of nearly an equal length, usually striated, the third very large,
but broader than long.

Legs as in Prosacantha, the tibial spurs weak, the basal joint of hina
tarsi a little more than thrice as long as the second.

Closely allied to Prosacantha and Hoplogryon, but separated from both
by the simple, not spined, postscutellum.

Dr. Forster’s description of this genus in the Hym. Stud. is searcely
correct and very misleading. I have recognized the genus by Walker’s
figure of the male in Ent. Mag., Vol. ti, Pl. x1, Fig. 5, which plainly
shows its relation to Prosacantha, but is distinct in having the post-
scutellum simple, not spined, and the basal abdominal segment much
broader than long, not petioliform.

TABLE OF SPECIES.

FEMALES.

AW i110 ge] SS HSC GU Sire atl ee a ee ee 2
Winged.
Head and thorax finely punctulate; metathoracic angles obtuse.
Mesonotum with traces of furrows posteriorly.
Coxte-andslecsyellowers=--eeee eee eee eee G. FUMIPENNIS, 8p. nov.
2. Head and thorax finely, closely punctulate, subopaque, the lower part of face
with strive converging toward the mouth.
All cox black; first and second abdominal segments striated.
Metathoracic angles obtuse or subacute.
Legs pale rufous or brownish-yellow; abdomen shining, but microscopic-

ally punctate, 2522.7). s cca a ene eee eee G. BOREALIS Ashm.
Legs fuscous, the trochanters, knees, and tarsi yellow; abdomen polished,
impunctabe. 2.2. ss:sce + teas. See eee = See G. CANADENSIS Ashm.,

Metathoracic angles acute.
Legs brownish-yellow; abdomen, above and beneath, punctate, subopaque.
G. COLUMBIANUS, Sp. noy.
All coxe pale; metathoracic angles obtuse.
Legs pale yellow; abdomen smooth shining.-..---.--.- G. FLAVIPES, sp. nov.

Gryon fumipennis, sp. noy.

2. Length, 1.40". Black, shining, minutely punctulate; face
smooth, polished, with faint strie at the mouth; mandibles and legs

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 207

yellow. Antenne 12-jointed, black, the scape yellowish toward the
base; first two funiclar joints equal, about twice as long as the pedicel;
third and fourth, minute, transverse. Mesonotum with traces of the
parapsidal furrows posteriorly. Scutellum smoother than the mesono-
tum, but still slightly punctate. Metathorax laterally above and the
metapleura polished, the angles obtuse. Wings smoky-hyaline, paler
at base. Abdomen oval, smooth, polished, the first and second seg-
ments striated.

Haprrat.—District of Columbia.

Type in Coll. Ashmead.

Described from one specimen received from Mr. Ii. A. Schwarz.
Gryon borealis Ashm.
(ear vary Bios 2.)

Acolus borealis Ashm., Can, Ent., Xx, p. 50.

2. Length, 1™". Apterous; black, subopaque, closely microscopic-
ally purectate and with a fine sericeous pubescence; lower part of face
striated. Mandibles pale. Metathorax with the angles subacute.
Antenne 12-jointed, black or brown-black; first funiclar joint longer
and thicker than the pedicel; second one-third shorter than the first;
third and fourth minute, transverse. Legs pale rufous or brownish-
yellow, the coxe black. Abdomen oval, microscopically punctate, but
shining, the first and second segments striated.

HABrrat.—Ottawa, Canada.
Types in Coll. Ashmead.

Described from four specimens received from Mr. W. H. Harrington.
Gryon canadensis Ashm.

Acolus canadensis Ashm., Can. Ent., XX, p. 50.

2. Length, 0.60". Apterous; black, subopaque, closely, minutely
punctulate and pubescent; face polished, with strie at base. Man-
dibles pale rufous. Antenne 12-jointed, black, the scape pale at base;
firstand second funiclar joints very little longer than thick, the second
slightly the smaller; third and fourth minute, transverse; club very
large, the joints close set, transverse. Scutellum small, sublunate,
shining. Metathorax short, narrowed posteriorly, the angles not at all
prominent. Legs fuscous, the trochanters, knees, and tarsi, honey-
yellow. Abdomen rotund-oval, smooth, shining, impunctate, the first
and second segment very short, transverse, striolate, the second with
a fringe of glittering hairs at apex.

HaApsrirat.—Ottawa, Canada.

Types in Coll. Ashmead.

Described from four specimens received from Mr. W. H. Harrington.
Allied to @. borealis, but smaller, the legs differently colored, the meta-
thoracic angles not at all prominent, while the abdomen is polished,
impunctate.

208 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.
Gryon columbianus, sp. noy.

?. Length, 1.40". Subrobust, black, opaque, closely, minutely
punctulate; head transverse, wider than thorax, the anterior orbits,
broadly, and the cheeks, striated; mandibles pale rufous; scape and legs,
xxcept cox, brownish-yellow or pale rufous; flagellum brown-black.
Antenne 12-jointed, not quite as long as the body; first and second
funiclar joints about equal, twice as long as the pedicel; third and
fourth minute, annular; club a little longer than the pedicel and
funicle united, rather stout, the joints tranverse-quadrate. Angles
of metathorax acute; post-scutellar ridge emarginated at the middle.
Abdomen broadly oval, closely punctate, subopaque, sericeous, the first
and second segments with coarse strive, the apical margin of the see-
ond smooth, polished; first and second ventral segments striated, the
third and following punctate.

HABITAT.—District of Columbia.

Types in Coll. Ashmead.

Described from several specimens.
Gryon flavipes, sp. nov.

2. Length,0.60"™, Black, shining, finely punctulate; face smooth,
polished; legs pale yellow; metathorax with obtuse angles. Antenne
12-jointed, brown-black, the scape, beneath, toward base, pale; first
funiclar joint a little longer than the pedicel; second shorter than the
first, not longer than thick; third and fourth, minute, transverse. Ab-
domen rotund-oval, smooth, shining, the first segmeut and the second
at the suture, striated; venter piceous.

HABiIrat —Ottawa, Canada.

Type in Coll. Ashmead.

Described from a single specimen received from Mr. W. H. Harring-
ton. Differs from the other species in the smoothness of the face, paler
legs, smoothness and sculpture of the abdomen, and the color of the
venter.

Tribe IV.—SCELIONINI.

A tribe allied to the Teleasini and always with the abdomen dis-
tinetly carinated along the sides; but, exceptin a few genera, the abdo-
men is much more elongated, being pointed or fusiform, rarely oval,
and extends beyond the tips of the wings when folded, the third seg-
ment the longest, or the second and third are about equal in length.
The venation, however, is quite distinct; the postmarginal nervure,
except in a few cases, is fully developed and usually longer than the
marginal, while the stigmal is never very short. When the postmar-
ginal nervure is absent the submarginal terminates in a stigma
(Beoneura and Scelio).

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDE. 209

The parasitism of many of the genera is known, all being parasites
in the eggs of various insects, but principally in those belonging to the
Orthoptera and Hemiptera. Baryconus and Cacus attack the eggs of
the White Tree-crickets, Oecanthus niveus, ete.; Macroteleia, those of
Orchelimum; Scelio, various Locusts or Grasshoppers, Dissostcira,
Caloptenus and Acridium; while Hadronotus, a genus easily mistaken
for Telenomus, is parasitic on different Heteroptera-Hemiptera, belong-
ing to the families Coreide, Pyrrhocoride and Reduviide.

It is believed the genera can be readily separated, by the aid of the
following table:

TABLE OF GENERA.

FEMALES.

Postmarginal vein wanting or never greatly developed, always shorter than the
stigmal vein, the submarginal vein often never reaching the costa
and terminating in a large stigma, the abdomen long, fusiform....4

Postmarginal vein always greatly lengthened, the submarginal never terminat-
ing in a stigma.

Peele Enum Gilat. Ste ode Butt 2 eae cc aae s BSCR eUL See cbt ede wae tee acids 3
Basal vein present.
First abdominal segment without a horn at base....................-2----- 2

First abdominal segment with a horn at base.
Marginal vein short; abdomen long, pointed, fusiform, the first segment
narrow, petioliform, the second and third segments nearly equal.
CALOTELEIA Westw.
Marginal vein long; abdomen long, linear or subfusiform, the first segment
quadrarerorssulb qiiadnabee ceese1= == teen ata ae BARYCONUS Forst.
2. Abdomen long, pointed fusiform or linear, segments 2, 3, and 4 nearly equal.
Mesonotum with 2 furrows.
Metascutellum without a spine.
Metanotum with no inclosed space at base.
Marginal vein about twice the length of the stigmal.
PEAMCMONES. SCENTS GO ete anton slars Sram sre ces ee MACROTELEIA Westw.
Nan daibles:2=denbaberemca. sae \es-elsees 2a ae CALLISCELIO, gen. nov.
Marginal vein very short.
Metanotum with a large, semicireular inclosed space at base.
Maren Yelie jobocnb te, —secoseeseeooceeepeae CHROMOTELEIA, gen. noy.
Abdomen oblong-oval or fusiform, but not especially lengthened.
Metascutellum spined.
Mesonotum with 2 furrows.
Mandibles 2-dentate; abdominal segments 1 and 2 equal in length, the 3d
HOTNROTHs ferret eve Race see en eR RE OPISTHACANTHA, gen. nov.
Mesonotum without furrows.
Mandibles 2-dentate; abdominal segments 1 and 2 equal in length, the
Clg OME Lees see ae eee ee tee a ke abe Winona AES = (OPISTHACANTHA).
Mandibles 3-dentate; segments 2 and 3 equal in length, the Ist shorter.
LAPITHA, gen. noy.
Metascutellum not spined, simple.
Marginal vein short, or not more than half the length of the stigmal, most
frequently punctiform.
Mesonotum without furrows.
Head quadrate, mandibles 3-dentate. ......................Cacus Riley.

21899—No, 45 14

210 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Mesonotum with two furrows.

Antennz with 5 or 6 jointed club..--..--....-.-..-.---- ANTERIS Forster.
Antenns filiform, without a club............---...--.- APEGUS Forster.

3. Mesonotum with three distinct furrows.
Metascutellum with 2 erect teeth...........-----.--i---- HOPLOTELEIA, gen. noy,

Mesonotum with 2 furrows.
Abdomen very long, fusiform.

Metathorax unarmed; mandibles 3-dentate.....-.- MACROTELEIA Westw.
Metathorax with 2 teeth (mandibles 3-dentate).........--. Cacus Riley
Abdomen not very long, ovate or oblong-oval.
Metathorax unarmed; mandibles 2-dentate........---- ANTERIS Forster.
Mesonotum without furrows.
Metascutellum spinedi= =e eet eco eee asec ee ee ees (OPISTHACANTHA).

Metascutellum simple.

Marginal vein short..-.-.-- (CALOTELEIA).
Marginal vein long.....--. (BARYCONUS).

Abdomen without a horn at base.
Abdomen long, fusiform; mandibles 2-dentate.
Abdominal segments normal; antennal club 6-jointed..Cacus Riley.
Abdominal segments strongly constricted; antennal club oval, 5-
jointed=.2¢ == 2325s. 2 tea ene se ee ese CREMASTOBAEUS, gen. Novy.
Abdomen broadly oval, sessile, the second segment usually a little the
Jaroeste. so-esee sence ho NE es Sasa tet ates HADRONOTUS Forster.
4. Submarginal vein not reaching the costa, knobbed.
Wings narrow, fringed; abdomen much depressed, long and pointed.
BZONEURA Forst.
Submarginal vein reaching the costa often by a thickened stigma.
Submarginal vein not terminating in a thickened stigma.
Marginal vein very short, the postmarginal scarcely developed or shorter
than the stigmal.
Mesonotum. with! 2 furrows 252-2 s26 22-612 26-2 oe Se eee eae Ipris Forster.
Submarginal vein terminating in a thickened stigma.
Head withouta frontal lamina or ledge; postmarginal vein never developed. .5

Abdomen with a horn at base }

Head with a frontal lamina or ledge.

Scutellum quadrate, the posterior angles acute; postscutellum with a large
CLECtISPING sean ace cece ese mee see ACANTHOSCELIO, gen. noy.

Scutellum and postscutellum simple, not spined.---.--- SPARASION Jurine.

5. Mesonotum without furrows, or very rarely with 2 distinct furrows.
Maxillary palpi short, 3-jointed_-.....-.....-. ..---2-.-.-.--NCELIO Jaatreilles
Mesonotum with 2 distinct furrows.
Maxillary palpi long, 5-joimted@s.. 3.--22- 22s -- see SCELIOMORPHA, gen. nov.
MALES.

Postmarginal vein wanting or never greatly developed, always shorter than the
stigmal vein, the submarginal vein often never attaining the costa
and terminating in a large stigma, the abdomen long-fusiform... 5
Postmarginal vein always greatly lengthened, the submarginal vein reaching —
the costa and never terminating in a stigma.

Basalm ere) yeu se eee alr elo ae eet eae 4
Basal nervure present.
Mesonotum without furrows2-. .so.6- Joe ees Ree eee eee eee eee eee eee 3

Mesonotum with 2 furrows.
Metathorax with no inclosed space at base.
Metascutellum not spined.
Marginal vein punctiform or never longer than the stigmal.
Mandibles 3-dentate 2.252 2e.- 25-525 sae CALOTELEIA Westw.
Mandibles 2-dentate......-.... wisi enews ates eee ANTERIS Forster.

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDE. 211

Marginal vein longer than the stigmal.
Mandibles 3-dentate.
First flagellar joint scarcely longer than the third, the third excised
MACROTELEIA Westw.
- First flagellar joint much longer than the third.
BARYCONUS Forster.
Metascutellum spined....-....-..---- -OPISTHACANTHA Ashm., gen. nov.
Metathorax with a large semicircular inclosed space at base.
Marginal vein punctiform; mandibles 3-dentate.
CIUROMOTELELA, gen. nov.
3. Metascutellum not spined.
Marginal vein punctiform or never as long as the stigmal.
Mandibies 3-dentate.

Himsiiacvellarjommbvery longs ss.--ss-5 29 22S] ee CALOTELEIA Westw.

First flagellar joint shorter than second............-...-.---- Cacus Riley.
Marginal vein long, always longer than the stigmal.

OCS) CNW UG mo eine eise ee lees ewe ees BARYCONUS Forster.

Metascutellum spined.
Marginal vein longer than the stigmal; mandibles 3-dentate..LAPITHA, gen. nov.
Marginal vein shorter than the stigmal; mandibles 2-dentate.
OPISTHACANTHA Ashm., gen. noy.
4, Mesonotum with three distinct furrows.
Metascutellum armed with 2 teeth; tip of abdomen ending in two short prongs.
HOPLOTELEIA Ashm., gen. noy.

Mesonotum with two furrows.

Metathorax unarmed; mandibles 3-dentate........-----.-.-.-.. (MACROTELEIA).

~ Metathorax with 2 small teeth; mandibles 2-dentate....... 2... (Cacus Riley).
Mesonotum without furrows.

Metascutellum with a small acute spine. -.-- OrIsTHACANTHA Ashin., gen. noy.

Metascutellum simple.
Metanotum with 2 small teeth at apex.
MaMeOLeSta-Cemidtes c= sss Wetce ao cece ee ee bese eee we dae sb oeds CAcCUS.
Metanotum unarmed, simple.
Abdominal segments strongly constricted.

FAMILEMM ce SUL CLAN be! -ssecesce.ca's< Sees. > ccmecicee CREMASTOBEUS, gen. nov.
Abdominal segments normal.

Antenne filiform, submoniliform..........-...---- HADRONOTUS Forster.

5. Submarginal vein not reaching the costa, knobbed.....-...... BXONEURA Forst.

. Submarginal vein reaching the costa.
Submarginal vein not terminating in a stigma.
Marginal vein very short, the postmarginal scarcely developed or shorter
than the stigmal.
MERON OLUIMawi CHUA MUEOW Sens = seco cieeeece ececioccs secesce Ipris Forster.
Submarginal vein terminating in a thickened stigma.
Head without a frontal ledge or lamina; postmarginal vein not developed. 6
Mead with a frontal lamina or ledge.
Scutellum quadrate, the angles acute; the postscutellum spined.
ACANTHOSCELLO, gen. nov.
Scutellum and postscutellum normal...........--.------ SPARASION Jurine.
6. Mesonotum with 2 furrows.
Maxillary palpi long, 5-jointed; antennw long, setaceous, 12-jointed.
SCELIOMORPHA, ven. nov.
Mesonotum without furrows, or rarely distinct.
Maxillary palpi short, 3-jointed; antenn:e short, fusiform, 10-jointed.
ScELIO Latreille.

212 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

CALOTELEIA Westwood.

Trans. Lond. Ent. Soe., 11, p. 55, Pl. 7, f. 10.

(Type C. aurentia Westw.)

Head transverse, subquadrate, the frons convex, the occiput round-
edly emarginated; ocelli 3 in a triangle, the lateral close to the eye;
eyes large, oval, bare or faintly pubescent.

Antenne inserted just above the elypeus, 12-jointed in both sexes;
in 2 clavate, the club 5- or 6.jointed, the last two funiclar joints usually —
transverse or quadrate; in ¢ filiform, long; the flagellar joints long, j
cylindrical.

Mandibles 3-dentate.

Maxillary palpi 4-jointed; labial palpi 3-jointed.
Thorax ovate, the prothorax scarcely visible from above, except at
the lateral corners; mesonotum usually entirely without furrows,
although occasionally with 2 distinct furrows; scutellum semicireular ;
metathorax emarginate and carinated along the sides.

Front wings with the marginal vein short, punctiform or rarely half
the length of the stigmal; the stigmal vein oblique, and usually end- |
ing in a little knob; postmarginal vein very long, basal vein distinct,
rarely entirely absent. .

Abdomen long, fusiform, pointed at tip and narrowed at base; the
basal segment in the 2 with a horn extended forward over the meta-
thorax.

Legs rather long, the femora and tibiz subclavate; the tibial spurs
1, 1,1, the middle and hind pairs rather weak; tarsi long, the basal
joint several times longer than the second; claws simple.

This genus was originally described by Prof. Westwood, from a sin-
gle specimen found embedded in Gum animé, in the collection of Rey.
I’, W. Hope. The genus is not rare in South America and the West
Indies, and five species have been discovered in our fauna.

It is closely allied to Baryconus Forster; but the marginal nervure
is usually punctiform, or at least very short, and the petiole is longer
and more slender. |

TABLE OF SPECIES.

jody. pale. - 2. sos. 5.50 2 ae oo nee ee ee ne See eee eas ek aes eee ee 2

Body black.

Coxe black, legs rufous or brownish-yellow.”
Three basal abdominal segments longitudinally striated, the following smooth,
POSH 2s. ee Poets ae sone eae a ares Se eee C. STRIATA, Sp. DOV.”

Two basal abdominal segments striated; first and second funiclar joints very —
long, slender; third and fourth stouter, the third longer than thick; |

2. Brownish-yellow.

Head pale, concolorous with the rest of the body.
Abdomen banded with black or fuseous. ....-.-----.C. CINCTIVENTRIS Ashm,
Abdomen not banded; apex of horn and tip of abdomen black or fuscous. :

C. rUBRIcLAVA Ashm, —

Head black or fuscous).. 225.2 23oc 5-3 ose ee eee eee C. MARLATTII, sp. NOV.

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDZ. 213
Caloteleia striata, sp. noy.

9. Length, 2.6™", Black, lustrous, rather closely punctate; head
quadrate, with a polished, impunctate spot on the frons. Antenne
12-jointed, brown, the base and tip of scape and the tip of pedicel,
yellowish; pedicel rather long; first funiclar joint slightly longer and
slenderer than the pedicel; second, about half the length of the first
and a little stouter; third and fourth, transverse; club 6-jointed, all
the joints transverse. Thorax without furrows. Legs rufous, the
coxe black. Wings hyaline, the venation brown; there is a distinct
basal vein; the marginal is very short, about one-third the length of
the stigmal, while the stigmal ends in a small knob, the postmarginal
being very long. Abdomen long, pointed, fusiform, about thrice the
length of the thorax, the basal segment with a distinct blunt horn at
base, and it as well as the second and third segments are distinctly
longitudinally striated; ali the following segments are smooth, shining.

Hapsrrat.—Washington, D.C.

Type in National Museum.

Deseribed from a single specimen,

Caloteleia Heidemannii, sp. nov.
(Blbexcthiow lego.)

?. Length, 2.4™™, Elongate, slender, black, shining, punctate;
head subquadrate; mandibles and palpi yellow; legs rufous, the tro-
chanters, knees, tips of tibive and tarsi yellow, the cox black, shin-
ing, impunctured. Antenne 12-jointed, piceous, the tips of the seape,
pedicel, and funiclar joints yellow, the club black; pedicel and first
funiclar joint very long, nearly of an equal Jength, the latter the slen-
derer; second funiclar joint one-third shorter than the first; third and
fourth stouter, the third longer than thick, the fourth quadrate; club
a little thicker than last two funiclar joints, long, cylindrical, the joints

subquadrate. Mesonotum without furrows. Mesopleura with a deep
femoral groove, pubescent, sparsely punctate. Wings subhyaline, the
marginal vein short, scarcely one-third the length of the rather long
stigmal vein; basal nervure distinct. Abdomen long, pointed, fusiform,
black, shining, the first and second segments striated, the following
smooth, polished, impunctured.

HABITAT.— Virginia.

Type in Coll. Ashmead.

Described from a single specimen collected by O. Heidemann. Al.
lied to C. striata, but quite distinet by the shape of the head, relative
length of fiuiclar joints, and the sculpture of the abdomen.

Caloteleia cinctiventris Ashm.
Beoneura cinctiventris Ashm., Ent. Am., 11, p: 99) 2; Cress, Syn. Hym., p. 313.

¢. Length, 1.80", Brownish-yellow, closely, minutely punctate;
abdominal segments at base barred with black or fuscous; legs pale;

214 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

the femora and tibisx very slightly obfuscated. Head transverse, with
a fuscous spot on vertex. Antenne 12-jointed, the scape and fuanicle
pale brown, the club black; first funiclar joint slightly shorter than the —
pedicel, or a little longer than thick; second, shorter; third and fourth
minute, transverse; club fusiform, the joints short, transverse. Wings —
hyaline, with a.band below the punctiform marginal vein. Abdomen —
long, fusiform, minutely punctate; the short horn on first segment
black, shining; base of the following segments black or fuscous.

HaAsirat.—Jacksonville, Fla.

Type in Coll. Ashmead.

This pretty little species is quite distinct from all the others, in size,
in the banded anterior wings, and in the banded abdomen. It was
originally described in the genus Baoneura on account of the puncti-—
form marginal vein.

Caloteleia rubriclava Ashm.
Acolus rubriclavus Ashm., Ent. Am. 111, p. 99; Cress. Syn. Hym., p. 313.

?. Length, 3°". Pale brownish-yellow; the short horn at base of
abdomen black; eyes and ocelli brown. Antenne 12-jointed, pale; the
club large, subsolid, inarticulated, reddish-brown; first funiclar joint
shorter than the pedicel; the three following very short. Mesonotum
closely, minutely punctulate, with 2 delicate furrows. Wings hyaline,
the marginal vein very short. Abdomen long, pointed-fusiform, the
first three segments longitudinally striated, the third apically, and the
following, smooth, shining.

HABITAT.—Jacksonville, Fla.

Type in Coll. Ashmead.

This species is quite distinct from the others in color, and in having
a subsolid club.

Caloteleia Marlattii, sp. nov.

62%. Length,2.8to 3.2°". Brownish-yellow, closely, minutely punc-
tulate; the head black or fuscous, the lower partof cheeks and face often —
pale, especially in the female; the first and apical abdominal segments
in the male black or fuscous.

Antenne 12-jointed, brown-black; in ¢ filiform with the seape pale,
the first funiclar joint a little longer and thicker than the pedicel, the
second a little shorter than the third, and both shorter than the first, —
the joints beyond oval-moniliform, loosely joined; in 2 terminating in a
large 6-jointed club, the second funiclar joint about half the length of
the first, the third and fourth subquadrate.

Mesonotum with 2 delicate furrows, punctate. Wings hyaline, pu-
bescent, the marginal vein slightly thickened, short; the stigmal vein
short and ending in a knob.

Abdomen long, fusiform, much narrowed at base, the first segment

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 215

being long, petioliform, linear, the three basal segments longitudinally
striated, the striations on the third fainter than on the other two, smooth
laterally and at apex; rest of the abdomen smooth.
HABITAT.—Kansas, Illinois, and New Jersey.
Type in Coll, Ashmead and National Museum.

BARYCONUS Forster.
Hym. Stud., m1, p. 101 (1856).

Head subquadrate or quadrate, roundedly emarginated posteriorly;
ocelli 3 in a triangle, the lateral very close to the eye; eyes large,
oval, pubescent.

Antenne inserted just above the clypeus, 12-jointed in both sexes,
in 2? terminating in a 6-jointed club, the last funiclar joint transverse;
in é long, filiform, the first flagellar joint longer than the third.

Maxillary palpi 4-jointed; labial palpi 3-jointed.

Mandibles tridentate.

Thorax ovoid, the prothorax not or scarcely visible from above; meso-
thorax with or without furrows; metathorax short, emarginate poste-
riorly, with delicate keels laterally.

Front wings with a long marginal and a very long postmarginal vein,
the marginal being usually twice as long as the stigmal, oblique, clavate,
sometimes a little curved; basal vein usually distinct, rarely subobso-
lete.

Abdomen long, linear, or fusiform, and not so much narrowed at base
as in Caloteleia, the basal segments in 2 with a horn at base extending
forward over the metathorax, sometimes reduced to an elevated convex
prominence.

Legs long, the femora and tibize subclavate; the tibial spurs 1,1,1;
all tarsi slender, much longer than their tibia.

Forster’s type of the genus appears never to have been described.
The genus is closely allied to Caloteleia, but is readily separated by the
longer marginal vein and the difference pointed out in the abdomen.
It is parasitic on the eggs of white tree crickets, Oecanthus.

Baryconus cecanthi, sp. nov. Riley.
(ib iEx Bio25 9)

“32. Length, 2.5 to 3™™. Black, closely punctate, subopaque and
sparsely covered with a sericeous down. Head quadrate; eyes pubes-
cent; antenne 12-jointed, black; in ¢ filiform-submoniliform, the first
and second funicular joints elongate, about equal, thrice as long as
thick; third slightly shorter; fourth half the length of third; joints
beyond to the last, moniliform; the last fusiforin, twice the length of
the penultimate; in 2 terminating in a long 6-jointed club.

216 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

“Thorax punctate, without furrows; legs black, the base of the tibize
and tarsi brownish; wings hyaline, pube:cent, the venation brown, the
marginal vein longer than the stigmal, the latter ending in a small
knob. Abdomen twice as long as the head and thorax together, linear-
fusiform, lineatedly rugulose, the apex of the horn in the female pol
ished.

“ HABITAT.—Lincoln, Nebr.

“Type in National Museum.

‘This species was reared by Prof. L. Bruner from the eggs of Oecan-
thus niveus, and probably is the insect that Mr. Howard Ayers treats
under the genus Teleas in his biological study published in Memoirs
Bost. Soc. N. H., vol. 111, p. 225, 1884.”—| From Riley’s MS.|

MACROTELEIA Westwood.

Proc. Zod]. Soc., 1835, p. 70.
(Type M. cleonymoides Westw.)

Head transverse, subquadrate, broader than the thorax, the frons
convex, the occiput slightly emarginate; ocelli 3 in a triangle, the lat-
erai touching the eye; eyes oval, bare.

Antenne inserted just above the clypeus, 12-jointed in both sexes,
in 2 clavate, the club large, 6-jointed; in ¢ long, filiform, the first
flagellar joint scarcely longer than the third, the third excised.

Maxillary palpi short, 4-jointed; labial palpi 3-jointed.

Mandibles tridentate.

Thorax ovate, the prothorax slightly visible from above; mesothorax
with or without furrows; scutellum semicircular; metathorax not very —
short with two carine above, diverging posteriorly, and with delicate
lateral carine.

Front wings with a long marginal vein nearly twice the length of —
the stigmal, the postmarginal greatly lengthened, the stigmal vein ob-
lique, usually with a little knob and sometimes with a radial branch —
from its tip; basal vein sometimes present, usually obsolete.

Abdomen sessile, greatly elongated, fusiform or linear, projecting be-
yond the tip of the wings when folded, the first four segments nearly —
equal.

Legs as in Baryconus, the tibial spurs 1, 1, 1, distinct, the basal joint
of hind tarsi less than thrice as long as the second. e
fusiform abdomen. Species occur with and without parapsidal furrows, |
and with and without a basal nervure, and these characters can be used _
to separate the genus into sections. If the species become numerous #
they might be entitled to generic value. The genus is parasitic on the —
eggs of the locustid genus Orchelimum. .

Distinguished by the long marginal nervure and the greatly elongate,

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 217

TABLE OF SPECIES,
FEMALES.
Abdomen more than five times as long as the head and thorax united, the
three basal segments coarsely lineatedly sculptured, the rest
more finely striated and punctate; scape and legs yellow,
M. MACROGASTER, sp. nov.
Abdomen scarcely thrice as long as the head and thorax united.
Coxe black; abdomen with a lineated sculpture basally, the apical seg-
ments almost smooth but still faintly punetate..M. rLORIDANA Ashm.
Coxew pale; abdomen withathimble-like punctation....M. VIRGINIENSIS, sp. nov.

Macroteleia maciogaster, sp. nov.

(PL. 1x, Fig. 6, 3.)

69. Length, 2, 8"; 3, 4.60". Brown-black, pubescent, with
round punctures; six basal joints of 2 antennz and legs, except coxe,
brownish-yellow; the pedicel and the first funiclar joint very long, the
latter the longer; second funiclar joint one-half the length of the first;
third and fourth, short, subequal; club rather slender, the joints, ex-
cept the last, a little wider than long; the ¢ antenne are filiform; the
pedicel greatly elongate, as long as the first and second funielar joints
together, the joints beyond a little more than twice as long as thick.
Mesonotum with 2 furrows. Scutellum short, transverse, with a row
of punctures behind. Metanotum very short, the abdomen being in-
serted just back of the post-scutellum on a line before the insertion of
hind cox. The abdomen in both sexes is very long, in the 2 meas-
uring 5°" in length and more than twice the length of the wings when
folded, with coarse, rounded punctures and little raised lineations;
after the third segment the punctures are smaller and the surface is
smoother. Wings fusco-hyaline, the marginal vein about 14 times as
long as the stigmal, the latter ending in a small knob, the postimar-
ginal very long.

HABITAT.—Texas.

Types in Coll. Ashmead.

Described from 1 ¢,1 2° specimen.
Macroteleia floridana Ashm.
(Rite ine Gir)
Beoneura floridana Ashm., Ent. Am., 111, p. 99; Cress. Syn. Hym., p. 313.

62. Length, 3.5 to 4". Slender, greatly elongated, black, rugoso-
punctate, and sparsely pubescent. Antenne dark-brown, the scape
pale; first funiclar joint in ? longer than the pedicel, the second slightly
smaller, the third still shorter, the fourth wider; club 6-jointed, large.
In ¢ the pedicel and first funiclar joint about equal, the second short,
the third a little dilated, slightly emarginated at base, the following
submoniliform, slightly longer than thick. Mesonotum with 2 dis-
tinct furrows, the metanotum with 2 delicate keels on disk, sometimes
with a tuft of pubescence between. Wings hyaline, very slightly

218 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

tinged, pubescent; marginal vein about twice as long as the stigmal,
the postmarginal very long. Legs brownish-yellow; in 2 with the
coxe black. Abdomen, in 2, long fusiform, in ¢ long, linear, scarcely
widened at the middle, extending far beyond the wings when folded,
and about thrice as long as the thorax; first and second segments
striated and punctate, the following segments punctate and faintly
rugose.

HABITAT.—Florida; Virginia.

Types in Coll. Ashmead.

Macroteleia virginiensis, sp. nov.

?. Length, 4™". Black, shining, with thimble-like punctation;
head transverse-quadrate; eyes very large, rounded, pubescent. An-
tenn 12-jointed, clavate, brown-black, the scape brownish-yellow;
first funiclar joint long, one-third longer than the pedicel, the second
two-thirds the length of the first, the third and fourth subequal, but
still longer than wide; elub 6 jointed, gradually thickened from the
fourth funiclar joint, long, gradually tapering off at both ends.

Mesonotum with two distinct furrows. Scutellum smoother, sparsely
punctate. Metathorax with a median keel. Wings hyaline, the mar-
ginal vein twice the length of the stigmal, the latter rather short, end-
ing in a knob; basal nervure wanting. Legs, including cox, reddish-
yellow. Abdomen pointed, fusiform, about twice as long as the head
and thorax united, with close, thimble-like punctures, some of which
are elongated and with raised lines, the first segment striolated, the
suture between the first and second crenate; the first and second seg-
ments are about equal in Jength, a little shorter than the third and
fourth, which are also equal.

HABITAT.—Arlington, Va.

Type in Coll. Ashmead.

Since this description was drawn up specimens of this species were
reared by Dr. Riley, in the Department of Agriculture, from the eggs
ot Orchelimum glaberrimum.

CALLISCELIO Ashm., gen. nov.
(Type, C. laticinctus.)

Head transverse, the frons convex, the face not impressed, occiput
and cheeks delicately margined; ocelli 3, large, in a triangle, the lateral
touching the eye; eyes very large, oval, bare.

Antenne inserted at the elypeus, 12-jointed in both sexes, in 2 with
a 6-jointed club, all the funiclar joints elongate; in-é filiform, the first
flagellar joint long, joints 4 to 10 submoniliform.

Mandibles bidentate.

Maxillary palpi 4-jointed; labial palpi 3-jointed.

Thorax ovate, rounded before, the prothorax slightly visible from
above, the mesonotum with two distinct furrows, scutellum semicireu-
lar, convex; metathorax short, carinated laterally.

Pe ee

Wibittiesife mocrrarnney on Leconte th abe. Sia hears

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDE. 219

Front wings with a distinct basal nervure, the marginal vein long,
fully twice as long as the stigmal, the latter oblique, knobbed at tip,
basal vein distinct.

Abdomen pointed fusiform, much narrowed at base, the tip project-
ing a little beyond the wings when folded, first segment linear, petiol-
iform, not quite as long as the second, which is the longest segment;
third segment two-thirds the length of the second; the fourth a little
more than half as long as the third; fifth subequal with fourth; sixth
conical, about as long as the third.

Legs long, slender, the tibial spurs 1, 1, 1, weak, the basal joint of
hind tarsi nearly four times as long as the second.

Allied to Macroteleia, but separated by the bidentate mandibles,
more transverse head, and narrower petiole.

Calliscelio laticinctus, sp. noy.
(BE uxsyt'o:07/,)2).)

?. Length, 2.5"". Head black; face, clypeus, mandibles, and palpi,
pale; thorax rufous or brown, the metathorax black; legs yellowish,
posterior coxe and femora obfuscated above; abdomen fusiform, much
longer than the head and thorax together, piceous-brown, the basal
one-third of second segment, and basal one-half of third, yellow; pet-
iole, the apical two-thirds of second, and the three apical segments
black; the petiole is nearly three times as long as thick, of a uniform
width throughout, longitudinally striated; the second segment is the
longest, about one-half longer than the first, broadened at apex to
three times its width at base, its basal half longitudinally aciculated;
the third segment is two-thirds the length of the second; the fourth,
two-thirds the length of the third; the fifth, a little more than half the
length of the fourth; the sixth, conical, about as long as the third.
Head transverse, finely punctate. Antenne 12-jointed, brownish-yel-
low, the club 6-jointed, black; the first and second funiclar joints are
long, cylindrical, subequal, the third two-thirds the length of the see-
ond, stouter, the fourth about one-half the length of the third and
thicker. Thorax with small, sparse punctures. Wings with the basal
half hyaline, the apical half, except the margin, fuscous; venation
brown; the basal nervure distinct, the marginal nervure 3 times as
long as the oblique stigmal, the latter terminating in a rounded knob,
the postmarginal longer than the marginal.

HABITAT.—St. Vincent, West Indies.

Types in British Museum and National Museum.

Described from 6 2? specimens, collected by Herbert TH. Smith.
CHROMOTELBEIA Ashm., gen. noy.
(Type, ©. semicyanea. )

Head large, transverse, rounded before, the occiput delicately mar-
gined, scarcely emarginate, the vertex not very broad; ocelli 3, trian-

220 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

gularly arranged, the laterals touching the eye; eyes very large, ovate,
bare.

Antenne inserted on the clypeus, 12-jointed in both sexes; in 2 cla-

vate, the club large, 6-jointed, the funiclar joints elongate, the first the
longest; m ¢ long, filiform.

Maxillary palpi 4-jointed; labial palpi 3-jointed.

Mandibles tridentate.

Thorax ovate, produced into a little neck anteriorly, the prothorax
visible from above as an arcuate line; mesothorax with 2 distinet
grooved lines; scutellum semicircular, with a ridge behind; metanotum
with a semicircular inclosed space at base, the sides carinated.

Front wings with the submarginal vein distant from the costa, curv-
ing, and joining it at about the middle of the wing; marginal vein
punctiform; the postmarginal very long; stigmal rather long, oblique,
ending in a little knob; basal vein distinct, with a basal cell.

Abdomen very long fusiform, extending beyond the tip of the wings
when folded, the second, third, and fourth segments longer than the
rest, the fourth a little the shortest.

Legs as in Macroteleia, tibial spurs 1,1, 1, basal joint of hind tarsi
about 4 times as long as the second.

e

A beautiful and distinct genus, remarkable for the large, semicireu-
lar inclosure on the metanotum, which, in connection with the vena-
tion, renders the genus easy of recognition.

Chromoteleia semicyanea, sp. nov.

(Pl. rx, Fig. 3, 9.)

$2. Length, 4.5 to 5™", Head and thorax cyaneous, punctate;
abdomen sessile, very long, pointed fusiform, ochraceous, punctate, the
first and second segments striated; first segment a little more than half
the length of the second; second and third long, equal, the three fol-
lowing segments shorter, subequal, the last two very minute. An-
tenn black, the scape yellow; in 2 ending in a 6-jointed club, the
first funiclar joint the longest, about one-half longer than the second and
not quite twice the length of the pedicel, the third funiclar joint sub-
equal with the second, the fourth a little longer than thick and stouter
than the third; in ¢ subfiliform, the first funiclar joint twice the length
of the pedicel, the joints after the third, except the last, about equal in
length, less than twice as long as thick, the last longer, ovate. Wings
fuscous, the nervures brown, the marginal vein punctiform, the basal
nervure distinet, the stigmal a little curved, ending in a small knob.

HABITAT.—St. Vincent, West Indies.

Types in British Museum and National Museum.

Described from 1 ¢ and 1 2 specimen collected by Herbert H.Smith.

wi

°

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDAE. 221

OPISTHACANTHA Ashm., gen. noy.
Raia Ashm., MS. (Olim.).
(Type, O. mellipes Ashin.)

Head transverse, the occiput and cheeks delicately margined; ocelli
3, triangularly arranged, the lateral close to the eye; eyes large, oval,
pubescent.

Antenne inserted at the elypeus, 12-jointed in both sexes, in the 9
short, clavate, the club 6-jointed, the last funiclar joint very minute; in
6 filiform, submoniliform.

Mandibles bidentate.

Thorax short, ovoid, the prothorax not visible from above; mesono
tum with 2 delicate but distinct furrows; scutellum semicircular; post-
scutellum produced into a short, acute spine; metathorax very short,
angles subacute.

Front wings ciliated, the submarginal vein reaching the costa a little
before half the length of the wing; marginal vein short, not half the
length of the stigmal; postmarginal greatly lengthened; the stigmal
vein oblique, knobbed; basal vein and basal cell present.

Abdomen oblong-oyal, the second and third segments the longest,
the third a little longer than the second.

Legs slender, the tibial spurs 1, 1, 1, weak, the basal joint of hind
tarsi about 4 times as long as the second.

In general appearance this genus closely resembles a Telenomid, but
the venation, carinated abdomen, and the spined postscutellum readily
distinguish it.

Opisthacantha mellipes, sp. noy.
(Bisex; Bios 4. 0.)

62. Length, 1.40". Black, subopaque, the punctuation so fine
as to be scarcely perceptible. Head transverse, broader than the
thorax. HEyes very large, pubescent, the space between them narrow.
Lateral ocelli close to the eye. Mandibles 5-dentate, brown. Antenne
12-jointed, brown-black, the scape yellow; in ? clavate, pedicel small,
the first funiclar joint slightly longer than the pedicel, about twice. as
long as thick; the second and third moniliform, the fourth very minute;
the club large, the joints scarcely separable, transverse; in ¢ fili-
form, the pedicel moniliform, the first and third funiclar joints about
equal, long-oval, the second small, the joints from the fourth to the
twelfth oval-moniliform, the last ovate, longer than the preceding.
Mesonotum with two nearly parallel furrows. Scutellum subconvex,
with a transverse line at base. Post-scutellum armed with an acute
spine or thorn. Legs pale honey-yellow. Wings hyaline, the venation
pale brown; the basal nervure delicate, but distinct; the marginal,
about as long as the stigmal; the stigmal rather short, oblique, and
ending ina knob; postmarginal vein very long. Abdomen long-oval,
longer than the head and thorax together; black, with a brownish tinge

222 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

at the middle, the first three segments longitudinally striated, the fol-
lowing segments smooth, polished.

HaApiratT.—Washington, D. C.

Types in Coll. Ashmead.

Besides the above species, I have seen others from South America
and the West Indies.

LAPITHA Ashm., gen. noy.
(Type L. spinosa Ashm.)

Head large, transverse, the occiput and cheeks delicately margined ;
ocelli large, in a triangle; eyes long-oval, bare.

Antenne inserted close to the clypeus, 12-jointed in both sexes; in @
clavate, the club 6-jointed; in ¢ filiform, the flagellar joints all long,
cylindrical.

Maxillary palpi 4-jointed; labial palpi 3-jointed.

Mandibles 3-dentate.

Thorax ovoid, the prothorax not visible from above; mesonotum
without distinct furrows, indicated only slightly anteriorly; scutellum
large, semicircular, margined behind; metascutellum produced into an
acute spine; metathorax short, emarginated, the sides carinated.

Front wings with the submarginal vein reaching the costa beyond
the middle of the wing, the marginal vein long or as long as the stig-
mal; the latter clavate, slightly obliquely curved, the postmarginal
longer than the marginal.

Abdomen fusiform, the first three segments nearly equal, the fourth
a little more than half the length of the third, the fifth still shorter,
the sixth and seventh short, equal.

Legs long, the femora and tibiz subclavate, the tibial spurs 1, 1, 1,
distinct, the tarsi longer than their tibie, the basal joint very long,
about five times as long as the second joint.

Allied to Opisthacantha, but of a larger, more elongate form, the
head differently shaped, the venation totally different, the basal
nervure being more oblique, the stigmal nervure shorter, the post-
seutellar spine longer, more acute, while the abdomen is longer, fusi-
forin, and more narrowed at base.

Lapitha spinosa, sp. nov.
(Qube ldtebicyes))

é. Length, 3.5". Head and thorax finely, closely punctulate,
brownish-yellow; metathorax with oblique carine extending from base
of postscutellum; postscutellum produced into an acute spine. Legs
yellow. Abdomen fusiform (extending slightly beyond the tip of the
wings when folded), black, closely punctate, sometimes the basal half
of third segment yellow; the first and second segments are striate, the
latter with punctures in the strie; first segment a little longer than
wide, very slightly wider at apex than at base} second and third seg-

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDE. 223

ments the longest, about equal in length; fourth, the length of the
first; fifth, two-thirds the length of the fourth; sixth, half the length
of fifth; seventh very short, smooth basally; eighth subtriangular,
margined, Antenne filiform, dark brown, the scape and pedicel yellow;
second, third, and the last joint of flagellum about equal in length;
first and fourth about equal, shorter than the second; joints beyond
very slightly shorter. Wings hyaline, with a large smoky blotch below
the postmarginal vein; nervures fuscous; basal nervure distinet; mar-
ginal nervure as long as the shaft of the stigmal, the latter oblique,
clavate at tip.

HABITAT.—St. Vincent, West Indies.
Types in National Museum and British Museum.

Described from 4 ¢é specimens collected by Herbert H. Smith.
CACUS, gen. nov. Riley.
(Type C. wcanthi Riley.)

“Head subquadrate, emarginate behind, the occiput feebly margined ;
ocelli 3, triangularly arranged, the lateral close to the eye; eyes ovate,
bare.

“Antenne inserted at the clypeus, 12-jointed in both sexes; in @ ela-

vate, the club 6-jointed, the last funicular joint usually transverse, the
others longer than wide; in ¢ filiform, the third funicular joint a little
dilated and emarginate toward base.

‘‘Mandibles short, either tridentate or bifid at tip.

“Maxillary palpi 3-jointed; labial palpi 2-jointed.

“Thorax ovate, narrowed before, the prothorax slightly visible from
above; mesonotum most frequently without furrows, rarely with dis-
tinct furrows; metathorax not especially short, with two lateral keels,
a median prominence or carina, and with usually two small erect teeth
at apex, above the insertion of the abdomen.

“Front wings with the submarginal vein joining the costa a little be-
yond the middle of the. wing, the marginal vein variable, scarcely half
the length of the stigmal, or much longer; the latter oblique, termi-
nating in a knob; the postmarginal vein very long, the basal vein sub-
obsolete.

“Abdomen much as in Baryconus, but the female without the horn-
like projection at base.

“Legs as in Baryconus, the tibial spurs 1, 1, 1, the middle and hind
pairs weak, tarsilong and slender, the basal joint more than four times
the length of the second.”—[ From Riley's ALS. |

It is probable that under this genus Dr. Riley has ineluded two distinet
genera, one distinguished by having 3 dentate mandibles, the other in
having the mandibles bifid or 2-dentate, but otherwise they are so
similar that for the present I believe it best to follow him in consider-

224 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

e
ing the species congeneric. The type of the genus, Cacus ecanthi Riley,
has 3-dentate mandibles. Those with 2-dentate mandibles are from
South America and the West Indies, and are not included here.
The only species whose parasitism is known was bred by Prof. F. M.
Webster from the eggs of Oecanthus niveus De Geer.

Cacus cecanthi, sp. nov., Riley.
(Pl. Xvi, Fig. 6, 9.)

“3 2. Length, 2 to 2.20". Black, subopaque, closely punctate, and
covered with a fine, sericeous down. Head quadrate, the cheeks
large, swollen, with strie converging toward the mouth; mandibles
and palpi, pale; antennz with the base and apex of scape and two
last funicular joints pale; pedicel rather long, thicker than the first
funicular joint; the latter longer and slenderer than the pedicel;
second funicular joint one-third shorter than the first; third and fourth
transverse. Thorax without mesonotal furrows; metathorax with a
central carina and margined at apex; legs pale rufous, the coxe
slightly dusky basally; wings hyaline, the marginal vein about half
the length of stigmal, the latter knobbed at tip, the postmarginal vein
long. Abdomen long, sublinear, narrowed at base, about one-third
longer than the head and thorax together, and extending beyond the
tip of the wings when folded; first segment petioliform, striated, the
second and third longitudinally shagreened, nearly equal in length, the
following microscopically sculptured.

‘The ¢ agrees with the female very closely in shape, but the three
basal abdominal segments are striated and the antenne are filiform,
brownish-yellow, the first and second funicle joints being about equal,
thrice as long as the pedicel, the third one-third shorter than the sec-
ond, the following to the last very slightly shorter and almost equal in
length, the last pointed, fusiform, and as long as the third flagellar
joint.

‘ FABITAT.—Lafayette, Ind.

“Types in National Museum.

‘Bred by Prof. I’. M. Webster, May 31, 1881, from the eggs of Gvcan-
thus niveus.”"—[ From Riley’s MS. |

Anteris Forster.
Hym. Stud., 1, p. 101 (1856).
(Type 4. rufitarsis Forst.)

Head transverse, the face convex or subconvex, not, or but slightly,
impressed above the antenne, the occiput and cheeks delicately mar-
gined; ocelli 3, triangularly arranged, the lateral about their width
from the border of the eye; eyes oval, usually pubescent.

Antenne inserted at the clypeus, 12-jointed in both sexes, in 2 cla-

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDE. 225

vate, the club 5 or 6 jointed, subsolid, in ¢ filiform, submoniliform, the
second flagellar joint shorter than the first or third.

Mandibles bifid at tips.

Thorax ovoid, the prothorax rounded before, not, or scarcely, visible
from above, except the Jateral angles; mesonotum broader than long,
with two distinct furrows; scutellum semicircular, subconvex, with a
punctate frenum behind; metathorax short, carinated at apex.

Front wings with the submarginal vein reaching the costa a little
beyond the middle of the wing, the marginal vein usually a little thick-
ened, although linear and scarcely as long as the short stigmal, the lat-
ter knobbed at tip, the postmarginal vein very long; basal nervure
wanting or subobsolete.

Abdomen oval or oblong oval, the first three segments nearly equal,
the third, usually a little the longest.

Legs with all femora and the anterior tibiz clavate, tibial spurs 1, 1, 1,
the basal joint of hind tarsi thrice, or a little more than thrice, as long
as the second.

The distinct parapsidal furrows, transverse head, short or puneti-
form marginal vein, and absence of the horn at base of abdomen dis-
tinguish the genus.

Two species in our fauna can be thus tabulated:

Thorax and abdomen, except sometimes the tip, brownish-yellow. ...--..----- 2
Mostly black, the collar, pleura, and base of abdomen pale.
Semtolumesmoouhwhiohine polished. seese es ose ees sae sel A. VIRGINIENSIS.
2. Head black or fuscous.
Scape, mandibles, and legs yellowish -.....-.....---..----.------ A. NIGRICEPS.

Anteris virginiensis, sp. nov.

é. Length, 1.20"". Black, shining; head transverse; mesonotum
very faintly punctate, in marked contrast to the highly polished seu-
tellum; collar, pleura, and base of abdomen rufous or yellowish; man-
dibles rufous. Antenne 12-jointed, filiform; scape as long as the first
three flagellar joints united; pedicel small, round; first funiclar joint
the longest, about twice as long as the second; the following joints
about equal, longer than the second, but not quite as long as the first.
Mesonotum with two distinct furrows. Scutellum semicircular, smooth,
polished. Metathorax very short, polished, its posterior margin cari-
nated. Legs,ineluding cox, honey-yellow. Wings hyaline, iridescent,
the marginal vein thick, as long as the stigmal, the latter oblique, end-
ing in a knob, the postmarginal about three times as long as the mar-
ginal, the basal vein subobsolete. Abdomen long-oval, as long as the
head and thorax together, smooth, polished, the first segment and the
second, at base, striated; the first segment is yellowish, the third the
largest, about one-third longer than the second, or a little more than
twice as long as the fourth.

21899—No. 45 15

226 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

HABITAT.— Virginia.
Type in National Museum.

Described from a single specimen taken by Mr. Theo. Pergande, Oc-
tober 10, 1880.

Anteris nigriceps, sp. nov.
(Px Pigs 2. os)

62. Length, 1.8 to 2.1". Head and thorax closely, minutely pune-
tate; three basal abdominal segments striated. Head and abdomen
black, the petiole and second segment at base, yellow, sometimes fus-
cous or black; mandibles pale, the teeth black; thorax and legs brown-
ish-yellow; in 2 the scutellum and metathorax fuscous or black, rarely
so in 6; mesonotum with 2 furrows. Antenne 12-jointed, black, the
seape yellow, sometimes the pedicel in female yellow; in the @ the first
funiclar jointis long, longer than the pedicel, the second scarcely half as
long as the first, the third very slightly shorter than second, the fourth
transverse, club long, fusiform; in 4 filiform, the first funiclar joint about —
twice as long as the pedicel, the third shorter, emarginated at base, the
second shorter than the third, the joints after the third oblong oval,
about twice as long as thick. Wings hyaline or subhyaline; the mar-
ginal vein punctiform or about twice as long as thick, the stigmal vein
oblique, ending in a distinct rounded knob.

Hapsrrar.—Jacksonville, Fla., and Arlington, Va.

Types in Coll. Ashmead.

Described from several specimens.
APEGUS Forster.
Hym. Stud., 1, p. 101 (1856).
(Type A. leptocerus Forst.)

Head transverse quadrate or subquadrate, the occiput concave, mar-
gined; ocelli 3, triangularly arranged, the lateral a little away from the
margin of the eye; eyes large, oval, bare.

Antenne inserted just above the clypeus, 12-jointed, filiform in both
Sexes.

Maxillary palpi 4-jointed; labial palpi 3-jointed.

Mandibles 3-dentate.

Thorax long ovoid, the prothorax visible from above, especially later-
ally; mesonotum with 2 distinct furrows, abbreviated anteriorly; scu-
tellum short, with a row of punctures posteriorly; metathorax short,
with the dorsum bicarinated.

Front wings with the marginal vein usually longer than the stigmal,
the postmarginal greatly lengthened, the stigmal oblique, with a slight
knob at tip; basal vein wanting.

Abdomen sessile, fusiform, always much longer than the head and
thorax together, all the segments lengthened, the second and third the
longest, the first and second with lateral dorsal carine.

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDEH. 227

Legs rather long, the femora clavate, tibize long, subelavate, tibial
spurs 1, 1,1, distinct, the tarsi lengthened, slender, the basal joint more
than thrice as long as the second.

This genus is closely allied to Macroteleia, but is distinguished by
filiform antenne in both sexes.

Apegus elongatus Ashm.

Anteris etongatus Ashm., Ent. Am., tI, p. 118; Cress. Syn. Hym., p. 314.

6. Length, 4.5™™. Elongate, linear, black; the head, thorax, and
abdomen with round punctures, sparsely covered with a whitish pu-
bescenee; cheeks bulging, rugoso-punctate. Mandibles 3-dentate, pale
brown. Mesonotum with 2 furrows. Scutellum short, with a row of
large punctures posteriorly. Metathorax coarsely furrowed, with two

carine on the disk and lateral keels. Antenne 12-jointed, filiform,

pale brownish-yellow, the tips fascous; first funiclar joint a little longer
than the pedicel; second shorter; third slightly emarginated at base,
the following, except the last, moniliform, scarcely longer than thick,
the last longer than the penultimate. Legs brownish-yellow, the pos-
terior cox a little dusky at base. Wings fusco-hyaline, the venation
brown; the submarginal] vein is very long, the marginal about twice as
long as the stigmal, the postmarginal very long. Abdomen fully twice
as long as the head and thorax united, punctate, segments 1, 2, and 3
dorsally towards sides, carinated, the second and fourth segments
about equal, the third a little longer.

HaApirat.—Florida.

Type in Coll. Ashmead.

HOPLOTELBEIA Ashm., gen. nov.
(Type H. floridana Ashm.)

Head transverse-quadrate, the cheeks margined, the face with a deep
impression above the antenne; ocelli 5, in a triangle, the lateral close
to the margin of the eye; eyes large, oval.

Antenne inserted close to the mouth, 12-jointed in both sexes; in @
clavate, in 6 filiform.

Maxillary palpi short, 4-jointed; labial palpi 3-jointed.

Mandibles 3-dentate.

Thorax ovoid, the prothorax slightly visible from above; mesonotum
with 3 distinet furrows; scutellum large, semicircular; postscutellum
with 2 erect teeth; metathorax short, the hind angles slightly prom-
inent.

Front wings, when folded, not extending to the tip of the abdomen,
the submarginal vein joining the costa a little beyond half the length
of the wing, the marginal vein very short, almost punctiform, the post-
marginal very long, the stigmal long, oblique, terminating in a small
knob; basal vein obsolete.

228 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Abdomen sessile, fusiform, the third segment slightly the longest; in
2 pointed at apex, in ¢ truncate, with 2 prongs.

Legs moderately stout, pilose, the tibial spurs 1, 1, 1, well developed,
the tarsi not, or but slightly, longer than the tibiz, the basal joint of
hind tarsi about 34 times as long as the second, with stiff bristles
beneath. ©

The three impressed lines on mesonotum, the spined postsecutellum,
and the venation separate the genus at once from all others, although
otherwise it resembles Baryconus and Macroteleia.

Besides the species described here from North America, I have
another species in my collection from South America. Nothing is
known of the habits of the genus.

Hoploteleia floridana Ashm.
(Pi. x, Pig. 4, 25)
Baryconus floridanus Ashm., Ent. Am., m1, p. 118; Cress. Syn. Hym., p. 314.

é 2. Length, 3.5 to 4™™. Brown-black, coarsely rugoso-punctate,
the middle of mesonotum smoother, closely punctate. Antenne 12-
jointed; in ¢ filiform, brown, the scape yellowish; pedicel triangular;
flagellar joints to fifth subequal, the first the longest, the third excised
at base; joints from fifth to last a little longer than the fourth; the
last 15 times as long as the penultimate; in 2 clavate, the club joints
broader than long. Mesonotum with 3 distinct furrows. Pleura im-
pressed, lineated. Seutellum rugose, with coarse, irregular punctures.
Postscutellum with two short, erect teeth. Wings subhyaline, tinged
with fuscous; in the ° the marginal vein is very short, about one-third
the length of the stigmal, or nearly punctiform; in the ¢ longer, fully
half the length of the stigmal; postmarginal vein very long; stigmal,
oblique, not curved, ending in a small knob. Legs brownish-yellow,
in 2 with the coxe black. Abdomen fusiform, sessile, lineatedly.
rugose, the basal segment deeply fluted, in 2 pointed at apex, in ¢
truncate and ending in two spines.

HabBitat.—Jacksonville, Fla.. and Arlington, Va.

Types in Coll. Ashmead.

The types of this species and genus were collected by myself in
Florida, but I have a ¢ taken in Virginia, and Mr. Herbert Smith has
taken another species in South America, so that the genus is widely
distributed.

CREMASTOBAUS Ashm., gen. nov.
(Type C. bicolor Ashm.)

Head transverse, the face convex, the vertex not very broad, rounded
off towards occiput, the latter a little emarginated; ocelli 3, triangularly
arranged, the lateral touching the eye; eyes very large, round, hairy.

Antenne inserted close to the clypeus, 12-jointed in both sexes, in

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDE. 229

2 short, clavate, the club large oval, compact, 5-jointed; in ¢ sub-
clavate, submoniliform.

Mandibles short, bidentate.

Maxillary palpi 4-jointed; labial palpi 3-jointed.

Thorax ovate, produced into a little neck anteriorly; the mesonotum
subconvex, without furrows; the seutellum semicircular; the meta-
thorax short, the angles not prominent.

Front wings with the submarginal vein joining the costa at about
half the length of the wing, the marginal vein short, linear, the post-
marginal very long, the stigmal short, oblique, clavate.

Abdomen fusiform, sessile, a little longer than the head and thorax
together, with the segments strongly constricted at the sutures, the
first the longest, the following subequal.

Legs with the femora and tibiwe subclavate, the tibial spurs well de-
veloped 1,1,1, the middle and posterior tarsi not longer than their
tibizw, the basal joint of hind tarsi about thrice as long as the second,

This genus is readily distinguished by the constricted abdominal
segments. I have species from South America and have seen others
from the West Indies, but no doubt the genus will be found to occur
also in our fauna.

Cremastobezus bicolor, sp. nov.

(Pl. x, Fig. 3, 2.)

62. Length, 1 tol... Head and thorax black, faintly micro-
scopically punctate, the punctation not destroying the luster of the
surface; eyes oval, pubescent; abdomen brownish-yellow, fusiform,
the segments strongly constricted at the sutures, the sutures cre-
nate; legs yellow. Antenne brownish-yellow, the club oval-rotund,
d-jointed, black; the first funiclar joint is the stoutest and longest joint,
the following to the club gradually subequal, the last two rounded, a
little transverse. Wings hyaline, the marginal vein a little longer than
the stigmal, the latter short, oblique, ending in a little knob; no trace
. of basal or anal nervures.

The ¢ is entirely black, with the scape, pedicel of antennie, and the
legs, yellow; the thorax more distinctly punctate; flagellum sub-filiform,
brown, pubescent, very slightly thickened toward tip, the joints, after
the first, submoniliform, scarcely longer than thick. .

HABITAT.—St. Vincent.

Types in National Museum and British Museum.

Described from one 2, three ¢ specimens collected by Herbert H.
Smith.

HADRONOTUS Forster.

Hym. Stud., 1, p. 101 (1856).
(Type H. laticeps Forst.)

Head transverse, usually very wide, the frons convex, the face with
an impression above the insertion of the antenne, cheeks margined;

230 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

ocelli 3, triangularly arranged, the lateral contiguous to the eye; eyes
large, oval, usually bare, sometimes pubescent,

Antenne inserted close to the mouth, 12-jointed in both sexes, in 9
clavate, the club 6-jointed, in ¢ filiform, pubescent.

Maxillary palpi short, 4-jointed; labial palpi 3-jointed.

Mandibles bidentate.

Thorax oval, truncate anteriorly, the angles of the prothorax alone
visible from above; mesonotum much wider than long, without furrows;
scutellum rather large, semicircular, convex; metathorax very short,
abrupt.

Front wings with the submarginal vein attaining the costa at about
half the length of the wing, or a little before; marginal vein variable,
punctiform, or rarely more than half the length of the stigmal, the latter
rather long, oblique.

Abdomen broadly oval, sessile, carinated along the sides, the second
segment the largest, the first and third about equal.

Legs with the femora and tibie subclavate, the tibial spurs 1, 1, 1,
distinct, the tarsilong, slender, the basal joint of hind tarsi about thrice
as long as the second.

This genus closely resembles Telenomus and could only be confused
with it, for, like that genus, it is found parasitic in the eggs of various
Hemiptera. It is, however, readily distinguished by the distinctly
carinated abdomen, the 12-jointed antenne in the females, the coarser
sculpture, and the more sessile abdomen.

It occurs in all parts of the world and is particularly well represented
in the South American and West Indian faunas, where no doubt it does
good service in diminishing the number of Hemiptera to be found there.

The several species found in the United States may be readily sepa-
rated by the aid of the following table:

TABLE OF SPECIES.

Species very coarsely, TULOSO- pum Cael jeri relal aise tale sce ee eee 2
Species smooth, at the most faintly punctate or shagreened, sericeous.
Coxe black or dusky, legs yellow, or pale brownish-yellow.
Head and thorax shagreened, the scutellum finely punctate.
Abdomen polished, the first and second segments faintly longitudinally
? aciculated, the second, without a row of punctures at base,
H. LARGI, sp. nov.
Head distinctly punctate, the thorax faintly punctate.

Abdomen closely, finely punctate, the basal and apical edges of all the seg-
ments smooth, polished, the first segment striate at base, the second
with a row of striate punctures at base..--... H. LEPTOCORISZ How.

Head and thorax closely, finely punctulate, opaque.

Abdomen smoother, shining toward apex, the first and second segment stri-

Sted) Vacs sees ae seme ee = ieee H. MYRMECOPHILUS, sp. nov.

2, Coxe and legs brownish-yellow.
Abdomen with coarse, longitudinal cribrate rugosities on all the segments,
smooth and polished along the sutures......-....H. RUGOsSUS How.

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 231

Abdomen cribrate rugose, the first segment with deep coarse striw, the follow-
ing smoother, the segments not smooth along the sutures.
H, FLORIDANUS Ashm.
Abdomen finely, evenly rugose, the first segment striate at base.

H. ANAS Ashin.
Coxe black, the legs brownish-yellow.

Head and thorax rather coarsely rugose, the thorax and abdomen very finely
rugoso-punctate, the mesonotum posteriorly slightly lineated; first
abdominal segment and the second, at base only, striated.

H. RUGICEPS, sp. nov.

Hadronotus largi, sp. nov.

69. Length, 0.80 tole". Black, opaque; head transverse, finely
shagreened; mandibles, palpi, antennal scape, apex of pedicel, and
legs, honey-yellow; cox slightly dusky. Antenne 12-jointed, clavate,
brown-black, except as before mentioned; pedicel longer than the first
funiclar joint; second and third funiclar joints not, or scarcely, longer
than wide; the joints beyond all transverse. Thorax with fine wavy
longitudinal rugze; scutellum almost smooth, the punctation being
microscopic. Wings hyaline, the venation yellowish, the marginal vein
short, scarcely half the length of the oblique stigmal vein. Abdomen
broadly oval, sessile, smooth, shining, the first and second segments
faintly fongitudinally aciculated.

In the ¢ the antenne are filiform, honey-yellow, the pedicel longer
than the first funiclar joint, the second funiclar small, the third en-
larged, stout, the joints beyond transverse, twice as wide as long,
subserrate, the last oval.

HABiratT.—Los Angeles, Cal.

Types in National Museum.

Described from several specimens bred by Mr. D. W. Coquillett,
from the eggs of Largus succinctus.

Hadronotus leptocorisze How.

Hubbard’s Orange Insects, App., p. 215; Ashm. Ent., Am. 1, p. 118; Cress. Syn.
Hym., p. 314.

9. Length, 1.4™™; expanse, 2.5™™, Head and thorax evenly covered with small
round punctures, except in the facial impression, which is transversely striate; an-
tenn subclavate; lateral ocelli nearly touching the margins of the eyes. Mesono-
tum a trifle smoother than the head, and furnished with a very fine white pubes-
cence. Firstsegment of the abdomen dorsally longitudinally striate; remaining seg-
ments closely covered with fine round punctures; ventral surface sparsely punctate.
Color brown; scape brown; all coxe black; all trochanters, femora, tibie, and
tarsi light brown; mandibles and wing veins light brown.

6. Length, 1.3™™; expanse, 2.8™™, Antenne filiform. In other characters re-
sembling the 9. (Howard.)

HABrratT.—Crescent City, Fla.
Types in National Museum.

Bred by Mr. H. G. Hubbard from the eggs of Zelus bilobus Say,
wrongly determined as the eggs of Leptocorisa tipuloides.

232 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.
Hadronotus myrmecophilus, sp. noy.

é. Length,1”". Head and thorax finely closely punctulate, opaque;
the apex of the abdomen smoother, shining, the two basal segments
punctate and striate, the following almost smooth. Head very wide,
the cheeks flat, delicately margined. Antenne 12-jointed, filiform, the
scape yellowish, the flagellum dark-brown, thicker than the scape and
pedicel; first flagellar joint the longest, longer than the pedicel, sec-
ond, half the length of the first, a little contracted, third, very slightly
longer, a little dilated outwardly toward one side; following joints
scarcely as long as thick. Legs brownish-yellow, the coxe black.
Wings subfuscous, the marginal vein punctiform, not longer than thick,
the stigmal oblique, the postmarginal very long.

HABITAT.—Arlington, Va.
Type in Coll. Ashmead.

This species was taken from an ant’s nest. It differs decidedly
from the other species in the sculpture of the head and thorax and in
the smooth, apical abdominal segments.

Hadronotus rugosus How.

Insect Life, Vol. 1, p. 242.

Q. Length, 1.8™™. Antenne arise immediately above the mouth; scape reaches
nearly to anterior ocellus; pedicel subcylindric, as long as first funicle joint; funicle
joints increasing regularly in width from joint 1 to basal joint of club; joint 1 of
funicle twice as long as 2, the remaining joints subequal in length; joint 2 of club
equal to joint 1; joint 3 longer than 2 and pointed. Head and face closely, deeply,
and regularly punctate; facial impression shallow, with transverse punctures and
with a distinct, central longitudinal carina. Mesonotum strongly punctate, the
punctures of the scutum assuming a longitudinal direction. Dorsal surface of ab-
domen strongly longitudinally rugose, each joint smooth at extreme base and apex,
the rugosities strongest upon joint 1, growing slightly fainter on succeeding joints;
joint 2 longest, joints 1 and 3 shorter; venter with well-marked circular punctures.
Entire surface of body with sparse whitish pilosity. General color, black; mouth
parts, antenne, and legs honey-yellow, except that the front cox, antennal club
and pedicel, and first two funicle joints above are brownish.—( Howard. )

HABitTat.—Rockledge, Fla.
Types in National Museum.

Mr. Howard described this species from 3 2 specimens dissected
from the supposed eggs of Dysdercus suturellus, sent to Dr. Riley by
Mr. H.S. Williams, April 1, 1889. The eggs appear to me to be those
of Euthoctha galeator Fabr., with which I am quite familiar, from my
long residence in Florida.

Hadronotus floridanus Ashm.
Ent. Am., 111, p. 118; Cress. Syn. Hym., p. 314.
é 2. Length,1.5"". Head and thorax very coarsely rugose, the ab-

domen cribrate rugose, the first segment with coarse striae; scape and
legs brownish-yellow, the coxie sometimes brownish-black.

PARR rence « aration en

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID&. 233

Antenne 12-jointed, in 2 clavate, the pedicel not longer than the
first funiclar joint, the second funiclar joint about half the length of the
first, the third and following, transverse; in ¢ filiform, pale brownish-
yellow, the first funiclar joint the longest, longer than the pedicel, the
second one-third shorter than the first, the third slightly dilated
toward one side at apex, the following a little longer than wide,
the last pointed, almost as long as the first funiclar. Wings hyaline,
the venation yellowish, the marginal vein very short. Legs, including
cox, brownish-yellow.

Hapirat.—Jacksonville and Cocoanut Grove, Fla.

Types in Coll, Ashmead and National Museum.

Described from many specimens reared from the eggs of Metapodius
Jemoratus Fabr.

This species is most closely allied to H. rugosus Howard, but quite
distinct in the sculpture of the abdomen.

Hadronotus anasze Ashm,

Telenomus anase Ashm., Bull. No. 14 U.S. Dept. Agric., p.23; Cress. Syn. Hym.,
p. 314.

62. Length, 1.2". Black, coarsely, irregularly rugoso-punctate,
with a sparse whitish pubescence, the abdomen more evenly and less
coarsely sculptured, somewhat lineated, the extreme apical edges of
the segments smooth, polished, the first segment striate, the second a
little longer than the ‘first and the longest segment, the third a little
shorter than the first. Head large and broad, about 34 times as wide
as thick antero-posteriorly, and wholly rugose. Antenne 12-jointed, in
2 clavate, brown, the scape, pedicel, and sometimes the funiclar joints,
yellow; the pedicel is one-half longer than the first funiclar joint, the
second funiclar shorter than the first, the third and fourth transverse,
club acuminate towards apex; in ¢ subfiJiform or subclavate, the ped-
icel shorter than the first funiclar joint, the second and third subequal,
shorter than the first; the following joints, except the last, which is
ovate, are a little wider than long. Mandibles large, pale or yellowish.
Wings hyaline, the marginal vein punctiform. Legs brownish-yellow,
the cox sometimes dusky, more rarely black.

Hapiratr.—Jacksonville, Fla.

Types in National Museum and Coll. Ashmead.

Described from many specimens reared by myself from the eggs of
Anasa tristis De Geer. Dr. R.S. Turner reared, May 20, 1880, a large
series from the same insect eggs at Fort George Island, Florida, and
Miss Mary Murtfeldt reared August 2, 1882, a variety with black cox
at Kirkwood, Mo.

Hadronotus rugiceps, sp. nov.

2. Length, 1.5". Head and scutellum rather coarsely but shal-
lowly rugoso-punctate; the thorax and abdomen finely rugoso-punctate,

234 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

pubescent, the mesonotum a little lineated posteriorly. Head large,
wider than the thorax, the cheeks margined. Antenne 12-jointed,
dark-brown, the scape pale at base; first funiclar joint slender, cylin-
dric, scarcely longer than the pedicel, the latter pale at tip; second
and third funiclar joints short, quadrate; the fourth wider; club 6-
jointed. Wings subfuscous, the marginal vein nearly as long as the
stigmal. Legs brownish-yellow, the coxie black. Abdomen oval, the
first segment and the second, at base, striate, the following segments
all finely closely punctulate.

Hapsrrat.—Washington, D.C.

Type in Coll. Ashmead.

Described from a single specimen. The seulpture of the head and
seutellum and the length of the marginal vein readily distinguish the
species.

BAONBURA Forster.

Hym. Stud., m1, p. 100 (1856). F

Head quadrate, anteriorly with a carina between the antennee, frons
depressed; ocelli widely separated, the lateral close to the hind margin
of eye. Eyes large, oval, occupying the whole side of the head.

Antennze 12-jointed, inserted at the clypeus, in ? clavate,in ¢
filiform.

Mandibles short and broad, bidentate.

Thorax ovoid, asin Phanurus, polished, without furrows, the scutellum
short, the metanotum divided by a central carina into two areas.

Wings very narrow and strongly fringed, with only a stigmal vein
that ends in a knob before attaining the costa.

Abdomen elongate fusiform, strongly depressed, subsessile, the first
segment narrowed, but wider than long, the second and third segments
subequal and the longest and broadest segments.

Legs normal.

A curious little genus, remarkable for the narrow and strongly
fringed front wings and the peculiar venation, strongly recalling some
of the forms 1n the Family Mymaride, with which it might easily be
confused. It also resembles Phanuwrus, in the Tribe Telenomini.

Forster says of it: ‘Not much larger than Baus, although much
more elongate and narrower, stands the genus Bawoneura. In this
genus, however, we find the club distinctly jointed. It is readily dis-
tinguished from the followizg described genera by the small develop-
ment of the submarginal vein, which passes from the base into the field
of the wing, but does not unite with the costa. In the formation of the
wings it forms, therefore, a fine transition to the Platygastroidea.”

Férster’s type seems not to have been described, and the following
species is, therefore, the first species to be described. Kirchner, in his
Cat. Hym. Eup., p. 193, mentions the fact, however, that there are two
species found in Europe, but gives no names.

.

e

a

’ MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID&. 235

Bzeoneura bicolor sp. nov.
(PI. 1x, Fig. 6.)

9. Length 1™™. Elongate, highly polished, black; abdomen, legs
and antenne, except the club, brownish or honey-yellow. Wings hya-
line, narrow, strongly fringed. Club of antenne brown, 5-jointed.
Abdomen pointed fusiform, much longer than the head and thorax
united, flat, or strongly depressed.

Habitat.—Arlington, Va.

Type in Coll. Ashmead.
A single specimen, taken by beating.
IDRIS Forster.
Hym. Stud., 11, p. 102 (1856).
(Type I. flavicornis Forst.)

Head transverse or subquadrate, the cheeks and occiput delicately
margined; ocelli 3, in a triangle, the lateral not touching the border of
the eye; eyes large, oval, pubescent.

Antenne inserted close to the mouth, 12-jointed in both sexes; in @
clavate, the club 6-jointed; in ¢ filiform.

Maxillary palpi 4-jointed; labial palpi 3-jointed.

Mandibles deeply bifid at apex.

Thorax ovoid, rounded before, the prothorax slightly visible from
above; mesonotum a little broader than long with two distinct furrows,
sometimes obsolete posteriorly; scutellum semicireular, with a punctate
frenum; metathorax short, subemarginated.

Front wings when folded extending to, or a little beyond, the tip of
the abdomen, the submarginal vein long, reaching the costa beyond the
middle of the wing, the marginal vein short, the postmarginal vein
scarcely developed or never longer than the shaft of the stigmal vein,
the latter rather short, oblique, and knobbed at tip; basal nervure
wanting.

Abdomen oblong-oval, subpetiolated, the first and second segments
about equal, the third the longest segment.

Legs very similar to Hadronotus.

Idris leviceps sp. nov.

6. Length 1.50". Black, polished, the thorax faintly microscopically
punctate, sparsely pubescent. Mandibles rufous, the teeth and apex
black. Antenne and legs reddish yellow. Mesonotum with two fur-
rows. Wings subhyaline, fringed, the basal vein distinct, the marginal,
twice as long as thick, the postmarginal but slightly developed, the
stigmal short, terminating in a little knob. Abdomen black, polished,
pubescent toward the apex, the first and second segments striated.

HABITAT.—Arlington, Va.

Type in Coll. Ashmead.

Described from a single specimen.

236 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

ACANTHOSCELIO Ashm., gen. nov.
(Type A. americanus.)

Head large, subquadrate, with a frontal ledge as in Sparasion, the
occiput rounded, margined; ocelli 3, in a triangle, the lateral not quite
touching the margin of the eye; eyes very large, rounded.

Antenne as in Scelio.

Maxillazy palpi 3-jointed.

Thorax ovoid, prothorax visible from above, only at the sides; trun-
cate anteriorly; mesonotum convex, without furrows; scutellum large,
quadrate, the posterior margin slightly arcuately emarginate, the an-
gles acute; postscutellum produced into a large erect spine; metano-
tum short, abrupt, the angles prominent.

Front wings with the submarginal vein remote from the costa and
curving and joining a punctiform marginal vein at about the middle of
the wing; stigmal vein rather long, oblique, with a long radial branch,
that forms a long, lanceolate marginal cell.

Abdomen sessile, oblong-oval, depressed, strongly carinated along
the sides and composed of 6 segments, the first and second nearly
equal, the third the longest.

Legs as in Scelio, the tibial spurs well developed.

The affinities of this remarkable genus are with Scelio and Sparasion;
it agrees with the former in all the essential characters, except in hay-
ing a frontal ledge, the structure of the meso- and meta-scutellum, and
in venation; with the latter it agrees only in its cephalic characters.
It is at once distinguished from both by the shape of the scutellum and
the strong erect postscutellar spine, the shape of the scutellum being,
indeed, unique in the family.

The genus is founded upon a male specimen, collected by Mr. Her-
bert Smith, at Chapada, in South America, and a female specimen in
the Berlin Museum, labeled “ Bogota.”

Acanthoscelio americanus sp. nov.
(ell pale ao Ge)

¢. Length 3™" Opaque, coarsely rugose; antenne, post-scutel-
lar spine, legs, except the black cox, and the lateral margins of the
abdomen, brownish-yellow; wings fuscous, yellowish-hyaline at base.

Hasrrat.—Chapada, Brazil, South America.

Type in Coll. Ashmead. j

Acanthoscelio flavipes, sp. nov.

2. Length,3.4™™. Black, coarsely, deeply punctate; antenne, except
the 6-jointed club, the palpi, the legs, including cox, metathorax, first
abdominal segment and the lateral margins of the second and third, red-
dish-yellow. Head subglobose, as wide as the thorax, with a frontal
ridge, coarsely rugoso-punctate. Eyes very large, round. Mandibles

|
;
7

ee Ea

.

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDE. 237

black, curved, with a tooth within. Antenne 12-jointed, clavate, very
short; first funiclar joint not longer than the pedicel; second not longer
than wide; third and fourth transverse; club large, 6-jointed, black,
the joints transverse. Thorax ovoid, the mesonotum without furrows.
Scutellum quadrate, elevated posteriorly, the angles acutely produced.
Metascutellum produced into a large, erect spine. Metathorax ridged
at the sides with the angles toothed. Wings fuliginous, the basal one-
third yellow, the venation similar to Scelio. Abdomen elongate oval,
rugulose; first segment transverse, a little shorter than the second;
third very slightly longer than the second; fourth very slightly shorter;
fifth about one-half the length of the fourth; the following very short.
Hapsrratr.—Bogota.
Type in the Berlin Museum.
Described from a single specimen.
SPARASION Latreille.
Hist. Nat., 1, p. 316 (1802); Forster Hym. Stud., m, p. 101 (1856).
(Type, S. frontale Latr.)

Head transverse, or subquadrate, with a frontal ledge or carina; ocelli
3, in a triangle but widely separated; eyes oval.

Antenne in both sexes 12-jointed, inserted just above the clypeus,
in 2 clavate, the funiclar joints submoniliform; in ¢ long, subseta-
ceous, the flagellar joints all longer than thick.

Maxillary palpi elongate, 5-jointed; labial palpi 3-jointed.

Mandibles elongate, bidentate, the teeth subequal.

Thorax ovoid, narrowed into a little neck anteriorly; prothorax dis-
tinctly visible from above, dilated at sides; mesonotum usually with
2 furrows; scutellum large, semicircular; metathorax with the angles
produced into short spines.

Front wings with the submargimal remote from the costa and termi-
nating in a small stigma from which issues a short stigmal and a short
postmarginal.

Abdomen long, ovate, depressed, sessile, the sides carinated, in &
with 6,in ¢ with 7 segments, the segments nearly equal.

Legs of moderate length, pilose, the tibial spurs 1, 2, 2, the claws
simple.

The frontal ledge and the 5-jointed maxillary palpi readily distinguish
the genus from Scelio, while the differences in the scutellum and _ post-
scutellum separate it from Acanthoscelio.

TABLE OF SPECIES.
PEE GAEOUS OE fMICINOUS - 6 o-oo ee soa oan a= ec Saha ns ea be Ses olescceacseese 2
Wings hyaline.
Seapule with a grooved line their whole length.
Legs, except cox, honey-yellow; flagellar joints after the first twice as long
USO UNC kee sss eres cet Pane sien snes Saco cates. «sees S. famelicuin Say.

238 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

2 Seapulie without a grooved line or only slightly indicated at the middle.
Legs black, anterior and middle tibize and all tarsi, honey-yellow, the posterior
tibize dusky at the middle.

Frontal ledge broad, on the same plane with the vertex; postscutellum toothed;
pedicel a little shorter than first flagellar joint; flagellar joints after
the first only a little longer than thick; scapulee impunctate.

S. pilosum Ashm., sp. nov.

Frontal ledge not so broad or on the same plane with the vertex, more oblique;
postscutellum not or but slightly toothed.

Pedicel much shorter than the first flagellar joint, the flagellar joints after the
first wider than long (@); the flagellar joints after the first more
than twice as long as thick (gf) ----.-..---- S. nigrum Ashm., sp.noy.

Pedicel longer than the first flagellar joint, the joints beyond about as long
as thick, 9; in g the pedicel is scarcely half the length of first
Hacellar joint. 2s2eeses aoe ee S. pacificum Ashin., sp. nov.

Sparasion famelicum Say.
Bos. Jour., I, p. 276; Lec. Ed. Say, u, p. 223; Cress. Syn. Hym., p. 248.
?. Length,4.5". Elongate, black, subopaque, punctate; head with

a frontal ridge, rugose; thorax shining, with small, rounded punctures, |

the parapsidal furrows distinct, the scapule with a longitudinal grooved
line; scutellum margined posteriorly; metathorax narrowed toward
apex, broader at base than long, with two parallel median carine, post-
scutellum not toothed, the posterior angles subprominent; abdomen
as long as the head and thorax together, oblong-oval, longitudinally
striated; wings hyaline, the venation brown black, the stigmal vein end-
ing in a knob with a radial ray from its tip; postmarginal as long as
the stigmal; legs, except the black coxe, honey-yellow; antennee fili-
form, 12-jointed, fuscous, extending to the tip of the metathorax.

HABITAT.—Indiana and Fort George, Fla.

Described from a single specimen taken by Dr. R. 8S. Turner at Fort
George, Fla., and which I think without doubt is this long-lost species.

Sparasion pilosum sp. noy.
(Plex Bigs ios)

62. Length, 4 to 5™. Black, shining, very pilose, head rugose
from large, coarse punctures; the ledge very broad, on the same plane
with the vertex, with a broad sulcus along the anterior margin. An-
tenne 12-jointed, black, the pedicel and first flagellar joint more or
less piceous, the latter in 2 one-third longer than the pedicel, in é about
equal, the joints beyond a little longer than thick. Thorax sparsely
punctate, the parapsidal furrows distinct, the metathorax rugose, emar-
ginate behind with a A-shaped carina, the angles slightly prominent.
Wings fuscous, a little paler toward base, the venation black, the stigma
quadrate, black. Legs black, the tibiz and tarsi, honey-yellow, the hind
tibie dusky at the middle. Abdomen smooth, shining, longitudinally
striate, more coarsely striate in the male.

Hapsrrat.—Nevada and Washington.

Types in Coll. Ashmead.

Described from two specimens.

”

1a a Re 022 ee ME:

Sone TNL BS Rie he ye ina wo hana ay |

£ a

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID®. 239

Sparasion nigrum, sp. nov.

62. Length, 3 to3.5™™. Very close to S. pilosum, but quite dis-
tinct in the very short frontal ledge, and in its antennal characters.
The ledge in the ¢é merely a slight transverse carina, but in the @ it is
broader and slightly oblique, the head rugose but still not so coarsely
rugose as in S. pilosum. In the é the antenne are long, filiform, the
pedicel less than half the length of the first flagellar joint, the joints
beyond more than twice as long as wide; in 2 the pedicel is shorter
than the first flagellar joint, the flagellar joints after the first distinetly
wider than long. Abdomen in ¢ opaque, rugose, the rugosities longi-
tudinally directed; in 2? shining, punctate and striate.

HApBirat.—Pen Mar, Pa., and Oakland, Md.

Types in Coll. Ashmead.

Sparasion pacificum, sp. nov.

6. Length,3 to 3.5°", Black, shining, with long, sparse hairs; legs
brownish-yellow, pilose, the cox and femora black; head rugose, ante-
riorly with a broad semicircular ledge, margined anteriorly and with
a curved carina at base, conforming to the curve of the ledge. Anten-
ne 12-jointed, filiform, black, the pedicel and two basal joints of flagel-
lum, brown or piceous; first flagellar joint in ¢ twice the length of ped-
i¢el, narrowed toward base, the joints beyond very little longer than
wide, the joint ovate; in? the pedicel is much longer than the first
flagellar joint, the joints beyond about as long as thick. Thorax with
Sparse punctures, the collar dilated at sides to tegule, rugose anteri-
orly ; mesonotum with 2 furrows, ending just before reaching the
scutellum ; scutellum subconvex, margined behind and with some
punctures im the frenum; metathorax rugose, with prominent rounded
angles. Wings fuscous, stigma and nervures brown-black, the stig-
mal vein slightly curved, ending in a knob, with a fuscous ray directed
toward the apex of wing, forming a long open marginal cell. Abdo-
men oblong-oval, smooth, polished, pilose, the second and third sutures
with punctures at bottom, the segments nearly equal, the first truncate
and carinated at base.

HABITAT.—California.

Types in National Museum and Coll. Ashmead.

Three specimens in the National Museum were collected in August,
by Koebele, in Marion County, Cal.; another in the Santa Cruz Moun-
tains, while my collection contains but a single specimen from Califor-
nia, obtained by purchase.

SCELIOMORPHA Ashm., gen. nov.

(Type 8. longicornis Ashm.)

Head transverse quadrate, the occiput and cheeks margined; ocelli
3, large, in a triangle, the lateral not touching the eye; eyes large,
oval or rounded, hairy.

240 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Antenne in ¢ subsetaceous, 12-jointed, the flagellar joints all long
cylindrical.

Maxillary palpi long, 5-jointed; labial palpi 3-jointed.

Mandibles arcuate, 3-dentate, the outer tooth large, the inner two
teeth small, equal.

Thorax ovoid, the prothorax abruptly truncate before, dilated at
sides ; mesonotum a little wider than long, with two deep distinct fur-
rows; scutellum large, rounded behind; metathorax rounded behind,
the angles prominent.

Front wings as in Sparasion.

Abdomen fusiform, depressed, sessile, the sutures of the segments
deep, the segments themselves nearly equal in length.

Legs much as in Sparasion, the tibial spurs being 1, 2, 2, but the hind
femora are much more swollen.

This genus agrees more closely with Sparasion than any other genus,
and like that it is very hairy; but the absence of the frontal ledge, the
more distinctly pilose eyes, longer antenne, and the swollen posterior
femora separate it at once.

Sceliomorpha longicornis, sp. nov.
(PEE HIG Sd o)

é. Length, 3.5". Black, closely, rather coarsely, punctate, pilose;
legs, except coxie,reddish-yellow; wings fuliginous; antenne 12-jointed,
long, filiform, tapering to a point, extending to the middle of the abdo-
men; the pedicel annular, piceous; flagellar joints after the first about
34 times as long as thick, the second slightly emarginate at base;
abdomen striate and punctate, as in Sparasion.

HABITAT.—Santarem. (Herbert Smith.)

Type in Coll. Ashmead.

(?) Sceliomorpha bisulca, sp. nov.

@. Length, 3.4". Brown-black, finely rugose, sparsely pubescent;
scutellum and abdomen longitudinally lineatedly rugose; antennz red-
dish-yellow, the club brown; legs, except black coxie, brownish-yellow
or reddish-yellow. Head transverse, reticulately rugose; the occiput
roundly emarginate, not margined; the face subconvex ; the cheeks short,
margined. HKyes ovate. Mandibles small, triangular, rugose. An-
tennie 12-jointed, very short, the scape reaching only a little beyond the
middle of the face; pedicel longer than the first and second funiclar
joints united; all funiclar joints transverse; club wider, the joints trans-
verse. Pronotum produced into a collar anteriorly; mesonotum with
2 distinct furrows; scutellum semicircular margined behind; meta-
thorax closely punctate, with a median furrow, the angles straight, but
not prominent. Wings subfuscous, the marginal vein ending in an
oblique stigma. Abdomen fusiform, depressed, sessile; the first and
second segments about equal, half the length of the third; third and

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 241

fourth equal, one-third shorter than the second; fifth and sixth very
short; venter shining, faintly lineated.

HABITAT.—Texas and Florida.

Types in National Museum and Coll. Ashmead.

The specimen in the National Museum is in the old Belfrage collec-
tion, while’that in my own collection was captured, by myself, holding
on to the elytron of a short-winged locust, evidently with the intention
of finding out where the eggs were to be deposited. The joints of the
palpi could not be counted, and I do not feel certain that the insect
belongs in this genus.

SCELIO Latreille.

Hist. Nat., x11, p. 226, (1805); Forster Hym. Stud., u, p. 102.
Caloptenobia Riley, First Rep. U. 8. Ent. Comm., p. 306.

(Type S. rugulosus Latr).

Head transverse, or subquadrate, the vertex broad, the occiput
somewhat excavated and rounded; ocelli 3, in a triangle, the lateral
being close to the eye; eyes oval or ovate.

Antenne inserted close to the clypeus, in ? short, fusiform, sub-
compressed, 12-jointed, the 6 terminal joints forming a large club, the
funiclar joints moniliform; in ¢ 10-jointed, short, subclavate, the joints
short, submoniliform. ;

Maxillary palpi very short, inconspicuous, 3-jointed; labial palpi
3-joited.

Mandibles long, arcuate, bidentate, the teeth subequal.

Thorax ovoid, the prothorax visible from above only at the dilated
sides; mesonotum subconvex, broad, usually without furrows, rarely
with distinct furrows; scutellum semicircular; metathorax short with
the hind angles acute.

Front wings with the submarginal vein remote from the costal edge

. and terminating in a stigma, with or without a stigmal vein; sometimes

there issues from the tip of the stigmal vein another delicate nervure
that extends forward and forms a long, narrow, open marginal cell.

