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SMITHSONIAN INSTITUTION
UNITED STATES NATIONAL MUSEUM
Bulletin 145

A REVISION OF
THE NORTH AMERICAN SPECIES
OF BUPRESTID BEETLES BELONGING TO
THE GENUS AGRILUS

W. S. FISHER

Of the Bureau of Entomology
United States Department of Agriculture

UNITED STATES
GOVERNMENT PRINTING OFFICE
WASHINGTON
1928

The scientific publications of the National Museum include two
series, known, respectively, as Proceedings and Bulletin.

The Proceedings, begun in 1878, is intended primarily as a medium
for the publication of original papers, based on the collections of
the National Museum, that set forth newly acquired facts in biology,
anthropology, and geology, with descriptions of new forms and
revisions of limited groups. Copies of each paper, in pamphlet
form, are distributed as published to libraries and scientific organ-
izations and to specialists and others interested in the different
subjects. The dates at which these separate papers are published are
recorded in the table of contents of each of the volumes.

The Bulletin, the first of which was issued in 1875, consists of a
series of separate publications comprising monographs of large zoo-
logical groups and other general systematic treatises (occasionally
in several volumes), faunal works, reports of expeditions, catalogues
of type-specimens, special collections, and other material of similar
nature. The majority of the volumes are octavo in size, but a
quarto size has been adopted in a few instances in which large
plates were regarded as indispensable. In the Bulletin series appear
volumes under the heading Contributions from the United States
National Herbarium, in octavo form, published by the National
Museum since 1902, which contain papers relating to the botanical
collections of the Museum.

The present work forms No. 145 of the Bulletin series.

ALEXANDER WETMORE,
Assistant Secretary, Smithsonian Institution.
Wasuineron, D. C., Vovember 14, 1928.
a

CONTENTS

Page

MIRO CHON ENS eae ee ee ee ee ee aa o eee wees 1
Palne Wicd MIMentGe 22 aa ee Shoe en oe eee ec oe nee eee 1

Re iraniaG nee Sacer a Se et = ech ee ee ee en eo ie ee 2

Deseripion OF Lhe PeOnlUs. Uc. at aoe CE ees Se oan taal 3

PREP RSSIOM-OL PAlte= a= — os. Sen oe eee aes a ee heaton eee Se 4

Weseription Ol SheGiess. - cose fae soe anes onan en ees toe ene ao 18

PE TINIA ReGen Seg ee ea mn ee oe ater ine wl os 18

NE VAG CUBIS es eee Semen ee Sen ee tom eee nn wee 20

SUD UTODICUSS2 = fee een nee eee eae sees eee ane eS 22

ALEC AMAIS eeepc eec oe el ome ee eee ee IS ie oo Ie ee a eae 25

Cnmtid Ginnie eo ot ose ee aaa Sane eae see aoe ee 27

TRULATC Ol sat ees ree ee eee em he en rere ae ee ear a reer en 29

TG STE MS Pea ae ple ts Ve a, a sap 34

GUS GEIS Us eet ae meer te ee a eee eee Oe ae 37

Gith ellis erase Mena een me he ee Ete Eerie ee 2S 39

EU TO TLC OLE Sarge ea as eee eae Nal Se cL ey era ne eect aL 42

CUCINA NSU E AIS ete So nner cereal peri ee cies eS 44

ARCS CUO VATS tere aes etree le rae ee a tay ea a ca rere es 46

OV LTS CEN Cl Meg Nees esse at oe Seen aur getmect eee een SO ane OT ee es 48

SUIS Ul GLa gestae ea eee aes, eS a poh ee AROSE Selene ne east rad 50

ATE CLC Ul cs ep era eter ase cy a na a Da ly wa Om Sar 53

XV STES CUBE LIN Ul soe a enter Sy eater sates an Eat 56

UOC OMIUIS see eee oe me as NI BR re eee eee ee Re per 59

U5) DNs AUN SS MN Tr Us epee ea ge tL pe re Serer oe ot Aen 61

DTS UE EU Us 1 Sey eg es ora ees rte Rae Ota ge Rage A me ees el 63

ALCUAUSISUMOSPEClEs still CCNBert ae mee oo ae ee be 68

Arcuauus Subspecies bOnGuUatUSS = ee ee ee eee 69

ALCUALUSESUIOS PECIESK COD yaya tet mre a yere ane rey cre ME pena eer 71

RUMICEDES 08 ees ae Se cen nee eyed Ree a MN See iene eee rs 72

ECCMID peed ey mt ere eee eee Sr fare arse eee 75
era eee eae ante ee fs as es ee Rene Nate Wert C

GTS ar er ee at he ery mL RN My pees ce Sh oe ks Be EN CE ee RN 81

LOU C ORT ee eee ey ee ee tac a cH ait Stes Rel MeN DME eyes eae 86

TRAN SUMO TESS US een ae rey ere cata See ee Me ae ee yaoi 88

Tai CSU Tee aes ci eed ete) ea On UES nt aa eae Cen SS ELIR) OR conte een 90

TULA VENA BASIS eS oS See Se 0 Ok ih OS ip A ara pee rad Sy 93

UTE ECS [OSE oe te reenter wren anc eh Ne Te Dag a ee a I Re 96

TAC Typ geen UN tle es Shae hed iz cGy CAL OR Se MON IAS Chek TO eg ME 98

OU GHETIU Sere eee tene year aye te a cmH he Sel Tents yeas see 101

VAG DAU COMIS heey ss aemee cinerea SAT pone eny eee, eee Se uk 104

Pragya TTA Tat eR 2 EY Me pe ne eth adenine erie vista ah Nie de elec ear (ae ans arec 107

UN pate Fy Li er Sees ean ds ele Beep ep Tyce enone Oy Yel a cee 109

RITLORLC OUT Geekery sani sae eel URE ee easene pip ee nie mess Saeed 111

{ viTM a eYSir At UST ip lpegeer tle eis CURIE RU RL tae es Gc Me a apa a Suey aac 113

Til

DY) CONTENTS

Description of species—Continued. Page
Agrilus bilineatus subspecies carpini---------------------------- 119
Guernica as2 28 2) ese ts 2 OU oe ee ee 120
Cniddlel 3 a 538 ee eae fe eee ete oe 2 ae ee eS See 122
OnvaceDMger = 425 a eet eae ee 124
BcUtipenniss..— 4 Gt) FA ee Pek Ce I eee eae 127
Said © GUANA 2a ae ae ee 2 te ee ee, oe ee a 130
Gusdriimpresstis 24 thc reer eet Ss Su ee eee 133
FTRO GUILE NU US = eee es SOME eee res Seo ied Sh ee Se 135
AMUN ATIS 3 f= Se ee ee Sg ee cee te 138
CHIRGBIDTIGEA USS 2 Se eee en eer le ene ee eee 141
TENT @ UVTI ee eae ee ee en ee ee ty 145
Pibienurtea se. © SAUNA) PORE a 8 a ee ee eee rate 0 ey
UCR PY UU oc age te ae ns ee ee a nd ee 150
ENG TUT Shee ence Oe Palas gp ag MR nel gl ee dh a Ge a eee pe 153
PRCTASTIS 2s = i eS fy a gl eee 155
ROT UND a ke an ee SR We aed oa ner ee 158
RURIIS Sey ee = ee ee Oe ae eke oe eee eee See 160
CEL VieU BUS ie nr 8 Ser NN ai ety EE ae ego ee er 166
EVID eAD fp gee eee ey eel a A a Ea Se RR Eo aD scan 168
CONCINMUS eee rs ee oe ae lee ee eg 171
POS UNEG CIS 2c ose oe es a es oc ee 173
WAIST ONAN ore ose ce han eee ee ae a ee 176
ATEN ORDERS ny Pea eee 178
STU WUE ee 2 ae aI ose Tt Ir OC re 180
COStIPENDISSe 2 Ses See eee Ya ap Spee Pe pe Ee 182
DAD OCU ATING 7) For Rea a eee eh See ae A ee are en 184
WUC TUC AG ers ase ta eas Sa ee alee ae ee eee ae ea 186
SU CIMT otek Se re ee cn eae ee oy et ny a RO ene Sa 188
OWOMIMUS tt ee ee SR ERS 2S is te ie ee ee ee 190
Rea Sysmok ils tS aie ab Ee es ee ats a, ae td cere 193
SOLGULUS Meereeee tan SMe ey Sine ees Gy Re ee een ee eee 196
ObsoletO gut tats eee ee ee 2 ee ee ee 199
LONG U CLUS 22sec e reer hee ke BO ees Stata 2) Cn ape ey eee 202
URSCUEUNIS 7 ee chee Sey cet: YEA ae ete igus ee ee, Ce eee ee 205
LAUT Gey tes Nhe DF A) PAL A per loa al RR, cee 207
SPOUT USS oy eae: aceon a RI a en tee ee eh ee 209
POMUTIIS 22 See 2 Sok Meth a eis oe testo Toe ee a ae 213
DOLMbus' Pseudoconylias ae soe ee ee Seo ee ere 218
Doltusisubspecies burkei === ee eS a a 219
SINUS USE cw eke ys fy een nan oe A ee ey, a Rs Cae See eee 220
COBTUICUS Ee oe. ee ee eas 2 ee La eh a Rene Re eee 224
CLC URE oe eee oy ee 7) ee te ade Pe mere eR yes Beg NS ye 226
COPA CUS = Sk 9 aia nee ee te a Ee Ue ae bey Sa I cee he ae 229
BUTIO ICO igen a eS = Seem SLE a en te yen aR cette Pee 232
BPE PSEAN EYES errs te oats ny Ne ce eae Ms em ea ee 234
PAIPITOMS See a ene een ee ern an ld eee 237
O\GTIUAT Biya hee eS he at Ne ee ee Os ha oe ae 239
TTUUTTNOS SO se ae yee Ne, et Saag tele eee ee ee a 241
CNINIGRMU ROSS ieee SS se cease ee 2 fA ee oh, es ae ape ae Oe By ee Re 243
Beneocephalug sone se 8 a ee ep eer ree eA 245
TAL VAR UTES mt soi at Se Dae ee Seen ee a eee nea ae 247

DEA IAL he SES ne ge a VS, apy ep Oe ee eee EL ee 249

CONTENTS

Description of species—Continued.
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A REVISION OF THE NORTH AMERICAN SPECIES OF
BUPRESTID BEETLES BELONGING TO THE GENUS
AGRILUS

By W. S. FisHer

Of the Bureau of Entomology, United States Department of Agriculture

INTRODUCTION

The present paper is the result of several years’ study of the
genus Agrilus, and comprises all of the species found in the main-
land of America north of Mexico. The task of revising the genus was
undertaken because the group is an important one economically, and
at the same time has been badly confused. Owing to the extreme
variability of the species, erroneous identifications have been many,
and the published distribution and host records are in a considerable
part incorrect. Fortunately, the collection of the United States Na-
tional Museum, upon which this work is largely based, is rich in
reared series of many of the species. This has helped immeasurably
in the selection of characters which will be useful for the separation
of the species. The types have been examined of all the described
species except those which have been lost or are deposited in
European collections.

One hundred and seventeen species and 8 subspecies or varieties
are treated in this paper, of which 27 species and 2 subspecies are
described as new. One fossil species and 5 other species which are
either unknown or belong to other genera are omitted from the key,
but these species are briefly treated at the end of the paper.

ACKNOWLEDGMENTS

The writer wishes to express his acknowledgments to those who in
some special way have given aid in the preparation of this paper.
The writer is especially indebted to H. C. Fall, Tyngsboro, Mass. ;
E. T. Cresson, jr., of the Philadelphia Academy of Natural Science;
Nathan Banks, of the Museum of Comparative Zodlogy; and George
P. Engelhardt and Charles Schaeffer, of the Brooklyn Institute of
Arts and Sciences, for permission to examine types in their custody.
For the loan of types or other material the writer is indebted to the

2 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

following entomologists: E. P. Felt, of the New York State Museum ;
W. E. Britton, of the Connecticut Agricultural Experiment Station;
H. B. Hungerford, of the University of Kansas; T. H. Frison, of
the University of Illinois; W. J. Chamberlin, of the Oregon Agri-
cultural College; Edwin C. Van Dyke, of the University of Califor-
nia; J. J. Davis, of Purdue University; Jan Obenberger, of the
National Museum of Prague (Czechoslovakia) ; Andrew J. Mutchler,
of the American Museum of Natural History; H. E. Burke, Stan-
ford University, Calif.; A. Fenyes, Pasadena, Calif.; H. F.
Wickham, Iowa City, Iowa; W. Knaus, McPherson, Kans.; J. N.
Knull, Harrisburg, Pa.; C. A. Frost, Framingham, Mass.; Alan S.
Nicolay, Upper Montclair, N. J.; G. A. Hardy, Victoria, British
Columbia; F. S. Carr, Medicine Hat, Alberta; Ralph Hopping,
Vernon, British Columbia; Henry Dietrich, Appleton, N. Y.; R. W.
Harned, Agricultural College, Mississippi; and J. O. Pepper, Clem-
son College, S. C.

All of the drawings were made by Miss Eleanor T. Armstrong,
of the Bureau of Entomclogy, and it is my desire to here express
my appreciation of Miss Armstrong’s conscientious and careful
work.

CLASSIFICATION

Family BUPRESTIDAE
Tribe AGRILINI

Genus AGRILUS Curtis

Agrilus Curtis, British Entomology, vol. 2, 1825, No. 67 (Genotype Bu-
prestis viridis Linnaeus, designated by Curtis) —Escuscuotrz, Zool.
Atlas, vol. 1, 1829, p. 9 (reprint p. 8).—StTrepHens, Illustr. British Bnt.,
vol. 3, 1830, pp. 239-241, pl. 19, fig. 2—Sorrer, Ann. Ent. Soc. France,
ser. 1, vol. 2, 1833, pp. 300-303, pl. 2, fig. 25—CasTeLnau and Gory,
Mon. Bupr., vol. 2, 1837, Agrilus, pp. 1-70, pls. 1-15.—Gory, Mon.
Bupr. Suppl., vol. 4, 1841, pp. 207-269, pls. 34-45.MEtsHeErmeEr, Cat.
Dese. Coleopt. United States, 1853, p. 65.—Lacorpamrg, Gen. Col., vol.
4, 1857, pp. 838-85.—LeContE, Trans. Amer. Philos. Soc., new ser., vol.
11, 1859, pp. 242-250; Smiths. Misc. Coll., No. 140 (List Coleopt. North
America), 1863, p. 43—GrMMINGER and Harop, Cat. Coleoptera, vol.
5, 1869, pp. 1435-1447—Saunpers, Cat. Buprestidarum, 1871, pp. 112-
126.—CrotcH, Proc. Acad. Nat. Sci. Phila., vol. 25, 1873, pp. 90-96;
Check List Col. Amer. North of Mexico, 1873, pp. 65-66.—AUSTIN,
Suppl. to Check List Col. Amer. North of Mexico, 1880, p. 27.—HeEn-
SHAW, List Col. Amer. North of Mexico, 1885, p. 75.—Horn, Trans.
Amer. Ent. Soe., vol. 18, 1891, pp. 277-836, pl. 8.—KERREMANS, Mem.
Soc. Ent. Belg., No. 1, 1892, pp. 243-278.—HENsHAW, List Col. Amer.
North of Mexico, Suppl. 3, 1895, p. 20.—KERREMANS, Wytsman’s Gen.
Insectorum, fase. 12, pt. 4, 1908, pp. 266-292—Lxne, Cat. Coleopt.,
1920, pp. 183-184.—CHamperLin, Cat, Buprestidae, 1926, pp. 46-86.—
Lene and Mutcuter, Cat. Coleopt. Suppl., 1927, p: 30:

NORTH AMERICAN BUPRESTID BEETLES 3

Teres Harris, New Engiand Farmer, vol. 8, ser. 1, 1829, No. 1, pp. 2-3.

Hngyaulus WATERHOUSE, Biol. Centr.-Amer., Coleopt., vol. 3, pt. 1, 1889,
pp. 50-51, pl. 4, fig. 9 (includes—i. Agrilus pulchellus Bland: 2. Engy-
aulus rubrovittatus Waterhouse).—LENG, Cat. Coleopt., 1920, p. 183.—
CHAMBERLIN, Cat. Buprestidae, 1926, pp. 200-201 (designates Agrilus
pulchellus Bland as the genotype).

The biliography given above is not complete for the genus, as
oniy the more imporiant articles are cited, and especially those that
refer to the American species. The name Agrilus was first estab-
lished by Megerle and has been credited to him by many of the early
entomologists, including Dejean, but he is not recognized by the later
writers. Megerle published three papers between the years 1801
and 1812, and it is just possible that he used Agrilus in one of these
publications in such a manner as to validate the name, but since none
of these publications are available to the writer this reference could
not be verified. Z'eres was erected as a subgenus of Buprestis by
Harris (1829), and included (1) Buprestis granulata Say; (2) B.
rujicollis Fabricius; (3) B. innuba Fabricius, ete., but Agrilus Curtis
(1825) has priority by a few years.

In the above papers by Melsheimer (1853), Lacordaire (1857),
LeConte (1863), Gemminger and Harold (1869), Saunders (1871),
Crotch (1873), Austin (1880), Henshaw (1885, 1895), Kerremans
(1892, 1903), Leng (1920), and Leng and Mutchler (1927), many
American species of Agrilus are listed, but since these publications
are only catalogues the citations are omitted from the bibliography
under the species.

DESCRIPTION OF THE GENUS

Head vertical and grooved, flat, tuberculate, or simply convex
in front; epistoma emarginate in front and narrowed by the antennal
cavities; cheeks unarmed or with an obtuse tooth on each side;
antennal cavities rather large, oblique, prolonged into a groove in
front, and situated at some distance from the eyes. Antennae vari-
able in length, serrate from the fourth or fifth joints, and not
inserted in a groove in the prosternum while in repose; first joint
elongate and robust; second, third, and sometimes the fourth, short
and feebly clavate, and the following joints more or less triangular,
serrate on the inner side, and with a terminal poriferous fovea.
Eyes large and oblong. Pronotum usually wider than long, rather
convex, and broadly sinuate in front; sides more or less arcuately
rounded, and with two distinct margins; base sinuate, with a broad,
median lobe, which is truncate, rounded, or emarginate in front of
scutellum; surface with or without depressions, and usually with a
distinct carina near posterior angles. Scutellum broad, acute poste-
riorly, and sometimes transversely carinate. Elytra elongate, sinu-

4 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

ate at base, with or without longitudinal costae, and the apex vari-
able, sometimes expanded, broadly rounded, acute, or strongly den-
tate. Sternal cavity formed almost entirely by the metasternum.
Mesosternum divided, the lateral branches very short. Prosternum
broad, and more or less lobed in front. Middle coxae not more
widely separated than the anterior ones; posterior coxae short,
slightly dilated internally, narrowest at middle, and strongly dilated
anteriorly at the lateral margin. Legs slender; femora fusiform, not
dentate on inner margin, and frequently more strongly swollen in
the males; tibiae slender and subcylindrical, the anterior ones some-
times ciliate; tarsi long and slender, and the joints armed with dis-
tinct lamellae, the first joint of posterior pair as long or longer than
the following two joints unites; tarsal claws cleft or dentate. Body
elongate, feebly convex, broadly rounded in front, and attenuate
posteriorly.
DISCUSSION OF PARTS

Head.—tThe front may be flat, moderately convex, or very convex.
In the latter case the mouth seems more retracted and inferior. In
nearly all of the species the head has a median depressed line begin-
ning at the occiput, but the line varies both in length and depth,
forming in some species a deep frontal depression, and in other
species the front is broadly concave. The epistoma is variable in
form, sometimes being very narrow between the antennal cavities,
und at other times distinctly transverse. Sexually the head varies
in color, sculpture, and in the density of the pubescence. The form
of the lateral margins of the front or of the eyes is of taxonomic
importance; some species have the front with the sides parallel to
each other, whereas in other species these margins are sinuate. It
is, however, difficult to make use of this character in the key for
separating species, because the front of the head is sexually variable
in some of the species, the males having the front rather narrow,
with the sides sinuate, whereas in the females the front is distinctly
wider, with the sides nearly parallel to each other.

Antennae—In some species the antennae are long and slender,
with the joints longer than wide; in others they are short and com-
paratively stout, with the joints as wide, or even wider than long.
The most important character is in the form of their serration, and
the species can be separated into two series, one in which the serra-
tion begins at the fourth joint, and the other with the serration
beginning at the fifth joint. There may be at times individual
specimens which might be difficult to determine to which series it
should be referred, but when the fourth joint resembles the fifth
joint more nearly than it does the third, the specimen should be

NORTH AMERICAN BUPRESTID BEETLES 5

referred to the first series, but when the third and fourth joints are
similarly cylindrical, then it belongs to the second series.