Abdomen sessile, long-ovate, or fusiform, depressed, the sides acutely
margined, in 2 6,in é 7 jointed.

The segments after the first, which is short and campanulate, nearly
of an equal length, the third usually the longest.

Legs of moderate length; all femora and anterior tibie clavate, mid-
dle and posterior tibie subclavate; the tibial spurs 1, 1, 1, distinct;
basal joint of hind tarsi not more than thrice as long as the second;
claws simple.

The peculiar venation, the short, 3-jointed maxillary palpi, the short,
fusiform, subcompressed antenne, and the male having but 10-jointed
antenne readily distinguish the genus.

21899—No. 45 16

242 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

The parasitism of several of the species is known, and all are para-
sites in locust eggs, belonging to the family Acridiide.

Some of the species bear a remarkably close resemblance to the
Eurytomine in the family Chalcidide; and, this remarkable mimicry
caused Dr. Riley to erect a new genus, Caloptenobia, in that family for
the reception of a species of Scelio, reared by Mr. Samuel H. Scudder |
trom the eggs of a locust found in Massachusetts.

TABLE OF SPECIES.

Species with parapsidal furrows more or less distinct..........-.---.---.------ 3
Species without parapsidal furrows, coarsely reticulately rugose.
Coxe and legs pale brownish-yellow,=: 22 sees -ee eee eee eee

Coxe black or brown-black; rest of legs brownish-yellow.

Wings fuscous with a stigmal vein and a radius.

Seape and pedicel brownish-yellow, the flagellum brown-black; tegule rufous,

S. FUSCIPENNIS Ashm.

Wings hyaline; no stigmal vein and radius.

2 with the scape beneath pale; pedicel 4 longer than the first flagellar joint;
secopd, third, and fourth flagellar joints very short transverse, the
third a little the longest, 24 times wider than long.

g with the scape dark brown, flagellar joints, except first and last, about equal
in length and width, the third scarcely wider than the fourth.

S. HYALINIPENNIS Ashm.
2. Stigma with a stigmal vein.
Seape and pedicel yellowish, the flagellum brown-black, the first flagellar joint
shorter than the pedicel.

Venter distinctly, coarsely striate, but not punctured 2; venter with oblong
punctures, the surface aciculated, antenne pale brownish, the third
flagellar joint much wider than the others ¢..-S. OvIvoRuS Riley.

Stigma without a stigmal vein.
9 unknown. g¢ with the third flagellar joint wider than either the second or
fourth; venter distinctly striated.

Antenne brown-black; scape brownish-yellow; wings hyaline.

S. PALLIDIPES, sp. noy.

Antenne wholly brownish-yellow; wings subfuscous. .S. PALLIDICORNIS, sp. Nov.

3. Coxe dark brown or black; rest of legs brownish-yellow.
Wings hyaline; no stigmal vein.
Scape and pedicel brownish-yellow-.-....-.-..-.-....--..- S. @pDIPOD#%, sp. nov.
Antenne wholly, brown-blacks2seser sess ae eneeee eee S. opacus Prov.
Cox and legs pale brownish-yellow.
Wings hyaline or but slightly tinged.

Stigma without a stigmal vein; scape and pedicel, and sometimes the first two

or three flagellar joints pale.

Abdomen mostly rutoug= see eee ee eee eae eae S. RUFIVENTRIS, Sp. nov.
Abdomen black, the venter piceous..----..--.----..----- S. CALOPTENI Riley.

Stigma with a short stigmal vein; scape alone pale, although the pedicel and —
the first flagellar joint are sometimes pale beneath.

9 postscutellum striate; abdomen delicately longitudinally striated, the ex-
treme apex of the segments smooth polished; angles of metathorax
on a line with the apex of the metonotum-...-.--- S. LUGGERI Riley.

Q postscutellum punctate; abdomen longitudinally lineated, the venter, ex-
cept first and second segments, smooth; angles of metathorax rather
prominent, covered with a white pubescence. .S, FLORIDANUS, sp. LOY,

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDE. 243
Scelio fuscipennis Ashm.
Ent. Am., m1, p. 119; Cress. Syn. Hym., p. 314.

69%. Length, 3.5 to 5.3". Black, coarsely rugose, the parapsidal
Se) ’ v ’
furrows not at all indicated; scape, pedicel and legs, except the coxe,
brownish-yellow or reddish-yellow; wings fuscous, paler at base,
the stigmal vein distinct with a long branch forming a marginal cell.
Haprratr.—Jacksonville and Fort George Island, Fla.
Types in Coll. Ashmead.

Common. I think this species will prove to be a parasite in the eggs
of Dictyopterus micropterus.

Scelio hyalinipennis Ashm.
GH ae Iie Ee) eh)
Ent. Am., 11, p 119; Cress. Syn. Hym., p. 314.

$2. Length, 4 to 45°". Black, coarsely rugoso-punctate, the
mesonotum without trace of furrows; face striate above insertion of
antenne and below the eyes. Mandibles, scape, and pedicel beneath in
?,and legs, rufous, or brownish-yellow; cox in é black, frequently
pale in 2,or only dusky or blackish basally. Antenne 12-jointed,
brown-black, except as mentioned above, the flagellum fusiform, de-
pressed, the pedicel about one-third longer than the first joint, the sec-
ond, third, and fourth joints very transverse, 3 times as wide as long;
in ¢ 10-jointed, flagellar joints 2 to 7, about of an equallength, scarcely
twice as wide as long, the third but little wider than the fourth. Wings
clear hyaline, with only a trace of the submarginal vein; stigma present,
the submarginal nervure before reaching it obsolete or subobsolete, hya-
line; no trace of a stigmal nervure. Abdomen imbricato-rugose, venter
in 2 often rufous.

Hasirat.—Jacksonville, Fla.

Types in Coll, Ashmead and in National Museum.

Scelio ovivorus Riley.

Caloptenobia ovivora Riley, First Rep. U. 8. Ent. Comm., p. 306.

Scelio famelicus Riley, nec. Say. Second Rep. U. 8. Ent. Comm., p. 270.

Scelio ovivora Ashm., Ent. Am., 111, p. 119.

?. Length, 4.20". Black, very coarsely rugoso-punctate, the meso-
notum without furrows; there is a large polished space on face above
the antenne, and on either side coarse strive converge toward the man-
dibles; mandibles pale rufous. Antenne 12-jointed, brown-biack, the
scape and pedicel pale rufous or brownish-yellow; pedicel very slightly
longer than first funiclar joint. The thorax is very coarsely rugose, the
large punctures confluent; scutellum coarsely rugoso-punctate; meta-
thorax with a finer sculpture, the angles dilated, prominent acute.
Tegule yellowish. Wings subfuscous, the stigma of the submarginal
vein large with a stigmal vein and a ray from its tip. Legs, including
all cox, pale yellowish. Abdomen fusiform, the dorsum and venter

244 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

coarsely longitudinally striated; the first segment is short, transverse,
very little longer than half the length ofthe second; the third, the longest,
the fourth, a little shorter than the third; the fifth, about as long as the
second; the sixth, shorter.

é. Length, 3.6°", Head and thorax coarsely rugose, the latter
without furrows; antenne pale brown, 10-jointed, the third flagellar
joint longer and wider than the others; legs brownish-yellow; wings
hyaline, the submarginal vein terminating in a rounded stigma with a
short stigmal vein; abdomen distinctly striated, the apical edges of the
segments smooth, impunctate.

HaApbrrat.—Massachusetts.

Types in National Museum.

Described from 3 2 specimens, now in poor condition, reared by Samuel
H. Scudder from the eggs of Dissosteira carolina.

Scelio pallidipes, sp. nov.

6. Length, 3.2". Head and thorax coarsely rugose, the latter
without parapsidal furrows. Antenne brown-black, scape brownish,
the third flagellar joint much wider than the others, twice as wide as
long. Angles of metathorax rounded, not prominent. Wings clear-
hyaline, the submarginal vein and the stigma hyaline, scarcely appar-
ent; no stigmal vein. Legs wholly brownish-yellow. Abdomen stri-
ated, the first segment quadrate, separated from the second by a strong
constriction; venter distinctly, but not coarsely, striated.

Hapitat.—Jacksonville, Fla.

Types in Coll. Ashmead.

The wholly brown-black flagellum and the difference in the metatho-
racic angles separate the species from S. pallidicornis, the only species
with which it would be apt to be confused.

Scelio pallidicornis, sp. noy.

é. Length, 4.1™". Black, coarsely rugose; antenna pale or brown-
ish-yellow, the pedicel shorter than the first flagellar joint, the latter
obeonical and the longest joint; the third joint the widest, about 14
times as wide as long, or only slightly wider than the following joints.
Angles of metathorax somewhat prominent, covered with a whitish
pubescence. Wings subfuscous, hyaline at base, the stigma without
a stigmal vein. Legs wholly brownish-yellow. Abdomen above
coarsely striated, and with dilated punctures; beneath smoother,
shining, but longitudinally striated, the striz faint or indistinct beneath
the lateral carina.

HABITAT.—Jacksonville, Fla.

Type in Coll. Ashmead.

The large size, pale antenn, and color of wings at once separate the
species from the others described here.

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDEA. 245
Scelio cedipode, sp. nov.

é 2. Length, 3.5 to 4™". Black, rugose; scape, pedicel, and legs,
except the coxze, brownish-yellow; thorax with parapsidal furrows
distinct, in female wanting anteriorly; tegule piceous; wings hyaline,
the stigma reaching the costa; the stigmal vein wanting, or only
slightly developed; metathorax truncate behind, the angles straight,
not prominent; abdomen longer than the head and thorax united,
striated; first segment well separated from the second by a strong con-
striction, twice as wide as long.

The antennze in the male are brownish, the face vertically striated,
the femora brownish, the tibiz and tarsi yellowish.

HaApbiTat.—Arlington, Va.

Types in Coll. Ashmead.

Described from 1 ¢ and 2 2 specimens, reared from the eggs of a
species of Oedipoda. The black cox and the distinct parapsidal fur-
rows at once separate the species from Scelio ovivorus Riley, and the
grooved mesonotum from S. hyalinipennis Ashm., the rugosities being
finer than in either of these species.

Scelio opacus Prov.

Acerota opaca Prov., Add. et Corr., p. 184; Cress. Syn., p. 249.

?. Length, 3.25™", Black, opaque, with the feet red, more or less
dusky. Head and thorax rugoso-punctate, the abdomen with the disks
of the segments longitudinally aciculated. Wings hyaline. Abdomen
sessile, the first segment being much narrower than the others. ( Prov.)

HABITAT.—Cap Rouge.

Type in Coll. Provancher.

Unknown to me.

[Since this was written a male Scelio, labeled ‘ Acerota opaca, Type,
Provancher”, has been deposited in the National Museum by D. W. Co-
quillett, of Los Angeles, Cal., and I have in consequence merely re-
moved Provancher’s brief description from the genus Acerota, in the
subfamily Platygasterine, to its proper place in Scelio, having had no
time to draw up a full description. |

Scelio rufiventris, sp. nov.

2. Length,3.5"". Brown-black, rugose, the abdomen mostly rufous,
fuscous above, except along the sides; scape, pedicel, first funiclar joint,
and the legs pale rufous. Thorax with distinct parapsidal furrows.
Tegule black. Wings hyaline, the stigma without a stigmal nervure.
Funiclar joints after the first very transverse, three times as wide as
long, the pedicel being as long as the first, second, and third funiclar
joints united. Abdomen pointed-fusiform, longer than the head and

246 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

thorax together, shagreened, not distinctly striated, the venter smooth,
wholly rufous; dorsum with ‘a rufous streak along the margins.
Hapirat.—Fort George, Fla.
Type in Coll. Ashmead.

Described from a single specimen taken by Dr. R. 8S. Turner, in Au-
gust, 1582.

The color and sculpture of abdomen sufficiently distinguish the spe-
cies.

Scelio calopteni sp. nov., Riley.

“oO. Length, 3 to3.4™. Black, rugose; the mesonotum with faint
but distinct furrows. Head with a smooth, shining space on face above
the antenne, with striz on each side converging toward mouth; man-
dibles pale rufous; antennze 12-jointed, brown-black, the scape and
pedicel yellow; pedicel longer than the first funicular joint, the joints
after the first very transverse; club slightly compressed from above,
the joints closely conjoined. Thorax with the tegule pale rufous;
wings hyaline, the submarginal vein ending in a rounded stigma, but
without a stigmal vein; legs, including the coxe, pale brownish-yellow.
Metanotum with 2 complete longitudinal subparallel median carine.
Abdomen fusiform, longer than the head and thorax together, closely,
longitudinally aciculate; the venter piceous, finely aciculate at sides.

‘Described from many ? specimens, bred June 27 and July 3, 1883,
from the eggs of Caloptenus atlantis, collected by self and A. Koebele
in New Hampshire.”—[ From Riley’s MS. |

HABITAT.—Boscawen, N. H.

Types in National Museum.

This species is closely allied to S. Luggeri, and may be but a variety;
but as the stigma is without a stigmal vein and the color of the anten-
ne is slightly different, L believe it to be a distinct species.

Scelio Luggeri sp. nov., Riley.

“9. Length, 3 to 3.2"". Black, rugose, the mesonotum witk two
furrows; scape and legs, including cox, brownish-yellow. Head with
the antenne brown-black, the pedicel distinctly longer than the first
flagellar joint, joints 2 to 4 very short, transverse. Metanotum with 4
complete longitudinal median carinze; wings subfuscous, paler at base,
the stigma with a short stigmal vein. Abdomen fusiform, about one-
third longer than the head and thorax together; longitudinally acicu-
late, the apex of all the segments with a smooth, polished space;
venter black, aciculate over entire surface,

‘‘Described from three ? specimens, reared in July, 1889, from the
eggs of a Caloptenus sp. by Prof. O. Lugger.”—j From Riley’s MS.]

HaApiratr.—Otter Tail County, Minn.

Types in National Museum.

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 247
Scelio floridanus, sp. noy.

?. Length, 3 to34"". Densely black, subopaque, with rather coarse
reticulated punctures, the thorax with distinct furrows, the postscu-
tellum highly ridged. Antenne brown-black, the scape, legs, and
mandibles, yellow; funiclar joints transverse, the club large fusiform,
wider than long; angies of metathorax prominent. Wings subhyaline,
the venation yellowish, the submarginal vein ending in a slight stigma
and an oblique stigmal vein, the latter with an indistinct radius.
Abdomen fusiform, lineatedly rugose; first segment transverse-quad-
rate of an equal length with the fifth, the second, longer, the third,
the longest segment, the fourth shorter than third, the sixth, sub-
equal with the fifth, the seventh much shorter; the venter polished,
the segments striated towards apex.

Hapirat.—Haw Creek and Jacksonville, Fla.

Types in National Museum and Coll. Ashmead.

Subfamily VI—PLATYGASTERIN A.

Head transverse, rarely quadrate. Ocelli 3, triangularly arranged.
Mandibles bifid at tips. Maxillary palpi 2-jointed; labial palpi 1-
jointed. Antenne elbowed, clavate, most frequently 10-jointed in both
sexes, rarely 8-or 9-jointed, inserted at the base of the clypeus. Pro-
notum never very large, scarcely visible from above, mesonotum most
frequently transverse, with or without furrows; scutellum variously
shaped, often with an awl-shaped tip or spined, flat, semicircular or
pillow-shaped; metathorax short, with a median sulcus. Front wings
most frequently entirely veinless, or with a submarginal vein termi-
nating in a stigma before attaining the costa, the basal nervure rarely
present; hind wings lanceolate, veinless. Abdomen petiolate or sub-
petiolate, ovate, oblong-oval or conic-ovate, depressed, very rarely
ereatly elongate, usually composed of 6 visible segments and always
carinated at the sides, the second segment the longest. Legs long,
the femora and tibiz clavate, the tibial spurs 1, 1, 1, the tarsi, except
in a single genus, [phetrachelus, 5-jointed, the claws simple.

A very large and extensive group, at one time classified with the
Scelionine, but readily distinguished by the 10-jointed clavate an.
tenne, the 2-jointed maxillary palpi, 1-jointed labial palpi, and the
bifid mandibles; the wings, except ina few genera, being entirely vein-
less and wholly different from the Scelionine.

The group is divided into numerous genera, the species of which con-
fine their attacks almost exclusively to the Dipterous families Cecido-
myiide and Tipulide, the only records conflicting being two recorded
by Ratzeburg. Platygaster contorticornis Ratzb. is said to have been
bred from Tortrix strobilana and P. mucronatus Ratzb. from Tortrix
resinana.

248 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

From our present extensive knowledge of the rearings of the
Platygasterids it is, however, quite evident that these records are
erroneous and these Tortricids must have been accompanied by Dip-
terous larvee overlooked by Ratzeburg.

My Platygaster aphidis is recorded from an Aphis on Chenopodium
album, but we know now that some Aphides are parasitized by Cecido-
myiids and this apparent discrepancy is thus explained. The species
is unquestionably a secondary parasite on some Cecidomyiid infesting
or living with the Aphid.

The genus Amitus Haldeman (=Zacrita Forster) is, however, appar-
ently a primary parasite on the Aleyrodide a family of Homopterous
_insects allied to the Coccide, unless the Aleyrodide have Dipterous
parasites not yet discovered.

The Platygasterine may be divided into two tribes as follows:

Anterior wing with a distinct clavate snbmarginal vein-...Tribe 1.—INOSTEMMINI.
Anterior wing entirely veinless, rarely with indications of a submarginal vein, if
present very short, faint, and never clavate......-. Tribe 11.—PLATYGASTERINI.

TRIBE I.—INOSTEMMINI.

In this tribe but seven genera are known, all represented in our
fauna, and distinguished by the aid of the following table-

TABLE OF GENERA.

FEMALES,
Watall &-jOUsbedie) 2225 o> onic tain = Sor eee ke es eit ae eee eee eee 2
Tarsi. 4-jointed, antenna 8-jointed........--.----- ----..---- IPHETRACHELUS Hal.
De syAara toes aa ea (TNL lt nN ee oe 3
Marines Chimie. See 2 252 Sosessosse osas seb ees Soda css ALLOTROPA Forster.
3. Wings without basal and median veins: .--..-.....-.-.--s--------s-s2----- 4

Wings with basal and median veins.
Mesonotum with faint or distinct furrows.

Antennalyelub, 3-jointeds- 2. 2: .- 22255. pat cae ece METACLISIS Forster.
Antennal etic] oinite deems = aoe er ee Monocrita Forster, _

4, Lateral ocelli nearer the apical ocellus than to the inner margin of eye.
Mesonotum without or with delicate furrows; antennal club 4-jointed.
IsosTaAsius Forster.
Lateral ocelli nearer the inner margin of eye than to the apical ocellus.
First abdominal segment with a horn; mesonotum with faint furrows.
INOSTEMMA Hal.
First abdominal segment without a horn; mesonotum with distinct furrows;
antennal club 4-jointed, the funiclar joints slender, cylindric.
ACEROTA Forster.

MALES.
Bars] OU Ge a me cats a ee ce eae ee ee ee 2
Tarsi4-jointed ; mesonotal furrows distinct ; antenne 10-jointed, with whorled
ALES, «Sac thone © oe cee ei ee nie eens See eee ee IPHETRACHELUS Hal.
2. Antenns 10-jointed’! >... 22. Tos. 02>. Laas Sosa ee eee ee eee ee eee eee 3

Antenne 9-jointed, with whorled hairs..............-..------ ALLOTROPA Forster.

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDE. 249

BWiInes without basal andimedian veims------~---2------------=.----------- 4
Wings with basal and median veins.
Mesonotum with 2 faint furrows.
Antenne subclavyate moniliform, first funiclar joint very minute,
second somewhat larger, the following to 10th larger, gradu-
ally thickened, the last larger, conical -.--.-..-.- METACLISIS Forster.
Antennz submoniliform, first funiclar joint very minute, second
larger, thickened, curved, the third small, triangular, the fol-
lowing except the last transverse moniliform, the last conical.
Monocrirta Forster.
4, Lateral ocelli nearer the apical ocellus than to the margin of eye.
Meson Onumawalith ote MmitROWS~ == -5s 55280) 226s soe oe Isosrasius, Férster.
Lateral ocelli nearer the margin of eye than to the apical ocellus,
Mesonotum with faint furrows; antennze moniliform, pubescent, the first
two funiclar joints nearly equal, the second somewhat curved,
the third small, triangular, the four following moniliform,
theplasteconieale ere aso ses ees ees yes So INOSTEMACAD Rall:
Mesonotum with 2 distinct furrows; antenne filiform, pubescent, the
second funiclar joint long, cylindrical, longer than the first,
the third shorter than the first, the following oval, the last
aboutsshn1ce as lonovas) thick ss s=2se= see es ae ACEROTA Forster.

IPHETRACHELUS Haliday.
Ent. Mag., 111, p. 273 (1836); Forster Hym. Stud., 11, p. 106 (1856).
(Type, I. lar Hal.).

Head transverse, the frons subconvex, smooth; ocelli 5 in a triangle,
the lateral close to the margin of the eye; eyes rounded.

Antenne inserted just above the clypeus, in 2 10-jointed, very long,
the terminal joints forming a club; scape long, subclavate, funiclar joints
small, moniliform; in ¢ 9-jointed, the flagellar joints nodose-pedicellate,
with whorls of sparse long hairs.

Maxillary palpi short, 2-jointed; labial palpi 1-jointed.

Mandibles bifid at tips.

Thorax oval, the prothorax slightly visible from above; mesonotum
with or without furrows; scutellum gibbous, nearly round; metathorax
short, rounded behind.

Front wings ciliated, the submarginal vein ending in a knob a little
before the middle of the wing.

Abdomen long ovate, subsessile, subconvex, and narrower than the
thorax, the second segment very large, occupying most of the surface,
the following segments all short.

Legs slender, the femora subclavate, the tarsi 4-jointed, the basal
joint of hind tarsi about as long as all the others together.

The 4-jointed tarsi, and the 9-jointed, nodose-pedicellate antennz of
the male readily distinguish the genus.

250 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.
Iphetrachelus americanus Aslhuin
(Pl. x1, Fig. 1, 3.)
Proc. Ent. Soe. Wash., 11, p. 58, 1890.

é. Length, 0.6%, Black, shining, delicately microscopically pune-
tate and faintly sericeous.

Antenne and legs uniformly yellow. Antenne nodose-pedicellate,
with whorls of long hairs; pedicel rounded; second funiclar joint trian-
gular. Thorax somewhat flattened on the disk, without distinct fur-
rows, although there are two shallow longitudinal furrows on the shoul-
ders. Seutellum semicircular, subconvex, separated from the mesono-
tum by a delicate transverse grooved line. Tegule yellow. Wings
hyaline, with a long fringe at apex, the submarginal vein pale yellow,
knobbed at tip. Abdomen long, oval, smooth, polished and black,
except the first segment, which is yellow.

Hapsirat.—Arlington, Va.

Type in Coll. Ashmead.

Described from a single specimen, taken by sweeping.

ALLOTROPA Forster.
Hym. Stud., 11, p. 106 (1856).
(Type A. mecrida Walk.)

Head transverse; ocelli 3, the lateral rather close to the margin of the
eye.

Antenne inserted just above the clypeus, 9-jointed in both sexes, the
flagellar joints in é dentate, verticillate; scape stout, fusiform, pedicel
small, globose, in 2 clavate, ending in a 4-jointed club.

Maxillary palpi 2-jointed; labial palpi 1-jointed.

Thorax ovoid, the mesonotum with 2 faint furrows; scutellum short,
semicircular; metathorax short, the posterior angles subacute.

Front wings pubescent, the submarginal vein short, ending in a
knob.

Abdomen long-ovate, convex. narrower than the thorax, the first
segment short, broad, the second large, the following very short.

Legs moderate, the femora clavate, tibie and tarsi slender.

This genus is distinguished at once from all the other genera in hay-
ing 9-jointed antenne in both sexes.

Allotropa americana Ashm.
(also he linny Apotehs)
Can. Ent., x1x, p. 125; Cress. Syn. Hym., p. 248.

2. Length 1.4". Black, closely minutely punctulate; head trans-
verse, opaque, the lateral ocelli twice their width from the margin of
the eye; mandibles rufous; antenne 9-jointed, ending in a 4-jointed
club, the joints serrate toward one side; scape rufous; pedicel and

Tera ee

ees

ys,

_
o

Bis
t
a
:
t
:
.
>
-
4
=
2
.
-
:

vi

.

aa
a
=)

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDE. 251

flagellum dark brown; first and second funiclar joint about equal, the
? . ’
third triangular or subtriangular. Thorax microscopically punctate,
but shining in the middle, the mesonotum with two distinet furrows; seu-
tellum finely punctulate, opaque, with an elevated margin behind.
9 9 :

Tegulie black. Wings hyaline, the submarginal vein knobbed. Legs
5 5 e ; = >
reddish-yellow, the coxre dusky. Abdomen oblong-oval, shining, the

d 9 ed 2 9 5D
petiole and second segment at base striated along the sides, minutely
punctulate, above smooth, shining, the following segments subopaque,
very finely punctulate.

HaAbitratT.—Jacksonville, Fla.
Type in Coll. Ashmead.

METACLISIS Forster.
Hym. Stud., 11, p. 106 (1856).
(Type WM. areolata Hal.)

Head transverse, broader than the thorax; ocelli 3, in a triangle,
the lateral ocelli about twice their width from the margin of the eye;
eyes rounded.

Antenne inserted just above the clypeus, 10-jointed in both sexes;
inthe 2 not half the length of the body, ending in a 3-jointed club;
funiclar joints very small, transverse; club joints large, broad, the last
conical, somewhat larger than the penultimate; in é moniliform, incras-
sated toward apex and longer than half the length of body; first flag-
ellar joint minute; fourth, moderate, fifth, and following to the ninth,
larger and broader, tenth, conical, much longer than the penultimate.

Thorax short, ovate, finely scaly; pronotum short, scarcely visible
from above; mesonotum with indistinct furrows; scutellum small, flat-
tened, semicircular; metathorax moderate.

Front wings with the submarginal vein terminating in a stigma, the
basal nervure distinct, and with a basal cell.

Abdomen ovate or oval, twice the length of the thorax, the apex
pointed, stylus-like in ? ; first segment very short; second very large;
third, fourth and fifth short, about equal; fifth about as long as seg-
ments 34 and 5 united; sixth shorter; in ¢ the abdomen is scarcely
longer than the thorax.

Legs clavate.

This genus and Monocrita Forster are the only genera in the family
having a distinct basal nervure, which alone is sufficient to distinguish
them from all others. The female in Metaclisis is separated from JMono-
erita by having a 3-jointed antennal club, the male by the smaller
second funiclar joint.

But two species have been described.

252 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Metaclisis belonocnemz Ashm.,
(Pll xa, Figs 359)
Can. Ent., x1x, p. 125 9.—Cress. Syn. Hym., p. 248.

?. Length, 1.5"". Black, opaque, closely, finely punctate. Legs
and antenne, except the club, pale brownish yellow; club brown-black.
Antenne 10-jointed, the scape thick, clavate; pedicel longer and thicker
than the first funiclar joint; first and second funiclar joints cylindric,
equal or nearly so, the first Very slightly the longer; third and fourth
very minute transverse; club 4-jointed, the joints, except the last,
transverse, the last conical, longer than the preceding. Parapsidal fur-
rows distinct. Scuteilum convex with a carina around the posterior
margin. Tegule dark brown. Wings, hyaline, the submarginal vein
yellowish.

Abdomen oval, as long as the thorax, smooth, shining, except the
first segment, which is a little roughened from some striz.

HaAsitat.—Jacksonville, Fla.

Type in Coll. Ashmead.

This species was reared by myself from a Cynipid gall, Belonocnema
treate Mayr, and it is undoubtedly parasitic on a Cecidomyiid inhabit-
ing the gall.

Metaclisis erythropus, Ashm.

Can. Ent., xx, p. 51.

é. Length, 2.5™". Black; head opaque, coarsely rugose on the
vertex and cheeks; face transversely aciculated, with a central de-
pressed line extending forward from the middle ocellus. Antenne
10-jointed, black; pedicel as long as the second funiclar joint; first
funiclar joint small, second swollen; club 6-jointed, the joints longer
than wide, subpedicellate, hairy, the last joint conical, longer than the
preceding. Thorax finely reticulated, or scaly; parapsidal grooves dis- —
tinct, converging and meeting at the base of the scutellum. Meta-
thorax covered with a sericeous pubescence. Legs rufous, the coxe
black. Abdomen black, polished. Wings subhyaline (probably tinged
from the cyanide bottle), faintly pubescent, the tegul rufo-piceous.

HABITAT.—Ottawa, Canada.

Type in Coll. Ashmead.

Described from a single specimen received from Mr. W. Hague Har- —
rington.

MONOCRITA Forster.

Hym. Stud., 11, p. 106 (1856)
(Type VW. atinas Walk.)

Head transverse, wider than the thorax; ocelli 3, in a triangle, the
lateral as far from the front ocellus as to the eye margin.
Antenne inserted just above the clypeus, 10-jointed in both sexes,

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDE. 253

in ° terminating in a 4-jointed club, the scape slender, pedicel cyathi-
form, first funiclar joint small; in ¢ with a 6-jointed filiform club, the
joints slightly pedicellate, oval, the last long conical; the first funiclar
joint about twice as long as thick, the second stouter, obliquely truncate
at tip and curved.

Thorax short, ovoid, convex; prothorax very short; mesonotum with
distinct but delicate furrows; scutellum convex; metathorax short.

Front wings pubescent, ciliated, the submarginal vein ending in a
knob, the basal nervure distinct, and with a distinct basal cell.

Abdomen ovate, convex, slightly shorter and narrower than the
thorax; first segment smal], the second very large, the third and fol-
lowing very short.

Legs clavate, the tibial spurs weak, the basal joint of hind tarsi twice
the length of the second.

The two species in our fauna may be thus distinguished:

Legs black, the head and thorax microscopically shagreened.
First and second abdominal segments not striated, the latter hairy at base.
M. NIGRIPES Ashin.
Legs brownish-yellow, the head and thorax smooth, impunctured.
First abdominal segment and the second at base striated, not hairy.
M. CARINATA, Sp. Nov.

Monocrita nigripes Ashm.
Bull. No. 1, Col, Biol. Assoc., p. 8, 1890.

é. Length, 1.80. Black, subopaque, with a fine, granulated, or
Sshagreened sculpture; the face above the insertion of the antennee
with some transverse aciculations. Antenne 10-jointed, black, the
flagellum about twice the length of the scape, pedicel twice as long as
thick, narrowed at base, the second joint minute, the third, slightly
swollen outwardly, the following joints very slightly longer than wide,
truncate at tips and rounded off at base, or cup-shaped, connected by
a very short pedicel. Parapsidal grooves distinct, converging and

_almost meeting posteriorly. Secutellum high convex, with a deep,
transverse depression across the base. Mesopleura smooth, polished,
with a curved impression across the disk; metapleura densely covered
with a griseous pubescence; the metathorax and petiole more sparsely
pubescent. Legs black, the knees slightly, anterior legs beneath, and
all the tarsi, more or less piceous, or reddish. Abdomen highly polished,
oblong-oval, as long as the head and thorax together, the petiole not
longer than wide, the second segment occupying fully three-fourths of
its length, smooth, the following segments exceedingly short and about
equalinlength. Wings hyaline, pubescent, the submarginal and basal
veins distinct, the former knobbed at tip.

HABirat.—Greeley, Colo.

Type in Coll. Ashmead.

Nothing is known of the habits of this species, which was obtained
from H. F, Wickham.

ih

254 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Monocrita carinata, sp. nov.
(PlSxy, Figs 4s Oe)

?. Length, 1.20°, Black, shining, subpubescent; head transverse,
the face with a central longitudinal carina extending from the front —
ocellus to between the base of antenne. Antenne 10-jointed, the scape —
yellow, the flagellum brown ‘and twice the length of the scape; pedicel
long-oval; joint 1 of funicle small, the second enlarged; club 6-jointed,
the joints, except the last transverse-quadrate, the last cone-shaped,
slightly more than twice as long as the penultimate. Thorax with the
parapsidal furrows delicately impressed posteriorly, obsolete anteriorly.
Scutellum convex, smooth, with a carina surrounding the hind margin.
Legs brownish-yellow, the femora and tibiwe very slightly embrowned,
the coxe black. Tegule piceous-black. Wings subhyaline, pubescent, —
the submarginal vein brown, ending in a large rounded knob and with —
a distinct basal nervure. Abdomen oval, smooth, shining, the first seg-
ment and the second at base, striated.

HAsrrat.—District of Columbia.
Type in Coll. Ashmead.

Described from a single specimen, captured by Mr. E. A. Schwarz,
May 5, 1890.

ISOSTASIUS Forster.
(Type Platygaster punctiger Nees).
Hym. Stud., m1, p. 106 (1856).

Head transverse, vertex subconvex, occiput not margined; ocelli 3, —
in a triangle, rather close together, the lateral distant from the mar-
gin of the eye; eyes oval. Antenne inserted just above the clypeus,
10-jointed in both sexes, in the @ the 4 terminal joints forming a
large club, the last joint of which is the largest; pedicel cyathiform, —
much larger than the first funiclar joint; the four funiclar joints are
all small, moniliform; in ¢ with a 5-jointed club.

Thorax ovoid, the prothorax visible from above, rounded before; _
mesonotum smooth or punctate, with or without furrows; the seutellum
rather high, cushion-shaped or convex, separated at base from the —
mesonotum by a deep transverse furrow; metathorax very short.

Front wings with the submarginal vein terminating in a small knob 4
before reaching half the length of the wing.

Abdomen in @ conical-ovate, 6-jointed; in ¢ oval, 7-jointed, the
basal segment short, broader than long, the second very long and —
occupying fully two- ae of the whole surface, the following very
short.

Legs clavate, the tibial spurs 1, 1,1, the tarsi 5-jointed, the basal joint
of posterior tarsi 24 times as long as the second, or less than thrice as
long, 2 to 4 subequal, the last a little longer than the second.

peten: PSs Nets. .

Wie

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA, 255

Isostasius musculus Ashm.
CElsxr Eis o yor)
Can. Ent., x1x, p. 126; Cress. Syn. Hym., p. 249.

2. Length, 1.20™". Black, shining; head transverse, closely, finely,
inieroscopically punctate and subopaque, the lateral ocelli nearer to the
front ocellus than to the margin of the eye. Antenne 10-jointed,
piceous, or dark brown, the scape clavate, the pedicel longer and
thicker than the first two funiclar joints, the first and second funiclar
joints cylindric, nearly equal, the third and fourth small, transverse;
club enlarged, 4-jointed, the joints quadrate. Thorax with scarcely a
trace of furrows. Scutellum transverse, convex. Mesopleura acicu-
lated. Legs brown, the coxe black, the trochanters, base and apex of
femora, and tibive and all tarsi honey-yellow. Tegule black. Wings
hyaline, the submarginal vein terminating in a small, black knob.
Abdomen pointed ovate, polished, black, the basal segment rugose.

Hasiratr.—Jacksonville, Fla.

Type in Coll. Ashmead.

Isostasius fuscipennis, sp. nov.

@. Length, 1™". Black, shining; head anteriorly faintly sha-
greened, posteriorly transversely aciculated, the lateral ocelli about
twice their width from the margin of the eye. Antenne brown-black.
Thorax polished, with faint traces of furrows only posteriorly, the base
of the middle lobe thus formed projecting slightly upon the scutellum ;
mesopleura polished, impunctured, metapleura subopaque, — sha-
greened; scutellum convex, shining, margined posteriorly with a fine
whitish pubescence. Tegule black. Wings fuscous. Legs piceous,
the anterior femora, tibiwe, and tarsi, yellowish; middle and hind tarsi,
pale rufous.

Abdomen as long as the head and thorax, polished, the first seg-
ment striated, the second, at base sulcate.

HABiTat.—Washington, D.C.

Type in Coll. Ashmead.

Described from a single specimen, collected by Mr. EK. A. Schwarz.

Isostasius arietinus Prov.
Add. et Corr., p. 183.
Beoneura arietina, Prov., Add. et Corr., p. 403.

9. Long.11 pee. Noir, avec la bouche, le scape des antennes et les pattes, d’un
beau jaune-miel. Téte aussi large que le thorax, & antennes fortes, le scape fort,
arqué, jauné ainsi que Varticle qui le suit,le reste formant une forte massue brune
recourbée en corne de bélier. Mesonotum avec 3 sillons bien distinets. Ailes hya-
lines, avec la sous-marginale brune se terminant dans un stigma grand et épaissi qui
donne naissance 4 un radius se dirigeant vers le sommet de Vaile. Pattes jaunes,
hanches noires. Abdomen sessile, poli, brillant, droit, taritre non sortante. La
téte et le thorax sont trés finement ponctués et les 2 ocelles basilaires sont plus rap-

prochés de apical que du coin interne des yeux. (Provancher.)

HABITAT.—Cap-Rouge, Canada.
Unknown to me.

256 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.
INOSTEMMA Haliday.

Ent. Mag., 1, p. 270 (1833); Forster, Hym. Stud., 11, p. 107 (1856).
(Type I. Boscii Jurine.)

Head transverse, the frons convex, the occiput often impressed, rarely
distinctly margined; ocelli 5 in a triangle, the lateral being nearer to
the margin of the eye than to the front ocellus; eyes rounded.

Antenne inserted just above theclypeus, 10-jointed, the scape clavate,
in the 2 terminating in a 4-jointed club, in ¢ with a 5-jointed club, the
last funiclar jomt very minute.

Thorax ovate, the mesonotum with 2 delicate impressed lines, often
obsolete anteriorly; the scutellum semicircular, subconvex, separated
from the mesonotum by a straight impressed line; the metathorax short,
sloping, unarmed.

Front wings with the submarginal vein abruptly terminating in a
stigma before attaining the middle of the wing.

Abdomen in 2 pointed-ovate, subcompressed below, 6-jointed, the first
seginent always with a horn extending forward over the thorax, the
second very long, the following very short, about equal in length; in é
shorter, oblong oval, with the tip rounded, 7-jointed.

Legs clavate, the tibial spurs 1, 1,1, the basal joint of posterior tarsi
about three times as long as the second, 2 to 4 subequal, the last as long
as the second.

The horn-like structure at the base of the abdomen venders the females
in this genus easy of recognition, while in the males the position of the
ocelli and the antennie must be carefully examined or they will be apt
to be confused with those in closely allied genera.

TABLE OF SPECIES.

FEMALES.

Head finely microscopically punctate, the thorax smooth, shining. -.....--..-.-.--- 2
Head and thorax punctulate or shagreened, subopaque.
Vertex impressed at the middle, frons with a median furrow.
Antenne wholly black. i
All coxze and femora black (femora sometimes piceous), tibiz and tarsi yellow-
ish or brownish-yellow.
Scapule with a distinct median impressed line; metapleura with silvery
pubescence. 24253 4.ce cose oc co seen eee I. CRESSONI Ashm.
Scapule without an impressed line; tibiz fuscous; metapleura sericeous

I. HORNI Ashm.
Vertex not impressed.

Scape yellow.
All coxe black, club of femora fuscous, rest of the legs brownish-yellow.
Scapule without an impressed line, abdominal horn extending only to the
middle ofthorake eno e. eee eee eee See epee J. PACKARDI Ashm.
2. Vertex not impressed in the middle, frons without a median furrow.
Antenne brown-black.
Cox and legs dull rufous or piceous, trochanters, knees and tarsi pale.
Metapleura finely striated, subsericeous ...-..--....--<<--- T. RtLeEY!I Ashm.

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 257

Vertex impressed in the middle, frons with a medial furrow.

Coxe black, legs dull rufous, base of tibia and tarsi yellow.
MetapleunanvernyenoOUo leer sees eee atte aera nee oer I. CALIFORNICA, sp. nov.
Metapleura smoother, but delicately punctate, with a deep sulcus.

I. LINTNERI, sp. nov.

Inostemma Cressoni Ashm.
(BEExire bio 65 Or)
Can. Ent., X1Ix, p. 127; Cress. Syn. Hym., p. 249.

?. Length, 2 to 2.2°". Black, subopaque, minutely punctulate or
shagreened; head transverse, the vertex at the middle and posteriorly
impressed, the face with a median depression above the insertion of the
antenn, the lateral ocelli touching the border of the eye. Antenne
black or brown-black, the extreme apex of the pedicel yellowish, first
two funiclar joints slender, cylindrical, the third and fourth small; club
4-jointed, the second and third a little longer than wide, the last con-
ical. Thorax with delicate but complete parapsides, the middle lobe
a little concave at the middle for the reception of the abdominal horn,
the scapul with a longitudinal grooved line; mesopleura faintly acic-
ulated, deeply foveated, the fovea extending from beneath the tegule to
between the middle and hind cox, metapleura with a whitish or sil-
very pubescence. Legs black or piceous, the tibiz and tarsi pale brown
or yellowish. Wings hyaline, the tegule rufo-piceous. Abdomen pol-
ished, shining, longer than the head and thorax together, pointed and
curving upward at tip, the horn long and extending forward over the
thorax to the vertex of head, second ventral segment with 2 aciculated
sulci at base.

HABITAT.—Jacksonville, Fla. +

Type in Coll. Ashmead.

Inostemma Horni Ashm.
Can. Ent., x1x, p. 126; Cress. Syn. Hym., p. 249.

62. Length, 1to14™". Black, subopaque, closely, finely punctu-
late, the thorax above lustrous; head transverse, the vertex impressed
deeply at the middle, the face with a median impressed line. Antenne
black, the pedicel and first two funiclar joints a little pale at tip, sub-
equal, the third and fourth, minute; club 4-jointed, the second and
third joints a little wider than long. Thorax with complete parapsidal
furrows, the scapul most frequently without a trace of an impressed
Ine; mesopleura polished, foveated but not aciculated; metapleura
pubescent. Legs black or piceous, the tarsi yellowish, the tibize paler °
basally; wings hyaline, the tegule black or piceous. Abdomen pol-
ished black, as long as the head and thorax together, the horn extend-
ing over the thorax to the vertex of head,finely, longitudinally acicu-
lated and much thicker at tip than at base; first segment and second
at base, striated.

21899—No, 45

17

258 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

In the 4 the first and second funiclar joints are about equal, oval, the
third small, the club 5-jointed, pubescent, the joints, except the last,
not longer than wide, slightly pedicellate; lateral ocelli about their
width from the eye margin; while the second abdominal segment at
base has two oblong, nearly confluent, finely punctate fovew, the first
segment with three grooved lines above.

HABITAT.—Jacksonville, Fla.

Types in Coll. Ashmead.

Described from many specimens.
Inostemma Packardi Ashm.
Can. Ent., x1x, p. 127; Cress. Syn. Hym., p. 249.

9. Length, 1.4", Black, subopaque, closely, finely punctulate or
shagreened. Head transverse, the vertex not impressed, the lateral
ocelli not touching the margin of the eye. Antenne 10-jointed, brown-
black, the scape yellowish, fuscous at the middle, the pedicel yellowish
at tip; first two funiclar joints about equal, shorter than the scape,
third and fourth minute, club 4-jointed, stout. Thorax shining, the
parapsidal furrows very indistinct anteriorly, the scapule without a
distinct impressed line. Wings hyaline. Legs brownish-yellow, the
coxe black, the thickened part of femora fuscous. Abdomen not longer
than the head and thorax together, the horn not extending much be-
yond the middle of the thorax, obliquely truncate at tip, basal segment
and the second at extreme base finely striated.

HABITAT.—Jacksonville, Fla. .

Type in Coll. Ashmead.

Described from a single specimen. The short abdominal horn and
the lateral ocelli not touching the margin of the eye readily separate
the species.

Inostemma Rileyi Ashm.
Can. Ent., x1x, p. 127; Cress. Syn. Hym., p. 249.

é 2. Length, 0.5 to 0.8™™. Black, polished; the head finely micro-
scopically punctate, but shining, the vertex not impressed at the mid-
dle; the frons convex without a median groove, the lateral ocelli not
touching the margin of the eye. Antenne 10-jointed, dark brown, the
apex of pedicel yellowish; second funielar joint subequal with the first,
very little longer than thick, third and fourth minute; club 4-jointed,
stout, the joints, except the last, broader than long; in é with a 5-jointed
club, the joints a little longer than wide, slightly pedicellate, hairy, the
last conical; funiclar joints 1 and 2 very little longer than thick, the
second obliquely truncate at tip, the third, small, subtriangular.
Thorax with the parapsidal furrows indistinct or wanting, the scapule
without a grooved line. Wings hyaline, the tegule piceous black.
Legs brownish-piceous, the trochanters, base of tibiz, and tarsi yel-
lowish. Abdomen not longer than the head and thorax together, the

:

“ MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDE. 259

horn not extending over the vertex of the head; first segment and
the extreme base of second striated.

HaAsriratr.—Jacksonville, Fla.

Type in Coll. Ashmead and National Museum.

Described from many specimens.
Inostemma californica, sp. nov.

62. Length, 1 to 1.6". Black, subopaque, closely finely punctu-
late, the mesonotum less distinctly punctate, shining. Head transverse,
the vertex at the middle posteriorly, impressed. Antenne 10-jointed,
black, the scape one-third shorter than the flagellum; pedicel longer
than the first funiclar joint, first funiclar joint almost as long as the
second and third together, second, third, and fourth joints all small,
the last the smallest, club 4-jointed, the first the narrowest, second and
third quadrate, the last conical, longer than the preceding. In ¢ the
club is 5-jointed, the flagellum nearly twice as long as the seape, the
pedicel as long as the first two funiclar joints, the third being minute.
Thorax with 2 faint furrows. Mesopleura with a deep, glabrous impres-
sion on the disk, extending to the middle cox. Metapleura finely
rugose, with raised lines. Tegule rufo-piceous. Wings hyaline, not—
fringed, the submarginal vein with the knobbed tip, black. Legs pice-
ous-black, the trochanters, anterior tibie beneath and at tips, base of
middle and posterior tibive, and all tarsi pale brownish-yellow. Abdo-
men slightly longer than the head and thorax together, pointed fusi-
form, smooth and shining; the basal segment finely rugose, in ° witha
large horn extending forward over the thorax to the vertex of head,
finely longitudinally aciculated, and becoming distinctly striated at
base; the second segment is long, slightly longer than the five follow-
ing segments united, with a fovea and some faint strive at base. In
the ¢ the basal segment has no horn and is longitudinally striated.

HABiTatT.—Los Angeles, Cal.

Types in National Musium.

Bred by A. Koebele, from a Cecidomyiid gall on Telypodium integ-
rifolium.

Inostemma Lintneri, sp. noy.

?. Length, 1". Black, polished, the head subopaque, closely mi-
croscopically punctate, the vertex slightly impressed in the middle, the
face with a median furrow, the lateral ocelli a little away from the
margin of the eye. Antemne 10-jointed, brown-black, the apex of
pedicel yellowish; first funiclar joint slender, more than twice longer
than thick; second two-thirds the length of the first; third and fourth
minute; club 4-jointed, the joints, except the last, a little wider than
long. Thorax smooth, shining, with distinct furrows, the scapale with
a faint trace of an impressed line; mesopleura polished foveated; meta-
pleura finely delicately punctate with a deep sulcus. Wings hyaline.

260 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Abdomer. polished, the first segment and the second at extreme base,
striated, the horn extending forward to vertex of head. Legs brownish-
piceous, the cox black, the trochanters, base of tibix and tarsi yel-
lowish, the anterior tibiw being mostly yellow except above at the middle.
HaAbrrat.— Washington, D. C.
Type in Coll. Ashmead.

ACEROTA Forster.
Hym. Stud. 1, -:p. 107 (1856).
(Type not described )

Head transverse, the vertex subconvex, the occiput margined; ocelli
3, in a curved line, the lateral distant from the margin of the eye, but
slightly nearer to it than to the front ocellus; eyes rounded.

Antenne inserted just above the clypeus, 10-jointed, in 2 terminating
in a 4-jointed club, the pedicel longer than the first funiclar joint; in ¢
subfiliform, the pedicel not longer than the first funiclar joint, the club
5- or 6-jointed, the terminal joint more than twice as long as the penul-
timate and scarcely thicker than the first funiclar joint.

Thorax ovate, the mesonotal furrows. distinct, deep, and entire;
scutellum convex or subconvex, separated from the mesonotum by a
transverse line, and with a frenum or carina posteriorly; metathorax
rather short.

Front wings with the submarginal vein terminating m a stigma at
about one-third the length of the wing.

Abdomen long-oval, the first segment not or scarcely longer than
wide, striated, the second larger, occupying about half of the remain-
ing surface, the following segments short.

Legs clavate, the tibial spurs 1, 1,1, the basal joint of posterior
tarsi, about 24 times as long as the second, 2 to 4 subequal, the last
not quite as long as the second.

Closely allied to Inostemma, but the female without: a horn at the
base of the abdomen, the mesonotal furrows more sharply defined, the
second funiclar joint in the male longer and cylindrical.

TABLE OF SPECIES.

Head and thorax closely punctulate.
Hind cox alone black: 2222 acc 2c tices wanes ojos eeu se leee ee eae seca Bee eee
All coxee black.

Mesonotum with a distinct longitudinal carina at the base of the middle lobe,
with irregular raised lines on either side of it.
Antenne browlisblacks = 22 7-sceee-- eee eee A. CECIDOMYLE, sp. nov.
Mesonotum with no raised lines at base of the middl« lobe.
Legs rufous, the femora and sometimes the tibizwe fuscous or black.
Face with fine longitudinal striw toward base of antenne, the middle of
frons nearly smooth, shining; antennze dull rufous.
A, FLORIDANA Ashm,

]

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 261

Face with no fine strie toward base of antenne, finely, closely punctate;
antenne brown-black, the scape black ( ¢ ).
A. MELANOSTROPHA Ashm.
2. Legs yellow. :
Scape, pedicel and first funiclar joint yellow, rest of the antennz fuscous or
DLO Wilt eestroenae tere ents aisieracie set oes See eeeeis Sees A. CARY Ashm.

Acerota cecidomyie, sp. nov.

6. Length, 2™™. Black, closely punctulate, subopaque; thorax
with distinct parapsidal furrows, the middle lobe posteriorly with a
delicate longitudinal carina and some irregular raised lines on either
side; scutellum closely punctate, acutely rimmed posteriorly. An-
tenne 10-jointed, black, the flagellum twice as long as the scape;
pedicel not longer than the first funiclar joint, second funiclar joint
slightly longer than the first, third, smaller and not so thick; elub 5-
jointed, the joints, except the last, almost equal, the first being slightly
the smallest, the last conical, slightly more than twice as long as the
penultimate. Metapleura covered with a sparse whitish pubescence.
Legs brown-black, the cox black. Tegule black. Wings hyaline,
not fringed and scarcely pubescent, the submarginal vein brown, its
knob piceous. Abdomen long-oval, very slightly longer than the
thorax, polished, first segment as long as wide, striated, with a trans-
verse depression at the middle.

HABITAT.—Lancaster, Los Angeles County, Cal.

Types in National Museum.

Bred by A. Koebele, August, 1887, from a Cecidomyiid gall on Ephe-
dra californica.

Acerota floridana Ashm.

Can. Ent., x1x, p. 128; Cress. Syn. Hym., p. 249.

2. Length, 2™". Subrobust, black, subopaque; the head and tho-
rax closely microscopically punctulate; abdomen highly polished, the
first segment wider than long, striated. Head transverse, the vertex
broad, the ocelli in a slightly curved line, the lateral ocelli about their
width from the eye margin. Antenne dark brown; pedicel longer
than the first and second funiclar joints together; second funiclar
joint not wider than long, a little shorter than the first; third trans-
verse and wider than the second; club joints stouter, wider than long.
Thorax with distinct parapsidal furrows, subopaque, microscopically
punctate; scutellum convex with a raised margin posteriorly; angles
of metathorax prominent, densely covered with a silvery white pubes-
cence, as well as the metapleura. Wings hyaline. Legs dull rufous,
the cox black, the femora fuscous.

Hapirar.—Jacksonville, Fla.

Types in Coll. Ashmead.

262 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Acerota melanostropha Ashi.
Monocrita melanostropha Ashm., Can, Ent., X1x, p. 126; Cress. Syn. Hym., p. 249.

692. Length, 1.5 to 2"". Black, subopaque, closely punctulate;
abdomen, except the petiole which is striated, highly polished, impunc-
tate; antenne brown-black; legs rufous; the posterior femora obfus-
cated; sometimes all the coxe and femora, and sometimes the tibiz,
fuscous. Wings hyaline, the submarginal vein ending in a fuscous or
blackish knob. Antenne 16-jointed; in the é the pedicel slender and
much shorter than the first funiclar joint; first and second funiciar
joints stout, the second the shorter; third slenderer, about twice as
long as thick; all the joints are covered with a fine, whitish pubes-
cence. In the 2? the pedicel is longer than the first and second funi-
elar joints, the club joints transverse. Head transverse, closely punc-
tate, obliquely narrowed behind the eyes; the face shortened, its width
between the eyes longer than from the vertex to the mandibles. Tho-
rax trilobed, the middle lobe with two short indistinct lines anteriorly.
Scutellum closely punctate, bounded by a carina behind. Metathorax
carinated at sides.

HABITAT,—Jacksonville, Fla.

Types in Coll. Ashmead.

Described from several specimens. The species was wrongly de-
scribed under the genus Monocrita. The much longer funiclar joints,
sculpture, and color of the legs separate it from A. cecidomyie, while
its subopaque, closely punctulate surface, the non-striated face, and
the impressed lines on the middle lobe of the mesonotum separate it
from A. floridana and A. carye.

Acerota carye Ashm.
(Blea oi)
Can. Ent., xix, p. 128; Cress. Syn. Hym., p. 249.

$92. Length,1.5 to 2.1", Much like A. meldnostropha; the thorax
smoother and more shining, very faintly microscopically punctate; the
head much as in melanostropha, but the face always with a deep median
furrow; antennie, except the 4-jointed club, and the legs, except the
posterior coxe, wholly brownish-yellow; the second abdominal seg-
ment finely striated at base above; the pedicel and first and second funi-
clar joints are long and slender, cylindrical, while the club joints, except
the last, are transverse.

Hapirat.—Jacksonville, Fla.

Types in Coll. Ashmead.

Described from many specimens. The species varies in size, but is
constant in the color of the legs and antenne.

Tribe II.—PLATYGASTERINI.

To this tribe belong all species with veinless wings. The genera are
more numerous and much more difficult to separate than in the Ino-

4
'
‘
<
.

ws Seta

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDE. 263

stemmini, but it is believed the table below will be found all that is
necessary to distinguish them. If, however, the student should be at
fault the full generic description may be consulted.

TABLE OF GENERA.

FEMALES.

Scutellum not lengthened, semicircular, either flat or convex and unarmed.... 5
Seutellum lengthened, never semicircular, or when shortened it is compressed
at sides and furnished with an awl-shaped thorn or tubercle at tip. 2

2. Scutellum with a strong awl-shaped thorn at tip..........................---- 3
Scutellum witha short thorm or tubercle at tip: -----22-2--.----.2..-+-5-22eee 4

Scutellum lengthened, triangular, often produced into a long, acute spine.
Thorax strongly compressed from the sides.

Headlarge; rounded) or quadrate.-2----- 2-2-2. -22..-.- PIESTOPLEURA Forst.
Thorax not strongly compressed from the sides.

Mesonotal furrows deep, parallel posteriorly_-.........-.. XESTONOTUS Forst.

Mesonotal furrows feebly impressed or wanting..--..---- AMBLYASPIS Forst.

3. Lateral ocelli nearer the margin of eye than to the apical ocellus; antennal club

Pe VOUMGE Ce ecrse etter ee ye ee ee Ye Bo LeEpracis Forst.

Lateral ocelli not nearer the margin of eye than to the apical ocellus; antennal

Cli) Olnitie disease aes ee ee ISORHOMBUS Forst.

4. Abdomen very much lengthened; antennal club 5-jointed. Lateral ocelli as near
to the front ocellus as to the margin of the eye .. PoLyMrcus Forst.
Abdomen not especially lengthened; antennal club 4-jointed.
Second ventral segment strongly compressed, sack-like; lateral ocelli their
Wid Chytromyuheveve mano imo). 20 2s ee SACTOGASTER Forst.
Second ventral segment normal; lateral ocelli close to the eye margin.
SYNOPEAS Forst.
rE OR III OMY CMa. tara see) esa ee sate) aaa. 2 aye Sate aes) ae ho ree Sences owe See 6
Scutellum cupuliform as in the Cynipid genus Eucoila.
C@LOPELTA Ashm., gen. nov.
Scutellum not cupuliform, flattened.
Mesonotal furrows wanting; antennie 10-jointed, the club 4-jointed.
ANOPEDIAS Forst.
Mesonotal furrows usually distinct; antenne 8-jointed, club not jointed.
Amitus Hald.
Ppocutellumiuwath a buttof hairiat.tip--.--s.2s22+s2+2 252 ose 2. occ TRICHACIS Forst.
Seutellum without a tuft of hair at tip.
Abdomen very much lengthened. (Polymecus.)
Abdomen not much lengthened.
Margin of abdomen very broadly deflexed ...........--- HyPpocampPsis Forst.
Margin of abdomen normal.
Thorax short; the scutellum pillow-shaped, separated from the mesonotum
by a deep furrow; mesonotal furrows rarely distinct or complete.
Noi keel between thevamtenne-2-2.5.-5--.-+2..-2+2.---- POLYGNOTUS Forst.
A sharp distinct keel between the antenne.
ERITRISSOMERUS Ashmn., gen. nov,
Thorax more elongate; scutellum not separated from the mesonotum by a
deep furrow. Mesonotal furrows distinct, complete.
Lateral ocelli nearer the margin of the eye than to the apical ocellus;

Ne aAdgiransS Verseee se ee ee PLATYGASTER Latreille _
Lateral ocelli nearer to the apical ocellus than to the margin of the eye;
IneGad cubital yee sa5 ese oeeaces <ace cies Sess ees eee IsocyBus Forst.

~264 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

MALES.

Seutellum not lengthenea, semicircular, either flat, convex or cupuliform, and
unarmed. ..):42...22 Sate ee ook cee Cee eee ae ie eee rere 5

Scutellum lengthened, never semicircular, or when shortened it is compressed
at sides and furnished with an awl-shaped thorn or tubercle at tip. 2

2. Scutellum with a strong awl-shaped thorn at tip........:...-.--.-....-----... 3
Scutellum with a short thorn or tubercle at tip!=--- 2-2-2 2-2 ae eee 4

Scutellum lengthened, triangular, often produced into a long, acute spine.
Thorax strongly compressed from the sides.

Head large, rounded or quadrate=2---- == ---.------ === PIESTOPLEURA Forst.
Thorax not strongly compressed at sides.
Mesonotal furrows deep, parallel posteriorly. .....--..--- XESTONOTUS Frst.
Mesonotal furrows very feebly impressed or wanting. --- - AMBLYASPIS Forst.
3. Lateral ocelli nearer the margin of the eye than to the apical ocellus.
Lapracis Forst.
Lateral ocelli not nearer the margin of eye than to the apical ocellus.
ISORHOMBUS Forst.
A Abdomen muchwlenrihened esse] see ee eee a eee eee PoLYMECUS Forst.
Abdomen not especially lengthened.
Ocelli their width from the margin of the eye. .........SACTOGASTER Forst,
Ocelli close to the eye marpine fos. =) seo pa meee SYNOPEAS Forst.
5) Scutellum Convex 2.2522 22e. sc seks eee + oe leeciee eee eS eee a eee eee 6
Seutellum cupuliform as in Cynipid genus Eucoila..C@LOPELTA Ashm. gen. nov.
Seutellum quite flat.
Mesonotal furrows wanting or distinct; antenne 10-jointed.
Seutellum separated from mesonotum by a delicate transverse grooved line,
not foveate at base; antennw subclavate, not verticillate.
ANOPEDIAS Forse
Mesonotal furrows usually distinct; antenne verticillate.
Amitus Haldeman,
6. Scutellum witha tutt of hhair at tiptsss-- esses. =s5- emcee nee TRICHACIS Forst.
Seutellum without a tuft of hair at tip.
Margin of abdomen very broadly deflexed -......-..------ HyPpocaMPsIs Forst.

Margin of abdomen normal.

Thorax short; the scutellum pillow-shaped, separated from the mesonotum

by a deep furrow; mesonotal furrows rarely distinct or complete.
No keel between the antenne.---...-.-.---.---- POLYGNOTUS Forst.
A sharp distinct keel between the antenne, third joint strongly dilated.
ERITRISSOMERUS Ashm. gen. nov.
Thorax more elongate; scutellum not separated from the mesonotum by a
deep furrow; mesonotal furrows distinct, complete, rarely incom-

plete.

Lateral ocelli nearer the margin of the eye than to the apical ocellus.
PLATYGASTER Latr.
Lateral ocelli nearer to the apical ocellus than to the margin of the eye.
IsocyBus Forst.

-

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDE. 265
PIESTOPLEURA Firster.
Hym. Stud. 11, p. 144 (1856); Catillus Forst. loc. cit., p. 107.
(Type P. Catillus Walk.)
(Bisex Bao Or)

Head large, rounded, twice the breadth of the thorax, the occiput
margined; ocelli 3, in a triangle, the lateral close to the margin of the
eye.

Antenne inserted just above the clypeus, 10-jointed in ¢°, with a
4-jointed club, the pedicel much larger than the funiclar joints, the club
joints transverse; in ¢ the first and third funiclar joints are much thick-
ened, about as thick as the pedicel, the second, as long as the two pre-
ceding together, spindle-shaped, not especially thickened, club 4-jointed,
the joints long, cylindric, slightly pedicellate, pilose.

Thorax strongly compressed, 24 times as long as wide and highly
convex, higher than wide, mesonotal furrows but slightly impressed,
obsolete anteriorly, scutellum with a spine or small thorn.

- Front wings pubescent, ciliated, entirely veinless.

Abdomen long-ovate, 6-jointed and more pointed at apex in the 2,
7-jointed and rounded at apex in 4, the second segment very long,
occupying fully. more than half the whole surface.

s Legs clavate.

My

In the shape of the head and the strongly compressed thorax this
genus is quite distinct from those that follow.

Piestopleura maculipes Ashm.
Can. Ent., x1x, p.128 9 (Catillus): Cress.Syn. Hym., p. 249.

2. Length, 0.8°". Polished black; antenn and legs, rufous; club
of antenne 4-jointed, black or brown-black; pedicel long; funiclar joints
small. Head much wider than the thorax. Thorax with indications
of furrows posteriorly. Scutellum ending in a small spine, subpubes-
cent. Metathorax very short, pubescent, with a prominent median
keel. Abdomen about as long as the head and thorax together, oblong,
the petiole striated, subpubescent. Wings hyaline.

HABiITatT.—Jacksonville, Fla.

Type in Coll, Ashmead.

XESTONOTUS Forster.
Hym. Stud., 1, p. 107 (1856).
(Type X. refulgens Forst.)

Head transverse, the occiput margined, the face subconvex; ocelli 3,
triangularly arranged, the lateral nearer to the margin of the eye than
to the front ocellus ; eyes oval.

266 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Antenne inserted just above the clypeus, 10-jointed in 2 , with all the
joints lengthened and thickened toward the apex, without a distinct
club; in ¢ the first flagellar joint very small, the second very much
thickened, the third the length and thickness of the pedicel, the five
following joints cylindrical and slightly pedicellate.

Thorax ovate, the mesonotum with 2 distinct furrows, the scutellum
triangularly lengthened, acute.

Front wings veinless.

Abdomen long ovate, the second segment very large, the following
short, the first short, narrowed; in 2 segments 3 and 6 united are only
two-thirds the length of the second.

Legs clavate.

(?) Xestonotus andriciphilus Ashm.
(Plex, Big. 9580")
Can. Ent., x1x, p. 128,9; Cress. Syn. Hym., p. 249.

2. Length, 1.8". Black; face finely punctate; antenne and legs
brownish-yellow. Mesonotum with 2 sharply defined parallel furrows.
Seutellum not greatly prolonged, but subcompressed at sides. Wings
hyaline.

HABiITatT.—Jacksonville, Fla.

Type in Coll. Ashmead.

Originally described from one specimen reared from the Cynipid
oak gall, Andricus blastophagus Ashi.

AMBLYASPIS Forster.
Hym. Stud., m1, p. 107 (1856).
(Type A.aliena Forst.).

Head transverse, the vertex subacute; the occiput delicately mar-
gined; ocelli 3, in a triangle, the lateral very close to the margin of
the eye.

Antenne inserted just above the clypeus, 10-jointed, the scape very
long, subclavate and curved, in 2 with a 4-jointed club, the first two
joints loosely joined, the nes two usually closely joined; in é witha

5-jointed club, the joinis oval and loosely joined or pedicellate. .

Thorax ovate, slightly compressed at sides, the mesonotum convex,
entirely without furrows or these only faintly traceable posteriorly ; seu-
tellum high, elongate, triangular, and usually produced into a long acute
spine, extending high over the metathorax and scarcely separated from
the mesonotum; metathorax usually densely pubescent or woolly.

Abdomen subovate or oblong-oval, not or scarcely longer than the
thorax, the first segment petioliform, fluted and pubescent, the second
segment large, occupying fully half of the remaining surface, without
foveole at base, the following segments short, equal in length.

Legs long, che femora and tibie strongly clavate, the tibial spurs 1,

‘

wena:

|

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDE. 267

1, 1, distinct, the tarsi 5-jointed, longer than the tibie, the basal joint
of hind tarsi three times as long as the second.

As here defined, this genus is divisible into two sections by the
shape of the scutellum; in one section the scutellum is triangular, not
produced into a long acute spine; in the other the scutellum is pro-
duced into a long acute spine projecting far over the metanotum, and
it seems to comprise species that by some authors are included in the
genus Leptacis. But Leptacis, as understood by me, is quite different,
the scutellum being produced into a short curved spine or tubercle, and,
as defined in this work, agrees more nearly with the genus Ceratacis

Thomson.
TABLE OF SPECIES.
FEMALES.
Seutellum not or faintly pubescent, the apex produced into an acute spine..._.. 2

Scutellum covered with a short dense pubescence, apex not produced into an
acute spine, triangular.
Legs brown, trochanters, base of tibizw, and tarsi honey-yellow; antenne dark
brown, wings with a short fringe.
A. OCCIDENTALIS, sp. noy.
Legs brownish yellow; antenne dark brown, scape pale beneath at base;

AVIS Sawn ve ON PetriN eels sete sey eee nieccice aoa A. CALIFORNICUS, sp. nov.
Legs and antenne pale yellow, the flagellum brown; wings with ashort fringe;
oe J “ DoD , DS 2,
WELIOLe MALO Nes aes ae oye sits cine Sn ome Senos ae A. PETIOLATUS, Sp. noy.

2. Spine of scutellum long, extending far over the metathorax, yellow; wings with
long ciliz.
Legs reddish-yellow, tips of posterior femora and tibie brown; tibial spurs
short;) petiole ‘black, pubescent. .-..:...-2--..--..---- A. AMERICANUS Ashm.
Legs uniformly reddish-yellow or yellow; legs not especially lengthened, the
hind tarsi shorter than their tibiz.
Head highly polished; middle and posterior tibial spurs being long; the

peviolesyellow,, pubescemte.s---5-2-- 244 05-<56 A. MINUTUS, sp. noy.
Head rugulose, opaque; middle and posterior tibial spurs very short, scarcely
developed; petiole black, pubescent........-- A, RUGICEPS, sp. nov.

Head highly polished; femora and tibie brown or fuscous; the legs length-
ened, the hind tarsi longer than their tibiz ; petiole black, pubescent.

A. LONGIPES Ashm.

MALES.
Scutellum scarcely pubescent, produced into an acute spine ...-... Se 1s Ne Se 2
Scutellum covered with a short, dense pubescence, the apex not acutely pro-

duced.
Legs pale, brownish-yellow; the flagellum dark brown.
A. CALIFORNICUS, sp. nov.
2. Antenne and legs honey-yellow or reddish-yellow.

Club joints not much longer than wide................... A. MINUTUS, sp. nov.
Club joints five or six times longer than wide..........---- A. LONGIPES Ashm.
Tips of posterior femora and tibixe fuscous; club joints about five times as long
EAS RAW il CL © fersrat tare eee apc er eee Boia A. AMERICANUS.

Amblyaspis occidentalis, sp. nov.
?. Length, 0.8"". Polished black, impunctured; antenne brown-
black, the scape pale at base; legs brownish, trochanters, base of tibiz

268 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

and tarsi, honey-yellow. Antenne 10-jointed; pedicel a little shorter
than the first two funiclar joints together; firstand second funiclar joints
equal, third much shorter and more slender, fourth transverse; club
4-jointed, the last two joints closely united, the first two about equal, a —
little wider than long, rounded off at base. Scutellum triangular,
pubescent, very slightly impressed on each side at base, but medially
subconvex and not separated from the mesonotum. Metathorax and
metapleura pubescent. Wings hyaline. Abdomen as long as the head
and thorax together black, polished, the vetiole and base of second
segment pubescent.

HABrrat.—Riley County, Kans.

Type in Coll. Ashmead.

Described from a single specimen received from Mr. C. L. Marlatt.

Amblyaspis californicus, sp. nov.

$6 ¢@. Length, 1.60". Black, smooth, shining; scutellum, meta-
pleura, hind coxe, and petiole, rather densely pubescent. Antenne
10-jointed, dark brown, the scape brownish-yellow, more or less dusky
above toward apex; pedicel longer than the first funiclar joint, the latter
twice as long as thick, the second slightly shorter, the third still
shorter, the fourth minute; club 4-jointed, stouter than the funicle, the
first and second joints quadrate, slightly pedicellate, the two following
closely joined, forming a cone. Thorax narrowed towards the head, the
collar forming a slight neck, smooth, convex, without furrows. Legs,
except the black cox, browish-yellow, or honey-yellow, pubescent, the
trochanters long. Wings long, hyaline, fringed.

Abdomen as long as the thorax, smooth, polished, the petiole pubes-
cent. Inthe ¢ the pedicel is as long as the second funiclar joint, the
first funiclar joint only half as long as the second; the club 6-jointed
cylindrical; the joints twice as long as thick, all slightly pedicellate.

HABITAT.—Marin County, Cal.

Types in National Museum.

Described from 1 é, 1 2? specimen received from A. Koebele.
2 Amblyaspis petiolatus, sp. nov. i

é 92. Length, 0.8"™, Polished black, impunctured; antennie, ex-
cept club, legs, and petiole bright yellow; flagellum in ¢ brown.

In the 2 the pedicel is almost as long as the first and second funiclar
joints together; second fu niclar jointabout two-thirds the length of the
first, the first being twice as long as thick; third and fourth small;
club 4-jointed, the first two quadrate, the last two closely jointed, con-
ical; in ¢ the flagellum is pale brown, the club joints not wider than
long, slightly pedicellate. Lateral ocelli twice their width from the eye
margin. Thorax convex (in é piceous at sides) without furrows. Seu-
tellum triangular, not acutely spined at tip, more or less pubescent,
with a fovea on each side at base. Metathorax pubescent. Wings

*

i

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 269

hyaline with a short fringe. Abdomen ovate or elliptic-oval, the
petiole longer than thick, pale, pubescent.

Hapsirat.—Jacksonville, Fla.

Type in Coll. Ashmead.

Amblyaspis americanus Ashm.
Can. Ent., x1x, p. 129; Cress. Syn. Hym., p. 249.

?. Length, 1™™. Polished black, impunctured; antenne and legs
honey-yellow. or brownish-yellow; the tips of posterior femora and
tibie dusky; club brown, the joints, except the last, not longer than
wide. Lateral ocelli only their width from the eye margin. Secutellum
produced into a long, acute, yellowish spine. Metathorax and petiole
covered with a white pubescence. Wings hyaline, longly fringed.
Abdomen oval, polished black, the petiole a little longer than wide,
densely pubescent.

Hasitat.—Jacksonville, Fla.

Type in Coll. Ashmead.

Amblyaspis minutus, sp. nov.

2. Length, 0.6 to 0.87". Polished black, impunctured; Jateral
ocelli close to the border of the eye; antenne (except club) and legs,
yellow or reddish-yellow, with the tips of posterior femora and tibize
sometimes dusky. Scutellum acutely spined, the spine yellow. Funi-
cle very slender, the first, third, and fourth joints minute, the second
very long and slender; club stout, the joints, except the last, not, or
scarcely, longer than wide. Wings hyaline, strongly fringed. Abdo-
men oval, the petiole yellowish, pubescent.

HABitat.—Washington, D. C.; St. Louis, Mo.

Types in Coll. Ashmead and National Museum.

The specimens in the National Museum were reared by Dr. Riley, at
St. Louis, Mo., July 10, 1870, from Cecidomyia sp. in squash.

Amblyaspis rugiceps, sp. nov.

62. Length, 0.8", Polished black, impunctured; frons and face
transversely rugulose; antennie and legs yellow or reddish-yellow, the
thickened parts of middle and posterior femora and tibis sometimes
dusky or brown; club usualiy obfuscated or brown. Lateral ocelli
about twice their width from the eye margin. Club joints a little
longer than wide. Scutellum acutely spined, yellowish at tip, foveated
on each side at base, subpubescent. Metathorax covered with a white!
pubescence. Wings hyaline, strongly ciliated. Abdomen oval, the
petiole not longer than thick, striated and pubescent.

The face in the éis very rugose, the club joints about 24 times as
long as thick, the second funiclar joint a little swollen, the first very
minute and closely joined to the second, while the legs are paler and
more uniformly yellow.

HaABItTatT.—District of Columbia.

Type in Coll. Ashmead,

270 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Amblyaspis longipes Ashm.
(Pl. x1, Fig. 10, g.)
Can. Ent., x1x, p. 128; Cress. Syn. Hym., p. 249.
$. Length, 2". Polished black, impunctured; scape and legs
pale brownish-yellow or yellow; flagellum brownish-black, pilose;
funicle very long and slender, as long as the long scape, the first and
last joints short, the second greatly elongated; club 5-jointed, the
joints all long, 5 or 6 times as long as thick, subclavate. Head trans-
verse, the vertex bounded behind by a delicate transverse carina;
lateral ocelli close to the eye margin; face flat, smooth; mandibles
pale. Thorax long, convex, without furrows; scutellum very long,
produced into a long, acute, yellow spine, its tip extending over the

baseof the abdomen; two large pubescent fove on either side at base; -

metathorax pubescent. Tegule black. Wings hyaline. Legs very
long, the hind pair especially long, honey-yellow, tibial spurs distinct,
the tarsi very long, slender. Abdomen oval, the petiole about twice
as long as thick, striated, pubescent above and beneath, body of al 4o-
men pubescent at base beneath.

HaABrrat.—Jacksonville, Fla.

Type in Coll. Ashmead.

LEPTACIS Forster.
Hym. Stud. 1, p. 107. (1856.)
(Type L. tipula Kirby.)
Ceratacis Thoms. Ofvers, 1858, p. 69.

Head transverse, the frons subconvex, the occiput straight, mar-
gined; ocelli 3, subtriangularly arranged, the lateral nearer to the eye
than to the front ocellus; eyes oval.

Antenne inserted just above the clypeus, 10-jointed in both sexes;
in 2? terminating in a 4-jointed club, the pedicel much longer than thick,
funiclar joints 1, 3, and 4 very small, short, the second lengthened;
in 6 ending in a 5-jointed club, the joints of which are usually elongate;
joint 1 of funicle small, the second elongate, somewhat swollen, the
third smalier.

Thorax ovoid, highly convex, the prothorax visible as an arcuate

line, the mesonotum with or without furrows, the scutellum subtrian- —

gular, convex at the middle, depressed and with two large transverse
or oblique fovexr at base, the apex armed with a more or less curved
thorn, rarely reduced to a tubercle, the metathorax short, the meta-
pleura usually covered with a dense silvery, or hoary, pubescence.

Front wings long, pubescent, and veinless.

Abdomen in 2 pointed-ovate, in ¢ oval or long ovate, the first seg-
ment wider than long, the second very long, occupying most of the
surface, the following all short.

Legs clavate, the basal joint of hind tarsi three or more times longer
than the second,

4

Vadet esses

CES Sle ep a! aera ge RS ee Seo

T.tar

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 271

This genus and Amblyaspis ave often confused together. If in my
definition of Amblyaspis I have included both Leptacis and Amblyaspis,
then this genus must be known as Ceratacis Thomson.

TABLE OF SPECIES.
FEMALES.

Mesonotal furrows wanting or only indicated posteriorly ........-.-...-...---. 2
Mesonota! furrows complete, distinct.
Head rugose, the thorax minutely punctate, a distinct line on shoulders.
Antenne and front legs brownish-yellow, club brown black.
L. RUGICEPS, sp. nov.
Legs brownish-piceous, the trochanters, base of tibiwe and tarsi honey-yellow.
Head closely, finely punctate, the thorax minutely punccate, no line on shoulders.

Antenne brownish-yellow, club brown....---..----- L. PUNCTATUS, sp. nov.
Antenne, wholly brown=black 2222 2 -s sss ecee os. = L. FLORIDANUS, sp. nov.
PeeProns smooth or microscopically punctate. - 2-2. 3.22 .csa. se ee cece ee se5 oes 3

Frons transversely striated; thorax smooth.
Antenne and legs brownish-yellow or pale rufous, club brown.
L. STRIATIFRONS, sp. nov.
PONS WMI CLOSCOPILCAlly, PUMEtALO a= ss. a. casein esos siste cee sae eee Se ecleaee 4
Frons smooth; coxie black.
Abdomen twice the length of thorax, subecompressed.
L. LONGIV ENTRIS, sp. ov.
Abdomen not longer than the thorax, not compressed.
L. BREVIVENTRIS, sp. nov.
4. Coxe black.
Legs black or brownish-piceous, trochanters, knees, tips of tibiw, and tarsi
BV. LILO Wee ee ear agri tis RP ec ene aN at L. CYNIPIPHILUS Ashm.
Coxie brownish-yellow; legs and anteanie, except club, yellow.
L. FLAVICORNIS, sp. nov.

MALES.
Mesonotal furrows wanting or only indicated posteriorly. ......-...----.----- 2
Mesonotal furrows distinct, complete. -

Head rugose, thorax minutely punctate..-.......:.-.----- L. RUGICEPS, sp. nov.

Head finely punctate, thorax minutely punctate.
Antenne and the middle legs brownish-yellow, the hind legs brownish-
PICCOUSREen Sees cine wes Soe seee oso eeee L. PUNCTATUS, Sp. nov.
Head and thorax smooth, shining, the parapsidal furrows delicate.
Antenne black; legs, except trochanters and tarsi, fuscous.
, L. FLORIDANUS, sp. nov.
2. Frons smooth; cox black.
Legs brownish-piceous.
Scape and funicle brownish-yellow, the second funiclar joint swollen.
: L. BREVIVENTRIS, sp. noy.
Legs brownish-yellow or yellow.
Flagellum brown-black, the club joints 24 or 3 times as long as thick, much
NALLOW ECL, Dasailllliyes seme meee ee ates wees eee L. CYNIPIPHILUS Ashi.
Flagellum yellow, the club joints twice as long as thick, cylindric.
L. FLAVICORNIS, sp. nov.
Frons distinctly punctate.
Scape, pedicel, and leos vellowecases -=-csee- 5 <5ee c= = LL. PUNCTICEPS, sp. nov.
Frons microscopically punctate; coxie black.
Antenne and legs, except anterior tibie and tarsi, which are honey-yellow,
brownish-piceous or fuscous.....--.---.---- L. PUBESCENS, sp. nov.

272 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Leptacis rugiceps, sp. nov.
CP 1s or PE Os)

é 2. Length, 1to12"". Black; antenne, except club, front legs,
and base of middle tibis and all tarsi, yellow; rest of the legs fuscous or
black. Head transverse, opaque, the frons and face rugose, thelateral
ocelli close to the eye. Antenne 10-jointed, the club 4-jointed, black,
the joints, except the last, which is conical and about twice as long as
the preceding, are scarcely longer than thick. Thorax subopaque,
minutely punctate, with 2 distinct furrows, and a distinct grooved line
on the shoulders. Scutellum pubescent, with 2 large fovez at base,
a slight median carina, and terminating in a long awl-shaped spine or
thorn. Metathorax very short, with a median carina and covered with
a silvery pubescence. Wings hyaline. Abdomen oval, shorter than
thorax, polished, the petiole wider than long, rugose, densely pubescent.

In the 4 the seape and funicle are brownish yellow, the 4-jointed club
brown-black; the pedicel is very long and slender, almost as long as
all the funiclar joints united, last two funiclar joints short, not longer
than thick; club joints, except the last, quadrate.

Hapirat.—Jacksonville, Fla., and Arlington, Va.

Types in Coll. Ashmead.

Described from several specimens.

: Leptacis punctatus, sp. nov.

é 2. Length, 0.8 to 1™™. Black, subopaque, closely, minutely
punctate, the thorax smoother; parapsidal furrows delicate but com-
plete; no grooved line on the shoulders; antenne, except club, and
legs, yellow; middle and posterior legs more or less fuscous, or brown;
club 4-jointed, brown-black, the joints, except the last, wider than long,
the last conic, 14 times as long as the penultimate; funicle slender.
Scutellum with two large fovez at base, pubescent, ending in a slightly
curved, awl-shaped spine. Metathorax and petiole densely pubescent.
Abdomen oval, polished, shorter than the thorax.

Hapirat.—Florida, District of Columbia, and Virginia.

'lypes in Coll. Ashmead.

Common. Allied to L. rugiceps, but smaller, more evenly punctate,
and the head not so rugose.

Leptacis floridanus, sp. nov.

é¢@. Length, 1.1™. Black, subopaque, faintly, microscopically
punctulate, the thorax almost smooth, with two distinct furrows; an-
tenn wholly brown-black, the club joints twice as long as thick, loosely
joined. Scutellum foveated at base, the awl-shaped spine rather short.
Metathorax with a silvery pubescence. Wings hyaline. Legs brown
or fuscous, the trochanters, base of tibize, and tarsi yellowish. Abdo-
men ovate, not quite as long as the thorax, the petiole very short,
transverse, densely covered with a silvery white pubescence.

Hapirat.—Jacksonville, Fla.

Types in Coll. Ashmead.

PRET RES S25 SRE OBES) PO ae

hy

a

A eA

j

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDE. 273
Leptacis striatifrons, sp. nov.

?. Length,1.2™", Black,shining; frons transversely striated; thorax
smooth, with indications of furrows posteriorly; antenn, except the
club, and legs wholly brownish-yellow; club 4-jointed, brown, the
joints (except the conical last joint) not, or scarcely, longer than thick.
Scutellum bifoveated at base and ending in a long awl-shaped thorn
Metathorax covered with a dense white pubescence. Wings hyaline.
Abdomen subovate, shorter than the thorax, black, polished, impune-
tured, the petiole very short, transverse, pubescent.

HaAbitat.—Jacksonville, Fla.

Type in Coll. Ashmead.

Leptacis longiventris, sp. noy.

é 2. Length, 1™. Polished black, impunctured; tarsi rufo-piceous.
Head as wide as the thorax from tegule to tegule. Mandibles black.
Antenne 10-jointed, in 2 with a 4-jointed club, the joints, except the
last, a little wider than long, the last conical, twice as long as the pre-
ceding; funicle slender, the second joint long and slender, the first and
last two, short. Thorax without distinct furrows, a slight elevation or
prominence just in front of the scutellum, and with a sparce pubescence
on either side. Mesopleura smooth, polished. Scutellum with a tu-
bercle at tip, two oblique depressions at base, a median carina, and
sparsely covered with a silvery pile. Metathorax at base, metapleura,
and base of abdomen densely covered with a silvery pubescence.
Tegule black. Wings hyaline, iridescent, but slightly pubescent and
without a distinct fringe. Abdomen pointed-ovate, twice the length
of the thorax, subeompressed, and in shape not unlike the 2 in Bury.
toma, but with the lateral carina quite distinct; the first segment is
densely pubescent, the second oceupies most of the surface, the third,
fourth, fifth, and sixth very short, equal, the seventh conical, as long
or a little longer than the four preceding together.

In the ¢ the antenne axe bristly, the pedicel oval, the first funiclar
joint minute, rounded, the second, longer than the pedicel, swollen and
a little curved, the club 6-jointed, the first joint oval, about half the
length of the second; joints 2-5 long oval, the last cone-shaped, one-
third longer than the preceding and thinner. Tip of anterior tibiz
and tarsi dark honey-yellow. Abdomen cblong-oval, depressed.

HapBirat.—District of Columbia and Virginia.

Types in Coll. Ashmead and National Museum.

Many specimens. The peculiar shape of the abdomen and the cavri-
nated scutellum readily distinguish the species.

Leptacis breviventris, sp. nov.

6 2. Length, 0.65 to 0.80". Black, shining, impunctured; the face.
very slightly shagreened just above the insertion of the antennz; lat-
21899—No, 45 18

274 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

eral ocelli close to the border of the eye; antenne and legs brown, the
trochanters, base of tibiz, and tarsi yellowish; anterior and middle legs
sometimes yellowish. Antenne 10-jointed, in ? with a 4-jointed club,
the joints, except the last, not longer than wide, usually wider than
long, the last ovate; funicle slender, joints 1,3, and 4 small, joint 2
elongate; in ¢ with a 4-jointed cluh, the joints slightly pedicellate and
covered with sparse white hairs; second funiclar joint swollen, longer
than the pedicel; first funiclar joint very small, closely joined to the
second; joints 3 and 4 small. Thorax convex, polished, without fur-
rows; scutellum foveated at base, pubescent at sides, and terminating
in a tubercle or very short spine, which is only twice as long as thick;
metapleura covered with a dense white pubescence. Abdomen broadly
oval, highly polished, black, a little shorter than the thorax, the petiole
very short and transverse, pubescent.

HABITAT.—District of Columbia, Virginia, and Maryland.

Types in Coll. Ashmead.

Described from several specimens.
Leptacis cynipiphilus.
Ashm., Can. Ent., xix, p. 129, 9 g; Cress., Syn. Hym., p. 249.

$9. Length,1.5"". Polished black; antenni,except club and the
legs, brownish-yellow; coxw black; in 2 with the legs fuscous, the tro-
chanters, base of tibiz, and tarsi yellow; club brown-black; mandibles
pale.

Head a little wider than the thorax. Antenne 10-jointed; the
funicle slender, the second joint longer than the first, the third and
fourth, small, but a little thicker than the second; club 4-jointed, the
joints, except the last, as wide as long; in ¢ with the flagellum black,
pilose, the club joints from two and one-half to three times as long as
thick; the first funiclar joint as long as thick; the second more than
twice as long, and stouter.

Thorax smooth, without furrows. Scutellum with 2 broad fove at
base, pubescent and delicately margined at sides, ending in a small
tubercle or a short awl-shaped spine. Metapleura and petiole densely
pubescent. Tegule black. Wings hyaline with a short, sparse pubes-
cence. Abdomen oval, a little shorter than the thorax, the petiole
very short, transverse, covered with a dense white, glittering pubes-
cence, the pubescence extending on to the base of the second abdom-
inal segment.

HABITAT.—Jacksonville, Fla.

Types in Coll. Ashmead.

Described from several specimens.

78a

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 275
Leptacis puncticeps, sp. nov.

6. Length, 0.8"". Black, polished; head finely punctate; scape,
pedicel, and legs yellow, the posterior femora and. tibiz fuscous or
brown. Head transverse, the frons convex. Antenne 10-jointed, the
seape clavate; flagellum brown-black, pilose, the first joint minute,
the second about as long as the pedicel but stouter, the third small,
the following joints oval, loosely joined. Thorax without furrows,
polished; the scutellum terminating in an awl shaped spine; the
metapleura covered with a silvery pubescence. Wings hyaline, the
tegule piceous. Abdomen oval, not quite as long as the thorax; the
petiole short, covered with a glittering white pubescence.

HABITAT.—Jacksonville, Fla.

Types in Coll, Ashmead.

Leptacis flavicornis, sp. nov.

6 2. Length, 0.8 to 0.9"". Polished black; antenne, except the
club in the female, and legs, bright yellow. Thorax smooth, shining,
impunctured, without furrows; scutellum foveated at base and ending
ina minute tubercle; metapleura and the very short petiole with a
silvery white pubescence. The antenne in the 2 end in a 4-jointed
club, the joints of which, except the last, are not longer than wide;
the funicle is slender, the second joint a little longer than the first, the
third and fourth being small; in ? the antenne are entirely yellow;
the club 5-jointed, the joints, except the last, being only a little longer
than wide; the last being conical, twice as long as the preceding; the
first funiclar joint is small, closely joined to the second, the latter longer
than the pedicel and slightly thickened, the third small, contracted.
Wings hyaline. Abdomen oval, shorter than the thorax, pubescent at
base.

HApBirat.— Washington, D. C., and Jacksonville, Fla.

Types in Coll. Ashmead.

Leptacis pubescens, sp. nov.

6. Length, 1.5". Black, shining, covered with a fine pubescence;
Scape and legs, except the anterior tibiz and tarsi, which are honey-yel-
low, dark brown or piceous; flagellum black, the club joints pedicellate,
pilose, the first funiclar joint a little shorter than the pedicel, the see-
ond long, fully twice as long as the pedicel, the third small, the first
4 joints of club twice as long as thick, the last three times as long as
thick. Thorax without furrows; the scutellum ends in a short tubercle
and is foveate at base, the metathorax densely pubescent. Wings
hyaline, the tegule black. Abdomen oblong-ovai, the petiole wider
than long, elevated above.

HABITAT.— District of Columbia.

Type in Coll. Ashmead.

Described from a single specimen taken by Mr. E. A. Schwarz.

276 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

ISORHOMBUS Forster.
Hym. Stud., 1, p. 107 (1856).

Head transverse, the vertex flattened, the occiput with a sharp mar-
gin; ocelli 3, triangularly arranged, the lateral far away from the
margin of the eye or nearer to the front ocellus than to the eye margin.

Antenne inserted just above the clypeus, 10-jointed in both sexes, in

@ terminating in a 3-jointed club, in é with a 5 jointed club, the joints
of which are longer than thick, the first funiclar joint very minute.

Thorax ovate, the prothorax distinct, the mesonotum much longer
than wide, with furrows, the scutellum subconical or subpyramidal, end-
ing ina little spine at tip, and more or less pubescent, the metathorax
short, with a median carina.

Wings when folded extending to, or a little beyond, the tip of the
abdomen, pubescent and veinless.