Pronotum.—The sides of the pronotum when seen from above are
quite variable in shape, and in many of the species can not be used
in separating allied species. The lateral margin is acute and forms
the marginal carina, which, when viewed from the side, is straight
or sinuate. Under this carina there is another more or less arcuate
one, called the submarginal carina, which joins the marginal carina
at or in front of the posterior angles, but rarely the two carinae are
separated for their entire length. On each side near the posterior
angle is a prehumeral carina (called the lateral carina by some
writers) and this carina is more or less strongly developed, arcuate
or straight, sometimes long and approaching the marginal carina
near the middle; frequently the carina is replaced by an obtuse
swelling, and in a number of species it is entirely absent. The disk
is convex, or more or less uneven, and sometimes very deeply
depressed.

Scutellum.—tIn many of our species the scutellum is distinctly
transversely carinate, the carina entirely absent in others, and in a
few cases it is strongly interrupted at the middle.

EHlytra—tIn the greater number of our species the sides of the
elytra are slightly sinuate behind the humeri, and then more or less
expanded behind the middle, but in a few species they are narrowed
from the humeri to apex, without scarcely any sinuations. In most
cases the sides of the abdomen are more or less visible from above,
especially in the females. The surface is usually more or less flat-
tened above, sometimes with the sutural margins elevated posteriorly,
and the space along the suture depressed. In a number of the species
each elytron has a vague longitudinal costa, which is very distinct in
a few of the species of the tropical type found in the southwestern
part of the country. The surface sculpture is nearly the same in all
our species, only varying in coarseness, and is described as imbricate-
punctate (resembling the scales on a fish or shingles on a roof).
The surface is usually more or less pubescent, when seemingly glab-
rous, it is in reality covered with a very fine, nearly invisible blackish
pilosity, and in many of the species the elytra are ornamented with
pubescent spots, longitudinal vittae, or irregular designs, but fre-
quently some of these markings are more or less denuded, and care
must be exercised in making use of them. The apices of the elytra
are usually rounded in our species, but in a few species they are
acuminate, prolonged, or bidentate.

Prosternwm.—The prosternum is anteriorly margined by a more
or less developed prosternal lobe, which is rounded, or more or less
deeply emarginate in front, and sometimes almost concealing the
mouth. In many of the species this emargination is quite variable in

6 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

depth, and care must be taken in making use of this character. The
prosternal process has the sides parallel, or expanded behind the
coxal cavities, and the apex is subject to great modifications. In
many of the species the tip enters the metasternum by a triangular
notch, while in others the tip is abruptly bent upward and is con-
cealed in the metasternum. When the tip is closely applied to the
metasternum, the part of the tip not concealed is triangular, rounded,
truncate or dilated. For convenience the visible free portion has been
assumed to be the tip, and is so spoken of in the descriptions. Sexual
dimorphism is here also well marked; in some species the prosternal
process in the male is covered with fine, long, erect pubescence, where-
as in the female the surface is nearly glabrous.

Abdomen.—The abdomen is more or less convex, and along the
sides is a distinct ridge, which is sometimes interrupted on the first
and second segments. Although this ridge is variable within cer-
tain limits, it is not sufficiently so to use in the grouping of species.
This ridge divides the ventral segments from the vertical portions
of the segments which are sometimes more densely clothed with
pubescence than the ventral parts, and are frequently more or less
depressed and ornamented with pubescent spots. The suture be-
tween the first and second segments is usually entirely obliterated,
but rarely it is more or less indicated at the sides. The last seginent
is either usually rounded or rarely truncate at the apex in our
species. The males of some species have a longitudinal vitta of
long, white hairs on the first and second segments, and the surface
is longitudinally depressed.

Pygidium.—tIn nearly all of the species the surface is provided
with a median smooth or elevated line, in many species forming a
distinct ridge, and in some of the species the ridge projecting pos-
teriorly, and forming a spine which is truncate or emarginate at
the apex. The absence or presence of this projecting carina is one
of the most constant characters, and only varying in length. In
pulchellus the pygidium is acutely produced at the apex, with the
carina strongly elevated but not projecting beyond the apex.

Legs.—The length of the posterior tarsi in comparison with the
tibiae is somewhat variable, but it is usually longer in the males
than in the females. In a large number of the species sexual dif-
ferences have been observed in the tibiae, consisting of a short tooth
or mucro on the inner margin at the apical angle of the anterior and
middle tibiae, sometimes on all of the tibiae of the males of some
species, but the tibiae of the females are usually not armed with a
distinct tooth at apex. A useful character is found in the form of
the tarsal claws; these are either simply cleft, or cleft in such a man-
ner that the inner portions are turned inward, and the apices nearly

NORTH AMERICAN BUPRESTID BEETLES iz

touching each other. Some of the species have the inner portions of
the claws only feebly turned inward, and these are placed in the key
with those species having the claws simply cleft. In making use of
this character in the key, the claws on the anterior feet should be
used, as the claws sometimes not only differ in the two sexes, but
also in the three pairs of feet, especially in the males.

Genitalia—The male genitalia are strongly chitinous, and consist
of the lateral and median lobes. They differ from the genitalia in
the family Elateridae by having the basal piece and lateral lobes con-
solidated, and by the coadaptation between the lateral and median
lobes to allow the median lobe to be extended beyond the tips o: the
lateral lobes. The genitalia show considerable differences in shape
and sculpture, sometimes in the most closely allied species, but show
scarcely any variation in the species. It it a very useful character
for separating the species, and especially in checking up individual
specimens that are more or less abnormal.

The genus Agrilus as a whole, is a newer, more plastic group
ot the Buprestidae, with structural characters unsettled, and many
species in a process of evolution. The species of this genus have
probably developed at a more recent date, for so far as known, none
of them live in conifers, which are of earlier origin than the de-
ciduous trees. Biologically our species can be placed into three
groups as follows.

First—Many of our species are well established and scarcely any
variations can be found in their structural characters. These species
can be easily distinguished, the genitalia of the male are quite dif-
ferent, therefore, not permitting their interbreeding, the species as
a rule confine their habits to a single genus or closely allied genera
of host plants, and scarcely any intermediate forms are found.

Second.—In some species such as egenus, otiosus, etc., the females
are not distinguishable on structural characters, although the males
as a rule are easily separated on secondary, external sexual char-
acters, the male genitalia show considerable differences similar to
those in the first group, and the species usually confine their habits
to a single host plant.

Third—This group is composed of species such as politus, arcuatus,
etc., which are at present in a high state of evolution, and must be
considered as composed of a number of phytophagic species. These
phytophagic species can not be separated on any structural char-
acters, and the genitalia of the males are almost identical, which
will permit interbreeding between the different forms, but the species
have become capable of living only in one genus or species of plants,
which consequently they select. In this group a number of inter-
mediate forms can be expected, as some adults may accidentally
select a new host plant and continue to breed in that plant.

BULLETIN 145, UNITED STATES NATIONAL MUSEUM

The names used for the trees in the present work are according to

Sudworth.?
KEY TO THD SPECIES OF AGRILUS
SRS vot Oe ly tra. DUO ONC a ee ee ee ae 2.
Tips of the elytra not prolonged__________________-____-__-____________ 5.
DO PORV ENA WC Ul DE SCONE 00 RTT ee ee er oe
Elytra without pubescent markings________________-_-___ (1) ferrisi Dury.
8. Scutellum transversely carinate; pubescence on elytra forming designs;

10.

12.

13.

14.

elytral tips arcuately emarginate on inside and forming an acute tooth

TORT VOUT TAT SUNN a a re a ee eee 4,
Scutellum not carinate; pubescence on elytra not forming designs; elytral
tips produced into an acute tooth at middle_________ (2) nevadensis Horn.

. Posterior and anterior median depressions on pronotum equal in width;
pubescence on elytra yellowish white_-_------~- (8) subtropicus Schaeffer,
Posterior median depression on pronotum distinctly wider than anterior
depression ; pubescence on elytra brownish yellow_-_---- (4) lucanus Fall.
peAntennae Serrate, beginning) at fourth’ joint== =.= ee eee 6.
Antennae serrate, beginning at, niin job == ae ee 84.

. Tarsal claws cleft in such a manner that the inner portion is turned inward,

nearly or quite touching that of the opposite side____________________ ue
Tarsal claws simply cleft, the inner portion not, or only feebly turned

imward, and-the tips distant.2o2" 2.222 52 a eee ee eee 30.

Sep SUC TEINS WEEN AS EDEO J COUT LY CEUTA a ee ec 8.

Byeidium:-withouts a: projeceine 1a Tina eats oe eee ee ee 10.

body above*unilormily black = see ee ee (5) champlaini Frost.

Body above bicolored; head and pronotum aeneous or cupreous; elytra
blacksoripiceo us 10% law Digs ei ee eli eta Pa eS t RS 9.

. Front of head deeply depressed; elytra black, and without distinct pubes-

cence: body, beneath black 222-2 = Ses ees (6) ruficollis (Fabricius).
Front of head feebly depressed; elytra piceous, and uniformly clothed with
very short hairs; body beneath aeneous or cupreous__(7) lateralis (Say).

Lateral margins of first two abdominal segments nearly or entirely ob-
Hiberaten2.. hs Be No ete, i lr ate Dee onl eee ete
Lateral margins of first two abdominal segments distinct____________ le
Pronotum deeply depressed on disk and along lateral margins; scutellum not
ERANSVCLSCLy “CANIN ACC. ser ee ad sit eee A Sn Oe (8) obtusus Horn.
Pronotum not deeply depressed on disk nor along lateral margins; scutellum
CEABSVerselyfcarinate sc ts OS A ees ee (9) difficilis Gory.
Head (concave or deeply: depressed-2 4 tee a tet ad ie 18.
Bead. not concave, nor deeply. depressed... 5 ba wt 15.
Front of head concave or very deeply depressed, the concavity extending to
the lateral margins and epistoma; large species, 12 millimeters______ 14.

Front of head with a narrow depression on the vertex and occiput, but the
depression not extending to the lateral margins; small species, 5-6
WRRURLUTNE ROUS 5 a a Sc ves Syerties, dS pe HP ee (10) cupricollis Gory

Sides of pronotum densely clothed with orange yellow pubescence, and the
median depression not interrupted at the middle.

(11) cupreomaculatus Dugés *

Sides of pronotum not densely pubescent, and the median depression inter-
Eupted at ithe ;middlesza<-223i boats ee ees (12) fuscipennis Gory.

* Check List of the Forest Trees of the United States, Their Names and Ranges (U. 8S.

Dept. Agric., Miscellaneous Cire. 92, 1927, pp. 1-295).

15.

16.

17.

18.

19.

20.

23.

24.

25.

21.

28.

NORTH AMERICAN BUPRESTID BEETLES 9

Vertical portions of abdominal segments, and abdomen beneath with distinct
DUbEescent>Spotes ew As Ses aE SO ae 3 ee (9) difficilis Gory.
Vertical portions of abdominal segments without distinct pubescence spots,
but sometimes uniformly clothed with pubescence over entire surface;

abdomen beneath without distinct pubescent spots_____-_____-__-_-_-__ 16.
Claws on anterior tarsi with the inner teeth distinctly separated at the
Le DSS oe ene nace este OO A 0 ee Sn ee es ie
Claws on anterior tarsi with the inner teeth contiguous or nearly contiguous
Ate hher tips see ae ee ee RE Ee ee ae en eee 19:
Body above distinctly, sparsely, uniformly pubescent; elytra with distinct
COST Cae e ank Sp cS SD SAE Rs 3d EERE IEEE IE ED IE (18) townsendi Fall.
Body above not distinctly pubescent; elytra without distinct costae____ 18.

Male with the claws on anterior tarsi feebly cleft, the inner tooth distinctly
broader than outer one, and broad toward apex. Host plants: Madrone
OTP TIVEDENZ TN tren eet a ta ee rE Pe ee ke (14) arbuti Fisher.

Male with the claws on anterior tarsi deeply cleft, the inner tooth not dis-
tinctly broader than outer one, and acute at apex. Host plant: Oak.

(15) angelicus Horn.

Male with anterior and middle tibiae armed with a distinct tooth on inner
VENT YA ea bs eee 2s PA 2 Em PS a SS EIN 20.

Male with all tibae armed with a distinct tooth on inner margin at apex_ 23.

Posterior tarsi of male shorter than tibiae, the first joint as long as the

TOMO WINE EVES: FOUNES VUTEC aes ae ee eee ae ee 28 Ze
Posterior tarsi of male as long, or longer than tibiae, the first joint as long
as the following four joints united________________ (16) masculinus Horn.

. Elytra sparsely, uniformly clothed with distinct whitish pubescence.

(17) albocomus Fisher.
Hlytra: without distinct pubescence. 22 6 See eew se Seo es ee 2D.

. Hlytra with vague pubescent vittae.

(18) paramasculinus Champlain and Knull.

Elytra without pubescent vittae________ (19) arcuatus (Say) and subspecies.
Male with antennae longer than pronotum, slender, and ciliate beneath with
LOTS eET eens enue: = Pee ae PERE 2 As oie ea (20) erinicornis Horn.

Male with antennae not longer than pronotum, and not ciliate beneath__ 24.
Male with the last ventral abdominal segment truncate and fimbriate at

EL ea Reale PS se el a ER OE PL CRW OA SN Ep (21) defectus LeConte.
Male with the last ventral abdominal segment not fimbriate at apex____ 25.
Male with the prosternum conspicuously pubescent____________________ 26.
Male with the prosternum not conspicuously pubescent________________ 28.

. Male genitalia with the sides arcuately expanded____________________ 27.
Male genitalia with the sides parallel_______________ (22) geminatus (Say).

Male with front of head densely clothed with long, white hairs behind
epistoma, and nearly concealing the surface; sides of male genitalia not
transparent at apex. Host plant: Hickory_____________ (23) otiosus Say.

Male with front of head sparsely clothed with white hairs behind epistoma;
sides of male genitalia broadly transparent toward the apex. Host plant:
PLODAD EY Mn a Ze leeernee serrte eke eA! TRY BAS (24) atricornis Fisher.

Male with the second abdominal segment transversely concave, and causing
the body to be bent downward. Host plant: Black walnut.

(25) transimpressus Fall.

Male with the second abdominal segment not transversely concave______ 29.

29.

30.

34.

40.

ba
tN

BULLETIN 145, UNITED STATES NATIONAL MUSEUM

Male with the first and second abdominal segments feebly, longitudinally
flattened at middle; sides of male genitalia strongly, arcuately expanded
near apex. Host plant: Oak_------------~----------- (26) frosti Knull.

Male with the first and second abdominal segments not flattened at middle;
sides of male genitalia strongly, arcuately expanded near middle, and

parallel toward apex. Host plant: Butternut______ (27) juglandis Knull.
(?) (28) puncticeps LeConte.

Pygidium with a projecting carina_-__-------~------------------------- ole
Pygidium without a projecting carina_____----------------~----------- DT.

. Elytra with a distinct longitudinal costa on each elytron_-_-----______- 32.

Elytra without, or with only a vague longitudinal costa on each elytron__ 33.

. Scutellum transversely carinate; tips of elytra narrowly rounded.

(29) macer LeConte.

Scutellum not transversely carinate; tips of elytra acute.
(2) nevadensis Horn.

. Elytra bicolored, bronzy or reddish cupreous, with a greenish or purplish

sutural vitta common to both elytra__________----- (30) pulchellus Bland.

Blytra unicolored —...-_-._----_----_------_--—------------=----___-= 34.
Pronotum with the sides and median part densely pubescent_____-____ 35.
Pronotum without a densely pubescent median vitta, but sometimes the

sides are pubescent, especially anteriorly___________-_______-------- 37.

. Propleurae, mesopleurae, metapleurae, and coaxe Gensely pubescent ; sides

of prosternal process not bent downward near apex_—_------------- 36.
Propleurae, mesopteurae, metapleurae, and coxae not densely pubescent ;
sides of prosternal process usually bent downward and forming a tooth
TOD OKs Me he ue Pe Se. So ee ee (31) vittaticollis (Randall).

. Head deeply depressed in front, and the lower half densely pubescent; male

with only an obsolete depression on second abdominal segment.
(32) benjamini Fisher.
Head moderately depressed in front, and rather densely pubescent over
entire surface; male with a deep, smooth, elongate depression on second
abdomindl segment =. 82S. 2 ee ee ee Ee (33) audax Horn.

. Pronotum without, or with only feebly indicated prehumeral carinae 38.

Pronotum with distinct prehumeral carinae_____---___--------_----___ AT.

eLilvina with pubescent) Spots on Vitlaes we ee a ee 39.

ivira swithout pubescent. Spots or vittaels! =) sss SSeS ess See 4],

eblytrawiilapubescenth SpoOts== == == 4 ee See (84) pilosicollis Fisher.

Elytra with pubescent vittae (sometimes only indicated in basal depres-
SSVOUUS)) ie wc es Br LT a ee or oh 40.
Elytra black, with a more or less distinct whitish or yellowish pubescent
wittaeom.each/ ely trones 2222s aia Le ae (85) bilineatus (Weber).
Elytra blue, or bluish black, with only indications of the pubescent vittae
in the basal depressions_—____~- (35a) bilineatus subspecies carpini Knulil.

. Species distinctly bicolored; head and pronotum green, with a cupreous or

aureous tinge; elytra black, with a feeble greenish or violaceous reflection.
(86) quercicola Fisher.

Species unicolored, dark blue, black, or olivaceous, frequently with a
greenish or bluish tinge. (Somtimes the head and pronotum is vaguely
ETL Ve SA CTL OUTS) pe ee nah a NS SE ge OI a 42,

. Vertical portions of the abdominal segments densely pubescent, except

Sometimes, the /Ssecon@d= = =2 2. = 2 2 Ae Bt a ee a ee ee 43.
Vertical portions of the abdominal segments not conspicuously pubescent ;
male with the tarsal claws similar on all feet________ (387) criddlei Frost.

43.

45.

46.

47.

48.

49.

50.

51.

52.

53.

54.

5d.

NORTH AMERICAN BUPRESTID BEETLES tt

Elytra with distinct, uniformly distributed, short, white pubescence.
(38) olivaceoniger Fisher.
Blytra without distinct pubescence, except sometimes for a few white hairs
AON NERA MALIN S ened rapeK as a es a a eee 44,

. Vertical portions of second abdominal segment glabrous____-_-__--_-_~_ 45.

Vertical portions of second abdominal segment more or less pubescent__ 46.
Above dark blue to biuish black; tips of elytra rather broadly rounded,
TEC UVC Ue eee eee nea ee rk Neb ah el (39) acutipennis Mannerheim.
Above aeneous to olivaceous black; tips of elytra more acutely rounded ;
pronotum move deeply depressed at middle anteriorly.
(40) auricomus Frost.
Elytra with the tips usually broadly rounded; pubescence on abdomen and
vertical portions of abdominal segments white or yellowish white.
(41) quadriimpressus Ziegler.
Elytra with the tips more acutely rounded; pubescence on abdomen and
vertical portions of abdominal segments usually golden yellow.
’ (40)auricomus Frost.
Vertical portions of abdominal segments (except sometimes the second)

CONSPICUOUS] YADUbDeESCeMG ios. = 2 i ee i ee gine 2 48.
Vertical portions of all abdominal segments uniformly, but not conspicuously
TOUS CC ype es sy Ss ke) A es ee ee Sl el 50.
Prosternal lobe broadly subtruncate in front; elytra black, with six very dis-
tinet golden yellow pubescent spots____-_-~~- (42) auroguttatus Schaeffer.

Prosternal lobe emarginate in front; elytra brownish black, with a more
or less distinct aeneous or cupreous tinge, and with six feebly indicated
pubescent spots, some of which are frequently obsolete___-__-__-----~- 49.

Front of head densely pubescent, the pubescence nearly obscuring the sur-
face; elytra with the tips rather broadly rounded__(48) granulatus (Say).

Front of head not densely pubescent, the surface distinctly visible; elytra
with the tips acute, or narrowly rounded_______ (44) quadriguttatus Gory.

Elytra with pubescent spots, usually only feebly indicated_-__--_-_~- 51.

Hilviraswathoutspubescent spotse. 2220 2 et ee ee eee 54.

Scutellum transversely carinate; tips of elytra narrowly or rather acutely
AONE Ghee yo a SRS RES ENING An liz LONE sR Ce ap Ss DS os 52.

Scutellum not transversely carinate; tips of elytra very acute.

(2) nevadensis Horn.

Above feebly shining or subopaque; sides of abdomen beneath broadly,
densely, uniformly pubescent. Host: Willow_____ (45) niveiventris Horn.

EAU) Coys see Eee OTM DV ee SN MT LN SL ae eh ae ee asks 53.

Sides of abdomen beneath sparsely pubescent, the pubescence forming more
or less distinct spots; male with the first abdominal segment flattened,
and the second with a vaguely depressed smooth median space on basal
ANA seo EL OS Tei VOU O Nip ese hts pies ee Se (46) fulminans Iisher.