Abdomen long, in 2 pointed-ovate, in ¢ oblong-oval, the first seg-
ment longer than wide, the second very large, occupying fully two-
thirds of the whole surface.

Legs clavate, the basal joint of hind tarsi twice as long as the second.

Distinguished by the 3-jointed club in the female, the shape of the
scutellum, the long mesonotum, and the position of the ocelli,

Isorhombus hyalinipennis Ashi.

CPL exon eho)
Can. Ent., x1x, p. 129; Cress. Syn. Hym., p. 249.

@. Length, 15°". Black, shining, impunctured, the occiput alone
finely transversely aciculated; antenne, except the 3-jointed club and
legs, brownish-yellow or yellow; the coxe and club black. Head trans-
verse, the lateral ocelli about their width from the border of the eye,
the mandibles and palpi pale or yellowish.

Antenne 10-jointed; scape subclavate, as long as the pedicel and
funicle united; pedicel not quite as long as the first and second funiclar
joints united; second funiclar joint very little longer than the first;
third and fourth small, transverse; fifth much wider, transverse; club
o-jointed, black, the joints loosely joined, the first two subquadrate,
very slightly serrate toward one side at apex, last joint oblong. Tho-
rax convex, without furrows or only slightly indicated posteriorly, the
little lobe thus formed projecting slightly upon the seutellum. Seu-
tellum subconvex, foveated at base and with only a slight tubercle at
tip, the tubercle being subobsolete. Metathorax and petiole subpu-
bescent. Wings hyaline. Abdomen ovate, depressed, polished, im-
punctured, the petiole scarcely as long as wide.

é. Length, 1". Differs only in the antenne, the club being 5-
jointed, pale, the first and third funiclar joints small, the second being
stouter and about thrice as long as thick.

Hasirat.—Jacksonville, Fla.

Types in Coll. Ashmead.

j

RARE NYA Sd 2 Shee) Spit ge

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 277
Isorhombus arizonensis, sp. nov.

?. Length, 2... Black, highly polished; parapsidal furrows ob-
solete anteriorly. Head very wide, not very thick antero-posteriorly,
the lateral ocelli far away from the margin of the eye. Mandibles
piceous. Antenne 10-jointed, rufo-piceous, the flagellum twice the
length of the scape; pedicel a little longer than thick; joint 1 of funi-
cle very minute, closely joined to the second, second about twice the
length of third; club 5-jointed, cylindric, the joints, except the last,
nearly equal, longer than thick, the last cone-shaped, a little longer
than the penultimate. Secutellum conically elevated posteriorly, de-
pressed at base, sparsely pubescent and with a small acute spine at
tip. Metathorax, hind cox and petiole, pubescent. Legs brownish-
yellow, the coxe black. Tegule black. Wings hyaline, pubescent,
extending, when folded, scarcely beyond the tip of the abdomen. Ab-
domen long-oval, polished, about as long as the head and thorax
together, the basal joint very little longer than wide, densely pubes-
cent, the margin very wide.

HABITAT.—F ort Huachuea, Ariz.

Type in National Museum.

Described from a single specimen, reared May 8, 1883, from a Ceciao-
mylid gall on an unknown plant, sent to the Department. by Mr. H. K.
Morrison.

POLYMBECUS Forster.

Hym. Stud., 1, p. 144 (1856).
Ectadius Forster, loc. cit., p. 108.
Epimeces Westwood (pars).
(Type P. craterus Walk.)

Head transverse, the occiput delicately margined; ocelli 3, in a curved
line, the lateral ocelli only their width from the eye margin.

Antenne 10-jointed in both sexes, the scape long, subclavate; in
the 2 the club is 4 or 5 jointed, when 4-jointed the last funicle joint is
shorter than the preceding, when 5-jointed the last two funiclar joints
about equal or the last the longer; in ¢ with a 6-jointed, bearded club,
the second funiclar joint being somewhat swollen and curved or twisted,
the first being small.

Thorax ovate, the prothorax distinct from above, the mesonotum
much longer than wide (nearly twice as long as wide), usually with 2
distinct furrows; scutellum convex, often, but not always, with a tuber-
cle or spine at tip, the basal part of the middle lobe of mesonotum pro-
jecting slightly upon it at base; metathorax short, with 2 carinze down
the center, the metapleura densely pubescent.

Front wings pubescent, veinless, rarely with the submarginal nerv-
ure visible, when present not knobbed at tip; in 2 the wings, when
folded, do not extend to the apex of the long abdomen.

278 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Abdomen in the 2 greatly lengthened, usually twice or more than
twice the length of the head and thorax together, sinuated or slightly
contracted beyond the middle, the apical portion being narrowed and
pointed; the second segment, as usual, is the longest, but the follow-
ing are also lengthened; in the é oblong-oval as long as the head and
thorax together, the second segment very long, the following all short,
the terminal segment curving downward and with a distinct margin.

Legs clavate, the basal joint of hind tarsi not quite twice the length
of the second.

The very long, pointed abdomen distinguishes the genus.
TABLE OF SPECIES. :

FEMALES.

Head finely punctate, the thorax smooth, impunctured ...........-..----.----- a
Head and thorax finely microscopically punctate or shagreened.
AN Gomes blaGk eit 22 Sc Sa ESS os Fe A a te 2
Hind cox:e alone black; legs rufous.
Second funiclar joint as long as the pedicel.............P. CANADENSIS Ashm.
Second funiclar joint shorter than the pedicel..---..---.- P. AMERICANUS Ashm.
2. Femora black or brown black, tibiw and tarsi rufous.
Fifth abdominal segment much longer than the last... .--. P. NIGRIFEMUR Ashm.
Fifth abdominal segment shorter than the last-. ---- P. VANCOUVERENSIS, 8p. 0.

Legs piceous, anterior tibiz, base of middle and posterior tibiw and all tarsi honey-
yellow; antennz black.
First funiclar joint contracted, not longer than thick, collar not striate at
SIGS 53. oer eee ee ee eee P. LUPINICOLA, Sp. nov.
First funiclar joint longer than thick; collar striate at sides. P. PICIPES, sp. nov.
Legs brownish- ae second funiclar joint about half the length of the
pedicelies asec lee ee eee ee ute cecpe cee Py PAIIIEPES ASbime
Legs honey-yellow ; scape ead che peneel at on y oleae P.. MELLISCAPUS, Sp. nov.
3. Abdomen 24 times as long as the head and thorax together; very Scania de-
pressed, when viewed from the side cultriform. Coxe piceous; legs
bright yellow. ot occ note ee ee P. COMPRESSIVENTRIS, Sp, Nov.
Abdomen 1} times as long as the head and thorax together, not depressed.
Coxmiand legs) velow= 3-22 ih oe sh eee ee ee P, AURIPES, sp. nov.
Coxe black; tip of anterior femora andtibiw, base of middle and posterior tibie
and all tarsi, honey-yellow......-....-...---- P, ALNICOLA, sp. nov.

Polymecus canadensis Ashm.
Ectadius canadensis Ashm., Can. Ent., Xx, p. 51

?. Length,3"". Polished black; the head posteriorly very finely
shagreened and delicately transversely striated; lateral ocelli about
twice their width from the eye; face polished, impunetured. The front
ocellus with a transverse furrow at base before; mandibles black. Anten-

ne 10-jointed, brown-black, the scape tinged with rufous; pedicel as long
as the second funiclar joint but not so thick; first funiclar joint small;
club 6-jointed, the first two joints a little more ciao than the following,

the first, a little longer than the second; joints 5, 4, and 5 about equal ’

in length, 14 times longer than thick, the upper, outer angle of each

tarts sn en Reagan. See hc RNC ti

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDE. 279

joint very acute, the last joint conical, longer than the preceding.
Mesonotum with two distinct furrows. Metathorax, including the pleura
and the first abdominal segment, both above and beneath, densely pu-
bescent. Tegule rufo-piceous. Wings clear hyaline. Legs rufous,
the posterior cox basally piceous. Abdomen greatly elongated, more
than twice the length of the head and thorax united, narrowed into a
long tail from the apex of the second segment, the three terminal seg-
ments subequal in length.

HABITAT.—Ottawa, Canada.

Type in Coll. Ashmead.

Described from a single specimen received from Mr. W. Hague Har-
rington. rs

Polymecus americanus Ashi.

Epimeces americanus Ashmn., Can. Ent., xix, p. 129.
Ectadius americanus Cr. Syn. Hym., p. 249.

?. Length,1 to 1.8". Polished black; the head behind finely,
opaquely sculptured; face highly polished; mandibles rufous. <An-
tenn 10-jointed, rufous or piceous, sometimes brown- black; pedicel a lit-
tle longer than the second funiclar joint, but more slender; first funiclar
joint minute; club subclavate, the first and second joints unequal in
length, the first slightly the longer and slenderer; joints 3, 4, and 5
not longer than wide at tip, the outer posterior angle acute, last joint
conical, a little longer than the preceding. Mesonotum with two deli-
cate but distinct furrows; tegulee black. Wings hyaline, very slightly
tinged. Legs dark rufous to piceous, the trochanters, knees, anterior
tibiw, and the tarsi, paler. Abdomen about one and a half times as
long as the head and thorax united, or twice the length of the thorax,
the third segment a little longer than the fourth, the others subequal
in length, the last being about one-third the length of the fourth,
pointed and obliquely truncate from above; the penultimate is twice
as long as wide.

HABITAT.—Jacksonville and Fort George Island, Fla.

Types in Coll. Ashmead.

Polymecus pallipes Ashm.
GR xa e302.)

Ectadius pallipes Ashm., Bull. No. 1, Col. Biol. Assoc., p. 9, 1890.

@. Length, 2.6. Black, subopaque, finely granulately sculptured ;
face smooth, polished, microscopically transversely aciculated just above
the insertion of the antenne. Mandibles rufous. Antenne 10-jointed,
the flagellum one and a half times as long as the seape; the scape,
pedicel, and the three or four following joints pale brownish-yellow, the
joints beyond black or brown-black; the pedicel is thrice as long as
thick, the first joint of flagellum small, annular, the three following

280 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

joints cylindrical, less than twice as long as thick, the four terminal
joints much thicker and larger, the last being twice as long as thick, -
the others a little shorter.

The parapsidal grooves are distinct, converging posteriorly; the middle
lobe thus formed projects slightly on to the seutellum. Seutellum sub-
convex. Pleura smooth, polished, the mesopleura with a grooved fur-
row extending obliquely to the base of middle cox; metapleura densely
pubescent; the petiole and the hind coxe at base are also slightly
pubescent. Legs uniformly pale brownish-yellow, with all coxze black.
Abdomen about twice as long as the head and thorax together, and
projecting considerably beyond the tips of the wings when folded.
Wings hyaline, pubescent.

The ¢ measures but 2". in length; the face is sculptured as the rest
of the body, and the antennwe are wholly pale brown; otherwise
similar to the 2°, except the following structural differences: The an-
tenne are shorter, the club 6-jointed instead of 4-jointed, the pedicel
only a little longer than wide; the first joint of flagellum is small but
triangular, the second enlarged, swollen, nearly as broad as long; the
following 6 joints, which constitute the club, are narrower and eylin-
drical, the first the shortest, the terminal one the longest, being about
twice as long as the preceding. The abdomen is not much longer than
the head and thorax together, and the wings, when folded, project be-
yond its tip. It might easily be mistaken for a genuine Platygaster.

HAsirat.—Greeley, Colo.

Types 5 2,3 ¢ specimens in Coll. Ashmead.

Obtained through H. F. Wickham.

Polymecus nigrifemur Ashm.

Ectadius nigrifamur Ashm., Bull. No. 1, Col. Biol. Assoc., p. 10.

@. Length, 3 to 3.2". Black; sculptured as in previous species,
except that the face is not so smooth. Antenne wholly black, the pedicel
about twiceas long as thick; otherwise the joints are similar to pallipes.
All coxee and femora black, the tibizw and tarsi, reddish; sometimes the
anterior femora are also red, but usually they are piceous or obscured
above; the tibiz, too, are sometimes more or less dusky. Abdomen
more than twice longer than the head and thorax combined, the petiole
being more pubescent than usual, the sides being almost as densely
pubescent as the metapleura. Wings hyaline.

The ¢ is but 2"" in length, and agrees in color and sculpture with
the 2, except that the tibie and tarsi are darker than in that sex;
structurally it is like the ¢ of pallipes.

Haprrat.—Greely, Colo.

Types 4 2,3 2, specimens in Coll. Ashmead.

Obtained from Mr. H. F. Wickham.

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDAE, 281
Polymecus vancouverensis, sp. noy.

9. Length, 2.8"". Black, subopaque, closely, microscopically sha-
greened. Antenne black, the antennal tubercles yellow; the first and
second club joints quadrate, the third, fourth, and fifth not longer than
wide at tip, the upper outer angle acute, the last joint conical, twice
the length of the preceding. Legs piceous-black; the tibic fuscous,
tarsi pale brown, the trochanters and base of tibise yellow. Tegule
black. Wings clear hyaline. Abdomen about twice the length of the
head and thorax combined, the third segment half the length of the
fourth, the fifth and sixth of an equal length, one-third longer than the
fourth, the sixth conical.

HABITAT.—Vancouver Island.
Type in Coll. Ashmead.

Described from a single specimen received from Mr. W. Hague Har-
rington.

Polymecus lupinicola, sp. nov.

$2. Length, 1to1.6™. Black, shining, impunctured. Head trans-
verse, as broad as the widest part of the thorax, the vertex posteriorly
faintly aciculated. Mandibles black. Antenne 10-jointed, black, the
flagellum rather slender, not quite twice as long as the scape; pedicel
more than twice as long as thick at tip; funicle jomts slender, cylin-
dric, the first nearly twice as long as thick, the second longer, the
third slightly shorter than the second; club 5-jointed, slightly and
gradually thickened toward tip, the first joint twice as long as thick,
the second, third, and fourth nearly equal in length, but not twice as
long as thick, the last cone-shaped, very little longer than the preced-
ing. Mesonotal furrows distinct posteriorly, becoming obsolete ante-
riorly, the middie lobe projecting slightly on the scutellum, the lateral
lobes with a sparse tuft of pubescence at base. Seutellum con-
vex, smooth, shining, with a small tubercle at tip. |Metathorax
pubescent. Legs black, the tarsi fuscous or brown. Wings hyaline,
pubescent, but not fringed. Abdomen longer than the head and

thorax together, pointed at apex, contracted from the apex of the

second segment; the fourth segment is one-third longer than the third;
the fifth and sixth nearly twice the length of the fourth; segments
3 and 4 with a transverse row of punctures; fifth aciculated except
at base.

In the ¢ the legs are black, except the anterior tibiw and all tarsi
which are pale brown; the abdomen is oblong-oval, not longer than
the thorax, the first segment and the second with the foveole at base
Striate or aciculate, otherwise mostly polished; tegule rufo-piceous;
antenne black; pedicel shorter than the second funiclar joint; first
funiclar small, subtriangular; second swollen, a little curved; club
6-jointed, the joints loosely joined, hairy, the first, the smallest, the

282 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

last the largest, intermediate joints a little longer than thick; tubercle
at tip of scutellum subobsolete; mesonotal furrows complete.
HABITAT.—San Francisco, Cal.
Types in National Museum.

Described from ¢ and 2 specimens, reared November, 1885, from
a Cecidomyiid gall on Lupinus athorea, collected by Albert Koebele.

Polymecus picipes, sp. nov.

2. Length, 1.8 to 2™™. Black, shining; head transverse, the vertex
posteriorly distinctly shagreened; face smooth, polished, except a few
transverse lines just above the insertion of the antennie; legs variable,
from a rufo-piceous to almost black, the trochanters, tips of anterior
tibix, base of middle and posterior tibie, and all tarsi pale brownish
or honey-yellow. Antenne 10-jointed, brown-black, the first funiclar
joint a little longer than thick, the second transverse, the third
quadrate, club joints oblong. Mesonotal furrows complete, the middle
lobe projecting slightly on the scutellum, the lateral lobes with no
tufts of pubescence at base. Collar and mesopleura striated. Scutel-
lum highly convex, subopaque, without a tubercle at tip. Metathorax
bare or faintly pubescent. Tegule black. Wings hyaline. -

Abdomen more than twice as long as the thorax, the petiole coarsely
striated, the base of second segment with two aciculated foveoix at base.

HABITAT.—District of Columbia.

Types in Coll. Ashmead.

Several specimens.
Polymecus melliscapus, sp. nov.

Q. Length, 25°". Black, subopaque, very faintly, microscopically
shagreened; the head behind and the face transversely aciculated.
Seape, pedicel, and legs brownish-yellow; flagellum black; pedicel
about as long as the first and second funiclar joints united; joints 3, 4, and
5 of club not longer than wide at apex, the last conical, scarcely twice
as long as the penultimate. Metathorax and petiole, above and below,
densely pubescent. Tegule black. Wings hyaline, pubescent. Abdo-
men twice the length of the head and thorax united, the third segment

one-third the length of the fourth, the fifth and sixth equal in length,
a little longer than the fourth, the sixth being conical.
HABITAT.—Washington, D. C.
Type in Coll. Ashmead.

Described from a single specimen collected by Mr. E. A. Schwarz.
S } s
Polymecus compressiventris, sp. nov.
2. Length, 2.6. Polished, black, impunctured; the antenne and
legs golden-yellow, the flagellum very slightly obfuscated at tip. The

pedicel is oval, not quite aslong as the first and second funiclar joints
united; first funiclar joint narrowed, but twice as long as thick; the

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDE. 283

second stouter, obconic; third and fourth about equal, obconic, but
longer than the second; the three following joints bell-shaped, loosely
joined, the last conical, longer than the preceding. Thorax with two
deep furrows. Tegulie piceous. Wings hyaline. Abdomena little more
than three times the length of the thorax, very long and acute, and
strongly compressed from above and below; when viewed from the side,
knife-shaped. f

HABITAT.—Washington, D. C.

Type in Coil. Ashmead.

Described from a single specimen collected by Mr. E. A. Sehwarz.
The very strongly depressed or flat abdomen and the length of the
antennal joints at once separate this species from all other described
forms, and I am not certain but that they are of sufficient importance
to establish a new genus.

Polymecus auripes, sp. nov.

?. Length,1™". Black, shining; the head opaque, closely, micro-
scopically punctate; antennz and legs bright golden yellow. Thorax
without furrows, or these only faintly indicated posteriorly; scutellum
pubescent, foveated across the base and terminating in an awl-shaped
spine; metathorax and base of abdomen densely pubescent. Tegule
prominent, black. Wings hyaline, pubescent. Abdomen a little longer
than the head and thorax united, gradually contracted into a tail from
the apex of the second segment; the third segment one-half the length
of the fourth; the fifth twice as long as thick, and as long or a little
longer than the third and fourth segments united; the sixth or last
segment conical, a little longer than the fifth.

HABirar.—Virginia.

Type in Coll. Ashmead.

The small size and the color of the legs sufficiently distinguish the
species.

Polymecus alnicola, sp. nov.

62. Length, 1.4 to 18". Black, shining, the head and dorsum of
thorax finely, microscopically punctate. Head transverse. Mandibles
piceous. Antenne 10-jointed, black, the tip of the pedicel honey-
yellow; the flagellum is about twice as long as the scape; pedicel
twice as long as thick; first funiclar joint slender, slightly longer than
thick; second twice as long as thick, stouter; third and fourth about
equal, slightly thicker than the second; club joints, except the last,
equal, a little longer than thick, the last cone-shaped, slightly longer
than the preceding. Mesonotal furrows complete, the middle lobe not
projecting on to the scutellum, the lateral lobes with no tufts of pubes-
cence at base. Scutellum highly convex, subopaque, the tip with the
tubercle subobsolete. Metathorax sparsely pubescent. Legs black,
tips of anterior femora, their tibie and base and tips of middle and
posterior tibiz and all tarsi honey-yellow. Wings hyaline.

3

284 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Abdomen a little longer than the head and thorax together, shaped
as in P. lupinicola, .
In the ¢ the trochanters, knees, tips of tibiz and tarsi are honey-

yellow; abdomen as in lupinicola; tégulie rufo-piceous; antennie black, —

the first funiclar joint minute, the second, swollen, curved; elub 6-
jointed, the joints, except the last, very little longer than thick; scutel-
lum not tubercular at tip. ‘

HABrIratT.—District of Columbia.

Types in National Museum.

Described from é and 2 specimens, reared April 30 and May 1, 1884,
from a Cecidomyiid gall, Cecidomyia serrulata O. S., found on alder.

SACTOGASTER Forster.
Hym. Stud. , p. 108, 1856.
Epimeces Westw. (pars).

(Type L£. ventralis Westw.)

Head transverse, the vertex somewhat acute, the occiput delicately
margined; ocelli 3, small, triangularly arranged, the lateral distant
from the margin of the eye.

Antenne 10-jointed in both sexes, in 2? terminating in a 4-jointed
elub; in é with a 5-jointed, hairy club, the joints twice as long as thick,
the funicle cylindrical, the pedicel shorter than the first two funiclar
joints united.

Thorax subovoid, the mesonotum smooth, a little longer than wide, -

without furrows, or the furrows only delicately indicated posteriorly;
seutellum convex, ending in a thorn, bifoveated at base; metathorax
very short with a median carina, the metapleura with a silvery or
hoary pubescence.

Front wings veinless, pubescent.

Legs clavate, the basal joint of hind tarsi more than three times as
long as the second.

The females in this genus are readily separated from all others, by
the inflated second ventral segment of the abdomen, the males by the
position of the lateral ocelli.

The two species in our fauna may be thus separated:

TABLE OF SPECIES.

Head closely, finely, microscopically punctate, shining.

Thorax microscopically punctate, parapsidal furrows distinct posteriorly; scu-
tellum, metapleura and base of abdomen witha silvery pubescence;
tail not longer than the first and second segments together.

S. ANOMALIVENTRIS Ashm.
Head polished impunctate.

Thorax polished, without a trace of the furrows; scutellum striated; metapleura
and base of abdomen bare; tail nearly twice as long as the first and
second segments together...-........--.--.----- S. Howarpi Ashm.

i

ve

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDE. 285

Sactogaster anomaliventris.
Ashm. Can. Ent., xix, p. 130, 9 ; Cress. Syn. Hym., p. 249

$2. Length, 0.6to1"™™. Black, shining; the head finely, microscop-
ically punctate; antenne and legs black or brown-black; trochanters,
base of tibixe and anterior tibiz at tip, and all tarsi paler or yellowish.
The lateral ocelli are away from the margin of the eye; the basal three
club-joints are transverse, the first the narrowest, last joint conical;
the parapsidal furrows are distinct posteriorly; the scutellum, meta-
pleura and base of abdomen are covered with a silvery pubescence ;
the seutellum ends in an awl-shaped spine; wings hyaline; the inflated
second abdominal segment is as long as the tail.

The ¢ differs from the 2 in having an oval abdomen, which is shorter
than the thorax, and without the inflated second ventral segment; the
antennal club is 4-jeinted, the basal three joints being equal, quad-
rate, the funicle slender, while the thorax is subopaque from a faint,
microscopic punctuation.

HABITAT.—Jacksonville, Fla.

Types in Coll. Ashmead.

Many specimens. Not rare in April in the flower of gall-berry (Llex
glaber), and possibly a parasite on some Cecidomyiid larvee inhabiting
these flowers.

Sactogaster Howardii Ashm.

215 xan site 4 Oe) ie
Can. Ent., XX, p. 52.

9. Length, 2". Polished black, impunetured; the face convex,
highly polished; mesonotum without a trace of furrows; seutellum
striated, the spine about twice as long as thick; metapleura at base a
little wrinkled; antenne and legs dark rufous, the middle and posterior
femora and tibie at tips fuscous. Wings hyaline. Abdomen about twice
as long as the head and thorax united, the tail being about twice as
long as the inflated second segment; the apical lateral parts of the
fourth and the fifth segments wholly opaque, sculptured, otherwise the
segments are smooth and shining.

Hapirat.—Washington, D. C.

Type in Coll. Ashmead.

Dedicated to my friend, Mr. L. O. Howard, of the U. 8S. Department
of Agriculture. In the highly polished surface, entire absence of parap-
sidal furrows, striated seutellum, the bare metapleura, and the long tail,
it is quite distinct from all other described forms in this peculiar genus.

SYNOPEAS Forster.
Hym. Stud. 1, p. 108 (1856).
(Type S. prospectus Forst.)

Head transverse, the occiput margined; ocelli three, triangularly
arranged; the lateral far away from the margin of the eye.

286 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Antenne 10-jointed in both sexes, the scape much lengthened, cla-
vate; club in female 4-jointed, the funiclar joints slender; in male 5-
jointed, the joints cylindrical.

Thorax ovoid, convex, the mesonotum with or without furrows; seu-
tellum broad, subconvex, bifoveolated at base, the tip ending in a
minute tuberele, rarely entirely wanting, and usually pubescent; met-
athorax very short, channeled at the middle, the metapleura usually
densely pubescent. Wings, veinless, pubescent.

Abdomen, oblong-oval, the apex a little more pointed in the @ , the first
segment a little wider than long, pubescent, the second very large.

Legs clavate, the basal joint of hind tarsi twice or a little more than —
twice as long as the second.

TABLE OF SPECIES.
FEMALES.

Mesonotum without furrows, or these only indicated posteriorly ............--.2
Mesonotum with delicate but complete furrows.
Coxe black.
Legs brown black.
Antenne black, first and third funiclar joints small...S. NIGRIPES, sp. nov.
Legs pale rufous, posterior femora dusky.
Antenne pale brown, the scape rufous .......----.---- S. RUFIPES, sp. nov.
Coxe pale.
Legs pale brown.
Antenne dark brown, first and second funiclar joints slender, cylindric,
nearly. equal: Sse) 28 oe ee ee See ee cone ee eee S. INERMIS Ashm.
2. Mesonotal furrows indicated posteriorly.
Coxe brownish-piceous.
Legs yellowish brown or brownish yellow, the posterior femora and tibie at
tip obfuscated, with sometimes all femora dusky.
Antenne pale brown, tip of scape and the club dusky, joints 1 and 3 of
funicle shorter than the second...........-. S. CORNICOLA, Sp. NOV.
Legs, including coxe, uniformly brownish yellow, rarely with posterior
femora dusky.
Antenne dark brown, the first three funiclar joints longer than thick, the
first the ‘shortest ¢ :- 224.2. c2 esses] ote eee S. ANTENNARIA, sp. Ov.
Mesonotal furrows entirely wanting.
Coxe black.
Legs reddish yellow or honey yellow, the middle femora and the posterior
femora and tibize dusky or black.
Scape rufous, the flagellum brown ..-.....-......-. S. RUFISCAPUS, sp. Dov.

Synopeas nigripes, sp. nov.

é. Length, 1"". Black, shining, with a microscopic sculpture; the
face highly polished, with a median impressed line; lateral ocelli twice ©
their width from the margin of the eye. Antenne 10-jointed, black,
the flagellum thickened toward the apex, covered with sparse white
hairs; pedicél as long as the first and second funiclar joints together,
the first funiclar joint small, rounded; club joints, except the last, longer
than wide, the last ovate. Mesonotum with 2 delicate furrows; seu-

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 287

tellum convex, with a subobsolete tubercle at tip; metapleura opaque,
sparsely pubescent; metanotum subpubescent. Legs entirely black,
thetarsi piceous. Tegule black. Wings clear hyaline. Abdomen ovate,
petiolate, as long as the thorax, the petiole and the base of second
segment striated, the third, fourth, fifth, and sixth segments with a
transverse row of fine punctures.

HABITaT.— Washington, D. C.

Type iz Coll, Ashmead.

Synopeas rufipes, sp. nov.
CBI XO shor 2 On)

¢. Length,1.5"". Subrobust, black, polished; the head posteriorly
transversely striated, the face very faintly punctured; lateral ocelli one
and a half times their width from the margin of theeye. Antenne 10-
jointed, pale brownish yellow, the 5-jointed club black; pedicel longer
than the second funiclar joint, first and third funiclar joints small, the
second the smaller, the club joints oval-moniliform. Mesonotum, with
the parapsidal furrows distinct posteriorly, the base of the middle lobe
projecting slightly upon the scutellum. Tegule black. Wings hyaline.
Legs rufous, the cox black. Abdomen ovate, a little longer than the
thorax, the petiole and the foveolx at base of the second segment stri-
ated.

HABITAT.—Arlington, Va.

Type in Coll. Ashmead.

Synopeas inermis Ashm.
Bull. No. 1, Coll. Biol. Assoc., p. 10.

@. Length,14-". Black, alutaceous shining. Antenne 10-jointed,
reddish, the pedicel twice as long as thick, the three following joints
very slender, cylindrical, the first two about equal in length and twice
as long as thick, the third hardly half as long as the second, the fourth
short but stouter, not longer than thick; the four following joints, com-
prising the club, are much stouter; the first of these is the shortest, the
second and third about twice as long as thick, the fourth, or terminal
joint, being the longest and more than twice as long as thick; these
joints are slightly pedicellate.

Thorax with grooves only faintly indicated. Mesopleura smooth and
only slightly impressed on the disk. Metapleura and petiole hairy.
Legs, including coxe, honey yellow, the tarsi, except the terminal
joint, pale or whitish. The abdomen is about one-third longer than the
head and thorax together, prolonged into a point at apex, the second
segment occupying fully more than one-half of its whole surface, the
segments beyond nearly equal. Wings hyaline, pubescent.

HABITAT.— West Cliff, Colo.

Type in Coll. Ashmead.

Described from a specimen received from Mr. T, D. A. Cockerell.

288 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Synopeas cornicola, sp. nov.

é 9. Length, 1 to 1.4™™, Polished, black, impunctured. Head a
little wider than the thorax, the vertex posteriorly not aciculated. An-
tenne 10-jointed, pale brown, the scape and the club dusky or fuscous;
the first and third funiclar joints longer than thick, but still shorter
than the second; club 4-jointed, a little thickened toward apex. Tho-
rax ovoid, smooth, polished, with a very sparse pubescence, thickest
near the scutellum; parapsidal furrows distinct only posteriorly, ante-
riorly obliterated; scutellum a little elevated posteriorly, very pubes-
cent, the tubercle covered with hairs; metapleura woolly. Tegule ruto-
piceous. Wings hyaline, pubescent. Legs pale brownish-yellow, the
coxe brown, the posterior femora and tibie at tips, obfuscated. Abdo-
men oblong-oval, as long as the head and thorax together, the petiole
_striated, sparsely pubescent, the second segment with 2 oblong foveole
at base, one on each side.

Hapirat.—Kirkwood, Mo.

Types in National Museum.

Described from specimens reared April 3, 1887, by Miss Mary Murt-
feldt, from a Cecidomyiid gall on Cornys paniculata, at Kirkwood, Mo.

Synopeas antennarie, sp. nov.

$9. Length, 0.8 to 1.1™™. Polished, black, impunctured; vertex
of head posteriorly with a few faint aciculations. Antenne 10-jointed,
dark brown, the flagellum subclavate, the first funiclar joint small but
still longer than thick and a little longer than the third, the club
5-jointed, the joints, except the last, scarcely twice as long as thick.
Thorax with the mesonotal furrows indicated only posteriorly; scu-
tellum subconvex, smooth, not pubescent, the spine or tubercle want-
ing; metapleura sparsely pubescent. Tegule brown or rufous.
Wings hyaline, legs reddish-yellow, the coxe brownish, the posterior
femora sometimes dusky. Abdomen long-ovate, distinctly longer than
the head and thorax together, the petiole grooved and with a sparse
pubescence.

In the ¢ the abdomen is oblong-oval, about as long as the
head and thorax united; the legs uniformly bright yellow; the
antenne pale brown, the first funiclar joint very small, rounded, the
second a little swollen and curved, about as long as the pedicel, while
the club joints are all longer than thick.

HABriratT.—Milwaukee, Wis.

Types in National Museum.

Described from many specimens, in both sexes, reared May 31, 1888,
by Mr. William M. Wheeler, from Cecidomyia antennaria Whit.
Synopeas rufiscapus, sp. nov.

�. Length, 1 to 1.1"". Polished, black, impunctured; lateral
ocelli about twice their width from the margin of the eye, but still a

4
:
j
.

wis 22a

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 289

little nearer to the margin of the eye than to the front ocellus. Scape
and legs reddish yellow, the cox black, the posterior femora and the
tips of the posterior tibiw fuscous. The pedicel is much stouter than
the funicle; the first two funiclar joints about equal, cylindric, the
third and fourth small, rounded; club 4-jointed, the first three trans-
verse, the last ovate. Mesonotum without furrows; scutellum foveated
at base; metathorax short, pubescent. Tegule black. Wings hyaline.
Abdomen sessile, short-oval, a little shorter than the thorax, the base
densely pubescent.

In the ¢ the legs, except the cox, are wholly reddish-yellow; the
antenne long, the scape, pedicel, and first funiclar joint yellow, the fol-
lowing joints brown-black; the second funiclar joint is as long as the
pedicel and first funiciar joint united, stout, the following joints more
slender, cylindric, and about 24 times as long as thick, the apical joint
a little thicker than the basal; scutellum with a minute tubercle at
tip; metathorax and base of abdomen covered with a dense whitish
pubescence; while the abdomen is oval, much shorter than the thorax.

Hapsirat.—Jacksonville, Fla.

Types in Coll. Ashmead.

Synopeas melanocerus Ashm.
Can. Ent., x1x, p. 1380, 9 g; Cress. Syn. Hym., p. 249.

é. Length, 2.1"". Black, polished; face faintly alutaceous, with a
central furrow. Lateral ocelli as near to the front ocellus as to the
margin of the eye. Antenne 10-jointed, long, filiform, black, the joints
after the fourth long, cylindrical, about 4 times as long as thick; pedi-
cel as long as the first and second funiclar joints united; the first funi-
elar joint small, the second thickened and curved. Mesonotum with
2 distinct furrows. Metathorax very sparsely pubescent. Tegulie
piceous. Wings hyaline. Legs piceous, the cox black, the anterior
legs reddish-yellow. Abdomen as long as the head and thorax united,
oblong-oval, the petiole and the foveol at base of the second segment
striated.

Hapsrrat.—Jacksonville, Fla.

Type in Coll. Ashmead.

CCGaLOPELTA Ashm. gen. noy.
(Type C. mirabilis Ashm.)

Head transverse, the occiput scarcely margined, the lateral ocelli as
near to the front ocelius as to the margin of the eye.

Antenne in é 9-jointed, ending in a 4-jointed club; the scape very
slender, notextending beyond the ocelli; pedicel very small; first funiclar
joint a little shorter than the second, the second fully twice as long as
thick; the third subtriangular; club joints elliptic-oval, loosely joined.

Thorax ovoid, convex, the mesonotum very little longer than wide,

21899—No. 45 19

290 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

with faint indications of parapsidal furrows posteriorly; seutellum
cupuliform, similar to the Cynipid genus Eucoila; metathorax pubes-
cent, with lateral carine.

Wings veinless, slightly fringed.

Abdomen ovate, petiolate, the petiole longer than thick, striated.

Legs clavate, the tibial spurs weak, scarcely developed, the tarsi 5-
jointed, a little longer than the tibize, the basal joint of hind tarsi fully
3 times as long as the second.

A remarkable genus readily distinguished by the cupuliform seutel-
lum and affording additional evidence of the close affinities existing be-
tween the Proctotrypide and the parasitic Cynipide.

Ccelopelta mirabilis, sp. nov.
(PIP sare Rio a6)

é. Length, 0.8"". Black, polished; antennz brown, the scape
yellow; legs reddish yeilow, the cox black; metathorax with a silvery
pubescence; wings hyaline, iridescent, the hind wings rounded at
apex, with long cilia; abdomen ovate, polished, the petiole subopaque,
striated and bare.

HABITAT.—St. Vincent, W. I.

Type in National Museum.

Described from a single specimen collected by Herbert H. Smith.

ANOPEDIAS Forster.
Hym. Stud., 11, p. 108 (1856).

Head transverse, the occiput not or indistinctly margined; ocelli 3,
triangularly arranged, the lateral usually wide from the eye margin.

Antenne 10-jointed in both sexes, club in the 2 4-jointed, the joints
being but slightly thicker than the funicle, cylindric, much longer than
thick, the first funiclar joint small, the second, third, and fourth nearly
equal; in é ending in a5- or 6-jointed club, the joints loosely joined, the
last the largest and thickest, ovate or cone-shaped, the first funiclar joint
very minute.

Thorax ovoid, the mesonotum rather short, convex, without furrows,
or with the furrows exceedingly delicate and so fine as to be overlooked
without a strong lens; scutellum flat or subconvex, unarmed at apex
and without fove at base, separated from the mesonotum by a delicate,
transverse, impressed line; metathorax very short, with 2 dorsal carine
and lateral carine.

Wings veinless.

Abdomen in 2? ovate or pointed, in é oblong-oval, longer than the
thorax, or the thorax and head united, the first segment petioliform,
the second, very large, with 2 foveole at base.

Legs clavate, the tarsi longer than their tibiw, the basal joint of hind
tarsi a little more than twice the length of the second,

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 291

Distinguished at once by the shape of the antenna, and the flat or
subconvex scutellum, which is not foveated at base, being separated
from the mesonotum by a delicate transverse line.

Forster indicated no type. Thomson’s definition of the genus is quite
different from mine.

Anopedias error Fitch.
CEE Aor Or.)
Platygaster error Fitch, Sixth N. Y. Rep., p. 76, Pl. 1, Fig. 4.

¢6 2. Length, 1 to 1.2™". Polished black, impeuetured: Head
transverse, as wile as the er ax across from wing to wing, the vertex
posteriorly polished, without trace of aciculations. Meanie 10-jointed,
black, the flagellum subclavate; pedicel pale at tip, as long as the
first two funiclar joints together; first funiclar joint minute; the second,
third, and fourth nearly equal; club 4-jointed, very slightly thicker than
the funicle, ail the joints distinctly longer than wide, the first the short-
est, the last the longest. Thorax long-ovate, polished, impunctured,
the parapsidal furrows very faint; scutellum flattened, or subconvex,
separated from the mesonotum by a very delicate, transverse, impressed
line; mesopleura smooth; metapleura strongly sericeous. Tegulie black.
Wings hyaline, iridescent, pubescent and fringed. Legs brown-blaek,
the trochanters, tip of anterior tibia, and all the tarsi paler. Abdomen
oblong-ovate, polished, very slightly longer than the thorax, the petiole
coarsely grooved, the second segment with some longitudinal striae at
base.

The male is smaller, the abdomen oval, shorter than the thorax, while
the antenne have a 6-jointed, slightly pedicellate club. The first
funiclar joint is very minute, rounded, closely connected with the sec-
ond, the second a little curved and thickened, truncate at tip; the first
club joint is the smallest, the others very gradually increase to the last,
oblong-oval in shape, the last being larger and thicker, fusiform, and
nearly twice as long as the preceding.

HapBitar.—New York, Washington, D. C., Arlington, Va., and La-
fayette, Ind.

Specimens in National Museum.

Described from ¢ and 2 specimens, reared June 14, 1884, by Mr. F.
M. Webster, from Diplosis tritici.

I had previously identified a species of Polygnotus as Platygaster error
Fitch, but a more careful examination of Fitch’s figure and description
Satisfies me now that I was mistaken, and that the species described
here is really his P. error.

The identification by Dr. Fitch of the fragments of an insect sent to
him by Mr. Herrick and reared from an Hemipterous egg (Nabis), as
his Platygaster error, was certainly erroneous, since it was undoubtedly
nothing but a species of Telenomus, as Mr, L, O. Howard has already
pointed out,

292 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.
Anopedias pentatomus, sp. nov.

2. Length, 0.8", Polished black, impunctured, except the meta-
thorax and petiole; parapsidal furrows entirely wanting; scutellum
subconvex, separated from the mesonotum by a transverse grooved
line; metapleura with a dense sericeous down; petiole sparsely pubes-
cent, striated; legs and antenne, except the 5-jointed club which is
brown-black, honey-yellow, the femora and tibixe tinged with red.

The head is broadly transverse, much wider than the thorax, the face
convex, highly polished, the lateral ocelli twice their width from the bor-
der of the eye. Antenne 10-jointed, the scape clavate, very slender at
base, strongly curved; pedicel as long as the 3 funiclar joints together;
first funiclar joint very minute, the second and third equal, not longer
than thick; ciub 5-jointed, the joints a little longer than thick. Abdo-
men ovate, narrowed at base, the base of the second segment with two
long, striated foveole at base.

Hasirat.—Arlington, Va.

Types in Coll. Ashinead.

Anopedias incertus.
Ashm., Can. Ent., x1x, p. 138, 9; Cress., Syn. Hym., p. 249.

2. Length, 1.6". Polished black, feebly sericeous; parapsidal fur-
rows faintly indicated posteriorly; scutellum ending in a small tuber-
cle; metapleura covered with a dense silvery white pubescence; legs
and antenne brownish-yellow or reddish, the 4-jointed club and the
cox black, the middle and posterior femora obfuscated.

The head is transverse, obliquely narrowed behind the eyes, aluta-
ceous, the ocelli not quite touching the border of the eye. Antenne
10-jointed, the funicle long and slender, the first joint as long as the long
and slender pedicel, the following joints shorter, subequal, club joints,
except the last, quadrate, the last conical, nearly twice as long as the
penultimate. Abdomen oblong-oval, polished, the broadest part a little
wider than the thorax, the first segment short, densely pubescent above.

6. Length, 14". Agrees with the ? except that the antenne and
legs, including all cox, are brownish-yellow, the club dusky, the abdo-
men oval, narrower than the thorax.

Habirar.—Jacksonville, Fla,

Types in Coll. Ashmead.

AMITUS Haldeman.
Sill., Am. Jour., 2d Ser., rx, p. 109, 1850.
Zacrita Forster, Kleine Mon., p. 46.

(Type A. aleurodinus Hald.)

Head transverse, the frons subeonvex, the occiput not margined;
ocelli 3, subtriangularly arranged, the lateral distant from the margin
of the eye; eyes oval,

)

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 293

Antenne inserted just above the clypeus; in 2 8-jointed, the scape
subelavate, lengthened, extending far above the vertex; pedicel long,
thicker than the first funiclar joint; funiclar joints subequal, gradually
becoming wider and shorter, the first the longest and slenderest; club
thicker than the last jointof funicle and as long as the two preceding
joints together, unjointed, but under a high power 3 indistinct joints
can be detected; in $ 10-jointed, verticillate from the third joint; ped-
icel short and thick; first flagellar joint as long as the pedicel but
thinner and obconic; second nearly twice the length of first, thicker
at apex than at base; third to last cylindrical and subequal; last joint
elongate, conical.

Thorax robust, subovoid, convex, the mesonotum broader than long
with two delicate grooved lines; scutellum large, semicircular, con-
vex, separated from the mesonotum by a transverse grooved line at
base; metathorax exceedingly short, abrupt.

Wings broad, ciliated, veinless, although a trace of the submarginal
vein can be detected when the wing is viewed through transmitted light.

Abdomen broadly ovate or subcordate, sessile, about as long as the
thorax, the first segment very short, transverse; the second very large,
occupying most of the surface.

Legs rather long. The femora clavate, tibive subclavate, tarsi slen-
der, 5-jointed, longer than their tibiwe, the basal joint of hind tarsi 24
times as long as the second.

Amitus aleurodinis Hald.
(Ply xan, Big7 8, 9).))

Amitus aleurodinis Hald., Sil. Jour. Sci., 2d ser., rx, p. 110, 1850; Cr., Syn., Hym.,
p. 250,

Elaptus aleurodis Forbes, 14th Ill. Rep., 1884, p. 110, Pl. 11, Fig. 6, 9°

Alaptus aleurodis Cr., Syn. Hym., p. 250.

6 @. Length 0.75 to 1™™. Polished black; legs variable in color,
most frequently brownish-yellow or pale rufous, the coxie and femora
sometimes dusky or blackish; sometimes only the hind femora and
cox black.

Antenne in 2 8-jointed, as long as the body, terminating in an un-
jointed club, brownish-yellow, the club brown; the pedicel and first
funiclar joint long, the former a little the longer and thicker, the follow-
ing joints to club subequal in length but gradually thickened; in ¢ 10-
Jointed, yellow, the flagellar joints with verticillate hairs. Thorax with
2 delicate furrows. Metapleura pubescent. Wings hyaline, ciliated.

Abdomen broad, about as long as the thorax; the first segment very
Short rugose; the second, except foveole at base, and the following,
smooth, polished.

HABIratT.—Pennsylvania, District of Columbia, and Hlinois.

Types in Coll. American Entomological Society.

The types I have seen; they are still preserved in the Coll. Ameri-
can Entomological Society, although in poor condition, The National

294 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Museum contains a fresh specimen, reared March 29, 1882, by Dr. Riley
from Aleurodes sp. occurring on Acer dasycarpum at Arlington, Va.,
while my collection contains a single specimen captured with the
sweeping net.

Prof. Haldeman gives the following interesting facts respecting it:
“Parasitic on the larva of Alewrodes corni Hald., of which it destroys a
great many. I found it with that insect beneath the leaves of Cornus
sericea on the margin of a water course. It leaps, walks, and flies with
facility, and when touched simulates death. The antenne are kept in
a constant state of vibration. Ihave kept them a week or more, liv-
ing in confinement. The ova (crushed from the ovaries) are fusiform,
rounded at one extremity and produced at the other like the neck of a
flask.”

The insect deseribed by Prof. Forbes as Hlaptus alewrodis, reared
from Aleurodes aceris Forbes, is evidently identical.

Geoffroy has described an Aleurodes aceris in Europe, and I would
here suggest the name A. Forbesii, for Prof. Forbes’s species.

TRICHACIS Forster.
Hym. Stud., 11, p. 108 (1856).
(Type, 7. pesis Walk.)

Head transverse; the frons subeconvex, the occiput notor only deli-
cately margined; ocelli3, ina triangle, thelateral ocelli their width away
from the margin of the eye.

Antenne 10-jointed in both sexes, in ? ending in a 5-jointed club,
the first and third funiclar joints minute, the second lengthened, as long
as the pedicel and first funiclar joint together; first club joint the shortest,
the last the largest, ovate; in ¢ with the club thinner, the joints more
elongate, cylindrical. the first and second funiclar joints long, not small,
or the first very minute, the second swollen.

Thorax ovate, the pronotum produced into a slight neck anteriorly;
mesonotum convex, about twice as long as wide, with 2 deep furrows;
scutellum somewhat elevated, with a tuft of hair at tip, but without a
thorn or tubercle; metathorax very short, with two median keels, the
pleura pubescent.

Wings ciliated, veinless, the submarginal vein traceable basally.

Abdomen in 2 conic-ovate, 4-jointed, the first segment petioliform, stri-
ated, the second as long as the two following together, with 2 foveole at
base, the third less than one-third the length of the fourth, with trans-
verse rows of small punctures, the fourth or last conical, compressed
from above and below, margined, the apical half very flat or subcon-
cave, with striv at base followed by a slight smooth prominence; in é
oblong-oval, 8-jointed, the last two segments very minute, segments 3,
4, and 5 nearly equal, usually with transverse rows of punctures.

Legs clavate, the basal joint of hind tarsi more than twice as long
as the second.

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 295

Distinguished by the tuft of hair at tip of scutellum, antennal char-
acteristies, and the long, distinctly furrowed mesonotum,

TABLE OF SPECIES.

Cox black, or at least the hind pair black.
- Lees and seape of antenne rufous.
Flagellum brown black ; pedicel scarcely as long as the first funiclar joint; fourth
ventral segment not punctate, the fifth not striate.T. RUFIPES, sp. noy.
Posterior femora, and tips of tibie brown.
Flagellum brown; pedicel much longer than the first funiclar joint, the second
longer than the pedicel, the third small; fourth ventral segment
UMC tate eth etki les Del aie eve nee =e T. RUBICOLA, sp. Noy.
Legs brownish-piceous, anterior pair, base of middle and posterior tibisw-and tarsi
honey-yellow.
Antenne brown, first funiclar joint very small, the second elongate; ventral
segments with a row of punctures at base..T. ARIZONENSIS, sp. Noy.
Legs pale brown, the trochanters, anterior tibiz, and base of middle and posterior
tibiwe honey-yellow.
Antenne brown, the scape and pedicel yellow, first and third funiclar joints
small, the second elongate; apical ventral segment striated.
T. BRUNNEIPES Ashin.
Coxie pale.
Legs piceous or brownish, base of middle and posterior tibiwe, anterior tibia, and
tarsi pale.
Antenne dark brown, the first and second funiclar joints about equal, the third
and fourth minute; ventral segments impunctured,
‘T. VIRGINIENSIS, Sp. nov.
Trichasis rufipes, sp. nov.
GRIF exci ono Or.)

62. Length, 2 to 2.5". Black, shining; the thorax with a sparse,
fine pubescence. Head transverse, with some microscopic punctures
on the crown; lateral ocelli with a slight curved depressed line behind;
face highly polished. Antenne 10-jointed, the scape rufous, the flagel-
lum brown-black; pedicel of equal length with thesecond funiclar joint;
first and third funielar joints smaller than the second; club 5-jointed,
slightly thickened toward apex, the first joint a little longer than thick,
narrowed toward base, the second, third, and fourth joints quadrate,
a little rounded basally, the last joint cone-shaped, one-third longer
than the preceding. Thorax elongate-ovate with distinet furrow; scu-
tellum depressed across the base, pubescent and with a tuft of hairs at
tip; metapleura sericeous; tegule black. Wings subhyaline, pubes-
cent, not fringed or the fringe exceedingly short. Legs yellowish-red,
the coxe black. Abdomen longer than the head and thorax together,
pointed at apex, the petiole longer than thick, finely rugose, with a
middle carina, the second segment very long with two long foveole at
the base, the tip with sparse white hairs.

In the ¢ the second funiclar joint is elongate the club 6-jointed;
otherwise closely resembling the 2.

HABITAT.—District of Columbia, Virginia, Florida, and Missouri,

Types in Coll, Ashmead and National Museum,

2596 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Described from several specimens. A single 2 specimen is in the
National Museum, reared by Dr. Riley at St. Louis, Mo., from acorns
infested with Balaninus nasicus and Blastobasis glandulella; but the
acorns must have also contained Cecidomyiid inquilines.

Trichasis rubicola, sp. noy.

469. Length, 1.4 to 1.6"™. Polished black, impunectured; head
with a few transverse aciculations on the crown. Antenne 10-jointed,
the seape yellow, the flagellum pale brown; pedicel oval; first and
third funielar joints very minute; second much elongated and thick;
club 5-jointed, the joints longer than thick. Thorax ovate, with distinct
furrows, the base of the middle lobe elevated slightly upon the scu-
tellum; seutellum with depressions at sides and base, and with a tult
of pubescence at tip; metapleura sericeous; tegule black. Wings
hyaline. Legs yellowish, the coxie black, the posterior femora and
tibiee toward tips, dusky. Abdomen longer than the head and thorax
together, pointed at tip, the petiole fluted, the second segment with 2
foveole at base, the third with some punctures, the fourth, striated.

In the male, the fourth, fifth, and sixth abdominal segments have a
transverse row of punctures; club of antenne 6-jointed, darker colored,
the joints cylindrical, at least thrice as long as thick.

Hapirar.—Cadet, Mo., and District of Columbia.

Types in National Museum and Coll. Ashmead.

Described from many specimens. The National Museum contains
specimens, reared by Dr, Riley, June 16, 1883, from a Cecidomyiid stem-
gall on Blackberry at Cadet, Mo.; and others reared June 9, 1586, from

a Cecidomyiid gall on Vernonia noveboracensis, collected at Washington. .

Trichasis arizonensis, sp. noy.

42. Length, 1.2 to 1.6™", Very closely allied to 7. rubicola, but
differs in the vertex of the head being distinetly aciculated, the anten-
ne being wholly brown-black, the legs darker, brownish or fuscous, the
anterior legs, base of middle and posterior tibive and tarsi pale or
honey-yellow; while the 5-jointed club in the 2 is more slender than
in T. rubicola, with the joints at least twice as long as thick. The
sculpture in both species is similar. :

Hapirat.—Mount Graham, Ariz.

Types in National Museum.

Described from specimens reared from a Cecidomyiid gall on wild
sunflower, received from Mr. H. K. Morrison.
Trichasis brunneipes Ashm.
Can. Ent., xIx, p. 131, 9 ; Cress. Syn. Hym., p. 250.

2. Length, 2». Elongate, polished, black, impunctured; head
transverse, the lateral ocelli a little more than their width from the
margin of the eye. Antenne 10-jointed, cylindrical, the scape and

;
%
¥.
:
é
+
.
?
b,
&
+
;

‘a

=?

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 297

pedicel yellow, the flagellum brownish-black; the first funiclar joint is
very small, the second elongate, twice the length of the pedicel, the
third obeonic, shorter than any of the following joints, which are fully
twice as long as thick, cylindric and loosely joined, the last being con-
ical and a little longer than the preceding joint. Thorax long, with 2
complete furrows; scutellum with a tuft of pubescence at apex cover-
ing a minute tubercle; metathorax pubescent. Legs brownish-yellow,
the anterior pair yellowish, the middle and posterior cox and thickened
parts of their femora and tibize brownish. Wings hyaline, pubescent.
Abdomen long, conically pointed, polished, the petiole striated, the
third segment with a transverse row of punctures, the fourth striated;
the apical dorsal valve flattened, smooth, delicately margined at sides.

HABITAT.—Jacksonville, Fla.

Type in Coll. Ashmead,

Trichasis virginiensis, sp.nov.

2. Length, 1.1’. Polished, black, impurctured; head transverse,
shining, the vertex separated from the occiput by a transverse ridge,
the lateral ocelli Deing nearer to the front ocellus than to the margin
of the eye. Antenne 10-jointed, brownish-yellow, the club black; first
and second funiclar joints equal, longer than thick, the third small,
the fourth triangular; the club a little thickened towards apex, the
first three joints transverse, rounded at base, truncate at tip, the first
the smallest, the last joint conical, nearly twice as long as the penulti-
mate; all the club joints slightly pedicellate. Thorax ovate, polished,
with two distinct furrows which are very delicately impressed aateri-
orly; sides of collar visible in front of the tegule; seutellum, with
finely rugose, pubescent foves at base, a convex, shining prominence
medially and a tuft of pubescence at tip, inclosing a small tubercle;
metapleura pubescent. Wings subhyaline, probably from the fuscous
pubescence. Legs brownish-yellow, the cox and femora with a red-
dish tinge. Abdomen pointed ovate, polished, petiolated; the petiole
roughened, the apical segment conical, as long as the fourth and fifth
together; the second segment with 2 striated foveolwe at base.

HABItat.—Arlington, Va.

Types in Coll, Ashmead.

Trichacis auripes Prov.
Add. et Corr., p. 403.

9. Long. 15 pee. Noire, polic, brillante; le scape avee les pattes d’un bean
jaune dor. Le funicule des antennes brun foncé. Ailes sans nervures distinctes,
grandes, plus longues que Vabdomen. Le thorax rétréci en avant, le mésothorax
avee deux sillons trés apparents; l’6cusson convexe, terminé par une toutte de poils
grisatres, séparé du mésothorax par une double fossette large et profonde. Les
hanches noires, les cuisses postévieures renfleés en massue et plus ou moins obscures.
Abdomen subsessile, poli, brillant, déprimé, arrondi A Vextrémité, le 2° segment le
plus grand. (Provancher.)

Hapirat.—Cap. Rouge, Canada.

Not recognized.

998 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

HYPOCAMPSIS Forster.
Hyin. Stud., 11, p. 108, (1856.)
(No type described.)

Head transverse, frons convex, the occiput not margined; ocelli 3, in
a triangle, the lateral nearer to the front oceilus than to the margin of
the eye.

Antenne 10-jointed in both sexes, in 2 subelavate, or with a 4- or
h-jointed club, all the joints cylindrical, the joints 2 to 6 longer than
thick; in é with the first funiclar joint short, cup-shaped, the second
very strongly thickened, the last 6 joints cylindric, with short hairs,
the last the longest.

Thorax subovoid, the mesonotum short, convex, with two impressed
lines; scutellum subelevated, rounded behind, foveated at base; meta-
thorax very short, the pleura pubescent.

Wings veinless, pubescent.

Abdomen nearly elliptical, the margins broadly deflexed, the first
segment longer than thick, the last 4 segments together not quite as
long as the second.

Legs clavate.

Distinguished by the broad, deflexed margins of the abdomen. Fors-
ter’s type appears not to have been described, although Thomson has
recognized the genus in Sweden and describes three species therein.

Hypocampsis pluto Ashm.
(Pisc, Pic. 10) 59%)
Can. Ent. x1x, p. 131, 9 ; Cress. Syn. Hym., p. 250.

@. Length, 1.5". Wholly black, polished, the tarsi alone slightly
piceous. Head transverse, wider than thorax, the lateral ocelli more
than their width from the margin of the eye; the eyes large, long-oval.
Antenne 10-jointed, the last funiclar joint thicker than the preceding;
club 4-jointed (5-jointed if we count the thickened last funiclar joint
which might really be considered as belonging to it), the joints all
longer than thick, cylindric, the last conical and longer than the penulti-
mate. The thorax is roundedly narrowed anteriorly with 2 delicate
furrows; scutellum rounded, highly convex; the metathorax short,
strongly sericeous. Wings hyaline, pubescent, the tegule black. Ab-
domen subovate, pointed at tip, narrowed toward base, very little
longer than the thorax, with broad lateral margins.

Hapirat.—Jacksonville, Fla.

Type in Coll. Ashmead.

ERITRISSOMERUS Ashm., gen. nov.
(Type E. cecidomyice.)
Head broadly transverse, with a sharp acute process between the
antennie, the lateral ocelli away from the eye margin, but still nearer
to it than to the front ocellus,

* MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDE. 299

Antenne 10-jointed, in both sexes, ending in a 6-jointed club, the
second funiclar joint in the male very broadly dilated, the first being
very minute and closely joined to, and not separable from, the second.

Thorax ovoid, convex, the mesonotal furrows distinct, the seutellvum
rounded, the metathorax very short, bicarinated.

Wings veinless, almost bare of pubescence.

Abdomen oval, the petiole short.

Legsclavate, the hind tarsi longer than their tibice, the basal joint long.

A genus allied to Platygaster, but readily separated in the female by
the acute carina between the antenne, and in the male by the very
broadly and roundedly dilated second flagellar joint, the first and see-
ond being conjoined.

Only a single species is known.

Eritrissomerus cecidomyie, sp. nov.
(Bexar ioe Ou

?. Length, 2.1" Black, subopaque, finely sculptured; head trans-
verse, the vertex and cheeks rugulose; frons with an impressed line
in front of the front ocellus, the face transversely striated; lateral
ocelli a little more than their width away from the margin of the eye;
mandibles rufo-piceous. Antenne 10-jointed, the scape, except at both
ends, and the 6-jointed club, brown-black; antennal tubercle, distal
ends of scape, the pedicel and funicle honey-yellow; the pedicel as
long as the first and second funiclar joints united, the first funiclar joint
slender, closely united with the second and longer than thick, the second
obliquely truncate at tip; club 6-jointed, submoniliform, the joints
closely joined, except the last, joints not longer than thick. Thorax
with two distinct furrows, the scutellum convex, margined at sides,
closely punctate, the mesopleura impressed at the middle, the con-
vex piece beneath the tegule striated, the metapleura bounded above
by a distinct carina, striate and pubescent. Wings clear hyaline, the
tegule piceous. Legs blackish, the anterior pair, except the coxa,
base of middle and posterior tibie, honey-yellow, the middle and pos-
terior tarsi brownish. Abdomen oval, scarcely longer than the thorax,
with the basal one-third of the second segment and the petiole striated.

In the ¢ the antenne are wholly brownisb-yellow, with the second
funiclar joint very broadly roundedly dilated, the first, second, and last
joints of the club being distinctly longer than thick, while all the
trochanters and the knees of middle and hind legs are honey-yellow.

Haprrat.—Jacksonville, Fla.

Types in Coll. Ashmead.

Described from several specimens, reared from a Cecidomyiid gall on
Hickory.

POLYGNOTUS Forster.
Hym. Stud. 11, p. 108 (1856).
(Type P. striolatus Nees.)

Head broadly transverse, the vertex broad, the occupit margined,

ocelli 3 in a triangle, the lateral close to the margin of the eye.

300 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Antenne 10-jointed, the scape subclavate, slightly curved at base,
in both sexes terminating in a 5-jointed club, the funiclar joints vary
but the first in both sexes is usually minute, the second and third sub-
equal, cylindric, in ?, while in the é the second is enlarged, swollen,
the third scarcely half as large, thinner and obliquely truneate at apex.

Thorax subovoid, convex, the mesonotum rarely 14 times as long as
wide, with or w tone mee s; scutellum transversely elevated, convex
or cushion-shaped, sonerared. from the mesonotum by a transverse
depression or furrow; metathorax short, the metapleura bounded above
by a carina.

Wings veinless.

Abdomen, in 2, pointed-ovate, depressed, 6-jointed, the first joint
petioliform, striated, the second longer than the following together,
smooth, with 2 oblong foveole at base, in ¢ oblong oval, 7- or 8- jointed.

Legs clavate, the basal joint of hind tarsi about thrice as long as the
second.

Distinguished from Platygaster by the shorter, rarely distinctly
grooved mesonotum, broader head, different antennie, and the higher,
more convex, Or Cushionedesianeel Scenics which has a deep trans-
verse impression all across the base.

TABLE OF SPECIES.

FEMALES.

Mesonotal furrows enhite ss-se.5 55.2562 oe eee eee ee wai naieieicnie ssc seem

Mesonotal furrows indicated only posteriorly ------::.------2s-4- --s- 4-2-2 e5 3

Mesonotum without trace of furrows, or the faintest fae of them posteriorly.
Vertex not transversely aciculated= 22-222 as - 2 so -tele ne sees sone csi colon ea ie viens
Vertex transversely acicwated. -

Coxie black.
Legs black or brown-black.

Antenne black; pedicel as long as the two following joints united and
much thicker, the tip pale; first joint of funicle small, second and
third larger, nearly equal, the second slightly the larger, fourth
transverse; club joints, except the last, as broad as long.

P. SALICICOLA

Antenne brown-black; pedicel much longer than the two following
joints united and much stouter; joints one and two of funicle very
small, nearly equal, the third slightly larger, fourth transverse;
club joints, except the last, only slightly longer than thick.

P. DIPLOSIDIS
Cox:e dark rufous or piceous.
Legs rufous, the tarsi yellowish, femora and tib often dusky.

Scape black, sometimes pale at base and apex, flagellum dark brown;
pedicel as long as the two following joints united and stouter;
joints one and three of funicle minute, the second slightly larger,
fourth longer than wide; club joints except the last, very slightly
wider thandon /222 7-505) ace eee ne P. BACCHARICOLA Ashm.

Front legs, all trochanters and tarsi honey-yellow, sometimes the front
femora and tibice dusky, middle and posterior femora and tibize dark
brown or black; sometimes all the legs pale brown,

.
Bar
te

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 301

Antenne brown, the scape variable, sometimes almost black; pedicel longer

than the two following joints united, not especially stout; joint

1 of funicle very minute, second larger and a little thicker than

the third, fourth broader; club joints, except the last, not especially

widened, slightly longer than wide

2. Legs dark rufous, the tarsi pale.

Antenne brown; funiclar joints 1 to 3 very small, slightly increasing in size,
fourth larger; club joints, except the last, scarcely longer than

Been Sea P. SOLIDAGINIS Ashin.

Wil Cl C Smee nese REE Rn AIM ee TE Dr hey RE Sola, ce ah P. PINICOLA.
3. Vertex not transversely striated or aciculated, smooth, or at the most very faintly
ACTC UNA TOC ere terrace eee ee ermie NR ae Ee oe | eT 4

Vertex posteriorly strongly transversely striated or aciculated.
Vertex impressed at the middle, subangulated just over the eyes.
Legs and antenne black or brown-black...............--- P. STRIATICEPS.
Vertex not impressed at the middle.
Coxie black.
Legs and antenne black, trochanters, tip of anterior tibiw, and tarsi honey-
yellow.
Dorsal abdominal segments 3, 4, and 5 impunectured, joint 1 of funicle
very minute, pale, second slightly longer than the third.

Club joints a little longer than thick, cup-shaped, outwardly sub-
HOUMA Oy epee s ctoe aas messi ieee cere hice ee ree Sa eee ee P. ATRIPLICIS.

Club joints wider than long, outwardly not serrated....P. ARTEMISLE.

Dorsal abdominal segments 3,4, and 5 with a row of punctures.
P. VIRGINIENSIS.
Legs brown or piceous, trochanters, knees, tips of anterior tibize, and tarsi
pale.
Head very wide.

Apical ventral segments not punctate.

Tegul black; joint 1 of funicle very minute, second longer than the
third; club not especially widened, the joints scarcely broader
UL ATMO Cras meee te sae ee te tee ea Soho oitc<. oe hae P. ALNICOLA.

Tegulie rufo-piceous; joint 1 of funicle small, second and third nearly
equal; club very wide, the joints wider than long, serrate toward
ON CISC Cee ees seers Hans sae ee ees See er ere tone eee eas P. TUMIDUS.

Apical ventral segments punctate.

Head four or nore times as wide as thick.

Clubp oimtsiloncerithanl widersess os ose sees eee P. LATICEPS.
Head not especially wide.

Tegulx rufo-piceous; antenne brown; pedicel not long, eylindrie,
twice as long as thick; joint 1 of funicle small, not longer than
thick, second larger and a little longer than the third; club joints,
except the last, scarcely longer than wide_...P. HTEMALIS Forbes.

Tegule black; antennie brown-black; pedicel long, cylindric, fully
thrice as long as thick, second longer and thicker, third a little
longer then the second; club slender, the joints distinctly longer
LUE ML Oe see No oe ee re Sn Ro Bee le eta P. PROXIMUS.

Coxie rufo-piceous or pale.
Legs and antenne dark brown; trochanters, base of tibiw, and tarsi pale.
Tegulie rufo-piceous; joint 1 of funicle very minute, second and third
larger, about equal in length, the second the thicker; club joints,
except the last, as wide as long.
Four last dorsal segments with a row of punctures. ...--- P. VITICOLA.
4. Vertex angularly produced just over the eyes.
Legs and antennz black; tarsi piceous ........-.2-.-seee+-eeee-P. UTAHENSIS,

7

302 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.
Vertex not angularly produced.

Coxe black.
Legs black or brown-black, the tarsi usually pale.
Metapleura bare, aciculated.
Club stout; the joints, except the last, as wide as long.
P. CynrprcoLta Ashi.
Metapleura covered with a sericeous pubescence.
Tegule rufo-piceous.
First three funiclar joints slender, cylindric, of equal thickness, the see-
ond slightly longer than the third; club slender, the joints distinctly

longer than thich 2s 225.28 eee ee eee ee oe eee P. EUROTLE.
First funiclar joint small, the second and third larger, equal; club slen-
der, the joints, except the last, not longer than thick -.--- P. RUBI.

Tegule black.

First funiclar joint very small, second and third longer, equal, the fourth
stouter; club very slender, the joints, except the last, scarcely longer
than thick; a tuft of hairs at base of parapsides....P. ASYNAPT.

First funiclar joint small, the second and third longer, the second the
larger, the fourth stouter, a little longer than the second; club not
so slender, the joints, except the last, slightly wider than long; no
tuft of hairs at base of parapsides ....-...-.---:---- P. HUACHUCA.

5. Tegule rufo-piceous.
Legs rufo-piceous, the front tibia and all tarsi and knees honey-yellow.

Antenne brown-black; joint 1 of funicle minute, second slightly longer
and thicker than the third, fourth as long as second, but stouter;
club joints slightly pedicellate, a little longer than thick; no tuft
of hairs at base of parapsides..--.....-.-2 2.2... P. ACTINOMERIDIS.

Antenne brown; joint 1 of funicle very minute, second and third longer,
about equal, fourth stouter; club joints longer than thick; a tuft
of hairs at) base of spparapsidesi]---e2+-ee-- ase P. VERNONIA.

Tegule black.
Legs rufo-piceous, trochanters, knees, tips of tibiwe, and tarsi pale or honey-
yellow.

Antenne dark brown; joint 1 of funicle minute, not rounded, second a
little larger, third shorter than second; club joints as wide as long;
a slight tuft of hairs at base of parapsides.-.....-- P. ASTERICOLA,

6. Vertex posteriorly microscopically shagreened or punctate.
Coxe black.

Lees black, tarsi fuscous.

Antenne black, slender; funicle joints, first and second small, about equal,
scarcely longer than thick, third and fourth larger, equal; club
very slightly thicker than the last funiclar joint, a little thicker
toward apex; the joints, except the last, one and a half times as
lone as thick: wines byalinets------ = =-=-es=—= P. COLORADENSIS,

Antenne very slender, long, subclavate, black; joint 1 of funicle twice
as long as thick, second nearly twice as long as the first, third and
fourth shorter but stouter; the club joints thrice as long as thick ;
SVVALTA O'S pyre OS sete eae ete nee ete oleae ee eee P. FILICORNIS.

Vertex posteriorly smooth, shining.
Coxe and legs black, the tip of anterior tibie and tarsi fuscous.

Antenne black, the pedicel 2} times as long as thick; first three funiclar joints
about of an equal length, the third a little the stoutest; club 5-
jointed, very little longer than thick, except the last, the three
middle joints outwardly subserrate; wings slightly smoky.

P, CALIFORNIOUS,

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA, 303

MALES.
Mesonotum with the furrows complete .....-.-...--.--... sce Mecsleerscate Be eeetee 5
Mesonotum with furrows indicated only posteriorly .-.--...----------- ee eats
Mesonotum without trace of furrows or the faintest trace posteriorly.
Vertex not or very faintly transversely aciculated .-...--..----...-------e0e 2

Vertex transversely aciculated or striated posteriorly.
Cox black.

Legs black or brown-black.

Antenne black; pedicel longer than the first two funiclar joints; first funi-
clar joint very minute close to the second; the second as wide as long;
third narrow, a little longer than thick; the fourth transverse,
smaller tham the first club jJomt.-.....2...2-.-..---- P. SALICICOLA.

Coxe rufo-piceous.

Legs dark rufo-piceous, tarsi honey-yellow, femora and tibiwe dusky at the
middle.

Scape black? flagellum! dark brown=2.-sce--s-s--- 552-155 - P. SOLIDAGINIS.

Antenne brown-black; pedicel about as long and thick as the second funi-
elar joint; club 6-joint oval-moniliform, slightly pedicellate, hairy -

P. BACCHARICOLA.

Antenne dark brown; pedicel almost as long as three funiclar joints united ;
first funiclar joint minute, close to the second; the second twice as
long as the first; the third half the length of fourth; first three
club joints equal, oval, the last conic, narrower and longer than the

- BEC CE CIN ees aera yates eiatee inl sieleielaie cleveicretoe cee eia iat P. DIPLOSIDIS.

Legs rufous, the tarsi pale.

Antenne brown; pedicel about as long as the first two funiclar joints united;
the first funiclar joint minute, closely united with the second; the
second subtriangular or twisted, dilated towards one side; club
6-jointed, oval-moniliform, slightly pedicellate, hairy..P. PINICOLA.

2. Coxe black.
Legs dark brown, tarsi whitish.

Pedicel a little longer than the second funiclar joint, the first very small; club
6-jointed, the joints, except the last, moniliform, the last cone-
; shaped, nearly twice as long as the preceding -.------ P. PROXIMUS.

Legs black.

Pedicel as long as the second funiclar joint ; first funiclar joint small, rounded;
the second shorter than the first club joint; club 6-jointed, the
joints, except the last equal, a little longer than thick, the last long
fusiform, thicker, and twice as long as the preceding. .P. ASYNAPT®.

Coxe pale or brown; antennie dark brown.
Legs brownish-yellow, posterior femora dusky.

Pedicel as long as the first and second funiclar joints united; the tip yellow;
first joint of funicle very minute, the second a little curved; club
6-jointed, a little thickened toward apex; the joints, except the
last moniliform; the last conic, not twice as long as the preceding~.

P. ACTINOMERIDIS.
3. Cox brown or rufo-piceous........ eS Hie Viole eid suis ate o aaere Shemeetieceeesded
Coxe black.
Vertex posteriorly transversely aciculated.

Legs and antennie black, tarsi pale.

Pedicel as large as the first and second funicle ioints together, the first
small, rounded, the second wider than long, a little dilated towards
one side, club 6-jointed, the joints oval, gradually increasing in size,
loosely joined, hairy, the last fusiform, twice as long as the pre-
ceding —-..- Ste pastes snus Senses Sivsree seeaasine P. STRIATICEPS,

304. BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Pedicel smaller than the second funiclar joint, the first funiclar as long as
thick, close to the second, the second longer than wide, and a little
thicker than any of the others, club 6-jointed, the joints, except the
last, not longer than wide, the last cone-shaped, twice as long as
the preceding, all with glittering white hairs..-.... P. ATRIPLICIS.

Pedicel as long as the second funiclar joint, the first rounded, the second
curved, twice as long as thick, club 6-jointed, with white hairs, the
joints, except the last, oval, loosely joined, the last cone-shaped,
twice'as lone as the preceding 2-22-2525 eee eee = eee P. VITICOLA.

Trochanters, anterior knees and tibiz at tips, all tarsi and the base of middle
and posterior tibiw, honey-yellow.

Pedicel longer than the second funiclar joint, which is dilated apically, the
first funiclar joint small, club 6-jointed, the joints, except the first
and last, a little longer than thick, the first as wide as long, the last
conical, twice as long as the preceding.....--- P. HIEMALIS Forbes.

Legs rufo-piceous, anterior tibize and the tarsi honey-yellow.

Pedicel as long as the first and second funiclar joints together, the first
small, the second a little longer than wide at apex, the third shorter,
club 5-jointed, the joints, except the last, quadrate...P. CYNIPICOLA.

Pedicel not as long as the first and second funiclar joints united, the first
small, rounded, the second nearly twice as long as thick, club
6-jointed, hairy, the joints, except the last, oval, the last fusiform,
twice as loners the precedime sess sses. eee oa 2 P. ALNICOLA.

4. Legs brown, middle and posterior femora dusky.

Pedicel longer than the second funiclar joint, the first small, rounded, the
second curved, dilated at tip, club 6-jointed, the joints, except the
last, moniliform, loosely joined, the last fusiform, twice as long as
the preceding’. 255.3265 2i8 ah Se Ss ese ee eee P. ASTERICOLA.

Pedicel as long as the first and second funiclar joints united, the first very
minute, the second a little thicker than long, not dilated at tip, club
6-jointed, the joints, except the last, moniliform, the last thicker,
long-oval, not twice as long as the preceding.. .----- P. VERNONLA.

Legs dark rufous.

Pedicel as long as the second funiclar joint, the first small, rounded, the
second thickened, slightly curved, club 6-jointed, the joints, except
the last, longer than thick, the last conic, one-third longer than the
precedinig.s a22 ine sec House culate Ges oben mee ee eee eee P. EUURZ.

Legs pale brownish-yellow, the posverior femora and tibiw slightly dusky.
Antenne, except the club, pale brownish-yellow; pedicel as long as the first
three funiclar joints united, first and second small, the third dilated,
elub 6-jointed oval-moniliform, the last joint twice as long as the

preceding. .- 5. Benes eee setae eee eee P. FLORIDANUS.
Vertex not punctate or shagreened, shining....-...-...-...-----ees-------- 6

5. Vertex finely closely punctate or shagreened, opaque.
Coxe black.
Vertex angularly produced over the eyes.
Legs black, the tarsi rufouss=-25- -5 sess -= ee Soe = secu cewek) ANGULATUSS
Vertex not angularly produced over the eyes, normal.

Legs dull rufous, posterior femora piceous, tarsi yellowish, sides of prono-
tum striated; joints of club, except the last, transverse-moniliform,
the last fusiform, twice as long as the penultimate; second funiclar
joint very slightly dilated -22225-2-= 2. 22-- sone P. STRIATICOLLIS.

Sides of pronotum perfectly smooth, polished; joints of club, except the
last, transverse-moniliform, the last fusiform; second funiclar joint
much dilatedic: cca. cece. vit vie soe le metals emia ieee es a aC Oana

ee

:
|

a hee

:

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 305

6. Head and thorax polished.

Antenne and legs black, pedicel about as long as the first and second funiclar
joints united, pale at tip, the first small, the seeond a little curved,
club 6-jointed, the joints, except the last, a little longer than thick,
the last cone-shaped, one-third larger than the penultimate.

P. COLORADENSIS.

Antenne and legs rufo-piceous.

Pedicel not as jong as the first and second funiclar joints united, the second
large, dilated, curved, the joints of club longer than wide, the last
twice as lone as the penultimate: ...-...2---.---.--.. P. FILICORNIS.

Pedicel as long as the first and second funiclar joints united, the second
swollen, the joints of the club twice as long as thick, the last not
twice as long asthe penultimate.........-..-.---. P. CALIFORNICUS.

Polygnotus salicicola, sp. nov.

62. Length, 0.80 to 1.40". Polished black; head thrice as wide as
thick antero-posteriorly, the vertex posteriorly strongly transversely
aciculated, face smooth. Antenne 10-jointed, black, the flagellum not
quite twice as long as the scape; pedicel as long as the first and second
funiclar joints together but stouter, the tip pale; joint 1 of funicle
very small, yellowish, not as long as thick; second scarcely twice as
long as thick, third shorter, fourth no longer than the third but a little
stouter, rounded basally; club joints, except the last which is longer
than the preceding, as wide as long, truncate at tips and rounded bas-
ally. Thorax ovoid, the collar anteriorly slightly microscopically sha-
ereened, mesonotal furrows most frequently entirely wanting, seldom
slightly indicated posteriorly, the base of the parapsides, just in front
of the scutellum, delicately punctate and sparsely pubescent. Scutel-
lum transversely highly, convex, polished. Meiapleura nearly bare,
delicately sculptured. Tegule black. Wings hyaline, iridescent, pu-
bescent. Legs black, the tibizv and tarsi piceous or brown-black.
Abdomen very slightly larger than the thorax, polished, the petiole
fluted at base, the second segment with two slight foveolwe at base
which are faintly aciculated.

The ¢ is usually the smaller, the abdomen being scarcely as long as
the thorax, and broadly rounded behind, while the differences in the
antenne readily distinguish it. The flagellum is covered with a rather
dense, short, white pubescence; the pedicel oval, not longer than the
second funiclar joint; first funiclar joint moniliform; second thickened
at tip, and longer than any of the club joints except the last; club joints,
except the last, not longer than thick, the last pointed, fusiform, twice
as long as the penultimate.

HapiratT.—Los Angeles, Cal.

Types in National Museum.

Bred by A. Koebele from a Cecidomyiid gall on the midrib of willow.

21899—No, 45 20

306 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Polygnotus diplosidis, sp. nov.

@. Length,1"". Polished, black; head as in P. salicicola, but the
vertex posteriorly is not so strongly aciculated. Mandibles yellow.
Antenne 10-jointed, brown-black; pedicel longer and stouter than the
two following joints together; first three funiclar joints about equal in
thickness, the first and second small, about equal in length, the third
very slightly longer; club 5-jomted, joint 1 not quite as thick as the
following, 2,3, and 4 about equal, a little longer than thick, cup-shaped,
the last cone-shaped, 14 times as long as the preceding. Thorax ovoid,
not much longer than wide, without a trace of the furrows, polished.
Scutellum transversely, highly convex, smooth, shining. Metapleura
sericeous. Tegule black. Wings hyaline, pubescent. Legs brown-
black, the base of tibizwe and tarsi paler. Abdomen as long as the thorax,
polished, the petiole striated, pubescent beneath, the second segment
with two striated foveoli at base.

Haprrat.—New Brunswick, N. J.

Type in National Museum.

The specimens were reared February 12, 1891, by Prof. John B. Smith,
from a Cecidomyiid, Diplosis sp. found on pine.

Polygnotus baccharicola Ashin.
(Plane 25 Oe)
Can. Ent. x1x, p. 182; Cress. Syn. Hym., p. 250.

é 2. Length,1 to 1.20". Black, shining; head broadly transverse,
the vertex posteriorly transversely aciculated; face smooth, with some
aciculations just above the insertion of the antenne. Mandibles
piceous. Antenne 10-jointed, black to brown-black, the scape sometimes
pale at base and apex, with the pedicel and first and second funiclar
joints sometimes pale; pedicel in é as long as the first and second
funiclar joints together; joint 1 of funicle very minute, second as thick
as long; third smaller; club 5-jointed, the first joint longer than wide;
the following joints to the last a little wider than long; in 2 the club
is 4-jointed, the joimts stouter than in the ¢. Thorax short, ovoid,
smooth, and shining, without a trace of the mesonotal furrows.

Scutellum transversely, highly convex. Metapleura sericeous. Teg-
ule piceous. Wings hyaline. Legs, including cox, rufo-piceous;
trochanters, base and tips of tibize, and the tarsi honey-yellow. Abdo-
men longer than the thorax, polished; the petiole striated, the second
segment with two striated foveole at base.

HABITAT.—Florida.

Types in Coll. National Museum and Coll. Ashmead.

Many specimens reared by myself at Jacksonville, Fla., from Cecido-
myia baccharicola Ashm, MS,

i
|
|

a
g
’
}

hee Pi i Erte oy 4.

f

*
A
:

’

q

Br be.

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 307

Polygnotus solidaginis Ashm.
Can. Ent. x1x, p. 131; Cress. Syn. Hym., p. 250.

é 2. Length, 1 to 1.60". Black, polished; head very wide, the
vertex posteriorly strongly transversely striated; face smooth, polished.
Mandibles rufous. Antenne 10-jointed, brown, the seape often black ;
pedicel in ¢ longer than the first two funiclar joints; joint 1 of funicle
very small, yellowish; second much larger than the third, and thicker;
club joints, except the first and last, hardly longer than thick, the first
wider than long, the last cone-shaped and one-half longer than the pre-
ceding; club in @ 4-jointed, the Jast funiclar joint obconic. Thorax
ovoid, smooth, usually without a trace of furrows posteriorly, and
sparsely pubescent, especially near the scutellum. Scutellum high,
convex. Metapleura sericeous. Tegule piceous or black. Wings
hyaline, pubescent. Legs, including cox, variable, from a pale rutous
to rufo-piceous, sometimes only the tarsi are pale; sometimes trochan-
ters, bases and tips of tibive, and the tarsi honey-yellow, and sometimes
the middle and posterior femora are black. Abdomen longer than the
thorax, the petiole striated; the striw from the basal foveolie on the
second segment extend to the middle of the segment.

HABIrat.—Florida and Missouri.

Types in Coll. Ashmead and National Museum.

Many specimens. First bred at Jacksonville, Fla., by myself from
Cecidomyia nebulosa Ashm. MS. Dr. Riley has also reared it at Bush-
berg, Mo., from a Cecidomyiid gall on Solidago, September 21, 1876,
while Miss Murtfeldt bred it from the same gall at Kirkwood, Mo.,
September 13, 1885, ,

Polygnotus pinicola, sp. nov.

6 2. Length, .S0 to 1™™. Black, shining; head wider than the
thorax, smooth, highly polished, the vertex posteriorly and the occiput
not aciculated. Antenne 10-jointed, brown; first three funiclar joints
small, shghtly increasing in length; club 5-jointed, the joints, except
the last, scarcely longer than wide; in ¢ the first funiclar joint is very
small, the second slightly curved, dilated, and truncate at apex; the
club 6-jointed; the joints, except the last, moniliform, slightly pedicel-
late; the last fusiform, much longer than the preceding. Thorax short,
ovoid, shining, without a trace of the mesonotal furrows. Seutellum
high, transversely, convex. Metapleura nearly bare. Tegulee piceous.
Wings hyaline. Legs, including coxee, dark rufous, the tarsiand some-
times the tip of anterior tibiw, honey-yellow or whitish. Abdomen not
longer than the thorax, smooth, the petiole and the second segment at
base striated.

HABiraT.—Washington, D, ©.

Types in National Museum.

Described from several specimens, reared May 14, 1879, from a Ceci-
domyiid, Cecidomyia pini-inopis 0, S., found on pine needles,

308 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Polygnotus striaticeps, sp. nov.

6 @. Length, 0.60 to 1.20". Black, shining; head transverse, a
little more than twice as wide as thick antero-posteriorly, and angularly
produced over the eye; vertex impressed at the middle with strong
transverse strie occupying the whole occiput and extending forward as
far as the front ocellus; face smooth. Mandibles black. Antenne 10-
jointed, black; pedicel about as long as the first and second funiclar
joints united; joint 1 of funicle very small, 2 and 3 equal, very slightly
longer than thick, 4 as long as thick at tip, narrowed toward base;
club 4-jointed, the joints, except the last, alittle longer than thick, the
last slightly longer than the preceding, cone-shaped; in ¢ the second
funiclar joint is curved, dilated and truncate at tip; the club 6-jointed,
slightly thickened towards the tip, the joints oval-moniliform, hairy,
slightly pedicellate, the last joint nearly twice as long as the preced-
ing. Thorax ovoid, highly polished, the mesonotal furrows distinct for
nearly half the length of the mesonotum posteriorly. Scutellum high,
transversely, convex. Metanotum with 2 carine on the disk; meta-
pleura bare, aciculated in the 2, sericeous in é. Tegule black. Wings
hyaline. Legs black, the anterior and middle tarsi white. Abdomen
in 2 as long as the head and thorax together, shorter in the ¢, the
petiole striated, the second segment striated at base, the strive extend-
ing along the sides to the middle of the segment.

HABITAT.—San Diego and Los Angeles County, Cal.

Types in National Museum.

Described from several specimens, reared in July, 1886, by A. Koebele,
from a Cecidomyiid gall on an evergreen shrub (bigelovia or Artemisia
sp.) taken at Newhall, Los Angeles County, Cal.; also one female,
labeled as having been reared irom Aspidiotus on Bigelovia, by the
same observer at San Diego, Cal. ;

It is scarcely necessary for me to state that this latter statement is
erroneous, as we know positively no Platygasterid is parasitic on
Coccids.

Polygnotus atriplicis, sp. nov.

62. Length, 1 to 1.40". Black, polished; vertex posteriorly
transversely aciculated, the face smooth. Mandibles piceous. Anten-
ne 10-jointed, black; pedicel as long as the first and second funiclar
joints together, a little pale at tip; first funiclar joint small, pale; second
and third cylindric, the third shorter than the second; club 5-jointed,
the first joint a little narrower than the following, contracted toward
the base, the other joints to the last longer than thick, cup-shaped, out-
wardly at tips subserrate, the last cone-shaped, longer than the pre-
ceding. Thorax ovoid, polished, the mesonotal furrows indicated pos-
teriorly for more than half the length of the mesonotum. Seutellum
transversely high, slightly pubescent posteriorly. Metapleura seri-

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 309

ceous. Tegulepiceous. Wings hyaline, iridescent, sparsely pubescent.
Legs black, the anterior tibie toward tips and all tarsi honey-yellow.
Abdomen not quite as long as the head and thorax together, the first
segment and the second at base striated.

In the male the abdomen is oblong-oval, broadly rounded behind, the
antennie black, with the pedicel more or less pale and shorter than the
second funiclar joint; first funiclar joint small, rounded; second much
dilated, truncate at tip, narrowed at base; club 6-jointed, bristly, the
joints, except the last, oval-moniliform, the last cone-shaped, nearly
twice as long as the penultimate joint.

HABITAT.—Los Angeles and San Bernardino County, Cal.

Types in. National Museum.

Described from several specimens, reared by A. Koebele, during
April and May, from a Cecidomyiid gall on Atriplex canescens, found
in California.

Polygnotus artemisie, sp. noy.

62. Length,1to1.40°". Black, polished; vertex posteriorly trans-
versely aciculated. Mandibles piceous. Antenne 10-jointed, the scape
black, the flagellum dark-brown; pedicel as long as the first and second
funiclar joints together; first funiclar joint very small; second thiek-
ened, longer than thick; third narrower and shorter than the second;
club 5-jointed, the first joint shorter than the following and not quite so
thick, rounded at base; the following joints to the last very slightly
wider than long, rounded at base, truncate at tip, the last cone-shaped,
longer than the preceding. In the male the pedicel is not longer than
the second funicle joint, which is slightly curved and dilated and trun-
vate at tip; club 6-jointed, hairy, the joints, except the last, moniliform,
slightly pedicellate, the last cone-shaped, almost twice as long as the
preceding. Thorax ovoid, shining, the mesonotal furrows distinct pos-
teriorly. Scutellum polished, tranversely highly convex. Metapleura
sericeous. Tegule black. Wings hyaline, pubescent. Legs black to
brown-black, the trochanters, tips of tibiee and tarsi honey-yellow.
Abdomen as long as the head and thorax together, polished, the petiole
striated, the second segment with 2 striated foveole at base.

HABITAT.—Laneaster, Los Angeles County, Cal.

Types in National Museum.

Described from several specimens, rearéd by A. Koebele, Decembar
6, 1887, from a Cecidomyiid gall found on Artemisia californica.

Polygnotus virginiensis, sp. nov.

2. Length,1.2™™, Polished black. Head about 3 times as wide as
long antero-posteriorly, the occiput transversely striated, the face
smooth, shining, impunectured; legs and antennie black, articulations of
legs and tarsi brown. Funiecle slender, the first joint small, the second
a little larger than the third; club joints about twice as long as thick

310 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

or nearly so. Thorax with distinct furrows posteriorly, the middle lobe
projecting slightly upon the base of the high, convex scutellum, foveated
on either side. Wings hyaline, pubescent. Abdomen conically pointed,
longer than the head and thorax together, the petiole striated, segments
3, 4, and 5 with a transverse row of punctures.

é. Length,0.8 to1l™™. Agrees with the ?, except the antenne are
quite different, the club being 5-jointed, dilated or thickened toward the
tip, the joints, except the last, being transverse, the funiclar joints 1 and
2 subequal; the abdomen broadly ovate, not longer than the head and
thorax together, its broadest part being wider than the thorax, the
petiole and the base of second segment beneath with a tuft of woolly
pubescence.

HABITAT.—District of Columbia and Arlington, Va.

Types in Coll. Ashmead.

Described from many specimens.

Polygnotus alnicola, sp. nov.