Sides of abdomen beneath very sparsely pubescent, the pubescence not form-
ing spots; male with the first abdominal segment feebly concave, and the
second with a broad, moderately deep, smooth depression at the middle.
LOS fe 20 Gp Leyes ee) Ady aoe tak 2 (47) populi Fisher.

Male with the front of head densely pubescent, nearly concealing the surface.

(48) betulae Fisher.

Male with the front of head not densely pubescent, the surface distinctly

SU SUL Ne A a he ee OU NED CHORES eh Be) ali te a lB les SP 5d.
Above uniformly dark reddish cupreous_________________ (49) pensus Horn.
Abovevolivaccous. black toubluisSh soray. 22s ee ee 56.

305—28 2

56.

57.

59.

60.

62.

63.

65.

66.

67.

69.

BULLETIN 145, UNITED STATES NATIONAL MUSEUM

Male with the first and second abdominal segments each with a deep,
Smdotheanedian sroovers:<. 2) 2°02 ssa ee eee ees (50) horni Kerremans.
Male with the first abdominal segment broadly, longitudinally concave at
middle, and the bottom of the concavity roughly sculptured; second seg-

ment with a deep, smooth groove at middle____________ (51) anxius Gory.
Pronotum with a broad, deep, median depression extending from base to
ROSATO PVC Xe 0 EEL SN BD ED A An SOE Re a ee 58.

Pronotum without a deep median depression extending from base to apex,
at most with a narrow, or moderately deep, broad depression at mid-

CE aE Be EAE BEAR RL OULD BEERS 22. LD eS EE OEE e RIC SRS ee 61.
aM ytraewiths pubescent markings sea hee a eee 59.
Hiyira “without pubescemte mira rks eo ers ee eet ae ie ee ee 60.
Seutellum transversely carinate; elytral costae feebly indicated and not
entire; prosternal lobe not emarginate in front____ (52) cavatus Chevrolat.

Scutellum not transversely carinate; elytral costae distinet, and extending
nearly to apex; prosternal lobe emarginate in front.

(538) aureus Chevrolat.

Sides of pronotum densely pubescent; elytra dull olivaceous bronze or black,

with-bronzysercen.wwittaes = a eee (54) concinnus Horn.
Sides of pronotum not densely pubescent; elytra uniformly purplish black
(male), or reddish cup.<ous (female) ________ (55) restrictus Waterhouse.
Suture between first and second abdominal segments distinctly indicated
RGR OSU CG BRI A ca 622 ah Ee I Nahe ee ay SCT OO ee 62.
Suture between first and second abdominal segments entirely obliterated,
or at most, only vaguely indicated at the sideg___________________ 67.
Elytra bicolored, bronzy or reddish cupreous, with a greenish or purplish
Sutural vitla common to both elytra = = ee (30) pulchellus Bland.
ELAS TOT COLOT EU Ret = eae Ans Bit Te Dirn LR ae se ee ener tes een 63.
Hiytraliwith: pubescent Spots = (56) walsinghami Crotch,
Elytra without pubescent spots, but sometimes uniformly pubescent____ 64.

. Elytra with distinct pubescence; head not deeply (at most only moderately)

depressedint fron tas 252 ie a= neers ene Ls Berea tech eee ot ec aN 65.
Elytra without distinct pubescence; head deeply depressed in front.
(57) inhabilis Kerremans.
Form very robust; pronotum evenly convex and without depressions; elytra
without costae; antennae with the outer joints transverse.
(58) snowi Fall.
Form normal; pronotum with depressions; elytra with costae; antennae

withsthevouters | oints=not transverse==2 =o =e mane emneen enone 66.
Pronotum distinctly wider than long; pygidium vaguely longitudinally
SPER TST YU eee ere eee ee MIE ee ete EN fee ee! ee ee em (59) costipennis Fisher.

Pronotum not wider than long; pygidium distinctly longitudinally carinate.
(60) baboquivariae Fisher.

Scutellum not distinctly transversely carinate___._____.____.. 68.
Necutellunt transversely carinates oes ae een eee tes enna eee ear, ae Sei:
. Above bicolored; head and pronotum cupreous, sometimes with a bluish
green tinge; elytra black or bluish black______ (61) huachucae Schaeffer.
PARSO Vo TETC OMIT CU ose he eee Te er, WEEE! 1 ee A es ere 69.

Second and third abdominal segments slightly arcuately prolonged at middle
over the following segments; elytra with vague subsutural pubescent
Oeste 2S tA eT re at tc 1 Sti i pan (62) ventralis Horn.

Second and third abdominal segments not prolonged at middle over the fol-
lowing segments; elytra without subsutural pubescent vittae.

(63) obolinus LeConte.

NORTH AMERICAN BUPRESTID BEETLES 13

70: Blytra with pubescent’ spaces or designs... 2-.--~~- += 2 == L--_-- (file
Lyitay wilhoutepubescent sSpaces ss ee 2 oes 2 eae Se ee a:

. Pronotum with distinct prehumeral carinae-2—-~~—-.-—-=__=-_ == os
Pronotum without distinct prehumeral carinae__.-_-_--------~_----_-+- 74.

. Prosternal lobe deeply emarginate in front___-_-_---_-_-_-_---_-_--_-----_-_ ios
Prosternal lobe not emarginate in front__________________- (64) fallax Say.

. Above bicolored ; pronotum aeneous or cupreous, and the elytra piceous, with

a more or less distinct purplish tinge_________________- (65) scitulus Horn.
Above unicolored, bronzy black to olivaceous brown, and sometimes with a
feeblexpurplishy tances 222s lone ie! ese (66) obsoletoguttatus Gory.

76.

1
-~l

=~]
£2

80.

wm
Go

. Prenotum and elytra bronzy brown, shining, the former more or less cu-

preous, the latter sometimes violaceous posteriorly, with the anterior
pubescent design entire, and longitudinally arcuate.

(67) lautuellus Fisher.

Pronotum and elytra piceous, the former subopaque, the latter shining,

with a more or less bluish or violaceous tinge, and the anterior pubescent

desien strongly anterrupted] 22 =e ee eee (68) ornatulus Horn.

. Pronotum with the sides and median part densely pubescent.

(69) dozieri Fisher.

Pronotum with the sides and median part not conspicuously pubescent__ 76.
Anterior tarsal claws with the inner teeth feebly turned inward, but their
Lips OrOadlyese para Ce se ee to eee ene Ed Eee ee ree Ciks
Anterior tarsal claws with the inner teeth not turned inward____------~- 49.

. Body ‘above distinctly, sparsely, uniformly pubescent; elytra with distinct

COS Tet Sea Sere a tse Oc EA Pe ee (13) townsendi Fall.
Body above not distinctly pubescent; elytra without distinct costae___-- 78.

78. Male with the claws on anterior tarsi feebly cleft, the inner tooth dis-

tinetly broader than outer one, and broad toward apex. Host plants:
Madronerandsmanzanital 2220) eek Seer ae (14) arbuti Fisher.
Male with the claws on anterior tarsi deeply cleft, the inner tooth not dis-
tinctly broader than outer one, and acute at apex. Host plant: Oak.
(15) angelicus Horn.

. Antennae with the outer joints (seven to eleven) distinctly wider than long.

80.
Antennae with the outer joints (seven to eleven) not distinctly wider
TRAYS OT) ee eee eee we oe ie eet ee CBee eee Bn SLSR ON Loe Seinen Sabrent SEAT Ad SE 81.

Prosternal lobe broadly rounded in front. Host plant: Galls on rose.
(70) viridis var. fagi (Ratzeburg).
Prosternal lobe subitruncate, or more or less emarginate in front. Host
plants: Willow, maple, hazel, and alder. ;
(71) politus (Say) and subspecies.

2 Perosternal Jobe) deeply .emarzinate, im) front 222 2 ee 82.

Prosternal lobe broadly, but not deeply emarginate in front___-__-----~-- 83.

. Above uniformly reddish cupreous, with a violaceous tinge; form elongate

and rather strongly attenuate posteriorly; prosternal lobe with a semi-
circular emargination in front; prehumeral carinae sharply defined. Host
DAN Ge Ce eee a a a ee ee (72) sinuatus (Olivier).
Above uniformly greenish biue; form short and not strongly attenuate
posteriorly ; prosternal lobe broadly, deeply emarginate in front; pre-
humeral carinae not sharply defined_____________ (73) coeruleus (Rossi).

. Large species (6-8 millimeters); inner tooth of tarsal claws long and

acute; male genitalia with the sides arcuately expanded. Host plant:
TEER EPR CE GS ae a ee re De eto 2 (74) ecrataegi Frost.

SO.

80.
On:
92.

93.

94.

96.

97.

98.

BULLETIN 145, UNITED STATES NATIONAL MUSEUM

Small species (4.5-5.75 millimeters) ; inner tooth of tarsal claws short and
broad; male genitalia slender, with the sides parallel to each other. Host
Dlant MOL WOON asa tee a ea (75) cephalicus LeConte.

. Tarsal claws cleft in such a manner that the inner portion is turned inward,

nearly or quite touching that of the opposite side___(76) strigicollis Fall.
Tarsal claws simply cleft, the inner portion not or only feebly turned in-

WO AN BME TCHS VCS Gaia ee Net Se el ay ee ET I a 85.

. Upper surface with pubescent spots, vittae, or irregular designs____~~- 85.
Upper surface sometimes uniformly pubescent, but the pubescence not form-
INZESPOtS: LVibLae) OR zTresulat este Sees oe ee Le ee ae
Pronotum distinctly gibbose; each elytron with a longitudinal pubescent
Vit alone tne SULLA Mancina == Sea (77) gibbicollis Fall.
Pronotum: nots eibpose= ss 2). Be eek or ae ee ee es 87.

. Pronotum with prehumeral carinae (sometimes only vaguely indicated).
88.

Pronohume without, prehumerall caringe ss 2. ee 2 eee ee dae

. Elytra with more or less distinct pubescent spots or vittae____________ 89.
Hlytra with more or less distinct irregular pubescent designs__________ 113.

. Elytra with longitudinal pubescent vittae along the sutural margins____ 90.
Hlytra with rounded or elongate pubescent spots_____________________ 102.
Front of head convex, or at most, with a shallow longitudinal grooyve__ 91.
Front of head distinctly depressed and more or less concaye_________-_ 97.
ErOnOUUIMPVASUCLY ATUL OSC=e ees ek ee (78) pubifrons Fisher.
Pronotum distinctly rugose or scabrous_________________ Bh sol rr 92.
Pronotum finely, transversely rugose____________ fa Soon ORLA, Spine eS RN 93.
Pronotum coarsely, irregularly rugose, or scabrouS____________ apie 5S 96.

Prosternal lobe distinetly emarginate in front.
(79) olentangyi Champlain and Knull.
Prosternal lobe rounded or subtruncate in front__-___________________ 94.
Pronotum with the marginal and submarginal carinae separated for their
entire length; pubescent vittae on elytra distinct____(80) mimosae Fisher.
Pronotum with the marginal and submarginal carinae not separated for
their entire length; pubescent vittae on elytra feebly indicated________ 95,

. Head convex, at most only vaguely grooved; above piceous, sometimes with

a vague cupreous tinge; small species (8-4.25 millimeters) ; male genitalia
with the median lobe broadly rounded at apex____ (81) chiricahuae Fisher.
Head usually rather distinctly grooved ; above cupreous brown; large species
(5-8 millimeters) ; male genitalia with the median lobe obtusely angulated
Fri] aeif3)) 0) Sb: Uanee i aeoiat Pe pe epee Fie Ss cg ID RC Se oe ve (82) aeneocephalus Fisher.
Pronotum wider than long; pubescent vittae on elytra feebly indicated ; male
genitalia with a distinct tooth on each side of the median lobe near apex.
(83) malvastri Fisher.
Pronotum not wider than long; pubescent vittae on elytra distinct; male
genitalia without a tooth on the median lobe near apex.
(84) falli Fisher.
Prosternal lobe broadly rounded or subtruncate in front____-____________ 98.
Prosternal lobe distinctly emarginate in front; elytra with the pubescent
vittae obsolete, or the pubescence uniformly distributed except in the
munieral resigns.) . 2-228 (79) olentangyi Champlain and Knull.
Pronotum with more or less distinct median depressions______________ 99.
Pronotum strongly convex, and without median depressions__________ 101.

NORTH AMERICAN BUPRESTID BEETLES 15

99. Posterior margin of hind coxae regularly, arcuately emarginate; pubes-

1006.

101.

102.

103.

104.

105.

106.

108.

109.

110.

cent vittae on elytra obsolete________________ (82) aeneocephalus Fisher.
Posterior margin of hind coxae strongly sinuate; pubescent vittae on
elyprapmoceraticliy Gis tine t= see ee eee eet oe ee ee ee 100.
Pronotum strongly depressed at the sides, with the depressions rather
densely clothed with long pubescence________________ (85) illectus Fall.
Pronotum feebly depressed at the sides, and without distinct long pubes-
CCT COMME er ie a te PGE eee recht ees fe) iTS ee (86) sierrae Van Dyke.
Pronotum clothed with distinct long pubeseence toward the sides; pubes-
Cenigaviluaeronvelytra, GiShinct 22 ses ees eee (87) felix Horn.
Pronotum not clothed with distinct long pubescence toward the sides;
pubescent vittae on elytra obsolete________________ (88) jacobinus Horn.
Front of head distinctly depressed, and more or less concave_________ 103.
Front of head convex, or at most, only feebly, longitudinally de-
FLT SSC et Ra ree EAR SD a a as ta ts go Se ee ea Ta 106.

Sides of prosternal process parallel to behind the coxal cavities.
(89) floridanus Crotch.
Sides of prosternal process expanded behind the coxal cavities_______ 104.
Pubescent spots on elytra distinct, and the basal and median ones sepa-
rated; large species (6.5-7.5 millimeters) ___________ (90) impexus Horn.
Pubescent spots on elytra not distinct, often obsolete; small species (4-6
EA DUNT TS ese ee ae ne AN ea eT gs Ns tae Se 105.
Pronotum with a distinct median depression; basal and median pubescent

spots on elytra not connected; head glabrous in both sexes.

(91) cupreonitens Fisher.
Pronotum without a distinct median depression; basal and median pubes-
eent spots on elytra usually connected, forming a more or less distinct
vitta on basal half; head pubescent in both sexes__(92) addendus Crotch.
Pronotum with the marginal and submarginal carinae separated for their

CNtIeRPen Ertl Bets trie t e e HB ee ed ed ee ae 107.
Pronotum with the marginal and submarginal carinae not separated for
therwentire clemethy ic 0k ee oi bes ele le a oda on 109

. Pronotum rather deeply, broadly depressed at middle; pubescence on

elytra usually forming irregular designs similar to lecontei.
(93) quereus Schaeffer.
Pronotum not, or at most, only feebly depressed at the middle________ 108.
Pronotum finely, distantly, and very obliquely rugose on disk. Male with
the front of head bronzy cupreous, and densely clothed with white pubes-
cence; first ventral segment of abdomen broadly grooved at middle, and
slightly pubescent. Female with front of head dark reddish brown.
(94) palmacollis Horn.
Pronotum rather coarsely transversely rugose on disk. Male with the front
of head bright green, and not densely pubescent; first ventral segment of
abdomen flattened or vaguely grooved, and not pubescent. Female with

the front of head bright reddish mahogany__-_-___ (95) prosopidis Fisher.
Sides of prosternal process expanded behind the coxal cavities; prosternal
lobe broadly rounded or feebly sifbtruncate in front________________ 110.
Sides of prosternal process parallel to behind the coxal cavities; pros-
ternal lobe more or less emarginate in front______________________ me
Pubescent spots on elytra distinct, the median one elongate, and placed in
Ay Gist CE GepreSSl Oni wtt ema ete nlite Meta Re ep eek Ae ad eae 111.

Pubescent spots on elytra indistinct, and the median one usually not ina
GeDRESSI Ost ayy UR Ak See Ve a (96) exiguellus Fisher.

112.

1138.

114.

115.

116.

ety.

118.

119.

120.

121.

122.

123

BULLETIN 145, UNITED STATES NATIONAL MUSEUM

Pronotum finely, transversely rugose on disk, and the sides parallel or
obliquely narrowed from apical angles to behind middle; epistoma
deeply, arcuately emarginate in front-____________~_- (97) acaciae Fisher.

Pronotum coarsely, transversely rugose on disk, and the sides arcuately
rounded to behind the middle; epistoma feebly, arcuately emarginate in
SFr 1 fy a En ee eee (98) abductus Horn.

Pubescent spots on elytra distinct, and the median one rounded; pronotum
with distinct median depressions; female with the front of head
mahogany red; male genitalia with the sides nearly parallel to each
ORG ee a ee ene ates om es eRe (99) pseudofallax Frost.

Pubescent spots on elytra usually not distinct, and the median one elon-
gate; pronotum with feeble median depressions; female with front of?
head bronzy green; male genitalia with the sides strongly expanded near
IC Ah ear i Be (100) egeniformis Champlain and Knull,

[TUE FOSS a 0 ferris eka TN SUT TN hs te Pe (101) dolli Schaeffer.

Tips off elytra: MOeMaAr SaaS Stes mek ee rs 114.

Brosternalelobesbroadly, rounded in’ frontae ee eee eee ee 115.

Prosternal lobe deeply, arcuately emarginate in front_______________~_ 116.

Sides of prosternal process parallel to behind the coxal cavities.

(98) quercus Schaeffer.

Sides of prosternal process expanded behind the coxal cavities.

(98) abductus Horn.

Male with claws on anterior feet dissimilar, one claw cleft near tip and
the teeth nearly equal in length, the opposite claw cleft near middie, with
the inner tooth broader and distinctly shorter than outer one.

(102) lecontei Saunders,

Male with claws on anterior feet similar, both claws cleft near tip, and
the two teeth about equal in length.

(102a) lecontei subspecies celticola Wisher.

Pronotum slightly gibbose; each elytron with a longitudinal pubescent vitta
alonsithesutunalmarcine See eee (77) gibbicollis Wall.

Pron oObUM FNOCLS DO SC ee ae ae eet Ee Lidia eee Re eee 118.

Sides of prosternal process expanded behind the coxal cavities; each
elytron with three obsolete pubescent spots._._-_____-_---_ 4 119.

Sides of prosternal process parallel to behind the coxal cavities______ 120.

Pronotum strongly convex, with only an obsolete depression on disk; color
above brownish black; large species (6-7 millimeters).

(103) abjectus Horn.

Pronotum moderately convex, with a distinct, elongate, median depression ;
color above brownish or reddish cupreous; small species (4.75 milli-
ATO USMS) CAs Sh 8 Se PR eat oc rpoeee ened ee (91) cupreonitens Fisher.

Pronotum strongly convex, without a median depression; each elytron with
a longitudinal pubescent vitta and basal spot_______ (104) blandus Horn.

Pronotum moderately convex, with distinct median depressions; elytra
with distinct pubescent designs_________________ (105) subeinctus Gory.

Hlytra with a longitudinal carina between the humeri and lateral mar-
PANS Se oe tee SS BU ee Sr eet a 122:

Elytra without a longitudinal carina between the bumeri and lateral mar-
gins;-color plumbeus=2= 22 se it ee ie Bae es (106) mutieus LeConte.

Pronotum with ‘prehumeral ‘carinae) (220i aes AO RW ei” 123.

Pronotum without prehumeral carinae______________________ poet Seb 135,

. Hind coxae with the posterior margin distinctly sinuate or arcuately

emarginate, and with the outer posterior angle more or less acute and

somewhat * prolonged! oie: iek sees ieee Sd, CRITE ae SR 124.

124.

125.

126.

127.

128.

129.

130.

1381.

182.

133.

134.

135.

NORTH AMERICAN BUPRESTID BEETLES hz

Hind coxae with the posterior margin feebly sinuate or truncate, with

the outer posterior angle rectangular, and not prolonged___________ 128.
Male with the first and second abdominal segments longitudinally concave
at middle, and densely clothed with long pubescence__________-_--__ 125.
Male with the first and second abdominal segments convex or feebly flat-
tened at middle, and not clothed with conspicuous pubescence__--~ 127.
Posterior tarsi of male distinctly longer than tibiae; eyes more acutely
rounded beneath than above___-_______________ (107) lacustris LeConte.
Posterior tarsi of male not longer than the tibiae_______________---~_~- 126.

Prosternal lobe broadly rounded in front; eyes about evenly rounded above
and beneath; antennae with the outer joints (Seven to eleven) not
LOHPeretn ANI Wie eee ee ee 2 ee ew ae (108) imbellis Crotch.

Prosternal lobe broadly, arcuately emarginate in front; eyes more acutely
rounded beneath than above; antennae with the outer joints (seven te
eleven) loner than Wide 2 oe ee ee (109) barberi Fisher.