@. Length, 1.20™™, Black, shining; head 34 times as wide as long
antero-posteriorly, the vertex posteriorly transversely aciculated, the
face smooth, polished. Antenne 10-jointed, dark brown; pedicel lon ger
than the first and second funiclar joints together, pale brown; first
funiclar joint very minute; second a little longer than thick, third not
longer than thick; club 5-jointed, the first joint a little longer than wide,
slightly narrowed toward base, the second, third, and fourth quadrate,
the last ovate, longer than the preceding. Thorax ovoid, polished, the
mesonotal furrows indicated only posteriorly and very faintly. Secu-
tellum high, transversely, convex. Metapleura sericeous. Tegulie
black. Wings hyaline, with pale pubescence. Legs brown, the tro-
chanters, tips of tibize and tarsi pale. Abdomen a little longer than
the thorax, the petiole and the second segment at base striated.

HapiratT.—District of Columbia.

Types in National Museum.

Deseribed from 4 specimens, reared July 31, 1886, from a Cecidomyiid
gall in the flower bud of alder.

Polygnotus tumidus, sp. nov.

9. Length,1™™. Black, polished; head nearly 4 times as wide as
lone antero-posteriorly, the vertex transversely striated. Mandibles
brown. Antenne 10-jointed, brown-black; pedicel not quite as long as
the first and second funiclar joints united; first funielar joint small; sec-
ond and third nearly equal; club 5-jointed, very wide; the second, third,
and fourth joints wider than long and at tips toward one side a little
serrated, at base rounded, last joint more slender and longer than the
preceding. Thorax ovoid, highly polished, the mesonotal furrows
only faintly indicated posteriorly. Seutellum high, convex, polished,

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID. 311

Metapleura bare, faintly striated. Tegule rufous. Wings hyaline.
Legs brownish-piceous, the trochanters, tips of anterior tibia, and all
tarsi paler. Abdomen polished, not longer than the head and thorax
together, the petiole striated, the second segment, at base on either
side, with two striated foveole, the striaw extending to the middle of
the segment.

Hapsira't.— Washington, D. C.

Type in National Museum.

Bred February 25, 1881, from Cecidomyia symmetrica O. S., a gall
common on the leaves of various oaks.

Polygnotus laticeps, sp. nov.

69. Length, 1.2 to 1.9". Polished black, impunctured; head
very wide, fully 4 times as wide as long antero-posteriorly; the ocei-
put transversely aciculated, the face flat and highly polished, the lat-
eral ocelli about twice their width from the margin of the eye. An-
tenn and legs black or brown-black, trochanters, base of tibive, and
tarsi paler brown. Thorax rounded before, rather short, with distinet
parapsidal furrows posteriorly, the middle lobe projecting a little upon
the base of the scutellum, the scutellum highly convex, polished, deeply
foveated along the base; metathorax short, the pleura faintly striated or
pubescent. Abdomen broadly ovate, the apical, ventral, and dorsal
segments with transverse rows of punctures. Wings hyaline. The an-
tenn inthe ¢ terminate in a 5-jointed club, the joints, except the
last, being as broad or a little broader than long; in the ° the joints
are longer than wide.

HaBitat.—Jacksonville, Fla.

Types in Coll, Ashmead.

Polygnotus hiemalis Forbes.

Platygaster hiemalis Forbes, Psyche, Vol. 5, p. 39 (1888).

é 9. Length, 0.80 to 1.40", Black, polished; head about two
and a half times as wide as long antero-posteriorly, the vertex poster-
1orly only faintly aciculated, the face smooth, polished. Antenne 10-
jointed, brown-black, the flagellum twice as long as the scape; pedicel
as long as and much stouter than the first two funiclar joints; first
funielar joint small, not longer than thick, yellowish basally; second
larger and a little longer than the third; club 5-jointed, the joints,
except the last, a little longer than wide, the last cone-shaped, one-
half longer than the preceding. In the male the second funiclar joint
is thickened, curved, and as long as the pedicel, the latter whitish or
yellowish at tip; the first funiclar joint small, contracted at base; club
6-jointed, villose, the joints oblong, slightly pedicellate, the first, the
shortest, narrowed basally, the last ovate, not quite twice as long as
the penultimate. Thorax ovoid, polished, the mesonotal furrows del-

312 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

icate but distinct posteriorly, in the ¢ almost obliterated, the middle
lobe projecting slightly upon the scutellum. Scutellum very high,
transverse, convex. Metapleura subsericeous. Tegule rufo-piceous.
Wings hyaline, pubescent. Legs dark brown to piceous, trochanters,
tips of anterior femora and tibiwe, base of middle and posterior tibiz,
and all tarsi brownish-yellow or honey-yellow, sometimes the poster.
ior femora black. Abdomen in the 2 about as long as the head and
thorax together, in ¢ shorter; in both sexes, the petiole and the fove-
olie at base of the second segment striated.

HapBiratT.—Western States.

Types in the Illinois State Laboratory of Natural History and
National Museum.

This species seems to have been first reared by Dr. Riley, from spee-
imens of the Hessian fly (Cecidomyia destructor Say), August 16, 1876,
received from Blair, Nebr. It has, however, since been bred from the
same fly, by various persons in the Western States. Prof. Forbes
reared it in 1888 at Champaign, Il].; Prof. Cook, of Agricultural Col-
lege, Mich., in 1890; and Prof. Webster at Laporte, Ind., in 1889.

I know of no specimens reared in the Eastern States. Can the
species be moving Eastward?

Polygnotus proximus, sp. nov.

é 92. Length,0.80 to 1.20". Black, polished; head thrice as wide as
long antero-posteriorly, the vertex posteriorly transversely aciculated,
the face polished. Mandibles piceous. Antenne 10-jointed, brown-
black, mach slenderer than in P. iiemalis, the flagellum slightly more
than twice the length of the scape: pedicel long, cylindric, as long as
the first and second funiclar joints together; first funiclar joint longer
than thick, whitish at base; second much longer and thicker; third
shorter than the second and constricted at apex; club 5-jointed, slender,
the joints nearly twice as long as thick, the last fusiform, longer than
the preceding. In the male the pedicel is oval, not quite as long as the
first and second funiclar joints together; first funiclar joint small, monili-
form; second larger, dilated and truncate at tip; club 6-jointed, hairy,
the joints, except the last, moniliform, not longer than thick, slightly
pedicellate, the last cone-shaped, nearly twice as long as the preceding.
Thorax ovoid, polished, the mesonotal furrows indicated only poste-
riorly, the middle lobe projecting a little on the base of the seutellum,
the parapsides at base with a tuft of pubescence. Scutellum high,
transverse, convex, with a little pubescence on either side posteriorly.
Metapleura sericeous. Tegule black. Wings hyaline, iridescent, pubes-
cent. Legs brownish-piceous, the anterior knees, tips of anterior tibiae
and all tarsi, honey-yellow. Abdomen in 2 pointed at tip, slightly
longer than the head and the thorax together, in é oblong-oval, not
longer than the thorax, the petiole striated, the second segment with

Le CEI A ee Seto t gins! ae MPLA aS Ree eens

=

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 313

two deep elongated foveole at base, the space between them showing
some longitudinal strive, otherwise the whole surface is highly polished,
black.
HABITAT.—District of Columbia.
Types in National Museu.
Described from several specimens bred by Dr. Riley from the Cypress
Jecidomyiid (Cecidomyia c.-ananassa Riley); no date of rearing is given.

Polygnotus viticola, sp. nov.

6 2. Length, 1.20 to 1.40". Black, pélished; head a little more
than thrice as wide as long antero-posteriorly, the vertex posteriorly
transversely aciculated, the face smooth. Mandibles rufous. Antenne
10-jointed, brown or brown-black, the flagellum not quite twice as long
as the scape; pedicel hardly as long as the first and second funiclar joints
together and not as thick at tip as the second funiclar joint; first funi-
¢lar joint minute, the second and third about of an equal length, but the
second the thicker; club 5-jointed, the joints briefly pedicellate, the
first four joints as wide as long, cup-shaped, the last cone-shaped,
longer than the penultimate.

Inthe 2 the flagellum is covered with short, white, stiff hairs; the
second funielar joint is larger and stouter than the pedicel; the elub
6-jointed, the joints, except the last, oval-moniliform, pedicellated, the
last cone-shaped, one and one-half times as long as the penultimate
Thorax ovoid, polished, the mesonotal furrows very faintly indicated
posteriorly, more distinet in the female, the basal point of the middle
lobe projecting slightly upon the seutellum, the lateral lobes at base
slightly pubescent. Scutellum transverse, high, convex, very sparsely
pubescent. Metapleura sericeous. Tegule rufo-piceous. Wings hya-
line, pubescent. Legs, including coxze, rufo-piceous or brownish, the
tarsi paler, or yellowish. Abdomen ovate, scarcely longer than the
head and thorax together, pointed at tip, the petiole striated, the sec-
ond segment with two long, striated foveolie at base, one on either side,
the third and fourth, with a transverse row of faint punctures, the fifth
and following segments closely punctate; the third, fourth, and fifth
ventral segments also show rows of punctures. Inthe ¢ the abdomen
is shorter, oblong-oval, the third, fourth, fifth, and sixth segments with
a Single row of punctures at base, while the corresponding ventral seg-
ments show rows of very faint punctures.

HABtIvatT.—Washington, D.C.

Types in National Museum.

Described from several specimens, reared March 31, 1882, from a Ceei
domyiid gall on the petiole of a grapevine, collected on the grounds of
the Department of Agriculture.

314 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.
Polygnotus utahensis, sp. nov.

62. Length,1™". Black, polished; head thrice as wide as thick
antero-posteriorly, the vertex in 2 angularly produced over the eye, but
not in the 2, posteriorly not aciculated, or only faintly aciculated in ?,
perfectly smooth in é, the face smooth. Antenne 10-jointed, black or
brown-black; pedicel a little longer than the second funiclar joint; first
funiclar joint very small, rounded; second and third about equal; club
5-jointed, the joints, except the last, longer than thick. In the ¢ the
second funiclar joint is distinctly longer than the pedicel; club 6-jointed,
the joints about twice as long as thick, pedicellate.

Thorax ovoid, polished, with the mesonotal grooves slightly indicated
nosteriorily and with some pubescence just in front of the scutellum.
Seutellum in ¢ subeonvex, pubescent with a slight median carina;
in ? high, transversely, convex, polished. Metapleura in 2 bare, finely
sculptured; in é sericeous. Tegulie rufo-piceous. Wings hyaline,
pubescent. Legs black or brown-black, tarsi piceous, in ¢ the knees,
tips of anterior tibive, and all tarsi, honey yellow. Abdomen not longer
than the thorax, polished, the petiole and foveolz at base of second
segment, Striated.

HABITAT.—Pariah, Utah.

Types in National Museun.

Described from two specimens, 1 ¢, 12, received from A. L. Siler,
and bred during July, 1881, from a Ceeidomytid gall on Artemisia 3-
dentata.

Polygnotus cynipicola, sp. nov.

62. Length, 0.60 to 0.80", Black, polished; head 34 times as
wide as thick antero-posteriorly, the vertex posteriorly very faintly
aciculated, the face smooth, polished. Antenne 10-jointed, brown-
black; pedicel as long as the second funiclar joint, piceous; first funiclar
joint very minute, yellowish, third, longer than the second; club
5-jointed, broad, the joints, except the last, slightly wider than long;
in 6 the club joints are longer than wide, covered with white bristles,
the last pointed, fusiform. Thorax ovoid, polished, the mesonotal fur-
rows faintly indicated posteriorly, the basal tips of the middle lobe
slightly elevated. Seutellum high, transversely convex, sparsely
pubescent posteriorly. Metapleura bare, aciculated, in ¢ slightly seri-
ceous. Tegule black. Wings hyaline, pubescent. Legs black or
brown-black, the tip of anterior tibiee and all tarsi, honey-yellow.
Abdomen not longer than the thorax, polished, the petiole and the
foveole at base of second segment striated, the third and following
segments with transverse rows of punctures.

HABITAT.—Arlington, Va.

Types in National Museum.

Described from several specimens, bred July 3, 1883, from a Cynipid
gall, Newroterus batatus Fitch,

a
vs

rom

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID®. 315

Polygnotus eurotie, sp. noy.

9. Length, 1 to 1.20". Black, polished; head thrice as wide as
thick antero-posteriorly, the vertex perfectly smooth. Antenne 10-
jointed, black; pedicel slightly longer and thicker than the first and
second funiclar joints together, the three funiclar joints cylindrical, of
a uniform thickness, the first, the shortest, the second, the longest, but
only a little longer than the third; club 5-jointed, slender, the joints
all distinetly longer than thick, about 15 times as long as thick, the
last long, conical. Thorax ovoid, polished, the mesonotal grooves dis-
tinet posteriorly for half the length of the mesonotum, the base of the
lateral lobes with some short strive. Seutellum high, transversely, con-
vex, slightly pubescent posteriorly. Metapieura sericeous. Tegulie
rufo-piceous. Wings hyaline, pubescent. Legs brown-black, anterior
knees, tips of tibix and all tarsi honey-yellow. Abdomen as long as
the thorax, polished, the petiole and foveolie at base of the second seg-
ment Striated.

HABITAT.—San Bernadino County, Cal.

Types in National Museun.

Described from two specimens bred April 17, 1887, by A. Koebele,
from a Cecidomyiid gall on Hurotia canata.

Polygnotus rubi, sp. nov.

?. Length, 1°". Black, polished; head thrice as wide as_ thick
antero-posteriorly, the vertex not aciculated. Antenne 10-jointed,
brown, the scape and pedicel yellowish; pedicel as long as the first and
second funiclar joints together; first funiclar joint very minute; second
and third about equal; club 5-jointed, slender, the joints, except the
last, not longer than thick, enp-shaped. Thorax ovoid, polished, the
mesonotal furrows only slightly indicated posteriorly, the basal tip of
the middle lobe slightly elevated, the parapsides at base with a small
tuft of pubescence. Seutellum high, transversely convex, posteriorly
pubescent. Metapleura sericeous. Tegule rufo-piceous. Wings lhya-
line, pubescent. Legs black, or brown-black, the tips of anterior femora,
their tibiz, and all tarsi, honey-yellow. Abdomen polished, about as
long as the head and thorax together, pointed at tip, the petiole and
the foveole at base of second segment striated.

HABITAT.—Arlington, Va.

Types in National Museum.

>

Described from two specimens, bred March 30, 1886, from Cecidomyia
Ffarinosa O. 8. found on blackberry.

Prof. John B. Smith has also reared the same insect from a gall on
blackberry at New Brunswick, N. J.

Polygnotus asynapte, sp. noy.

6 2. Length, 0.80 to 1.20". Black, polished; head in 2° about 34
times as wide as thick antero-posteriorly, but in the ¢ scarcely thrice

016 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

as wide as thick, the vertex posteriorly not or very faintly aciculated.
Antenne 10-jointed, black, the flagellum slender, twice as long as the
seape; pedicel about as long and thick as the second club joint; first
funiclar joint very minute, second and third, longer, equal; club 5-jointed,
the first joint a little shorter and narrower than the second; second, third
and fourth equal in length, very slightly Jonger than thick, the last cone-
shaped, longerthan the preceding. Inthe ¢ thepedicelis not longer than
the second funiclar joint; the first funiclar jointis annular, fully as wide
as the pedicel, the second funiclar joint is a little shorter than the first
club joint; club 6-jointed, cylindrical, the last joint enlarged, fusiform,
all the other joints pedicellated, about equal in length, cylindric, about
twice as long as thick. Thorax ovoid, highly polished, the mesonotal
furrows distinet posteriorly for half the length of the mesonotum, the
parapsides at base with slight tufts of glittermg white hairs. Scutel-
lum high, convex, sparsely pubescent posteriorly. Metapleura bare,
not perfectly smooth. Metanotum very short, with a deep central.
groove. Tegule black. Wings hyaline, covered with a short pubes-
cence.

Legs black or piceous-black, the tip of anterior tibiz and the anterior
and middle tarsi brownish. Abdomen polished, pointed in the @ and
searcely longer than the head and thorax united; in the 4 oblong-oval;
in both sexes the petiole is bare, fluted, the second segment with two
long, striated foveole at base.

HaAsBrrat.—Maywood, Il.

Types in National Museum.

Described from several specimens, reared January 22 and February
1 and 3, 1890, by Prof. O. S. Westcott, from a willow Cecidomyiid (Asy-
napta, Sp.).

Polygnotus huachuce, sp. nov.

62. Length, 0.80 to 1.40", Black, polished; head about thrice as
wide as thick antero-posteriorly, the vertex posteriorly showing faint
traces of aciculations. Mandibles piceous. Antenne 10-jointed, black,
the flagellum one and a half times as long as the scape; pedicel
a little longer than the first and second funiclar joints together; first
funiclar joint very minute, pale; second and third longer, the second
the larger; club 5-jointed, the first joint smaller than the three follow-
ing, which are a little wider than long, rounded at base, truncate at
tip, the last cone-shaped, a little longer than the preceding. In the é
the flagellun is not quite twice as long as the scape, the pedicel equal
in length with the second funiclar joint, first funiclar joint annular,
second not quite as long as thick, obliquely truneate at tip, club
6-jointed, covered with a short, grayish pubescence, the joints sub-
moniiform, the last cone-shaped, not quite twice as long as the pre-
ceding. Thorax ovoid, polished, the mesonotal furrows indicated only
posteriorly, the lateral lobes posteriorly bare, without tufts of hairs,

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 317

Scutellum smooth, convex. Metapleura subsericeous, aciculated. Teg-
ule black. Wings hyaline, strongly iridescent, sparsely pubescent.
Legs piceous-black, the anterior tibic: and all tarsi whitish or honey
yellow. Abdomen as usual in the sexes, in the 2 pointed and as long
as the head and thorax together, the petiole and the foveole at base
of the second segment striated.

HABiratT.—Fort Huachuca, Ariz.

Types in National Museum.

Described from several specimens, reared June 5, 1882, from a Ceci-
domyiid stem gall on sunflower, and from a Cecidomyiid pod-like gall
on an unknown plant, sent to the Department by H. K. Morrison.

Polygnotus actinomeridis, sp. nov.

62. Length, 0.60 to 1.20". Black, polished; head 24 times as
wide as thick antero-posteriorly, the vertex posteriorly very faintly
aciculated, the face smooth, with transverse aciculations above the in-
sertion of the antennie. Mandibles piceous. Antenne 10-jointed, dark-
brown, the scape paler toward base; pedicel as long as the second and
third funiclar joints together; first funiclar joint very small; second
stouter and longer than the third; third a little longer than the first;
club 5-jointed, the joints longer than thick. Inthe ¢ , the second funiclar
jointis dilated and truncate at tip, the club 6-jointed, the joints oval-
moniliform, the first the smallest, the last enlarged, fusiform, stouter,
and twice as long as the preceding. Thorax ovoid, polished, the mesono-
tal furrows distinct posteriorly; no tufts of pubescence at base of par-
apsides. Secutellum high, convex, polished, with a slight silky pu-
bescence. Metapleura subsericeous, aciculated. Tegule rufo-piceous.
Wings hyaline, pubescent. Legs dark-rufous, the anterior tibie,
and all tarsi honey-yellow. Abdomen about as long as the head and
thorax together, polished, the petiole and the foveole at base of second
segment striated, the ventral segments 3, 4, 5, and 6 with a transverse
row of fine punctures.

HapsrratT.—Washington, D.C.

Type in National Museum.

Described from 4 specimens reared April 23, 1854, from a Cecidomyiid
gall on Actinomeris squarrosa.

Polygnotus vernonie, sp. nov.

62. Length 0.60 to 0.80°". Black, polished; head nearly thrice as
wide as thick antero-posteriorly; the vertex not aciculated, the face
smooth. Mandibles brown. Antenne 10-jointed, brown or dark brown;
pedicel longer than the first and second funiclar joints together; first
funiclar joint very minute, pale, second and third about as long as thick,
equal; club 5-jointed, the joints very slightly longer than thick, the
middle joints wider than the basal and apical joints. In the é the

318 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

second funiclar joint is dilated, the club 6-jointed, the last enlarged, ob-
long, the other joints moniliform. Thorax ovoid, polished, the mesono-
tal furrows only slightly indicated posteriorly, the basal tip of the
middle lobe slightly elevated, upon the base of the scutellum; the
parapsides with a slight tuft of pubescence at base. Seutellum high,
transverse, convex. Metapleura covered with a white, glittering pu-
beseence. Legs brownish-piceous; front legs, tips of mid.e and pos-
terior tibiw, and all tarsi honey-yellow. Abdomen pointed in @, a lit-
tle longer than the head and thorax together; shorter and oblong-oval
in é@, the petiole and foveole at base of second segment striated; the
third and following segments, in the é ,with a row of punctures at base.

HAbirat.—Arlington, Va.

Types in National Musein.

Described from several specimens, reared June 16 and 17, 1886, from
a Trypetid gall on Vernonia noveboracensis.

Polygnotus floridanus, s). nov.

é. Length, 14". Black; antennie, except the club, and the legs,
except the posterior pair, yellow; club black; posterior cox, femora,
and tibe dusky; wings hyaline, almost devoid of pubescence, the teg-
ule black.

The head is wide between the eyes and highly polished; mandibles
piceous; palpi pale. Antenne 10-jointed, the pedicel long, as long as
the 3 funiclar joints united, the third funiclar joint the widest, club joints
black, moniliform, the last fusiform, twice as long as the preceding.

Mesonotal furrows indicated posteriorly; scutellum cushion-shaped,
the metapleura covered with a white pubescence.

Abdomen pear-shaped, not as long as the thorax, smooth, polished,
except the petiole, which is wider than long, striated, and some striz at
base of second segment.

Habirar.—Jacksonville, Fla. .

Type in Coll. Ashmead.

Distinguished by the color of the legs and the peculiarity of its an-
tenn, the pedicel being unusually long for a species in this genus.

Se PS REE TS TN eT CRIN SS | AGRO 8

Polygnotus euure, s). noy.

é. Length, 1.60". Black, polished; head two and a half times as
wide as thick antero-posteriorly, the vertex posteriorly not or very
faintly aciculated. Mandibles rufous. Antenne 10-jointed, brown-
black; pedicel one and a half times as long as thick; first funiclar joint __
small, rounded; second longer than thick, slightly curved; club 6-
jointed, the joints, except the last, oval-moniliform, slightly pedicel-
late, the last cone-shaped, a little stouter and about twice as long as
the preceding. Thorax ovoid, polished, the mesonotal furrows indica-
ted posteriorly. Scutellum transverse. convex, sparsely covered with

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 319

a fine silky pubescence. Metapleura sericeous. Tegule rufous. Wings
hyaline, pubescent. Legs, including coxw, dark rufous. Abdomen
oblong-oval, about as long as the thorax, the petiole and the foveole
at base of second segment striated.

HaBITaAT.—St. Louis, Mo.

Types in National Museum,

Described from 2 ¢ specimens, bred February 24, 1872, by Dr. C. V.
Riley, from the Teuthredinid gall Huwra s.-nodus Walsh.

The species is unquestionably parasitic on the inquilinous Cecido-
myious flies known to inhabit this gall, and not on the Tenthredinid.

Polygnotus angulatus, sp. nov.

6. Length,1.2™. Black, shining; head wide, shagreened, the ver-
tex angularly produced over the eyes, transversely aciculated; lateral
ocelli far away from the eye. Antenne 10-jointed, black, the pedicel
as long as the first and second funiclar joints united, first funiclar joint
minute, the second dilated toward apex, the apex truncate; club
6-jointed, the first joint slightly the smallest, the others, except the last,
only a little longer than thick.

Mesonotum with two distinct furrows; scutellum transversely ele-
vated, convex; metathorax very short, the pleura pubescent. Wings
hyaline, the tegule black. Legs black, trochanters, anterior tibize to-
ward apex, and all tarsi pale brown, the tarsi not longer than their tibize,
the basal joint as long as the three following joints united. Abdomen
oblong-oval, not longer than the thorax, or very slightly longer, smooth,
polished, the petiole transverse, striated, the second segment with striate
toveolie at base.

Hapsirat.—Jacksonville, Fla.

Types in Coll. Ashmead.

Polygnotus striaticollis, sp. nov.

6. Length,1.4e™. Black,shining; the head transverse, shagreened ;
the lateral ocelli away from the eye margin; thorax with two distinct
furrows; legs rufo-piceous, articulations, base of tibive and tarsi yellow-
ish or pale brown; wings hyaline, tegule blackish. The antenne are
10-jointed, brown; the pedicel much longer than the first and second
funiclar joints, which are small, the second being wider at apex than
long; club 6-jointed, pilose, the joints loosely joined and all, except the
last, transverse-moniliform. Pronotum at sides (listintly striated, the
mesopleura polished with a femoral impression, the scutellum highly
convex, the metathorax sparsely pubescent, the pleura bounded by a
carina above. Abdomen ovate, as long as the tuorax, the petiole and
the second segment at base striated,

HABrrat.—Jacksonville, Fla,

Type in Coll, Ashmead,

320 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.
Polygnotus leevicollis, sp. nov.

é. Length,iv’. Black, shining; the head transverse with the lat-
eral ocelli twice their width from the eye margin; antenne brown, the
scape toward apex and the pedicel at tip yellowish; legs rufous; wings
hyaline; mesonotal furrows distinct. The antenme are 10-jointed, the
scape clavate, as long as the flagelluin; pedicel obconic, as long as the
first and second joints united, the latter closely jomed, swollen or
dilated; club 6-jointed, all the joints, except the last, transverse, the
last conical, a little more than twice the length of the penultimate.
Pronotiun perfectly smooth, highly polished, the metapleura with a
fine silvery pubescence. Abdomen oblong oval, polished, the petiole
short, striated.

HaBirar.—District of Columbia.

Type in Coll. Ashmead.

Taken by Mr. E. A. Schwarz.

Polygnotus astericola, sp. nov.

62. Length, 0.80 tol. Black, polished; head thrice as wide as
thick antero-posteriorly, the vertex not or very faintly aciculated, the
face smooth, polished. Mandibles rufo-piceous. Antenne 10-jointed,
dark brown; pedicel twice as long as thick, first funiclar joint minute,
pale, a little longer than thick; second larger, very little longer than
the third; club 5-jointed, rather slender, the joints about as wide as
long. In the é the second funicle joint is as long as the pedicel, a little
curved, dilated and truncate at tip, the club 6-jointed, the joints oval-
moniliform, slightly pedicellate, the last cone-shaped, a little stouter
and twice as long as the preceding. Thorax ovoid, polished, the
mesonotal furrows indicated posteriorly, the basal tip of the middle
lobe very slightly elevated, the parapsides with a tuft of pubescence
at base. Metapleura sericeous. Tegule black. Wings hyaline, pu-
bescent. Legs, including coxie, rufo-piceous, the trochanters, knees,
tips of tibia, (the anterior tibix almost entirely) and all tarsi, honey-
yellow. Abdomen not longer than the head and thorax together, ob-
long-oval, broader than, and not so pointed as in P. vernonia, the basal
segment and the foveole on the second striated; the é abdomen shorter
and without row of punctures on the ventral segments.

HApiratr.—Holderness, N. H.

Types in National Museum.

Described from several specimens, reared May 24, 1884, from a Ceci-
domyiid gall on Aster, collected by A. Koebele.

Polygnotus coloradensis, s). noy.

6°. Length, 1". Black, polished; head thrice as wide as thick
antero-posteriorly, the vertex very faintly, microscopically shagreened,
the face smooth, highly polished, the lateral ocelli as far from the mar-
gin of the eye as to the front ocellus, Mandibles piceous-black. An

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDAE. 321

tenn 10-jointed, black, the pedicel stouter than any of the club joints
and about 24 times as long as thick; first and second funiclar joints
small, the second slightly the longer; the third and first joints of club
about equal, longer than the second, the club very gradually thickened
toward the tip, the joints, except the last, 14 times as long as thick,
the last joint stouter and longer than the penultimate, ovate. Inthe
é the pedicel is as long as the first and second funiclar joints together,
pale at tip, the first funiclar joint very minute, the club 6-jointed, cylin-
drical, the joints nearly of an equal length, about twice as long as
thick, the last conic, one-half longer than the preceding. Therax ovoid,
polished, the mesonotal furrows complete, distinct; the middle lobe
posteriorly extending slightly upon the base of the scutellum; no
tufts at the base of the lateral lobes. Scutellum transversely, convex,
shining, very slightly pubescent. Metapleura covered with a whitish
pubescence. Legs black or brown-black, the tarsi paler; sometimes the
tip of anterior tibiz, knees, and all tarsi, honey-yellow. Abdomen as long
as the head and thorax together, in the ? pointed at tip, in the ¢
rounded, the petiole and the rather deep foveole at base of the second
segment striated.

HABirat.—Ffort Garland, Colo.

Types in National Museum.

Described from several specimens reared June 25, 1883, from a Ceci-
domyiid gall on sage bush, collected by L. Bruner.

Polygnotus filicornis. sp. noy.

62%. Length,1to 1.5". Polished, black, impunctured; head trans-
verse, about 3 times as wide as long antero-posteriorly, the occiput faintly
alutaceously sculptured, the lateral ocelli a little more than their width
from the margin of theeye. Antenne 10-jointed, very long and slender,
subclavate, reaching beyond the middle of the abdomen; pedicel slender,
nearly as long as the first and second funiclar joints together; funiclar
joints slender, and merging so gradually into the club joints that the
club can scarcely be separated, the last four joints about 24 times as
long as thick. Thorax polished, with two distinct furrows, mesopleura
deeply impressed at the middle; scutellum highly convex; metathorax
sparsely pubescent. Wings hyaline. Legs black, tips of anterior tibice
and the tarsi pale brownish or fuscous. Abdomen pointed-ovate, smooth,
shining, striated at base, about: as long or a little longer than the head
and thorax together.

HABITAT.—District of Columbia.

Types in Coll. Ashmead,

Polygnotus californicus, sp. nov.

62. Length, 1.2 to1.5"™. Very close to P. coloradensis, but with
the following differences: The vertex posteriorly shows faint traces of
aciculations; in ? the first three fuiclar joints are very nearly of an equal

21899—No. 45 21

822 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

length, the third, slightly the thickest; in the ¢ the second funiclar joint
is stout and slightly curved, the club joints being not more than 13 times
as long as thick; the three middle joints outwardly subserrate, the last
conically pointed, much longer than the preceding; the legs are black,
the tip of anterior tibiw and tarsi fuscous, while the wings are slightly
smoky.

HABITAT.—San Francisco and Alameda, Cal.

Types in National Museum.

Described from many specimens, reared by A. Koebele, January 10
and 23, 1883, and July 16 and December 17 and 19, 1885, from a Cecido-
myiid gall found on Baccharis pilularis,

PLATYGASTER Latreille.
Gen. Crus. et Ins., Iv, p. 31 (1809); Forster Hym. Stud., 11, p. 108 (1856).
(Type P. ruficornis Latr.)

Head transverse, rarely subquadrate, the vertex somewhat narrowed,
convex, the lateral ocelli usually far away from the eye margin but
still nearer to it than to the front ocellus.

Antenne 10-jointed, the scape subclavate, the flagellum ending in a
6-jointed, filiform club, the second joint in the male a little swollen and
curved.

Thorax ovate, usually more elongated than in Polygnotus, the collar
usually distinct, the mesonotal furrows distinet, the scutellum convex,
unarmed, the metathorax short, carinated.

Wings veinless, pubescent.

Abdomen oblong-oval or ovate, the petiole usually distinct, at least
as long as wide, or a little longer, striated, the second segment very
long, striate at base.

Legs long, clavate; the tibis slender, the tarsi very long, the hind
tarsi being much longer than their tibize.

The genera Platygaster and Isocybus are exceedingly closely allied,
but the head in Isocybus is more quadrate and the Jateral ocelli are
nearer to the front ocellus than to the margin of the eye.

Tam not fully satisfied that they should be kept separate, although,
so far, the position of the lateral ocelli seems sufficient to separate them.

The head in Platygaster Herrickii Packard and the position of the
ocelli is, however, very similar to Isocybus.

TABLE OF SPECIES.

FEMALES.
Coxw black.
Legs yellow or golden yellow, antennze yellow, the club fuscous.

Vertex rugose, with raised lines in the middle; face closely punctulate, with

some transverse lines on lower part.
Pedicel very long; first funiclar joint a little longer than wide, the second very
long, twice as long as the first; club 6-jointed, the joints, except the
Jast, transverse 55. .y.2. Ji vedvngges sey anae casa ee to een eee

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDAE. 323

Legs piceous or rufo-piceous, anterior tibie and base of middle and posterior tibia *
pale or honey-yellow.
Head including face, finely, closely punctate.

Pedicel about as long as the first two funiclar joints together, the first funiclar
joint subtriangular, small, the second much thicker and about as
long as the longest club joint...-.....--.------- P. HERRICKI Pack.

Head finely, closely punctate, the face with a large polished space in the middle,
transversely striated on lower part.

Pedicel not as long as the first two funiclar joints together, the first funiclar
joint a little longer than thick, narrowed, the second thicker and
slightly shorter than any of the following. .P. OBSCURIPENNIS Ashm.

MALES,
Coxe black.
Legs yellow.
Head finely rugoso-punctate.

Face minutely punctate, with no grooved line; antennswe brownish-yellow,
the second funiclar joint as long as the long pedicel; club joints not
longerabhanvthielessceyss sac 724 Sc. vase, «aaa ee P. cary Ashm.

Face highly polished, with a central grooved line; antenne brownish-yellow,
the pedicel as long as the first and second funiclar joints together,
the first very small, second a little thickened and curved; club joints
oval-moniliform, the last fusiform, nearly twice as long as the pre-
COMIN GEL se yee sae See acee s ele twee P. FLORIDENSIS Ashm.

Legs piceous or rufo-piceous; antenne black or brown-black.
Head closely punctured or shagreened.

Face punctate, no transverse strix above antenne; club joints twice as long
aspohiek- wsubpedicelllatozsessee=sse + ae seca: P. HERRICKI Pack.

Face highly polished, with transverse striw above antennae.

Second funiclar joint not swollen; club joints broader than long; wings

Guiskayaeeey eee eee eae ae ae ose ee) OBSCURIEENNIS/Ashim:.

Second funiclar swollen; wings hyaline.
Club joints about twice as long as thick....--..----- P. APHIDIS, sp. nov.
Clubiyjoints) thrice as longjas thick]... --2--.----------- P. Graciuis Ashm.

Face transversely aciculated.
Mesonotum and all pleura longitudinally striated..P. ACICULATUS, sp. nov.

Platygaster carye, sp. nov.

62. Length, 1.50 to 2™", Black, shining; vertex finely rugose,
the face finely, closely punctate, with some transverse aciculations just
above the insertion of the antenne. Mandibles pale brown. Antenne
10-jointed, yellow; pedicel long, as long as the second funiclar joint,
first elongated, a little shorter than the second; club 6-jointed, fuscous,
the joints, except the last, wider than long, truncate at tip, rounded
at base. Thorax finely punctulate, with two distinct furrows, the mid-
dle lobe posteriorly with a slight central line. Scutellum transverse,
convex. Metapleura and hind coxie beneath sericeous. Tegule pice-
ous. Wings hyaline. Legs bright yellow or brownish-yellow, the
cox black, the posterior femora and sometimes the tibize dusky. Ab-
domen oblong-oval, not longer than the thorax, the first segment and
the second, at base, striated, sparsely pubescent.

O24 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

In the ¢ the antenn are always pale, the club very slightly darker;
the second funiclar joint elongated, somewhat thickened and truncate
at tip, the first only a little longer than thick; the club-joints close, not
loosely joined, a litile longer than thick,

Haxsirat.—sacksonville, Fla.; District of Columbia, and St. Louis,
Mo.

Types in Coll. Ashmead and National Museum.

The species is a common parasite of Cecidomyiid galls on hickory
trees. ;

Platygaster floridensis Ashm.
(Pl Sa Bar e3."O)
Can. Ent., x1x, p. 132, 9.; Cr. Syn. Hym., p. 250.

62. Length, 1to1.5"", Polished, black; head transverse, as wide
as the thorax, the vertex posteriorly aciculated, the face smooth, highly
polished; mandibles yellowish. Antenne 10-jointed; in ¢ pale brown-
ish-yellow, the pedicel as long as the second funiclar joint, the first very
small, closely joined to the second, the second swollen, slightly curved,
truncate at tip, club 6-jointed, the joints, except the last, submoniliform,
the last cone-shaped, twice as long as the preceding. Thorax ovoid,
smooth, the parapsidal furrows only slightly indicated; scutellum con-
vex, Slightly pubescent; metapleura sericeous; tegulie piceous. Wings
hyaline, pubescent. Legs pale brownish-yellow, the hind coxe piceous
or fuscous. Abdomen oval, not longer than the thorax, the petiole
roughened, pubescent. Inthe 2 the abdomen is a little longer, more
pointed; the antenne, except the club, yellow, club dark brown, 6-
jointed, moniliform, the last joint fusiform; the pedicel is about as long
as the first funiclar joint, but thicker; funiclar joints cylindrical, the
first more than twice as long as thick, the second very much length-
ened; legs yellowish, the hind cox and femora and tibiz toward tips
fuscous or blackish.

Hasirat.—Jacksonville, Fla.

Types in Coll, Ashmead.

Platygaster Herrickii Pack.
Third Rep. U. 8. Ent. Comm., p. 220; Riley, Proc. U. S. Nat. Mus., vu, p. 420,
Pl. xx1u., Fig. 6, ¢; Ashm., Can. Ent., xix, p. 132; Cress. Syn. Hym., p. 250.

Aneurhynchus aneurus Proy, Add. p. 176, g.

6 2. Length 1.50 to 1.80". Black, shining, finely punctate, or
microscopically shagreened; head transverse, punctate, the face more
finely punctate; mandibles rufous. Antenne 10-jointed, black; pedicel
as long as the first two funiclar joints together; the first funiclar joint
subtriangular, small, the second thicker and as long as the longest
club joint; club 6-jointed, the joints, except the last, very nearly equal
in length, the first slightly the narrowest, less than twice as long as
thick, and truncate at tip, the last cone-shaped, narrower and slightly

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 325

longer than the preceding. In ¢ the antenne are slightly longer,
cylindrical, with a short whitish pubescence; the pedicel is longer than
the second funiclar joint; the first very minute, closely joined to the |
second; the second swollen, nearly as broad as long; the club 6-jointed,
the first joint the shortest, the last the longest, cone-shaped, the inter-
mediate joints twice as long as thick, subpedicellate. Thorax ovate, a
little more than twice as long as broad; parapsidal furrows deep, dis-
tinct; scutellum rounded, convex; the metathorax short, emarginate
behind. Wings hyaline, veinless, although sometimes the base of the
submarginal vein is quite distinctly visible as a yellowish streak. Legs
piceous-black or rufo-piceous; sometimes the base of the tibiz and the
base of the tarsi yellowish; tarsi most frequently fuscous.
HABITAT.— Western and Northern States.

Types in National Museum. A common parasite of the Hessian fly
(Cecidomyia destructor Say).

From Mr. W. H. Harrington, I received a ¢ specimen of this species
labeled ‘‘Aneurhynchus aneurus Prov. Type”.

Platygaster obscuripennis, sp. nov.

6 2. Length 1.40 to1.80™. Very closely allied to P. Herrickii, but

_a little more slender, the face with a large polished space in the middle.

Mandibles pale. Antenne slender, the flagellum dark brown; pedicel
not quite as long as the first two funiclar joints together, but longer than
the second joint alone, the tip yellowish; the first funiclar joint small, but
longer than thick; second twice as long as thick; club 6-jointed, the
first narrower than the others, the joints beyond to the last about equal,
longer than thick, the last conic, longer than the preceding. Sides of
the parapsides smooth with a distinct grooved line parallel with the
pronotal suture. Wings dusky, or subhyaline. Abdomen not longer
than the thorax, the foveole at base of second segment and the first
segment both above and beneath covered with a silky pubescence. The
$ differs decidedly from P. Herrickii in having the first five joints of
the club wider than long, the last cone-shaped, about twice as long as
the preceding, while the second funiclar joint is but slightly swollen and
slightly curved.

HABITAT.—Ottawa, Canada.

Types in Coll. Ashmead.

Described from specimens received from Mr. W. H. Harrington.

Platygaster aphidis sp. noy.

é. Length, 1.6". Black, shining; the head posteriorly almost
smooth, not distinctly punctate; face polished. Antenne 10-jointed,
black; pedicel as long as the first and second funiclar joints together,
the first small, subtriangular, closely united to the second, the second
somewhat swollen and slightly twisted; club 6-jointed, the joints about

326 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

twice as long as thick, subpedicellate. Thorax long-ovoid, smooth,
shining, the furrows distinet; seutellum smooth, shining, convexly
high; metapleura bare; tegulie black. Wings hyaline, nearly bare or
but slightly pubescent. Legs brown-black, the tarsi paler, all the
coxe distinctly black. Abdomen oblong-oval, nearly twice as wide as
the thorax, the petiole rugose, subpubescent.

HABITAT.—Richfield Springs, N. Y.

Type in National Museum.

Described from 1 ¢ specimen, reared February 9, 1887, from an
Aphis on Chenopodium album. The broad abdomen and the length of
the club joints readily distinguish the species. The Aphis from which
this species was bred was undoubtedly infested with Cecidomyious
parasites, upon which the Platygasterid is a secondary parasite.

Platygaster gracilis Ashm.

Can. Ent., x1x, p. 182; Cress. Syn. Hym., p. 250.

é. Length, 1.5°". Black, shining; the head posteriorly micro-
scopically punctulate; face smooth, highly polished, with a slight cen-
tral impressed line from the middle ocellus. Antennz 10-jointed, black;
pedicel long, yellowish at extreme tip; first funiclar joint small, second
somewhat swollen, slightly curved and shorter than the first club
joint; club 6-jointed, cylindrical, the joints twice as long as thick.
Thorax long-ovoid, smooth, shining, the furrows very distinct; meta-
pleura sericeous; tegule black. Wings long, hyaline, pubescent.
Legs rust-brown, the anterior pair more yellowish, the middle and pos-
terior femora and tibiv dusky toward tips; all cox black. Abdomen
oblong-oval, narrowed toward base, as long as the thorax, the petiole
more or less pubescent.

HAbiratT.—Jacksonville, Fla.

Type in Coll. Ashmead.

Platygaster aciculatus, sp. nov.

é. Length, 1.4. Black, shining; vertex, occiput, and cheeks finely
shagreened; face transversely aciculated; sides of prothorax, mesono-
tum, mesopleura beneath the wings and the metapleura all distinctly
longitudinally aciculated; the parapsides, scutellum, and the lower por-
tion of mesopleura smooth, polished. Antenne 10-jointed, rufo-piceous ;
the flagellum subclavate; pedicel longer and stouter than the first and
second funiclar joints together, the latter scarcely longer than thick,
the following joints to the last transverse, the last short, conic. Par-
apsidal furrows deep, distinct. Secutellum elevated, cushion-shaped.
Legs rufo-piceous; tips of anterior femora and their tibiz and the
articulations of the middle legs yellowish. Wings clear hyaline, en-
tirely devoid of pubescence. Abdomen oval, smooth, polished, the

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 327

petiole not longer than thick, striated and pubescent, the second seg-
ment with some strive at base.

HABrIraT.—Pennsylvania.

Type in Berlin Museum.

Described from a single specimen labeled “ Penn., Zimmermann.”

ISOCYBUS Forster.
Hym. Stud., mu, p. 108 (1856).
(Type, I. grandis Nees.)

Head quadrate or subquadrate, the vertex broad, the cheeks full, the
occiput slightly emarginate, not or very delicately margined; ocelli 3,
triangularly arranged, the lateral being placed far away from the
margin of the eye; eyes ovate.

Antenne inserted at the clypeus, 10-jointed, the scape subclavate,
slightly bent; in the the flagellum is subfiliform, the six terminal
joints thicker than the preceding, submoniliform, the first and second
joints very slender; in the 4 the second funiclar joint is usually slightly
swollen and slightly curved.

Thorax long-oval, the prothorax distinctly visible from above, the
mesonotum with two distinct furrows (rarely indistinct or subobsolete),
the scutellum convex or slightly elevated posteriorly, rounded and
unarmed at apex, distinctly separated from the mesonotum by a furrow
and with two oblique fovec in the furrow; metathorax as long as wide.

Front wings rather long, veinless, except sometimes the submarginal
vein, which is however always pale and never knobbed at tip; usually it
is only visible as a hyaline streak.

Abdomen oval, ovate, or oblong-oval, usually as long as the head and
thorax united; the first segment is longer than wide, rugose or striated,
the second, very large, occupying two-thirds of the surface, the follow-
ing segments all sbort.

Legs rather long, the femora strongly clavate.

TABLE OF SPECIES.

FEMALES.

PURO ehinManWITNOULCUETOWS osc2)s> 222.56 24. as eae ceteeces ew sinee oa sacieas «Gens 2
Mesonotum with distinct furrows.
Coxe. black.
Legs and antenne, except club, pale brownish or honey yellow.
Pedicel as long as the first funiclar joint, the second funiclar joint shorter
thannthe festesses=<e ccc 2 sass ese cous os s'<'s I. NIGRICLAVUS Ashm,
Pedicel shorter than first funiclar joint.
Pleural piece beneath the anterior wing smooth, not striated.
I. PALLIPES Say.
Pleural piece beneath the anterior wing striated.... I. CANADENSIS Prov.
2. Legs and antennie, except the club, bright yellow.
Abdomen nearly twice as long as the head and thorax united.
I. LONGIVENTRIS Ashni:

328 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

MALES.

Flagellum brownish-yellow, or pale: <2: sees -eee ne seen snl eee eee 2
Flagellum brown.
Pedicel and second funiclar joint equal, the first shorter.
Pleural piece beneath the anterior wing smooth, not striated; terminal club
joint only $ longer than the ine ----I. NIGRICLAVUS 5 Ashus
. Pedicel a little shorter than the second funiclar joint.
Pleural piece beneath thé anterior wing smooth, not striated ; terminal club joint
twice as long as the penultimate; first funiclar joint twice as long as
ROK: Se rates eens en Se he Se nara ae P. PALLIPES Say.
Pleural piece beneath the anterior wing striated; terminal club joint not twice
as long as the penultimate; first funiclar joint as wide as long.
i P. CANADENSIS Prov.

Isocybus nigriclavus Ashm.

Bull. No. 1, Col. Biol. Assoc., p. 10.

@. Length, 3.4 to4™". Black, closely, finely punctate, the face ru-
gulose. Head subquadrate, the occiput concave. Antenne 10-jointed,
brownish-yellow, the 6 terminal joints, constituting the club, black; the
pedicel is more than twice as long as thick, the two following funiclar
joints a little shorter, cylindric, the second obliquely truncate at tip, a
little shorter than the first; the joints of the club a little stouter and a
little longer than thick, the last being the longest and less than twice as

longas thick; parapsidal grooves distinct, converging but not quite meet-_

ing posteriorly. Scutellum convex, sparsely covered with a fuscous pu-
bescence, and separated from the mesonotum by a transverse furrow at
base. The mesopleura alone smooth and shining, with a large, deep
fovea on the disk. Metapleura and metathorax rather densely pubes-
cent, the former divided by a longitudinal grooved line or impression.
Legs brownish-yellow; all coxe black. Abdomen a little longer than
the head and thorax together, polished, the petiole roughened, pubes-
cent, and about one-third longer than wide. Wings dusky hyaline,
pubescent.

The ¢ differs in having the secend funiclar joint distinctly longer
than the first, the club being paler, with the joints about twice as long
as thick.

HABITAT.—Greeley, Colo.

Types in Coll. Ashmead.

Described from several specimens.

Isocybus pallipes Say.
(el enn, Hic. 5, Es)
Platygaster pallipes Say, Lec. Ed. Say., Vol. 1, p. 883; Ashm. Can. Ent., XIX, p.
132; Cr. Syn. Hym., p. 250.
$2. Length,3.5"". Black, very finely, closely punctate; legs honey-

yellow, the cox black, pubescent; thorax long, the mesonotum with
2 distinct furrows; mesopleura polished, not striated posteriorly; meta-

ME RR CRS

4

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDAH. 329

thorax with a grooved central ridge, the pleura pubescent. Antenne
10-jointed; in the 6 honey-yellow, with a 6-jointed cylindrical club, the
flagellum one and two-thirds the length of the seape, the pedicel a little
more than half the length of the first funiclar joint, the second funiclar
joint cyathiform, longer than the first; club joints submoniliform, longer
than thick; in the 2 black, the pedicel nearly as long as the first funiclar
joint, the first, one-third longer than the second, the second cylindrie,
the flagellar joints a little longer than thick, the last conical, longer
than the preceding. Tegule rufo-piceous. Wings hyaline. Abdomen
polished, about as long as the head and thorax united, much depressed,
widest toward the apex and obtusely rounded, narrowed toward the
base; petiole longer than thick, finely rugose, with a V-shaped carinated
space above; second segment elongate, with 2 finely shagreened fove
at base.

HABITAT.—Indiana, Canada, Western States, and Texas.

Specimens in National Museum and Coll. Ashmead.

Isocybus canadensis Proy.

Platygaster canadensis Prov., Add., p. 181.
Monocrita canadensis Ashm., Can. Ent., X1x, p. 126; Cr. Syn. Hym., p. 250.

2. Length,3"". Black. minutely, closely, rugosely punctate; antenne

. and legs, except cox, brownish-yellow. The pedicel and second funiclar

joint are about equal, two-thirds the length of the first funiclar joint,
the second funiclar joint being obliquely truncate at tip; club 6-jointed,
rather stout, the first two joints not longer than thick, the three fol-
lowing a little longer than thick, the last a littie longer than the penul-
timate. Thorax trilobed, minutely, rugosely punctate, the middle lobe
smoother anteriorly, the lobes posteriorly and the high convex scutellum
covered with a sparse fuscous pubescence. Mesopleura deeply im-
pressed or foveated at the middle, smooth, shining, except the piece
beneath the anterior wing, which is distinetly striated posteriorly.
Wings subfuscous. Abdomen oblong-oval, narrowed at base. the
petiole fluted, opaque, pubescent; body of abdomen smooth, polished,
the second segment at base with two foveole, pubescent both above
and beneath.

In the ¢ the antennz are usually wholly yellow, the second funiclar
joint being longer and thicker than the pedicel, the first small, subtri-
angular, not longer than thick, the club joints about twice as long as
thick, the last not quite twice as long as the penultimate.

HABITAT.—Ottawa, Canada.

Types, ¢ and 2, in Coll. Ashmead.

Provancher described this species from the male sex alone, a type
specimen of which was kindly sent me by Mr. Harrington.

The fuscous streaks in the wings, resembling nervures, misled me
into describing it as a species of Monocrita before I had seen the type.

830 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Isocybus longiventris Ashm.
Can. Ent., Vol. x1x, p. 130; Cress. Syn. Hym., p. 249.

2. Length, 1". Polished dlack, impunctured; head large, quadrate,
convex before, the lateral ocelli far away from the eye margin; antennze,
except the club and the iegs bright yellow; club brown, 5-jointed.
Thorax twice as long as the head is long antero-posteriorly, without
furrows; scutellum convex, the metathorax pubescent. Abdomen long,
acuminate, almost twice as long as the head and thorax together. Wings
hyaline.

HABITaT.—Jacksonville, Fla.

Type in Coll. Ashmead.

Described from a single specimen. As I have already indicated in
my original description, this insect is not a genuine Jsocybus, and is placed
here only provisionally or until more specimens are taken and the species
can be properly studied. In the shape of the abdomen it recalls
Polymecus, but the quadrate head and the position of the ocelli will ex-
clude it from that genus.

Subfamily VIL—HELORIN 4s.

Head transverse, the vertex broad. Ocelli3,inatriangle. Eyes large,
oblong-oval. Mandibles depressed, the apices acute, the exterior mar-

gin rounded, the interior bidentate. Maxillary palpi 6-jointed. Labial —

palpi 3-jointed. Antenne porrect, 15-jointed, inserted on the middle of
the face. Pronotum distinetly visible from above, the sides impressed,
Striated, and anteriorly produced into a slight neck; mesonotum with
two furrows; scutellum small, semicireular, subconvex, transversely
impressed across the base; metathorax short, obtusely rounded poste-
riorly. Front wings rather broad at tips, with a large, oblong, stigmated
marginal vein, two basal cells, a triangular closed marginal cell and
closed discoidal cells; the basal vein does not attain the submarginal,
but is abruptly bent backward, forming with the median vein a triangu-
lar cell, and with the submedian vein a subquadrate discoidal cell; hind
wings also broad, with a distinct submarginal vein that curves obliquely
backward to the hind margin before attaining one-third the length of
the wing.

Abdomen petiolated, obconic; the petiole very long, swollen toward
base; the second segment very large, the following short. Legs moderate,
the posterior tarsi lengthened a little longer than their tibice; tibial spurs
1, 2, 2, the claws pectinate.

This subfamily is at once distinguished by the venation, the basal
nervure being abruptly bent, intersecting with the base of the recurrent
nervure and forming a triangular cell; the large conical-shaped petiole,
and the pectinate claws.

Only one genus is known, Helorus Latreille, although Abbé Pro-
vancher has described in his “Additions ala Faune Hymenopterologique

a
.
s

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 331

dela Province de Québec,” page 154, 1 genus, Ropronia, with one
species, pediculata, which he at first placed in the family Braconida, but
which subsequently in the same work, page 406, he removes to the
Helorine. The genus is unknown to me in nature, but from his de-
scription and figure of the anterior wing, I believe it to be a Braconid,
and it is in consequence not included here.

HELORUS Latreille.
Hist. Nat., x111, p. 250 (1802),
Syn. Copelus Prov., Faune Ent. Can., 1, p. 540 (1883).

(Type H. anomalipes Pauz.)

This genus is sufficiently described in the characters given for dis-
tinguishing the group. It is parasitic in the cocoons of Chrysopa, a
Neuropterus insect, and, so far, only a single species has been detected
in our fauna.

Helorus paradoxus Prov.
(RIE xan, Hig; 9.)

Copelus paradoxus Proy., Nat. Can., X11, p. 207, 9.
Helorus paradoxus Proy., Faun. Ent. Can,, 11, p.540; Cress., Syn. Hym., p. 251,

2. Length, 4.5™", Black polished, shining; the head transverse,
punctate, the face with a sparse whitish pubescence. Mandibles pale
rufous, the tips black. Palpi piceous. Thorax smooth, its dorsum
with a few minute punctures; the pronotum strongly impressed and
striated at sides; mesopleura rugulose anteriorly, smooth posteriorly
with fine punctures toward the base of the middle cox, sparsely
pubescent; metathorax rugose. Tegule pale rufous. Wings hyaline,
with piceous-black nervures. Leg pale rufous, the coxie black, the
middle and posterior femora toward base rufo-piceous. Abdomen
shining black, polished, the apical segments and the yenter with fine
punctures, the petiole rugose, with some raised longitudinal lines
above.

HABITAT.—Cap Rouge, Canada; and Montana.

Specimens in National Museum, Coll. American Entomological So-
ciety, and Coll. Ashmead.

This species comes nearest to the European H. anomalipes Panz.,
but it is slenderer, the scutellum smoother, the petiole rougher, and the
legs paler than in that species.

Subfamily VIII—PROOCTOTRYPIN 2.

Head transverse or quadrate. Ocelli 3, in a triangle. Mandibles
edentate, acute at apex. Maxillary palpi 3- or 4-jointed; labial palpi
very Short, 3-jointed. Antenne porrect, 13-jointed in both sexes, with
aring-joint. Pronotum distinct, narrowed before; mesonotum elongate,
seldom with furrows; scutellum convex, foveated at base; metathorax

Doe BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

usually longer than wide, rounded posteriorly or subtruncate and pro- —
duced beyond the insertion of coxee. Front wings with a triangular or_
semicircular stigmated marginal vein situated much beyond the middle
of the wing, a very short, sometimes almost obsolete, marginal cell, and
a closed costal cell; and often with traces of discoidal nervures; hind

wings broad, veinless. Abdomen petiolated or subpetiolated, conic- 1
ovate, the second segment very large; in the male terminating in two
prongs; in the female prolonged into a long, tubular case, inclosing
the ovipositor. Legs rather long, the femora clavate, tibial spurs 1, 2,
2, well developed, the tarsi long, 5-jointed, claws simple. |

This group, from which the family derives its name, was first de-_
seribed by Latreille in 1796, It is at once distinguished by the eden- —
tate mandibles and the shape of the abdomen; in the female the abdo- —
men being prolonged into a long, tubular case, inclosing the ovipositor,
while in the male it terminates in two prongs.

The Proctotrypine attack apparently only Dipterous and Coleopterous
larvee living in fungi.

The only instance of the rearing of a species in America is by Prof.
Comstock, who reared Proctotrypes obsoletus Say from the Coleopteron
Stelidota strigosa. In Europe, the habits of about a dozen species are
known, all bred from Coleopterous and Dipterous larve living in fungi.

The genera are not numerous, and may be recognized by the aid of —

the following synoptical table:
TABLE OF GENERA.

FEMALES.

Abdomen terminating in a stylus.

Wingless2.65 2.2 conecce bose a cod des be DR ek ee aes ease ae ee eee eee 2
Winged; maxillary palpi 4-jointed, long, the last joint linear.
Parapsidal furrows .GistiNGton.s-- eer ees eae eee eee DisoGMus Forster.
Parapsidaliturrows) wanltino.- sees e= ee sees PROCTOTRYPES Latr.
2. Maxillary palpi 3-jointed, short, the last joint subclavate.
Metathoraxentoothseec-te cases. eset sae eee pce ae cee Coprus Jurine.
MALES.

Abdomen terminating in two prongs; winged.
Maxillary palpi 4-jointed, long, the last joint linear.

Parapsidalsturrowsidistincheee-eee see eee eee eee eens DisoGmus Forster.
Parapsidal furrowsswantin@enssesses. esas oe eeee eee PROCTOTRYPES Latr.
Maxillary palpi 3-jointed, short, the last joint subclavate.

Metathorax: smooths22c02 face ee oie oe eee eee ees Coprus Jurine.

DISOGMUS Forster.
Hym. Stud., 11, p. 99 (1856).
(Type D. areolator Hal.)
(Plesxdir, PipiG.29
Head transverse or subquadrate.

Antenne 13-jointed, long, the joints cylindrical, pubescent, or pilose,
some of the joints in the male sometimes dentate.

_

@ ‘
MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 333

Mandibles conical.

Maxillary palpi 4-jointed, long, the third joint the longest, the second
dilated. |

Thorax long, the prothorax rounded before, the mesonotum with
two deep furrows, the metathorax areolated.

Front wings with an oblong stigma, the marginal cell rather large.

Abdomen much as in Proctotrypes, the cauda usually shorter and

“more slender.
Legs as in Proctotrypes, except that the tibial spurs are smaller.

Distinguished from Proctotrypes by the distinct mesonotal furrows,
the dilated second joint of the maxillary palpi, and the shape of the
stigma.

The genus is unknown, as yet, out of the European fauna.

PROCTOTRYPES Latr.

Préc., p. 108 (1796); Forster, Hym. Stud., 1, p. 99; =? Serphus Schrank, Schrift. d.
3erl. Naturf. Fr., 1 (1780).

(Type P. gravidator Linn.)

Head transverse or quadrate, the occiput margined; ocelli 3, promi-
nent, in a triangle, rather close together; eyes ovate or long-oval.

Antenne inserted on the front between the eyes, 13-jointed with a
ring-joint; the scape is short, oval; the pedicel very minute, annular,
more or less hidden within the scape and only visible as a ring-joint,
hence the genus has been described as having but 12-jointed antenne ;
the flagellar joints vary from long cylindrical joints to short, or monil-
iform joints, and sometimes in the males some of the joints are dentate.

Mandibles acute at tips, edentate.

Maxillary palpi long, 4-jointed, the last joint linear; labial palpi
3-jointed, the last joint fusiform.

Thorax elongate, the prothorax always visible, depressed above and

produced into a neck anteriorly; mesonotum long, highly convex,
without furrows, scutellum convex, foveolated at base; metathorax
longer than high, sloping or obtusely rounded posteriorly and produced
beyond the insertion of the cox; spiracles oval or linear.

Front wings with a triangular stigma at about two-thirds the length
of the wing with a distinct but very short marginal cell, its length
rarely more than half the length of the stigma; costal cell closed; all
other cells and nervures entirely, or subobsoletely, obliterated; if
present indicated only by fuscous streaks.

Abdomen petiolated, ovate, slightly compressed, the petiole short,
the second segment very large occupying most of its surface, in the 2
terminating in a long cauda; in g ending in two prongs or spines.

Legs long, slender, the femora slightly swollen; tibial spurs 1, 2, 2;
tarsi long, slender; claws long, curved, simple.

334 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Our species in this genus are numerous, but may be readily deter-
mined by the aid of the following table:

TABLE OF SPECIES.

Head quadrate... . .. 2. 2s sv oon cee eediaes ene eee ee ee eee Eee ee eee cwaoentan
Head transverse. ;
Head:and thorax bla¢k. 2.223 22t.s850 25s. soa 42 Jano 25s See eae 2
Head and thorax pale or rufous, the metathorax sometimes black, wings sub-
fuscous, the venation distinct. %

Metathorax coarsely rugose, with longitudinal raised lines, but without a
distinct central longitudinal carina; cauda as long as the abdomen.
P. CAUDATUS Say.
Metathorax coarsely rugose, not longitudinally striated, but with a distinct
central longitudinal carina; cauda half the length of abdomen.
P. PALLIDUS Say. —
2. Abdomen: black. 22 < sci Sas ac cioteccces cea ces eee eee eee Cee eee 3
Abdomen rufous or honey yellow, the apex or petiole alone black.
Metathorax rugose without a distinct central longitudinal carina.

Rugesttres loncitudinal gees - esses ss ae ee ee eee eee eee ee P. CAUDATUS Say.
Rugosiires not lonrivudinalig 2s. sse= see ee- eee eee P. RUFIGASTER Prov.

Metathorax rugose, with a distinct longitudinal carina.
All cox black.
Petiole not as long as thick.
Four terminal abdominal segments black g .-.---- P. TERMINALIS, sp. nov.
Three terminal abdominal segments black f ..-..---. P. LINELLI, sp. nov.
All cox pale.
Petiole twice as long as thick.
The sixth abdominal segment dusky.......-...P. MELLIVENTRIS Ashm.
Petiole not as long as thick. 7
Four or five terminal abdominal segments black -....... (P, TERMINALIS.)
3. The discoidal nervures more or less distinct by fuscous streaks.
Cox black or black basally.
Metathorax coarsely rugose with a central carina; antennze with joints 1 to

SYdemb above t 22) tf eee sstee ent eie nec P. CALIFORNICUS Holmer.
Metathorax coarsely rugose, but without a central carina; antenn simple,
Qik ae on, cae eee eee Bem seesee ae Somes eeieieee P. OBLIQUUS, sp. nov.
The discoidal nervures entirely wanting.

Marginal /cell always shorts: 22020. . 3. fecie scnc oes: oe ce cee soa eee nner arenes 4
Marginal cell large, as long as the stigma.

Legs, including cox, pale yellow, the inner posterior tibial spur nearly as

long as the basal joint of the tarsi, ¢ Q --..-.-.-. P. FLAVIPES Prov.

4. Cauda short, not or scarcely one-third the length of abdomen............----- 5

Cauda as long as abdomen.

Legs, including cox, yellow, clypeus and inandibles light rufous. ;

P. CLYPEATUS, sp. nov. —

5. Metanotum with 3 carine, inclosing 2 large smooth areas above; apex and sides —

rugose. 4

Cox black or dusky above.

Antenne brown, not extending to apex of thorax, basal two or three yellow. —

P. ABRUPTA Say.

Cox pale.
Middle carina of metathorax ending at the superior edge of the rounded pos-
terior face.

i

. MONOGRAPH OF THE NORTH AMERICAN PROCTOTRUPIDE. 335

Antenne honey yellow, slightly dusky at apex and reaching the base of
the abdomen; second flagellar joint about two-thirds the length of
the first, about 24 times as long as thick, the four following joints
equal, as long as the second; cauda short. ....-.- P. OBSOLETUS Say.

Middle keel extending to the base of the petiole.
Second flagellar joint half the length of the first, 2} times as long as thick,
the following joints, except the last subequal; canda short.
P. BELFRAGEI, sp. noy,
Metanotum on each side of the median keel rugose.
Middle keel ending at the superior edge of the posterior face.
Second flagellar joint thrice as long as thick, two-thirds the length of first,
following joints except the last gradually shortening; cauda short.
P. TEXANUS sp. Nov.
Middle keel extending to the base of the petiole.
Second flagellar joint 4 times as long as thick; abdomen ending in two

SPINES hiss ses a aia et pte ort ays ea ele arr P. CAROLINENSIS, 8p. DOV,
6. Head with a frontal carina between the antenne,
Metathorax not twalcelaslomoras Niobe... occ crane ace e since sees eee 7

Metathorax twice as long as high.
Head a little longer than wide.
Antenne and legs rufous, the cox black basally.
Antenne longer than the head and thorax, the first flagellar joint one-
third longer than the second, the others at least thrice as long as
Wels Oo sede cmeeseu se see oon ese Sa500s Gene P. LONGICEPS, sp. noy.
7. Antenne and legs, unless otherwise mentioned, rufous or reddish yellow, cox
more or less dusky basally.
Head a little larger than wide; antenne brown.

First flagellar joint not longer than the second, shorter than the scape, the
others about twice as long as thick, the last twice as long as the
PEmMUlitiMa Len anaes ase eeraeesece seer = P. CANADENSIS, Sp. nov.

Head not longer than wide. f
First flagellar joint, not or scarcely longer than the second, the others three
times as long as thick, 9. (Cox sometimes wholly pale.)
P. SIMULANS, sp. nov.
First flagellar joint distinctly longer than the second.

Flagellar joints 2 to 6 at least thrice as long as thick, °.

P. MEDIUS, sp. nov.

Flagellar joints 3 to 10 only a little longer than thick, 9.

P. QUADRICEPS, sp. nov.

All coxe black, the femora piceous.
Antennx slightly thickened towards apex, dusky, the first flagellar joint
one-third longer than the second, joints 2 to 10 searcely longer than
PHIUCKANO! Sees ie Nets ae ro eae ete eeees P, FEMORATUS, sp. nov.

Proctotrypes caudatus Say.
Cr xe Bios, O)
Lec. Ed. Say’s Works, I, p. 21; Ashm., Ent. Am., 11, p. 98; Cress., Syn. Hym., p. 248.

P. crenulatus Patton, Can. Ent., x1, p. 64 (1879); Ashm. loc. cit., p.99; Cr. loe.

cit. (supra), p. 248.

6%. Length, 7to 10". Ovipositor as long as or a little longer than
the abdomen. Reddish testaceous; metathorax black, upper part of
mesopleura and the sutures often black; head and thorax smooth, shin-
ing; collar a little wrinkled or grooved at sides; metathorax elongated,
rounded behind, longitudinally rugulose and reticulated with coarse

306 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

punctures; a row of crenate punctures along the hind margin of the
mesopleura. Antenne 13-jointed, black, the basal joint reddish, robust,
partially inclosing the small second joint. Wings subfuscous, the nery-
ures fuscous, the marginal cell very short, about one-fourth the length
of the stigma, the internal venation distinct as fuscous streaks. Ab-_
domen not as long as the thorax, the petiole very short, grooved, black;
the second segment at base with a median furrow, and three grooves
on either side; terebra fully as long as the abdomen, a little curved,
longitudially striated along the sides.

Inthe ¢ the head and thorax are most frequently black, although
sometimes more or less piceous or reddish, the cox black or dusky,
the tarsi most frequently fuscous or at least tinged, the abdomen dusky —
at apex and ending in two short prongs; otherwise as in the ¢.

Hapirat.—United States generally.

Specimens in National Museum, Royal Berlin Museum, Coll. Ameri-
can Entomological Society, and Coll. Ashmead.

A common species, somewhat variable in size and color. I have
seen Patton’s type of P. crenulatus in Coll. American Entomological
Society, and there is no doubt of its being a synonym of this species.

Dr. Clarence M. Weed has sent me quite a large series collected in
Ohio, and I have seen specimens from various parts of the country.

Proctotrypes pallidus Say.

Lee. Ed. Say’s Works, 1, p. 382; idem., 1, p.725; Ashm. Ent. Am., 1, p. 99; Cress. —
Syn. Hym., p. 248.

é¢. Length, 6 to 8", Reddish-testaceous, closely resembling P.
caudatus, but with the metathorax more finely rugose, with a median
carina, the sculpture not longitudinal, the antenne wholly testaceous or
brown, the second abdominal segment with fine strie at extreme base.

In the ¢ only the meso- and metapleura are blackish, the cox pale,
the tarsi not dusky, apex of abdomen very slightly dusky, often concolo-
rous with the rest of the abdomen, while the prongs are shorter than in —
caudatus,

Haprrat.—United States.

Specimens in Coll. American Entomological Society, National Museum,
and Coll. Ashmead.
Proctotrypes rufigaster Prov.

Nat. Can., xl1, p. 263; Faun. Ent. Can., p. 561, ¢ 9; Ashm. Ent. Am., 111, p. 99;
Cress. Syn. Hym., p. 248.

é. Length, 5™". Head and thorax black; legs reddish-yellow, the —

tarsi slightly dusky; abdomen reddish-yellow, the petiole, extreme
apex of second and following segments black. Antenne long, cylin-
drical, black, the basal joint rufous beneath. Thorax smooth; collar —
at sides, mesopleura beneath the tegulie and anteriorly and posteriorly,

»

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDH. 337

striated; metathorax coarsely rugose, without a median carina. Wings
subhyaline, as in P. caudatus. Petiole short, fluted, rugose above.
HABirat.—Ottawa, Canada.
Types in Coll. Provancher, Ashmead, and Harrington.

Proctotrypes terminalis, sp. nov.

é. Length, 5.5 to6.5"™. Head, antenne, and thorax entirely black;
legs rufous, the coxre black; second abdominal segment, except the
apex, red. Antenne extending to middle of abdomen, slender, cylin-
drical, the flagellar joints all long, pubescent. Prothorax at sides
anteriorly, mesopleura beneath the tegule anteriorly and at posterior
margin striated or wrinkled; metathorax rugose, with a slight median
carina. Wings as in P. caudatus Say. Petiole very short, fluted.
Hind tibial spur less than one-third the length of the basal tarsal joint,

Hapitat.—Washington, D. C., and Columbus, Ohio.

Types in National Museum and Coll. Ashmead.

My specimens were presented to me by Dr. C, M. Weed.

Proctotrypes Linellii, sp. nov.

6. Length, 4". Closely allied to P. terminalis, agreeing with it in
color and sculpture, except that only the 3 terminal abdominal joints
are black, the metathorax more coarsly rugose, with the median carina
quite distinct and extending from base to apex, while the hind tarsi
are slightly dusky, the tibial spur being one-third the length of the
basal tarsal joint. The wings are hyaline, the marginal cell nearly
obsolete, not as long as the width of the radius, the latter prolonged
into the disk of the wing with a small fuscous spot at its origin.

HaAsitat.—Long Island.

Type in Coll. Ashmead.

Described from a single specimen collected by Mr. Martin Linell.

Proctotrypes melliventris Ashm.
Ent. Am., 11, p. 99 ¢; Cress. Syn. Hym., p. 248.

6. Length, 4.1™". Head and thorax black, polished, the metathorax
rugose, with a longitudinal median carina; legs and abdomen reddish-
yellow; the petiole and the apex of abdomen black; petiole a little more
than twice as long as thick, with longitudinal furrows; tip of abdomen
ending in two prongs. Antenne 13-jointed (with a ring-joint), black,
reaching to the base of the second abdominal segment, cylindrical,
pubescent, very slightly thinner at apex; the first and last flagellar
joints the longest, unequal, the first a little more than 4 times as
long as thick, the last 6 times as long as thick, the intermediate joints
very slightly decreasing in length. Wings hyaline with a faint fuscous
tinge, the venation brown-black, the radial cell very short, less than
4 the length of the stigma, with a small dusky streak below the base
of the radius; disk of wings with traces of the cubitus and anal ner-

21899—No. 45 22

338 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

vures, otherwise veinless. Hind tarsi as long as their tibia, the tibial _
spur 4 the length of the basal tarsal joint.
HABITAT.—Jacksonville, Fla.
Type in Coll. Ashmead.

Proctotrypes californicus Holmg.
Kong]. sv. Freg. Eug. Resa Ins., p. 454; Cr. Syn. Hym., p. 248.

é. Length, 4 to 4.5". Polished black; the mandibles, antenne
beneath and legs, except coxie, rufous. Metathorax finely rugose, with —
a median carina. Joints 1 to 5 of flagellum dentate beneath. Wings—
subhyaline, the discoidal nervures distinctly visible as fuscous streaks, |
marginal cell one-third the length of the stigmal. Abdomen black,
polished, not longer than the thorax, the petiole very short, rugose, —
striated at sides and beneath, the second segment with some striz at
extreme base, terminal segment ending in two short prongs. ,

HaApitavt.—California, Canada, and Virginia.

Specimens, agreeing in all particulars with Holmgren’s description,
are in my collection. The species is easily recognized by the dentated —
flagellar joints, being the only species in our fauna thus distinguished. —

Proctotrypes obliquus, sp. nov.

dé. Length, 4.5". Polished black. Head very broad, more than —
thrice as wide as thick antero-posteriorly. Eyes large, ovate. Mandi-_
bles piceous, black. Palpi very long, pale brownish. Antenne 13-—
jointed, very long, filiform, pubescent, the flagellar joints nearly of an
equal length, about four times as long as thick. Metathorax gradually
sloping off posteriorly and produced into a point far beyond the inser-—
tion of the hind coxe, coarsely reticulately rugose; at the base are two
large fovexe which are connected by a sulcus or a grooved line with the
spiracular fovee. Tegule brown. Wings subhyaline, the stigma and
radius brown-black; the marginal cell is a little longer than half the —
length of the stigma. Legs pale brownish-yellow, the hind cox black,
the others black only at base; the tibial spurs are long, the inner spur_
of hind tibize being more than half the length of the basal tarsal joint, ©
all tarsi longer than tibie. Abdomen subcompressed, black, shining,
and composed of but 3 visible segments, the apex when viewed from the
side being obliquely truncated, the usual two projecting spines wanting.

HABITAT.—Texas.

Type in National Museum.

Described from a single specimen in Belfrage collection.

Nat. Can., xu, p. 264; Faun. Ent. Can., 11, p. 562 9.
Megaspilus lucens Proy., Faun. Ent. Can., 11, p. 808 9.

a

c

Proctotrypes flavipes Proy. .
‘

Proctotrupes flavipes Proy., Add. et Corr., pp. 462 and 471. ;
“a

2. Length, 3.oto4", Polished black; mandibles, tegule, and legs,
yellow. Metathorax finely rugose, with two large smooth areas at base

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 339

above. Wings hyaline, the nervures and stigma yellowish, the discoidal
nervures entirely wanting; costal cell very wide; stigma semicircular,
the marginal cell as long as the stigma. Inner spur of posterior tibise
fully two-thirds the length of the basal tarsal joint. Abdomen black,
polished, as long as the thorax, the ovipositor long, nearly half the
length of the abdomen. Antenne rather short, brownish-yellow, paler
beneath and toward base, filiform, the first and second funiélar joints
equal, the following shorter.

HABITAT.—Ottawa, Canada.

Specimens are in my collection, received from Mr. W. H. Harrington.

-The species is quite distinct from all others in our fauna in the size

of the marginal cell and the long tibial spur of posterior legs. It seems
to agree quite closely with the European P. calcar Haliday.

‘Proctotrypes clypeatus, sp. noy.

2. Length, 3.5", to the tip of ovipositer 45°". Polished black;
clypeus and mandibles pale rufous; legs, including coxe, yellowish ;
ovipositor longer than the abdomen, the basal two-thirds reddish yel-
low. Antenne pale brownish-yellow, not longer than the thorax, the
first flagellar joint a little longer than the second, joints 2 and 3 about
equal, fourth slightly shorter, the following to the last about twice as
long as thick, the last one-half longer than the penultimate, ovate.
Metathorax rugose, with two smooth areas at base above. Win gs hya-
line, the discoidal nervures wanting; stigma large, brown-black ; mar-
ginal cell less than one-half the length of the stigma. Tibial spurs of
posterior legs about one-half the length of the basal tarsal joint. Ab-
domen polished black, about as long as the thorax, the petiole scarcely
apparent, second segment at extreme base with a long foyeola on
either side.

HABITAT.—Ithaca, N. Y.

Type in Coll. Ashmead.

Described from a single specimen received from Mr. F. H. Chitten-
den, who informs me he reared it October 15, 1884, from a large yel-
low, rather woody, fast-growing tree fungus, from which Melandryid,
Mycetophagid, Staphylinid and Scaphidiid beetles. were obtained.

Proctotrypes abruptus Say.
Bost. Jour., 1, p. 278 9; Lec, Ed. Say’s Works, 01, 725; Ashm. Ent. Am., UI, p. 98;
Cress. Syn. Hym., p. 248.

¢. Length, 2.5 to 3°". Polished black; mandibles black or piceous;
legs reddish yellow, the coxze sometimes black or black toward base;
ovipositor about 4 the length of the abdomen or very slightly longer
than the basal joint of hind tarsi. Antenne brown, not longer than
the thorax, slightly thickened toward base, the basal joint or some-
times the 3 or 4 basal joints, yellow; first flagellar joint about one-half
longer than the second, or the second joint is two-thirds the length of

340 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

the first, the following joints to the last very gradually shorten‘ng, the
penultimate being but slightly longer than thick, the last being twice
as long as the penultimate, fusiform. Metathorax rugose, with 3
carine, inclosing two large smooth areas at base. Abdomen as
long as the thorax, black, shining, the ovipositor about 4 its length.
Wings hyaline, without discoidal nervures, the stigma large, the mar-
ginal cell 4 its length, not petiolate at base.

Hapbirat.—Jacksonville, Fla.; Virginia, and Indiana.

Specimens are in the National Museum, Coll. American Entomo-
logical Society, and Coll. Ashmead.

Proctotrypes obsoletus Say.

Bost. Jour., 1, p. 277, 9 ; Lec. Ed. Say, uy, p. 725; Ashm. Ent. Am., 111, p.98; Cress. Syn,
Hym., p. 248.

?. Length, 4°". Polished black; antenne brownish-yellow; mandibles |
yellowish; legs reddish-yellow; wings hyaline. Antenne 13-jointed,
very slightly thickened towards tips, second flagellar joint two-thirds
the length of the first, the four following equal, about as long as the
second, 24 times as long as thick, the terminal joint fusiform, almost as
long as the two preceding joints together, or fully as long as the first.
Metathorax rugose, the middle carina extending to the posterior face.
Abdomen longer than the head and thorax united, emarginate at base,
the petiole extremely short, the cauda very slightly longer than the
basal joint of hind tarsi.

In the male the antenne are filiform, pale brownish, the first flagellar
joint as long as the scape, the joints very slightly increasing in length
from the second, broken off from the sixth.

HABITAT.—District of Columbia and Indiana.

Specimens in National Museum and Coll. Ashmead.

A single specimen of what I believe to be this species was reared by
Prof. Comstock, December 9, 1879, from Stelidota strigosa.

Proctotrypes Belfragei, sp. nov.

2. Length, 5". Polished black, with a sparse fuscous down. Head
transverse, thrice as wide as thick antero-posteriorly; palpi pale; man-
dibles rufo-piceous. Antenne 13-jointed, pale brown, darker towards
tips, extending to tegul, cylindrical, the scape oval, the pedicel an-
nular, the first and the last flagellar joints equal, the joints after the
first very gradually shortening, the three preceding the last not more
than 14 times longer than thick. Metathorax at sides coarsely rugose,
the disk smooth, shining, with 3 carinz, the middle of which extends to
the apex, the lateral abbreviated. Tegule and legs reddish yellow,
the posterior cox behind black; tibial spurs short. Wings hyaline,
the venation, except costal nervure, piceous-black; the marginal cell is
very short, one-third the length of the stigma; no traces of nervures in

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID®. 341

the discoidal region. Abdomen black, polished, the petiole very short,
the base of second segment with some raised lines; cauda short, im-
punctured, curved, very slightly longer than the basal joint of the hind
tarsi.

HABITAT.—Texas.

Type in Coll. National Museum.

Described from a single specimen in Belfrage collection.

Proctotrypes texanus, sp. noy.

?. Length, 3". Polished black; mandibles, palpi, and legs, in-
cluding cox, yellow; antenne longer than the thorax, slender, fili-
form, brownish-yellow, pubescent; first funicle joint slightly longer
than the second, the following joints to the last very gradually short-
ening, the penultimate being about 4 times as long as thick, the last
about one-half longer than the penultimate. Metathorax finely rugose,
with a median carina extending to apex. Inner spur of posterior tibie
about one-half the length of the basal joint of tarsi. Wings hyaline,
the stigma brown, the marginal cell about one-third the length of the
stigma, petiolated at base. Abdomen a little shorter than the thorax,
black, shining, the petiole distinct, fully as long as thick, fluted, second
segment at extreme base striated; prongs very short.

HABITAT.—Texas.
Type in Coll. Ashmead.

Described from a single specimen.

Proctotrypes carolinensis, sp. noy.

6. Length, 5™" Polished black. Head twice as wide as thick an-
tero-posteriorly with a frontal carina extending from the front ocellus
to between the base of the antennze. Mandibles rufous, the tips black.
Palpi long, yellowish. Antenne 15-jointed, filiform, brown-black, the
scape yellow; the flagellar joints very gradually shortening to the last,
the last equal with the second, the first joint is the longest and a little
more than 4 times as long as thick. Metathorax rugose, rounded off
posteriorly with a single central longitudinal carina extending quite to
its apex. Tegule yellowish. Wings hyaline, the venation brown-
vlack, the marginal cell short, less than one-half the length of the
Stigma. Legs yellow; the cox behind at base dusky; the tibiw and
tarsi are long, about of an equal length; the posterior tibial spurs not
quite half the length of the basal tarsal joint. Abdomen black, pol-
ished, not longer than the thorax, composed of five segments, petiole
distinctly grooved, second segment at base grooved, terminal segment
ending in two prongs.

HABITAT.—North Carolina.

Type in National Museum.

342 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.
Proctotrypes longiceps, sp. noy.

?. Length, 7". Polished black; antenne yellowish, the apical
joints a little dusky, the first flagellar joint the longest, the following
to the last slightly shortening, the penultimate being scarcely 3 times
as long as thick, the last one-half longer than the preceding; palpi
yellowish; legs reddish-yellow, the cox slightly dusky basally. Meta-
thorax twice as long as high, finely rugulose, smoother above, with a
median carina. Wings hyaline, the discoidal nervures visible as
fuscous streaks, the stigma fuscous, the marginal cell one-third the
length of the stigma, petiolated. Abdomen black, shining, longer than
the head and thorax together, distinctly petiolated, the petiole more
than twice as long as thick, finely striated; ovipositor not longer than
the basal joint of hind tarsi. The femora are swollen, the tibiz sub-
clavate, the inner spur of posterior tibiz scarcely one-third the length
of the basal tarsal joint.

HABITAT.—Ottawa, Canada.

Type in Coll. Ashmead.

Described from a single specimen received from Mr. W. Hague Har-
rington.
Proctotrypes canadensis, sp. nov.

2. Length, 3". Polished black; antenne brown, the first flagellar
joint not longer than the second, shorter than the scape, the following
joints, except the last, about 24 times as long as thick, the last fully
twice as long as the penultimate; legs reddish-yellow, the cox dusky
basally. Metathorax a little longer than high, rugose, smooth on dor-
sum toward base, with a median carina. Wings hyaline, without dis-
coidal nervures, the stigma yellowish, the marginal cell less than half
the length of the stigma, petiolated. Abdomen black, shining, not
longer than the thorax, the petiole scarcely as long as thick, rugose,
the second segment at base with numerous strive; ovipositor very short,
two-thirds the length of the basal joint of hind tarsi. The femora are
not so much swollen, the tibiz long and slender, the inner spur of hind
tibee not more than one-fourth the length of the basal tarsal joint.

HABITAT.—Ottawa, Canada.

Type in Coll. Ashmead.

Described from a single specimen, received from Mr. W. Hague Har-
rington. Its smaller size, shorter metathorax and ovipositor, relative
length of the antennal joints and the shorter tibial spurs, easily sepa-
rate the species.

Proctotrypes simulans, sp. nov.

2. Length, 4™. Polished black, antenne-rufous, the first flagellar
joint scarcely longer than the second, but as long as the scape, the fol-
lowing joints after the third about 24 times as long as thick, the last less
than twice as long as the penultimate; legs, including cox, reddish-

IAT Aa nC Pe eet Ne REE ALE RE

i
Z
¥
.
%
.
t
3
w

Ps Meee aD epi Rae ee

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID. 343

yellow. Metathorax 15 times as long as high, rugose, smooth to yard
base above, with a median carina. Wings hyaline, the discoidal ner-
vures traceaple as fuscous streaks, stigma brown, the marginal cell less
than half the length of the stigma, petiolated. Abdomen black, polished,
about as long as the thorax, petiolated, the petiole not longer than thick,
striated, extreme base of second segment striated, ovipositor not longer
than the basal joint of hind tarsi.

HABITAT.—Arlington, Va.

Type in Coll. Ashmead.

Described from a single specimen captured by myself. Since this
was written I have received another specimen, taken by Mr. E, A.
Schwarz, at Fort Pendleton, W. Va., agreeing in every particular with
the above description, except the coxze are concolorous with the legs.

Proctotrypes medius, sp. nov.

2. Length, 5.5". Polished, black; antenne brownish-yellow, rather
stout, the first flagellar joint the longest, a little longer than the scape
and pedicel together, or one-third longer than the second, the joints
after the fourth about 3 times as long as thick, the last longer, as long
asthe second; legs, including cox, reddish-yellow, the inner spur of
posterior tibiz fully one-third the length of the basal tarsal joint.
Metathorax less than twice as long as high; coarsely rugose, with a
median carina and two large, smooth areas toward base. Wings hya-
line, the discoidal nervures very faintly traceable, the stigma brown,
the marginal cell about one-fourth the length of the stigma. Abdomen
black, polished, longer than the thorax, pectiolated, the petiole longer
than thick, striated; ovipositor as long as the basal joint of hind tarsi,

stout.
— Hapsirar.—Ottawa, Canada.
Type in Coll. Ashmead.

Described from a single specimen received from Mr. W. Hague Har-
rington. Approaches nearest to P. longiceps, only the head is a little
wider than long, the metathorax shorter, more coarsely rugose, the
petiole shorter, while the tibial spurs are longer.

Proctotrypes quadriceps, sp. nov.

2. Length, 4™™. Polished black; legs reddish-yellow, the cox a
little dusky basally; inner spur of hind tibiz a little less than half the
length of the basal tarsal joint; palpi whitish or pale yellowish; meta-
thorax scarcely longer than high, rugose, with a median carina and two
large, smooth areas on either side of it, inclosed at sides by delicate
lateral carine. Antenne rubust, filiform, reddish-brown, scarcely
longer than the head and thorax together, the 3 basal joints yellowish,
the first flagellar joint scarcely as long as the last or very little longer
than the second. Wings hyaline, the discoidal nervures subobsolete,

344 BULLETIN 45, UNIYED STATES NATIONAL MUSEUM.

stigma brown, the marginal cell petiolated, one-third the length of the
stigma. Abdomen polished, black, not longer than the head and thorax
together, the petiole not as long as wide, striated, second segment with
sulci at base; ovipositor not longer than the basal joint of bind tarsi.
HABITAT.—New Jersey.
Type in Coil. Ashmead.

Described from a single specimen.
Proctotrypes femoratus, sp. noy.

?. Length, 2.1". Polished black; legs yellowish, the cox black
or piceous, the femora swollen, piceous or rufo-piceous; inner spur of
hind tibiz one-third the length of the basal tarsal joint; palpi yellow-
ish; metathorax not longer than high, closely punctulate, the dorsum
smoothand polished, with amediancarina. Antenne brown, not longer
than the head and thorax together, slightly thickened toward the tips,
the scape piceous, pedicel yellow; the first flagellar jointis two-thirds the
length of the last joint, or very little longer than the second, the joints
after the second scarcely longer than thick. Wings hyaline, the dis-
coidal nervures entirely wanting, the stigma brown-black, the marginal
cell petiolated one-third the length of the stigma. Abdomen polished,
black, not longer than the head and thorax together; the petiole not as
long as thick, rugose, second segment striated above at extreme base;
ovipositor scarcely longer than the basal joint of hind tarsi.

HABITAT.—Wyoming.

Type in Coll, Ashmead.

Described from a single specimen obtained through Mr. H. F. Wick-

CODRUS Jurine.
Hym., p. 308 (1807); Thoms. Ofv., 1857, p. 421.
(Type C. apterogynus, Hal.)
(PIPE Shoe Som)

Head subquadrate.

Antenne 13-jointed, in 2 very slightly thickened toward the tips;
in ¢ setaceous, pubescent, the flagellar joints longer.

Mandibles acute at tips, edentate.

Maxillary palpi short, 3-jointed, the last joint subclavate; labial palpi
very short, 2-jointed.

Thorax elongate, the prothorax narrowed and rounded before, meso-
notum highly convex, without furrows, metathorax a little longer than
high, slightly depressed above, smooth and shining.

Front wings with a subtriangular stigma and a very minute marginal
cell, without traces of nervures in the discoidal region; the 2 apterous.

Abdomen much as in Proctotrypes, the dorsum subdepressed, and the
cauda very short.

Legs as in Proctotrypes.

ELC PN ee 8 oi tle RA I

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDE. 345

The short 3-jointed maxillary palpi and the subdepressed smooth met-
athorax distinguish this genus from Proctotrypes and Disogmus. No
species is known from North America.

Subfamily [X.—BELYTIN®.

Head transverse or subglobose. Ocelli 3, in a triangle, rarely want-
“ing. Eyes most frequently hairy. Mandibles usually short, acute at
tips, with a tooth within, rarely faleate and crossing each other at tips.
Maxillary palpi 4-or 5-jointed; labial palpi 3-jointed. Antenne por-
rect, inserted on a frontal prominence, in males 14-jointed, in females
14- or 15-jointed, filiform setaceous, or subclavate, or more rarely
clavate-moniliform, the scape long. Pronotum distinetly visible from
above and narrowed into a short neck at the junction with the head;
mesonotum usually as broad as long, with deep furrows, rarely entirely
without furrows; scutellum convex, deeply foveated at base; meta-
thorax short, usually carinated, rarely spined, posteriorly truncate
oremarginate. Front wings with a closed costal cell, a single basal
cell, and a radial or marginal cell, the’ latter either closed or open, with
a branch of a vein interstitial with the second abscissa of the radius
and extending backwards into the discoidal field of the wing; it is
quite rare for the marginal cell to be entirely wanting; hind wings always
withabasal cell. Apterousformsrare. Abdomen distinctly petiolated,
oblong-oval, ovate, conic-ovate, or pyriform, and composed of from 3 to 8
segments, the second segment always large. Legs rather long and
Slender, the tibial spurs 1, 2, 2, the tarsi long, slender, 5-jointed, claws
simple.

An extensive and but slightly studied group, closely related to the
Diapriine and formerly confused with them. A Belytid may, however,
always be distinguished from a Diapriid by having a distinet basal cell
in the hind wings, and by the 3-jointed labial palpi; also, except in a
few cases, by the venation of the front wings, which have a distinct
basal cell and usually a distinct marginal cell.

The exotic genus Monomachus Westwood, at present placed with the
Evaniide, should probably be placed in this group; but as the genus
is known to me only from the description I can not tell positively with-
out Seeing specimens for study.

Nothing is known of the habits of the species composing this group,
although Nees von Esenbeck and others believe they undergo their
transformations within the larvie of Diptera that inhabit fungi. From
their close structural resemblance to the Proctotrypine this supposi-
tion is probably correct.

Our entomologists should give more attention to the rearing of
insects infesting fungi, not only for the purpose of throwing light upon
the obscurity that enveils these insects, but upon those of other groups,
and it is hoped the near future will bring forth some results from those
so situated as to make observations upon fungi-feeding insects.

346 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.
The following table includes all the genera at present known to me: |

TABLE OF GENERA.

FEMALES.
Antennss: 14-jointed iia... ct. cca cess eace a anleeeis elmore etna sie tera fe merate aie ate eae 7
Antenne 15-jointed.
Abdomen with 7 or 8 dorsal segments......--..-..------------- death detee Sri en
Abdomen with 3 or 4 dorsal segments.
Marginal vein as long as, or scarcely longer than, the marginal cell..-..... 2

Marginal vein more than twice as long as the marginal cell.

MACROHYNNIS Forster.
First funiclar joint nearly as long as all the rest together, the intermediate joints
transverse-moniliform...--...-..---::.---.---.--DIPHORA Forster.

First funiclar joint not unusually lengthened.
Abdomen with 3, seldom with 4 dorsal segments, the second not greatiy length-
ened, the third long and strongly compressed laterally ; marginal vein
not shorter than the marginal cell; antennz filiform, pubescent, the
foniglarj ont allslong sass: eee ase ee LEPTORHAPTUS Forster.
Abdomen with 3 segments, the second very much lengthened, almost reaching
to tip of abdomen, the third issuing from it like a short stylus;
marginal vein usually distinctly shorter than the marginal cell;
antenne filiform, pubescent, the 5 or 6 terminal joints oval, the
Odes: LONG Sams ew Sx cere per a ee rele eiee es Mriora Forster.
3. Abdomen with 7 dorsal segments; antenne clavate-moniliform, the first funiclar
joint slightly longer than the pedicel, all others to the last monili-
form, the last enlarged, oval; first abscissa of radius straight, or at

bo

Jéast not very obliques... -.5-cs. eee Sie secs ACROPIESTA Forster.
Abdomen with 8 dorsal segments.
DERI 5 eT se ee eee sivas ste atc) -e mate eee 6
Eyes hairy.
Middle carina of metathorax not divided..-.-. ofA devde Saleehs = Steemieeee eens Bees
Middle carina of metathorax divided, or wanting...-..-.--.--- BELYTA Jurine.
4, Postscutellum with a strong thorn or spine........-...---.---- OXYLABIs Forst.

Postscutellum without a thorn or spine.
Third dorsal segment of abdomen not, or very little, longer than the fourth. ..5
Third dorsal segment of abdomen much longer than the fourth.

Mandibles short, small; marginal vein as long as marginal cell; antennz
filiform, pubescent, the last flagellar joint more than twice as
long: as'thiclegss. Sis22 eee tamer ine aera es CINETUS Jurine.

Mandibles long, faleate; marginal vein shorter than the marginal cell; last
funiclar joint not more than twice as long as thick.

XENOTOMA Forster.

5. Marginal cell closed.

First abscissa of radius straight from the margin, shorter than the marginal
vein; funiclar joints only slightly shortened toward the tips of

ANODE + a= see ates eee evar ee erence ZELOTYPA Forster.

First abscissa of radius oblique, longer than the marginal vein; funiclar
joints strongly shortened toward the tips of antenne, much wider

Pha nWOn eee see eee eee aye eee ete eee tae eet PANTOCLIS Forster.

Marginal cell open.

Stigmal and postmarginal veins much shortened, the stigmal given off at almost
RNG OF he LO tare orale ee ete an elie eee oe ee------ LYGOTA Forster.

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 347

Stigmal and postmarginal veins much shortened, the stigmal given off at a very ,
oblique angle; antenne clavate, moniliform, the first funiclar joint
only alittle longer than thick and much smaller than the pedicel.

~ ACLISTA Forster.

Stigmal vein very short, with an uncus, marginal vein as long as the basal

neryure, mandibles conical, not rostriform; scape at tip produced

: into a little spine; palpi4-jointed............---- SYNACRA Forster.

6. Mesonotum with 2 furrows; marginal cell long, open; antennie clavate-monili-
form, the first funiclar joint slightly longer than the pedicel.

PsILomMaA Forst.

Mesonotum without furrows.....-..--.----- fates aa iwia Snes cients ISMARUS Hal.
PERO COU Nati bINO yw SLOSS. -\-)- ate ais siafaieie eli a) = ee = a iayeieeies = ANOMMATIUM Forster.

Ocelli present.
Marginal cell distinct, closed; antenn:e filiform or subclavate.
ANECTATA Forster.
Marginal cell scarcely discernible or wanting; antennie subclavate-moniliform,
pubescent, the first funiclar joint smaller than the pedicel.
PANTOLYTA Forst.

MALES.
Petiole of abdomen not, or scarcely, longer than the metathorax.........-.-.. 2
Petiole of abdomen almost twice as.ong as the metathorax.
. Marginal vein twice as long as the marginal cell.--...---.- MACROHYNNIS Forst.
Marginal vein much larger than the stigmal and about as long as the marginal

cell.
Second abdominal segment compressed laterally; petiole smooth above.
Antenne filiform, the scape as long as the first funiclar joint, the latter
strongly emarginated at base ..--...----.-.-- LEPTORHAPTUS Forst.
Antenne filiform, pubescent, the scape not as long as the first funiclar
joint, the latter slightly emarginated at base.-.-...---- Miora Forst.
Second abdominal segment not compressed laterally, the abdomen becoming
more flattened behind the segment; the petiole above more or less
furrowed; scape longer than the first funiclar joint.
CINETUS Jurine.
Marginal vein as long as, or a little longer than, the stigmal, but much shorter

than the marginal cell; mandibles falecate .......X£NOTOMA Forst.
PaeMiddlercarina of metauhorax nob divided\.--2 .....-----s- +22 52---2-s-s202-524 Oo

Middle carina of metathorax divided or absent.
Marginal vein scarcely longer than the stigmal, marginal cell long, postmarginal
vein greatly lengthened; antennee filiform, all the joints long, cylin-

dric, the first funiclar joint emarginate at base... --- BeLyta Jurine

SP LOStSeuellumwithia S6LONP SPINE? . .).0c26 sre cscs oc oe one OXYLABIS Forster.
Postscutellum without a spine.

SPI VeSeMO UE ANY Merecre eto )s aseistclniaicc casino Ree ie eee oot nate emaietncicsost 4

Kyes hairy.
Marginal cell closed.
Seape with the apical margin on one side preduced into a tooth.
Acroptesta Forst.
Scape not produced on one side into a tooth.
Marginal vein not or scarcely longer than the first abscissa of radius, the
latter oblique.
Last ventral segment very straight and punctured.

NTIGETIOL tiloleee mn OLIMal meee eas (2 nels ANIC TATA HOrst.
Anterior tibize bent, with a median spined process....ZYGOTA Forst.

Last ventral segment somewhat bent, not punctured..PANTOCLIS I orst,

348 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Marginal vein at least twice as long as the first abscissa of radius, the lat-
ter straight, in a right angle with the costa or only slightly oblique.
ZELOTYPA Forst.
Marginal cell open, or wanting.
Marginal cell wanting.

Basal vein distinct; antennz filiform, pubescent, the first flagellar joint
twice as long as the pedicel, slightly emarginate at base. .

. PANTOLYTA Forst.
Marginal cell more or less distinctly present.

Marginal cell much lengthened; marginal vein hardly longer than the
first abscissa of radius; antenne filiform pubescent, all the joints
lengthened, the first flagellar joint emarginate at base; anterior
tibiee strongly bent, outwardly produced towards one side into a
COOtMIOR Spm 22 eee ose ee eee ee eee pee ate eee ZYGOTA Forst.

Marginal cell not much lengthened; first abscissa of radius very oblique;
anterior tibiw simple; antenne thick, filiform, densely pubescent,
the first flagellar joint not longer than the second, emarginate at base.

Acuista Forst.
4, Mesonotum with two furrows; marginal cell long, open.

Antennie stout, filiform, the first flagellar joint longer than the second, the
second slightly emarginate at base, the joints after second scarcely
twiceas lone assbhickwsse een p= ae aan meee eee Ps1LomMMA Forst.

Mesonotum without furrows.
Antenne filiform, the first flagellar joint shorter than the second..IsmMArus Hal.

MACROHYNNIS Forster.
Hym. Stud., u, p. 181 (1856).

A genus unknown to me, and the type, if still in existence, has never
been described. Dr. Forster in speaking of 1t says:

In the genus Macrohynnis we have before us, on account of its peculiar venation,
a very striking form which can scarcely be confounded with any other.

The marginal nervure, for instance, is fully twice as long as the rather short
marginal cell, and both combined present exactly the appearance of a plow-share of
simple construction; while the backward directed branch of the radius, if continued
would cross the basal nervure.

All joints in the female antennw are elongate, cylindrical, and so strongly length-
ened as to be readily confounded with those of the male were it not for the excision
of the first flagellar joint and the pointed abdomen, which betray its sex. The
scape is short in both sexes; in the female at the most as long as the first joint of
the flagellum, while in the male it is usually somewhat shorter. The lateral angles
of the metanotum are slightly projecting. The abdominal petiole is longer than the
metanotiun, although not abnormally long, and slightly furrowed above. The second
segment of the abdomen which viewed laterally appears to be slightly compressed,
together with the remaining segments, have a pear-shaped appearance particularly
pronounced in the case of the female, while in the male the tip of the abdomen is
curved downward, giving the apex rather a more blunt appearance. The sutures
between the segments are very fine and the segments themselves are strongly
shortened, so that they are almost transversely linear.

DIPHORA Forster.
Hym, Stud., um, p. 150 (1856).
(Type D. Westwoodii Forster.)

This genus is likewise unknown to me. Dr. Forster, op. cit., p. 141,
mentions as the type, Diphora Westwoodii, but gives no description

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDE. 349

and it has not since, to my knowledge, been described. In his remarks
he has the following to say respecting the genus:

If we consider, alone, the shape of the antennie, we have undoubtedly in the genus
Diphora the most remarkable form in the Belytoidwe. Not only does the scape attain
a considerable length, but the first flagellar joint is also as long as the scape, while
the other joints, with the exception of the last, are very short, being even broader
than long, on account of which the flagellum hasamoniliform appearance; we might
therefore easily be led to the conclusion that the antennie hada double flagellum.
The mesonotal furrows are deep and distinct. The abdomen is composed of three
segments, the petiole is short and stout, the second segment very large, while the
third, which is separated from the second by a distinct suture, attains the length of
the petiole, and from its apex projects a short point or nipple, as if from a tube.
The marginal cell of the wings is completely closed; the marginal vein very short,
even shorter than the stigmal branch, which forms a very acute angle. The post-
marginal vein extends but a short distance beyond the apex of the marginal cell.
The marginal cell is strongly elongated and narrow, the radius of which has a short
blurred and but slightly curved stump, which, in its extension, does not cross the
basal nervure,

LEPTORHAPTUS Ul orster.
Hym. Stud., 11, p. 181. (1856.)
(Type L. abbreviatus Forst.)

Head transverse, the occiput slightly impressed at the middle, not
or indistinctly margined; ocelli 3, prominent, close together in a tri-
angle; eyes rounded, hairy.

Antenne inserted on a frontal prominence, long, filiform, cylindrical
in both sexes, seldom a little thickened toward tips; in 2 15-jointed, the
scape very long, slender, reaching far above the ocelli, as long as the
first two or three flagellar joints together, the pedicel oval, the first
flagellar joint the longest, the following gradually shortening, the last
being a little longer than the penultimate; in é 14-jointed, the first
flagellar joint nearly, or quite, as long as the scape, strongly excised at
base.

Thorax ovate, the mesonotum with two profound furrows, the scutel-
lum convex, broadly foveated across the base, the metathorax longi-
tudinally carinated.

Front wings with the marginal vein reaching the costa at about the
middle of the wing, a marginal vein as long as, or a little longer than, the
triangular closed marginal cell, the latter with a backward directed
vein from the stigmal, and a distinct basal cell.

Abdomen longer than the head and thorax together, composed
apparently of but 3 segments, the petiole being unusually long, body
of 2 conic, ovate, of ¢ pear-shaped.

Legs long, slender, pilose, or pubescent, the tibial spurs more strongly
developed than in Miota.

350 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

TABLE OF SPECIES.
FEMALES,

Body of abdomen black, the tip alone rufous.
Antenne as long as the body, very slender, brownish-yellow, fuscous toward tips,
the second flagellar joint about 5 times as long as thick.
L. CONICUS, sp. nov.
Body of abdomen rufous.
Antenne extend only to the base of the abdomen, rufous, the 7 terminal joints

MOUUMIfOTM 8 Foose setts Leese See eee eae L. RUFUS, sp. nov.

MALES.
Entitely. rufous)..623 icc es hee ees eiae Saeeee ee ace ee eee L. RuFus, Ashm.
Pntirelydblack=s2. -sciaacencs see oe ee eee ee ee eee L. CONICUS, sp. nov.

Leptorhaptus conicus, sp. nov.
(Plate xiv, Fig. 1, 9.)

62. Length, 3 to 4". Black, shining; antenne, mandibles, palpi,
tegule and legs brownish-yellow; the antenne toward tips fuscous; tip
of abdomen rufous. Antenne in ? 15-jointed, as long as the body,
slender, filiform, the scape very long, the pedicel rounded, the first
flagellar joint half the length of the scape, the joints beyond to the last
very gradually subequal, the last a little longer than the penultimate,
thrice as long as thick. In the é the antenne are 14-jointed, the scape
much shorter, the first flagellar joint is about two-thirds the length of
the scape excised at base. Thorax with two furrows, the scutellum with
a deep fovea at base, the metathorax carinated and rugose at the
sides. Abdomen long, conic-ovate, the petiole thrice as long as thick,
fluted. Wings hyaline, the pubescence fuscous, the venation pale brown;
the marginal vein is as long as the marginal cell. In the ¢ the venation
is darker; the petiole is twice as long as the metathorax or four times as
long as thick, slightly narrowed basally and apically, smooth, shining,
with a grooved line at sides and afew punctures above; the body of the
abdomen is pear-shaped, smooth and shining, with 3 grooved lines at
extreme base and pubescent at tip.

Hagirat.—Arlington. Va., and Cedar Point, Md.

Types ¢ 2in Coll. Ashmead.

Deseribed from 42 and1¢.
Leptorhaptus rufus, sp. nov.

é 2. Length, 4 to 4.5°". The 2 is entirely rufous; the antenne, man-
dibles, palpi, tegule and legs pale brownish-yellow, the antenn toward
tips fuscous. First flagellar joint as long as the scape and pedicel to-
gether, excised at base, the following joints to the last, long, cylindrical,
subequal. Mandibles bifid at tips with a large tooth within. Thorax
with two furrows, the scutellum with a large fovea at base which is
itself bifoveated at bottom, the metathorax with three keels. Body of
abdomen long, pear-shaped, the petiole very long, four times as long as
the metathorax or six or more times longer than thick, smooth and

Resa AERTS Mpa cay Nea se Ay Res RFE

(421 GER hh at EIR RENE RM ali eli eine i eb Ce Nth a se

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 351

polished, but with grooved lines along the sides; second segment with-
out grooved lines at base. Wings hyaline, the marginal vein a little
longer than the marginal cell.

The 2 has the head, thorax, and petiole black, the rest of the abdomen
rufous; the abdomen is conic-ovate, the tip curving upwards; the petiole
twice as long as the metathorax, fluted, gibbous towards the base; the
antenne, palpi, tegule, and legs brownish-yellow; the first flagellar
joint much the longest, twice as long as the second.

HapitTatT.—Jacksonville, Fla., and Washington, D.C.

Types 6 ?in Coll. Ashmead.

The 6 was captured in Florida, the 2 near Washington.

MIOTA Forster.
Hym. Stud., 11, p. 131 (1856).

Head subglobose, the occiput slightly emarginate, delicately mar-
gined, ocelli 3, rather close together in a triangle; eyes oval, pubescent.
Antenne inserted on a frontal prominence, in 2 long, filiform or sub-
filiform, 15-jointed, the scape thicker than the flagellum and a little
longer than the first flagellar joint, the second subequal with the first,
the joints beyond to the last gradually becoming shorter and shorter,
the penultimate joint not Jonger than thick, the last longer and a little
stouter; in 6 14-jointed, the scape shorter, not reaching beyond the
ocelli, the first flagellar joint emarginate at base, the following long,
cylindrical.

Maxillary palpi 5-jointed, labial palpi 3-jointed.

Mandibles acute at tips.

Thorax ovate, the angles of the collar acute, the mesonotum with 2
deep furrows, the secutellum convex, with a deep fovea at base,
the metathorax not longer than high, truncate at apex, the truncature
margined and connected with a longitudinal carina on the dorsum.

Front wings with venation as in Leptorhapta, the marginal vein
being rarely longer than the marginal cell.

The type of this genus was not mentioned or described by Idrster.

TABLE OF SPECIES.

AMOMeEnELULOVOL LOW MISH=plGCOUS) 5-5 tse See icine cae aeons Saisie seins 2

Apex of abdomen yellow or pale rufous, otherwise black.
Antenne thickened toward tips, the three penultimate joints about twice as
long as thick, the scape only slightly longer than the first flagellar

OUI I Oe as ee ne Ae ge Sa Li crea a tere othe alse Se M, GLABRA Ashm.
Antenne not thickened toward tips, the joints very gradually shortening, the
scape longer than the first flagellar joint Q ..-.--. M. ANALIS, sp. nov.

2. Abdomen brownish-piceous.
Seape nearly twice as long as the first flagellar joint 9 ..M.COLORADENSIS Ashm.
Abdomen rufo-piceous.
Scape shorter than the first flagellar joint, the latter emarginate at base ¢.
: M, AMERICANA Ashm.

352 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Miota glabra Ashin.
(Plate xiv, Fig. 2, 9.)
Bull. No. 1, Col. Biol. Assoc., p. 12.

2. Length, 2.6". Black, shining, pubescent. Mandibles pale. An-
tenne 15-jointed, cylindrical, a little thickened toward tips, brown,
darker at tips; the scape is only slightly longer than the first flagellar
joint; pedicel long-oval; the joints after the first become gradually
shorter, the three preceding the last about twice as long as thick,
the last fusiform and about twice as long as the penultimate. Thorax
with two grooves. Mesopleura with a transverse groove below the
middle. Seutellum smooth, polished, with a large, deep fovea at base.
Metathorax with 3 delicate keels, the posterior angles a little prom-
inent. Legs brownish-yellow, the posterior pair somewhat rufous.
Wings hyaline, pubescent, the venation brown; the marginal vein is
about as long as the closed triangular marginal cell; the stigmal nery-
ure is straight and less than half the length of the marginal. Abdo-
men black, polished, the apex rufous, the petiole subopaque, fluted,
pubescent beneath.

HABITAT.— West Cliff, Colo.

Type 2 in Coll. Ashmead.

Described from a single specimen, taken by T, D. A. Cockerell.

e Miota analis, sp. nov.

2. Length, 4". Black, shining, sparsely pilose. Antenne and
legs brownish-yellow, the antenne fuscous beyond the middle. Abdo-
men piceous-black, the apex yellow. The antennz are 15-jointed, long,
filiform; the scape is very long, reaching far beyond the ocelli, and
longer than the first flagellar joint; the pedicel small; first flagellar
joint about 6 times as long as thick, the following joints gradually short-
ening, the last longer than the penultimate. Mesopleura with a deep
oblique groove at the middle. Scutellum convex posteriorly, with a
deep fovea at base. Metathorax with 3 keels, the sides hairy.
Wings hyaline, the marginal vein as long as the marginal cell; the first
branch of the stigmal nervure is a little oblique. The petiole of the
abdomen is not quite twice as long as the metathorax, striated; the
second abdominal segment has a long sulcus at base.

HABITAT.—Carolina.

Type in Royal Berlin Museum.

Described from a single specimen, labeled ‘“‘Carolina, Zimmerman.”

Miota coloradensis Ashm.

Psilomma coloradense Ashm., Bull. No. 1, Col. Biol. Assoe., p. 11.

2. Length, 3°". Polished black, pubescent. Eyes almost bare.
Mandibles brown. Antenne filiform, broken at tips, dark-brown above,
yellowish beneath; scape very long, cylindrical, nearly twice as long

ye ates! et = ibaa ee Op BF S4 Ae os aD 2

oar es

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 353

as the first flagellar joint; pedicel] not much longer than wide, narrowed
at base; first flagellar joint about half the length of the scape, the fol-
lowing joints shorter. Thorax with 2 nearly parallel grooves, and be-
tween them anteriorly are 2 abbreviated grooves. Mesopleura smooth,
polished, with a deep depression at the middle, terminating in a large
fovea posteriorly. Scutellum smooth, rounded off posteriorly, and with
a large quadrate fovea across the base. Metathorax smooth, tricari-
nated. Wings hyaline; veins brown; the marginal vein about as long
as the short, triangular, closed marginal cell; the first branch of the
radius is about one-third as long as the marginal vein, straight. Legs,
including the cox, brownish-yellow, the posterior pair slightly obfus-
eated. Abdomen conic-ovate, brownish-piceous, shining; the petiole is
about two and a half times as long as the metathorax, black, opaque,
and fluted.

HABITAT.—West Cliff, Colo.

Type in Coll. Ashmead.

Described from a single specimen captured by T. D. A, Cockerell.

Miota americana Ashm.,

Psilomma americana Ashm., Can. Ent., x1x, p. 197.

é. Length, 3°". Slender, polished black, pubescent. Antenne
and legs pale brownish-yellow, or honey-yellow, the former dusky at
tips. Collar above rufous. Eyes nearly bare. Antenne 14-jointed,
setaceous, as long as the body, pubescent; the first flagellar joint is
fully as long as the scape, excised at basal half, the following joints all
long, but subequal with the first. Metathorax carinated, pubescent.
Wings subhyaline, the venation pale brown, the marginal cell shorter
than the marginal vein, the first branch of the radius straight,
one-third the length of the marginal vein. Abdomen rufo-piceous, the
petiole very long, fully thrice as long as the metathorax or nearly 5
times as long as thick, shining but with grooved lines; body of the
abdomen pear-shaped, very little longer than the petiole.

Hasirat.—Jacksonville, Fla. @

Type in Coll, Ashmead.

ACROPIESTA Forster.
Hym. Stud. 1, p. 131 (1856).
(Type A. collaris Forst.)

Head transverse, or subglobose, the vertex convex, the occiput straight,
margined; ocelli 3, very small, arranged in a triangle; eyes oval, sparsely
pubescent.

Antenne inserted on a frontal prominence; in 2 15-jointed, subcla-
vate, submoniliform, the scape slightly bent, extending beyond the
ocelli, pedicel rounded, first funiclar joint about twice as long as thick,

_ Subeylindrie, narrowed at base, truncate at tip, the joints beyond all sub-

21899—No, 45 23

ab54 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

moniliform, the last very large, fusiform, as long as the two preceding
joints together; in ¢ 14-jointed, filiform, the first flagellar joint not, or
scarcely, emarginate at base.

Maxillary palpi, 4-jointed; labial palpi, 3-jointed.

Mandibles short, acute, with a small tooth within.

Thorax subovoid, the prothorax visible above as a transverse ridge,
produced anteriorly into a slight neck, angles straight; mesonotum
trapezoidal with 2 deep furrows; scutellum convex with a deep fovea
at base; metathorax carinated, with the posterior angles acute.

Front wings pubescent with a basal and a closed marginal cell; the
marginal vein not as long as the marginal cell; the first branch of radius
straight or but slightly oblique; hind wings with a single cell.

Abdomen conic-ovate, the petiole a little longer than thick, tluted;
in ¢ 7-jointed, the second segment very large, third to sixth very short,
the last acute, conical, longer than segments 3 to 6 united.

Legs clavate, pubescent; the middle and hind tibial spurs short and
weak; the tarsi long, slender, the basal jomt more than twice the length
ot the second.

Acropiesta flavicauda, sp. nov.

(PL xty; Pigs 3,9.)

@. Length, 3°". Black, shining, the last abdominal segment yel-
low. Antenne 15-jointed, extending to apex of metathorax, incras-
sated toward tips, rufous, the last joint large, oblong, dark fuscous;
first flagellar joint twice as long as the second, the joints beyond
moniliform. Thorax with two furrows, the seutellum with a large
deep fovea. Metathorax carinated, the sides covered with a fuscous
pubescence. Tegule yellowish. Wings subhyaline, the venation
fuscous, the marginal vein two-thirds the length of the closed marginal
cell, the first branch of the radius slightly oblique. Legs rufous.
Abdomen conic-ovate, black, polished, the petiole not longer than the
metathorax, fluted; the third, fourth, fifth, and sixth segments very
short, the last longer than these united, conical and yellow.

HABITAT.—Ottawa, Canada.

Type in Coll. Ashmead.

Described from a single specimen received from Mr. W. Hague
Harrington.

Acropiesta subaptera, sp. nov.

?. Length, 2.2"". Head globose, black; thorax and abdomen
brownish-piceous; scape, pedicel, and legs brownish yellow. The
whole body is polished, impunctured, and pubescent; the frontal
prominence large; antenne 15-jointed, moniliform, the first flagellar
joint twice as long as the second, cylindric, joints 2 to 5 round, from
here to the last transverse-moniliform. Thorax with two almost par-
allel furrows, very slightly converging toward each other posteriorly;
scutellum convex, with a deep quadrate foyea at base; mesopleurs

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDE. 355

with a smooth cross furrow on the disk; metathorax carinated.
Abdomen longer than the head and thorax together, conic-ovate, the
last segment conical, as long as the third, fourth, fifth, and sixth seg-
ments united, and yellowish, the ovipositor issuing from its tip; petiole
scarcely twice as long as wide, fluted. Wings not fully developed,
extending only to the base of the second abdominal segment, subfus-
cous and very pubescent.

HABITAT.—Marquette, Mich.

Type in Coll. Ashmead. .

Described from a single specimen, taken at the above plaee by Mr.
HK. A. Schwarz.

BELYTA Jurine.
Hym., p. 311 (1807); Forster, Hym. Stud., 1, p. 130, 133 (1856).
(Type B. bicolor Jur.)

Head su globose, the occiput narrowed, rounded; ocelli small, in a
triangle; eyes rounded, hairy.

Antenne inserted on a very prominent frontal projection; in @ 15-
jointed, stout, moniliform or submoniliform, the scape stout, reaching
far above the head, the pedicel rounded, the first flagellar joint obconie,
the following joints to last moniliform or transverse-moniliform, usually
increasing in size toward apex, the last oblong or ovate; in 3 14-jointed,
long, filiform, the scape extending beyond the ocelli, pedicel rounded,
the first flagellar joint about two-thirds the length of the scape, pro-
foundly excised at base, the following shorter, cylindrical, 3 or 4 times
larger than thick.

Maxillary palpi 5-jointed, long; labial palpi short, 3-jointed.

Thorax suboyoid, depressed, the prothorax distinct from above,
rounded before, the angles obtuse; mesonotum with 2 deep furrows;
scutellum not very prominent, subconvex, with a profound fovea at
base, and without lateral grooved lines; metathorax with the middle
carina not extending to the apex, interrupted or broken, sometimes

yanting, posterior angles prominent, acute.

Front wings pubescent, with a basal cell, and usually, but not
always, with an open or imperfectly formed marginal cell; the mar-
ginal vein short; the first branch of radius short, oblique, with a hook
or slight branch at tip; hind wings with one cell.

Abdomen ovate or oblong oval, depressed, 8-jointed, the petiole stout,
seldom twice as long as thick, fluted, the second segment very large,
with a longitudinal sulcus at base; the following segments all short,
the last subtriangular.

Legs rather stout, clavate, pilose, the middle and hind tibiz sub-
clavate; tibial spurs 1, 2,2, the last two short, but stout; tarsi 5-jointed,
the basal joint nearly 3 times as long as the second,

356 BULLETIN 45, UNITED, STATES NATIONAL MUSEUM.

TABLE OF SPECIES.

FEMALES.
Marginal cell closed.
Wings fuscous or subfuscous.
Coxe black, legs honey-yellow.
Elagelliam: fSCOUs: 22/5 acess ae eee eee anes B. MONILICORNIS Ashm.
Coxe and legs brownish-yellow.
Flagellum brownish-yellow, the three apical joints dusky.

Metathorax without a median carina.........--.----- B. FRONTALIS Sp. noy.
Coxe and legs rufous. ,
Metathorax with a forked median carina.........--- B, ERYTHROPUS sp. nov.

Marginal cell open.
Wings hyaline.
Metathorax with a forked median keel. ........-.-.-.-.----- B. TEXANA Sp. Noy.

Belyta monilicornis Ashm.
Bull. No. 1, Col. Biol. Assoc., p. 12.

2. Length, 5°". Robust, black, shining, covered with a fine fuscous
pubescence. Eyes bristly. Mandibles piceous. Antenne 15-jointed,
the flagellar joints after the first moniliform, the first joint about twice
as long as the pedicel; the scape reddish brown, the rest of the an-
tenne dark fuscous. Mesonotal furrows distinct, but not deeply im-
pressed. Scutellum with a large fovea at base. Mesopleura deeply
impressed posteriorly. Metathorax truncate and squared off at apex.
Legs dark honey yellow, the coxie black, the hind femora slightly dusky
above in the middle. Abdomen about as long as the head and thorax
together, smooth and polished; the petiole stout, a little longer than
thick, grooved and hairy above; the second segment, which occupies
the larger portion of the body of the abdomen, has a median longitudi-
nal furrow at base; apex surrounded by sparse, whitish hairs. Wings
subhyaline, pubescent, the marginal cell closed, about twice as long as
the marginal vein, the first branch of the radius or stigmal vein oblique.

HABITAT.—West Cliff, Col.

Type 2 in Coll. Ashmead.

Described from a specimen received from T. D. A. Cockerell.

Belyta frontalis, sp. nov.
(Pl. xiv, Fig. 4, 9.)

?. Length,3"™, Polished black, the abdomen brownish; frontal
prominence very large, half the length of the head. Antenne 15-
jointed, incrassated toward tips, noniliform, brownish yellow, the two
or three apical joints fuscous; scape very long, stout; first flagellar
joint twice the length of the pedicel, the following joints to the last
moniliform, the last oblong. Mandibles, palpi, and legs pale brownish
yellow. Metathorax without a median carina, but with delicate lateral
carine, the disk polished, the apex margined, the lateral angles acute.
Wings subhyaline, the venation pale, the marginal vein one-third

eee ccna ae Ma a oh) tn the ied eae

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDE. 357

longer than the oblique first branch of the radius, the marginal cell
closed, a little longer than the marginal vein. Petiole stout, scarcely
longer than the metathorax, fluted.

HABITAT.—Delaware.

Type 2? in Coll. American Entomological Society.

Described from a single specimen.

Belyta erythropus sp. noy.

Y. Length, 3.4". Black, shining, sparsely pilose; antenne and legs
rufous or reddish-yellow, the flagellum infuscated, the hind cox
black basally. Antenne 15-jointed, moniliform, the first flagellar
joint one-third longer than the pedicel, the joints beyond transverse-
moniliform, very slightly increasing in size toward the apex, the last
conic. Secutellum with a transverse fovea at base. Metathorax with
the middle carina forked at the middle; angles bluntly toothed.
Wings subfuscous; tegule rufous; nervures pale brown; the marginal
vein is not longer than the short, closed marginal cell; the first branch
of the radius or stigmal vein oblique. Abdomen not longer than the
thorax, the sides, apex and beneath, pilose; the petiole is stout, stri-
ate, and finely rugose, a little longer than thick; the second segment
with some grooved lines at base.

HABITAT.—Wisconsin.

Type 2 in Royal Berlin Museum.

Described from a single specimen labeled simply, ‘‘Wisconsin, Kum-
lin.”

Belyta texana, sp. nov.

?. Length, 3.4". Polished black; antennie rufous; legs reddish-
yellow. Antenne 15-jointed, stout, the first flagellar joint only a little
longer than the pedicel, the joints beyond transverse- moniliform, the
lastoval. Seutellum flattened, with a deep fovea at base. Metathorax
finely rugose, the middle keel forked before the middle, the posterior
angles produced. Tegule rufous. Wings hyaline, the marginal cell
open, the marginal vein longer than the stigmal, the latter with a hook.

Abdomen searcely as long as the head and thorax together; the
petiole short, stout, rugose, scarcely longer than thick, and without any
raised lines; base of second segment striated.

HABITAT.—Texas.

Type 2 in Coll. American Entomological Society.

Described from a single specimen.

OXYLABIS Forster.
Hym. Stud., 1, p. 130 (1856).
Lyteba Thoms. Ofy., 1858, p. 180.
(Type O. bisulca Nees. )
Head transverse, a little wider than the thorax, the occiput straight,
not margined: ocelli 3, prominent, subtriangularly arranged; eyes
oval, hairy.

358 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Antenne inserted on a frontal prominence; in ? 15-jointed, submo-
niliform; the scape subrobust, extending slightly beyond the ocelli, cyl-
indric; pedicel oblong; first flagellar joint longer, obconie; the joints
after the fourth, moniliform or submoniliform, the last ovate; in ¢ 14-
jointed, long, filiform, the first flagellar joint about two-thirds the length
of the scape, the following a little shorter, all covered with a short
pubescence.

Maxillary palpi long, 5-jointed, the last joint the longest; labial palpi
short, 3-jointed.

Mandibles short, curved, acute at tip, with a small tooth within.

Thorax as in Belyta, but with a large, acute spine at base of meta-
thorax, the seutellum highly convex, with a furrow at sides, the pos-
terior angles of the metathorax acute.

Front wings pubescent, with a basal cell and a closed marginal cell,
rarely a little open toward apex. The marginal cell is always distinetly
longer than the marginal vein, the stigmal being more or less oblique;
hind wings with one cell.

Abdomen oval or oblong-oval, the petiole stout, fluted, a little longer
than thick (longer and more slender in the ¢), the second segment
very large, occupying most of the surface, suleate at base, the follow-
ing segments very short.

Legs as in Belyta, pilose, the tibial spurs distinct, basal joint of hind
tarsi twice as long as the second.

Oxylabis spinosus Prov.
Gein sooo.)

Aneurrhynchus spinosus Proy., Faun. Hym., 11, p. 560.

Oxrylabis spinosus Proyv., Add., p. 405.

@. Length, 2.5°". Robust, polished black; legs and antenne ru-
fous. Antenne 15-jointed, submoniliform; the pedicel is about half as
long as the first flagellar joint, which is the longest joint; the three fol-
lowing joints longer than thick, the remaining joints moniliform. Meso-
notum with two broad, deep furrows. Scutellum with a deep fovea
at base, posteriorly elevated, convex. Postscutellum with a large,
acute, rufous spine. Metathorax with a central groove, posteriorly mar-
gined, the angles acute. Tegulerufous. Wings fuscous, the marginal
vein long, the marginal cell almost closed. Abdomen oblong-oval, cov-
ered with a grayish pubescence; the petiole broad and stout, hardly
longer than thick, fluted; the second segment very large, with sparse
punctures and channeled or grooved at base, the following segments
very short.

HABITatT.—Cap Rouge, Canada, and Arlington, Va.

Type 2 in Coll. Provancher.

The above description is drawn up from a specimen, agreeing in all
particulars with Proyancher’s description, and collected by myself in
Virginia.

:
4
i

—

2 DS ae re i oh oe Phe call eR eee bP MET BIER, he he

MONOGRAPH OF 'THE NORTH AMERICAN PROCTOTRYPIDA. 359
‘| ’ CINETUS Jurine.
Hym., p. 310 (1807); Forster, Hym. Stud., u, pp. 180, 1388 (1856).

Head transverse, or subglobose, the occiput rounded; ocelli small,
triangularly arranged on the vertex; eyes oval, pubescent.

Antenne inserted on a frontal prominence; in 2 15-jointed, filiform,
or at the most subfiliform, rarely slightly thickened at tips, the scape
long, cylindrical, reaching considerably beyond the ocelli; pedicel small,
rounded, the first Hagellar joint from one-half to two-thirds the length of
the scape; the following joints cylindrical, becoming quite short before
the last, the last a little longer than the penultimate; it is rare that
the joints are moniliform; in ¢ 14-jointed, very long, cylindrical, sub-
setaceous, pubescent, the scape slender, a little longer than the first
flagellar joint; pedicel rounded; first flagellar joint excised at base,
the following joints five or more times longer than thick.

Maxillary palpi 5-jointed; labial palpi 3-jointed.

Mandibles short, curved, with a small tooth within.

Thorax subovoid, the pronotum produced anteriorly into a small,
rounded neck; mesonotum longer than wide, with two furrows; scu-
tellum convex, with a profound fovea at base; metathorax short, cari-
nated, the posterior angles not prominent or produced into a tooth.

Front wings broad, pubescent, with a basal cell, a closed marginal
cell about as long as the marginal vein or longer, the first branch of the
radius shghtly oblique and the postmarginal nervure well developed.

Abdomen conic-ovate, with eight segments, the petiole in both sexes
very long, four or more times longer than thick, the third segment lon-
ger than the fourth.

Legs slender, pilose, the femora subclavate, the tarsi very long, slen-
der, the posterior tarsi longer than their tibivw, the basal joint 24 times
as long as the second, the tibial spurs weak, scarcely discernible.

TABLE OF SPECIES.
FEMALES.

Polished black; abdomen sometimes rufous.
Antenne somewhat thickened toward tips, rufous, joints 8 to 14 transverse-
quadrate.

Marginal cell a little more than twice the length of the marginal vein.

C. RUFICORNIS sp. nov.
Antenne filiform, the flagellum fuscous.

Second flagellar joint two-thirds the length of the first; marginal cell 3 times
the length of the marginal vein; body of abdomen dull rufous
basalllveteee Sos sso 6 ek lad mate esas C. MACRODYCTIUM Ashm.

Second and first flagellar joints equal; lees honey-yellow; abdomen black.

Marginal cell twice as long as the marginal vein; flagellar joints 13 and 14
(fT EU pers eee ek Ney ate eet era ens wisi, Score diane wisi C. MELLIPES Say
Marginal cell thrice as long as the marginal vein; flagellar joint 13 dis-
mM tlhy~lone er) Glia lA ee ieelaceio ste matt eclaintoels << fale C, SIMILIS sp. nov.

360 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.
MALES.

Antenne rufous, fuscous toward tips; legs rufous.
Marginal cell thrice as long as the marginal vein; abdomen rufous, the third seg-
ment not more than twice as long as the fourth.
C. MACRODYCTIUM Ashm.
Marginal cell not thrice the length of the marginal vein; abdomen black, the
third segment about 4 times as long as the fourth.
C. CALIFORNICUS sp. nov.

Cinetus ruficornis, sp. nov.

@. Length,3"". Polished, black; antennz rufous; tegule and legs
brownish-yellow. Antenne 15-jointed, subclavate, the first flagellar
joint a little more than twice as long as the pedicel, the joints beyond
to the eighth gradually subequal, the eighth moniliform, the ninth, tenth,
eleventh, and twelfth, transverse, the last cone-shaped. Metathorax
earinated, the space between the keels smooth, shining. Wings hya-
line, the venation brown, the marginal cell twice as long as the margi-
nal vein, the first branch of the radial vein slightly oblique, a little
shorter than the marginal. Abdomen conic-ovate, the petiole 14 times
as long as the metathorax, fluted, the second segment with a longitudi-
nal suleus at base, the third segment twice as long as the fourth, the
seventh as long as the fourth, fifth, and sixth together, piceous, eighth
very Short, yellowish.

HABITAT.—Arlington, Va.

Type in Coll. Ashmead.

Cinetus macrodyctium, sp. nov.

é@. Length, 3 to 35". Black, polished, pubescent; legs rufous;
abdomen dull rufous, in 2 with the petiole black. Antenne in ? about
as long as the body, filiform, 15-jointed, dark fuscous, pubescent, the
first two joints rufous; first flagellar joint about one-third longer than
the second, the joints beyond to eighth gradually shortening, the eighth
being about half the length of the second; the joints from 8 to the iast
short, all, however, longer than thick, the last longer than the penulti-
mate; in 4 14-jointed, the joints all long, cylindrical; the first three
rufous, the following fuscous; the first flagellar joint is as long as the
scape, and a little longer than the second, excised at base. Wings
hyaline, pubescent, the marginal cell thrice as long as the marginal
vein; the stigmal vein almost straight, about half the length of the
marginal, or a little longer in the é. Abdomen a little longer than the
head and thorax together, the petiole in 6 strongly fluted, about twice
the length of the metathorax, in 2a little shorter; rest of the body
polished, pubescent; the second segment at base with a longitudinal
sulcus.

Habrrar.—Arlington, Va., and West Cliff, Colo.

Types in Coll. Ashmead.

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 361

The 2 of this species was received from Mr. 'T. D. A. Cockerell, from
Colorado, but I have no doubt it is properly correlated with a dé taken
in Virginia, as it agrees in venation and general appearance, although
the color of the abdomen is slightly different.

Cinetus mellipes Say.
(Pl. xiv, Fig. 6, 2.)

Belyta mellipes Say Lec., Ed. Say’s Works, 1, p. 726.

Xenotoma mellipes Ashm. Can. Ent., xrX, p. 199.

Cinetus mellipes Cr. Syn. Hym., p. 250.

?. Length, 2.5™. Polished black, shining, pubescent; antenn
fuscous, the first two joints honey-yellow; legs honey-yellow. An-
tenne 15-jointed, filiform, reaching to the middle of the abdomen;
scape more than twice as long as the first flagellar joint; first and
second flagellar joints equal, 5 times as long as the pedicel; the follow-
ing joints to eighth gradually shortening; from here to the last much
shorter, the thirteenth and fourteenth being only a little longer than
thick, equal, and shorter than the last which is conic. Wings hyaline,
the marginal cell only twice the length of the marginal vein, the venation
fuscous. Abdomen one-third longer than the head and thorax to-
gether, the petiole being more than twice as long as the metathorax,
fluted; the body of abdomen is smooth, shining, covered with sparse
white hairs along the sides, at tip and beneath, the first segment occu-
pying nearly the whole surface, with a longitudinal sulcus at base; the
second is very short, but twice the length of the third; the last conic,
piceous.

HABITAT.—Indiana and Arlington, Va.

Specimens in Coll. Ashmead.

Cinetus similis, sp. nov.

?. Length, 2.8. Polished black, pubescent; scape, pedicel, and
legs honey-yellow; rest of antennze subfuscous. Head transverse,
wider than the thorax. Antenne 15-jointed, tiliform; the seape fully
4 times as long as the first flagellar joint, obclavate, first and second
flagellar joints equal, twice as long as the pedicel or a little more than
3 times as long as thick, the following joints very gradually sub-
equal, the last conical, one-third longer than the penultimate. Wings
hyaline, pubescent, the marginal cell about 5 times as long as the
marginal vein. Abdomen conic-ovate, black, polished, the petiole
opaque, fluted, nearly twice the length of the metanotum, the third
segment short but about twice the length of the fourth.

HABITAT.—Arlington, Va.

Type in Coll. Ashmead.

Allied to C. mellipes Say, but differs in the relative length of the
antennal joints and in having a longer marginal cell.

Cinetus californicus, sp. nov.

6. Length, 2.5"". Polished black, nearly devoid of pubescence, the

362 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

petiole beneath with long, sparse hairs. Antenne fuscous, the scape
and pedicel rufous, yellowish at base, the joints long, cylindrical, the
first flagellar joint the longest. Legs reddish-yellow, paler at articula-
tions. Tegule yellowish. Wings hyaline, the venation dark brown.
Metathorax smooth, shining, carinated. Abdomen black, shining,
depressed, the petiole 24 times as long as the metathorax, striated, the
second seginent striated at the extreme base, with a central longitudinal
sulcus, the third segment nearly as long as all the following together.

HABITAT.—Santa Cruz Mountains, California.

Type in Coll. Ashmead.

Described from a single specimen. The length of the third abdom-
inal segment renders this species easy of identification.

Cinetus nasutus Proy.
Add. et Corr., p. 178; Cress., Syn. Hym., p. 251.

@. Long. 15 pee. Noir avee les pattes roux-jaundtre. La face prolongée en
museau dans sa partie inférieure. Téte subglobuleuse; les antennes fortes, de 15-
articles, le 1°" tres long, les derniers granuleux, s’épaississant insensiblement en
massue, quelque peu brunatre. Thorax rétréci en avant, les sillons parapsidaux du
mésonotum profonds, le divisant en 3 lobes. Ailes hyalines, velues, & radiale trés
petite, la nervure stigmatique en voyant un rayon vers la base de Vaile. Pattes dun
beau jaune-miel, sans aucune tache. Abdomen 4 pédicule fort et assez allongé,
scabre, le reste en oval, déprimé, poli, le 2° segment tres grand avec une petite
fossette 4 la base. (Provancher.)

HABITAT.—Ottawa, Canada.

Type in Coll. Provancher.

Not recognized, and probably not a true Cinetus.

XENOTOMA Forster.

Hym. Stud., 1, p. 129 (1856).
Acoretus Hal., Nat. Hist. Rev., 1857, p. 169.

(Type XY. bicolor Nees nee Jurine).

Head transverse, the occiput delicately margined behind; ocelli 3,
triangularly arranged; eyes broadly oval, pubescent.

Mandibles large, acute, sickle-shaped, crossing each other at tips.

Antenne inserted on a frontal prominence, filiform or subfiliform, in
2 15-jointed, the 5 or 6 terminal joints very short, the last conic or
ovate, the scape cylindric, a little curved, and swollen at the middle;
the first flagellar joint is about twice as long as thick and a little longer
than the second; in é 14-jointed, the scape not, or scarcely, reaching
beyond the ocelli, the first flagellar joint as long, or nearly as long, as
the scape, excised at base.

Thorax subovoid, the anterior angles of pronotum straight; meso-
notum with 2 furrows; seutellum convex, depressed, and with a deep
fovea at base; metathorax as long as high, carinated, truncate, and
margined posteriorly.

Front wings pubescent, the marginal fringe short, a basal and a closed
marginal cell, the marginal vein never as long as the marginal cell,

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 363

usually about half as long; stigmal vein or first braneh of the radius
slightly oblique.

Abdomen conic-ovate, the tip with a slight upward curve, the petiole
as long as, or a little longer than, the metathorax, distinctly fluted or
striated; the third segment is short, but usually longer than the fourth.

Legs much as in Cinetus, but with the tibial spurs distinct.

This genus is at once recognized by the long faleate mandibles.

The species known to me may be separated as follows:

Head, thorax, and petiole black.

Scape, pedicel, and legs yellow ¢# ......--.:-----..----.-.X. XANTHOPUS sp. nov.
Head, except clypeus, black; thorax and abdomen dull rufous.

Antenne and legs brownish-yellow g ..-...--..------ X. MANDIBULARIS sp. noy.
Brownish; vertex and disk of thorax blackish 9...................X. XANTHOPUS.

Xenotoma xanthopus, sp. nov.

$. Length, 2.4"". Polished black, pubescent; the abdomen reddish-
brown; mandibles, palpi, two basal joints of antennie, and legs bright
yellow; flagellum fuscous. Antenne 15-jointed, setaceous, the seape
very little longer than the first flagellar joint; the first flagellar joint
the longest, slightly excised at base, the joints beyond very slightly
shortening. Metathorax smooth, with a middle carina, the lateral carinze
irregular and broken, descending obliquely toward the posterior coxe.
Wings hyaline, the marginal cell fully two and a half times as long as
the marginal vein. Abdomen as long as the head and thorax together,
pilose beneath, the petiole a little longer than the metathorax with
raised lines.

@. Length, 3™". Brownish, with a fuscous pubescence; vertex of
head and disk of thorax blackish; antennie, mandibles, palpi, and legs
yellow. Antenne 15-jointed, filiform, a little shorter than the body;
seape more than thrice as long as the first flagellar joint; pedicel
rounded; first flagellar joint nearly thrice as long as the pedicel, the
joints beyond to sixth very gradually subequal, joints from sixth to last
hardly longer than thick. Abdomen a little longer than the head and
thorax together, the petiole twice as long as the metathorax, fluted, the
third segment one-third longer than the fourth, the second, with faint
punctures laterally otherwise it agrees with 3.

HABITAT.—New Jersey.

Types in Coll. Ashmead.

Described from 1 ¢ and 1 2 specimen.

Xenotoma mandibularis, sp. nov.
(RI ive ie ienOr)

6 2. Length, 2.5°". Polished, pubescent; head black, the thorax
and abdomen varies from a blackish or brown to dull rufous, more
especially rufous in the ¢. Antenne and legs pale brownish-yellow.
Mandibles long, sickle-shaped, crossing and extending far beyond each
other at tips. Eyes oval, vertical. Antenne in 2 15-jointed, filiform,

364 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

the first flagellar joint thrice as long as the pedicel, the joints beyond
to the ninth gradually shortened, joints tenth to thirteenth about
equal, a little longer than thick; in ¢ 14-jointed, filiform, the first flag-
ellar joint excised at base, about two-thirds as long as the scape, all
the joints beyond long, cylindric, subequal. Metathorax short, abrupt,
and keeled, the posterior angles subacute. Wings hyaline, the mar-
ginal cell scarcely twice as long as the marginal vein, the stigmal
Slightly shorter than the marginal. Abdomen ovate, depressed, the
petiole slightly more than twice as long as the metathorax, in é fluted,
in 2 with a short striate sculpture but not distinetly fluted or grooved.

HABITAT.—Texas.

Types in Coll. Ashmead.

Described from two specimens.

ZELOTYPA Forster.
Hym. Stud., 1, p. 130 (1856).

Head transverse, the ocelli in a triangle, the eyes oblong-oval, pu-
bescent.

Antenne inserted on a frontal prominence, in ? 15-jointed, filiform,
cylindrical, the last joint enlarged, fusiform, the scape long, slender,
extending far above the ocelli; in ¢ 14-jointed, the scape extending —
scarcely beyond the ocelli, the first flagellar joint about two-thirds the
length of the scape, excised at base.

Mandibles meeting at tips, bifid.

Thorax subovoid, the anterior angles of pronotum straight; meso-
notum with 2 furrows; scutellum convex, with a deep fovea at base;
metathorax carinated, the posterior angles not prominent.

Front wings with a basal and a closed marginal cell, the latter large,
much larger than the marginal vein, the marginal vein being usually —
shorter than half the length of the marginal cell; stigmal or first —
abscissa of radius straight, at a right angle with the margin.

Abdomen ovate, the petiole not or scarcely longer than the metano-
tum, strongly fluted or striated.

Legs rather long, pubescent; the anterior tibiz clavate, their tarsi
twice as long as the tibize; middle and hind tibie long, slender, very
little shorter than their tarsi; basal joint of hind tarsi about 3 times —
as long as the second; tibial spurs short. |

The type of this genus has never been described. Our species may —
be thus tabulated:

TABLE OF SPECIES.
MALES.
Antenne TOfOUS.<-. 22-5222 Ssec cas ec hates oo eee es Dee E eee ee ee aeons 3

Antenne blackish or fuscous, the three or four basal joints pale rufous.

Marginal vein shorter than the marginal cell and less than twice as long as the

first branchvof radius s22 5. o2e5 eee eee eee es ee 2

Marginal vein as long as the marginal cell, or 24 times as long as the first branch
of radius.

Legs reddish=yellow<c--2ccc ae eee ee nee eee eee Z. TEXANA, 8p. LOY. ©

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 365

2: Legs brownish-yellow.
Marginal cell 24 times as long as the marginal vein; abdomen brownish or
EUROUSHO AS Alva ese jan ciclo ms <\iz ceteiee ieee cos = Z. LONGICORNIS, sp. noy.
Legs yellow.
Marginal cell hardly twice as long as the marginal vein; abdomen entirely

(Ol ae epee eae eee ita n eros my oie aia) Z. FLAVIPES, sp. nov.
3. Marginal cell and the marginal vein long, about equal in length.
eo Ser eu dist yiellOweteciectre emeitsisesls ems cee == << Z. RUFICORNIS, sp. noy.

Zelotypa texana, sp. nov.

6. Length, 2.5". Polished black, with a glittering pubescence;
antenne fuscous, the three basal joints yellow; legs reddish-yellow.
Face with white pile. Angles of collar acute. Antenne 14-jointed,
filiform, the first flagellar joint thrice as long as the pedicel, very
slightly excised at the base, the following joints shorter, subequal.
Metathorax carinated, pubescent. Wings hyaline, the venation brown,
the marginal cell about as long as the marginal vein, the latter fully
24 times as long as the straight first branch of radius. Abdomen long,
oval, the petiole 24 times as long as thick, fluted.

HABITAT.—Texas.

Type in Coll. Ashmead.

Described from a single specimen.

Zelotypa longicornis, sp. nov.
(Rinse Bigs a.)

é. Length, 3.2"™. Polished black, pubescent; antennze fuscous,
basally yellowish; tegule and legs brownish yellow. Antenne 14-
jointed, filiform, and pubescent, longer than the body, the first flagellar
joint as long as the scape, excised one-third its length at base, the
joints beyond all long, very gradually shortened, the penultimate nearly
5 times as long as thick. Metathorax carinated. Wings subfuscous,
the marginal cell long, 24 times as long as the marginal vein, the latter
4 longer than the stigmal. Abdomen ovate, black, shining, the second
segment rufous basally, the petiole 14 times as long as the metathorax,
or 24 times as long as thick, fluted.

Hapsrrat.—Arlington, Va.

Type in Coll. Ashmead.

Zelotypa flavipes, sp. noy.

6. Length, 2$"". Polished black, sparsely pubescent, more densely
pubescent on the abdomen beneath; antenne dark fuscous, almost black,
the three basal joints rufous; legs pale yellow. Antenne 14-jointed, as
long as the body, the first flagellar joint two-thirds the length of the
scape, excised for nearly half its length basally, the joints beyond grad-
ually decreasing, the penultimate scarcely thrice as long as thick, the
last alittlelonger. Metathorax carinated. Wings subfuscous, the mar-
ginal cell not more than twice as long as the marginal vein, the latter
about twice as long as the straight first branch of radius, Abdomen

366 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

oblong-oval, black, polished, with a glittering white pile beneath, the
petiole more than twice as long as thick, fluted.
HABiratT.—Fort George Island, Fla.
Type in Coll. Ashmead.

Zelotypa ruficornis, sp. nov.

&. Length, 3°". Polished black, covered with a sparse white pubes-
cence; antenne pale rufous; legs reddish-yellow, the tarsi pale. An-
tenne 14-jointed, slender, filiform, as long as the body, the first flagellar
joint a little shorter than the scape, strongly excised half its length
basally, the following joints all long, slightly subequal, about 5 times
as long as thick. Metathorax carinated. Wings subhyaline, the mar-
ginal cell as long as the marginal vein, the latter nearly twice as long
as the stigmal. Abdomen oblong-oval, black, shining, the tip and
beneath with white hairs, the petiole very long, more than twice as long
as the metathorax, or about 34 times as long as thick, tluted.

HABITAT.—Arlington, Va.

Type in Coll. Ashmead.

PANTOCLIS Forster.
Hym. Stud., um, p. 181 (1856).
(Type ? Balyta brevis Nees.)

Head subglobose or transverse, the occiput rounded; ocelli 3, close
together in a triangle; eyes broadly oval or rounded, pubescent. An-
tenn inserted on a frontal prominence; in 2 15-jointed, gradually
thickened toward tips, submoniliform or moniliform; the scape is
stout and extends to or a little beyond the ocelli, or about as long as
the first four or five flagellar joints united; pedicel rounded; the first
flagellar joint a little longer than thick, obeonic; the second and third
short, the following gradually enlarged, moniliform, submoniliform, or
transverse; in é 14-jointed, filiform or setaceous, densely pubescent;
first flagellar joint about two-thirds as long as the scape, excised
basally, the following joints shorter, the three or four joints before the
last less than three times as long as thick, rarely longer.

Mandibles acute with a tooth within, slightly crossing each other at
tips. Thorax asin Zelotypa, the posterior angles of metathorax often
prominent.

Front wings pubescent, with a basal cell and a small triangular
closed marginal cell, the marginal vein short, rarely much longer than
the first abscissa of the radius, the latter oblique.

Abdomen ovate, more rarely oblong-oval, the petiole short, the
second segmen toccupying most of the surface, with a median Jongi-
tudinal suleus at base, the following segments short, about equal; in
the 3 the petiole is longer, about three times as long as thick.

Legs pubescent, the tibial spurs short but distinct.

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID&. 367

TABLE OF SPECIES.

Auaheniacom Ob pOlAGkss a= <\c2 s2a.5, snide sinj< since si05 selects misfate siete aaloinietelaisininicisieteiee tals enie
Antenne black or piceous-black.
Hind coxe black.

[L@ Gs THHMCOMSLS Gs Sopp osod senee Blanes seers ------P. MONTANA, Sp. DOV.
Femora and tibiz more or less black or piceous...........P. PICIPES, sp. nov.
eaeMarcinal vein shorter than the stigmal........ 2.0... 222. 0.2 ee cee ee eens eke

Marginal vein longer than the stigmal.
Legs yellowish.

Seape and pedicel yellowish, flagellum fuscous.

Last joint of antenn enlarged, oblong, about 5 times as long as the pre-
ceding.
Metathorax and abdomen brownish. ..---.------ P. MEGAPLASTA, sp. NOV.

Antenne brewnish-yellow or only fuscous toward tips.

Antenne subclavate, moniliform.
Marginal cell twice as long as the marginal vein, the first branch of
radius only slishtly oblique -.......-..-.---- P. INSULARIS, Sp. nov.
Antenne much incrassated, moniliform.
Marginal cell not louger than the marginal vein, the first branch of
RACKUSEVEL sO DULG UO nore saree oe ae a P. CRASSICORNIS, sp. Nov.
3. Marginal cell about 5 times as long as the marginal vein, the first branch of radius
oblique, twice as long as thé marginal vein.
Legs pale rufous or brownish-yellow.

Antenne rufous, dusky towards tips, the first flagellar joint twice as long as
the pedicel, the following joints moniliform, after the fourth trans-
verse-moniliform.

Abdomen rufo-piceous, the tip reddish-yellow........-- P. ANALIS, sp. noy.
Marginal cell about four times as long as the marginal vein, the first branch
of radius oblique, very little longer than the marginal vein.
Legs pale rufous or brownish-yellow.

Antenne brownish-yellow, slightly fuscous toward tips, the first flagellar joint
twice as long as the pedicel, the following joints all round, monili-
form.

Abdomen black, the apex rufous. ...........-..---- P. RUFICAUDA, sp. nov.

Antenne fuscous, the three basal joints yellow.

Abdomen black, base of second segment above and beneath, rufous; flagellar
joints after the fifth less than twice as long as thick.
p P,. FLAVIPES, sp. nov.
Abdomen entirely black; flagellar joints after the fifth thrice as long as
GaN Cae rcs Sayatns ste = Sel mareowie cele ce tacaa se cis P. COLORADENSIS Ashm.
Marginal cell not more than thrice as long as the marginal vein or shorter, the
first branch of radius oblique.
Antenne and legs rufous, the former incrassated and fuscous toward tips.

First flagellar joint about twice as long as the pedicel, the joints after the
fourth tranverse-moniliform:..-..-.-.-.-.---- P. CALIFORNICA, sp. Nov.

First flagellar joint twice as long as the pedicel, the joints after the third
transverse-moniliform, slightly pedicellate; body brownish-piceous.

P. RUFESCENS, sp. nov
Antenne and legs pale brownish-yellow, the former filiform, dusky toward tips.

First flagellar joint more than twice as long as the pedicel, the joints after the

third equal, not longer than thick. ...--........-...-. P, FLORIDANA.

oe
368 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Pantoclis montana, sp. nov.

$2. Length, 2.5 to 3.2-", Polished black, pubescent; legs rufous,
the hind coxve black. Antenne in? 15-jointed, subclavate, the joints
rounded, the first flagellar joint twice as long as the pedicel, slender
towards the base; the second about half the length of the first, the
joints from the fifth quadrate-moniliform, slightly pedicellate, the last
one-shaped; in ¢ 14-jointed, long, setaceous, the first flagellar joint
two-thirds the length of the scape, excised towards base, the following
joints subequal, the penultimate twice as long as thick, the last one-
third longer. Metathorax with 5 keels, a central, and two parallel
lateral keels; the lateral angles prominent. Abdomen conic-ovate, a
little depressed; the petiole as long as the metathorax, strongly fluted;
the third, fourth, and fifth segments very short, equal; the sixth slightly —
longer; the seventh more than twice as long as the sixth and slightly —
longer than the eighth.

HABITAT.—Santa Cruz Mountains, California and Colorado,

Types in Coll. Ashmead.

Described from several specimens.

Pantoclis picipes, sp. nov.

6. Length, 2.6"". Polished black; antennz piceous-black, the base
of the first flagellar joint pale brown; legs piceous, trochanters, tips of
femora, and tibiz and tarsi, brownish-yellow. Antenne 14-jointed, se-
taceous, as long as the body, the first flagellar joint two-thirds the length
of the scape, the joints beyond shorter, very gradually shortened to the
last, which is a little longer, the penultimate being about thrice as long
as thick. Tegule piceous. Wings subfuscous, the venation brown, the
marginal cell less than twice as long as the marginal vein, the first
branch of radius very oblique and very little shorter than the mar-
ginal. Metathorax with 5 keels. Abdomen smooth, shining, with a
sparse white pile along the sides at tip and beneath, the petiole not
quite as long as the metathorax, channelled.

HABITAT.— Washington, D. C.

Type in Coll. Ashmead.

Pantoclis megaplasta, sp. nov.

@. Length, 2™. Head and thorax black; metathorax and abdo-
men brownish-piceous; antenne fuscous; the scape, pedicel, and legs
pale brownish-yellow. Antenne 15-jointed, filiform, the last joint
enlarged, oblong, about 5 times as large as the penultimate joint, the
first flagellar joint very slightly longer than the pedicel, but slenderer,
the following joints subequal, the 2 penultimates scarcely longer than
thick. Tegule yellow. Wings hyaline, the venation pale brown, the
marginal cell twice as long as the marginal vein, the first branch of
the radius oblique, shorter than the marginal. Metathorax keeled,
brownish. Abdomen brownish-piceous, the tip slightly turned upwards,
the petiole a little more than twice as long as thick, fluted.

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID. 369

HABIrvatT.—Manhattan, Kans.

Type in Coll. Ashmead.

Described from a single specimen received from Prof. EK. A. ?openoe.

The large terminal antennal joint and the color of the abdomen, the
tip curving upwards, readily distinguish the species.

Pantoclis insularis, sp. noy.

62. Length, 2 to2.6™", Polished black, pubescent; antenne and
legs brownish-yellow. Antenne in 2 15-jointed, gradually thickened
toward tips, the last joint cone-shaped, twice as long as the penulti-
mate, scape more than thrice as long as the first flagellar joint, the
jatter twice as long as the pedicel, the joints beyond to the seventh
shortening, from the seventh to the last moniliform, wider than long;
in 6 14-jointed, setaceous, fuscous, the first flagellar joint excised at
base, a little shorter than the scape, the latter yellowish, the jeints
beyond subequal. Tegule yellow. Wings hyaline, the venation yel-
lowish, the marginal cell twice as long as the marginal vein, the first
branch of the radius two-thirds the length of the marginal. Meta-
thorax with 5 keels, smooth on disk. Abdomen black, the tip turned
upwards, the second segment basally and the sixth rufous, venter pilose,
the petiole 14 times as long as thick, fluted.

HAsrrat.—Fort George Island, Florida.

Types in Coll. Ashmead.

Described from several specimens.
Pantoclis crassicornis, sp. nov.

6 2. Length,3 to 4. Polished black, and covered with a fuscous
pubescence; antenne, mandibles, and legs rufous. Head in ? longer
than wide, the face with two furrows extending to the clypeus. Antenne
15-jointed, much incrassated, the scape very stout, as long as the
pedicel and first four flagellar joints united, the first flagellar joint about
twice as long as the pedicel, the joints beyond moniliform, after the
sixth transverse-moniliform and slightly pedicellate. Tegulie rufous.
Wings, subfuscous, the venation brown, the marginal cell not longer
than the marginal vein, the first branch of the radius oblique, about
half the length of the marginal. Metathorax flat, keeled, with the pos-
terior angles prominent. Abdomen oblong ovate, depressed, black,
pubescent, as long as the head and thorax together, the second segment
rufo-piceous basally, the petiole stout, about as long as the metathorax.

The ¢ is the smaller, more slender, the head transverse, the antennze
14-jointed, filiform, brown; the scape and pedicel yellow; the flagellar
joints nearly equal in length; the first emarginated at base; none of
the joints are less than 4 times as long as thick.

HaApirar.—Arlington, Va.

Types in Coll. Ashmead.

21899—No, 45——24

370 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Pantoclis analis, sp. nov.
(PIxcy ig. 2505)

@. Length, 3.2". Polished black, sparsely pubescent; antenne
rufous, blackish toward tips; legs brownish-yellow. The frontal promi-
neace beneath is rugoso-punctate. Antenne 15-jointed, thickened to-
ward tips, moniliform; the scape rather stout, twice as long as the pedi-
cel, the joints beyond moniliform, after the second, transverse-moniliform,
the last conic, a little longer than the penultimate. Mesopleura im-
pressed with a large fovea. Tegulee yellowish. Wings subhyaline,
the marginal cell about five times as long as the marginal vein, the lat-
ter shorter than the oblique first branch of the radius. Metathorax
‘arinated. Abdomen rufo-piceous, the two last segments reddish-—
yellow, the seventh and eighth segments about equal, as long as the
third, fourth, and fifth united; the spiracles distinct; the petiole stout,
as long as the metathorax, fluted.

HAsrirat.—Washington, D, C.

Type in Coll. Ashmead.

Deseribed from a single specimen captured by E. A. Schwarz.
Pantoclis ruficauda, sp. nov.

?. Length, 3°". Polished black; the apex of abdomen with long
white hairs, the last segment conically pointed, reddish; antenne and
legs brownish-yellow, the former dusky toward tips. Antenne 15-
jointed, filiform-moniliform, the first flagellar joint twice as long as the
pedicel, the joints beyond to the last, equal, moniliform, scarcely wider
than long, the last cone-shaped, a little longer than the penultimate;
metathorax carinated. Tegule yellow. Wings subhyaline, the mar-
ginal cell hardly 5 times as long as the marginal vein, the latter very
slightly shorter than the oblique first branch of the radius. Abdo-
men conic-ovate, black, highly polished, the last segment conically
pointed, twice as long as the seventh, the sixth a little shorter than
the seventh, but taice as long as the fifth, the petiole as long as the
metathorax, not longer than thick, fluted.

HABirat.—Arlington, Va.

Type in Coll. Ashmead.

Described from one specimen.

\

Pantoclis flavipes, sp. nov.

2. Length, 2.5°". Polished black, pubescent; antenne and legs
bright yellow, the former after the first flagellar joint slightly fuscous;
mandibles and clypeus rufous. Antenne 15-jointed, subfiliform, the
first flagellar joint two-thirds the length of the scape, or thrice as long
as the pedicel, the joints beyond to the seventh subequal, beyond short,
not, or scarcely, longer than thick. Metathorax carinated. Tegul yel-
low. Wings subhyaline, the venation brown, the marginal cell 4 times
as long as the marginal vein, the latter slightly shorter than the oblique

MONOGRAPH OF 'THE NURTH AMERICAN PROCTOTRYPIDE. 371

first branch of the radius. Abdomen black, pubescent beneath and
at tip, the second segment rufous toward base, both above and be-
neath, the petiole shorter than the metathorax, not longer than thick,
striated, segments third, fourth, fifth, and sixth short, equal, seventh
twice as long as the sixth and a little longer than the eighth.
HABITaT.—Arlington, Va.
Types in Coll. Ashmead.

Pantoclis coloradensis Ashm.

Zelotypa coloradensis Ashm., Bull. No. 1, Col. Biol. Assoc., p. 12.

@. Length,3™™. Subrobust, polished black, pubescent. Face with
a deep impression just above the clypeus. Eyes pubescent. Antenne
brownish-yellow, the flagellum fuscous; the scape is nearly twice as
long as the first flagellar joint; pedicel globular; first flagellar excised
for one-third its length basally; the following joints shorter, about
thrice as longas thick. Thorax with 2 furrows, converging posteriorly ;
mesopleura impressed across the disk; scutellum convex, with a deep
fovea across the base; metathorax short, carinated. Legs brownish-
yellow, the posterior cox dusky at base. Wings hyaline, pubescent,
the venation pale brown; the marginal vein is only one-third the length
of the marginal cell, the first branch of the radius about as long as the
marginal, oblique.

Hapirat.—West Cliff, Colo.

Pype in Coll. Ashmead.

Described from one specimen received from T. D, A. Cockerell.

Pantoclis californica, sp. nov.
(Pl. xv, Fig. 2a, ¢ antenna.)

62. Length, 2 to 2.2™". Polished black; antenne, mandibles,
tegule, and legs rufous, the former dusky toward tips. Antenne in
? 15-jointed, clavate, monilifori, the first flagellar joint twice as long
as the pedicel, the joints beyond moniliform, after the fourth, trans-
verse-moniliform; in ¢ 14-jointed, filiform, pale brownish; the first
flagellar joint about as long as the scape, excised at base, the joints
beyond very gradually shortening, the penultimate a little shorter than
the last, 25 times as long as thick. Metathorax caringted, the posterior
angles projecting. Wings subfuscous;-the marginal cell about thrice
as long as the marginal vein, the latter two-thirds the length of the
oblique first branch of the radius. Abdomen conic-ovate, polished
black; the petiole as long as the metathorax, fluted; segments third,
fourth, and fifth, very short, equal; sixth a little longer; seventh and
eighth about equal, slightly more than twice as long as the sixth; the
eighth rufous.

HABITAT.—Santa Cruz Mountains, California.

Types in Coll. Ashmead.

ate BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Described from 1 4,2 2 specimens. Comes near to P. montana, but
in that species the antenne and hind legs are black, the seventh
vbdominal segment is a little longer than the eighth, and the latter is
black, not rufous.

Pantoclis rufescens, sp. nov.

?. Length, 3". Entirely brownish-piceous; antenne and _ legs,
brownish-yellow. Antenne 15-jointed, subfiliform-moniliform; the first
flagellar joint twice as long as the pedicel, the joints beyond monili-
form; after the third transverse-moniliform, the last one-third longer
than the penultimate. Metathorax short, carinated, the posterior angles
slightly prominent. Wings subfuscous, the marginal cell 25 times as
long as the marginal vein, the latter slightly shorter than the oblique
first branch of the radius. Abdomen conic-ovate, the petiole 15 times
as long as thick, fluted; the segments, 3, 4, and 5 short, equal; the sixth
alittle longer, the seventh thrice as long as the sixth and a little shorter
than the eighth.

Hasirat.—Texas.

Type in Coll. Ashmead.

Described from a single specimen.

Pantoclis floridana, sp. nov.

2. Length, 2.5°". Polished black, pubescent; antenne, mandibles,
tegule, and legs brownish-yellow, the former dusky toward tips. An-
tenne 15-jointed, filiform-moniliform; the first flagellar joint slightly
more than twice as long as the pedicel; the joints after the third equal,
moniliform., Metathorax with 5 keels, the posterior angles not prom-
inent. Wings subfuscous, the marginal cell thrice as long as the short
marginal vein, the latter shorter than the oblique first branch of the
radius. Abdomen oval; the petiole about 1§ times as long as thick,
striated; the segments 3, 4,5, and 6 very short, about equal; the seventh
longer, rufous.

HapBirar.—Jacksonville, Fla.

- Type in Coll. Ashmead.

ZYGOTA Forster.
e Hym. Stud., 1, p. 131 (1856).
(Type Belyta abdominalis Nees.)

Head transverse or subglobose; the occiput straight, delicately mar-
gined behind; ocelli 3, arranged in a curved line, or subtriangularly
arranged; eyes oval, hairy.

Antenne inserted on a frontal prominence; in 6 14-jointed, filiform;
the seape rather short, extending scarcely beyond the ocelli; the
first flagellar joint asJong, or nearly as long, as the scape, deeply ex-
cised at base; in @ 15-jointed, thickened toward tips; the scape long

. MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 373

and stout, reaching beyond the ocelli; the first flagellar joint ob-
conic, longer than the pedicel; the following joints transverse, sub-
moniliform or perfoliated; the last ovate, conical, or oblong.

Maxillary palpi with joints 2 and 3 dilated.

Thorax as in Zelotypa, the posterior angles of metathorax promi-
nent, acute, or toothed.

Front wings pubescent, with a basal cell and a very long, lanceolate
marginal cell, which is usually open at tip; the marginal vein is short,
not or scarcely longer than the stigmal or the first abscissa of the
radius.

Abdomen ovate, slightly pointed at tip; the petiole usually stout, a
little longer than thick, fluted.

Legs similar to Pantoclis, but the anterior tibiw in the ¢is twisted
and armed at the middle with a spine or tooth.

TABLE OF SPECIES.
MALES.

Marginal cell not especially long, closed; the first branch of radius oblique; antenne

Ganlsiis couse ses setet ar ose ost s esa) Z. CALIFORNICA, sp. nov.
Marginal cell long, open; the first branch of radius straight....Z. AMERICANA Ashin.

FEMALES.
First flagellar joint not twice as long as the pedicel.......-.-.- Z. AMERICANA Ashin.
. . . . . e .
First flagellar joint about twice as long as the pedicel-_-......--- Z. TEXANA, Sp. NOV.

Zygota californica, sp. nov.

6. Length,3.5"", Black, shining, covered with a fuscous pubescence.
Antenne 14-jointed, brown-black, extending to the middle of the abdo-
men; the first flagellar joint slightly shorter than the scape, strongly
excised at base; the joints beyond from 34 to 4 times as long as thick, the
last a little longer than the penultimate. Metathorax smooth, shining
between the central and lateral carine. Tegule rufo-piceous. Wings
subfuscous, the venation piceous; the marginal vein is slightly longer
than the oblique first branch of the radius, the marginal ceil closed,

Legs brownish-yellow, the hind cox slightly dusky basally, the an-
terior tibize with a strong spine at about two-thirds its length. Ab-
domen black, polished, with a greyish pubescence beneath; the petiole
twice as long as the metathorax.

HABITAT.—Placer County, Cal.

Type in National Museum.

Described from a single specimen collected by Mr. A. Koebele, in
September.

Zygota americana Ashm.
(Pl. xv, Fig. 3, ¢.)

CambnBinitrs.Xexe, ods

6 2. Length, 3 to 3.5". Polished black, covered with a fuscous
pubescence. Antenne 15-jointed, filiform-moniliform; the first flagel-

374 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

lar joint not twice as long as the pedicel, the three following joints
nearly round, the remaining to the last, transverse-moniliform, sub-
pedicellate, the last cone-shaped. Mesonotal furrows broad, distinct.
Seutellum with a deep depression at base. Metathorax carinated.
Legs, including coxie, honey-yellow, the first joint of anterior tarsi
long, deeply emarginate at base. Wings fusco-hyaline, pubescent, the
venation brown, the marginal cell very long, not quite closed, the mar-
ginal vein very little longer than the first abscissa of radius. Abdo-
men ovate, black, slightly rufous basally, the venter densely pubescent,
the petiole scarcely twice as long as wide, fluted.

The ¢ antenne are 14-jointed, long, filiform, pubescent, the pedicel
rounded, the first flagellar joint about 5 times as long as thick, excised
basally, the following joints shorter. The anterior tibive is twisted and
produced outwardly into a strong tooth or spine, the apical spine long,
curved.

HABItTat.—Ottawa, Canada.

Types in Coll, Ashmead.

Zygota texana, sp. nov.

@. Length, 3°". Black, shining, somewhat densely covered with a
fine fuscous pubescence; the apex of the seventh dorsal abdominal
segment and the last ventral segment, rufous; antenne rufous; tegule
and legs brownish-yellow; palpi and mandibles pale.

Antenne 15-jointed, moniliform, the first flagellar joint about twice
as long as the pedicel, the last oblong, the five preceding transverse-
moniliform. Wings subfuscous, the venation brown, the marginal cell
very long, more than 5 times as long as the marginal vein, the latter
searcely longer than the first abscissa of radius, the latter almost
straight. Metathorax carinated. Abdomen about as long as the head
and thorax together, the petiole along the sides and at apex, and the
venter, densely pubescent, the second segment laterally very finely
punctate.

HABITAT.—Texas.

Type in Coll. Ashmead.

ACLISTA Forster.
Hym. Stud., 1, p. 128 (1856).

Head globose or subglobose, the cheeks usually tull; ocelli 3, small,
in a triangle, not prominent; eyes rounded, pubescent.

Antenne inserted usually on a very prominent frontal projection;
in@ 15-jointed, incrassated or clavate-moniliform; scape stout, reach-
ing far above the ocelli; pedicel smaller than the first flagellar joint,
the latter usually only a little longer than thick; the following joints
all moniliform or transverse-submoniliform, sometimes slightly pedicel-
late; in é long, filiform, 14-jointed, covered with a short, dense pubes-

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 375

cence, the scape reaching beyond the ocelli, the pedicel small, annular,
or rounded, the first flagellar joint lengthened, excised one-third its
length at base, the following joints shorter, the terminal joint usually
shorter than the second.

Mandibles short, arcuated. ;

Thorax subovoid, the pronotum distinetly visible from above, some-
times lengthened, narrowed before; mesonotum with 2 deep furrows;
scutellum subconvex or flattened, with a large fovea at base; metatho-
rax short, carinated, the posterior angles prominent or acute.

Front wings pubescent, with a distinct basal cell and a short, open
marginal cell; the marginal vein is usually very short; the first branch
of radius short, oblique, with a slight uneus from the tip; 2 sometimes
apterous or subapterous.

Abdomen ovate or conic, the petiole longer than thick, a little swollen
in the middle.

Legs pubescent or pilose, the femora clavate, the tibiwe clavate or
subclavate, tibial spurs short but distinct, the basal joint of hind tarsi
3 or more times longer than the second.

TABLE OF SPECIES.

Species black, or at least not entirely rufous or brownish....-........-...---- 2
Species entirely brownish or rufous.

Antenne and legs pale brownish-yellow, the former incrassated toward tips,
the first flagellar joint not longer than the pedicel but much slen-
derer, the joints beyond moniliform, gradually increasing in size.

Three terminal joints pales pedicel much stouter but not longer than the first

fe SOMME ON Ue seperti rarer te ee ees A. RUPA, Sp. Nov.

Three terminal joints black; pedicel stouter and distinctly longer than the

PES tel ace lars OM aes ee ence asec oes A. RUFESCENS, sp. nov.

2. Abdomen entirely black or only slichtly pale at tip .......2--...:-.....--:2--. 3

“Abdomen brownish or rufous, or at least toward the base.
Antenne incrassated toward tips, moniliform, the first flagellar joint longer
than the pedicel.
Metathorax, petiole, and abdomen rufous, the second segment piceous ? ( ¢ ab-
domen except the petiole black)......-- A. RUFOPETIOLATA, Sp. nov.
Metathorax always black, the second abdominal segment alone rufous.
Antennw and legs pale brownish-yellow, the first flagellar joint as long as
the scape, excised basally for two-thirds its length ¢.
A. MISSOURTENSIS, sp. Noy.
3. Antenn:e and legs rufous or brownish-yellow.
Antennme inerassated toward tips, sub-moniliform.
First flagellar joint not longer than the pedicel but slenderer..A.CONICA, sp. nov.
First flagellar joint a little longer than the pedicel and as thick, the following
joints transverse-moniliform.
Abdomen bluntly rounded at tip, the petiole stout, ragose.
, A, RUGOSOPETIOLATA, Sp. NOV.
Antenne filiform-moniliform.
First flagellar joint twice the length of the pedicel; the joints after the fourth
transverse, the last conieal, twice as long as the penultimate.
Abdomen oblong-oval....................A. CALIFORNICA, sp. nov.

O76 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

First flagellar joint one-third longer than the pedicel, the joints beyond the
third moniliform, equal, not wider than long, the last one-third
longer than the penultimate.
Abdomen, pointed ovate: 22: s=-2-.5-e04----=6 A. BOREALIS, sp. nov.

Antenne filiform, the joints long, cylindrical.

First flagellar joint one-third longer than the pedicel, excised at base, the joints

beyond subequal, the penultimate at least thrice as long as thick.
A. FLORIDANA, Sp. Nov.

Aclista rufa, sp. noy.

@. Length, 2.5"", Rufo-piceous, the head dusky or blackish; anten-
wz and legs brownish yellow. Antennie 15-jointed, clavate-moniliform,
the first flagellar joint slender, not quite as long as the pedicel, which is
much stouter, the joints beyond all moniliform and much enlarged
after the seventh, the last oblong. Wings subhyaline, the marginal
cell entirely wanting, the marginal vein about twice as long as thick,
the stigmal represented only by a stump of a vein. Abdomen long,
conic-ovate, the petiole short, not longer than thick, almost smooth,
the seventh segment as long as the fourth, fifth, and sixth united and
slightly longer than the eighth.
HABITatT.—Texas.
Type in Coll. Ashmead.

Aclista rufescens, sp. nov.

@. Length, 3°". Dark brownish piceous, the head almost black;
antenne and legs brownish-yellow, the three or four terminal joints of
the antenn black.

It is close to rufa, but differs in having longer and more slender
antenne, the scape longer and slenderer, the pedicel longer than the
first flagellar joint, while the flagellum is longer, the joints towards apex
not so large or transverse, the four or five terminal joints being black;
the marginal cell is entirely wanting, the marginal vein being puncti-
form, not longer than thick; the abdomen is longer, stouter, and more
pointed, the seventh and eighth segments being equal.

HABITAT.—Santa Cruz Mountains, California.

Type in Coll. Ashmead.

Described from a single specimen.

Aclista rufopetiolata, sp. nov.
(Pl. xv, Fig. 4, 9.)

2. Length, 2.5"", Black, shining, pubescent, the metathorax petiole
apex of abdomen rufous, basal jointof antennz and legs pale rufous.

Antenne 15-jointed, clavate-moniliform, the first flagellar joint is
twice as long as the pedicel, the joints beyond shorter, all moniliform.

Wings fuscous, the marginal cell open, the marginal vein half the
length of the first branch of the radius being only a little longer than
thick, the second branch of radius not developed. Abdomen. pointed

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 377

ovate, the petiole stout, not longer than thick, fluted, the sixth and
seventh segments about equal, the eighth shorter.

HABITAT.— Washington, D, C.

Type in Coll. Ashmead.

Aclista missouriensis, sp. noy.

é. Length, 2.8". Polished black, sparsely pubescent; antenne,
tegule, and legs brownish-yellow. Antenne 14-jointed, rather stout,
cylindrical, the first flagellar joint as long as the scape, the basal two-
thirds excised, the following joints very slightly shortened, about thrice
as longas thick. Metathorax carinated. Wings subhyaline, the mar-
ginal cell partially present, the marginal vein thrice as long as thick,
the first branch of radius oblique and short, the second branch of the
radius present being two-thirds the length of the marginal. Abdomen
black, the second segment toward the base moreor less rufous, the petiole
stout, as long as the metathorax, rugose, with a furrow along the sides.

HABITAT.—St. Louis, Mo.

Type in Coll. Ashmead.

Aclista conica, sp. nov.

?. Length, 2"". Polished black, nearly devoid of pubescence;
antenne and legs rufous. Antenne 15-jointed, clavate-moniliform, the
first flagellar joint much more slender but not longer than the pedicel,
the joints beyond sub-moniliform, transverse after the third, the ter-
minal joint oval, longer than the penultimate. Metathorax carinated.

Wings subhyaline, the marginal cell entirely wanting, the marginal
vein more than thrice as long as thick, the first branch of radius short.
Abdomen conic-ovate, the petiole short, not longer than thick, with
faint raised lines but not distinctly fluted, the sixth and seventh seg-
ments about equal, longer than the preceding segment.

HaAsirat.—Arlington, Va.

Type in Coll. Ashmead.

Aclista rugosopetiolata, sp. nov.

@. Length, 2.6". Polished black, pubescent; the thorax rather flat,
the seutellum with two fovewe at base connected by a grooved line.
Antenne 15-jointed, very stout and inerassated, the scape nearly half
the length of the flagellum, the first flagellar joint a little longer than
the pedicel and as stout, the remaining joints all transverse-moniliform,
the last oval. Metathorax rugose, carinated.

Wings subhyaline, the marginal vein about thrice as long as thick,
the stigmal vein short, oblique, ending in a hook. Abdomen long-oval,
pilose toward tip and beneath, the petiole stout, longer than thick,
rugose and opaque, with a channel along the sides,

Haprrat.—Arlington, Va.

Type in Coll. Ashmead.

378 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.
Aclista californica, sp. nov.

?. Length, 2.5°". Polished black, pubescent; antenne black, the
basal 5 joints rufous; legs rufous, the hind coxe black basally. An-
tenne 15-jointed, moniliform, the first flagellar joint twice the length
of the pedicel, the second shorter than the pedicel, the joints beyond
moniliform, Metathorax carinated, very pubescent. Wings subfuscous,
the marginal vein about twice as long as thick, the stigmal short
oblique with a hook at tip (all that remains of the radius.) Abdomen
oblong-oval, black, the tip and beneath sparsely pubescent, the petiole
as long as the metathorax, strongly fluted.

HABITAT.—Santa Cruz Mountains, California.

Type in Coll. Ashmead.

Described from a single specimen.

Aclista borealis, sp. nov.

?. Length, 2.6"", Polished black, pubescent; antenne and legs
brownish-yellow. Antenne 15-jointed, filiform-moniliform, the first
flagellar joint one-third longer than the pedicel, the joints beyond the
third, except the last, all of an equal size, moniliform, very slightly
wider than long, the last one-third longer taan the penultimate. Wings
subfuscous, the marginal vein about as long as the stigmal, the latter
oblique with a slight branch at tip. Abdomen pointed, ovate, black,
shining and pubescent, the petiole as long as the metathorax, strongly
fluted.

HABITAT.—Ottawa, Canada.

Type in Coll. Ashmead.

Described from a single specimen.

Aclista floridana, sp. nov.

é. Length, 2.6™™. Polished black, pubescent; antennz and legs
brownish-yellow. Antenne 14-jointed, setaceous, the first flagellar
joint a little longer than the scape, excised at base, the following joints
gradually subequal to the last, the penultimate joint being about thrice
as long as thick and shorter than the last. Metathorax smooth, shining,
sarinated, the central carina forked from the middle. Wings sub-
fuscous, the marginal vein a little longer than the oblique stigmal, the
radius (or second branch) partially developed, as long as the stigmal,
and forming an open marginal cell. Abdomen oblong-oval, black,
shining, the tip and beneath with whitish pile, the petiole 14 times as
long as thick, delicately keeled above with a deep channel along the
sides, the seventh and eighth segments of an equal length, longer than
the sixth.

HABITAT.—Jacksonville, Fla.

Type in Coll. Ashmead.

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDZ 379

PSILOMMA Forster.
Hym. Stud., 1, p. 1382 (1856).
Opazon Hal., Nat. Hist. Rev., tv, p. 170 (1857).

Head subglobose, the occiput rounded, the ocelli 3 in a triangle; eyes
oval, bare.

Antenne in 2 incrassated toward tips, submoniliform, the scape long,
the pedicel shorter than the first flagellar joint, the joints beyond trans-
verse-moniliform, the last oblong; in é 14-jointed, filiform, the pedicel
rounded, the first flagellar joint elongate, cylindric, the second shorter,
slightly excised outwardly at base, the joints beyond to the last short,
scarcely twice as long as thick, the last fusiform, longer than the
penultimate.

Mandibles short, pointed, but bifid at tips.

Thorax subovoid, the pronotum anteriorly produced into a slight
neck; mesonotum with two furrows; scutellum convex, with a profound
fovea at base and a transverse, punctate line before the apex; postseu-
tellum flat, rugose; metathorax carinated.

Front wings pubescent, fringed, the marginal vein punctiform, the
stigmal short, witha long radius from its tip, forming a long, lanceolate
marginal cell, which is open at tip.

Abdomen conic-ovate, subdepressed, the petiole long.

Legs long, the femora swollen, clavate, the tibiwe subclavate, the tarsi
shorter than their tibie (except the anterior pair), the basal joint short,
not twice as long as the second.

Forster indicated no type.

Psilomma columbianum, sp. nov.

(Pl. xv, Fig. 5, 95 a, ¢ anetnna.)

a

é 2. Length, 3.6 to 4°". Polished black; antenn and legs rufous;
tegule yellow. Antenne in ? 15-jointed, clavate-submoniliform, the first
flagellar joint a little longer than the pedicel, the following to the last
transverse-submoniliform, the last the stoutest, conic; in ¢ 14-jointed,
filiform, the pedicel small, round, the first flagellar joint the longest,
about 34 times as long as the pedicel, the second slightly shorter, the
remaining cup-shaped, loosely articulated. Thorax narrowed before,
with two broad furrows, the scutellum toveated at base, the metathorax
subquadrate, rugose. Wings subfuscous, the marginal vein puneti-
form, the first branch of radius very short, the second branch visible as
a long fuscous streak, forming a very long, lanceolate, open marginal
cell. Abdomen conic-ovate, pilose beneath and toward tip, black,
smooth, and shining; the petiole long, finely roughened, with a channel
at the sides, the anal segment punctate.