Front of head broadly, rather deeply depressed; pronotum with the mar-
ginal and submarginal carinae separated for their entire length.

(86) sierrae Van Dyke.

Front of head not broadly, deeply depressed; pronotum with the marginal
and submarginal carinae not separated for their entire length.

(110) abditus Horn.

Elytra sparsely, uniformly clothed with distinct white hairs, except some-
HMmes ing fhe humeral gPeLLO MS wets ks eds ees eee ee 129.

Blytra not clothed with distinct white hairs. ~~ -_____________-___- 130.

Prosternal lobe distinctly emarginate in front.

(79) olentangyi Champlain and Knull.

Prosternal lobe broadly rounded or subtruncate in front.

(111) pubescens Fisher.

Surface above bicolored; head and pronotum aeneous or cupreous; elytra

DUTDL SA a Ge eee aes feo es Ds Ye Ee _ SR (112) pusillus (Say).
Surface above unicolored, brownish or greenish bronze____________ 131.
Pronotum slightly narrower at base than apex, and the surface coarsely,

GRANTS VET SE liyaeIst OS Cte tee ee mca es es oe SN ER eer A eee 132.
Pronotum equal in width at base and apex, and the surface very finely,

distantly, vobliqnelyernZ0Sesere = st ste os ae ee (118) eleanorae Fisher.
Male genitalia with the sides nearly parallel to each other. Host plant:

SNe CHW Cary ee oe ae SR GA a Ee ae (114) celti Knull.
Male genitalia with the sides very strongly, arcuately expanded. Host

ROMER Lae Kos O CUS Gere ee ee ee (115) egenus Gory.

Hind coxae with the posterior margin distinctly sinuate or arcuately
emarginate, with the outer posterior angle more or less acute, and

SOMeWHa LAD ROlONSeO mote anna stt ee Be. ee ek eee ee ue fet eS 134.
Hind coxae with the posterior margin feebly sinuate or truncate, with the
outer posterior angle rectangular, and not prolonged______________ 135.
Posterior tarsi of male distinctly longer than tibiae; eyes more acutely
rounded beneath than above______________ seas Le (107) lacustris LeConte.
Posterior tarsi of male not longer than the tibiae; eyes about evenly
rounded, aboverandubencathes soe the (108) imbellis Crotch.
Scucellum transversely carinate: pronotum transversely rugose and
IED RAEN eM Os eager LM Ne I ee a et 186.

Scutellum not transversely Sete pronotum very obliquely rugose, and
Somewhatvorantlosewly ft . Sanu Pe sae ea eer et ee Pe (116) abstersus Horn.

18 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

136. Prosternal lobe distinctly emarginate in front; eyes acutely rounded
PUGNAc 2 ER BEES EI AE: (117) putillus Say.

Prosternal lobe broadly rounded in front; eyes broadly rounded beneath.
(118) oblongus Wisher.

DESCRIPTION OF SPHCINS
i. AGRILUS FERRISI Dury
Figure 1

Agrilus ferrisi Dury, Ent. News, vol. 19, 1908, p. 368—BuLarcHLry, Cole-
optera of Indiana, 1910, pp. 797-798.—Frost and Weiss, Canad. Ent.,
vol. 52, 1920, p. 204—BrackmMAn and Stags, N. Y. State College
Horestry,, Lech. Pub. 17%, pt. 1, 1924 p. 66—CHAMBERIIN Cat. Bu-
prestidae, 1926 p. 62.

Male——F¥orm rather large, strongly flattened above, strongly shin-
ing, and uniformly aeneous, with a strong reddish cupreous or vio-
laceous tinge; beneath reddish cupreous, and more shining than
above.

Head with the front rather wide, nearly flat, about equal in width
at top and bottom, the lateral margins feebly, arcuately expanded
near middle, and with a feeble longitudinal groove extending from
occiput to middle of front; surface coarsely punctate, more or less
longitudinally rugose on the occiput, and the surface nearly concealed
by the long, recumbent, yellowish white pubescence and efflorescence ;
epistoma strongly transverse between the antennae, strongly ele-
vated, and broadly, deeply, arcuately emarginate in front; antennae
extending to about middle of pronotum, serrate from the fourth joint,
and the outer serrate joints as wide as long; eyes large, elongate, and
about equally rounded beneath and above.

Pronotum nearly one-half wider than long, base and apex about
equal in width, and widest at middle; sides feebly, arcuately rounded,
and slightly sinuate near posterior angles, which are rectangular;
when viewed from the side the marginal and submarginal carinae are
slightly sinuate, very narrowly separated, and connected to each
other at base; anterior margin slightly sinuate with a broadly
rounded median lobe; base feebly emarginate at middle of each
elytron, and the median lobe feebly, broadly rounded; disk moder-
ately convex, with a vague, longitudinal median depression, which
is more broadly depressed in front of scutellum, a broad, shallow
depression on each side along lateral margin, and with obtusely
rounded, arcuate, prehumeral carinae, extending from base to near
middle of pronotum; surface coarsely, transversely rugose at middle,
sparsely, coarsely punctate between the rugae, and sparsely clothed
with short, inconspicuous hairs at the middle, but the surface at
sides concealed by long, recumbent, yellowish white pubescence and

NORTH AMERICAN BUPRESTID BEETLES 19

efflorescence. Scutellum strongly, transversely carinate, and the sur-
face nearly smooth.

Elytra wider than pronotum at base, and slightly wider at base
than behind middle; sides nearly parallel for a short distance be-
hind base, broadly, vaguely constricted in front of middle, feebly,
broadly expanded behind middle, then obliquely narrowed to the
tips, which are strongly serrulate, and produced into an acute spine
at middle of each elytron; sides of abdomen broadly exposed above;
disk flattened, feebly, longitudinally concave along sutural margins,
which are feebly elevated posteriorly, a feeble, obtuse costa on each
elytron, and with wide, rather deep basal depressions; surface coarsely,
irregularly imbricate-punctate, more or less transversely rugose, and
sparsely clothed with very short, inconspicuous hairs.

Abdomen beneath finely, sparsely punctate, the punctures more
or less connected transversely by sinuate lines, which are coarser at
_ the sides of the first two basal segments, sparsely clothed with short,
inconspicuous hairs, sides of basal segment, and a large spot at
sides of other segments densely clothed with long, recumbent, yellow-
ish white pubescence and efflorescence; first segment convex at mid-
dle, and without long pubescence; last segment broadly, transversely
truncate at apex, and with a marginal groove extending along sides
and apex; vertical portion of segments densely pubescent and efflores-
cent; pygidium longitudinally carinate, the carina not projecting,
but the tip of the pygidium is broadly projecting, and strongly emar-
ginate at apex. Prosternum finely, sparsely punctate and granulose,
and sparsely clothed with long, erect, fine hairs; prosternal lobe broad,
moderately declivous, and broadly, rather deeply, arcuately emargi-
nate in front; prosternal process broad, the sides nearly parallel to
behind coxal cavities, then obliquely rounded to the apex, which is
obtusely rounded. ‘Tibiae slender, the anterior pair feebly arcuate,
and the anterior and middle pairs armed with a short, indistinct
tooth on inner margin at apex. Posterior tarsi about equal in length
to the tibiae, and the first joint nearly as long as the following joints
united. Tarsal claws similar on all feet, cleft near the middle,
the inner tooth broad, much shorter than the outer one, and not
turned inward.

Length, 8.75 mm.; width, 2.25 mm.

Female.—Differs from the male in having the front of head more
deeply depressed, and the longitudinal groove more distinct; proster-
num more or less rugose, and without long, erect hairs at middle;
tibiae unarmed at apex; last abdominal segment strongly granulose,
more broadly truncate at apex, and the marginal groove only present
at sides.

Length, 10 mm.; width, 2.75 mm.

20 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

Redescribed from a male and female cotype donated to the United
States National Museum by Mr. Dury.
Type locality Cincinnati, Ohio.

DISTRIBUTION

INDIANA: Warren and Posey Counties, June 9 to July 23 (recorded by Blatch-
ley, 1910).

Iowa: Ames, June 26 (L. S. Wells).

Kentucky: Louisville (Chas. Schaeffer).

Mississippi: No definite locality, reared (M. W. Blackman).

Ouio: Cincinnati, June-July (Chas. Dury). Columbus, July 6—-August 19
(J. N. Knull).

Texas: Columbus, June 17 (——). Gainesville, June 17 (EH. E. Russell).

Variations—This species varies from 8.75 to 10 millimeters in
length. The examples from Texas are more uniformly bronzy
brown, and without any purplish tinge, the pubescence on the elytra
is slightly more distinct, and the surface of the pronotum is more
strongly, transversely rugose. In the specimens from Texas and
Iowa the tips of the elytra are not very strongly prolonged, and the
projection of the pygidium is truncate at the apex, whereas in the
specimens from the type locality the carina is deeply emarginate.
The example from Columbus, Tex., has the pubescence on the sides
of the pronotum and abdomen of a distinct yellow color.

Host.—The larvae of this species live in the twigs of hackberry
(Celtis occidentalis Linnaeus).

2. AGRILUS NEVADENSIS Horn

Agrilus nevadensis Horn, Trans. Amer. Ent. Soc., vol. 18, 1891, pp. 303—-
304.—ScuHAEFFER, Brooklyn Inst. Mus., Sci. Bull., vol. 1, no. 6, 1905, p.
181.—CHAMBERLIN, Ent. News, vol. 28, 1917, p. 169 (probably wrong
identification ).—Goop, Ann. Ent. Soc. Amer., vol. 18, 1925, p. 272, pl.
11, fig. 45 (probably wrong identification) —CHAMBERLIN, Cat. Bu-
prestidae, 1926, p. 71 (in part).—Hssie, Insects Western North Amer.,
1926, p. 403 (probably wrong identification).

Female—Form large, elongate, strongly flattened above, sub-
opaque, uniformly black, with a more or less greenish and violaceous
tinge, the violaceous tinge more distinct on front of head; beneath
strongly violaceous on the median parts, with a greenish tinge toward
the sides, and more shining than above.

Head with the front wide, nearly flat, about equal in width at
top and bottom, the lateral margins feebly, arcuately expanded near
vertex, and with a rather broad, shallow depression extending from
the occiput to middle of front; surface rather densely, coarsely, trans-
versely rugose, sparsely, coarsely punctate between the rugae, with a
vague fovea on each side of the middle, and sparsely clothed with
moderately long, semierect, whitish hairs; epistoma transverse be-

NORTH AMERICAN BUPRESTID BEETLES pa!

tween the antennae, and broadly, deeply arcuately emarginate in
front; antennae extending to middle of pronotum, serrate from the
fourth joint, and the outer joints about as long as wide; eyes large,
strongly elongate, and slightly more acutely rounded beneath than
above.