HaAsirat.—Washington, D. C.

Types in Coll. Ashmead and National Museum.

Described from 1 ? and 2 ¢ specimens.

380 = BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

ISMARUS Haliday.
Nat. Hist. Rev., 1v, p. 169 (1857).
Entomius H. Sehf., Nom. Ent., 1
(Type I. dorsiger Curtis.)

Head transverse, much wider than the thorax, the occiput rounded;
ocelli 3, triangularly arranged; eyes rounded, bare.

Antenne in 2 15jointed, submoniliform; in ¢ 14-jointed, filiform,
the fourth joint excised at base.

Maxillary palpi 4-jointed; labial palpi 3-jointed.

Mandibles short, arcuate, bidentate.

Thorax subovate, the pronotum visible from above, the anterior
angles straight; mesonotum without furrows; scutellum convex, mar-
gined at sides and with a fovea at base; metathorax short, rugulose,
the angles unarmed.

Front wings pubescent, with a small, triangular, closed marginal cell
and a basal cell; the marginal vein is longer than the marginal cell.

Abdomen ovate or oval, the petiole short, only a little longer than
thick, the second segment large, occupying about half of the remain-
ing surface, with a median sulcus at base, the following segments
short, about equal.

Legs moderate, pilose or pubescent, the hind tarsi not longer than
their tibiz, the basal joint three times as long as the second.

This genus is not found in our fauna. On PI. xv, Fig. 6, I figure
the male of Jsmarus rugulosus Forst., to give our students some idea of
the genus.

ANOMMATIUM Forster.
Hym. Stud., 11, pp. 180 et 140 (1856).

Head subglobose, without ocelli; the eyes rounded, pubescent.

Antenne inserted on a frontal prominence, in 2 14-jointed, incras-
sated toward tips, the last joint strongly developed, nearly round, and
much thicker than the penultimate.

Thorax as in Aclista.

Wings entirely wanting.

Abdomen ovate or conic, the petiole a little longer than thick.

Legs of moderate length, the femora clavate, the tarsi not especially
long, joints 2 to 4 gradually subequal, the last joint as long as the two
preceding; claws stout.

The type of this genus is not mentioned by Férster and the genus is
not yet recognized in our fauna.

ANECTATA Forster.
Hym. Stud., 11, p. 130 (1856).

Head transverse or subglobose; ocelli 3, close together, in a triangle;
eyes oval, pubescent.

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA, 381

7 Antenne inserted on a frontal prominence, 14-jointed, filiform in both
sexes, or in 2 sometimes slightly incrassated toward tips, the joints, for
the most part, moniliform or submoniliform, the last conic or ovate; in
: the ¢ the joints are cylindrical, the first fagellar joint the longest and
— usually excised at base. *
Thorax as in Cinetus.
2 Wings pubescent, with a basal cell and a closed marginal cell, the
stigmal vein usually oblique (rarely straight), the marginal vein very
short, seldom much longer than the stigmal.
4 Abdomen obovate or conic, the petiole two or three times as long as
thick, the second segment with a longitudinal sulcus at base.
‘ Legs as in Aclista, the basal joint of hind tarsi less than three times
; as long as the second; tibial spurs short, but distinct.
| No type seems to have been described or indicated by Férster, but
the genus is a valid one, readily distinguished by the 14-jointed antennie
in female, and the closed marginal cell.

Only two other genera have 14-jointed antenne in the 2, viz,
Anommatium and Pantolyta; the former is wingless and without ocelli,
the latter winged but without a marginal cell.

TABLE OF SPECIES.

PAU COR ULO poses siateteisic wisiareieyerele Sess Sos eee ie wereeee es aecisesaisscls Cet a gee ohare 2
Hind coxie black; legs reddish-yellow.
Antenne clavate-moniliform, black, the tip of scape and pedicel rufous, 2.
Marginal cell not twice as long as the marginal vein.. A. CALIFORNICA, sp. nov.
Antenne filiform, fuscous, base and tip of scape, pedicel, and base of first flag-
ellar joint yellowish, ¢.
Marginal cell more than twice as long as the marginal vein,
A. POLITA, Sp. noy.
2. Antenne rufous, fuscous taward tips.
‘Antenne filiform, submoniliform, the first flagellar joint thrice as long as the
pedicel, the following subequal, the three preceding the last monili-

; form, 9°.
Marginal cell twice as long as the marginal vein. ..-.-.- A. MIRTIFRKONS Ashm.
P Antenne setaceous, fuscous, yellowish basally, the first flagellar joint a little

shorter than the scape, excised at base, the joints beyond gradually
shortening, the penultimate 2} times as long as thick, 2.
Marginal cell more than twice as long as the marginal vein.
A. GEORGICA, sp. noy.

Anectata californica, sp. nov.

9. Length, 2™". Polished black; tip of scape, pedicel and legs,
rufous or reddish-yellow. Antenne 14-jointed, gradually inerassated
toward tips, moniliform; the pedicel and first flagellar joint of an equal
length; the joints beyond to fifth subequal; joints 5 to 8 rounded; 8 to 11
transverse-moniliform; the last cone-shaped, twice as long as the penul-
timate. Wings subhyaline, the venation brown, the marginal cell less
than twice as long as the marginal vein; the first branch of radius
oblique, about half the length of the marginal. Metathorax carinated.

382 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Abdomen shining black, impunctured, with some sparse pile toward
the apex and beneath; the petiole slightly longer than the metathorax,
strongly fluted. ,

HABITAT.—Santa Cruz Mountains, California.

Type in Coll. Ashmead. ,

Anectata polita, sp. nov.

é. Length,3"", Polished black, pubescent; antenne fuscous, tip of

scape, pedicel, and base of first flagellar joint yellowish; legs brownish-
yellow; the middle and posterior coxie black basally; mandibles rufous.

Antenne broken off at tips, the scape a little longer than the pedi-
cel and first funiclar joint together, the first funiclar joint more than
one-third longer than the second, excised at basal halt.

Wings hyaline, the marginal cell more than twice as long as the mar-
ginal vein; the first branch of radius nearly straight, one-third shorter
than the marginal. Abdomen as long as the head and thorax together ;
the petiole strongly fluted, a little longer than the metathorax, the sec-
ond ventral segment with distinct punctures toward the base.

HABITAT.— West Cliff, Colo.

Type in Coll. Ashmead.

Described from a single specimen received from Mr. T. D. A. Coek-
erell,

Anectata hirtifrons Ashm.
(PLS xW ees, 125)
Can. Ent., xux, p. 198.

?. Length, 3™. Black, shining, pubescent; the faee with rather
dense whitish pubescence; antenne rufous, a little dusky at tips; legs
pale rufous or brownish-yellow. Antenne subfiliform, 14-jointed; seape
slightly bent, nearly thrice as long as the first flagellar jomt; pedicel
not longer than thick; first flagellar joint a little longer than the second,
the following gradually shortened to eighth, the three preceding the last
very slightly wider than long, thelast oblong. Wings hyaline, the pubes-
cence fuscous, the marginal vein one-half the length of the marginal
cell, the first branch of the radius straight, one-half shorter than the
marginal vein. Abdomen a littie shorter than the head and thorax
together, with the tip turned upward, covered beneath and at apex with
av whitish pubescence; petiole as long as the metathorax, strongly fluted.

HABITAT.—Ottawa, Canada.

Type in Coll. Ashmead.

The only specimen I possess or have seen of this species was received
some years ago from Mr. W. Hague Harrington.

Anectata georgica, sp. nov.

é. Length, 34". Polished black, with a sparse white pile; an-
tenn rufous; legs and tegule brownish-yellow. Antenne 15-jointed,

p
of
:

nav? .

ey Sere ee ee) ee

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 383

long, setaceous; the first flagellar joint nearly as long as the scape,
strongly excised at base; the joints beyond shorter, very gradually
shortened; the penultimate joint thrice as long as thick, the last slightly
longer. Metathorax smooth, shining, carinated. Wings subhyaline,
the venation pale brown, the marginal cell 25 times as long as the
marginal vein, the first branch of the radius very oblique, a little shorter
than the marginal vein. Abdomen black, polished, pilose; the petiole
longer than the metathorax or alittle more than twice as long as thick,
strongly fluted.

HABITAT.—Georgia.

Type in Coll. Ashmead.

PANTOLYTA Forster.
Hym. Stud., 11, p. 180 (1856).
(Type Belyta heterocera Hal.)

Head subglobose, the face produced into a ledge for the insertion of
antennie; ocelli minute; eyes rounded.

Antenne inserted on a frontal prominence; in 2 14-jointed sub-
moniliform; the pedicel larger and stouter than the first flagellar joint;
in ¢, filiform.

Maxillary palpi, 5-jointed; labial palpi, 5-jointed.

Mandibles bifid at tips, subrostriform.

Thorax as in Anectata.

Front wings pubescent, with a distinct basal cell, but without a mar-
ginal cell; the marginal vein variable, punctiform, or as long as the
basal nervure.

The radius always short, but slightly developed.

Abdomen conic-ovate, the petiole short.

Legs as in Anectata, the femora and tibiw clavate, pilose.

This genus very closely resembles Polypeza Forster in the Diapriine,
but that genus has no basal cell in the hind wings.
The following species is the only one as yet detected in our fauna:

Pantolyta brunnea, sp. nov.
(Rlgexsvar ations Oe)

?. Length, 2". Light brown to brownish-yellow; antenne and
legs pale brownish-yellow; eyes dark brown, rounded. Head globose,
the face with a prominent frontal ledge for the insertion of antenne,
the occiput rounded; mandibles subrostriform, conical, bifid at tips.
Antenne four-fifths the length of the body, clavate, gradually incras-
sated towards tips, pubescent, the joints, after the sixth, moniliform;
scape long, cylindrical, slightly bent, and nearly half the length of the
flagellum, the apical margin beneath produced into a minute spine;
pedicle oblong, stout; first funiclar joint the slenderest and longest
joint, obconical, about three times as long as thick at tip; second
funiclar joint about two-thirds the length of the first; the third still

384 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

shorter but stouter; all joints beyond moniliform, gradually increasing
in size. Thorax subovate, smooth, shining, trapezoidally narrowed
anteriorly from the tegule; mesonotum about as long as wide across
the base, the parapsidal furrows being distinct, the middle lobe at base
being one-third shorter than at apex; scutellum deeply foveated at
base; postscutellum short with a median carina; metanotum as long as
the scutellum, areolated. Wings hyaline, covered with a long pubes-
cence, the venation pale; the marginal vein is as long as the basal; the
postmarginal not at all developed; the radial vein small, the first ab-
scissa being scarcely twice as long as thick, while the second abscissa
is much longer, and extends forward parallel with the outer margin of
the wing, leaving very little space, so that there is scarcely any trace
of the marginal cell. Legs pilose, the femora and tibiw strongly cla-
rate. Abdomen conic-ovate, the tip conically pointed and curving
downwards; petiole scarcely twice as long as thick.

HABIrTaAT.—Arlington, Va.

Type in Coll. Ashmead.

It bears a close resemblance to Polypeza Pergandei, and without a
careful examination for the cell in the hind wing could easily be con-
fused with that species.

Subfamily X.—DIAPRITN A.

Head globose or subglobose, rarely oblong. Ocelli 3, close together,
and triangularly arranged. Mandibles most frequently short, obtuse,
bidentate at apex, rarely rostriform. Maxillary palpi 4-or 5-jointed;
labial palpi 2-jointed. Antenne porrect, inserted on a frontal promi-
nence, in males 15- or 14-jointed, filiform, nodose verticillate or monili-
form; in females 12- or 135-jointed, and in a single case 14-jointed, clavate.
Pronotum scarcely visible from above; mesonotum rarely longer than
wide, and with or without furrows; scutellum most frequently convex,
and foveated at base; metathorax short, emarginate. Front wings
strongly fringed, most frequently without distinct cellules, the marginal
nervure punctiform or wanting; hind wings never with a basal cell, vein-
less. Apterous forms frequent. Abdomen subpetiolate, rarely with a
very long petiole, ovate, conic-ovate, or oblong-oval, composed of 7 or 8

segments, the second always large. Legs clavate, the tibial spurs.

1, 2, 2, the middle and posterior pairs usually weak; tarsi long, slender,
5-jointed, claws simple.

This subfamily could only be confounded with the Belytine, but the
2-jointed labial palpi, the absence of a cell in the hind wings, and the
less distinctly veined front wings readily separate it. The habitus,
except in a few genera, is also quite different; the frontal prominence
is rarely so distinct, the antenne in the female are shorter, more dis-
tinctly clavate, the venation in front wings quite different, while the
abdomen is, as a rule, less distinetly pointed, and most frequently with
a much shorter petiole.

z
;
;
x
2
é

o

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 385

The only genera, probably, that would give the student trouble in
placing, are Synacra and Polypeza. The first mentioned was originally
placed by Forster in the Belytine, as the venation is more strongly de-
veloped than in any other Diapriid, and the abdomen is shaped as in
many of the Belytids, but there is no basal cell in the hind wings.

Loboscelida Westw., Thes. Ent. Oxon., p. 171, is not included in the
table of genera, as I believe it to be a Cynipid genus.

While comparatively little is yet known of the habits of the greater
number of the Diaprine, from such as have been reared we are justi-
fied in stating the group is parasitic only on Dipterous larvie, as all
carefully bred specimens, both in Europe and America, have been
reared only from these insects. Diapria melanocorypha Ratz. is re-
corded as having been bred from Cryptorhynchus lapathi, and Entomacis
cordipennis Forster from a spider’s nest; but we know now that various
Diptera are found in the burrows of Rhynchophora and other wood-
boring Coleoptera and that certain Diptera, Leucopis, ete., are para-
sites of spiders, and it is safe to infer that these Diapriids came from
Dipterous parasites overlooked by Ratzeburg and Forster.

The group may be divided conveniently into two tribes, as follows:
Submarginal vein reaching the costa at about half the length of the wing or a little

before; if it does not reach the costa it attains nearly half the length
of wing and ends in a stigma; costal cell most frequently closed.
Tribe I—SPILOMICRINI
Submarginal vein never reaching the costa beyond one-third the length of the wing;
costal cell most frequently open, or the subcostal and costal nervures
ALE CONMUOMG eee = see ee el iaeiakstns clone ests secre Tribe II—Diaprunt

Tribe I—SPILOMICRINI.

The longer submarginal vein, that almost invariably reaches the costa
at about half its length, and the closed (rarely open) costal cell can be
depended upon to distinguish the genera in this tribe; it is only in
two genera, Aneurhynchus and Labolips, that the submarginal vein does
not reach the costa, but even in these genera it is long and terminates
in a stigma.

The genera are not numerous and may be synoptically represented
as tollows: ;

TABLE OF GENERA.
FEMALES.

1. Antenne 14-jointed; mesonotum with 2 furrows ...--.-------- POLYPEZA Forster
pAop emcee =y Ole dene eee arate lets alee cteers -fate atte ntel ho tta mlotw> Sud Sees 3
Antenne 13-jointed.

Mesonotum without furrows (rarely slightly developed posteriorly) .--------
Mesonotum with 2 distinct furrows.
Metathorax armed with a long curved spine at base --.---- HopLopria Ashm.
Metathorax not armed at base with a curved spine.
Basal nervure absent or subobsolete.
Abdomen rounded or truncate at tip; costal cell open; stigmal vein often
with a backward directed branch..-.------------- HEMILEXIS Forst.

Abdomen conically pointed; costal cell closed; stigmal vein simple.
PARAMESIUS Westw.

21899—No. 45—25

386 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Basal nervure present.

Abdomen conically pointed, the second segment without sulci at base, over-
lapping the apex of petiole; marginal nervure distinct; costal cell
closed: . $2229. asc 2s ee Bie Racor es SPILOMICRUS Westw.

Abdomen rounded or truncate at apex, the second segment with sulci at
base; marginal nervure very short; costal cell usually open.

HEMILEXIS Forster
2. Basal neryure wanting; stigmal nervure longer than the marginal.
HEMILEXODES Ashm., gen. nov.

3. Submarginal nervure not attaining the costa, ending in a stigma -........----. 5
Submarginal nervure attaining the costa.
Wings witha basal nervure -..-=.-.. 2... Renae Scicrse hos ce ota cela =e eeaeee 4

Wings without a basal nervure,
Mesonotum with 2 furrows.

Clip D2jointedyso¢ ae te tes eee Pee ese eee SYNACRA Forster
Club 4-jointedie. S224 sjacetcin se ae Peele tees eee GLYPTONOTA Forster

4. Mesonotum without furrows.
Club abrupt, 3-jointed; face keeled at the sides..TROPIDOPSIS Ashm., gen. noy.
Mesonotum with 2 furrows.
Clirb b=jointed soe Sc ee tee ecie te natreres ne aoe eer eee eee ee ae Ipioryra Forster
5. Mesonotum with 2 furrows.
Stigma with a stigmal vein; abdomen with 3 sulei at base.
ANEURHYNCHUS Westw.
Stigma withont a stigmal vein; abdomen with a single sulcus at base.
LABOLIPS Haliday
MALES.

Antenne Wasjonbede: soe ee es ne ere ee ee eee ee eee 3
Antenne 13-jointed.
Mesonotium without furrows) ones scs eee pee eee ee eee eee oes re

Mesonotum with furrows.
Metathorax armed at base with « curved spine.
Flagellar joints very long, cylindrical......-- Hopvopria, Ashm., gen, nov.
Metathorax not armed at base with a curved spine.
First flagellar joint not half as long as the second.
Basal vein absent; costal cell closed..-:.--.-:..-.- PARAMESIUS Westw.
First flagellar joint as long or longer than the second,
Mesonotum not longer than wide.
Costal cell open; basal nervure present.
Stigmal vein much longer than the marginal. .... HEMILEXIS Forster.
Mesonotum longer than wide.
Costal cel: closed; basal nervure present.

Abdomenavith suletat base so202s- soe eseeen. See Ip1otyra Forster.
Abdomen without sulci at base ......--....-.-. SPILOMICRUS Westw.

2. Basal nervure present; costal cell closed.
Base of second segment overlapping the apex of petiole ..----- (SPILOMICRUS.)

Basal nervure absent; costal cell open or at least open at base.
Flagellar joints long, cylindrical, pilose, the first longer than the second.
HEMILEXODES Ashm., gen. noy.
3. Submarginal vein not reaching the costa, ending in a stigma........---..----- 4
Submarginal vein reaching the costa.
Basal nervure wanting.
Mesonotum with 2 furrows.

Byes hairy s.S5220), 282 ce Se eee ck le aeons Sea eee SONA GRAS Gna ters
Mesonotum without furrows.
Flagellar joints elliptic-oval........-.:5-.... Tropiporsis Ashm., gen. nov.

4. Stigma with a stigmal vein ..............-.0.-+--------- ANEURHYNCHUS Westw.

j

ep re yea,

-

Pee Be eS il

Ae

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDE. 387

POLYPEZA Forster.
Hym. Stud., 11, p. 123 (1856).

Head globose, rounded before and behind, the occiput not margined ;
ocelli 3, triangularly arranged; eyes rounded, pubescent.

Antenne 14-jointed, inserted on a frontal prominence; in 2 sub-
moniliform, gradually inerassated toward tips; in ¢ filiform, the joints
cylindrical.

Mandibies subrostriform, bidentate.

Maxillary palpi 3-jointed; labial palpi 2-jointed.

Thorax ovate, narrowed into a short rounded collar anteriorly; mes-
onotum with two furrows; scutellum rounded, convex, with a deep
fovea at base; metathorax with a central longitudinal carina.

Front wings pubescent, ciliated, the submarginal nervure reaching
the costa at about half its length, the marginal nervure distinct, post-
marginal and stigmal nervures very minute, scarcely developed; basal
nervure distinct.

Abdomen conic-ovate, petiolated, the petiole as long as the metano-
tui; ovipositor prominent.

Legs clavate, pilose, the tarsi fully as long or longer than the tibie,
5-jointed, the basal joint of hind tarsi fully 3 times as long as the second.

This genus is the only one in the tribe with 14-jointed antennz in
the 2 and closely resembles a belytid, without a marginal cell.

Polypeza Pergandei, sp. nov.
(Pl. xv, Fig. 2, 9.)

$2. Length, 1 to 1.2". Polished black; metathorax, petiole,
and base and tip of abdomen dull rufous, or piceous. Antenne in Q
14-jointed, submoniliform, gradually incrassated toward tips; pedicel
longer and thicker than the first flagellar joint; second and third
flagellar joints shorter than the first, the joints beyond moniliform;
in ¢ 14-jointed, long, filiform, fuscous, the first flagellar joint thrice as
long as the pedicel.

Thorax with 2 distinct furrows; seutellum convex, with a deep de-
pression at base; metathorax short, smooth, but bounded by a carina
behind. Tegule yellowish. Wings hyaline, pubescent, very broad,
and with a long fringe at the margins; the submarginal vein reaches
the costa a little before the middle of the wing; the marginal vein is
rather long, linear; stigmal vein short, with an uncus at tip and a
slight indication of a backward directed branch; basal cell distinct.
Legs honey-yellow, the femora and tibiw slightly infusecated. Abdo-
men conic-ovate, petiolated; the petiole twice as long as thick, striated ;
tlie second segment occupies most of the remaining surface; segments
3 to 6 very short, the seventh conically pointed, longer than segments
3 to 6 united.

HAbirat.—Arlington, Va.

Types in Coll. Ashmead.

-

388 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Described from four specimens.
This interesting species is dedicated to my friend Mr. Theo. Per-
gande, to whom I am indebted for two of the four specimens.

HOPLOPRIA Ashm., gen. noy.
(Type H. pulchripennis Ashm. )

This genus is founded upon a South American species in the Berlin
Museum, and is clearly allied to Paramesius Westwood, but differs in
having a curved acute spine at the base of the metathorax and in hav-
ing only 4-jointed maxillary palpi. The joints of the antenne are also
much longer than any other Diapriid genus.

H. pulchripennis, sp. nov.

é. Length, about 4°". Black; antenne, legs, and abdomen ferru-
ginous, the latter dusky at apex. Head opaque, finely shagreened;
cheeks, prothorax, metathorax, and the petiole beneath, woolly. An-
teunie 13-jointed, longer than the body; the first flagellar joint about as
long as the scape, the second very slightly shorter, the following about
equal, all cylindrical. Thorax smooth, shining, bisuleate; scutellum
with two large deep fover at base; metathorax armed at base with
a curved acute spine. Wings hyaline, with a large smoky blotch ex-
tending from near the base to one-third the length of the wing, having
4 rays; one ray extends to the stigma and another beyond this to the
costal margin, and opposite these are the other two which extend to the
hind margin; there is also a smoky spot at the apex of the wing.

HABITAT.—-Bogota.

Type in Berlin Museum.

HEMILEXIS Forster.
Hym. Stud., u, p. 123 (1856).

Entomacis Forst. loc. cit., p. 121.
Glyphidopria Hal. Nat. Hist. Rey., Iv, p. 172 (1857).

Head transverse or subglobose, the occiput rounded, the cheeks
bare; ocelli 5 small, in a triangle; eyes bare.

Antenne inserted on a slight frontal prominence, 13-jeinted in bi tr
sexes; in 2? submoniliform, incrassated toward tips or clavate; in 4 fili-
forin, the first and second funiclar joints elongate, the second the shorter
and thicker, slightly curved, the following oval or oblong-oval.

Maxillary palpi 5-jointed.

Thorax ovoid, the prothorax produced into a little neck anteriorly,
scarcely visible from above; mesonotum short, rounded before with
two furrows, the furrows sometimes abbreviated anteriorly, but rarely
entirely wanting; scutellum with a moderately deep fovea at base; meta-
thorax short, subemarginate, the angles not acute.

Front wings pubescent, strongly ciliated and often emarginate at apex;

‘
-
t

i

PRI BY Poe weet

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDEH. 389

.
the submarginal vein terminates in a short or punctiform marginal vein
just before the middle of the wing; and there is a distinct oblique stigmai
vein, usually three times as long as the marginal, with sometimes a
distinct backward directed branch; the costal cell is open ana the basal
nervure is present, although faint or subobsolete.

Abdomen long-oval, subtrunecate or but slightly pointed at apex. the
petiole in the 2 is usually short, in the ¢ long; woolly, or pubescent;
the second segment occupies most of the remaining surface and has
sulci at base above.

Legs clavate, pubescent, or pilose, the basal joint of posterior tarsi
twice as long as the second.

Dr. Forster erected the genus Hntomacis upon specimens with a
“heart-shaped piece” cut out of the apex of the front wing, but this
character in itself will not hold to found a genus, and I have here joined
it to Hemilexis, as I can find no other character to separate them. I
have species with emarginate, slightly emarginate, and entire wings,
but in all other essential characters, viz, the 13-jointed antennze and
two furrows on the mesonotum, they agree with Hemilexis, so that if I
have properly identified these genera they should be united.

Nothing is known of the parasitism of the genus, except what Férs-
ter tells us: that he bred specimens of an Entomacis from a spider’s
nest. In all probability the spider was already infested with a Dipter-
ous parasite, Leucopis sp., and the Diapriid came from the Dipteron.

Three species are known to me, separated as follows:

Apex of wings more or less emarginated, stigmal vein longer than marginal.

Antenne yellow, gradually incrassated, moniliform, the Jast joint large, fusiform,
fuscous. 9°.

Legs reddish-yellow; petiole black ...........-.--- H. SUBEMARGINATA, Sp. nov.
Antenne subelavate, submoniliform, the flagellum fuscous. 9.
Legs and petiole, honey-yellow--..--.....-.--.-..---- H. MELLIPETIOLATA, Ashm.

Apex of wings entire, stigmal vein more than twice as long as the marginal.
Antenne filiform, fuscous, the first and second flagellar joints elongate, the second
the shorter and produced toward one side at apex, the following
joints submoniliform. 2.
Legs rufous; trochanters, tibiw, and tarsi yellow ..-.-. H. CALIFORNICA, sp. nov.
Antenne filiform, brownish-yellow, the second dagellar joint a little longer than
the first and third. ¢.
ecsthoneyavellOwisssecene saecacte nn swe cece H. SUBEMARGINATA, sp. nov.

Hemilexis subemarginata, sp. nov.
GhISexavies Hiiotae Or)

2. Length,1.4"". Polished black, impunctured; antenne and legs
reddish-yellow. Head subglobose, well rounded before and behind.
Mandibles rufous, projecting, bidentate at tips. Antenne 13-jointed,
gradually thickened toward tips, the last joint large, fusiform, larger
than the two preceding united; flagellar joints one to four cylindrie,
subequal, the joints beyond to last moniliform, loosely joined. Thorax

390 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

short, rounded before, with two short, abbreviated impressed lines be-
hind, not extending forward to the middle of the mesonotum; scutellum
with a transverse fovea at base; metanotum tricarinate, the truncature
bounded by a carina above, slightly produced at the lateral angles.
Wings hyaline, fringed, slightly emarginated at apex; stigmal nervure
oblique, three times as long as the short marginal; basal nervure sub-
obsolete. Abdomen oblong-oval, truncate at apex, polished, shining;
the petiole a little longer than thick, finely striated; the extreme base
of second segment with some strive.

The ¢ agrees well with the 2 except the mesonotal furrows are a
little longer, the head larger, antenn filiform, the second flagellar joint
a little longer and stouter than the others, the others about three times
as long as thick, while the wing venation is darker, more distinet, the
stigmal vein shorter, with a slight backward directed branch from its tip.

HABITAT.— District of Columbia.

Types in Coll. Ashmead.

Hemilexis mellipetiolata Ashm.
Can. Ent., x1x, p. 196; Cres. Syn. Hym., 251.

2. Length,1"". Polished black, impunctured; scape, legs, and ab-
dominal petiole, honey-yellow; flagelium rust-brown. Antenne 13-
jointed, long, gradually incrassated toward tips; flagellar joints 1 to 5
subeylindric, the following submoniliform. Thorax without furrows,
scutellum foveated at base; metapleura pubescent. Wings hyaline,
strongly fringed, the apex slightly emarginated, the stigma and _ ner-
vures pale yellow, the stigmal nervure much longer than the short
stigma. Abdomen oval, truncate at apex, black, shining, the petiole
long, yellow, about three times as long as thick, finely striated.

HABITAt.—Jacksonville, Fla.

Type in Coll. Ashmead.

Quite distinct from the other species in the long yellow petiole,
absence of mesonotal furrows, pubescent metapleura and in the relative
length of antennal joints.

Hemilexis californica, sp. nov.

é. Length,1.5"". Polished black, impunctate; antennz brown, the
seape and legs yellowish, the hind coxe and thickened parts of
the femora and tibize fuscous or piceous. Head more transverse than
in the preceding species. Mandibles rufous. Antenne 13-jointed,
filiform, the first flagellar joint long, three times as long as the pedicel,
cylindrical, the second stouter and slightly curved and dilated toward
apex, the following joints still shorter, loosely joined, from an elliptic-
oval to moniliform, the last ovate. Thorax with the parapsidal furrows
wanting anteriorly; scutellum with a deep fovea all across the base,
metapleura finely rugose. Wings hyaline, fringed, the nervures pale

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 391

yellow, the stigmal vein oblique, three times as long as the marginal;
basal nervure distinct. Abdomen oblong-oval, truncate posteriorly,
the petiole a little more than twice as long as thick, faintly striated.

HABrratT.—Santa Cruz Mountains, California.

Types in Coll. Ashmead.

Hemilexis brevicornis Say.

Psilus brevicornis Say., Lec. Ed. Say, I, p. 221.

Diapria brevicornis Ashin., Can, Ent., xtx, p. 796; Cress. Syn. Hym., p. 251.

Black, polished, immaculate; tibiw and tarsi piceous.

Inhabits St. Peters river.

Antenne short, first joint much elongated, second joint longer than the remaining
ones, which are subeylindric-quadrate; mandibles pale, testaceous; thorax convex,
rounded, two faint impressed lines each side converging to the scutel and on the
posterior margin two indistinct dull whitish spots; scufel elevated, convex, feet
dark, piceous; thighs nearly black; wings, costal nervure indistinet; abdomen de-
pressed, fusiform, acute attip. Length more than one-twentieth of an inch, (Say.)

This species is unknown to me, but evidently belongs here.

PARAMESIUS Westwood.
Phil. Mag., 1, p. 129 (1832); Forst. Hym. Stud., 1, p. 123 (1856).
Cerapsilon Hal. (?)
(Type P. rufipes Westw.)

Head transverse, the occiput rounded, the cheeks bare; ocelli 3,
distinct in a triangle; eyes oval.

Antenne inserted on a frontal prominence, 15-jointed in both sexes,
in @ gradually incrassated toward tips, clavate, the scape reaching far
beyond the ocelli, slenderer toward the base; pedicel stouter and
longer than the first funiclar joint, narrowed basally; first funiclar
joint only a little longer than thick, a little shorter than the second;
seventh to twelfth wider than long, the thirteenth fusiform or ovate,
more than twice as large as the preceding; in é longer than the body,
filiform, the pedicel and the first funiclar joints about equal, the second
nearly thrice as long as the first, slightly emarginate at base, the
following joints long, cylindrical, four or more times longer than thick.

Maxillary palpi 5-jointed.

Mandibles bifid at tips.

Thorax oblong-oval, narrowed in front, the prothorax transverse,
woolly at the sides; mesonotum with 2 distinct furrows; scutellum
deeply bifoveated at base, the fovee often confluent, forming one deep
fovea, or separated only bya slight carina; metathorax short, emar-
ginated posteriorly, a short conic keel at base, and with the posterior
angles subacute.

Front wings pubescent, ciliated, the costal cell completely closed;
the submarginal vein joins the costa at or a little before the middle of
the wing; the marginal vein is about thrice as long as thick, with a
stump of a stigmal vein; basal vein absent or indistinct.

392 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Abdomen pointed-ovate, the petiole rather long, fluted; the second
segment occupies the greater part of its surface, with sulci at base;
the apical joint pointed, stylus-like.

Legs rather long, pilose, the femora clavate, the posterior tarsi a little
longer than the tibise, or fully as long, the basal joint one-third longer
than the second.

The genus is sufficiently distinct from the other genera with 13-
jointed antenne by the length of the submarginal vein, the absence of
a basal nervure, the more pointed abdomen, the second segment with
sulci at base, and by the antennal characters of the male.

1 am not aware that anything has been published respecting the
habits of the genus, but if my memory serves me rightly I saw speci-
mens of P. rufipes Westw. in the Berlin Museum, reared from Hristalis
tenax, along with Diapria conica.

Our species seem to be quite distinct from the described European
Species, and may be recognized by the aid of the following table:

TABLE OF SPECIES.

FEMALES.

Wings'subhyaline’or tinged! wath fuscous sssssess—s-oe poe = ne eee 2
Wings hyaline.
Antenne honey-yellow or brownish-yellow, clavate-moniliform.
Flagellum twice as long as the scape, the 5 or 6 terminal joints fuscous or
black, the last enlarged, fusiform, more than thrice as large as
as the penultimate; legs brownish-yellow; abdomen entirely

blacks 9554: ee ee en eee P. PARVULUS, Sp. nov.
Flagellum elongated, the last joint only black, globose-ovate; legs honey-
yellow.

Mesonotal furrows complete; abdomen pale at base..-P. TERMINATUS Say.
Mesonotal furrows wanting; abdomen not pale at base..P. CcLAvIrPES Ashm.
Antenne fuscous or black.

Flagelluin 2} times as long as the scape, the last joint fusiform, about thrice
as large asthe penultimate; legs pale reddish, all coxie black,
the femoradusky =- 25-4. eee cee P. UTAHENSIS, sp. nov.

2. Antennie and legs reddish-yellow.
Last four joints of antenne black.

Scutellum with two fovere at base; scapule with a grooved line.

P. SPINOSUS, sp. nov.

Secutellum unifoveate, the fovea crenulate; scapulie without a groove.

P. PALLIDIPES, sp. nov.
MALES.
Wings fusco-hyaline.
Legs, including cox:e, pale brownish-yellow; antenne pale ferruginous.
Pedicel and the first funiclar joints of an equal length, the joints beyond
Slightly more than 4 times as long as thick.
P. PALLIDIPES, sp. nov.
Pedicel a little shorter but stouter than the first funiclar joint, the joints be-
yond very long, several times longer than thick.
P. SPINOSUS, sp. nov.
Wings dark, fuscous.

Legs ferruginous, all coxe and the swollen portion of femora black, the tibize
toward apex more or less fuscous; antenne black, the pedicel
shorter than the first funiclar joint. .P. OREGONENSIS, sp. nov.

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDH. 393

Paramesius parvulus, sp. nov.

om aeneth<l.or. Polished black, impunctured, with some sparse
hairs; antenne, except the five Gr six terminal joints, and legs, honey-
yellow or brownish-yellow; mandibles reddish; palpi white. Anten-
nme 13-jointed, about as long as the body; the flagellum clavate, twice
as long as the scape, the 5 or 6 terminal joints black or blackish, the
last joint being very large, fusiform, as long as the three preceding
joints anited and much stouter; the pedicel is longer and stouter than
the first flagellar joint, the joints beyond submoniliform, gradually
widening toward tips; the penultimate quadrate. Thorax with two
furrows; the scutelium foyeated at base and grooved at the sides;
posterior margin of prothorax at the sides with a row of punctures,
otherwise smooth and polished; metathorax finely rugose, pubescent,
with a prominent acute median carina above. Wings clear, hyaline,
fringed, the submarginal vein pale yellow, reaching the costa at half
the length of the wing; the marginal vein fuscous or brown, twice as
long as thick at tip. Abdomen petiolated, conic-ovate, longer than the
head and thorax united, polished black, the petiole more than twice as
long as thick, coarsely fluted, pubescent beneath, the second segment
fully twice as long as the petiole, apex with sparse, long, white hairs.

HABITAT.—District of Columbia and Arlington, Va.

Type in Coll. Ashmead.

Paramesius terminatus Say.

Psilus terminatus Say, Leconte Ed. Say, 1, p. 778.
Paramesius terminatus Ashm., Can. Ent., X1x, p. 196.
Diapria terminata Cr. Syn. Hym , p. 251.

2. Length, 2.5™", Polished black, impunctured, sparsely pubes-
cent; antennee, except toward apex, and legs honey-yellow; petiole
obscurely rufous. Antenne 15-jointed, the pedicel longer than the
first flagellar joint, funiclar joints 1 to 5 subequal, the first about thrice
as long as thick at apex, the fifth scarcely twice as long as thick, the
joints from here moniliform, the last fusiform, longer than the two pre-
ceding joints united. Thorax with 2 furrows; the scutellum trun-
cate behind, with a quadrate, crenate fovea at base, the mesopleura
below with a few longitudinal strive; metathorax rugulose, pubescent,
with a prominent acute carina above. Abdomen conic-ovate, highly
polished, the tip pointed, piceous, the petiole about twice as long as
thick, striated.

HABITaT.—Bladensburg, Md.

Specimens in Coll. Ashmead.

Paramesius clavipes Ashm.
Can. Ent., Xx, p. 53.
@. Length,2™™. Polished black, impunctured, covered with some

long, Sparse hairs on the head, thorax, and surrounding the apex of
abdomen; the metathorax and petiole beneath rather densely pubes-

394 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

cent; antenne, except the last joint, and the legs honey—or reddish—
yellow. Antenne 13-jointed, subclavate, the first flagellar joint slightly
shorter than the pedicel, the following joints to the fifth subequal,
from thence moniliform, loosely joined, the last joint fusiform, more
than twice the length of the preceding, fuscous or black. Thorax
without furrows, somewhat flat, the sides compressed; collar reddish
laterally; mesopleura entirely smooth; metapleura rugose, the meso-
notal median keel small. Wings hyaline, pubescent, the venation pale
yellow, the marginal nervure short, about twice as long as thick at |
apex. Legs with the femora strongly clavate, the tarsi very long, the
anterior and middle pairs being much longer than their tibie. Abdo-
men pointed or conic-ovate, smooth and polished, the petiole a little
longer than thick, strongly fluted, the second segment with two lateral
impressions at extreme base.

Hapirat.—Ottawa, Canada.

Type in Coll. Ashmead.

Described from a single specimen received from Mr. W. Hague Har-
rington.

Paramesius utahensis, sp. nov.

2. Length, 2.6". Polished black, impunctured, with a sparse cine-
reous pubescence. Antenne two-thirds the length of the body, subela-
vate, black or fuscous, the basal flagellar joints a little reddish, the
pedicel a little thicker but not, or scarcely, longer than the first flagel-
lar joint, flagellar joints 6 to 10 quadrate, the last fusiform, about
thrice as long as the penultimate. Thorax with 2 furrows, abbreviated
anteriorly, the scutellum truncate behind with a large crenate furrow
across the base; mesopleura along the mesopectus longitudinally stri-
ate; metapleura rugulose. Wings hyaline, the marginal nervure
brown, only twice as long as the short stigmal. Legs pale brown, the
cox black, the thickened part of the femora piceous, sometimes with
the posterior tibiz fuscous. Abdomen conic-oyate, polished, black, the
petiole twice as long as thick, fluted and pubescent beneath.

HABITAT.—Utah Lake, Utah.

Types, two 2 specimens, in Coll. Ashmead.

Taken by Mr. E. A. Schwarz, in Utah.

Paramesius spinosus, sp. nov.

9. Length, 3°". Polished black, impunctured, with a sparse cine-
reous pile; antenne, except the 3 terminal joints, and legs, reddish-yel-
low. Antenne 13-jointed, about as long as the body, subclavate,
pubescent, the scape very long, first flagellar joint a little longer than
the pedicel, joints 2 to 5 subequal, the fifth thicker than the preceding
joint, the following joints to the last submoniliform, the last fusiform,
a little thicker and longer than the two preceding joints together.
Thorax with 2 complete furrows, the scutellum truncate at apex with a

MONOGRAPH OF THE NORTH AMERICAN PROCYOTRYPID. 305

grooved line at the sides and bifoveated at base; mesopleura along
the mesopectus rugose or coarsely punctate; metapleura rugulose, pu-
bescent, metanotum with an acute triangular keel just behind the
postseutellum, the posterior angles acute. Wings subhyaline, pubes-
cent, the marginal nervure at least four times as long as thick at tip,
the stigmal vein not longer than wide. Abdomen long, conically
pointed, polished, black, the petiole stout, fluted, 25 times as long as
thick, pubescent beneath.

The ¢ measures but 2™", the antenne being nearly twice as long as
the body, filiform; the pedicel and first funiclar joint both short, the
latter a little longer, the following joints all very long, cylindrical, sev-
eral times longer than thick, as long as the scape, the abdomen pear-
shaped, the petiole 34 times as long as thick, fluted.

HABitat.— Washington, D.C.

Types in Coll. Ashmead.

Described from two specimens. The species is readily distinguished
by the bifoveolated scutellum and the rugoso-punctate surface of the
lower part of the mesopleura. °

Paramesius oregonensis, sp. nov.

&. Length, 4°". Polished black, sparsely pilose, the hairs fuscous.
Head subglobose, the frontal ridge beneath foveated at the middle;
clypeus separated, convex, with a row of punctures at base; mandibles
ferruginous, with some golden hairs and several punctures toward base.
Antenne 13-jointed, filiform, longer than the bedy, black; the pedicel
is a little shorter than the first funiclar joint; the second funiclar joint
is the longest joint, fully as long as the pedicel and first joint united,
and excised at base, the following joints all long, cylindrical, very
slightly shorter than the second. Collar at sides pubescent, meso-
notum with 2 furrows, scutellum with a crenate furrow at base, while the
metathorax is rugose pubescent. Wings fuscous, the submarginal and
marginal nervures black, the stigmal about as long as the marginal.

Legs black, the base of tibiz and tarsi, piceous. Abdomen oblong-oval,
polished, black, the petiole 3 times as long as thick, strongly fluted.

HapitTatT.—Portland, Oregon.

Type in Coll. Ashmead.

Described from a single specimen, collected by Hl. F. Wickham.

Paramesius pallidipes, sp. nov.

(Pl. xvi, Fig. 5, 2.)

6. Length, 2.5™™. Polished black, covered with some sparse, long
hairs. Antenne 13-jointed, longer than the body, cylindrical, pale fer-
ruginous; pedicel and first flagellar joint of an equal length, not halt
as long as the second, the joints after the first about equal, shghtly
more than 4 times as long as thick, the second excised at base. Meso-

396 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

notum with two furrows; scutellum with a deep fovea across the
base, crenulate at bottom; middle carina of metathorax acutely promi-
nent at base. Legs pale, brownish-yellow. Wings fusco-hyaline, the
venation brown, the stigmal about as long as the marginal vein, short;
basal vein indistinct. Abdomen black, smooth, shining, the petiole 24
times as long as thick, coarsely fluted, pubescent beneath.

@. Length, 3°". Agrees well with the ¢, except the antenne are
gradually incrassated toward tips, flagellar joints 1 to 6 gradually short-
ening, the basal joints rather long, the first about as long, but not so
thick, as the pedicel, joints 7 to 9 very little longer than thick, the last
fusiform, stouter and a little longer than the two preceding joints
united.

HABItTAT.—Carolina and District of Columbia.
Type ¢ in Berlin Museum, the ? in Coll. Ashm.

Deseribed from a single é specimen in Berlin Museum, labeled as
having come from Dr. Zimmermann, and 2 ¢ specimens in my collection
taken near Washington.

SPILOMICRUS Westwood.
Phil. Mag., 1, p. 129 (1832); Forster Hym. Stud., 11, p. 123.
(Type 8. stigmaticalis Westw.)

Head transverse or subglobose, the occiput rounded, the cheeks
slightly pubescent; ocelli 3 triangularly arranged; eyes broadly oval.

Antenne inserted on a frontal prominence, 13-jointed in both sexes,
in 2 incrassated toward tips, submoniliform, the scape subclavate ex-
tending beyond the ocelli; pedicel stouter and longer than the first
funiclar joint; in ¢ filiform long, covered with a short, dense pubes-
cence, the pedicel small, rounded, the second funiclar joint usually as
long or longer than the first, the first slightly emarginate at base, the
joints beyond long, cylindrieal.

Maxillary palpi 5-jointed.

Mandibles short, bifid.

Thorax long ovoid, the prothorax visible from above, more or less
woolly, especially at the sides; mesonotum with two furrows often ab-
breviated anteriorly, seldom entirely wanting; scutellum with two
oblong fovew at base, metathorax short, emarginate posteriorly, tri-
dentate.

Front wings pubescent, ciliated, the submarginal vein terminating
in a punetiform marginal vein before the middle of the wing, the costal
cell distinct, closed, the basal vein usually quite distinet; the short
stigmal vein often has a backward-directed branch.

Abdomen oblong-oval, composed of seven segments in the 2 and eight
in the 4, the petiole long, fluted, its apex covered by the projecting
base of the second segment, the second segment occupying most of the
surface and without sulei at base.

TO ewe eee

__
—

-

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDZ. ade

Legs clavate, pilose, the tarsi long, slender, the posterior tarsi with
the basal joint almost twice as long as the second.

Resembles both Paramesius and Basalys; from the former it is distin-
guished by the distinct basal nervure, usually a less distinctly pointed
abdomen and the structure of the second segment, which overlaps the
apex of the petiole and is without sulci at base, while the distinct
mesonotal furrows, longer submarginal vein, and the wholly different
antenne in the ¢ separate it from the latter.

TABLE OF SPECIES.

Scutellum with 2 fover at base.
Scapuleenop separabeds sess ose sais 5 eases ein cnveiereeie s Sats smeiein Seon sees 2
Scapule separated posteriorly.
Q@. Five terminal joints of antenne black, rest of antennae brownish-yellow
or rufous.
Seutellum with a row of 6 large punctures at apex, the shoulders with a

PTOOV CCUM ee es een botnet NC Seeks wale S. ARMAtTUS Ashm.
5 Seutellum with a row of 6 small punctures at apex, the shoulders without
AOTOOV EC elIM Ges — ses 5 alas Soe aeeeroasjee ce S. ATRICLAVUS, Sp. nov.

¢. Antenne and legs brownish-yellow, the flagellar joints long, nearly
equal, the first two a little longer, about five times as long as thick

S. FLAVICORNIS, sp. nov.
2. Coxe and femora black. *

g. Antenne black, first three flagellar joints about equal, the second excised at
base, about four times as long as thick, the following three times as
Hong as UnIChios ose scene 22 cece asc ss: ATROPETIOLATUS Aghm:
?8. FOVEATUS Prov.
?S. LONGICORNIS Prov.
Spilomicrus armatus, sp. noy.

(Blzexavas, Bice, 9)5)

?. Length, 3.1". Polished black, impunctured, with long, sparse
hairs; a tuft of pubescence on cheeks behind, collar at sides and _ peti-
ole beneath, griseous. Antenne 13-jointed, brownish-yellow, the 5 ter-
minal joints black or fuscous; the flagellum is about 24 times as long
as the scape, thickened toward tip, the joints 6 to 10 quadrate, the last
oblong. Thorax with two furrows, the scapule with a long grooved
furrow; scutellum rather flat, with 2 large fovexe at base, grooved lines
at sides, at apex truncate and with a row of 6 large punctures; meta-
thorax with an acute, triangular central carina, the sides pubescent.
The mesopectus has 3 or 4 distinct strive just above the middle coxe.
Wings subhyaline, the stigma rufo-piceous, triangular; basal nervure
wanting, indicated only by a wrinkle in the wing surface. Legs brown-
ish-yellow, the first joint of trochanters long, clavate. Abdomen ob-
long-oval, polished, black, the petiole a little more than twice as long
as thick, strongly fluted, with long, sparse pubescence above and woolly
beneath, the wool extending on to the second ventral segment.

Hapirat.—District of Columbia.

Type in Coll. Ashmead.

398 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.
Spilomicrus atriclavus, sp. noy.

2. Length,3°". Polished, black, impunctured, and agreeing closely
with A. armatus but differs as follows: the five terminal joints of an-
tenn are black, and more abruptly separated from the funicle, the
first four being transverse-quadrate, about twice as broad as long; the
scapulee are without a grooved line; there is a row of 6 small pune-
tures at apex of scutellum; the wings are subfuscous, while the legs
are more distinctly rufous.

HABITAT.—Ottawa, Canada.

Type in Coll. Ashmead.

Described from a single specimen received from Mr. W. Hague
Harrington.

Spilomicrus flavicornis, sp. nov.
(Pl. xvi, Fig. 7 a, Zantenna. )

é. Length,1.4"". Polished black; head twice as wide as thick through
antero-posteriorly, the cheeks oblique. Mandibles and palpi pale. An-
tenn 14-jointed, honey-yellow, about as long as the body; scape as
long as the anterior femora, excluding the trochanters; pedicel longer
than thick; first and second flagellar joints equal, longer than any of
the following; joints beyond to the last moniliform, only slightly longer
than thick, the last joint very little lon ger than the penultimate. Thorax
smooth, with distinct but delicate mesonotal furrows. Pronotum with
an impression at sides just in front of the tegule. Scutellum with the
fovea at base separated into two parts by a delicate carina. Metapleura
finely rugose, scarcely pubescent. Tegule rufous. Wings hyaline,
pubescent, ciliated, the veins yellowish. Legs, including cox, honey-
yellow. Abdomen oval, polished, the petiole nearly thrice as long as
thick, finely sculptured, with a longitudinal furrow above toward the
sides, and very finely, sparsely pubescent.

Hapsirat.—Arlington, Va.

Types in National Museum and Coll. Ashmead.

Described from specimens taken by Mr. Theo. Pergande, July 13, 1884.

Spilomicrus atropetiolatus Ashin.

Ismarus atropetiolatus Ashm., Bull. No. 1 Col. Biol. Assoe., p. il.

2. Length, 2". Black polished, with some long, scattered, sparse,
grayish pubescence, the face, as well as the metapleura and petiole,
more densely pubescent. Face prominent. Eyes bare. Antenne 13-
jointed, black, pubescent, the scape very long, slender, a little more
than twice as long as the third joint; the pedicel short, much less than
half as jong as the third, narrowed at base, the third and fourth joints
of about an equal length, the fifth joint and joints beyond slightly shorter
than the third, and all narrowed at base and of about an equal length.
Thorax smooth, without grooves. Mesopleura smooth, bare, with a
slight furrow a little below the middle, more distinct anteriorly and

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDE. 399

almost obliterated posteriorly. Scutellum smooth, quadrate behind,
the margins delicately keeled, and with two rather deep oblong fovez
at base. Metathorax and metapleura delicately sculptured; the meta-
thorax has a delicate median longitudinal keel, which becomes forked
posteriorly. Legs dark red, pubescent. Abdomen polished, bare, ex-
cept a few hairs surrounding the apex; the petiole is about half the
length of the abdomen, opaque, fluted, and hairy. Wings subhyaline,
pubescent; veins paie brown, the marginal vein black or piceous.

HaAsiratT.—West Cliff, Colo.

Type in Coll. Ashmead.

This species was received from Mr. T. D. A. Cockerell.

Spilomicrus longicornis Proy.
Nat. Can., x11, p. 262; Faun. Ent. Can., 1, p. 561, 9; Cress., Syn. Hym., p. 251.

9.—Long. .lipcee. Noir, poli, brillant; les mandibules, la base des antennes, les
écailles alaires avec les pattes, jaune-roussatre. Antennes longues, un peu plus
épaisses & Vextrémité, noires, roussatres & la base, insérées sur un tubercule frontal.
Thorax plus épais en avant; écusson proéminent avee une petite fossette Ala base.
Ailes hyalines, fringées, velues, la nervure formant la petite cellule radiale, noire,
bien distincte. se prolongeant inféricurement jusqwa la rencontre ou peu s’en faut du
cubitus, point d’autres nervures distinctes & part celles de la base. Pattes longues,
gréles, les cuisses et les jambes légerement renflées, les hanches noires. Abdomen
a pédicule strié, de la moitié de sa longueur environ, le reste en forme de losange,
terminé en pointe, déprimé, poli, brillant. Tariere non apparente. (Provancher.)

HaBrrat.—Canada.
Unknown to me. Judging from the description of the venation, the
species is a Belytid and not a Diapriid.
Spilomicrus foveatus Prov.
Add. et Corr., p. 176; Cress. Syn. Hym. N. A., p. 251.

.—Long. .13 pee. Noir, les pattes et les antennes jaunes-miel. La téte en carré
avec la face renflée jusqu’au milieu, formant une protubérance sur laquelle sont in-
sérées les antennes. Antennes de 13 articles, jaunes, les articles terminaux bruns, le
premier article fort long, les suivants trés courts, poilus, les 445 terminaux épaissis
graduellement en massue. Thorax poli, brillant, beaucoup large en avant, l’écusson
brillant avec une petite fovéole transverse en avant. Ailes velues, fringées, sans
taches n’ayant de bien apparente qu’une petite nervule stigmatique un peu courbé,
(autres nervures moins distinctes formant une cellule brachiale triangulaire. Pattes
@un beau jaune-miel, avec les cuisses et les jambes renflées en massue A l’extrémité.
Abdomen & pédicule court, mais distinct, déprimé & 2° segment trés grand, rétréci
en pointe et poilu a l’extrémité; tari¢re droite, trés courte.

Se distingue surtout du longicornis, par son abdomen a pédicule plus court et ses
antennes plus distinctement en massue. (Provancher.)

HABITAT.—Cap Rouge Canada.
Unknown to me, but evidently not a true Spilomicrus.
HEMILEXODES Ashm., gen. noy.
(Type H. floridana.)

Head subglobose, the cheeks rounded; ocelli 5 small, triangularly
arranged; eyes oval.

400 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Antenne 13-jointed in both sexes, inserted on a slight frontal promi-
nence; in ? incrassated toward tips, submoniliform; in ¢, long fili-
form, the joints long, cylindrical, pilose.

Maxillary palpi 4-jointed.

Thorax subovoid, the mesonotum broader than long, without furrows,
the seutellun subconvex with grooved lines at the sides and a fovea
across the base, the metanotum very short, the posterior face carinated
above.

Front wings pubescent, ciliated, the submarginal nervure reaching
the costa just before its middle, marginal vein punctiform, stigmal
vein distinct, oblique, two or more times longer than the marginal
nervure; basal nervure wanting the postmarginal nervure distinct.

Abdomen oblong-oval, petiolated, the second segment very long, with
sulci at base.

Legs clavate.

Distinguished from Hemilexis in having no mesonotal furrows and
no basal nervure; also by the difference in the male antenne, all the
flagellar joints being long and cylindrical, pilose. -

Hemilexodes floridana, sp. nov.
(PI. xvi, Fig. 8, 9.)

?. Length, 1.5"", Entirely honey-yellow, except the head, which is
brownish. Antenne 13-jointed, the flagellar joints, after the fourth,
round-moniliform. Thorax without furrows; scutellum with a trans-
verse fovea at base; metathorax carinated. Wings hyaline, strongly
fringed, entire, the nervures pale yellow, the stigmal vein long, oblique,
more than 5 times as long as the short marginal. Abdomen oblong
oval, truncate at tip, smooth, polished, the petiole 14 times as long as
thick with raised lines toward the sides.

HABITAT.—Jacksonville, Fla.

Types in Coll. Ashmead.

Other species in this genus are known to me from the West Indies.

SYNACRA Forster.
Hym. Stud., 11, p. 128 (1856).

Chlidonia H. Sch., Forts. Faun. Ins. Germ. Cl. vit.

Artibolus Hal., Nat. Hist. Rey., tv, p. 173 (1857).
(Type Diapria brachialis Nees).

Head subglobose, the cheeks rounded, the occiput scarcely margined ;

ocelli 3, triangularly arranged, rather close together on the crown; eyes
oval.

Antenne inserted on a frontal prominence; in ? 12-jointed, termina-
ting in a 5-jointed club; in ¢ 14-jointed, filiform, the flagellar joints
long, cylindrical, pilose, the first excised.

Mandibles subrostriform, bidentate at tips.

Thorax ovate, the mesonotum with 2 distinct furrows, the scutellum
convex, with a fovea at base; metathorax smooth.

Se wae dell .

Ve: CRC SM sect ¢ tobe oy ete ten one ere oie

a

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 401

Front wings pubescent, the submarginal nervure reaching the costa
near the middle, the marginal vein short, the stigmal vein distinet
with an appendage, basal nervure distinct.

Abdomen petiolate, oblong, oval or obovate, the petiole short, rugu-
lose, the second segment very long,

Legs clavate.

No species in this genus is known out of the European fauna,

GLYPTONOTA Fl orster.
Hym. Stud,, 11, p, 122 (1856).
(No type mentioned, )

Head transverse, the frons rounded, not impressed, occiput rounded;
ocelli 3, in a triangle, eyes rounded.

Antenne inserted on a slight frontal prominence; in ? 12-jointed,
clavate, the 4 or 5 terminal joints enlarged, the last being twice as
large as the penultimate; scape cylindrical, slightly curved, reaching a
little beyond the ocelli; pedicel oval, shorter than the first funiclar
joint; in é 13-jointed, filiform.

Maxillary palpi 5-jointed.

Mandibles short, bidentate at tips.

Thorax oblong-oval; prothorax visible from above, impressed lat-
erally; mesonotum with 2 distinct furrows; scutellum large, subecon-
vex, foveated at base and with a distinct frenum posteriorly; metatho-
rax emarginated, the posterior angles acute.

Front wings pubescent, the submarginal vein reaching the costa at
about half the length of the wing, the marginal vein punctiform, with
a Short oblique stigmal vein; basal vein wanting.

Abdomen ovate, 7- or 8- segmented, the petiole longer than thick,
faintly strigose, beneath towards apex angulately produced; second
segment very large, occupying more than two-thirds of the body of the
abdomen, with 3 sulci at base.

Legs moderate, sparsely pilose, the femora and tibive clavate, tibial
spurs weak, the posterior tarsi short, the basal joint more than twice
as long as the second.

The genus seems to be a valid one, although Forster mentions no type,
and I can find no described European species.

The following, therefore, appears to be the first species described:

Glyptonota nigriclavata, sp. nov.
@iESscvairsiies POR)

2. Length, 2.8"". Polished black, sparsely pilose; antenne, except
the 4 terminal joints (or club) which are black, mandibles, palpi, tegul,
and legs, pale brownish-yellow. Antenne 12-jointed, clavate; pedicel
stouter and a little longer than the first funiclar joint; the funiclar joints
to the club are very gradually shortened, but gradually widened, the

21899—No, 45——26

402 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

last two, or the fifth and sixth, being wider than long, the elub joints are
slightly pedicellate, transverse, increasing in size, the last very large
cone-shaped. Mesonotal furrows deep and broad. Secutellum with a
punctate frenum and two broad fovere at base. Metathorax rugoso-
punctate, pubescent. Wings hyaline, pubescent, fringed. Abdomen
smooth, polished, impunctured, the petiole longitudinally striated.

Hapsirat.—Washington, D. C.

Type in Coll, Ashmead.

Described from a single specimen, taken by myself along the canal
at Georgetown.

TROPIDOPSIS Ashm., gen. nov.

(Type T. clavata Ashm.)

Head subglobose, the face in the female flat, with delicate side keels;
ocelli 3, triangularly arranged; eyes large, rounded.

Antenne in 2 12-jointed, terminating in a large, abrupt, 3-jointed
club, the funicle slender; in é 14-jointed, filiform, longer than the body,
the flagellar joints, except the first and last, elliptic-oval, pilose.

Mandibles short, bifid.

Thorax as in Loxotropa, the metathorax emarginated posteriorly, the
angles a little prominent, centrally with an acute carina.

Front wings pubescent, the submarginal nervure reaching the costa
at about the middle, the marginal nervure about twice as long as thick,
the stigmal vein not developed, the basal nervure distinct.

Abdomen petiolate, oblong-oval, the second segment very long.

Legs clavate.

Allied to Loxotropa, but readily distinguished by the much longer
submarginal nervure, presence of facial keels, and the difference in
the male antenne.

Tropidopsis clavata, sp. noy.

(Pl. xvu, Fig. 2, 9; a, ¢ antenna.)

?. Length, 1.4". Brownish-red or ferruginous, smooth, polished ;
antenne, except club and legs, pale, or yellowish. Antenne 12-jointed,
terminating in an abrupt 3-jointed black club, the first two joints of
which are quadrate, the last oblong; funicle 7-jointed, slender, the first
joint about twice as long as the second, the following not longer than
thick, the last two or three slightly tranverse; pedicel obconic, much
larger and stouter than the first funiclar joint. Head globose, the face
flat with delicate side keels. Eyes large, rounded. Scutellum with a
single fovea at base. Metanotum emarginate, the angles a little promi-
nent. Abdomen oblong-oval, the petiole a little longer than thick,
pubescent. Wings hyaline, fringed, the submarginal vein reaching the
costa at about the middle of the wing, ending in a subtriangular
marginal vein; basal nervure straight.

6. Length, 13", Antenne longer than the body; 14-jointed, fili-

_

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 403

form, the flagellar joints, except the first three and the last, elliptie-
oval, the fourth and following stouter than the three preceding. Abdo-
men oblong-oval, the petiole about twice as long as thick, cylindric,
striated, subpubescent; otherwise color, ete., as in female,
HABITAT.—St. Vincent, West Indies,
Types in National Museum.

IDIOTYPA Forster.
Hym. Stud., 11, p. 122 (1856).
Mionopria Hal., Nat. Hist. Rev., tv, p. 172.
(Type M. maritima Hal.)

Head subrotund, the occiput rounded; ocelli 5,,in a triangle; eyes
large, rounded or oval.

Antenne in 2 12-jointed, clavate, the pedicel shorter than the first
funiclar joint; club 5-jointed; in ¢ 13-jointed, filiform, pubescent, the
scape reaching beyond the ocelli, cylindric; pedicel small; first flagellar
joint as long or slightly longer than the second; second, more or less
excised at base; the following joints all cylindrical, equal or subequal.

Thorax ovoid, the prothorax distinctly visible from above, transverse,
the sides bare; mesonotum wider than long, with two distinct furrows,
slightly diverging anteriorly; scutellum subconvex, with an impressed
line at sides and unifoveated at base; metathorax short, emarginated
posteriorly, a conic prominence at base above, and with the angles acute.

Front wings pubescent, the costal cell complete; the submarginal
vein reaches the costa at about half its length, terminating in a distinct
marginal vein; the postmarginal vein sometimes slightly developed;
the stigmal vein usually short, but distinet, with a spurious vein from
its tip, directed backwards; the basal cell distinct, although the
median nervure is more or less hyaline before it joins the basal nervure.

Abdomen subovate or oblong-oval; in 2 8-jointed, the petiole distinct,
two or three times as long as thick; second segment very large, with a
median sulcus at base; following segments short.

Legs rather long, the femora and tibiz clavate, basally very slender,
pilose, the tibial spurs weak but distinct, the posterior tarsi longer than
their tibize, the basal joint more than thrice the length of the second,
the terminal joint also longer than usual; claws small, simple.

Not found in our fauna, On Pl. xvi, Fig. 3, I figure the female of
Idiotypa pallida Ash. from St. Vincent, West Indies.

ANEURHYNCHUS Westw.
Phil. Mag., 1, p. 129, 1832.
Syn. Mythras Hal.
(Type A. galesiformis Westw.)

Head transverse, with « short frontal sulcus, the occiput not emar-
ginated, rounded. Eyes rounded. Ocelli 3, in a triangle,

404 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Antenne inserted on a frontal prominence; in 2 12-jointed, clavate
or strongly incrassated toward tips, the scape reaching beyond the
ocelli, thickened apically; pedicel rounded; in ¢ 14-jointed, long, fili-
form; the seape eylindrical.

Maxillary palpi 5-jointed.

Mandibles short, bidentate.

Thorax oblong; prothorax visible from above, the angles rounded;
mesonotum with two distinct furrows; seutellum subconvex, bifoveated
at base; metathorax short, subemarginated, the posterior lateral angles
acute.

Front wings with the submarginal vein terminating in a stigma be-
fore attaining the costa, and from which issues a short stigmal vein
knobbed at tip; basal vein absent.

Hind wings veinless.

Abdomen long, oval, 8-jointed, the petiole strigose, hairy.

Legs moderate, the femora clavate, the tibice subclavate, pilose; basal
joint of posterior tarsi three or four times as long as the second; claws
small, simple.

This genus comes nearest to Labolips, but is readily distinguished
by the maxillary palpi and the knobbed stigmal vein.

Abbé Provancher described three species under this genus, none of |

which belong here. <Aneurhynchus aneurus Proy. is aé Platygasterid
belonging to the genus [socybus, while A. spinosus and A. inermis Prov.
are Belytids.

I have recognized three species in our fauna, which may be tabula-
ted as follows:

FEMALES,

Frontal ridge pale rufous.

Legs, including coxie, honey-yellow; ventral segments punctate, the last very

closely punctate. -. 21-222.) 22 .8be- 52252 e> ee A MEDI SpAshias

MALES.
Frontal ridge pale rufous.
Legs and antenne pale brownish-yellow; ventral segments smooth, impunctured.
A. FLORIDANUS, sp. Nov.
Frontal ridge black.
Legs and antenne brownish-yellow ; ventral segments finely, sparsely punctate.
A. VIRGINICUS, sp. oy.

Aneurhynchus mellipes Ashm.
Can. Ent. Xx, p. 52.

@. Length, 2.5°". Polished black, sparsely pubescent. Antenne
12-jointed, stout, clavate, rufous; the seape is very thick, a little
shorter than half the length of the flagellum; pedicel stouter, but not
as long as the first flagellar joint; second flagellar joint shorter than
the first; third, shorter than the second; from thence the joints are
transverse, increase in size and width, and are well separated. Mesono-
tal furrows distinct. Seutellum with two transverse fovere almost

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. A405

meeting at base. Metathorax closely punctate, pubescent, and with
some irregular carine. Legs, including the coxa, honey-yellow. Ab-
domen polished black, the petiole rugose with some longitudinal sulci.
Wings subhyaline, pubescent; the submarginal vein ends in a callosity
and a short stigmal vein that also terminates in a knob; from this knob
there is a slight trace of a radial vein; the submarginal vein is very
pale.

HABITAT.—Ottawa, Canada.

Type in Coll. Ashmead.

Described from a single specimen received from Mr. W. Hague Har-
_ rington.

Aneurhynchus floridanus, sp. nov.

(Pl. xvil, Fig. 4,9; a, g¢ antenna.)

6. Length, 3"™™. Polished black, sparsely pubescent; antenne,
mandibles, palpi, tegulwe, and legs, including coxe, pale brownish-
yellow. Antenne 14-jointed, hairy, extending to the middle of the
abdomen; scape as long as the first and second flagellar joints united;
pedicel rounded; first funiclar joint about twice the length of the
pedicel; the second emarginate at base with a slight tooth beneath,
the joints beyond nearly of an equal length, nearly four times as long
as thick. Thorax with two deep, broad furrows; the collar with a
deep, smooth impression at sides; scutellum with lateral ridges and
two large fovez at base, separated only by a slight carina, the bottom
slightly crenate; metathorax rugose with a slight median carina.
Wings hyaline, very pubescent, the pubescence dusky; the submarginal
vein does not reach the costal edge and terminates in a stigma, the
stigmal vein very oblique; the radius or second branch of the stigmal
is visible as a long dusky streak, thus forming a very long, open radial
cell; basal vein present. Abdomen smooth, polished black, impunce-
tured, sparsely covered with long hairs, the anus pale rufous; the
petiole is about twice as long as thick, with irregular grooved lines
_ above, and a deep grooved channel at the sides.

HABITAT.—Fort George Island, Florida,
Type in Coll. Ashmead. .

Described from a single specimen.
Aneurhynchus virginicus, sp. nov.

&. Length, 2.8°". Very closely allied to A. floridanus in color and
sculpture, but at once separated by the hind cox being black and
by the sparsely, but distinctly, punctate ventral segments; while the
anus is black and the antenne are slightly stouter, the flagellar joints
being in consequence relatively shorter.

HABITAT.—Harpers Ferry, W. Va.

Type in Coll. Ashmead.

Described from a single specimen taken by Mr. E. A. Schwarz.

AQG6 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

LABOLIPS Haliday.
Nat. Hist. Rev., 1857, p. 173.
(Type L. innupta Hal.).
CPAP sxaviie Bion ts. Or)

Head rounded. Eyes small, protuberant, hairy. Ocelli3, ina triangle.

Antenne, in ?, 12-jointed, clavate, the scape cylindrical; the pedicel
longer than the first flagellar joint, the second to the last transverse-
moniliform, slightly pedicellate, the last oval, twice as long as the pre-
ceding; in é , 14-jointed, filiform.

Maxillary palpi obsolete; labial palpi not jointed.

Mandibles bidentate.

Thorax oblong, depressed; prothorax attenuated into a neck; mesono-
tui with two furrows; scutellum transverse, subquadrate; metathorax
short, truneate at apex, with the angles a little prominent.

Front wings with the submarginal vein not reaching the costa, termi-
nating in a stigma but without a stigmal vein; basal vein subobsolete.

Hind wings veinless.

Abdomen oblong, oval, petiolate.

Legs normal, the femora stout, clavate; the tibiz subclavate.

This genus has not yet been discovered in our fauna, and the single
species described by Haliday, from England, is the only one known.

Tribe I].—DIAPRIINI.

In this tribe, the furthest removed from the Belytine, the submargi-
nal nervure reaches the costa at one-third its length or a little before,
the costal cell being most frequently open; or the costal and subcostal
nervures are confluent as in the Braconidae (Loxotropa, Basalys, ete.) ;
or it is not, or but slightly, developed (Galesus). Eleven genera having
these characteristics in common are here brought together. All those
of which the parasitism is known, are found living upon Dipterous larve.

TABLE OF GENERA.

FEMALES.

Antenne 13-jointed (except in Myrmecopria)....--.------- Se asia acess ee eee 4
Antenne 12-jointed. 2
Nace not preatly lenetheneds--. 2.6. se sae see ee seen ee ne ae 2
Face greatly lengthened; mandibles rostriform.
Mesonotum) with 2 furrows 223229 eeere-— sees fee GaALrsus Curt.
2. Head transverse or subglobose, rarely a little longer than wide.-.---....-------- 3
Head large and flat; ocelli wanting; mesonotum without furrows; legs short and
SU UU Ee ep ew ss See ec Srna erave arm ear ate PLATYMISCHUS Westw.
3. Wings with a basal nervure.
Mesonotum without furrows; club 3 or 4 jointed.......---- LoxotTrRopa Forst.

Wings without a basal nervure.
Mesonotum witheut furrows.
Scutellum foveated at base.
Tip of seutellum compressed from the sides, the disk or apex with a median
carina; abdomen usually conically pointed.
TROpPIDOPRIA Ashm., gen. nov.

s

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 407

Tip of scutellum not compressed from the sides, rounded or truncate, with-
out a carina; abdomen ovate or oblong oval, often truncate at tip.
Petiole much longer than thick; metathorax always with a distinct ridge
OM COME PLOMINEnce atibaseasasee ae = eee ease DIAPRIA Latr.
Petiole not longer than thick, densely woolly ; metathorax most frequently
without a conic prominence at base, usually areolated.

Clubis-jointedi i. .6 sa sohose Sek ee tes CERATOPRIA Ashm., gen. nov.
Clubs 0ro- jompbedessa ans = oe ss se TRICHOPRIA Ashm., gen. nov.
Seutellum not foveated at base.
Aaa MOtySOPATALC Ws. =e jas seen ee seis a PHANOPRIA Ashm., gen, nov.
4, Scutellum not foveated; club consisting of one enlarged joint.
Mesonocum swath ob turtowS: 2-45-25 ses eee se one ses ea MONELATA FoOrst.

Scutellum foveated at base, club with more than one joint.
Mesonotum without furrows, or only slightly indicated posteriorly.
Basal nervure present; antennal club abrupt, 4-jointed.-...- BasAaLys Westw.
Basal nervure absent; antennal club not abrupt, the flagellum subclayate;
antenne 14-jointed . ...........-----.:.... MYRMECOPRIA Ashm., gen. nov.

MALES.
PCMH 1o-JOUMULCU sa cteoe'a Stats) niece ic bes ceac/se sos cece sa Sees ae Seen eceon = eee 4
Antenne 14-jointed.
Scape not especially developed. .-.. Se ee eer oar cei: Lusitrcieny a See A Aa Me Ue SE 2
Scape abnormally developed.
Apterous; mesonotum without furrows......-..--.-. PLATYMISCHUS Westw.
2. Face not lengthened; mandibles not rostriform.......:.......--.....-.--+--- 3
Face lengthened; mandibles rostriform.
Mesonotum with) 2 futrOws=s- se os sce sae se jose a ce- ==. 2-22 GALNSUS OUTt:
3. Wings with a basal nervure.
First flagellar joint much shorter than the second .......-.---- BASALIS Westw.
First flagellar joint not shorter than the second.
Mesonotunt without farrows.-. 2226 -snisss5 55. 8-e ere be ke Loxorropa Forst,

Wings without a basal nervure; mesonotum without furrows.
Scutellum foveated at base.
Tip of scutellum compressed from the sides; the disk or apex with a median
Canina? yaa ce cen eee arte nee ass TrRopIpOPRIA Ashm., gen. nov.
Tip of seutellum not compressed from the sides; rounded or truncate, without
a carina.
Antenne nodose-verticillate, the joints pedunculated.._...-. DIAPRIA Latr.
Antenne filiform or moniliform, not nodose-verticillate.
Antenne filiform, the joints from the fourth oval or moniliform, but not
thickened toward tips.
Second flagellar joint longer and thicker than the first, usually curved
or angulate towards one side, the joints beyond rounded, with long
TIS ULES eae sete nto seen ain yn agate Ent ea, CERATOPRIA Ashm., gen. nov.
Second flageliar joint shorter than the first; the first four or five joints
twice longer than thick; the joints beyond long-oval or moniliform
with short hairs, or joints after the second moniliform, pilose.

TRICHOPRIA Ashm., gen. nov.
Seutellum not foveated at base.

Second flagellar joint about as long as the first, the joints beyond long-oval or
MmOMUTT HN. INMAY Sooneooe scenscoses PHANOPRIA Ashmn., gen. noy.
4, Scutellum not foveated at base.
Mesonotum without furrows.
First flagellar joint not half as long asthe second...-.- ----MONELATA Forst.

408 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

GALESUS Curtis.
Brit. Ent., p. 341 (1831).
Coptera Say, Bost. Jour., 1, p. 282.
Anisoptera Her.-Schaef.
(Type G. cornutus Panz.)

Head oblong or horizontal, with a profound frontal suleus, the angles
of which are acute; occiput broad, rounded; ocelli 3.

Antenne, in ¢, 12-jointed, clavate-submoniliform, the pedicel very
small, rounded; the scape short, stout; in @, 14-jointed, filiform; the
scape usually angulated a little beyond the middle; the pedicel rounded
but larger than the first flagellar joint.

Maxillary palpi 5-jointed.

Mandibles prolonged, rostriform, dentate.

Thorax: Prothorax visible from above; mesonotum with two furrows,
slightly converging posteriorly; scutellum rather large, somewhat flat
or subconvex, with a grooved line along the sides and bifoveated at
base; metathorax emarginated at apex, the lateral angles acute.

Front wings folded, often emarginate or with a slit at apex, pubes-
cent, the submarginal vein not developed or terminating before attaining
the costa; the basal cell incomplete; the basal vein obsolete or at least
water-lined.

Hind wings veinless.

Abdomen petiolated; in 2 ovate, in é oblong-oval, composed of ap-
parently but 2 or 3 segments, the second occupying most of the surface
and generally inclosing the apical segments, with a sulcus at base;
petiole longer than thick, grooved.

Legs rather short, the femora stout, the tibiz clavate, their spurs
weak; basal joint of hind tarsi about one-third longer than the second;
claws small, simple.

In the oblong horned head, thesrostrate mandibles, and the shape of
the scape, this genus is quite distinct from all others in the group.

The genus Coptera Say, is without doubt identical, and was recog-
nized as synonymous by Mr. A. H. Haliday as early as 1857; besides
Lhave identified his type, Coptera polita, which proves to be nothing
but a small Galesus with emarginated and folded wings.

On Pl. xvu, Fig. 6, figure Galesus 6-punctatus Ashm. from St. Vincent.

Our species may be thus tabulated:

TABLE OF SPECIES.
FEMALES.

Frontal prominence with a large, broad, diamond-shaped fovea; its apex not emar-
ginated between the antenne.
Antenne brown, the lers rufous..----->-2-s2 ae aaa ee G. QUEBECENSIS Prov.
Frontal prominence with a less distinct fovea, and distinctly emarginate between,
the antennae.
Antenne entirely black; the legs piceous............---- G. ATRICORNIS, sp. nov.
Scape black, the flagellum piceous; legs honey-yellow......--.--. G. POLITUS Say.

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 409

MALES,
Coxe pale.

Antenne not longer than the body, brown; legs honey-yellow....G. POLITUS Say.
Coxe black.

Antenne longer than the body, piceous; legs piceous.......G. FLORIDANUS Ashm.

Antenne shorter than the body; scape black, the flagellum brown.
Flagellar joints twice as long as thick, except the first, which is thrice as long
as thick; last two apical abdominal segments rugoso-punctate.
G. TEXANUS, sp. nov.
Flagellar joints not longer than thick, except the first, which is one and a half
times as long as thick; last two apical abdominal segments smooth.
G. PILOSUS, sp. nov.

Galesus quebecensis Prov.
Pet. Faun. Can., 1, p.559; Ashm. Can. Ent., x1x, p. 195; Cress. Syn. Hym., p. 251.

?. Length, 3.2". Black, polished, shining; head twice as long as
wide, pilose, the cheeks with a tuft of griseous wool; anteriorly pro-
foundly suleate and exhibiting 4 acute teeth; frontal prominence with
a large, broad, diamond-shaped fovea, its apex not distinctly emargi-
nated between the antenne. Antenne 12-jointed, extending to the
apex of metathorax, brown; the first flagellar joint thrice as long as
thick, the second twice as long as thick; the joints from here gradually
inerassated, shorter but broader, submoniliform; the last very large;
cone-shaped, as long as the first. Thorax with two deep furrows, the
scapule with a deep sulcus near the tegule; tegule large, black; meta-
thorax rugose, opaque, pubescent. Wings subfuscous, hyaline basally,
pubescent; folded, but not fissured. Legs, including cox, rufous.
Abdomen a little longer than the head and thorax together, polished
black; the petiole stout, with deep longitudinal sulci, sparsely pilose.

é. Length, 4". Black, polished, shining, with the legs red. An-
tenn hairy, the joints separated at the sutures; front excavated be-
fore for the insertion of the antenne, with a small point at the middle
beneath and another on each side. Thorax elongated, depressed; the
metathorax strongly punctured with two carine united at the base and
diverging toward the summit; the mesothorax tuberculous. Tegule
large, red, black at base. Legs of a beautiful red, the thighs swollen,
and more or less black. Abdomen pedunculate; the petiole grooved
above and hairy at the sides, the rest forming a rather short oval; the
second segment with small fovez at base.

HABITAT.—Canada and District of Columbia.

Type éin Coll. Provancher; @ in Coll. Ashmead.

The 6 of this species is unknown to me, and the above description is
taken from Abbé Provancher; the 2 is described from a specimen
captured at Washington, D. C., which could only be correlated with
this species.

Galesus atricornis, sp. nov.

?. Length, 2.6". Black, polished. Antenne 12-jointed, clavate,
black, reaching only fo the tegule; first flagellar joint only a little more
than twice as long as thick, joints beyond to sixth shorter, subequal;

410 — BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

from here to the last they are longer, quadrate, the last large, cone-
shaped. Head oblong, smooth, anteriorly just above the frontal exca-
vation roughened, the angles acute; the frontal prominence emargi-
nated, punctate, with a small discal fovea; beneath the eye is a large,
long sulcus. Mandiblesblack. Thorax withtwo furrows that terminate
anteriorly just before reaching the collar. Scutellum with two large,
oblique fover. Metathorax pubescent. Wings fusco-hyaline, pubes-
cent, folded, with a deep fissure at apex. Legs piceous, the trochanters,
the slender portion of the tibix, and the tarsi honey-yellow. Abdomen
as long as the head and thorax together, smooth, polished, the apex
with some sparse white hairs, the petiole longitudinally grooved, with
some sparse pubescence at the apex above and beneath.

HABITAT.—Ottawa, Canada.

Type in Coll. Ashmead.

Described from a single specimen received from Mr. W. Hague Har-
rington.

Galesus politus Say.
Coptera polila Say, Lec. Ed. Say’s Works, 11, p. 727; Ashm., Can, Ent., x1x, p. 195;
Cress. Syn. Hym. N. A., p. 250.

6 2. Length, 2.2 to 2.6". Polished black. Antenne 12-jointed,
clavate, reaching slightly back of the tegule; scape black, angulated
within before the tip; pedicel and the 4 or 5 following joints honey-
yellow, the joints beyond piceous, submoniliform, the last the largest,
oblong, sometimes wholly piceous. Antenne in ¢ 14-jointed, filiform,
a little shorter than the body, pale brown, the scape black, the flagellar
joints about 24 times as Jong as thick. Head nearly twice as long
as wide, smooth, polished, the anterior angles acute; frontal promi-
nence with a discal fovea and an emargination at apex. Mandibles
rufous or pale. Thorax smooth, polished, with two distinet furrows,
the middle lobe with a fovea posteriorly. Scutellum with two oblong
fovee at base. Metathorax pubescent. Wings subhyaline, folded,
pubescent, with a deep fissure at apex. Legs, including cox, honey-
yellow or pale rufous. Abdomen oblong oval, polished, not as long as
the head and thorax together.

Hapsrrat.—Indiana, District of Columbia, Oakland, Md., and Fort
George, Fla.

Specimens in Coll. Ashmead.

This species is not rare and is widely distributed, occurring from
Florida to Canada.

Galesus floridanus Ashm.
Can. Ent., 11, p. 195.

é. Length, 1.5". Black, polished, covered with sparse scattered
pile. Head only a little longer than wide, smooth, polished, scarcely
emarginated anteriorly, not cornuted. Antenne 14-jointed, longerthan

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDEA. 411

the body, brownish piceous, the flagellar joints with long whitish hairs;
scape swollen at the middle but not angulated. Legs honey-yellow or
pale rufous, cox black, the femora piceous. Wings hyaline, pubescent.

HABITAT.—Fort George, Fla.

Type in Coll. Ashmead.

This species on account of the non-cornuted head may not be a gen-
uine Galesus,

Galesus texanus, sp. nov.

é. Length, 3.5". Black, shining; flagellum dark brown; scape
and coxe black; legs honey-yellow, pilose; palpi pale; mandibles
blackish. Head tavice as long as wide, smooth, except the stemmati-
eum, which is roughened. Antenne extending to apex of the petiole,
the flagellar joints, except the first, which is longer, fully twice as long
as thick. Thorax with two deep, wide furrows, converging and meet-
ing at base of the scutellum; metathorax carinated. Wings subhya-
line, pubescent, slightly emarginated at apex, and folded. Abdomen
nearly as long as the head and thorax together, polished, the petiole
stout, twice as long as thick, fluted, the second segment occupying
nearly the whole of the remaining surface, with a long median im-
pressed line, and a fovea on each side of the line at base, apex with
some sparse white hairs.

HABITAT.—Texas.

Type in Coll. Ashmead.

Galesus pilosus, sp. nov.

4. Length, 2". Black, polished, pilose; the head only a little
longer than wide, cornuted anteriorly, the vertex behind with a row of
close punctures; flagellum brown, the joints, except the first and last,
moniliform, not longer than wide; scape and cox black, the legs dis-
tinetly rufous. Collar fluted. Seutellum with 2 large fovez at base.
Metathorax rugose. Wings subhyaline, pubescent. Abdomen a little
longer than the thorax, the petiole 14 times as long as thick, striated,
the second segment suleate at base.

HABITAT.—Texas,

Type in Coll. Ashmead.

Described from a single specimen. The difference in the head, an-
tennie, petiole, and the sculpture of the second abdominal segment
readily distinguish the species.

PLATYMISCHUS Westw.
Phil. Mag., 1, p. 128.
(Type P. dilatatus Westw.)
(Plea, Riosin gh.)
Head oblong, flattened, the occiput subemarginated. Eyes rounded.
Ocelli in 2 wanting, in é very swall.

412 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Antenne in é 14-jointed, the scape abnormally enlarged, dilated,
with a deep emargination within; the flagellum slightly incrassated
toward apex, the joints after the first moniliform; in 2 12-jointed,
clavate, the scape linear, the pedicel longer than the first flagellar joint,
joints 2 to 5 subequal, subglobular, the following forming the club.

Mandibles bidentate.

Thorax oblong-quadrate, the prothorax not visible from above;
mesonotum convex, without furrows; metathorax very short, not
emarginated, the angles not acute, in ¢ sparsely, in 2 densely woolly.

Wings wanting in both sexes.

Abdomen oval, truncate behind, the petiole very short, stout, woolly,
the second segment occupying nearly the whole surface.

Legs short, stout, compressed, clavate, the tarsi short.

This curious genus, known only in a single species, has not yet been
recognized in America, the species described as such by Abbé Proyvan-
cher under the name Piatymischus torquatus (Add. a la Faune Hym.,
p. 182), being a Diapriid belonging to the genus Tropidopria and allied
to Diapria conica Latr. and D. carinata Thomson.

The genus Platymischus was originally characterized from the male;
and to the Rey. T. A. Marshall we are indebted for perfecting the
generic diagnosis by the discovery of the female. Mr. Marshall
believes the genus is parasitic on Dipterous larve inhabiting low
marshes.

LOXOTROPA Forster.
Hym. Stud., 1, p. 122, 1856.
(Type L. acolutha Forst.)

Head subglobose, often oblong, with a frontal sulcus, the occiput
rounded; cheeks woolly; eyes rounded; ocelli 3, minute. Antenne
in 2 12-jointed, clavate; the three or four terminal joints most fre-
quently abruptly, enormously enlarged; pedicel usually much larger
than the first funiclar joint; in ¢ 14-jointed, filiform; scape subcla-
vate; pedicel short; first and second funiclar joints lengthened, the
first slightly the longer, the second thicker and usually curved, the
joints beyond oval or cup-shaped, seldom much longer than wide.

Mandibles short, bifid.

Maxillary palpi, 5-jointed.

Thorax ovoid; prothorax slightly visible from above, usually covered
with a whitish wool, always present at sides; mesonotum smooth with-
out furrows; scutellum subconvex, or flat, smooth, truncate at apex,
with distinct grooved lines along the sides, and a fovea at base; meta-
thorax short, emarginated.

Front wings pubescent, the submarginal vein terminating in a small
stigmated marginal vein before attaining half the length of the wing;
basal vein always present.

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDH. 413

Abdomen oblong-oval, in 2 showing 7 segments; the petiole short,
woolly; the second segment occupying nearly the whole surface; in ¢
8-segmented, the petiole longer.

Legs moderate, the femora and tibiw clavate, the tibial spurs weak,
the basal joint of hind tarsi fully twice as long as the second, in the ¢
somewhat shorter.

This genus was originally confused with Diapria, but is at once distin-
guished from it and closely allied genera by the frontal impression,
the shape of the scutellum, and the distinct basal nervure. In the
shape of the head the female, in many species, recalls somewhat Gale-
sus, but the wings and antenne are quite different.

Our species may be distinguished by the following table:

TABLE OF SPECIES.

FEMALES.

NYA TESS ORES Da pLeLOUSOLING mses errsieet ee cetera ore nolo oeicteiaiclelesiciaiciare seins 3
Winged.
Frons superiorly not angulated in front of the eyes. ................-..-.---- 2

Frons superiorly angulated in front of the eyes.
Antenne and legs reddish-yellow or rufous; the club abrupt, 3-jointed, black.
Fovea of scutellum small, rounded, not reaching entirely across the base.
Metathorax and petiole yellowish -....-..-.---- L. COLUMBIANA, sp. nov.
Metathorax and petiole black...-......-....-.-.. L, RUFICORNIS, sp nov.
Seutellum with a single fovea at base.
Antenne and legs rufous, the club abrupt, 3-jointed.
Fovea of scutellum large, transverse, deep, extending entirely across the base,
theslateralvenoovesientites. sae e sea - e e L. ABRUPTA, Thoms.
Fovea of scutellum small, rounded, shallow, not extending entirely across
the base, the lateral grooves obliterated basally.

to

é L. CALIFORNICA, 8p. Nov.
Seutellum with two small confluent fovee at base.
Antenne and legs yellow, the club abrupt, 3-jointed.
Second funiclar joint much shorter than the first-.-...-- L. FLAVIPES, 8p. nov.
3. Wings deformed, not extending more than two-thirds the length of abdomen.
Head and abdomen black, thorax rufous.
Antenne and legs yellow, the club abrupt, 3-jointed, black..L. NANA, sp. nov.
Apterous.
Entirely black.
Antenne and legs rufous, the club abrupt, 3-jointed, blacx.
Scutellum with a small rounded fovea ..-.........-...-- (L. CALIFORNICA.)
Antenne and legs rufo-piceous, the antenne gradually clavate.
Scutellum with a small, shallow fovea........... L. PEZOMACHOIDES, Ashm.

Loxotropa columbiana, sp. nov.

?. Length, 1.5"". Polished black, impunctured; antenne, except
the large, abrupt, 3-jointed club, the legs, apex of metathorax, and pet-
iole, reddish-yellow. Wings hyaline, pubescent, the stigma piceous, the
submarginal and basal nervures pale yellowish. The antenne are
12-jointed, reaching to the base of the abdomen; scape as long as the

414 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

funicle, subclayate; pedicel obconic, longer and thicker than the first
funiclar joint; funiclar joints 2 to 5 a little longer than thick; the
sixth not longer than thick; the seventh transverse; club very large,
abrupt, 3-jointed, black; the joints quadrate, the last rounded at apex.
Anterior angles of thorax acute, piceous; the scutellum with a small,
Shallow fovea at base, separated into two parts by a delicate carina, a
slight groove at each side posteriorly, the apex truncate; metathorax
short, yellowish, with a central carina. Abdomen oblong-oval, polished
black, the petiole yellow.

HABITAT.—District of Columbia.

Type in Coll. Ashmead.

Loxotropa ruficornis, sp. nov.
(Pl. xvi, Fig. 8, 9; a, head of 3.)

6. Length, 1.6". Polished black; head twice as wide as thick
antero-posteriorly, obliquely rounded off posteriorly. Mandiblesrufous.
Palpi pale. Antenne 14-jointed, rufous, longer than the body; second
flagellar joint longer than the first, swollen toward the tip, the joints be-
yond to the last, oval-moniliform, twice as long as thick, the last nearly
twice as long as the penultimate. Thorax smooth with deep mesonotal
furrows, the middle lobe prominent, convex. Pronotum not impressed
at sides in front of the tegule. Scutellum with a single large, smooth
fovea at base. Metapleura finely sculptured, rufous toward the hind
.coxe., Tegule rufous. Wings hyaline, pubescent, with moderately
short cilia. Legs, including coxie, reddish-yellow. Abdomen oval,
polished, the petiole hardly twice as long as thick, finely sculptured
and pubescent.

2. Length, 1.65", Antenne, except the abrupt, 3-jointed black;
club, rufous, flagellar joints 5 to 7 a little transverse; frons with
acute tubercles before the eyes; scutellum with a small shallow
fovea at base, not divided at base by a carina; postscutellum opaque,
shagreened; metanotum, with an acute prominence above, behind the
postscutellum, and a deep, oblong fovea above the posterior angles.
Wings clear, hyaline, pubescent, while the abdomen is oblong-oval,
polished, the petiole finely striated and covered with a griseous wool.

Hapsrrat.—Arlington, Va.

Types in Coll. Ashmead.

Described from specimens taken by myself while beating in low places
along the Potomac River.

Loxotropa abrupta Thoms.

Basalys abrupta Thoms., Ofv., p. 368, 2; Ashm. Can. Ent., xx, p. 54.

?. Length, 2°". Polished black, impunctured; antenne, except
the abrupt 3-jointed black club, and legs, rufous. Head subglobose, the
frons somewhat flat, but not hornedor tubercular. Antenne 12-jointed;
Scape rather stout, as long as the funicle; pedicel stout, about twice the

+
z
:

e
5
i

al.

PPAR See PO ey

od

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 415

length of the first funiclar joint, funiclar joints 2 to 5 not or scarcely
longer than thick, 6th and 7th transverse. Scutellum with a fovea all
across the base, connected with lateral grooved lines. Metapleura
covered with a cinereous pubescence. Wings subhyaline, pubescent;
stigma brown, nervures pallid. Abdomen oblong-oval, polished black,
about as long as the thorax; the petiole rugose, pubescent.

HABITAT.—Europe, Canada.

A specimen of what is evidently this European species was sent to
me, more than four years ago, by Mr. W. Hague Harrington.

Loxotropa californica, sp. nov.

2. Length, 1.8"". Allied to L. abrupta, but differs as follows: The
first flagellar joint is two-thirds the length of the pedicel; the scutel-
lum has a very shallow not large fovea at base, the iateral impressed
lines only distinct posteriorly: wings hyaline or very slightly tinged
with fuscous; sometimes wanting; the head is a little wider before than
behind; cheeks behind, collar at sides, and petiole densely woolly.

HABITA?T.—Santa Cruz Mountains, California.

Types in Coll. Ashmead.

Loxotropa flavipes, sp. nov.

?. Length, 1.3 to 1.6". Polished black, impunctured; antennie
(except club) and legs brownish-yellow ov reddish-yellow; wings hya-
line, pubescent, the stigma piceous. The head is a little longer than
wide and a little wider before than behind, the frons flattened. An-
tenn 12-jointed, as in L. columbiana, the three last funiclar joints grad-
ually widened, transverse; club abrupt, 3-jointed, joints 1 and 2 quad-
rate, joint 3 oblong. Scutellum with 2 small fovez at base, usually more
or less confluent, and with lateral grooved lines posteriorly. Metathorax
roughened, pubescent, with an acute prominence above. Abdomen
oblong-oval, black, shining, the petiole with a long, cinereous pubes-
cence.

The 6 agrees with the female structurally, except the fovee at base
of scutellum are deeper and aiways confluent, and in having 14-jointed,
filiform-moniliform antenne. Legs and antennie honey-yellow. The
pedicel and the second flagellar joint are about of an equal length, the
latter a little curved or dilated toward one side at apex, the first more
slender and shorter, the following, to the last, rounded-moniliform, the
last ovate.

HABiItTat.—Maryland, Virginia, and District of Columbia.

Types in Coll, Ashmead.

Loxotropa nana, sp. nov.

?. Length,1™". Head and abdomen black, polished; thorax rufous;
legs and antenne, except the club, brownish-yellow, or honey-yellow;
wings not fully developed, narrow, not reaching to the tip of the abdo-

416 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

men. The head is longer than wide, a little narrower behind than
before, the frons flattened. Antenne, 12-jointed, with an abrupt 3-
jointed, black club; pedicel much stouterand larger than the first funiclar
joint; funiclar joints 2 to 5 a little wider than long, the following trans-
verse and shorter. Scutellum with a small rounded fovea at base.
HABiIrat.—Jacksonville and Fort George Island, Fla.
Types in Coll, Ashmead.

Loxotropa pezomachoides Ashm.
Can. Ent., xx, p. 53.

?. Length, 1.2™". A small apterous, highly polished, black species,
with dark rufous-colored legs and antenne, and covered with long,
sparse hairs; the cheeks and collar woolly. The antenne are long,
gradually incrassated towards tips, the first flagellar joint a little longer
but not quite so thick as the pedicel, the joints 2 to 5 longer than thick;
joints 6 to 9 moniliform, the last conic nearly twice as long as the pre-
ceding. Thorax narrowed anteriorly, the scutellum with a very small,
slightly impressed fovea at base; the metathorax rugose.

The abdomen is ovate, large, fully twice as wide as the thorax,
highly polished, with some sparse, long hairs and a very short petiole.

HapBirat.—Ottawa, Canada.

Types in Coll. Ashmead.

Described from four specimens. Quite distinct from the other species
of this genus, and probably not a genuine Loxotropa, being more closely
allied structurally to the new genus Trichopria.

TROPIDOPRIA Ashmead, gen. noy.
(Type Diapria conica Fabr.)

Head rounded, smooth, the occiput rounded; cheeks woolly; ocelli 3,
small, placed on the anterior part of the head; eyes round, usually with
3 or 4 bristles.

Antenne inserted on a frontal prominence; in 2 12-jointed, clavate,
submoniliform; scape cylindric, reaching beyond the ocelli; pedicel
oval, thicker than the first funiclar joint; the first funiclar joint eylin-
dric, narrowed basally, at Jeast 4 or 5 times as long as thick, the second,
third, and fourth shorter, subequal, all narrowed basally; the joints
beyond gradually increase in size and are more or Jess moniliform,
the last the largest, fusiform; in the ¢ 14-jointed, filiform, simple, or
pedicellate-nodose with whorls of hairs.

Mandibles short, arcuate, with 2 small teeth at apex.

Maxillary palpi 5-jointed.

Thorax ovoid, the sides flat; prothorax visible from above, densely
woolly; mesonotum smooth, longer than wide, without furrows; scu-
tellum convex, compressed from the sides, with a delicate median carina

:

pe

7

- MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 417

on the disk and a deep fovea at base; metascutellum conically promi-
nent; metathorax short, woolly, with subacute angles.

Front wings ample, pubescent and fringed; the submarginal vein
terminates in a short punctiform marginal vein, at about one-third the
length of the wing; otherwise entirely veinless.

Abdomen long, conic-ovate, composed of 6 segments, the petiole
longer than thick, fluted, pubescent or woolly; the second occupies about
half the whole surface; the third and fourth very short; the fifth as
long as the third and fourth together; the sixth still longer, pointed
and stylus-like.

Legs long, pilose, especially the tibie, the femora and tibie clavate,
the tibial spurs well developed, or at least not weak, posterior tarsi
shorter than their tibiew, the basal joint scarcely twice as long as the
second, claws well developed, falcate.

This genus is founded upon Diapria conica Fabr., and is closely allied
to Diapria; but the carinated scutellum and the difference in the ab-
domen readily distinguish it, not only from this genus but from all
others in the group. In the carinated seutellum we see the first ap-
proach to the cupuliform scutellum in the group Hucotline, in the fam-
ily Cynipide, and like that group, the genus is parasitic, so far as we
know, on Dipterous larve.

The following table will aid in determining our species:

TABLE OF SPECIES.

FEMALES.

Abdomen not produced into a long, conical point, although obtusely pointed .. 2
“Abdomen produced into a long conical point.
Scutellum with a large fovea at base, the bottom usually with 3 or 4 keels.
Antenna rufous, the five or six terminal joints black or fuscous; legs, inelud-
LNGICOR; TULOUSZ seek ce ee Oe eth ise ese T. conica Fabr.
2. Seutellum with but a single keel at the bottom of the fovea, the continuation of
the scutellar carina.
Antenne, cox, and middle of femora piceous or blackish.
Pedicel longer than the first funiclar joint............. T. CARINATA Thonis.
Pedicel much shorter than the first funiclar joint.-.....-- T. TORQUATA Proy.
Scutellum with the bottom of the fovea slightly aciculated, but the scutellar
carina ceases before reaching it.
Antennz, cox, and middle of femora rufo-piceous.
Club 5-jointed, first flagellar joint nearly twice as long as the pedicel.
T. SIMULANS, sp. nov.
Antenne, except club, and legs brownish-yellow; club 4-jointed, the first
three flagellar joints equal, very little longer than the pedicel, the
second and third shorter than first....-... T, TETRAPLASTA, Sp. LOY.

21899—No, 45——27

418 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Tropidopria conica Fabr.
(BLS VILL, hig O's)

Cynips No. 33, Geoftr., Hist. des Ins., 1.

Cynips phragmitis Schrank, En. No, 647; Vill. Ent., 1, p. 76, No. 21 (?).

Ichneumon conicus Fabr., Ent. Sys., u, 188; Vill. Linn. Ent., 111, 212.

Psilus conicus Jur., Hymn., p. 319; Spin. Ins. Lig. Fase., 11, p. 166.

Diapria conica Latr., Hist. Nat., x11, 231; Gen. Crust. et Ins., Iv, 37, 9 ; Nees,

Mon., 11.5°325, 6 2; Steph. Tl. Mv, Suppl. 10) xave ness
9; Ratz., Ichn. d. Forst. Ins., 1, 186 (Econ.); Thoms., Ofv., 1858,
p. 360, ¢ 9; Marsh., Cat. Brit. Oxy., p. 112.

é 2. Length, 2.5 to 3°. Polished black; cheeks, collar, meta-
thorax and petiole woolly, the rest of the surface with some sparse
hairs; antenne, mandibles and legs rufous, the scape more or less rufo-
piceous, the five apical joints black, the first four funiclar joints sub-
cylindrical, a little thicker at tip than at base, the first the longest, one
and a half times longer than the pedicel, the three following joints

equal or very slightly shortened, the fifth much thickened at tip, the

sixth, seventh, eighth, and ninth, oval-moniliform, the last cone-shaped,
slightly longer than the preceding.

In the male the antenne are verticillate, the flagellar joints elon- —

gate-cylindrical, the second outwardly emarginated at base. Scu-
tellum with a large deep fovea at base, separated into two parts
by the medial carina that extends posteriorly to the tip of the scutel-
lum, the bottom with 3 or 4 raised lines; laterally the scutellum is
densely pubescent and posteriorly there are some erect hairs. Meta-
thorax densely pubescent or woolly, with a raised prominence at base.
Tegule black or piceous. Wings hyaline, ciliated. Abdomen longer
than the head and thorax together, conically pointed, the petiole pu-
bescent, finely rugose, with two short carine at base above; second
segment very long, with two foveolerat base; third and fifth segments
about equal in Jength, twiceras long as the fourth; sixth produced into
a conic point, about as long as the third, fourth, and fifth together, the
ovipositor slightly projecting from its tip.

HAprratT.—England, Europe, and North America.

Specimens in National Museum and Coll. Ashmead.

This European species is now evidently widely distributed in’ North
America, and has probably been imported with its Syrphid host, Hris-
talis tenax. Ihave specimens from Long Island and Albany, N. Y.;
Ottawa, Canada; Arlington, Va.; Washington, D.C.; and Marquette,
Mich. It is recorded by Kirchner (Cat. Hym. Europ, p. 204) as para-
sitic on Hristalis tenax, and I have seen specimens in the Berlin Mu-
seum reared from this insect, while Mr. L. O. Howard informs me
Dr. Lintner has reared it from this same Dipteron at Albany, N. Y.

Tropidopria carinata Thoms.
Diapria carinata Thoms., Ofy., 1858, p. 361.
@. Length, 2.5°", Polished black; cheeks, collar, metapleura, and
petiole posteriorly, woolly; rest of its surface with long, sparse hairs;

‘
:
|

De DIP, Opa ri,

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDE. 419

antennx, mandibles, coxie, and the thickened portion of the femora and
tibie piceous or brown-black, rest of the legs rufous; the pedicel is
stouter and a little longer than the first funiclar joint, the joints be-
yond to the sixth very gradually decreasing, but slightly thickened; the
seventh large, oval, the three terminal joints greatly enlarged, the
last oblong. Fovea of scutellum smooth at base, separated into two
parts by the scutellar carina, the sides not densely pubescent. Meta-
thorax with a prominence at base and foveated at sides, nearly bare.
Tegule black. Wings subhyaline, pubescent. Abdomen not longer
than the head and thorax united, not conically pointed at apex, and
depressed, the petiole not much longer than thick, fluted; the second
segment occupies the greater portion of its surface, the third short,
slightly longer than the fourth, the fifth longer than the third, the
sixth not longer than the fifth.

HABITAT.—Canada and Europe.

Specimens in Coll. Ashmead.

A single specimen received from Mr. W. H. Harrington, taken at
Ottawa, Canada, could not be separated from European specimens of
this species in my collection, and, like 7. conica, it has probably been
imported into this country on some Dipterous host.

Tropidopria torquata Prov.
Platymischus torquatus Proy., Add. et Corr., p. 182.

?. Length, 2.8°". Closely allied to G. carinata, but with the fol-
lowing distinct differences: The pedicel and two or three funiclar joints
are more or less rufous, the pedicel much shorter than the first funiclar
joint, and the club really begins with the fifth funiclar joint, the joints
from the sixth to the last being quadrate, the last conic; scutellum
with a large, smooth fovea at base, without raised lines at bottom and
not separated into two parts by the forward extension of the median
carina; tegule black; wings hyaline; the legs show more rufous than
in D. carinata, the femora and tibiz not being so dark; petiole of abdo-
men longer, more pubescent, and not distinctly fluted; the third seg-
ment is longer than either the fourth or the fifth, the latter very slightly
longer than the fourth, while the sixth is very little longer than the
third.

HABITAT.—Ottawa, Canada.

Type in Coll. Ashmead.

Described from Provancher’s type, given me by Mr. W. H. Harring-
ton.

Tripidopria simulans, sp. noy.

?. Length, 2to2.5", Approaches nearest to 7. torquata, but differs
as follows: Antenne dark rufous, very gradually clavate, more slender
than in torquata, the pedicel one-third shorter than the first funiclar
joint, the funiclar joints to the fifth slender, decreasing in length, the

Se ma

420 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

fifth stouter, the joints beyond to the last oval-moniliform, the last
cone-shaped. The scutellum has a single large fovea at base, the bot-
tom with some raised lines; the median carina distinct only at the tip
of the scutellum. Cox piceous-black, the legs rufous. Tegul black.
Wings subhyaline, with a fuscous pubescence. The third abdominal
segment is very little longer than the fourth, the fifth and sixth about
equal, and longer than the third and fourth together.

Hasirat.—Ottawa, Canada.

Types in Coll. Ashmead.

Described from two 2 specimens received from Mr. W, Hague Har-
rington.

Tropidopria tetraplasta, sp. nov.

?. Length, not quite 2""- Polished, black; cheeks bare; collar, met-
apleura and petiole woolly; dorsum of metathorax bare, smooth, with
a median carina; mandibles piceous; antenne, except the club, and
the legs, including coxie, pale brownish-yellow. Antenne 12-jointed,
terminating in a 4-jointed club; the pedicel is much stouter, but not
quite as long as the first flagellar joint; the first, second, and third
flagellar joints equal, the three following a little shorter and thicker, the
club rather abrupt, the last joint the largest, oval, but scarcely longer
than the penultimate. Scutellum with a large fovea at base, its bot-
tom with about 5 raised lines; dorsum of scutellum carinated, but the
carine not extending into the fovea. Wings large, ciliated, the mar-
ginal vein triangular, pale brown. Abdomen pointed-ovate, scarcely
longer than the head and thorax together, the petiole short, not longer
than thick, woolly, the apex pointed, pilose.

HABITAT.—Washington, D. C,

Type in Coll. Ashmead.

Described from a single specimen taken in October. It comes nearest
to T. simulans, but the antenne are quite different, having a distinet
4-jointed club, and the color of antennz and legs are pale yellowish.

DIAPRIA Latreille
Préc., p. 110 (1796); Forster, Hym. Stud., 1, p. 123 (1856).
Psilus Panz.

(Type D. elegans Jur.)

Head rounded or subglobose, without a frontal suleus, the occiput
rounded. Ocelli 3, small, placed anteriorly. Eyes rounded. Antenne
on a frontal prominence, in ? 12-jointed, clavate, or gradually incras-
sated toward tips, sometimes the last three or four joints much en-
larged; the scape extends beyond the ocelli; the pedicel is usually
longer and stouter than the first funiclar joint; in ¢ 14-jointed, nodose-
pedicellate, with whorls of long hairs, the first funiclar joint longer
than the second, the second curved or dilated toward one side.

Maxillary palpi rather short, 5-jointed,

Mandibles bifid at tips,

¢
"1
©

scat

PP EF OS OS IES NY

to SER

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 421

Thorax ovoid, the prothorax slightly visible from above, usually
woolly; mesonotum a little longer than wide, smooth without furrows;
the mesopleura smooth, not impressed; scutellum rather small, sub-
convex, rounded off posteriorly without a medial carina, and unifoveated
at base; metathorax short, woolly, or pubescent, with an angulated
prominence at base, and more or less acute lateral angles posteriorly,

Front wings pubescent, with submarginal vein terminating in a
punctiform marginal vein at about one-third the length of the wing;
otherwise entirely veinless.

Abdomen ovate or oval, 7 or 8 segmented; the petiole longer than
thick, woolly, the second segment occupying most of its surface, the
following segments being very short.

Legs rather long, pilose; the femora and tibize clavate; the tibial
spurs distinct; posterior tarsi at least as long as the tibiz; the basal
joint one-third longer than the second.

The student will have no difficulty in recognizing the males in this
genus, as here restricted; but with the females it is quite different,
many females in the new genera Ceratopria, Trichopria, and Phenopria
closely resembling those of Diapria. Phaenopria can always be dis-
tinguished by the absence of a fovea at base of the seutellum; Cerato-
pria most frequently has two small foveze at base of the scutellum; the
head is usually longer than wide, with a frontal sulcus, and the club of
antenne is generally abrupt; while Trichopria, which is the most
closely allied, may be distinguished by the less prominent ridge at base
of the metathorax, which is areolated or bifovealated; the scutellum has
one or two shallow fovex at base, while the abdomen is oblong-oval and
less pointed at apex.

The following table will aid in determining our species:

TABLE OF SPECIES.

FEMALES.
Clnbroteanbenn ors) Ol bed eerie eel restore se ahaa tates ern eae tar tare atareala tal 3
Club of antenne 3-jointed.
Antenne and legs reddish-yellow, or yellow, sometimes more or less piceous,
ithorclubeblack. a. seal ss eke ahs col ais Sees Sele kn ei es 2
Antenne and legs black.
Second funiclar joint two-thirds the length of the first, the following joints
to the elub cylindrical, at least twice as long as thick.
D. CALIFORNICA, sp. nov.
Seeond funiclar joint half the length of the first and very little longer than
thick, the following joints to club short, moniliform.
D. UTAHENSIS, sp. nov.
2. First funielar joint thrice as long as thick, the following joints at least twice as
long as thick.
Legs uniformly reddish-yellow........--..-.---.-.-.-.D.ERYTHROPUS, sp. nov,
Legs piceous, the slender parts of femora, tibiz, and the tarsi, honey-yellow.
D. AGROMYZ2 Fitch,
First funiclar joint only twice as long as thick, the following joints scarcely
longer than thick.
ME OSB Cll O Waele oa aa eines oelerera es aiiaia) a aie vataleastelsisiela.s D. TEXANA, Sp. nov,

422 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

3.- Head, thorax, and abdomen black--=- 2-2.)-2-2-s-e5-2 see =e Sot eee 4
Head and abdomen black, the thorax rufous.......--- D. ERYTHROTHORAX Ashm.
4. Club slender, the pedicel much shorter than the first funiclar joint.

Antenne and legs long, yellow, the club black; funiclar joints all very long,
slender, the first the longest, twice as long as the pedicel, the others
subequal.2 eke oe nent tee eran eee D. COLUMBIANA, 8p. Dov.

Club incrassated, the pedicel longer than the first funiclar joint.
Antenne and legs piceous or black, trochanters, base of tibiz, and tarsi yellow.
Last joint of club much enlarged, 4 times as large as the penultimate, the first
joint distinetly larger than the last funiclar joint ...D. ARMATA Ashm,
Last joint of club not especially enlarged, only twice as large as the penul-
timate, the first joint not much longer than the last funiclar joint.
D. COLON Say.

Antenne and legs rufous or reddish-yellow, the club, or the terminal joints of
club alone, black.

Three terminal joimbtsiblack=a. ose. +-5---e see D. TETRAPLASTA, sp. nov.
Club wholly black.
Last four funielar joints not or scarcely longer than thick.
D. VIRGINICA, sp. nov.

All tuniclar joints fully twice as long as thick .....---- D. MUSC2, sp. nov.
MALES.

Head and abdomen black, thorax rufous ...-.....---- D. ERYTHROTHORAX Ashm.

Wholly black, antennie and legs ringed with piceous.-.......D. MUSC®, sp. nov.

The following species described by Thomas Say under the old genus
Psilus, probably belong in this genus: Psilus abdominalis, P. obtusus,
P. ciliatus, and P. apicalis. They remain unknown to me.

Diapria californica, sp. noy.
(Pl. xvin, Fig. 3, 9; a, ¢ antenna.)

?. Length,14to1.56". Polished black, impunctured, covered with
sparse long hairs; sides of collar and petiole woolly; palpi brown black;
legs black, pilose, the tarsi dark brown. Antenne 12-jointed, black,
sparsely pilose, terminating in a 3-jointed club; the first flagellar joint
is longer than the pedicel, the latter much the stouter; flagellar joints
2 to 6 subequal, the seventh a little longer and stouter than the sixth;
club 3-jointed, the last joint ovate, not quite twice as long as the preced-
ing joint but wider at base. Secutellum with a deep fovea at base
connected with lateral impressed lines. Metathorax opaquely sculp-
tured, with a prominence above and covered with a fine pubescence.
Wings hyaline or very faintly tinged, strongly fringed, the marginal
nervure wedge-shaped, rust brown; there is also a fuscous streak across
the wing below the marginal nervure. Abdomen ovate, polished, the
last segment produced into a little point, with long sparse hairs ; petiole
a little longer than thick, roughened and covered with a fine woolly
pubescence.

The ¢ agrees with the female except the antenn are 14-jointed, long
filiform, with the scape black, the flagellum brown, pilose; the first

+Au-2e

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 423

flagellar joint is the longest joint, the second is a little shorter, clavate,
a little curved, the following, very little shorter, fusiform.
HABITAT.—Santa Cruz Mountains, California.
Types in National Museum.

Diapria utahensis, sp. nov.

2. Length. 1.4™™. Agrees in every respect with D. californica, ex-
cept as follows: The antenne are a little shorter; the first flagellar
joint is scarcely longer than the pedicel; the second, about half the
length of the first; the following to the club all short, not or scarcely
longer than thick, very slightly widened, moniliform; club 35-jointed,
the first joint moniliform, the last oblong. The fovea at base of scutel-
lum is shallow as compared with D. californica, and not connected with
the lateral impressed lines. The petiole is as thick as long; therefore
a little shorter than in D. californica, while the body of the abdomen
is a little longer.

HABITAT.—Salt Lake, Utah.

Types in Coll. Ashmead.

Two 2 specimens received from Mr. E. A. Schwarz.

Diapria erythropus, sp. nov.

?. Length, 1.6 to 1.8"". Polished black, impunctured; antenne,
except club, and legs, reddish-yellow; metathorax and petiole piceoms;
wings hyaline, strongly fringed.

Antenne long, 12-jointed, terminating in a 3-jointed, black club; the
first flagellar joint is about as long as the pedicel, more slender, cylin-
drical, joints 2 to 6 subequal, seventh much longer and stouter than
the sixth; club joints all longer than thick. Collar woolly at sides. Seu-
tellum faintly foveated at base, very slightly ridged toward apex, the
sides sloping and with a slight impressed line. Abdomen ovate, a littie
longer than the thorax, polished black, the petiole piceous or yellow-
ish, scarcely longer than thick, pubescent above and beneath.

The 6 differs in having long 14-jointed antenne, rufo-piceous toward
tips, the joints relatively as in D. californica, the thickened parts of the
legs more or less piceous, while the abdomen is shorter and of an oval
shape, colored as in the female.

HABITAT.—District of Columbia, Virginia, and Florida.

Types in Coll. Ashmead.

Diapria agromyze Fitch.

Second N. Y. Report, p. 303; Cress. Syn. Hym. N. A., p. 251.

“The Wheat Mow Fly’s Parasite. They measure 0.06"" in length,
and to the tip of the closed wings, 0.08"", They are black and shining,
with shanks thickened toward their tips, the hind pair very long, and
the legs are pale yellowish, with the thighs and the thickened ends of
the shanks black. The abdomenis elliptic. The antennz in the males

424 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

are thread-like and nearly as long as the body, composed of 14 joints,
which are very distinet, equal, oval, a third longer than broad, the
apical one being a little longer and egg-shaped, and the basal one elub-
shaped, and thrice as long, but scarcely thicker, than the following ones.
In the female they are shorter and composed of 12 joints, which are
compacted together, the three last enlarged and forming a kind of knob
or club, the last joint nearly as long as the two which precede it, its
end bluntly rounded.”

HapsiratT.—New York and Long Island.

Reared by Dr. Fitch from Agromyza tritici.

A single @ specimen, doubtfully referred to this species, is in my
collection obtained frc a Mr. Martin Linell. It measures 1.5™™ long and
is similar to D. erythropus, but differs as follows: Antenne piceous-
black; the seventh funiclar joint is only a little longer and stouter than
the sixth; the legs are honey-yellow, with the hind cox black, and
the clavate parts of the femora and tibize piceous.

Dgapria texana, sp. nov.

?. Length, 1.8"". Closely allied to D. erythropus, but with the legs
more decidedly yellow, the funiclar joints very gradually shortening, the
joints after the first only a little longer than thick, the seventh shorter
than the sixth and very little stouter, the club much larger. The fovea
at base of scutellum is more deeply impressed, the metathorax more
pubescent, while the petiole is black; otherwise as in D. erythropus.

HABITAT.—Texas.

Type in Coll, Ashmead.

Diapria erythrothorax Ashm.

Can. Ent., x1x, p. 196.

@. Length, 1.5™". Head and abdomen black, shining; thorax,
reddish-yellow; legs and antenne, honey-yellow. Antenne, 14-jointed,
the joints pedicellate-nodose, with whorls of bristles; the second flagel-
lar joint the longest, clavate, a little curved, the first, being but two-
thirds as long as the second, obconic. The scutellum has a fovea across
the base, without distinct lateral impressed lines, the apex slightly ridged
or compressed. Collar and petiole, woolly. Wings hyaline, strongly
fringed; the nervures pale yellow. Abdomen oval, black, polished,
shorter than thorax.

HABITAT.—Jacksonville, Fla.

Type in Coll. Ashmead.

Diapria columbiana, sp. nov.

2. Length, 2". Polished black, impunctured; antenne, except
the slender 4-jointed club, and the legs reddish-yellow. Head sub-
globose, narrowed behind the eyes. Antenne 12-jointed, long and
slender, the first flagellar joint twice as long as the pedicel, slender,

‘

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID&. 425

eylindrical, joints 2 to 6 very gradually decreasing, the second, fully four
times as long as thick, the last, a little thicker than the preceding,
very little more than twice as long as thick; club 4-jointed, black, the
last joint ovate, a little longer and thicker than the preceding, the
others oval. Thorax obliquely narrowed before, the collar produced
into a little rounded neck. Seutellum with a curved impression at
base. Wings clear hyaline, strongly fringed, the nervures pale yellow-
ish. Hind coxe large, oblong; all the legs very long, the trochanters
long, the femora and tibiz long, clavate. Abdomen ovate, black, pol-
ished; the petiole twice as long as thick, fluted.

HapiratT.—District of Columbia and Virginia.

Type in Coll. Ashmead.

Diapria armata Ashm.
Can. Ent., XxX,/p. 53.

2. Length, 1.6". Polished black, impunctured, cheeks, collar, met-
athorax, and petiole, woolly; legs piceous-black, with the trochanters,
base of femora, tibiz, and tarsi rufous. Antenne 12-jointed, black,
clavate, the club 4-jointed, incrassated, the last joint conic-ovate, stouter
and as long as the 3 preceding joints united; first funiclar joint a little
longer and slenderer than the pedicel, the following joints shorter, a
little longer than thick and very slightly widened at tips, the last
joint a little thicker than the preceding. Seutellum with a transverse
fovea at base connected with the lateral impressed lines. Metathorax
with a very sharp, prominent, triangularly acute keel just back of the
postseutellum, the sides densely woolly or pubescent. Wings hyaline,
strongly fringed, with a streak across the wing below the stigma.
Abdomen ovate, polished black, the petiole a little longer than thick,,
fluted.

- HABITAT.—Ottawa, Canada.
Type in Coll. Ashmead.
A single specimen received from Mr. W. Hague Harrington.

Diapria colon Say.

Pailus colon Say., Bost. Jour., 1, 284; Lec. Edit., 1, p. 729.
Diapria colon Cress., Syn. Hym., p. 251.

2. Length, 1.1". Polished black, impunctate; cheeks behind,
collar and metapleura woolly; legs black, sutures of trochanters, base
of tibizw, and the tarsi piceous or brown; wings subhyaline, strongly
fringed, with a dusky streak below the stigma. Antenne 12-jointed,
terminating in a 4-jointed club, the last joint oblong, as long as the two
preceding joints united, the first and second joints moniliform, the
first much smaller than the second, the third quadrate, wider. Scutel-
lum with a distinct fovea, the fovea itself with 2 punctures at bottom
and connected with impressed lines at the sides, which themselves are
connected with a transverse punctate line at the apex of the scutellum.

A26 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Abdomen oblong-oval, polished black, the petiole a little longer than
thick, striated, pubescent.
Hapirat.—California, Indiana.

This species is recognized from a single specimen discovered in a |
small lot of Hymenoptera, purchased from a collector in California.

Diapria tetraplasta, sp. nov.

@. Length, 1.6"™". Polished black; antennx, except the three ter-
minal joints of the club which are black, dark rufous; legs pale rufous
or reddish-yellow. Antenne 12-jointed, terminating in a 4-jointed club,
the flagellum two and a half times as long as the scape; pedicel longer
and thicker than the first funiclar joint, the following joints to the club
searcely longer than thick; the first joint of club small, oval, the second
larger, the third still larger, transverse, the last longer, conic, but not
thicker than the preceding. Scutellum with a shallow, smooth, trans-
verse fovea at base. Wings fusco-hyaline, pubescent, and with long
ciliw, the marginal vein small, triangular. Abdomen ovate, pointed at
apex, polished black, the petiole about twice as long as thick, piceous,
and fluted.

HAsBitTatT.—Carolina and Washington, D. C.
Types in Berlin Museum and Coll. Ashmead.

Described from a specimen in the Berlin Museum, labeled *‘ Carolina,
Zimmermann,” and specimens in my collection from Washington.

Diapria virginica, sp. nov.

?. Length, 1.5"". Polished black; antenne, except the 4-jointed
club and the legs, reddish-yellow; collar, metapleura and petiole coy-
ered with a cinereous wool. Antenne 12-jointed; first funiclar joint
shorter than the pedicel; the second almost as long as the first; joints
3 and 4 very little longer than thick; 5 and 6 rounded; club black, 4-
jointed, the first joint not quite as wide, oras long, as the following, rounded
behind, cup-shaped, the second and third quadrate, the last ovate, one-
half longer than the preceding. Scutellum with a shallow, transverse
fovea at base; the impressed lateral lines only indicated posteriorly,
entirely wanting anteriorly. Wings clear hyaline, strongly fringed,
the stigma yellowish. Abdomen ovate, polished black, the petiole
short, densely woolly.

HABiTatT.—Arlington, Va.

Types in Coll. Ashmead.

Described from three specimens.

Diapria musce, sp. nov.

¢¢@. Length, 1.6 to 2°". Polished black, witn some sparse long
hairs, the cheeks, collar, metapleura, and petiole covered with a dense,
woolly pubescence. Head rounded, when viewed from above, a little

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID®. 427

longer than wide. Eyes rather small, oval, coarsely facetted. Mandi-
bles and palpi pale brown. Antenne inserted on a frontal prominence;
in 2 12-jointed, pale brown, terminating in a black, 4-jointed club; the
scape projects far above the ocelli, above dusky, beneath pale; pedicel
stouter and slightly longer than the first funiclar joint; the funiclar
joints slender, cylindric, the joints very slightly shortened to club; the
| club joints large, quadrately oval, the last oblong; in the ¢ 14-jointed,
longer than the body, pale brown, the flagellar joints nodose-pedicellate
with whorls of hairs; the pedicel is about half the length of the first
flagellar joint, the following to the last shorter, the last pointed, fusi-
form. Seutellum with a large rounded fovea at base. Tegule honey-
yellow. Wings hyaline, with long ciliex. Legs, including cox, reddish-
yellow, the tip of the posterior tibiz slightly dusky, the cox more or
less pubescent, the legs sparsely pilose. Abdomen ovate, scarcely
longer than the thorax, subdepressed, the second segment occupying
most of its surface, the following segments very short, the third in 2
being longer than the others.
HApsirat.—Sacramento County, Cal.
Types in National Museum.

Described from many specimens, reared in September, 1890, by
Albert Koebele, from Dipterous puparia found in the ground.

A specimen of the puparium, sent with the parasite, shows it to be-
long to the large family Muscide.

Diapria abdominalis Say.

Psilus abdominalis Say, Lec. Ed. Say’s Works, 11, p. 729.
Platymischus abdominalis Ashm., Can. Ent., X1x, p. 195.
Diapria abdominalis Cr., Syn. Hym., p. 251.

-Antenne clavate, as long as the body; black, abdomen whitish.

Inhabits Indiana.

Body black; antenne broken at the second joint; first joint one-fourth the whole
length, whitish; second joint obconic; terminal joint ovate-fusiform, longer than
the three preceding joints together; wings very deeply ciliated; abdomen whitish,
particularly at base; tarsi white.

Length about one-fourth of an inch. (Say.)

Diapria obtusa Say.

Psilus obtusus Say, Lec. Ed. Say’s Works, 1, p. 383.
Galesus obtusus Ashm., Can. Ent., x1x, p. 195.
Diapria obtusa Cr., Syn. Hym., p. 251.

Black; feet whitish, thighs black in the middle.

Inhabits Indiana.

Body black, polished; antennie fuscous; anterior wings white and very obtuse,
finely ciliated; ciliz very short; feet whitish; thighs black, white at base and tip;
cox black.

Length nearly one-twentieth of an inch. (Say.)

428 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.
Diapria ciliata Say.

Psilus ciliatus Say, Lec. Ed. Say’s Works, I, p. 333.
Galesus ciliatus Ashm., Can. Ent., xix, p. 195.
Diapria ciliata Cr., Syn. Hym., p. 251.

Black; feet whitish; hairs of the wings elongated.

Inhabits Indiana.

Body black, polished; antennie with an oblong acute club, at base honey-yellow; ~
petiole of the abdomen and feet honey-yellow; wings deeply ciliated, the hairs longer
than the transverse diameter of the wings.

Length less than one-twentieth of aninch. (Say.)

This appears to me to be a Cosmocoma in the family Mymaride.

Diapria apicalis Say.

Psilus apicalis Say., Bost. Jour., 1, p. 283; Lec. Ed. Say’s Works, 11, p. 729.
Aneurhynchus apicalis Ashm., Can. Ent., Xrx, p. 195.
Diapria apicalis Cres., Syn. Hym., p. 251.

Antenne at the tip of the head, which is a little prominent.

Inhabits Indiana.

Body black, polished; antenn as long as the body, fuscous, with subquadrately
moniliform joints; basal joint honey-yellow; terminal joint not much longer than the
preceding one; inserted at the tip of the head; beneath the antennz is rather a broad
prominence; costal nervure but little less than half the length of the wing, triangular
and black atits tip; feet honey-yellow; petiole distinct.

Length one-twenty-fifth of an inch. (Say.)

CERATOPRIA Ashm., gen. noy.
(Type C. longiceps Ashm.)

Head globose or oblong, with a frontal impression, the oeciput faintly
margined, the cheeks with a tuft of wool behind; ocelli 3, very small;
eyes rounded.

Antenne inserted ona frontal ledge, in ° 12-jointed, terminating in
an abrupt 3-jointed club, the pedicel much longer than tke first funiclar
joint, the first funiclar joint only a little longer than thick; in ¢
14-jointed, filiform, the pedicel small, rounded, the first funiclar joint
shorter than the second, the second stouter, the joints beyond, except
the last, submoniliform, bristly.

Maxillary palpi 4-jointed, stout, the last joint terminating in 2 long
bristles.

Mandibles short bifid.

Thorax ovoid, the collar usually woolly, the mesonotum smooth,
without furrows, scutellum most frequently bifoveated at base, with
lateral grooved lines; metathorax short, woolly, emarginated, bicari-
nated above, the angles usually acute.

Front wings pubescent, the submarginal vein ending in a small
punctiform marginal vein at about one-third the length of the wing;
no basal nervure.

“noe

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID®. 429

Abdomen oblong-oval, with a very short, thick, woolly petiole, the
second segment very large, occupying more than two-thirds its whole
surface, the following segments very short.

Legs clavate, pilose, the basal joint of posterior tarsi about twice as
long as the second.

Very closely allied to Lovotropa Forster, but the absence of the basal
nervure at once separates it.

The following table will aid in determining the species:

TABLE OF SPECIES.

FEMALES.

Secutellum with a single fovea at base, head globose. ..---..-----+--+---++++--- 3
Scutellum with an arcuate impressed line at base, head oblong. ..------------- 2

Seutellum with two small fovee at base, head oblong.
Club abrupt, 3-jointed, black, the joints nearly equal.
Antenne and legs yellow....--------------+---------- C. LONGICEPS, sp. nov.
Club not so abrupt, 3-jointed, black, the last joint very large, about as long as
the two preceding together.
Antenne wholly black, or piceous-black, legs yellow.
C. MEGAPLASTA, Sp. nov.
Antenne and legs yellow...-.-----------------+---- C. BIFOVEOLATA, 8p. Nov.
2. Club abrupt, 3-jointed, black, the first joint not half the length of the second, the
third one-third larger than the second; rest of antennie and legs
yellow .--- ---- --<- -ceee ns bbe eee eben =o 28 C. PUSILLA, sp. nov.
3. Club 3-jointed, incrassated.
Antenne piceous or black, legs rufous, cox and the swollen portion of the
femora and tibiz piceous.
Last joint of club not much larger than the penultimate; first funiclar joint

thrice as long as thick..-.---------------- C. INFUSCATIPES, sp. nov.
Last joint of club greatly enlarged, as large as the two preceding united;
first funiclar joint twice as long as thick ...... C, FLORIDANA Ashm.

Ceratopria longiceps, sp. nov.

@. Length, 14°". Polished black, impunctured; cheeks behind,
collar and metathorax pubescent; antenne, except club, and the legs
yellow. Head oblong, a little longer than wide, with some sparse long
hairs. Antenne 12-jointed, ending in an abrupt 3-jointed club; pedicel
longer than the first and second funiclar joints united and much stouter;
funiclar joints 2 to 5 not longer than thick; joints 6 and 7 transverse;
club 3-jointed, black, the first and second joints quadrate, distinctly
separated, the third or last oval, closely joined to the second. Scutel-
lum flat, triangular, with two small shallow fovee at base. Meta-
thorax tricarinate, the surface channeled between the carinwe, pubes-
cent. Wings clear hyaline, fringed, but the fringe short; stigma yel-
lowish. Abdomen oblong oval, polished black, the petiole stout, as
wide as long.

The ¢ differs in having 14-jointed, filiform-moniliform antenne, the
first flagellar joint being only two-thirds as long as the second, the sec-
ond being the longest and the stoutest joint and slightly curved; the

430 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

following joints are moniliform, except the last, which is ovate; all the
flagellar joints have rather short stiff bristles; the head is globose, while
the scutellar fovea is a little more deeply impressed than in the female.
Hapirat.—Arlington, Va.
Types in Coll. Ashmead.

Ceratopria megaplasta, sp. nov.

2. Length, 1.1". Polished black, impunctured; cheeks behind,
collar and metatborax woolly; antennze wholly black, the scape piceous
beneath; legs yellow. Head oblong, very little wider before tlan
behind, covered with some long, sparse hairs. Antenne 12-jointed,
clavate; first funiclar joint about as long as the pedicel but more
slender, cylindrical, the following joints moniliform, very slightly
increasing in size to the club; club 3-jointed, the first and second joints
quadrate-moniliform, the last oblong, a little larger than the 2 preceding
joints together. Scutellum flat, with 2 small fovee at base. Wings
hyaline, fringed, the stigma yellowish. Abdomen ovate, black, polished,
the petiole short, stout, rugose, fully as wide as long.

HABITAT.—Ottawa, Canada.

Type in Coll. Ashmead.

A single specimen, received from Mr. W. Hague Harrington, differs
from the preceding species in the color of the antennz, the proportions
of the antennal joints and in the shape of the abdomen.

Ceratopria bifoveolata, sp. nov.

?. Length, 1’. Agrees in shape and general appearance with C.
megaplasta, but with the following differences: The antenne, except
the club and the legs, are reddish-yellow; the first funiclar joint is a
little shorter than the pedicel; the abdomen oblong-oval, obtusely
rounded at tip; while the petiole is short and so woolly that its sculp-
ture can not be made out; otherwise it agrees perfectly with C. mega-
plasta.

HaBirat.—Harpers Ferry, W. Va.

Type in Coll. Ashmead.

A single specimen. Taken by Mr. E. A. Schwarz, June 19, 1891.

Ceratopria pusilla, sp. nov.

2. Length, 0.8"". Polished black, impunctate; antenne, except
the club and the legs, honey-yellow. Head a little longer than wide.
Antenne 12-jointed; the club abrupt, 3-jointed, black, the first joint
not half the length of the second and much narrower, the last ovate,
longer than the preceding joint; first funiclar joint a little longer than
thick, the following to last scarcely as long as thick, the last transverse.
Seutellum with a curved, slightly impressed line at base. Wings hya-
line, pubescent, with short cilia, Abdomen oblong, black, polished,

{
‘
4
>
>
=

‘he

CF - SS ier

oe

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 431

truncate behind, the petiole small and short, woolly, the second segment
with 2 foveol at base.
Hapsrrat.—Arlington, Va.
Type in Coll. Ashmead.
A single specimen.
Ceratipria infuscatipes, sp. nov.
(Pl xvi; Fig:3, 9.)

9. Length, 12°". Polished black, impunctured; antenne piceous
black; legs rufous, coxie and the swollen parts of femora and tibie,
piceous or dusky. Head globose, with long, sparse hairs. Antenne
12-jointed; the club 3-jointed, incrassated, the first joint rounded, a little,
smaller than the second, the second quadrate, the last ovate twice as
long as the preceding; first funiclar joint cylindrical, as long as the pedi-
cel, funiclar joints 2 to 6 shortening, but all much longer than thick, the
seventh oval. Collar woolly, metathorax and petiole densely pubescent.
Sentellum with a rather large, deep fovea at base. Wings hyaline,
fringed, the stigma piceous. Abdomen ovate, black polished, the
petiole not longer than thick.

Hapirat.—Ottawa, Canada.

Type in Coll. Ashmead.

A single specimen received from Mr. W. Hague Harrington. In the
shape of the head, the large scutellar fovea, length of the funiclar joints,
and the ovate abdomen, this species is quite distinet from those pre-
viously described, and its position in this genus is doubtful.

Ceratopria floridana Ashm. 7

Cephalonomia floridana Ashm., Can. Ent., x1x, p. 196.
_ &. Length, 1.1™. Polished black, impunctured; trochanters, base
of tibiee, and tarsi honey-yellow. Antenne 12-jointed, ending in a 3-
jointed, incrassated club, the last joint being oblong, much stouter than
the penultimate, and as long as the two preceding joints together, the
first club joint being smaller than the second; first funiclar joint cylin-
drical, about twice as long as thick, the following very slightly widened
to the club, a little wider than long. Seutellum with a moderately
deep fovea at base. Metathorax and petiole covered with a cinereous
pubescence. Wings hyaline, strongly fringed, the stigma brown, Ab-
domen oblong-oval, black, polished.

Hapirat.—Jacksonville, Fla.

Types in Coll, Ashmead.

TRICHOPRIA Ashmead, gen. nov.

(Type 7. pentaplasta Ashm.)
Head subglobose, without a frontal impression, the occiput rounded,
cheeks woolly; ocelli 3 small; eyes rounded.
Antenne, in ? 12-jointed, the club gradually inerassated, not abrupt,
4or 5 jointed; in 4 14-jointed, filiform, covered with short, sparse hairs;

432 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

the pedicel is small, oblong, or rounded; the second funiclar joint
shorter than the first, slightly emarginate at base, angulated towards
one side at tip, the joints beyond the third oval-moniliform, only slightly
longer than thick.

Maxillary palpi 5-jointed.

Mandibles short, bifid.

Thorax ovoid, the prothorax appearing above as a transverse ridge,
the sides always woolly; mesonotim smooth, without furrows; scutel-
lum with a single shallow fovea at base, very rarely with two small
shallow fovex, and without lateral impressed lines; metathorax short,
bicarinated above, hardly emarginate, the posterior angles not acute or
prominent, and always woolly or covered with a dense appressed pu-
bescence.

Front wings pubescent, ciliated, the submarginal vein terminating
in a small, triangular marginal vein before attaining one-third the
the length of the wing; no basal, or other nervures.

Abdomen oblong-oval, the petiole longer than thick, fluted, woolly
above and beneath; the second segment occupies most of the remain-
ing surface, with a depression or sulcus at base above, the following
segments very short.

Legs clavate, pilose, the posterior tarsi long, slender, the basal joint
about twice as long as the second, claws long, curved.

The males in this genus are quite distinct from Diapria in the an-
tennal characters, while the females, as before remarked, are quite
similar and difficult to separate. The antenne, however, have always
a 4- or 5-jointed club; the scutellum has a more shallow fovea, or two
small fove at base, and is without the lateral grooved lines which are
always present in Diapria; the metathorax has rarely the acute promi-
nent ridge at base; while the abdomen is more truncate at apex and
less pointed than in Diapria.

These characters, I believe, are constant and justify me in creating
anew genus, and, with a little study, the student will soon be able to
distinguish them at a glance.

As arule the species are smaller than in Diapria, and the following
table shows that the genus is well represented in North America:

TABLE OF SPECIES,
FEMALES.

1; Antennalelub4-jointed!’ 23. -ee= see eee oe oe oe eee eee ae. eee eee eee ieee 2
Antennal elub 5-jointed.
Antenne not entirely black, the club alone black or fuscous,
Scutellum with a single fovea at base.
Pedicel shorter than the first funiclar joint.

Legs, reddish-yellow; pedicel twice as long as thick

T. PENTAPLASTA, Sp. nov.

Legs yellow, the femora and tibiw fuscous; pedicel not longer than thick.

T, ZIMMERMANNI, sp.nov,

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDE. 433

Seutellum with 2 small fovew at base.
Pedicel about as long as the first funiclar joint.
IEG GST CUS tee cet at ein tale ceteris oe et eens aiceis « T. RUFIPES, sp. nov.
Antenne entirely black.
Pedicel shorter but thicker than the first funiclar joint.
Legs pale rufous, base of coxze-and the thickened portions of the femora and
tibiz more or less piceous ...........----- T. CAROLINENSIS, sp noy.
2 oAntennz. nots wholly iblack ve... s/s <jces, seseicsics sess.ccesss sss ciss tod a oe tee 3
Antenne wholly black.
Pedicel thicker and a little longer than the first funiclar joint.
Last joint of club large, twice the length of the penultimate, first joint
small.
Legs black, the trochanters, base of tibia and tarsi pale.
T. PoPENOEI Ashm.
3. Pedicel longer and thicker than the first funiclar joint.
Antenne fuseous or dark brown, club slender, the joints a little longer than
wide, the 6 funiclar joints slender, cylindric, twice as long as thick.
Legs rufous, the coxe, trochanters and knees yellow.-T. HARRINGTONIL Ashm.
Antenne fuscous only towards the tip, rufous basally, the club stout, the joints,
except the first, as broad as long.
Legs reddish-yellow, the femora and tibiw tinged with rufous.
T. PACIFICA, sp. noy.
Legs dark rufous; club abrupt, fuscous, four jointed, the joints except the
lasitquadratecss . 9282 Sie. se. soca e se oeces T. HIRTICOLLIS .Ashm.
Pedicel stouter but not longer than the first funiclar joint.
Club black, rest of antennz yellow, the funiclar joints, except the last, which
is moniliform, are longer than thick.
WHOS Say Cll Ow rece tee este ioe == cee oe teciesels eaeet-seiens T. FLAVIPES, sp. noy.

Trichopria pentaplasta, sp. nov.

2. Length, 1.5". Black, polished, impunctured; antenne, except
the club and legs, reddish-yellow. Head rounded. Antenne 12-
jointed, long, terminating in a 5-jointed club; first funiclar joint a little
longer than the pedicel; the following joints subequal, about three
times as long as thick, thelast, thickened; club black, the first joint ob-
long, the second, third, and fourth quadrate, equal, the last, conic,
longer but not thicker than the penultimate. Scutellum with a distinct
fovea at base. Metathorax carinated, pubescent. Wings hyaline,
strongly fringed; the stigma yellowish. Abdomen ovate, black, polished,
the petiole 14 times as long as thick, fluted, pubescent, the second seg-
ment truncate at base and slightly overlapping the base of the petiole.

The ¢ has 14-jointed, filiform-moniliform antenne, the first flagellar
joint twice as long as the pedicel and a little longer than the second;
the second stouter, a little curved and dilated into an acute point
outwardly at tip; the following joints moniliform, the last conical, all
the joints with stiff bristles. Scutellum with a deep fovea at base and
a Slight ridge toward tip; otherwise similar to the °@.

Hapsirat.—Washington, D. C.; Arlington, Va.; and Riley County,
Kans.

Types in Coll. Ashmead.

21899—No. 45——28

434 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.
Trichopria Zimmermanni, sp. noy.

?. Length, about 2°". Polished black; collar, metapleura, and
petiole covered with a dense griseous wool; legs yellowish, the clavate
parts of femora and tibize and the last tarsal joint fuscous. Antenne
12-jointed, nearly as long as the body, fuscous; flagellum more than
thrice the length of the scape; scape yellowish; pedicel not longer
than thick; funiclar joints cylindric, about 24 times as long as thick and
a little paler than the club; club brown-black, the first joint narrower
than the following, a little longer than wide, the three following joints
equal, quadrate, the last conic-ovate. Wings hyaline with a slight
fuscous tinge, strongly fringed,

Hasrrat.—Carolina.

Type in Berlin Museum.

Described from specimens in Berlin Museum labeled ‘Carolina,
Zimmermann.”

Trichopria rufipes, sp. nov.
(Pl. xvi, Fig. 4, 9; a, g antenna.)

2. Length, 2 to 2.2". Polished, black, with long, sparse hairs; the
antenne, except the 4 apical joints of club, and the legsrufous; cheeks,
collar, metathorax, and petiole woolly. Antenne 12-jointed, the flagel-
lum slightly more than twice the length of the scape; pedicel about as
long as the first funiclar joint, but stouter; the third, fourth, and fifth
joints equal, scarcely longer than thick; the first joint of the club is
only slightly thicker than the last funiclar joint, moniliform; the second
is wider, the two following as wide as long, the last short, conic. Seu-
tellum with 2 minute, almost obsolete, fovez at base. Wings hya-
line, fringed.

The male differs in having 14-jointed filiform-submoniliform antenne,
the first flagellar joint being four times as long as the pedicel, subcla-
vate, the second, stouter and two-thirds as long as the first, slightly
curved and dilated toward tip, the following oval-moniliform, the last
conical, twice as long as the penultimate; all with sparse, bristly hairs.

Hasirat.—District of Columbia and Virginia.

Types in Coll, Ashmead.

Trichopria carolinensis, sp. nov.

2. Length, about 2", Polished black, impunctured, sparsely pu-
bescent; head rounded; antennz 12-jointed, black, terminating in a
5-jointed club, the joints of which increase gradually in size; the pedi-
cel is shorter but thicker than the first funiclar joint; the funiclar joints
to the club are slender, cylindric, the first about 24 times as long as
thick, the following very slightly shorter, the last a little thicker than
the preceding; the first joint of the club is oval, the second round, the
third and fourth submoniliform, slightly wider than long, the last longer,
conic-ovate. Scutellum with a shallow, transverse fovew at base.

x

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID&. 435

Legs pale rufous, the base of the coxve and the clavalte portion of the
femora and tibize slightly infuscated; sometimes the base of the tibiae
is yellow. Wings hyaline, strongly iridescent, with long ciliz, the
marginal vein short, triangular, brown.

Haprrat.—Carolina and Pennsylvania,

Types in Berlin Museum,

Described from specimens labeled as having been received from
Dr. Zimmermann.

Trichopria Harringtonii Ashm.
Loxotropa Harringtonti Ashm., Can. Ent., xx, p. 53.

@. Length, 1™™. Black, polished, impunectured, with sparse, long
hairs; antenne dark red or rufo-piceous; legs, including cox, entirely
rufous; collar, metathorax, and petiole with a dense cinereous pubes-
cence; wings hyaline, faintly tinged, strongly fringed, the stigma
brown; there is also a brownish streak across the wing from the tip of
the stigma.

Antenne 12-jointed, ending in a long 4-jointed club, the joints nearly
equal in size, 15 times as long as thick; the funiclar joints are slender,
cylindrical, the first a little shorter than the pedicel; joints 2 to 4
twice as long as thick, 5 and 6 stouter. Abdomen ovate, pointed at
tip, the ovipositor slightly exserted; petiole longer than thick, woolly
or pubescent.

HABITAT.—Ottawa, Canada.

Type in Coll. Ashmead.

A single specimen received from Mr. W. H. Harrington.
Trichopria Popenoéei, sp. nov.

2. Length, 1.5™", Entirely black, smooth, shining; the trochanters,
base of tibiz and tarsi alone pale rufous or piceous; scutellum with a
single fovea at base; metathorax carinated, sparsely pubescent; petiole
woolly, not or scarcely longer than thick; abdomen oblong-oval, a
little pointed at tip, smooth and shining; wings hyaline, strongly
fringed, the stigma piceous; there is a yellowish streak across the
wing just beyond the tip of the stigma.

The antenne are 12-jointed, moniliform; the club 4-jointed, incras-
sated; the first joint small, rounded; the second larger, cup-shaped; the
fourth quadrate; the last still larger, oblong.

The ¢ agrees with the 2 except that the antenne are 14-jointed, fili-
form, and piceous; the first flagellar joint is less than thrice as long as
the pedicel or a little longer than the second, the latter dilated beneath
a little beyond the middle, the following oval-moniliform,

HAbrrat.—Rhiley County, Kans.

Types in Coll. Ashmead.

My specimens were received from Prof. EK. A. Popenoe.

436 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.
Trichopria pacifica, sp. nov.

?. Length,1.1". Polished black, impunctured; antenne, except
club and the legs, reddish-yellow; the clavate parts of the femora and
tibie piceous. Antenne 12-jointed, ending in a 4-jointed fuscous club,
the first joint longer than thick and narrower than the preceding, the
second and third, quadrate, the last conic, one-half larger than the pre-
ceding; first and second funiclar joints about equal, 14 times as long
as thick, cylindrical, the following moniliform. Scutellum with a single
fovea at base; collar, metapleura, and petiole woolly. Wings hyaline,
strongly fringed, the stigma yellow. Abdomen elliptic-oval, black,
polished, the petiole very short.

HABITAT.—Santa Cruz Mountains, California.

Type in National Museum.

Trichopria hirticollis Ashm.
Cephalonomia hirticollis Ashm., Can. Ent., X1x, p. 195.

?. Length, 1.9 to 2™, Robust, polished black, impunctured; an-
tenn, except club, and the legs dark rufous. Head thick, globose,
with some sparse long hairs. Antenne 12-jointed, ending in a 4-jointed
fuscous club, the joints, except the last, quadrate-moniliform, the last
conic; funicle slender, cylindrical, the first joint twice as long as thick,
a little shorter than the pedicel, the following joints subequal, the
last two joints not longer than thick. Collar densely woolly at sides.
Scutellum with a large fovea at base. Metathorax tricarinated, the
pleura sparsely pubescent. Wings hyaline, the ciliz not especially
long, the stigma honey-yellow. Abdomen ovate, black, polished, the
petiole short, thick, scarcely as long as wide, pubescent.

Hapirat.—Jacksonville, Fla.

Types in Coll. Ashmead.

Trichopria flavipes, sp. nov.

2. Length,1.1™™. Slender, polished black,impunctured; antenne,
except club, and legs yellow; collar, metathorax, and petiole woolly.
Antenne 12-jointed, long; club 4-jointed, fuscous, the joints, except
the last, quadrate-moniliform, the first the smallest, terminal joint
ovate. Scutellum with a moderate sized fovea at base. Wings hya-
line, fringed, the stigma yellowish. Abdomen ovate, as long as the
thorax, polished black, the petiole short and densely covered with wool.

HABITAT.—Arlington, Va.

Types in Coll. Ashmead.

PHA]NOPRIA Ashmead, gen. noy.
(Type D. minutissima Ashm.)

Head globose, a little broader than the thorax, the frons not im-
pressed; ocelli 3, small; eyes rounded and broadly oval.

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDA. 437

Antenne inserted on a slight frontal prominence; in ° 12-jointed, the
pedicel always much larger and stouter than the first funiclar joint,
the first funiclar joint only a little longer than wide, the 3 or 4 term-
inal joints enlarged, forming a club; in é 14-jointed, filiform-moniliform,
finely pubescent, the first and second funiclar joints elongated, about
equal or the second very slightly the shorter.

Maxillary palpi (?).

Mandibles short, bifid.

Thorax ovoid, the prothorax short, woolly; mesonotum smooth, with-
out furrows; scutellum subconvex, rounded behind, without a trace of
the lateral impressed lines or a fovea at base; metathorax short, woolly.

Front wings pubescent, strongly ciliated, the submarginal vein
terminating in a punctiform marginal vein at about one-third the length
of the wing; no other veins; occasionally apterous.

Abdomen oval, slightly pointed at tip, the petiole short, woolly, the
second segment occupying most of the surface, the following segments
very short.

Legs clavate, pilose or pubescent, the basal joint of posterior tarsi
twice as long as the second.

This genus is readily distinguished from all other genera in the
Diapriine, except Monelata Forster, by the non-foveated seutellum, and
from Monelata, which also has no fovea at the base of the scutellum,
by having 12-jointed, not 13-jointed, antenne.

The species are all very small, and evidently parasitic on Muscid
larve, P. hematobia, having been reared by Dr. Riley from the Horn-
fly, Hamatobia serrata.

Our species may be distinguished by the aid of the following table:

TABLE OF SPECIES.

FEMALES.
Seu CSS e HORL ENS ara lopettars! a/aeiat (ta soto ai oh SS ariela) ois austere ainas See <icinisins ome sisiers hacisine Sac 3
Winged.
ATHCEMNT com ONE] OME Me Chup eemayae a steery see meee esa ae eases ones eee 2

Antennx with a 3-jointed club, the last joint of which is enlarged, ovate.
Antenne black or brown-black,funiclar joints moniliform,not longer than thick.
Legs rufous, the cox, femora, and tibixw fuscous.. P. MINUTISSIMA, sp. nov.

Legs entirely reddish-yellow.....-.....-...----..-- P. HAMATOBILE, sp. nov.
Antenne reddish-yellow, the club black.
Werstreddish=yellow 2222 322 5 See Ns 5 Sa bss see P. VIRGINICA, sp. nov.

2. Club black or fuscous.
Legs yellow or reddish-yellow.
All the funiclar joints at least twice as long as thick...P. SCHWARZII, sp. nov.
3. Antenne black or brown-black, gradually incrassated.
Legs rufo-piceous, the trochanters, base of tibiw, and tarsi pale.
Abdomen long-oval, 24 times as wide as the thorax.........P. APTERA, sp. nov.
Antenne reddish-yellow, with a distinct 4-jointed black club.
Legs reddish-yellow.
Abdomen long-oval, only twice as wide as the thorax..... P. AFFINIS, Sp. nov,

438 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Wingless forms.--.--...- adds ch oae Seb cee es ones ee ee es dann ste eee eae Since eee
Winged.
Legs yellow or reddish-yellow.
Seape yellow; flagellum pale brown.

First funiclar joint a little shorter than the second, less than thrice as long
as thick, the second strongly excised at base, the following joints
long-oval, fully twice as long as thick, the last conic, more than
one-third longer than the penultimate--....-- P. VIRGINICA, Sp. ov.

2. Legs rufous, the femora and tibiw piceous.
Antenne honey-yellow.
First and second funiclar joints nearly equal, more than thrice as long as thick, |
the joints beyond to the last oval-moniliform, less than twice as long
as thick, the last conical, one-third longer than the penultimate.

P. PARVA, Sp. nov.
Antenne piceous-black.

First and second funiclar joints not equal, the second not thrice as long as thick,
angulate towards one side, the joints beyond to the last long-oval,
folly twiceras song yas thie kee eee ee ee eee P. MONTANA.

Pheenopria minutissima, sp. noy.

2. Length, 0.9"". Polished black, impunctured; antennze piceous,
the scape rufous; legs rufous, the cox and clavate part of femora and
tibie piceous; wings hyaline, strongly fringed, the stigma piceous;
collar at sides, metathorax, and petiole with a fine, cinereous pubes-
cence. The antenne 12-jointed, ending in a 3-jointed club, the last
joint oblong, as long as the two preceding joints united; funicle monil-
iform, the first joint alittle longer than thick, the following moniliform,
not longer than thick, very slightly increasing in size to the club.
Scutellum convex without a trace of a fovea at base. Abdomen ovate,
pointed at tip, the petiole very short, not as long as thick.

HApBirat.—Jacksonville, Fla.

Type in Coll. Ashmead.

Phenopria, hematobie, sp. nov.

2. Length, 0.8". Very close to P. minutissima but differs as fol-
lows: The cheeks have a tuft of pubescence not present in the former ;
antenne a little stouter, the pedicel larger, oblong; mesonotum a little
shorter and not so much narrowed anteriorly as in P. minutissima; the
petiole a little longer, while the legs are uniformly reddish-yellow.

HABITatT.—Arlington, Va.

Types in National Museum.

The species was reared by Dr. Riley from the larvaot Hamatobia serrata,

Phzenopria virginica, sp. nov.

(Pl. xvi, Fig. 5, ¢; a, 9 antenna.)

@. Length, 1.1". Polished black, impunctured; antenne, except
club, and legs reddish-yellow or yellowish; cheeks behind, collar, and
petiole woolly; metathorax pubescent; wings hyaline, fringed, the
stigma long, brownish; head thick, globose.

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID. 439

The antenne are 12-jointed, rather long, the elub black or fuscous,
3-jointed, the last joint ovate, about one-half longer than the preceding,
the first a little smaller than the second; funicle cylindrical, moniliform,
the first joint two-thirds the length of the scape, the second subequal,
the following joints not longer than thick. Abdomen ovate, pointed at
tip, polished black, the petiole short and very woolly.

In the ¢ the antenne are 14-jointed, as long as the body, pilose, the
second flagellar joint a little longer than the first, slightly curved, and
dilated toward apex, the following elliptic-oval, all except the last, about
of an equal length, the last conical, much longer than the penultimate.
The antennex, legs, and petiole are yellow.

Haprrat.—District of Columbia and Arlington, Va

Types in Coll, Ashmead.

Pheenopria Schwarzii, sp. nov.

@. Length, 1 to 1.2". Polished black, impunctured; antenn, ex-
cept club, and legs reddish-yellow or yellowish; club 4- jointed, fuscous;
cheeks behind, collar, metathorax, and petiole woolly. Antenne about
as long as the body, 12-jointed, ending in a 4-jointed club, the joints,
except the last, oval-rotund, the last conic, one-half longer than the
preceding; funicle very slightly incrassated toward the club, the first
joint about as long as the pedicel, but not so thick, the second and fol-
lowing subequal, very slightly increasing in width, the last being only
little narrower than the first club joint. Wings hyaline, fringed, the
stigma yellowish. Abdomen ovate, polished black, the petiole thick,
as wide as long, the second segment occupying most of the surface of
the abdomen, its base inclosing the tip of the petiole.

Hapitat.—Jacksonville, Fla., District of Columbia, Maryland, and
Virginia.

Types in Coll. Ashmead and National Museum.

Described from many specimens. The species is dedicated to Mr. E.
A. Schwarz, to whom I am indebted for many specimens taken in and
around Washington.

Pheenopria aptera, sp. Nov.

9. Length,1.4"™". Apterous; polished black,impunctured. Anten-
ne black or brown-black, gradually incrassated, submoniliform, the three
joints preceding the last very briefly pedicellate, the last conic, not quite
as long as the two preceding joints united, the penultimate joint quad-
rate. Head globose, much wider than the thorax. Cheeks, collar, and
metathorax pubescent or woolly. Legs rufo-piceous, the trochanters,
base of femora and tibis, and the tarsi yellowish. Abdomen oblong-
oval, much broader than the thorax, polished black, with sparse hairs
at apex, the petiole wider than long, rugose.

HABITAT.—Ottawa, Canada.

Types in Coll. Ashmead.

440 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Described from 8 specimens received from Mr. W. Hague Harrington.
The species bears no resemblance to any other species placed in this
genus, but closely resembles Loxotropa pezomachoides Ashm., with
which it was confused in my collection. It is, however, readily sepa-
rated from that species by the entire absence of a fovea at base of scu-
tellum and the slight difference in the shape of the antenne,

Phenopria affinis, sp. nov.

?. Length, 1.2"". Apterous; polished black, impunctured; an-
tenn, except the 4-jointed club, and the legs reddish-yellow.

Antenne 12-jointed, ending in a 4-jointed club, the joints of the club
very gradually increasing in size; funicle subcylindrical, the first joint
about as long as the pedicel, the following joints very gradually shorten-
ing, the last two a little thickened, and none less than twice as long as
thick. Cheeks behind pubescent; collar, metathorax, and petiole woolly.
Abdomen oblong-oval, wider than the thorax, the second segment over-
lapping the apex of the petiole, the latter scarcely longer than thick.

HABitTatT.—District of Columbia.

Type in Coll. Ashmead.

A single specimen received from Mr. E. A, Schwarz.

Smaller and quite distinct from P. aptera in the color of the antennz
and legs and in having different shaped antenne.

Pheenopria parva, sp. nov.

é. Length, 0.8"", Apterous; polished black, impunctured; anten-
ne, coxe, trochanters, base of tibiw, and tarsi honey-yellow; rest of
the legs rufous. The antenne are long, 14-jointed, sparsely pubescent,
the first and second flagellar joints long, subequal, the second slightly
the shorter, a little curved and dilated toward apex; the following
joints, except the last, oval-moniliform, nearly equal, 15 times as long
as thick, the last conical, longer than the preceding.

HABITA’T.—District of Columbia,

Type in Coll. Ashmead.

A single specimen from Mr. E. A. Schwarz, and possibly the oppo-
site sex of P. affinis.

Pheenopria montana, sp. noy.

é. Length, 1"". Differs from P. parva as follows: The antenne
are piceous or black, the first and second funiclar joints long, subequal,
the second, angulately produced toward apex, the following joints
elliptic-oval, fully twice as long as thick; metapleura and petiole yel-
lowish, but still woolly, while the cox are rufous, not honey-yellow.

HABITAT.—Santa Cruz Mountains, California.

Type in Coll, Ashmead.

A single specimen obtained by purchase. The difference in the
length of the flagellar joints and the color of the metapleura and
petiole will readily distinguish the species. .

nt OS

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDE. 441

MONELATA J orster.
Hym. Stud., m1, p. 125 (1856).

Corynopria, Hal. Nat. Hist. Rev., Iv, p. 170 (1857).
(Type Diapria parvula Nees. )

Head rounded, slightly wider than the thorax, with a slight frontal im-
pression, the occiput slightly emarginated and rounded; cheeks pubes-
cent; ocelli 3, small, placed in a triangle anteriorly; eyes rounded.

Antenne inserted on a slight frontal ledge, in 2 13-jointed, clavate,
the last joint, which constitutes the club, being abnormally enlarged,
several times larger than the preceding; scape cylindrical, reaching
considerably beyond the ocelli; pedicel large, a little elongate, much
stouter than the funiclar joints, and as long as the first two or three
together; in ¢ 15-jointed, filiform.

Maxillary palpi 5-jointed.

Mandibles bifid.

Thorax ovoid, the prothorax visible from above as a transverse woolly
line; mesonotum a little longer than wide at base, smooth, without
furrows; scutellum subconvex without a trace of a fovea at base and
at the most separated from the mesonotum by a faint transverse line;
metathorax emarginated posteriorly, sparsely woolly, the angles more
or less acute.

Front wings pubescent, strongly ciliated, the costal cell scarcely dis-
tinct, the submarginal vein reaching the costa a little before half the
length of the wing, marginal vein punctiform, the basal vein wanting.

Abdomen oblong-oval, subtruncate posteriorly, the petiole short,
woolly, strigose, the second segment very large, without a basal sulcus,
beneath at base woolly, the following segments all very short.

Legs moderate, pubescent, the femora clavate, the tibiz subclavate,
the tibial spurs not very prominent, hind tarsi as long as their tibize,
slender, basal joint much longer than the second.

This genus could only be confused with Phenopria, but the enor-
mously enlarged terminal antennal joint in the female and the 13-jointed
antenn in both sexes sufficiently differentiate the two.

Three species are known in Eunppe, while but two species have been
discovered in our fauna, which may be thus distinguished.

Black; antenne, except the large terminal joint, rufous or yellow.

Legs yellow.

Collar and mesopleura piceous or pale; antenn:e yellow.

M. MELLICOLLIS Ashm.
Collar and mesopleura black; antennz rufous.......-...M. HIRTICOLLIS Ashm.

Monelata mellicoilis Ashm.
(Pl. xvi, Fig. 6, 9; a, ¢ antenna.)
Can. Ent., x1x, p. 197.

2. Length, 1". Polished black; antennie, except the abnormally
enlarged terminal joint, collar, and legs, honey-yellow; mesopleura,

442 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

piceous. Flagellum searcely twice the length of the scape; pedicel
long, stouter than funicie; first funiclar joint twice as long as thick;
the following all moniliform, the two or three joints preceding the club
a little transverse; the club consists of one enormously enlarged joint,
fuscous. Abdomen ovate, polished black, the petiole 15 times as long
as thick, yellowish, densely woolly, the wool beneath extending on to
the base of the second ventral segment. .

Hapsitat.—Jacksonville, Fla.

Type in Coll. Ashmead.

Monelata hirticollis Ashm.
Can. Ent., xx, p. 54.

2. Length, 1.1". Differs from the species just described in being
slightly larger, with the antenne dark rufous, the club black, the legs
yellow or reddish-yellow; while the collar, metapleura, and petiole are
black and densely woolly.

HapiratT.—Ottawa, Canada.

Type in Coll. Ashmead.

The species was described from a specimen received from Mr. W.
Hague Harrington.

BASALYS Westwood.
Phil. Mag., 1833, p. 343.
(Type B. fumipennis Westw.)

Head subglobose, the occiput margined, the clypeus entirely sepa-
rated, the cheeks woolly; ocelli 3, close together in a triangle; eyes
rounded.

Antenns inserted on a frontal prominence, in 2 13-jointed, either
moniliform, clavate or gradually incrassated toward tips, the scape
very long, reaching far beyond the ocelli; in ¢ 14-jointed, filiform,
the pedicel usually smaller than the first flagellar joint, the first flagel-
lar joint not more than half the length of the second, the second the
longest joint and always excised outwardly at base and dilated at apex,
the following joints, except the last, always shorter than the second.

Maxillary palpi short, 5-jointed, the third and fourth joints small,
equal, the last elongate, pilose.

Mandibles bifid at tips.

Thorax ovoid, the collar woolly at sides; mesonotum without fur-
rows (except sometimes indications of them posteriorly in the @ ), but
prominently elevated in the middle anteriorly; scutellum with a pro-
found fovea at base or with 2 confluent fovere ; metathorax emarginated,
with acute angles and a prominent acute median ridge above.

Wings in ¢ large, broad, pubescent; the submarginal vein attains the
costa at about one-third the length of the wing or a little beyond; the
costal cell closed; marginal vein short, triangular, usually with a

a
ba

Bit so aeepeen sarsternenses ie, ~

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDE. 443

stump of a stigmal vein that has a short backward directed branch;
? apterus.

Abdomen pointed, ovate, distinctly petiolated, the second segment
very large, with 2 sulci at base.

Legs clavate, pilose, the basal joint of posterior tarsi about one-third
the length of the second.

Westwood characterized the genus from the male sex alone, and the
difference noticed in the antenne sufficiently distinguishes it from all
other genera with non grooved mesonotum and 14-jointed antenne.

Thomson characterized the genus as having 12-jointed antennz, in ?,
buthe confused Loxotropa Forster with Basalys, and all his females are
now relegated to that genus.

The genus is undoubtedly closely allied to Loxrotropa and the females
are probably always apterous.

What I take to be the female of Basalys has 13-jointed antenne and
agrees in all essential characters with the male. Whether I am right
or wrong is, however, questionable, and can only be definitely settled
when specimens in both sexes have been reared, or the sexes are cap-
tured in coitu.

The species in our fauna known to me may be distinguished by the
aid of the following table:

TABLE OF SPECIES.

Remalos see eer aol camels Ste eee umes soos Sansa tases Ss Uae set eediase cee 2
Males.
Scutellum with an oblong fovea across the base.
Antenne and legs rufous; wings fuscous.

First flagellar joint oblong-oval, less than half the length of the second, the
second very stout, a little narrowed and curved towards the base,
the following joints shorter, fully thrice as long as thick, the last
acuminate, 14 times as long as the penultimate.

B. FUSCIPENNIS, sp. nov.
Scape, pedicel, and femora piceous, rest of antenne and legs pale rufous, or
brownish-yellow.

First flagellar joint longer than thick, about half the length of second, the
second stouter towards apex, narrowed and curved towards base,
the following joints shorter, not more than 2} times as long as thick,
the last much longer than the penultimate ....-. B. PICIPES, sp. nov.

Scape polished black, pedicel and flagellum brown.

First flagellar joint oblong-oval, less than half the length of the second,
which is dilated outwardly at apex, the following joints equal, 24
tIMeSstas: Lonesas) thickeese = aseeeeeeeee eee B. UTAHENSIS, sp. nov.

2. Winged; antennz and legs brownish-yellow, the former gradually incrassated and

dusky towards tips ; pointed tip of abdomen rufous. B. ANALIS, sp. nov

Winged; antennz and legs piceous, the former very short, filiform; bases of tibize
honey-yellow. - ee esses eo >. BREVICORNIS, Sp allo ve

Apterous; legs and funicle oe -y pllow. ; Scape eh ala brown-black, the latter
abrupt, 4-joited)=.=.--22---.------+.---- B, CALIFORNICA, Sp. Nov

444 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

Basalys fuscipennis, sp. nov.

é. Length, 2.7"". Polished black, impunctured; cheeks behind
and collar witha dense cinereous pubescence; antenne, legs, and petiole
brownish-yellow; wings fuscous. The antennz are very long, 14-jointed,
tapering toward tips; pedicel rounded, first flagellar joint about twice
as long as the pedicel, or less than half the length of the second flagellar
joint, the latter the longest joint except the last, very stout and a little
curved, the following joints to the last shorter, cylindrical, all about
of an equal length, fully thrice as long as thick, the last joint longer
than the penultimate. Thorax without furrows, but convexly swollen
medially anteriorly, the scutellum with a transverse fovea at base, the
sides straight. the postscutellum tricarinated, while the metathorax has
the angles lobed and a prominent, blunt, median carina. Wings fuscous,
pubescent; the submarginal nervure reaches the costa a little beyond
one-third the length of the wing; the marginal vein triangular, piceous,
with a cloud below its tip. Abdomen oval, black, shining; the petiole
brownish-yellow, only a little longer than thick, fluted, and covered
with a fine griseous pubescence.

HABItTAT.— Washington, D. C.

Type in Coll. Ashmead.

Described from a single specimen taken by Mr. E. A. Schwarz.
Basalys picipes, sp. nov.

$. Length, 2°". Polished black, impunctured; scape, pedicel, and
legs piceous; flagellum brownish or fuscous; base of tibize, trochanters,
and tarsi paler or brownish-yellow; wings subfuscous, The antenne
are 14-jointed, longer than the body, the first flagellar joint about half
as long as the second, the second the longest and stoutest joint except
the last, thicker toward apex than at base, a little curved, the follow-
ing joints not more than two and one-half times as long as thick, cylin-
drical, the last joint about twice as long as the penultimate, but slen-
derer. Metathorax covered with a rather dense cinereous pubescence,
rugulose. Abdomen entirely black, the petiole fluted, pubescent.

HABITAT.— Washington, D. C.

Type in Coll. Ashmead.

Described from a specimen given me by Mr. O. Heidemann. This
species differs from B. fuscipennis, in its much smaller size, color of an-
tenne and legs, the shorter flagellar joints, more pubescent metatho-
rax, and its wholly black abdomen.

Basalys utahensis, sp. nov.

é. Length, 2". Polished black, impunctured; scape black, shin-
ing; pedicel and flagellum brown-black; legs piceous, the trochanters,
knees, base and tips of tibiae and tarsi, rufous. The antenne are 14-
jointed, stouter than in the preceding species, the first flagellar joint
less than half as long as the second, the latter one-third longer than

2ieNe ee.

PTET ee ae 0S

OA ae

~ DE RD PRE ROPER: PLE

os

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDH. 445

the third, and a little dilated toward tip, joints 3 to 5 about twice as
long as thick, the joints beyond to the last about two and one-half
times as long as thick, the last one-half longer than the penultimate.
The scutellum has a large, deep quadrate fovea at base, the sides
parallel, keeled; the metathorax rugose, with the usual central carina
above, prominent posterior angles and almost devoid of pubescence.
Wings subhyaline, pubescent, the venation pale, the stigma brown,
with a slight cloud beneath the tip. Abdomen oblong-oval, black,
shining, the petiole very stout, not longer than thick, rugose, pubes-
cent above and beneath.

Hapsirat.—City Canyon, Utah.

Type in Coll. Ashmead.

A single specimen given me by Mr. Schwarz. Resembles Bb. picipes,
but the antennz are shorter and stouter, wings paler, while the abdo-
men is differently shaped.

Basalys analis, sp. nov.

2. Length, 2.5". Polished black; antennae and legs brownish-
yellow, the former dusky toward the tips; collar, metathorax and
petiole covered with a white woolly pubescence; scutellum bifoveated
at base; metathorax with a pyramidal prominence at base.

Antenne 13-jointed, very long, the scape unusually long, more than
half the length of the flagellum, the flagellum gradually incrassated
towards the tip; pedicel stouter but not longer than the first flagellar
joint; the flagellar joints to fifth gradually shortening, but widening,
the following to the last, submoniliform, the last, enlarged, ovate, about
thrice as large as the penultimate.

Wings subhyaline, pubescent, the marginal vein thickened and
truncate at apex. Abdomen conic-ovate, one and a half times as long
as the head and thorax together, polished black, the pointed tip reddish.

HABITAT.—Carolina and Texas.

Types in Berlin Museum and Coll. Ashmead.

Described from two specimens. The specimen in the Berlin Museum
is labeled ‘‘Carolina, Zimmermann.”

Basalys ruficornis Proy.
Nat. Can., xu, p. 261; Faun. Ent. Can., 11, p. 560.

é. Length,0.15inch. Black, polished, shining; the mandibles, with
the legs, rust red; the palpi pale yellow. Antenne ferruginous, in-
serted on a prominence of the face. Metathorax rugose, short, with
two diverging keels. Wings subhyaline, the 2 subcostal nervures,
with the stigma, black. Coxe black at the base. Abdomen with a
grooved petiole, margined at the sides, the rest polished, shining,
the extremity punctured.

HABITAT.—Canada.

Unknown to me.

446 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.
Basalys brevicornis, sp. noy.

2. Length, 3"™. Black, polished; antennz and legs piceous; the
scape beneath, the pedicel and three basal joints of the funicle show-
ing more or less yellow; tegulw, anterior femora beneath, the slender
portion of all the tibiw and the tarsi, honey-yellow. Mesonotum with
two very short grooved lines posteriorly. Scutellum with two oblique
fover at base; while the metanotum 1s rugose with a distinct median
carina, Abdomen oblong-oval, highly polished, and at base overlapping
the short, thick, fluted petiole. Antenne very short, 13-jointed, sub-
filiform, extending scarcely to the tegule; the flagellar joints after the
first wider than long, the terminal joint oblong. Wings subhyaline, a
distinct costal cell, a basal cell, and rather large, triangular stigma, the
latter with a distinct backward directed vein.

HaAsirat.—Colorado.

Type in Coll, Ashmead.

Remarkable for the brevity and shape of the antenne.

Basalys californica, sp. nov.
(Pl. xvul, Fig. 7, #5; a, 9 antenna.)

?. Length, 1.6™™. Apterous; polished black, impunctured, sparsely
pubescent; funicle and legs, including cox, honey-yellow or reddish-
yellow; scape and club brown-black. Head globose, the frons slightly
impressed, abrupt. Antenne 13-jointed, terminating in an abrupt,
4-jointed club; funicle slender, filiform, the joints after the first monili-
form; club abruptly enlarged, the first joint rounded basally, the two
middle joints quadrate, the last, oblong. Thorax subovate, the collar

woolly at the sides, the mesonotum flat on disk, with indications of two
very short grooved lines posteriorly just in front of the scutellum, the
latter with a small fovea at base, the metanotum with a delicate median
carina. Abdomen oblong-oval, polished, the petiole about twice as
long as thick, striated.

HABITAT.—Santa Cruz Mountains, California.

Types in Coll. Ashmead.

Unfortunately, in making my drawings of this species and before I
had drawn up my description, I knocked off the head of the male with
my pocket lens; it fell to the floor and could not be found. It is now
in too poor a condition for description, but I hope it will be recognized
by the figure. ;

MYRMECOPRIA Ashm., gen. nov.
(Type M. mellea, Ashm. 9°.)

Head globose, without a frontal suleus; the occiput small, convex;
ocelli 3, small, close together in a triangle; eyes round, rather coarsely
facetted.

segs 4
'

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDE. 447

Antenne inserted on a frontal prominence; in ? 14-jointed, gradu.
ally incrassated, moniliform, with long, bristly hairs; the scape is long,
clavate, the first flagellar joint twice as lon g as the pedicel and one
third longer than the second, both narrowed toward base, the follow-
ing joints round-moniliform, gradually increasing in size,

Maxillary palpi very short.

Mandibles small, bifid.

Thorax ovoid, rounded before, the prothorax not at all visible from.
above, the sides bare, flat; mesonotum flat, smooth, without furrows;
scutellum subconvex, with a slight median ridge, separated from the
mesonotum by a transverse furrow all across the base; metathorax not
very short, sloping off posteriorly, the angles not at all prominent; a
carina originates just back of the scutellum, forks and extends obliquely
on each side to the base of the hind coxe.

Front wings very large and broad, with long pubescence; the submar-
ginal vein reaches the costa before one-third the length of the wing,
ending in a small triangular marginal vein; basal cells two, subequal.

Abdomen short, oval; the petiole scarcely longer than thick, sepa-
rated from the second abdominal segment by a strong constriction,
dilated beneath, and in structure very similar to the nodes in certain
ants.

Legs long, pilose, the femora clavate, the tibiz very long, subclavate,
the posterior tarsi thick, somewhat dilated, the basal joint twice as long
as the second, the three following joints subequal, the last longer than
the second, all very hairy.

By far the most remarkable Diapriid yet discovered, and exhibiting
a most remarkable resemblance to certain ants. In venation, the 14-
jointed clavate-moniliform antenne, and in its metathoracic and ab-
dominal characters, it is quite distinct from all other genera in the group,
and requires no special commeut at my hands, as it could not be con-
founded with any other genus.

Myrmecopria mellea Ashm.
(PIE xcvli iio. 85 2 )
Loxotropa mellea Ashm., Can. Ent., x1x, p. 196.

2. Length, 2.3". Honey-yellow, polished, sparsely pilose; eyes
and tip of abdomen brown. Antenne 14-jointed, reaching to the middle
of the abdomen; scape long, clavate, the length of the first three joints of
flagellum united; pedicel half the length of the first flagellar joint, the
joints beyond the second, moniliform, subpediceilate, gradually increas-
ing in size. Thorax flat above, without grooves, narrowed before; the
prothorax not visible from above; sides flat, but not impressed, bare.
Wings very large, broad, and hairy; the submarginal vein attains the
costa before one-third the length of the wing; marginal vein short, with

448 BULLETIN 45, UNITED STATES NATIONAL MUSEUM.

a blunt stump of a stigmal vein; beneath the marginal vein is a narrow,
dusky streak; veins yellow.

HAgBrrar.—Jacksonville, Fla.

Type in Coll. Ashmead.

The species was originally described in the genus Loxotropa, but the
characters are too entirely different from that genus to permit its re-
maining there.

The following species of Pantoclis, described by Abbé Provancher,
and overlooked by me, should have followed P. floridana on p. 372:

Pantoclis inermis Prov.

Aneurhynchus inermis Proy. Add. A la Faune., p. 179.
Pautoclis inermis Proy. Add., p. 405.

@. Long. 15 pce. Noir, poli brillant; les mandibles jaundtres. Antennes longues
jaune-bruniatre, le premier article le plus long, avec long poils peu denses, le 2° le
plus court, les autres allongés. Téte grosse en carré transversal, épaisse en arriére
des yeux, & face renflée en tubercule pour Vinsertion des antennes. Thorax poli,
brillant; I’6cusson soulevé mais inerme. Ailes hyalines iridescentes, frangées, &
stigmal, la radiale en forme de triangle allongé, ouverte en arriére, ni cubitales, ni
discoidales fermées. Pattes jaune-pdile avec les hanches noires, les cuisses renflées
en massue A Vextrémité. Abdomen en ovale, poli, brillant, & pédicule fort, poilu, du
tiers de sa longueur environ, le 2° segment fusiforme, noir, le reste d’un jaune plus
ou moirs noiratre. (Provancher.)

HABITAT.—Cap Rouge, Ottawa, Canada.
Type in Coll. Provancher.
Unknown to me.

|
|
|
|

.

— Te ee ee

A TABULAR VIEW OF THE BRED NORTH AMERICAN
PROCTOTRY PID A.

[Lhe hosts in these tables followed by a query (?) indicate that the records are of questionable aceu-
racy or that the host is doubtful. |

J. HyMENOPTERA,

Parasites. Hosts.
Cephalonomia eynipiphila Ashm......----- Cynipid gall, Holcaspis omnivora (?).
EUG OLEAN terrae eee Cynipid gall, Andricus foliatus (7).
hyalinipennis Ashm ........ Cynipid gall, Amphibolips cinerew (?).
Isobrachium mandibulare Ashi ...-.-.---- Nests of Camponotus pennsylvanicus.
montanum Ashm....--.--- - ..-Nests of Formica rufibarbis.
myrmecophilum Ashim.....--- Nests of Formica rufibarbis.
TitivenmbtrevAShM@--2s- <2 sess - Nests of Formica obscuripes.
Rolyonotusvemurce Ash = 22222222576. Se- 2 Euura s, nodus on willows (2).

Il. DiereRA.

Aphanogmus floridanus Ashmn. .......--..-Cecidomyia sp. feeding on Red-spider.
LLyocerus californicus Ashm.....---.-.-..-- Cecidomyia sp. in galls on Larrea mexi-
Cand,
GIG GUN ayy arps ats yaa eae Cecidomyia destructor Say.
Imostemmia;, Horn Ashe = 222222522. 555- Cecidomyiid gall in blossoms of Vernonia
noveboracensis,
Cat OENTC a eAIs hie ee Cecidomyiid gall on Telypodium integri-
folium.
Amiblyaspis minutus Ashim 2.--..--.--.=2-- Cecidomyia sp. in Squash.
Isorhombus arizonensis Ashm ......------- Cecidomyiid gallon an unknown plant
in Arizona.
Polyinecus lupinicola Ashm ...--...-..-.-- Cecidomyiid gall on Lupinus athorea,
COLMUCOLARAS bere Cecidomyiid gall on Cornus paniculata.
Synopeas antennariw Ashm.......-.-.------ Cecidomyia antennarie Whilr.
Anopediasvenrorm Hitch =s52- 225-245-6554 Diplosis tritici on wheat.
inchacis TubicolaAshinl (222 222-22 see Cecidomyiid stem-gall on Blackberry;
ditto on Vernonia noveboracensis.
ahywaster Mernickiiack=c = ess c0 5 Cecidomyia destructor Say.
Cayce ASIN see ease sans =a Cecidomyiid gall on Hickory.
Polygnotus alnicola Ashm_...--.2.--=....- Cecidomyiid gall from flower bud of alder.
MintcolapeAsl nae ae eee Cecidomyia pini-inopis O. 8S. on Pinus inops,
UOT GI Sy Mg ses see ese ere Cecidomyiid gall on Atriplex canescens.
huachuacw Ashm......2...2.2. Cecidomyiid pod-like gall on an un-

known plant in Arizona; Cecidomyiid
stem-gall on sunflower, and a Cecido-
myiid gall on sensitive plant.

diplosvdissAshm ss. 2.5 2e cee sce Diplosis sp. on pine.
actinomeridis Ashm .....-.---- Cecidomyiid gall on lelinomeris sp.
californieus Ashm ............,Cecidomyiid gall on Baccharis pililaris,

21899—No, 45——29 449

450 BULLETIN 45,

Il.
Parasites.

Polyenotus astericola Ashm .--..-..-..-.---
asvnaptae Ashm
hiemalis Forbes

baccharicola Ashim

Platygaster aphides Ashm
Eritrissomerus cecidomyie Ashm

Polygnotus striaticeps Ashm

salicicola Ashm

proximus Ashm
eurotize Ashm
solidaginis Ashm
viticola Ashm
evnipicola Ashi

coloradensis Ashi

utahensis Ashm

rabi Ashm

vernoni:e Ashm

tumidus Ashm

Rropidoprianconicas! apie ees eee
DRA VANS Gees Dis ee ee eee ae ree

Phienopria hematobire Ashm
Diapria agromyze Fitch

UNITED STATES NATIONAL

MUSEUM.

DirprERA—Continued.

Hosts.

Cecidomyiid gall on aster.
Cecidomyiid gall Asynapta sp.
Cecidomyia destructor Say, on wheat.
Cecidomylid gall

on Baecharis halimi-
JSolia.

Aphis sp. on Chenopodium album (72).

-Cecidomyiid gall on Hickory.
Cecidomyiid gall on Begeloria ov Arteni-

sia sp.

Cecidomyiid gall on midrib of leaves of

“Willow.
Cecidomyia andnassw Riley
Cecidomyiid gall on Lurotia canata.

Cecidomyiid gall on Solidago,
Cecidomyiid gall on Grape and Artemisia.
Cecidomyiid in Cynipid gall Newroterus

batatus.
Cecidomyiid gall on Sage bush.
Cecidomyiid gall on Artemisia tridentata,
Cecidomyia farinosa on Blackberry.

Trypeta gall on Vernonia noveboracensis.

Cecidomyia symmetrica O. 8. on Oak,
Pristalis tenax.

Dipterous puparia found in the ground,
Hematobia serrata.

Agromyza americana Say,

I1L.—LEpipoprEeRa.

Perisemus prolongatus Proy
Goniozus Hubbardii How

foveolatus Ashm
Lygocerus 6-dentatus Ashin
VTelenomus ichthyure Ashi
graptie How

cellaris Say

Sonoplieeles “Ashimy aoe ere as toetetoto

spilosomatis Ashin
SUZ UU GULL We aan ere
helhouidiseAshmeessseeereessee
lavernze Ashm
Rileyi How
clisiocampie Riley

bifidus Riley
K

vossy piicola Ashm

oebelei Ashm

ceometrec Ashimi years see

Galiformicus AghIne 2 oe soe see
sphingis Ashm .......-~

Cranmbus caliginosellus,

Platynota rostrana and

Platwceticus gloverii.

Geometrid larva on wheat stubble.
Tineid larva in dry fungus.
Sarrothripa rawayana (?).

Kees Ichthyura inclusa.

Eggs Grapta interrogationis.

Eges Grapta progne.

Eges Vanessa antiopa.

Eges Chrysophanes hypophlwas,

Kges Pamphila cernes.

Eges Gnophela hopferi.

Eggs Spilosoma virginica,

Eges -lreama densa.

Eges Heliothis armigera.

Eges Laverna luciferella.

Eges Apatura elyton.

Eges Clisiocampa americana.

esas Hyphantria textor.

Eges unknown, Lepidopteron on Solidago,
ont of a Lepidopteron on cotton,

Dees unknown,Geometrid on wild cherry,
Eges Orgyia sp.

Eggs Sphine carolina,

MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID.A. 451

IV. COLEOPTERA.

Parasites. Hosts.

Apenesia coronata, Ashm .--.-....-:....-.-. Catogenus rufus under bark of Cercis.

Cephalonomia hyalinipennis Ashm .....-..Hypothenemus eruditus in tig twigs.

Anoxas Chittendenii Ashm -.-....--....--- From Cis fusipes living in fungus.

Ateleopterus tarsalis Ashi... -- Sessa Sait Silvanus surinamensis in raisins and in
stored grain.

Lzelius trogodermatis Ashm ....-.--..----- Larva of Trogederma tarsale.

Proctotrypes obsoletus: Say ---.-:..-.--..-- Stelidota strigosa.

Macroteleia floridana Ashm ....--.-...--.- From stems of timothy infested with
Languria (2)

Prosacantha caroborum Riley -.---.--.-.----- Eggs of Chlanius impunctifrons.

CeraphronysalicicolaAshim--o.-4-5--22-2--- Bred from old willow wood which was

partially covered with fungus and in-
fested with Coleopterous larvee (7).

TOSI @INAKCIIS TRON TAS NSN ee epeseaeosees se From acorns infested with Balaninus
nasicus (?).

V. ORTHOPTERA

Gacus:cocamthimswleyt=-o2ss.cnc-lee cess ses Eggs (canthus niveus aud 2. latipennis.
iBanycounsiecanthin Rileyeess:-.s- + 222-5. Eggs Heanthus niveus.
SCOMOLOVIVOLAMLLLG ys nets ee te eee Eggs Dissosteira carolina.

ZAlOptemiebulll Gye S5o52\- sella = = ar Eggs Caloptenus atlantis.

leur oem ibulle vier cts. se eee a= a= Eges Caloptenus sp.
Macroteleia floridana Ashm ......-.-------- Kees Orchelimum glaberrimum.

VI. HEMIPTERA,

abeo byphlocy bee Ashml: 225 .-6-s-52-= 2-- - Typhlocyba sp. on Celtis and Elm,
ycocentsmicenr Lowes ses. 222 - eee - =e Siphonophora avene.
HlonidlannseAs hin. 52-2 =e rir Lachnus australis.
Aphanogmus floridanus Ashm .....-.--.---- From twigs containing eges of Cicada
septendecim (?).
Phanurus ovivorus Ashm-..---.--.-.------- Heteropterous eggs.
ihelenomusipodisAshm) 2-225 22222222 -2 5. Eggs Podisus modestus.
Pb bardai As hime eer ese ee a Eggs of a Reduviid.
PELSUMMTS SAS hier ses eee ae eee Eges of an unknown Hemipteron,
PintssolGiis pod: tsieAs beens 2 yas eee eee Sees Podisus spinosis,
CMISCIIAH IAS Soone asa se eeee ges Luschistus servis.
brochymenw, Ashm) "222225222 =: Eges Brochynena arborea.
nine USO a = Bee Eges Murgantia histrionica.
Hadronotus floridanus Ashm.....--...---- Kegs Metapodius femoratus,
leptoconisas How sess ese a= =- Eggs Zelus bilobus.
RUG OATS WM esac ase iat es Eges Largus suceinctus.
TW COSUS MMO wea see ee ae Kees Luthoctha galeator.
SUMASde VA SDM tess pate crore ee or Eges Anasa tristis.
Amitus aleurodimis Hald:..-2. -2------ 2.--2 [leurodes aceris and of. cor

VII. NEUROPTERA.
Telenomus chrysop:e Ashm =..--2 /2.------- Eges Chrysopa sp.

VIIT. ARACHNIDA.

INGOLOTUES | S UiGLQUSMELOMW poe =n es eee tees Saitis pules.
Lees Phydippus morsitans.
PMMERtOMA ONG see a= eee) tges of an unknown spider,
AcoluseAtbriskl el AShMY 22. o0 = 224-2 26o)45-)- Eggs of an unknown spider,

[Peony ae PLC AMUS ELON es oe oo) oa velslsieis © coi - Eggs of an Epeirid,.

.
J
,
$
‘
"

77 Sass Pt ee GB,
7 Ne

~~ a.

LITERATURE AND ABBREVIATIONS.

A.

Ann. Soc. Ent. Fr.—Annales de la Société Entomologique de France, Paris, 1832 et
seqq.

Ann. and Mag.—-The Annals and Magazine of Natural History, London, 1841 et seqq.

Ann. Mus. Nat. Hist.—Annales du Muséum d’Histoire Naturelle, 20 vols., Paris,
1802-13.

Ashm., Bull. No. 1, Coi. Biol. Ass:\—Ashmead (W.H.). Bulletin No. Lof the Colorado
siological Association. Washington, D. C., 1890.

Ashm., Bull. No, 14, U. 8S. Dept. Agric.—Bulletin No. 14, U.S. Department of Agri-
culture, Division of Entomology. Washington, D. C., Government Print-
ing Office, 1887.

Ashm., Fla. Agric., 1v.—Florida Agriculturist, Vol. tv, 1881, De Land, Fla.

Ayers (H.).—Memoirs of the Boston Society of Natural History, vol. 11, 1884, No. 8,
Boston, Mass.

Balf., Comp. Embry.—Balfour (E. M.). Comparative Embryology. London, 1880.

Berl. ent. Zeit.—Berliner entomologische Zeitschrift, Berlin, 1857 et seq¢q.

Boh.—Boheman (C. H.). See Serials.

Bouché, Naturg.—Bouché (P. F.). Naturgeschichte der Insecten, besonders in Hin-
sicht ihrer ersten Zustiinde als Larven and Puppen. Berlin, 1834.

Bost. Journ. N. H.—Boston Journal of Natural History, vol. 1 [1836] et seqq.

Brullé, Hym.—Brullé (A.). Histoire Naturelle des Insectes, par M. le Comte Amédée
Lepelletier de Saint-Fargeau. Hyménopteres, par M. Aug. Brullé. 4 vols.
Paris, 1837-46.

Cr

Can. Ent.—Canadian Entomologist, 24 vols., London, Ontario, Canada.

Cameron.—Cameron (P.).

Cress., Syn. Hym.—Cresson (E.T.). Synopsis of the Families and Genera of the
Hymenoptera of America, North of Mexico, together with a catalogue of
the described species, and bibliography. American Entomological Society,
Philadelphia, 1887.

Comp.-rend.—Comptes-rendus de Académie des sciences & l'Institut de France,
Paris, 1835 et seqq.

Curt., Brit. Ent.—Curtis (J.). British Entomology, 16 vols., London, 1823-’40.

Curt., Farm Ins.—Farm Insects; being the Natural History and Economy of the In-
sects injurious to the Field Crops of Great Britain and Ireland. London,
1860.

Curt., McIntosh, Book of the Gard.—Entoinologieal articles in MeTntosl’s Book of

the Garden. 2 vols. Kdinbureh and London, 1853-755.
453

454 LITERATURE AND ABBREVIATIONS.
DD.

Dalm., An. Ent.—Dalmnan (J.W.). Analecta Entomologica, Stockholm, 1825,
KE.

Ent. Amer.—Entomologica Americana. A Monthly Journal of Entomology. Edited
by John B. Smith. 5 vols., 1885 ef segg. Published by Brooklyn Entomo-

logical Society.

Ent. News.—Entomological News, ete. Edited by Henry Skinner, Md. Philadel-
phia, Vol. 1, 1890 et seq¢q.

Ent. Mo. Mag.—The Entomologists’ Monthly Magazine, London, 1864 ef seqq.

Ene. Brit.—Eneyelopedia Britannica. Ed, vin. Vol. 1x. Article Entomology.
Edinburgh, 1855.

Ene. Méth.—Encyclopédie Méthodique. 10 vols. Paris, 1789-1825.

Ent. Mag.—The Entomological Magazine. 5 vols. London, 1833—38.

Entom.—Newman’s Entomologist, London, 1840-42 and 1864, et seq.

KE

Fab.,Ent. Sys.—Fabricius (J.C.). Entomologica Systematica. 4 vols. Copenhagen,
1792~"91. Supplement, 1798.

Fab., Piez.—Fabricius (J.C.). Systema Piezatorum. Brunswick, 1804.

Fab., Sys. Ent.—Fabricius (J.C.). Systema Entomologica. Flensburg and Leipzig,

-—~

1775.

lorst., Beitr. —Foérster (A.). Beitriige zur Monographie der Pteromalinen. Aix-la-
Chapelle, 1841.

Forst., Hym. Stud.—Forster (A.). Hymenopterologische Studien. Heft mu, Chal-
cidize und Proctotrupii. Aix-la-Chapelle, 1856.

First., Kl]. Monog.—Kleine Monographie, 1878.

G.

Ganin, Ueber d. Embry.—Ganin (M.). Ueber die Embryonalhiille der hymenopt.
und lepidopt. Embryonen. St. Petersburg, 1869.

Gard. Chron.—Gardeners’ Chronicle, London, 1841 et seqq.

Geer, Mém.—Geer (C. de). Mémoires pour servir a Histoire des Insectes. 7 vols.
Stockholm, 1752-78.

Germ., Pn. Ins. Eur.—Germar (E.F.). Fauna Insectorum Europe. Heft 1 and 1,
by A. Ahrens. Continued by E.F.Germar, 24 pts. Halle, 1812-48,

H.

Jerichte iiber d. Mittheilungen vy. Freunden d. Naturwissensch.,

Haid., Berichte.
herausgegeben vy. W. Haidenger. 7 vols. Vienna, 1847-51.

Hal., Hym. Brit.—Haliday (A. H.). Hymenoptera Britannica, Oxyura. Faseien-
Ius 1. London, 1839. See Seriais.

How., Scud. But.—Howard (L.O.) in Scudder’s Buttertlies of the Eastern United
States and Canada. Cambridge, Mass., 1889.

Hub., Ins. Aff. Orange. —Hubbard (H.G.). Insects Affecting the Orange. Report on
the insects affecting the culture of the orange and other plants of the Citrus
fumily, with practical suggestions for their control or extermination, made
under direction of the Entomologist. Washington, D. C., Government
Printing Office, 1885.

Is

Ins. Life.—Insect Life, ete. Edited by C. V. Riley and L. O. Howard. Vol. 1, 1888
et seqg. Washington, 1D. C., Government Printing Office.

?
ma
x
4

Rani

LITERATURE AND ABBREVIATIONS. AD5

Je

Jour. Acad. Nat. Sci. Phil.—Journal of the Academy of Natural Seiences of Phila-
delphia, Vol. 1. [1817] et seqq.

Jurine, Hym.—Jurine (L.). Nouvelle Méthode de classer les Hymeénopteres et les
Dipteres. Geneva and Paris, 1807.

K.
Kirch., Cat. Hym,. Eup.—Kirehner (l.). Catalogus ITymenopterorum Europe, 186
L.

Lam. Syst.—Monet de Lamarck (J. B. P. A. de). Systeme des animaux sans verte-
bres. Paris, 1801.

Latr., Cuv. Ree. An.—Latreille (P. A.). Articles in Cuvier’s Regne Animal. Ed. 1.
3 vols. Paris; 1817.

Latr., Gen. Crust. et Ins.—Latreille (P. A.). Genera Crustaceorum et Insectorum
secundum ordinem naturalem in familias disposita. 4 vols. Paris and
Strasburg, 1806-9.

Latr., Nat. Hist.—Latreille(P. A.). Histoire Naturelle générale et particuliere des
Crustacés et des Insectes. 14 vols. Paris, 1802-75. :

Latr., Préc.—Latreille (P. A.). Précis des Caractéres @énériques des Insectes.
Brive, 1796.

Linn. Ent.—Linniwa Entomologica. 16 vols. Berlin and Leipsic, 1846—66.

Linn., fn. Suec.—Linné (C. von). Fauna Suecica. Ed. 1. Stockholm, 1761.

Linn., Sys. Nat.—Linné (C. von). Systema Nature. Ed.xir. Stoekholn, 1766-’68.

Loud. Mag.—Loudon’s Magazine of Natural History. 9 vols. London, 1829~36.

M.

Marsh.—Marshall (T. A.). In serials.

Marsh., Cat. Brit. Oxy.—Marshall (T. A.). A Catalogue of the British Hymenop-
tera Oxyura. London, 1873.

Mém. Acad. St.-Pétersbourg.—Méimoires de Académie de St.-Pétersbourg, 1869-70.

Mem. Acead, Tor.—Memorie della Reale Accademia delle Scienze di Torino, serie
seconda, Tom, XIII, 1853.

Mem. Soe. Manch.—Memoirs and Proceedings of the Manchester Literary and
Philosophical Society, 4th series.

“Mik.—Mik (J.). In serials.

Moes., Magyar Fn.—Moesary (A.). Magyar Fauna masnejii darasai (Heterogynidie
Faune Hungarice). Term. Kézlem, Xvi, pp. 1-93, pls. 11.

Miill., Pn. Fridr.—Miiller (O. F.). Fauna Insectormm Fridrichsdalina. Copenha-
gen and Leipsic, 1764.

Miill., Naturs. Linn.—Miiller. (P.L.8.). Vollstiindiges Natursystem des C. v. Linné,
mit einer Erkliirmng. 6 vols. and supplement. Nuremberg, 1773—76.

5 N..

Nat. His. Rev.—The Natural History Review; a quarterly journal of science, con-
ducted by Haliday and others. 5 vols. Dublin, 185458.

Nees, Monog.—Nees von Esenbeck (C.G.). Hymenopterorum Ichneumonibus af-
finium Monographiw, Genera Enuropwa et Species illustrantes. 2 vols.
Stuttgardt and Tiibingen, 1834.

Nouv. Dict.—Nonveau Dictionnaire d'Histoire Naturelle. 86 vols. Paris, 1816.

Oe

Ofyv.—Otversigt af Kongliga Svenska Vetenskaps-Akademiens Férhandlingar,
Stockholm, 1845 ef seqy.

456 LITERATURE AND ABBREVIATIONS.
1p

Pack., Guide.—Packard (A. S8.), Guide to Study of Insects, and a treatise on those
injurious and beneficial to crops, for the use of colleges, farm-schools, and
agriculturalists, by A. 8S. Packard, jr., M.D. Seventh edition. New York,
1880.

Panz., Pn. Germ.—Panzer (G. W. F.). Faun Insectorum Germanic initia. 109
pls. Nuremberg, 1792-1810.

Panz., Krit. Revis.—Panzer (G. W. I'.). Kritische Revision der Insecktenfamune
Deutschlands, nach dem System bearbeitet. 2 vols. Nuremberg, 1805-06,

Perris, Ann. Soc. Linn.—Perris (ed.). Annales de Ja Société Linn. Lyon, série 2,
Tom. Iv.

Phil. Mag.—The London and Edinburgh Philosophical Magazine and Journal of
Science. 16 vols. London, 1832-40.

Proc. Ent. Soe. Lond.—Proceedings of the Entomological Society of London, 1834
et seqq.

Proc. Ent. Soc. Wash.—Proceedings of the Entomological Society of Washington,
vol. Let seqq.

Proc. U. S. N. Mus.—Proceedings U. 8. National Musewm, Vol. vit.

Proy., Faun., Hym.—Provancher (Abbé Léon). Petite Faune Entomologique du
Canada, ete. Vol. u. Hyménopteres. Quebec, 1883.

Proy., Add. Faun. Hym.—Additions et corrections au volume 11 de la Faune Ento-
mologique du Canada traitant des Hyménopteéres. Quebec, 1889.

Re

Ratz., Ichn. d. Forst.—Ratzebure (J.T. C.). Die I¢chneumonen der Forstinsecten in
forstlicher und entomologischer Beziehung. 38 vols. Berlin, 1844-52.

S.

Say, Lee. Ed.—Say (T.). Complete Writings of Thomas Say on the Entomology of
North America, Edited by John L. Leconte, M.D. 2vols. New York, 1859.

Schiiff., Forts. Germ.—Herrich-Schiiffer (G. A. W.). Fortsetzung yon Panzer,
Faunce Insectorum Germanic initia. Ratisbon, 1829-44.

Seudd., But.—Seudder (Saml.). Butterflies of the Eastern United States and
Canada. Cambridge, Mass., 1889.

Spin., Ins. Lig.—Spinola (Marquis M.). Inseetorum Ligurize species noyie aut
rariores. 2 vols. Genoa, 1806-8.

Stefano, Nat. Sic.—Stefano. I] Naturalista Siciliano: Giornale delle Seienze Natu-
rali, Ragusa, Palermo,

Step., Ill. Brit. Ent.—Stephens (J. F.). Illustrations of British Entomology. 11
vols. London, 1828-46.

Stett. Zeit.—Stettiner entomologische Zeitung, Stettin, 1840 et seqq.

St.-Farg.—st.-Fargeau (A. L. M. Le Peletier, Comte de). See serials.

Sy. Ak. Handl.—Kongliga Svenska Vetenskaps-Akademiens Handlingar, Stockholm,
1780 et seqq. :

a

Tasch., Naturg. wirb. Thiere.—Taschenberg (E.L.). Naturgeschichte der in Deutsch-
land, Preussen und Posen den Culturpflanzen schiidlichen wirbellosen Thiere,
Leipsic, 1869.

Trans. Ent. Soe. Lond.—The Transactions of the Entemologieal Society of London,
1834 elf seq.

Trans. Linn. Soe.—The Transactions of the Linnwan Society of London, 1791 et seqq.

Turt., Sys. Nat.—Turton (W.). A General System of Nature; translated from Gmelin,
Fabricius, ete., Animal Kingdom, vols. 1 and di. London, 1806

LITERATURE AND ABBREVIATIONS. ADT
‘

Verh. Pr. Rheinl.—Verhandlungen des naturhistorischen Vereins der preussischen
Rheinlande und Westphalens, Bonn, 1844 et seqq.
Vill., Linn. Ent.—Villers (C. J. de). Caroli Linnei Entomologia. Leyden, 1789.

W.

Walcek., Fn. Paris.—Walckenaér (Baron C. A. de). Faune Parisienne. Histoire
Abrégée des Insectes des Environs de Paris. 2 vols. Paris, 1802.

Web. und Mohr, Beitr.—Archiy fiir die systematische Naturgeschichte. Edited by F.
Weber and W. H. Mohr. Leipsic, 1804. Continued under the title: Beitrige
zur Naturkunde, etc. 2 vols. Kiel, 1805 and 1810.

Westw., Intr.—Westwood (J.O.). An Introduction to the Modern Classification of
Insects. 2 vols. London, 1839-'40.

Westw., Thes. Ent. Ox.—Thesaurus Entoniologicus Oxoniensis, ete. Oxford, 1874.

Wien. Ent. Zeit.—Wiener entomologische Zeitung.

ZL.

Zett., Ins. Lap.—Zetterstedt (J. W.). Insecta Lapponica descripta. Leipzig, 1840.

Zeits. ft. wiss. Zool.—Zeitschrift fiir wissenschaftliche Zoologic, Leipzig, Bd. x1x,
1869.

Zobl.—The Zodlogist, Loudon, 1848 et seqy.

o

Pe ee

a, ee ee

_ ci 2

aw.

ne

OVePLANA TION ‘TO: PLATES,
PATI ale

Fic. 1. Lpyris grandis.—H, Head: v, vertex; 0, ocelli; oc, occiput; g, gena, or cheek;
J, face; e,eye; cl, clypeus; a, antenna; sec,scape; p, pedicel; jl, flagellum;
mrp, Maxillary palpi; lbp, labial palpi; m, mandibles. T, Thorax: pt, pro-
thorax; ¢, collar; px, pronotum; p, propleuron; pstm, prosternum; sp,
spiracles; ms, mesoscutum; pf, parapsidal furrows; p, parapsides, or seap-
ule; s, mesosentellum or seutellum; ar, axilla; mps, mesopostscutellum ;
ty, tegula, or wing scale; mp, mesopleuron; mst, mesosternum ; ep, epi-
sternum; mit, metathorax; mn, metanotum; sp, spiracles; smtp, metaplen-
ron; ihn, insertion of hind wings. A, Abdomen: 1 2.3, 4, 5, 6, 7, and 8, dorsal
segments or tergites, number 1 usually designated as the petiole; 2,5, 4,5,
and 6 urites, or ventral segments; tor sh, sheaths conjoined, forming a tube
for the terebra (tba), or ovipositor proper; spe, spicules ex, ex, cr, COX ;
tr, tr, tr, trochanters (1-jointed); fr, fr, fr, femora; ta, ta, ta, tibiie; ths,
tibial spur, the middle and posterior tibice being 2-spurred; ts, tarsi; cl.
claws; pr, pulvillus.

2. Mavilla: mr, mixilla; s, stipes; ec, cardo; pfr, palpiter; mep, maxillary
palpi; ga, galea; la, lacinia.

3. Labium: plg, palpiger; lp, labial palpi.

4. Front wing of Pristocera atra Klug.—C, costal neryure; sc, subcostal or sub-
marginal nervure; m, median nervure; sm, submedian or anal nervure ;
sé, Stigma, or marginal nervure stigmated; r, radius, or radial nervure;
ebt, cubital nervure; sd, subdiscoidal nervure; /, basal nervure; tn,
transverse median neryure; d, first recurrent nervure; s7, second recur-
rent nervure; ftc, first transverse cubital nervure; sle, second transverse
cubital nervure. Cells: 1, costal; 2, first basal; 3, second basal; 4, anal;

, marginal or radial; 6, first discoidal; 7, second discoidal; &, third dis-

coidal; 9, first submarginal; 10, second submarginal; 11, third submar-

D

ginal; 12, first apieal; 18, second apical.

5. Hind wing of Belyta: se, costal and subcostal united at base; m, median
neryure; sf, stigma with hooks; d, basal nervure; cbt, cubital. Cells: 1,
costal cell (open); 2, basal; 3, anal.

6. Ovipositor of Proctotrypes caudatus Say: shsx, sheaths conjoined, very long
and curved at tip; tha, terebra, or ovipositor proper; bp, basal plites; spe,
spicule ; spl, basal lobes of spieule.

7. Ovipositor of Epyris grandis (external view): shs, sheaths; tha, terebra, or
ovipositor proper, with the two spicule (spe).

8. The same (internal view): shs, sheaths or tube; tha, ovipositor proper; spe,
spicule, base and apex; bp, basal plates.

9. Cross section of same: A, a section from near the base; B, from near the tip

10. Male genitalia of Epyris carbonarius: A, viewed from above; p, penal
sheath, strongly exserted; 0, orifice of penis; us, upper sheath or plate ;
ls, lower sheath. B, viewed from beneath: ws, upper sheath; Us, lower
sheath; p, penis; pe, penal claspers; b/, swollen basal lobes or plates, to

; which the sheaths are attached.

459

A60

FIG.

Fia.

Fic.

Via.

FIG.

FIG.

1S

13.

—_

Or m © bo
Pn eS

“I

e

Cr wWwhM uy

=
oe

=I

ue

wht

Cc

~

2. Male genitalia of Scleroderma cylindricus Westw. (after Westwood): us, upper

. Pristocera atra Klug 2.

. Ateleopterus virginiensis Ashm. 2.

. Front wing of Lupsenella agilis Westw. 3.

. Anorus Chittendenti Ashm. 2.
. Perisemus floridanus Ash. Q.

. Ampulicomorpha confusa Ashi. g .
. Embolemus Ruddii Westw. 2.
. Dryinus americanus Asin. Q.

5. Labeo typhlocyba Ashm. 2.
. Bocchus flavicollis Ashin. 9
. Phorbas laticeps Ashm. 2.

. Chelogynus canadensis Ashim. >.
. Anteon politus Ashm,. °.
. Aphelopus melalencus Dalm. 2.

EXPLANATION TO PLATES.

Male genitalia of Proctotrypes caudatus (side view, with right ventral spine e-
moved): vs, left ventral spine, or outer sheath; ws, upper sheath; Js, lower
sheath,

sheaths; Us, lower sheaths.
Ovipositor of Scleroderma ephippium (after Westwood): dd, spicule; b, re-
curved bases of spicule; #7, muscular angulated lobe or catch; ee, mem-
branous plates. |

PEATE UT:

Pristocera atra Klug °.

TIsobrachium myrmecophilum Ashm. 9 .
Tsobrachium myrmecophilum Ash. 9.
Scleroderma sp. 3.

Scleroderma macrogaster Ashm. °.
Dissomphalus xanthopus Ashu. g.
Dissomphalus canthopus Ashm. @.

PLATE III.

Ateleopterus virginiensis Ashin. 2.
Apenesia coronata Ashm. 2.
Apenesia amazonica Westw. 2.
Cephalonomia hyalinipennis Ashm. 2.
Cephalonomia gallicola Ashm. 9.
Lelius nigrispilosus Ashm, 9°.
Bethylus pedatus Say ?.

PLATE IY.

Front wing of Sierola (2) ambiqgua Ashu. 2
Calyoza staphylinoides Westw. 2.

Epiris columbianus Ashm. 2¢.

Mesitius vancouverensis Ashin. 9.

Goniozus platynota Ashm. 2.

RAE Ve
Gonatopus flavifrons Ashm. @.
PLATE VI.

Habropelte armatus Say 23 @, lead of °.

ape

mo

aks

Bees eens

~

J
a
ea
s

.

; Fic.

FIG.

Fig.

TG:

Fia.

—

ho

OID oe

oS

So Oo ee Wh Ee
Of adh tats .

-~]

TY Se WW He

CO

“1 oS

Secs

1.

9)

3 '

EXPLANATION TO PLATES. 461

Trichosteresis floridanus Asim. 2.
Eumegaspilus erythrothorax Ashm, 93 a, head of 2.

. Megaspilus striatipes Ashin. 2 3 a, head of MM. ecalifornicus g.

Lygocerus G-dentatus Ashm. 3a, head of 9°.
Atritomus americanus Ashm. 2.
Lagynodes minutus Ashm. 23 a, head of ¢@.

RGA) Valle

Aphanogmus varipes Ashm. 9 ; a, head of A. niger Ashm. 2.
Ceraphron punctatus Ashm. 23; a, head of 2.
Neoceraphron macroneurus Ashm. g 3 a, head of 9.

Trimorus americanus Ashm. ¢

Phanurus floridanus Ashm. ?.

Trissolcus brochymenw Ashin. 9°.

Telenomus sphingis Ashm. 935.4, ¢ antenna.

Dissoleus nigricornis Ashm. 2.

Aradophaqus fasciatus Ashi. ©.

PLATE VIII.

Pentacantha canadensis Ashlin. 2 3 4, abdomen, viewed from the side.
Trissacantha americana Ash. &.

Nenomerus ergenna Walk. ¢.

Prosacantha caraborum Riley 9; a, ¢ antenna.

Teleas pallidipes Ashin. 3 a, ¢ antenna of 7. coxalis Ashm.
Hoplogryon longipennis Aslan. 93 a, Zantenna of H. solitarius Ashm.
Gryon borealis Ashm. °.

Ceratobeus cornutus Ashm, 9°.

Beus americanus How.; a, 23 b, winged 2.

Era Ne

Caloteleia Heidemanni Ashi. Q3 a, ¢ antenna.

Baryconus ecanthi Riley 2.

Chromoteleia semicyanea Ashi. 9 ; a, g antenna.

Opisthacantha mellipes Ashi. 2 3 «, side view of body; b, ¢ antenna.
Beoneura bicolor Ashm. 9.

Macroteleia floridana Ashin. 93 a, ¢ antenna of MW. macrogaster Ashin.
Calliscelio laticinetus Ashi. 93 a, ¢ antenna.

Lapitha spinosa Ashm. ¢@.

PAP AGI OMONG:

Hoploteleia foridana Ashm. ¢.

Anteris nigriceps Ashin. 93 a, ¢ antenna.

Cremastobaus bicolor Ashm. 93; a, ¢ antenna.

Hadronotus insularis Ashi. 9; a, ¢ antenna.

Idris wnea Ashm. 9°.

Acanthoscelio americanus Ashin. 2.

Sparasion pilosum Ashin. 2.

Sceliomorpha longicornis Ashin. 2.

Scelio hyalinipennis Ashm. 9; a, ¢ antenna; v, wing of S. fuscipennis Ashi.

[PNT EE

Iphetrachelus americanus Ash. 2.
Allotropa americana Ashlin. 93 a, 2 antenne
Metaclisis belonocneme Ashm, 9,

AG? EXPLANATION TO PLATES.

Fic. 4. Monoerita carinata Ashm. 23 a, ¢ antenna,
5. Tsostasius musculus Ashm. 9°.

6. Inostemma Cressoni Ashm. 9°.

7. Acerota carya Ashm. g 3 4, Q antenna.

8. Piestopleura catillus Walk. 9°.

9, Nestonotus andriciphilus Ash. Q.

10. Amblyaspis longipes Ashin. fg 3 a, 9 antenna.

Prank Stl:

Fic. 1. Leptacis rugiceps Ashi. 2; a, ¢ antenna.
2, Isorhombus hyalinipennis Ashm. g ; a, 2 antenna,
3. Polymecus pallipes Ashm. 2; a, ¢ antenna.
4, Sactogaster Howardii Ashn. 9 ; a, f antenna of 8. anomaliventris Ashm.
5. Synopeas rufipes Ashm. 9 3 a, ¢ antenna,
6. Colopelta mirabilis Ashm. @.
7. Anopedias error Fitch 2 3; a, g antenna.
&. Amitus aleurodinis Hald. 23 a, ¢ antenna.
9. Trichacis rufipes Ashm. 9 ; a, ¢ antenna.
10. Hypocampsis pluto Ashi. ©. a“

IPGAUH ew Ue

Fic. 1. Lritrissomerus cecidomyiaw Ashm. 9; a, ¢ antenna.
2. Polygnotus baccharicola Ashm. 2; a, ¢ antenna,
3. Platygaster floridensis Ashm. 2; a, g antenna.
4. Isocybus pallipes Say 2; a, g antenna.
5. Helorus paradoxrus Prov. ©
6. Disogmus areolator Hal. 2.
7. Proctotrypes caudatus Say 9; a4, Q abdomen, viewed from the side; 6, ¢
abdomen; c, ¢ antenna,
8. Codrus apterognus Hal. ©.

IPA) Solve

Fic. 1. Leptorhaptus conicus Ashmn. 93 a, f abdomen; b, ¢ antenna
2. Miota glabra Ashm. @.

3. Acropiesta flavicauda Ashm, @.

4, Belyta frontalis Ashm. 2.

5. Oxylabis spinosus Prov. 9.

6. Cinelus mellipes Say 9°.

7. Nenotoma mandibularis Ashin. 2.

PT AUK eNavee

Fic. 1. Zelotypa longicornis Ashm. ¢.
2. Pantoclis analis Ashm. 2; a, ¢ antenna of P. californica Ashin.
3. Zygota americana Ash, ¢ 3 a, front tibia.
4. Aelista rufopetiolata Ashm. 9°.
5. Psilomma columbianwn Ashin. 9 3 a, antenna,
6. Ismarus rugulosus Porst. 2: Q antenna.
7. Acolus Zabriskiei Ashm. 2.

ey

Anectata hirtifrons Ashm. °.
REAM ONoV ls

Fic. 1. Pantolyta brunnea Ashi. 9.
2. Polypeza Pergandci Ashm. @ ,
Theron pallipes Ashm, ° ,

eS

HIG:

FIG.

BIG.

io

Pi)

“1

loo
. .

oo Ww

St ie

EXPLANATION TO PLATES. 463

Hemilexis subemarginatus Ashin. 9 3 a, ¢ antenna,

Paramesius pallidipes Ashm. ° .

Cacus ecanthi Riley °.

Spilomicrus armatus Ashi. 2; a, g antenna of 8. flavicornis.
Hemilexodes floridana Ashm. 2 ; a, ¢ antenna of another species.

Prawn XVI:

Glyptonota nigriclavata Ashm. @ .

Tropidopsis clavatus Ashm. 2 3 a, ¢ antenna.

Tdiotypa pallida Ashm. 2 ; a, g antenna.

Aneurhynchus floridanus Ashm.; a, ¢ antenna,

Labolips innupta Hal. @ .

Galesus 6-punctatus Ashm. 2 ; a, ¢ amtenna.

Platymischus dilatatus Westw. @.

Loxotropa ruficornis Ash. 9 ; a, head andantennw of ¢.

PLATE XVIII.

Tropidopria conica Latr. 2.

Diapria californica Ashin. 2 3 4, g antenna.
Ceratopria infuscatipes Ashm. °.

Trichopria rufipes Ashm. 2 3 a, g antenna.
Phenopria virginica Ashm. g ; a, 9 antenna.

3. Monelata mellicollis Ashm. 2 ; a, ¢ antenna.

Basalys californica Ashm. g ; a, Q antenna,
Myrmecopria mellea Ashm. 9 .

i, .
4
a
a
Lael
2 id '
* o a
ey
~
Saar ‘
.
) .
at .
>

U. S. NATIONAL MUSEUM BULLETIN 45, PL.

Fig. 2,

NORTH AMERICAN PROCTOTRYPIDA.

U. S. NATIONAL MUSEUM

BULLETIN 45, PL. I

3 ISOBRACHIUM—Fors®

Ash. deh

7 ‘DISSOMPHALUS—Asnw

NORTH AMERICAN PROCTOTRYPIDA.

4

5

ISOBRACHIUM—Forst

O'lSSOMPHALUS—Asre

U. S. NATIONAL MUSEUM BULLETIN 45, PL. III

J ATELEOPTERUS-Fonsr

») ATELEOPTERUS—Fors?

APENESIA—Westw 4L aPENESIA—Westw

clave del

cs BETHYLUS—Urte

JT AUIS Ase

NORTH AMERICAN PROCTOTRYPIDA.

U. S. NATIONAL MUSEUM BULLETIN 45, PL. IV

I EUPSENELLA—Westw 2 sieROLA-Caw

Sr CALVOZA—Westw g EPYRIS—Westw

ela del

7 PERISEMUS—Fors? x GONIO2US-Forst

NORTH AMERICAN PROCTOTRYPIDA.

U. S. NATIONAL MUSEUM BULLETIN 45, PL. V

2 EMBOLEMUS—WesT~

3 ORYVINUS—LaTR

6 BOCCHUS~—AsH™.

7 eHoRBAS-asue

NORTH AMERICAN PROCTOTRYPIDA.

U. S. NATIONAL MUSEUM BULLETIN 45, PL. VI

4% HABROPELTE- Troms

5 TRICHOSTERESIS—Forst

& cycocerus-Forst

Huber tle

J — atRITOMUS—Forst 10 .acyNoveEs-Finst.

NORTH AMERICAN PROCTOTRYPIDA.

U. S. NATIONAL MUSEUM BULLETIN 45, PL. VII

HA MUS-T
SERATHANCGHESS Tous 2 CERAPHRON—surin e

3B NEOCERAPHRON—AsHm.

—TRIMORUS-Forst

b TRISSOLCUS—AsHM

7 TELENOMUS—HaL

4
alan Ack 7 ARADOPHAGUS—AsHM

3 DISSOLCUS—AsHm

NORTH AMERICAN PROCTOTRYPIDA.

ene eg ee se

a ee

ee a ee ee a ee ee ee eee a ee, |
.

U.S. NATIONAL MUSEUM

4 PROSACANTHA-NeES

Aston del

é TELEAS~Larre

BAUS— rae

NORTH AMERICAN PROCTOTRYPIDA.

BULLETIN 45, PL. VIII

.
F
|

U. S. NATIONAL MUSEUM BULLETIN 45, PL. IX

°
2
iS
FA) S( o
OC)
WW a
f A ‘

J CALOTELEIA—Wesrw. 2 Baryconus-ronsr.

f
Z

é
4

CES eee a= sa
ay

SS

Lf s

See

GO CHROMOTELEIA—AsHm

gv LAPITHA—AsHtQ

7) CALUISCELIO“AsHits

NORTH AMERICAN PROCTOTRYPIDA.

U. S. NATIONAL MUSEUM

Asher, clet

S wris-Foasr

BULLETIN 45 PL. X

SPARASION—Jurine

7

7 —- SCELIO-Larreiee.

NORTH AMERICAN PROCTOTRYPIDA.

U. S. NATIONAL MUSEUM BULLETIN 45, PL. XI

6 wosTeMMa—Hac

hm hb

40 amecvastus-Forsa

7. XESTONOTUS—Forst

NORTH AMERICAN PROCTOTRYPIDA.

yu. S. NATIONAL MUSEUM BULLETIN 45, PL. XII

ew

eee:

-
‘

10 wyPocampsis—Forst

G TRICHACIS-FoRsT

NORTH AMERICAN PROCTOTRY PIDA.

U. S. NATIONAL MUSEUM BULLETIN 45, PL. Xili

: Ash, del,

‘. dure, Hake g

jl 7 PROCTOTRYPES-Latr, + CODRUS—JyRING
r

NORTH AMERICAN PROCTOTRYPIDA.

U. S. NATIONAL MUSEUM ; BULLETIN 45, PL. XIV

] LEPTORHAPTUS—Forst.

poy MIOTA—Forst.

4 BELYTA—Juane

7 XENOTOMA—Forsr.

6 CINETUS—JURINE.

NORTH AMERICAN PROCTOTRYPIDA.

|
|
|

U. S. NATIONAL MUSEUM BULLETIN 45, PL. XV

|
,
;

ae ee

oan <=

——, \
er { sS

a \,
Aston, del.

sv ANECTATA—Fonsp

ees

7 ~~ acowus-Fonst.

NORTH AMERICAN PROCTOTRYPIDA.

U. S. NATIONAL MUSEUM BULLETIN 45, PL. Xvi

3 THORON—Ha 4 HEMILEXIS—Forst

Adon dl

= 7 spicomicrus—westw

8 HEMILEXODES—AsHm

NORTH AMERICAN PROCTOTRYPIDA.

U.S. NATIONAL MUSEUM BULLETIN 45, PL. XVII

7 GlveTtONOTA-Fors 2 TROPIDOPSIS—AsHw

3 IDIOT ¥PA—Forst

e

Co LABOLIPS—Ha

Ash del

as PLATYMISUMUS—Westy

a LOXOTROPA-Forst

NORTH AMERICAN PROCTOTRYPIDA.

U. S. NATIONAL MUSEUM BULLETIN 45, PL. XVIII

OK

7 Beans pe

J TROPIDOPRIA~AsHM. 2 ouapria—tata

Z
oo DN

Te

SSS
U l
Y \
C
A
Psy
a
BB CERATOPRIA—AsHm. 4 TRICHOPRIA-AsHm

Cll <

7 BASALYS—Weerw. SX MYRMECOPRIA-AsnM,

NORTH AMERICAN PROCTOTRYPIDA.

RNS DH Xe

[Genera and species in italics are synonyma. |

Acanthoscelio Ashm
AIMOLLCANU Ss = soe Saisie eeeeiae hee ceo atte
flavipes

PMG OLOUALHOLS beeen eee oe a a eee

COCIOOMV erase ee eases area eee aa
floridana
melanostropha

rufescens
rufopetiolata
rugosopetiolata
IA COIOIOES EH OW sie eis ae eee rele oO
bicolor
Emertonii
PEG wn diseases oe eee se ane
melleus
SalUIdISs os ee ose re a
seminiger
SUDAPUOLUS me: era. anion ons eter Sprisys eee
PACOLUISMHLG RSL emcees sa cee ele ae eamre es keene
BOT ECS meas Rome e ena s es Cts ate yer!
CHUNG ENE S ea es eee. Ne
PLD ECULUILS te sae en
KANUGNO PASO cet aie eater ee
Zabriskiei
Acoretus Hal
Acropiesta Forst
HAVACAUGAe = styacisrac ree aes oe ey ire aan
subaptera
Alaptus Cress. nee Walk
CULE O CUS ea recpem eee a aot sk gee ae
Allotropa Foérst
SMMCTICAT AS snes As en alee Is a
PACD AS PISCMORS t= sap sok emn sere seesfarseie
AMERICAS. seete oe ae eter tes Sele, Sh
CALITOLIN CU SR mia ee rs Pe ciae = Brn he
LON GIUPES sas mca = esis nis) 2 ots seit er
INU WGUS series See) sete aoc,
OCCICeNtaliss mas rem eet ss oe ete chee
petiolatus
OTC EPS see ae ee eee ar fe
Amiius Hald
aleurodinis
Ampulicomorpha Ashm
confusa

Pa. ge.
236
936
236
260
262
261
261
262
245
374

378 |

378

acn
oll |

378
377

376
376
376
377
169
472
171
171
172
170
173

173 |

174
207
207
214
174

175 |

362
303
354
3ba4
292
293
250
250
266
269
268
270
269
207
268
269
292,

293

Anectata Forst
californica
georgica
DUGGEEONS ease eeeme naga ose oes
polita

Aneurhynchus Westw
aneurus
Hobidanus secs ees ee Be ae ae
inermis
MeN IPS 20 5 sass ses eee wre ee
spinosus
VITA IMICUSHe secant eres asec SSE nee cee

Anisoptera Herr. Sch

Anommatium Forst

Anopedias Forst
error
IN CEREUS sereto siete oe eae eee oe
pentatomus

Anoxus Thomson
Chittendenii

MUSCMUS ss syste een eae a eer
AMTEOMIOUTIMNG Ase ceiee eae creer nee
WMIMMGUS! Soe cers ee see ees ee Se ee
pallidicornis
MOTUS M2 soe ss= a
Popenoei
PUNCHICEPSi25- 2c keke esti Sy se as eee
UP OSUS ian is aa ee Tee eee ee
tibialis

DN OTICO DS ge esate oe skeen ee ee ee
WIL SIMICUSE re ae eee oe cc oseee seme ees
AGIOS DION BGS casseeueocesouscasnsess
elongatus
AMENESIAaSWESUW/se ae = ee nee es ae ase
COON S55 abe Waa see noe geen Sorc e keto
Aphanogmus Thoms

bicolor
florid annas) /seiee Sec emis eee Sse
MALY LAN CI GUS =o. (eee isla eee oe
niger
pallidipes
varipes
WIN PUNTENSIS | y.ceiteee see ace eS ee
Aphelopus Dalm
ANISH Se eee tise eee
albopicbussecr= sc sacs nose eee

AIMELICANUNS joe ece ae Heene eeteeee
MeL MAUCUSEsEeeese ea eee
ULC CMENIS para toee eeinee crete eee ree
Aradophagus Ashm

fasciatus

Ca
AG

134
135
133
135
135
135

99
102

100
101
100
166
166

466

Arhboiue Hall. 25 ).<% srs cheese oases nen eee
Ateleopterus Forst
nubilipennis
tarsalia: < Soschac cacaccces ae ee eee eens
VIL PUVON SIS = eee aie ene eae a
Atritomus Foérst
americanus
Baryconus Forst
ecanthi
Jloridanus
Basalys Westw
analis
IDPOVICORMIS:. sc.5.ac<tees-- oe eee eee
californica...-.-. b Jutseteid Qaida sac ciate eee
fuscipennis
picipes
ruficornis
MtaAhensilss.7..22 csc ec eee eee
Beoneura EH OTrat- =. a2 os. ae Cee eee eee
cinctiventris
IDICOLOT @e> -aaeee ke eee eee eee Ce ee
floridana
Keini, tribe
asus Halas 325-6 ce Ss eee ee eae eee
AMELIOANUB Ss co-c oie eee a aero
ClaVALUS ===. Cece cee eta este as eee
IMNLTTUGUS = oe eect ee ata sorte ores
niger
ICONS oa oso areola eee eee
Belyta Jurine
erythropus.......-..-.-----------------
ALOWURIS Soa eet eee le reno ee ier
LELIBD CS of piste jeserm aw Se ments asa as a
MOMPACOTNIS eso ee eee ie seine arate
texana
Belytinz, subfam
Bethylus, Latr
armiferus
cellularis
centratus
CONRELICUUR Stes sete sie e eelatnlay eee eine
musculus
pedatus
JUUC TIN CUAL een acfocmboaise Hcp a tce canon
Boechus Ashm
fH AVICOMIS: een = So eee eee es

Cacus Riley
CACATIEND 2c 558s ae des Ses ts oe ee ee
Caloptenobia Riley
Oanllicer de NeGk scise sess. =e 20s0ce ee eee
CalligcélionAshm: = esee 2 essa eens
IsthiGinetuss-2<c c2sses snes woe eae Meee ee
Caloteleia “Wrostw:. =--. shaccc. ee eee
CINICHIVONULIS?..< =. - bese eae ak eee
Heidemannii
Marlattii
WUDIICIAWS: b,c oe eee eae see ee

BEV Abas oS 2 of Spee See ae ee ee
Cabyvoun Wiestw =~ ccne ead nae nian “A
Campylonyx Westw {—Dryinus]
Catillus Vorst

INULUUADES coc cee. «oman een es aaa

INDEX.
Page Page
400 | Cephalonomia Westw.......-.---- Ne aeeeee 47
43 CVUIpphila.---e-- Serna eee ome 49
44 LORRI E ain amine aetna ale 431
45 gpallicola.-ss—-e sen een hee eee 48
45 Rherticouis: ©. scasks inet ees aoe ee 436
121 hyalinipennis: +... .--n =e esece eee ee 49
V2 nubilipeunis’ 32. 2-<45 secs oe pee eee ae 49
215. || Cerapbronina;(subtam-— >. 2225--e ee oe 102
245) (Geraphrorini, sivibe s ...2: 2 oecese sees ee eae 122
228 | ‘Ceraphron, J urine’; ..----2--=--45-- 245s 123
442 aMIplUs= 2. <-- sce sates see = aaa 129
445 CHINGHUS yee ewe an ee ee 106
446 | MUTIPes sess - Soe SA ee eee eee 125
446 bagalisic-c. o.cc het ee cee eee eee 127
444 califomicus! =.) 262-2 een soe ee eee 127
444 carinatuss. sas. ss). one atone near 131
445 FASCICEPSes-4- Sone ce ee oe eee 125
444 | AAVINCADUS ono <1 tele ae nate oe 130
232 | elaberinc.6.k5.6 = hte tee ee 130
23°| )<Tongicornis...<...c8..-..0..%oeeeeeene 132
235 | WNECTONCUTUS © cae a. a aneae ae <r 136
217 melanocerus...... cick cists Sos eens 129
167 | melanocephalus,. -.2-.2.---- se eeee ee 126
177 | mellipe@s:o's< = vacvince: Moin See 131
179 Minwhiy sc cae «ark bee eect ton eee 125
179 | pallidiventris!.2c- 2+) a-0 ee eee 126
178 | pedals’. 220 ees Gene ee 130
178 punctatus ........ Jeep d woe Ske eee ee 127
179 Balicicola.-. 2.0 eoeoee os beeen eee oe 128
355 wnicolore..<-2¢ic2c2<)¢s anos eee eee 128
357 | Ceraphron Thoms. nec Jurine.......--..---- 107
556 | \Geratacts“Choms-o.teo. 22.8522 e eee ee 270
361 | (CératobwusAshm <--=. 5... ------ = eer 175
356 binotatue.<54 4 4 one. eee eee 176
357 COPMatOS 2 e262 te Rees 176
345 | ‘Ceratopria Aishme.-= 5-7. -.2c Se-coe- ee eee 428
52 bifoveolata a-5..<. -.0..5-- 5-2 2e ee eee 430
34 Horidana <-2.535-¢- +s. eee 431
74 | infuscatipes -< hes se-<6 -= ee eee eee 431
54 LON EICO PAs ecem = oe — ae ee eee 429
53 | meraplastan: 5. =---+ +e r= -ee oe eee 430
62 | Dpusills -3e- Sc es-c tba eens 430
59) | Geratstlon Hall. 25. ~ 25-0. esann ce ater 391
79.'|\Chelogynus™Hall<.-2=--2c2 no-sense eee 92
9] airiventris: +2. 22sec wees eee ees 93
91 CanndGNSIS = s2 4. Ke seh eee eee 93
Henshawi< 22.2 0 22a bcewa 25ers 93
OhelotieliusReinh =. :...:222-2,c0n¢e gene 2 85
Ohitdonta HiSehis 2.2 tee eee ee 400
223 | (\Chromoteleia Ashm <=... a2=--- sae. o5e seer 219
224 SCMMICVANGD cease = oe ee ee eee 220
241 "\) CinetuswWUrine: 222. e- woe a tee eee 359
123 Californicus « -22-.55---2sonesheeee eee 361
218 Macrod yChigm'..- === +<<scce a eee eee -. 360
219 MIGMIPGsS a cses— sear ene ee ae eee 361
212 | NASUGOS sae aS es 3 ne eee 362
213 | TMHCOEMISI Sao 2... k ceo estes Aen eee 360
213 | QIDIMIS) <5 Seve beaks Oo eerc cag eae eee 361
214 | (Codrus Purine 2.2: 2s cecc eee eee 341
214 | (Coelopelta Aisluns..c5--- ee ee ee 289
213 mirabilis ........- Po vata be hes ee 289
Si. “Copelis Prov... cen hase sets S =a ee eee 331
85 PALAMODUS <<: sae nk es eee eee teen 331
265 Captera (Say sa2. 2-2 she eee eee eee es 408
265 | polita a ata mparete tee tected ces de ee a eee 410

CORUTOD GUC mia se seats eae eee eee
CremastobwusPAShimy, 252 so eeeee eet ee ee
DECOLO Race er aoe teen eer oa ee :

Werndrocenisenatzeen ee eee eee eens ae

Wiapwia atin ssoasesesq<s Scns = saan =
TUS CLO MANES He ere c= ert erm, epee
OMONYZ A ei eee ae eles are ae
DIC Alsi sae 2 nner sel ee eee se ae aerate
URI Mud epee ates oe eos Se esis te
PECINCOTINUR Rene 2 Bee Se ee Sh ae
CaifOnmiG ase see see ees So een ee
PILI ILL oe aie eT oe PR See TS
CHUL OE Saas eee So eee = Do neee ee
(COLON 6 eS ae Ok SUS ERC OES Ene eee
COUR Dian ae ers eens ware ee nnd eet 2
HOWL TT crc RRS Bete SE OBE ere eee
Ely tNLOPUusewreca acer ee Soac es So eae
Cn yLhnovhoras.oseraeeee see ene

LOT UIUUN CULE aera r= aye ers as Soa Sia oe e's
teunap laste sa sans tee ease se.
UES SUBS pia eats == (eae elaine se enitees Se 3
LUNE RSIS tees es ee 8 So ee ee ee
Wal UN Cie ois stare iani sate eras rere
Dippin. SU Dtam ena sais
MA PMINT ETUDE = ce = oa sisevese woe aiels Sea eee
Wichoonms~whOmMs'- 25.5525 eee ae eee =
PucondyluspHalipns ss aso =e a= asses Sees oe
Wiphomiehorstesses =e wes so. aoleeeete eae
DISOPMUSSHOMste-o ree ees eect ee eee
MISSOLCNSPASMIM eae ecm seas pe ote eee
MIPRICOMNIS s2= a= so ase ves e Sesser See oe
Wissomphalus A's hiss 256 - c= sesso
CANTON COS i= cera Sassen eee ere
CAPOlIMENSIS tga eee sas Some
ATOM OPUS tees ates Sa ae Ae emer
DnyiminewSUfaM ssh 4. setae ao
ADT ETUT Sp laeuG Rosato ioe ores Bae ese elapse eas
AUER TI | eS er i rg ne a ge a eS
UNMET C ANS esters eee feet: eae aee et rats

DITASCIAUN Ste some oes eae ee leg oF
.

E.

LE CLUES PE OLAU oe ate a ie a eee eae
Elaptus Forbes nec Hal.......--..---------
Himbolamuswwestwesssoon co seesaw ae

RUCLEDLLED OY crate oe ope rere A ere ee we Sle ee
Hmboleming. Subfam)=—22)24-- aa--2 22. ss- =
Hintomacus Horstis- sees eee eee. Bonnar eeelee

SEL ULE CESAR IOS O Ware nie tay ones eee

EIPUSCMULS HURON S ase ane ee eee an ae

Epyris Westw ... -
wneiceps -.. .-..-
ONAN Sy se enews oe
carbonarius ...--..
columbianus .
@randisen-- 5. ==
leeviventrts ..22:--
megacephatlus ~~. -
OCCLGLOTIUANT Semen ae eee eee es
PU PES SAN ees Gesere eee na eee

INDEX.
Page. |
441 | ETIGLISSOMeCLUSVA SHI ae eee oe ae ee see
228 GOCIO OMY Toe asane fe oe be Seesaw wae cer oie
229) Humegaspilus)Atshm --=---2:..---) 220.2222
CONTUMCTSUS gate oat ek ao Pte ee a eee ae
CY DOU OTs sate eee ae ae ear
104 OLLUIWEN SUS ae at ee tee Se ae eae ee
A90e)|peUpSenella Wiestw s-aes2 see es eee ae
427 :
423 | a
4298 GalesusyOuntsssec ss soins eee ee
425 DUT COLD Shenae acts aero ae: ee
391 | HOVE ANUS ernest ees =m ee ee eee
422 DOltUSG os. eee ese ee eee
418 DIOSUS ee eet sale ya eee
428 OX ATUUS Wy eraye ere ce a ee Aee
425 quebecensis-=-.----.- Ube ids Se eae
SENG OD TUCAELANS See ee ope oe pens oe te ee
418 | Glyptonotavbors tase ee eee ee eee
423 | MIOWIC AV Abai= Se Ree A ce eee eee See
424 | Gonatopus Ljungh ............. ene ee
426 Dicolone Ate eg Lee or ee ee ne
427 | Californi cusses seeer ss eae eae
395 Contortolus sens eee eee eee
426 | (eciplen se see tears tener eS ee
424 Hawiironsecq + soos eee 2 ae ee es
A230 Gono za Se NOLS baste cele ee: eee ees
426 Cellular sie cals a ae eh ay eee
384 columpiann sis sean eee ee ee
406 | fovedlatose= so saete se es ae ea
119 | rob pandites Ss <s=soc se ace ese eee aS
2 | mecacephalns\- sete ta =e te eee eee
348 | platymotse ses ce. see saeu ac eee
332 DOLMUS ses srit Pease ease sa Se a ee
i AG Crtsy Oi Elina tp emer eg er ea
165 borealisvs tank ae at een hee yeaa
41 Canadensishe ss5-sacre Rete eee ee
43 Colom anaes eee oes ee os oe ee ee
43 flaw ipeststs Je eee na Verran coe ec aeee
42 ALUM GTN Senet eee ee sae seevaemeece
80 |
85 H.
86 Habropeltenthomseecen= sees eee
87 | QUEM AMUSE oe aa eee ee or ee a ee
86 | AUSCIPENNIS SS eee oe eee See Soe
WELL OCCNOSHHOLS bee mae eens eee ee eee
HadronosusvZllGrs bene saan eee ee
277 QUYESIOR sri sey ne = eee oe) eee eee
293 HOPI ANUS) Hae see eee ee ee
19 | RAT GR, Oe ae ot Rene! Bote eee ae ere
89 | leptocoLissey, Gss8 5 roe een eee ae
77 MyLMeCOpMilas es eee es sete hae
388 | GU PCE DEE aye seen eee ee ee
380 | TU OS US pee ater ata tet ae ett eee
277 EGlonin ey sublanler se eee eee eee en
OOM eloniisplUstrase es se Masts. se eae ee
57 | ParadOxus 22s oe wae seo eee
5m rlemilexistHorstes- ee. ase eee ee eee ee
60 IDLevACOnn ssa seeee peewee eee
59 Calitonnicareances se eee eae
60 | mellipetiolatamaas ses sce epee eae
61 - subemarpinabaras a2 a2 ce eee essen
34] Hemilexodes Ashm.......--.-----------.---
61 Honidandevescc osc Mee ae eee
5m) Mae musviusMVVnestwreeacnet eae eee meee cee ee ae
GOL etenolenisuNieesine (cic ces seein oe ae

467

Page.
298
299
119
117
120
117

D4

408
409
410
410
411
411
4.9
383
401
401

82

be

ro

tro bw
coon vva Ys) 94 9
Nor ot Ol mm D&D & c.

La so}
oo
an

208
206

104
106
105
123
229
233
232
231
231
232
233
232
334
331
331
388
391
390
390
389
399
400
142

A68 INDEX.
Page. Lelius Ashm—Continned.
Fotopedinw Foret <..5- -=22-- 205 eee == 47 LDAP EA 5. pe eS en pes ae oe are
MUDD ENNIS. ceo oe oe = eee 49 | UICATUNARUB).. 23> 3 eee =e eee
Hoplorryon Ash. c-. 2 =a eeee ce ae ae eee 200 trovodermatis . ../522...2..casce = ase eee
DYachyPLerasess- eens see eee 2045) Tuapynodes Porst 2. a. sme anes esr oe ce ciee
Claripen Diss oes nse see = = eee ee 203 MIUNWNS == eee ate Reece eee eee ee ae
JON GIPSON MIS! eee see nee eee 202) || “Lapitha, Asin...) 2 tsk a eae eel eee
MinDtissINIs a. sea- eee ee 202, Spin0s@: 625 5<<2- 5-6 s eee eee eee tee
ODSGUTIPES feo. 2 see =e ee eee 204.)| eptacis iN Grst)-2- 9 <-5- =e 2) eee eee eer
PUONIMIS sence crete ce ceee cee eee see a 205 Drevivertninsss-:s3.--6-+ eae ee eee
YUL POS) 2 22 es eae eee eee eee ees 205 | eCSNipipiilns.. 26 = ao ee ee eee
solitanins’= oo) 5 sheet ees semen rene -- 205 | Navicornis: =" 3.5 262 se aa cece eee
GiDIA AS ss oso eceawes soos ee ane 203 | fHoridanus: = 5. -.<.2s-be eo oe ee
Hoplopria Aishiies-o.- esse eee enee asses 388 | lonpiventris, 5226.46 s.5- eee
pulehripenuniseas see ee eee 388 | pubescens) -2 222 so-so sss ae ene
Hoplotelia Ashinig- (os =. tun eens Seen 227 punctatns: oe eee
Goridanas.cs. tos, See Nee aoe 228 Puneticeps::.- 325202 55.20 3 eo eee ee
Huyperbceus Worst.2-. . <2 «22.22 sbacenp tee © li7 EUPICOPS: - 2a ceiccc set sce en cen ee eee
Hiv pocamipsis@MOorste cose se -seeeeee 298 Striatifrons 2. 225-5-25..cecd24> 2002 3 o
pluto:-s-- EL Rasa te dace teen eae eee 298 | Leptorhaptus: Horst-<--2..--ss-ssssee45 eee
COMLCNS? 2 es a-kaeae a Pe eee eee
I. TUPUS*; sce tase ase ee een ee ee
Kdioty pa Morat. s.sea. we oo sees emer t 403. || Scoboseelida Wiestw. =-.-2a-=2 2+) =soee ee ae
WOrIS H6rgtiee soo aeacaen ae sae cea eee 235. ||) oxotropadorst -...--- => see =e eee
eOVACOPS <2 ..55.<cteee aoe ie eee ic are 235 | abrupta 2-2 secsec1 se See oe ee eee
Tnostemm(s Halls. cece te eee eee ee 256 | californieds-.a4:-o2s=2 ine oe se eee
Galifornica 2 .c0sse5 wee ae wee ae 259 columbiana:2----casces ease y= see eee
GYESSONT- <2 teens hock On aos 257 | flawipes! <2eo2. 225. Sic bie. eee ers
Ornit. < 2. fs3- seer ee 257 | ELarringtontt 5.25: 225. tosses ons pe eee
Tantneri sas so oan eae eee 259 | MOWED 22 5a eae sos nee Eee ee
ROK ATOE soe eee eu een eee ee 258 | DANA Jasco a .eetoe 2 seek es te eee Oe
IRS Ya osctes = Sa erete a Some ees cee 258 | pezomachoideés .-- = 5. 5222-6 -s-< = seer
Inostemmini uel G].-. 62sec sca eee 248 | YUACOTNIS: 2)... oases See eee ne eee
Nphetrache lus) heal sea cr eee ae a ea 249) byegocerus HOrLst: | 2---. 22 ese eee
ANTONI CANS eee ee tae ee ee cle 250 | CUP ITUALE Soe one ee se eee ea
SMATUS Alice es encp ae cee ne eee eae 380 | californicus):\-.5-= > -em- ate oeseseee eee
Air OpenolatUeic =... aa sere ane 398 flonidanus.- S22 S252 a5 eee ee eee
MRGbrAachimy LOLs hase eae oe ee en 35 MiGen se Sa Cee Ee. © AOE eee
AMOTIGANTAN 2 oe Aes seeder see eee 3 PACIICUS =~ == 5 seacece erate ease een
WN APN Hae cee ee a ee atelier 36 DICIPER. =e =e oe eee eee eae ee
mandipulare’§ 22.222 e- eee see eee eae 38 6-dentatus:-<- 505 -cess02 ses ceceeee ees
MON CANIM,» = cc. Seaatsercnes ce rcer ates ee 39 SipMAtNS 5-5 o-oo Sere eee nee ees
Myrmecophiluni -<o-e5 see ee = aan Grition in soss soe seen skeen eee
SI nh ee ee ne te” wth UB A. S80 Shay teu aE ROMS see te en ee ara reales
PROCY DUS MOIS bers er een see eee eo 327 |
CANAGENSIS 36s ose eee near 329 BE
TONG LV INICIS 2 oie sateen eae eee 330 Macrohynnis Horst -.:.->. 2-2-2. 2.2. =r «
MA OEN EE Meant ene aes Ao cose ee 328.1 Macroteleia Westwie-->4-e=---ncceeeseares
PALIPES ee See soe ee ae eee nee 328 | MOVIN Riase Sere e ess ee aa cea eee
TIsorhombus Porst<2. 54-52-22. ss sses seme 276 MAGFOPASLON. 225 s22- = eee
ATIZONGNBIS yes n ee eee ea ee one tes 277 Virpiniensis 2228- 2-25 2-0 oe eens nee ee Z
hyalinipenwis [ooo s25 += see skeet eee 276 | Megaeptliden Ashi. - 2.222 - << j-<- <6 -eeseee
Rsos basins WOrsbiit. 5 see oe does eee 254 | Megaspilini, tribe ....-..........-...--...--
APIO Ss Soe or ee ee Aen Ree ee 955. silepasplluse WiCStW: c= ca40 aeons
PUBCIPODDISS 4-2 eee ese eee a keene 255 qm bigiwus seek cece es ne Ree eee ate er
MUSCULUS? aes seo eee ee ee eae - 5 205 ANOMALIVOUENIS. — = 4225-5 ssa eee
Californicus ce. ~ 2 0e cones oe eee
ie GANA ENSIS) .-. os eeee Sena eee
SUAS SEN eA ee eee 87 Harrin#ton izes 2-520. 6s8 eo een eee
lOWSUbAUEIS: vena emt ean oe ante 88 iy Alin penMnis ie. ee ee oe ee seen ee
NASM UNS eee pe, eee ee are 89 | le@VIOSPSto oases acces e ote
LOANS 228: Sees e eee ee eae 89 WUCENS Se coc ae Seta oo es eo ee
ty phlooy bi w2°s fos.22 oem dks oe eens 89 | marylandicus <2-o4-2:4s--5-coeeyecbeee
ab olips Halse. oo pe ate ee eee 406 | NQeh season ee eee
elie: Ashi ss ccc tee ase eae ene nee 50 | OttaWenSiS '=,.cc0-525 Jae ane sears
Nirripiosuseuss-e cee oorene eee 52 | Popenoet och sont ccs eta sapere

Page.’

51
51
51

120

121

229

9299

oon

270

=} -) <1
ow bk

348
216
217
217
218°
123
103
112
115
114
118
Wz
116
116
118
338
116
110

Fei

114

a

ee eee

= sy TT).

Megaspilus Westw—Continued.

Perngandeiss ite oe le ccle net
SGUAVAMZN et aie ays fers a paels
Bhriatipedac css saeco eee
MILO UNNOCUS sae eeeane ees
Megaspitodes Ashm .-...--...-..-
ATINAUUS ao Boece eo ae ee
Mesitivs|Spinola..--..25.-----=---
Dbitomedlatussons.2e-ss6.-so6---
brachyptenus2=---------=--2---
GuliformeCuses sate ase. oe ok
TREUIUGUSH niente ee ets Seek oare
MOMUICOMAr. =. ease siaelsis ws comes
MEaMOnsi Sass seme aes eee ee
GURUS pate = miele ee tt tala

FANCOMNECLONSIS wr e)ae'= ie ==

MietaclisistHGrst=.-- 222-2222...

BVVCNTOPUSs a sees are = =
IMR CT OP SOLAN 2 acct ess ys ec ee ae
Minonoprig tals --4eens eens .co
IVT ORAM OLS bs see esac Se Sac ses 2

BAN ORICA A meron ae Se ees eee

QUAI Sere ah ee ON ra mts. oo

COlOTAUENSISr eee ss een eee eee

aD Terese eeeiaceee ee
MionelatayHOrsty<oic-sos- See =

hiriicollisysscseece ss moe ce eee
mielicollise sesscer- reece asses

MOnOCTIEAH OLSbesssss22 = 2 ==

COMA CENSUS io etateteia os eres |e
CAN MAbAR ees 1s = alee
ANCLONOSEFOD RG = ne 2 2)=)= 2) a= = oe:
MISTIPES se ayo sas eee ase Abe pe
Monomachus Westw .-.-.---.---.---
Mi MARTIN als eas a scies se = eee sai
MVM oe) asa ete cae es ie
MivMarold 20\<)-)..6<tats aisha 2 see ote
Myrmecomorphus Westw..-..-----
Myrmecopria Ashm....-.-..--...-
TOSI) eee che ree ee
Mistrophorus Horst .---.---2-+---
INI EH SIA cess atts ia te Lee eas

Neoceraphron Ashm ..........--.-
MACrONGUNUS eae see ee

Onazonueball sat eece tees eeeee

Opisthacantha Ashm

MEG MIPES sale a ile = ee
Onaylabisshorsteen. sees ee acc <a

SPINOSUS ee sae ee = =e

IPantochis#HOrsts- cooks es eee
ANAS orairenie cee eens 2 miei
CAL OMNILC Ae eae se mics ae
ROlOraAdensisarss ae on ae asa

CTraSSICOIMIS*-2-=5- 2s =

EAN ALTO Suestee rae ao itar ete note
HOTIGA Goose ee eer es eet
PITS UA accord oe arcane ts Bass vse

inermis

INDEX.
Page. Pantoclis Férst—Continued.
118 Weraplastar =| s-42s= =a saeas cee ee
115 | DYONUAN Ab 5 fio cfeicieto icine ejale sare en Peon ae
115) | DPicipesese sees eon ee ca eee
TU TULES GCOS see evs Se Sree sale eee
104 MULE AMU Me see eins ts ale sa oa eee
LOGH | eantolywaiOrstose ss. 222222 2s seer sees
62 prt ait es aes eee oe ea
G6M | SParamesiuse\westwie 2a. cc ccee tae eee
66 | Clamipesiirera aise ans eo sot. oe eeOe
65 | OLECONENSIS. - seer cee eos ee ee ne eee
65 | AlMidimeskeee nae es 2a tee
63 PanvUluse ote on Seder eee eee
G4 SPUN OSUS arse aint ese ace Se ine 2e ose eee
67 Germinausere ace. Se aa
i WbANONSIS zac ses ores = eyasis ace eee
Doi |e Raraeierolan Gani Woes = Oe wis ke UE
252 RedimommeanlGnrstmsenes eee aoe see
252) “Pentacantha: Aslan. 2-< 5.2) s4s6. 02.9.5. oe.
120 | Gana dlensis tas Sct aha oe see eres eh
403 | Perisemiusehorstisca-c es oe oe clare
dol Moridanus!s=seccee f soesee wees eee ee
393 foOrmiGold Seeker. aeons ee
302 melMipes= <tc oases ase seg eee
852 MUMLIMUS oases see ee ae
352 OLE PONENSIS/ on =e eee eee ee eee
441 DEOLON SOSH teenies oes eee eee ere
442 | Rano priay As Wee a= sesame oe eel ee
441 | UETITS Pea eae ne ea eee ei
252 | QUPLET A eee Wale eas ba seco eee eae
329 hema to Disses See eee ee
254 MATOS SUNN) Seen ere Se ae ee a
262 WOM GAT ais te see Sameera seas cle aie ences
253 DAUR area eat eee eee eee
345 SCHWARZ aoe Soe cee ah a cytatiiae epic ere
9 | BUSTS OST GE ee ete lee ate
260 eb airemnis bhOm See see = =e cere ae eae
26 Hawa Peseta sae ea Se epee eran Sat Sac
78 | ALO GUC AIS Se nee yee ee sieye sees ar
447 | ODA CUS peer ts eae ari ee ees
447 | ONMVOGUS ser oe se ees ota aera
98 PHOT bas As Wise one ectece ie eee
403 IONICS ESE Soa De eB Sea sben Sener ceee
HePaestoplenbarh Oster 23-6 <i es.
MACUL CS ee cera ee ae asa ar era ate
Ys ||) LEN ee ere Eo ee See ee ceoceeneesensosesout
136 GL UL LS eae
Mp DIGIS2s oo a8 ae eeepc hes aes
GUIVOMCTUSUS 2 roa ore aad cr te
Cary Sdn al ete alee oe de a let el
379 | ONT Oe spe re ae Pe ee ee ee Pn een
221 HoOridensis? 2220 acca ote a eee
221 SLACIISS fy Scene os le oe ss Ale rad a
307 ernie alice aca sects ee oe ee
308 PGEINOUGS a oe Ba Fine Oras are oe CO ee ee
ODSCUTIPSNNTS)= 2 sees oases eis
SD COU CS tt a ae
306) ||| Platycasterine, subtane. 2s. 5--- ee
STON Lat yo Aslerini OEIC 2. ot eee on eee
Sila eat yANISe MATS VVICS ON oe ees te sete reer
371 | TOYO REOU iS are eae
BOOM mG ONO ONES ikl OUTS Dieters ete an teen ieee
370 ACHINOMCLICIS a aniee css oe re eee cee
372 TUT OLA yaar ey are Bee PLoS alee ee
369 NIGMS: Soe of aa ee ot a wow eee
448 NP CETIST POlacin tole ae atayereoe a oe ecielee mates

469

Page.
368
368
368

oT?

370
383
383
391
393
395
399
393
394
393
394

72

78
181
182

69

Ina 979 94
rw OF RF OF

ee
ts

440
439
438
438
440
440
439
458
139
141
140
141
140

90

99
265
265
Bye)
326

Sea)

329
325
291
324
326
324
311
320
328
247
262
411
419
299
317
310
319

A470) INDEX.
Polygnotus Férst—Continued. Page. | Proectotrypes Latr—Continued. Page.
DALUVICOMA (cis. ovis Stat ae 320 | quadriceps’... 42 02552 2a ee eee 343
SUSY OA are ooo aa lad ee ee 315 PUP AG CEN) seers osc naee ee e e 33
AEN Plies ck ee oe a betwee eet 308 siugulans)sjcfe-s-ee dss ances ate oan 342
Diecharicdlaiss. aes Sante tee ene 306 terminalis 32. 52230 2S ss eee 337
GALITORICUR cer eetie wine site ee eee ea LOXANUG) 2.3522 Misc Sihadece soe ee eee 341
colonadénsist=35-2-55 1322-60 oe ere 320.) Prosacantha | Neés--- 22-2 = se eer 185
(GVTIUPICO Ae eet eee eee eee 314 | ANGLICAN areata s Soke oe ee 196
UUPLO STC forsee rere ee ene 306 annulicomis. 5/5: ss. a3 Jose eee 188
OUPOUWMIG? So2 ase oe eee eee 315 bilineata. .. 22:29.0 51225 2 eee eee 194
GUUTB ee poe oe ee eee 318 brachyptera ....-..-- Seana eer ae eee 204
MICOTMIS,- = oes ce ne a 321 Californica. =. soos as. cor aaae coe 190
Nord anus ose eee 318 CarabOnum 3) 515-~sonk | oo sce eee ee 191
ena Alea eee ee ee Lng Sss 311 colinibianae t-te: eee ee ee 194
NOaGHU CH eee eee tee ee re 315 ery thropusisc2. 2 3a oe Joe 195
TRIPODS Ste Hee ee ee a ee ae eee 311 LaviCoN ar. Sunes 28s ee aes ae 196
Ne WA COLLIE? Sect ne nae eae eeee 320 flavopetiolata.o/. 2-92: 2. eee eee 196
pinicdlR esas soko ae eee 307 foatipennis:ce.2 2-2 -< eee pee 194
PLOMUMAeE Sele toe een es 312 | eracilicormis: 2-3-0 3-2-4 7- eee 193
MODL Sees eens aaa ee eee eae 315 lmVifrOns:s 2s ee ack Assan: tee 190
Saligicol at esos eee eee 305 inet -osc ae ones eee ee
SOLitapaMIS eee eee ete eee 2 307 MAGKOCET A ss eee ee ok ee 197
SUPIRUICEDA eens see ceeee cece ee 308 MONALDULATUS so-so le ne ee 200
Striaiicollign se: = eee ae 319 marylandicay. 2: 5.0 aoe eee 192
OOS ee eer oe eee 310 WMelanopils Shs 2 Fectee eeee one 189
EU SES ee eee 314 MAN Ae hrs se Soe en eee ee 191
VEIMONWG (Ace ease cis= cess e- eee ee 317 | HIPTIPOS La-0e- eS ee so ee eee 188
In IGN SIG nore oe eee ene 309 pennay lvanied.->- 5-2 oseoe eee oe 189
PION C Ola ce eee ae a arin ne ee ere ee 313 | pleuraliss 22-22 522%.5.22 02 Sead eee 195
Polymecus HOrst=.- -s---=5 2-2-9 esse 277 punctiventris -.<.:2-3.2.-cee sees 192
FOREME ANU See sees = een ese E e eae ter ee 279 pusilla. Se. = Se ees eee 192
SMICO Ss spon ates paleo seit tee ee 283 | Schiwarzit'-: 222 s<0ss oss -Saet eae Js
SRELD UD OS 3 aie = oe et tte rye foe eel ee 283 SUristiirons.-. =>. scsee- 2 eo ee eee 188
GRD ROENSIS/5 25622 oc - Shee cess eeee 278 "gtiriativentris..s csc ee eee 197
COMIPTESSENEMOIS= =~ seca wee eee 282 citaliensis 3:55: 22:22 (lessee eee 189
lupEMnicOlAt. - Sse eee seca ne ee ees 281 xanthoonathiansus 20-2 eosce =e oe 197
Mm Gllis@a PUR Wes. c= woo ene eee see 282.) Psilomma Horst .2c<2-\.< 20 ce eee eee 379
nigrifemur ....--.---------------------- 280 CINREYACOND 222 x8 Pas ws: Soe 353
DOLIpGR yeas ae ee eee ere eee ae 279 columblana 22 20k eee ee ee 379
DICIN CS en aa ase aan cesta eS — eee 282 ColOvdaense sts sore eee eee 352
VAaNCOUVOLGHSIS: s] cee 2 eae eee 2818; |: Pstltts Dgsin. 2 es ee eee 420
ROR LUE NCES>. = oe 2 oe aoe ss a eon 79 QOCONUTATS tse or = ote oe ee 427
Polypeza Forster. --.--..-..-- Me Ku mae pets 387 PICS 205 view. AS eee 428
POT Ces ate oe eee eae 387 brevicornis: 20-29 eee ee 391
TRIS TACO RS ONO ees eae er 32 | clintusce dk hres ee 428
APCD R= se sree oe aise eee eee eee 34) COLON 20s 2s oe ee 425
RUTA . -- 2-2-2 oe gee ne = eos 33) ObiGais ead Soe aa ee 427
Proctotrypime subfam. 22 2-2-8. 52-2—-s-seee 331 tenmninatus lo eS ee 393
IPreactoury pes Wane so eee te ens tee 333
abruptus shes - ce sesh es 2 yeaa 339 rR.
IR OLECA Bie sare mre els Sani me = ee ree 340 |
califormicus)s: ==. .42.:-.05--5-a5cereaes 33. Ropronia-Prov.= sis: $< fo2- bases See 331
canadensis ......--.-----..-------+----- 342.1! Pata Aahm MGs-s2) 24> assess ee ee ee 221
CALDMNENSIS sean - = os oe one een oe eee 341 | °
CETL AT US seem e mes ea se ee ees 335 | s.
Clypeatns) «245.282 nse 5 a ee eee 339 | ;
CTC TIRLUCLTRUS Ss x arate em ee 335 | Sactogaster Forst:..--..---.--------=--.+-- 284
TOMOTRUUS a2 cee cote ee eee ee 344 ANOMALIMeNLLIS: <= 2-2 wes~ ese se enone 285
NGNIPCS! 2 2aca=- on eset sce eee 338 FIO WALG) o2a 2. 2 eee een tones Saas 285
Winellit phos 352 Soe Sees eee epee O97 |], cello Maat. dt Jo eee see ate wake 241
MOM PICE PS! Ae = =o acetone ee os eae 342 | oaloptent: So. <.t os _2pn ses ea e e ee 245
MEISE ya- 45s Ss Soe ee yaaa 343 Aoridsnus,- 2. oe ewe ee eee eee 247
MeWiveniNIs <0 se. <2 sss eee 337 | fuscipennia® =25/- -55 seoae cas Serene 243
ODLiquUIaS: 222 .-5 oe 5-—5 anes 2 sk 338 hyalinipennis .......----- Stee eee 243
obsoletus.--...-..--- sie shale Atay Sti aeaeredd 340 Tieton yao ene otin ee eee 246

pAllidus: =. =45~-5 > 25 - heaaes eee 336 | Qdipote:. 220. Sooo eee ee eee 245

INDEX.
Scelio Latr—Continued. Page. | Telenomus Hal— Continued.

OURS eer or eetataye sien ial = afeloomennetae ee 245 | CHLYSOPaat canton ok eee sao eee
OMIVOLUS isch ae tas ee ae 243 | Clisiocampre sees essa ee eee
WaAUdicormiseessesse ee see eee eee 244 | C@lodasidlistee. ce eee een eee
pallidiipes = 9: — ga sate ae tae eee 244 | dolvchocerns tate je. ee ee
DUNG ONIONS ieee a see ae eee eee re 245 | CUSCHISEU= Sry ahi lony wnt S Ep ty ey Sen eas
MCElOMOL ph arts Inne see eee eee eee a 239 | SCOMELL Nee ee aes a Pee
Disnlenc ee eee ee a Oo eee 240 BNO DH sel aap ey te AS. nt ee
IG OMG ORNS Emer see aca eee eee se 240 SOSSVPLCOla-cieke yee eee ry ee i
Saehoninswe -Subtamer a tees 22 eck easee-n 136 | eracilicomis cee o0 eee eee
Naelromimnepbribese.eece seec eee epss- asses 208 RAND UE eee eer oer tee
ISRECSOCIDROM MODS Lec eer ace mine cottons 40 | Nelo Ghidis poe.) oa): aust Cee nl
TU CTOUILSLO Ia am ete aac cee ete 41 | Brel War diiascets yar pe sear ay 0) 5 ee
PRD COT Re ees eee ee PE 7D Sah 48 RC LUN VTL Seg nese wc sys een ic = see ne
CADE O LCs ete eee aa eee 49 INKUS CALI Mes saeee = See eS ce ae ee
Re lenOt erm ail aun eee eee et earner 40 | Oe ee ace ar ooo eae ae ee
MDALCTO SASL OLS <n Aree hee erecta eae 41 | WEN OTT ole eae eso Ae eee
TROP CN Ce any cn tee 33 | LA CHO MIS ee eee aay
COTTER CLE Se a er Sk eet 34 SYED IOVS pe See ee 1 ee ae
Sclerogibba Stefano.-..--.----------.------ 77 MIT OUI SC AP US eee Gee yee eee ee Ste
Serphus Sets a re sens se sorte Sin ae 333 MOC WUE Seen eee ton cee oo ee eee
Sierola Cameron -.-.---:------- Se haha ee! pat 55 ORE YAO = a ban ce gers eee ee
UTM RESU Bate e rete etalanee ate a eee eee ae tah 56 pennsy IVT CUSe ts Ae eer a
. STAs OnE Labs oe ee eee ee ae ee yet 237 Persimili Sire ee ees ee ee ee
FAIMOWMCUMeneas aah ese ee cie tesirscm als 238 OCIS Tee Eeee tA sae eae e eee ee eee oa
| HR TTT ae ee 239 pusilla s Bese eer aaa ee ee ee
ACTA GUT ee es hee ae eae eas 239 | TULLE Ua reate Ne wore era) VRS ee es as Ss ea
. pilosum ne Ee ae ete ND iat ate 5 238 | rufoniger pte as ta sy Se Re Oe ER 1 ee
SpuOmMICrinin ribet sansa eee sees ae 385 SPBING IG. oo eceoa st opoe ase a: Hee
Spilomicnismisestwie senses nee sees ees 396 | Spilosomald skeseee- te eee eee ee
AULT LE LLCs Senne ome ee erie eect 397 BUY OUCUS Fe are Rose ean eee
Mon Clans tam a seias sch wey ieealndeciesece-s ae 398 | LAREN SIGH Stee ase ate ee
RULOPEMO las Heese aes ese ao oe Bosh eu nlebo nero home ss 2s ese ee ne
| AN CONTIG Se seen es eee ele iate aa SSM enor Ome al ltysee 4 ele pe eer. cee WAT
LOMEHUUS hearer eee eae eee es 399 Pallipes ss seis 3c a= ee ee
MON PT COMMIS] sass 5 Sate emis see 399 ODOC SE Ne meas etee Cece nee ee eee
Sala cremOrs teaser Ser eee eee mace eee AND A SHRM IGICCOPY ERIN Soka gecaceenantecosessusaee
PSU TLCE SEB OLS U ters) cisya tate feie tas) oo 132 Cloradtusies - Wooo see adobe age sees
SURO PETS PIG US te eee Nee eee: con Mmioharis:Borster 22665 eGe.usces do ee ema
PUL OMM ATED ote ese sey ee cla Se ede eases = 288 APLZONENSIS Seeger see ee: eee ae te
GOUMICO AE eet ayers a stars 05 sions ele ee 288 DUPLD GS Sees Suen Se yaa ae ce eg
TIVGRINU Serta cre ote ss is Sear erate ee 287 DEUNNEIP Stee es sae ene eee ee
% MELANOCELUS sat ess Shee See eee ore 289 Pipi Colaswee: Aaees hea ee ee
OTN eS eee meene See ee saan et aera 286 MUM DES eet sae ee een eae ee
SOT EN © Se Pao ee eee eae ee 287 WAG EIN CNSISis-O. ters, tese nao ne ee
MNT OM Ue nooacecbigdes anaes heHspemee Ze Se Tr Chopra eA nies ee ee eee
1. CanoliNENnsiSescpeceericce Ayes ken see
Havipesesiie tse ane eee ee ee eeoe
Relea sini pine ae eee alee eee 180 HArrIN etOniiias seo nee eee ee
MeleasmMbaty .a- sc seas oedsss ncn es oases cet 198 hmticolliste ssa se Sac oc Sos eae
CO MANS eres ie ee ee et eh ei ee 199 PACH CAS) eae ts ls crs rs ae 2 22 Se ee eee
MOMGHOCE GUS ete er er see saeee ene 145 pentaplastal <-2ices 5.2.3.5 358s ee eee
NUTS GSD OS erate etter fate rae iar 154 ODGN OCI Aenea eer sae ae ee
TG HL COIS pear ce eee etre mfacaitenssts 199 MUL PES vaca ase een Sea ee

AHA CUD PATI BS so ees ss oe he tae os kee 200 AimmMermMannies- ass sasce a ee
OLY Ape acs ces aceecee Se oe See Sees liozi| | irichosteresisublorsten=--eaeese sas seeee sees
PaldiPesiee lees ose sacs sae ae Se 200 AHonidanus, fesse 3 comes a ee
BS PUULG US eleteareye sek tae STE Uae lode rimonusevorster=oessees 25-2 once
Melonomini-sUnipe rs oceoas sees oe eee he oe 138 QOIOLICAM Bers ria. ees Se ob eee
MelenommuUs ial Gee othe es sais caw he 142 yesrissacanthweN Suites \aeeeae soe o eee cee
AEN CEASE alamo atti = 2 et retrain eee 233 QIN CTICAN Akers er perce ce ee ee ee
UNL Z RTO Victor atest eas ee eee 157 TUS OS itera ere alee ten ee
SRS tyes tine art oh eS Lae rissolcusea SHMm se naan ee aes ae
PRoehyMmences ase) 2 3 Se eee 164 DTOCHWNIeN ais.) see sae eee

CAMEORMIGUS Tee arose nee ie eae 156 | Ens Chis Gils ss osteo =a eee ee

471

Page.
159
160
160
145
162
157
149
156
149
151
152
146
153
154
147
158
155
152
147
148
152
160
150
158
146
156
161
155
15)
106
148
107
168
168
141
177
179
294
296
297
296
296
295
297
431
434
436
435
436
436
433
435
434
434
107
107
138
189
182
183
184
161
164
162

472 INDEX. . Sone
Trissoleus Ashm—Continued. ; Page. | Page
MuULrantiesca-o- es. eee aeees jee els 163° |) Xenotoma Pbrat cos. --sa:2 eee esses 362
WOGIBI soos ae oe sone pepe ee aa eee 162 mandibolariss.:.-22 9-22.25 s-sceeeees 363
MUNSCAPUS? eo aman gan Seine se ae ee 163 | Santhopus: o-:5:..0. 002. cata epee 363
Tiyan beac. s-se-s eosns ee ees ee eee 163 | Xestonotus Forst .....-..-...-------------- 265
_ Tropidopria Ashm ......----.-----+ pester 416 |" “andmiciphilas=ssse se casa ee eee ee 266
CANIN DEAS we clocs oe ele iels se chemee eter eemts 418 Te
CONICA...- ++ 20+ 22s eee seers rene eet ete #18 | oa coita Mitsksiek <2 tsa kes eee 292
SiMUIANSe sea ome ne so ae ase = Relea 419 Zeloty par Worvst:..-.2.-2--- = ser saan oeee eee 304 ae
torquata .......-..----------2+2--26---= 419 Solana RNG. eee 371
LOLaplAStAe 2. - ewe eee se eee 420 | flavijiea -d0-0-) 22 ee eee 365
Tropidopsis Ash.....--\-- -<2-22-s-,---r--- 402 lon#iicornis.. 2c. 1.2. eee 5365
OlSvatac.<52--cee sees ee eee ewes 402 | “puficornige dco 366
x j texana << 0S.2sa5 dc ssesee a yas 365
: Zysota Morsts 232.4542 -en sete eee 372
Xenomerus Walk............-.-:2----.--- 184 amerioana.<o 2. Sosc2s see ses ea eee eee 373
PRUICI POS ee eec eee ee eee 184 Califormicaccos-s.2 20-2 see ene 373
PUULCOUL = => ae eae oe ens oe eer 185 TOXaNa esac 25-c ces ese eae ee eee 374
© ;
.

n

<

r

9088 01421 0777