Pronotum one-half wider than long, apex and base about equal
in width, and widest at middle; sides arcuately rounded from apical
angles to near the base, where they are more obliquely narrowed;
when viewed from the side the marginal and submarginal carinae
are feebly sinuate, rather narrowly separated anteriorly, and con-
nected to each other at or near the base; anterior margin feebly sinu-
ate, and the median lobe feebly, broadly rounded; base broadly,
arcuately emarginate at middle of each elytron, the median lobe
broadly rounded, and subtruncate in front of scutellum; disk
moderately convex, with a broad, shallow median depression, which
is more or less divided at the middle, a broad shallow depression
on each side along lateral margin, and with sharply defined, arcuate
prehumeral carinae; surface with numerous coarse, transverse punc-
tures, the punctures irregularly placed, and rather widely separated
on the disk, and clothed with a few short, inconspicuous hairs toward
the sides. Scutellum not transversely carinate, but the surface trian-
gularly depressed.

Elytra slightly wider than pronotum at base, and about equal
in width at base and behind middle; sides nearly parallel for a short
distance behind base, feebly narrowed to behind middle, where they
are feebly, broadly expanded, then obliquely narrowed to the tips,
which are separately, very acutely angulated, slightly prolonged, and
coarsely serrulate; sides of abdomen broadly exposed above; disk
shghtly flattened, a vague, broad, longitudinal costa on each side,
sutural margins slightly elevated on apical half, and with broad,
moderately deep basal depressions; surface coarsely, vaguely imbri-
cate-punctate, more or less transversely rugose, and sparsely clothed
with short, whitish hairs on apical third, the hairs being more distinct
in a vague depression toward apex, and feebly indicated at middle.

Abdomen beneath nearly smooth on the median part, becoming
finely, densely punctate at the sides, and sparsely clothed with short,
recumbent, whitish pubescence; first segment vaguely flattened at
middle; last segment broadly rounded at apex; vertical portions
of segments rather densely, but not conspicuously pubescent; pygid-
ium coarsely punctate, strongly carinate, the carina strongly project-
ing, and truncate at apex. Prosternum densely, finely punctate, and
rather densely clothed with short, recumbent, whitish pubescence ;
prosternal lobe broad, moderately declivous, and broadly but not
deeply, arcuately emarginate in front, forming an arcuately rounded

oo BULLETIN 145, UNITED STATES NATIONAL MUSEUM

lobe on each side of the emargination; prosternal process broad, the
sides nearly parallel to behind the coxal cavities, then obliquely
narrowed to the apex, which is acute. Tibiae slender, straight, and
without a distinct tooth on the inner margin at apex. Posterior
tarsi slightly shorter than tibiae, and the first joint as long as the
following two joints united. Tarsal claws cleft near the middle, the
inner tooth shorter than outer one, feebly turned inward, but the tips
widely separated. (Posterior claws missing.)

Length, 10.5 mm.; width, 2.75 mm.

Male.—Unknown.

Type locality—Western Nevada.

Redescribed from the type No. 3479 in the collection of the
Academy of Natural Sciences, Philadelphia.

This species seems to be rare in collections, as only the unique
type collected by Morrison has been seen by the writer. Chamber-
lin (1917, 1926) records it from the following localities in Cali-
fornia: Cole, Tulare County, Yosemite Valley, and Redwood City,
as breeding in Aspen (Populus tremuloides Michaux), and Black
cottonwood (Populus trichocarpa Hooker), but these records prob-
ably refer to my new species populi. Good (1925) gives a drawing
of the wing of this species, which is probably made from an erro-
neously identified specimen.

The depressions at middle and apical third of elytra on the type
are only vaguely indicated, and can scarcely be considered as depres-
sions. Horn (1891) in his description writes that the claws are
similar on all feet, but they are missing from the posterior feet on
the type.

3. AGRILUS SUBTROPICUS Schaeffer

Figure 2

Agrilus subtropicus SCHAEFFER, Brooklyn Inst. Mus., Sci. Bull., vol. 1, no. 6,
1905, p. 181—Frost and Wetss, Canad. Ent., vol. 53, 1921, p. 72.—
CHAMBERLIN, Cat. Buprestidae, 1926, p. 83.

Male.—Klongate, cuneiform, rather strongly flattened above, feebly
shining, black, with a distinct brassy or bluish green tinge, and the
elytra more or less cupreous toward the apex; beneath aeneous or
cupreous, and more shining than above.

Head with the front rather wide, nearly flat, and slightly narrower
at top than at bottom, the lateral margins feebly narrowed from
bottom to top, and with a rather deep, longitudinal groove extend-
ing from the epistoma to occiput, the groove more broadly depressed
behind the epistoma and on the vertex; surface coarsely, and rather
densely punctate, and sparsely clothed with long, recumbent, yellow-
ish white hairs; epistoma strongly transverse between the antennae.

NORTH AMERICAN BUPRESTID BEETLES 23

and broadly, deeply, arcuately emarginate in front; antennae slender,
extending slightly beyond middle of pronotum, serrate from the fifth
joint, and the outer joints about as wide as long; eyes large, elongate,
and about equally rounded above and beneath.

Pronotum one-third wider than long, base and apex about equal in
width, and widest near middle; sides feebly arcuately rounded, and
when viewed from the side the marginal and submarginal carinae
are slightly sinuate, narrowly separated anteriorly, and connected
to each other behind the middle; anterior margin strongly sinuate,
with a broadly rounded, median lobe; base acutely emarginate at
middle of each elytron, the median lobe broadly rounded, and feebly,
arcuately emarginate in front of scutellum; disk moderately convex,
with a broad, median groove extending from base to apex, and more
deeply depressed in front and behind the middle, a broad depression
on each side along lateral margin, extending obliquely backward
from apical angle to the base at acute emargination, and with sharply
defined, straight prehumeral carinae, extending from base to near
middle of pronotum; surface rather densely, coarsely punctate,
feebly rugose, and sparsely clothed with recumbent yellowish hairs
and whitish efflorescence, which are more densely arranged in the
depressions. Scutellum transversely carinate, and the surface feebly
reticulate.

Elytra slightly wider than pronotum at base, and widest just
behind the humeri; sides slightly arcuate behind humeral angle,
feebly, arcuately constricted in front of middle, slightly arcuately
expanded behind middle, then obliquely narrowed to the tips, which
are feebly expanded, strongly serrate, and conjointly broadly, arcu-
ately emarginate at middle; sides of abdomen scarcely visible from
above; disk slightly depressed, with a distinct longitudinal costa on
each side, a rather deep depression along sutural margin, and with
broad, moderately deep basal depressions; surface feebly imbricate-
punctate, sparsely clothed with short, recumbent, yellowish white
pubescence, except on the longitudinal costae, and with four more or
less distinct, denuded spots on each elytron, one near base, one at
basal third, a broader one behind the middle extending nearly to
lateral margin, and an elongate one along lateral margin near the
apex.

Abdomen beneath finely punctate, the punctures rather widely
separated on the median part, but becoming denser toward the sides
of the segments, and rather densely clothed with recumbent, yellow-
ish white hairs toward the sides; vertical portions of the segments
not more densely pubescent than ventral surface; first segment
<trongly convex and without a median depression; pygidium longi-
‘udinally carinate at the middle, but the carina not projecting.

24 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

Prosternum finely, very densely punctate, and the median part
densely clothed with long, erect, inconspicuous hairs; prosternal
lobe slightly declivous, broadly rounded in front, and with a broadly
arcuate emargination at the middle; prosternal process broad, the
sides parallel to behind the coxal cavities, and the apex broadly
rounded. Posterior coxae with the posterior margin sinuate and the
exterior angle rectangular. Tuibiae slender, the anterior and middle
pairs slightly arcuate, and with a short tooth on the inner margin
at apex. Posterior tarsi about as long as the tibiae, and the first
joint as long as the following three joints united. Tarsal claws
dissimilar; anterior pair cleft near apex, the teeth nearly equal in
length, and acute at the tips; middle and posterior pairs cleft near
middle, the outer tooth long and acute, the inner tooth broad at
apex, about one-half as long as the outer one, and not turned inward.

Length, 7.5 mm.; width, 1.75 mm.

Female.—Differs from the male in having the front of head more
cupreous, and not so densely pubescent; antennae extending only to
middle of pronotum; prosternum sparsely punctate, and not clothed
with long, erect hairs at the middle; sides of abdomen slightly ex-
posed above; anterior and middle tibiae unarmed at apex; posterior
tarsi distinctly shorter than tibiae, and the tarsal claws similar on
all feet, cleft near middle, the outer tooth long and acute, the inner
tooth broad, about one-half as long as the outer one, and not turned
inward.

Length, 8.4 mm.; width, 2 mm.

Redescribed from the male and female cotypes, catalogue No. 224,
in the collection of the Brooklyn Institute of Arts and Sciences.

Type locality—Esperanza ranch, Brownsville, Tex.

Distribution—Texas: Esperanza ranch, Brownsville, May to
July (Charles Schaeffer); May 381, 1904 (H. S. Barber). Los
Borregos, Brownsville, May 21-24, 1904 (H. S. Barber).

Variations—This species is rather uniform in coloration and
pubescent markings, but sometimes the specimens are covered with
a dense white efflorescence, which gives them a different appearance.
The antennae are usually serrate from the fifth joint, but occasionally
there is a specimen found with the fourth joint feebly serrate, which
might cause it to be placed with the species having the antennae
serrate from the fourth joint.

It has only been recorded from two localities in the extreme
southern part of Texas, and Frost and Weiss (1921) record it as
having been collected on Momisia pallida Planch. This is one of
the low-growing hackberries, and has been placed in the genus Celtis
by some authors. The shrub is known in Mexico and Texas under
various local names, such as: “ Granjeno,” “granjeno huaste:o,”
“ capul,” and “ garabato.”

NORTH AMERICAN BUPRESTID BEETLES 25
4, AGRILUS LUCANUS Fall

Agrilus lucanus Fay, Ent. News, vol. 17, 1906, pp. 167-168—CHAMBERLIN,
Cat. Buprestidae, 1926, p. 69.

Male—F¥orm strongly cuneiform, strongly fiattened above, and
moderately shining; head and pronotum bronzy brown, with a dis-
tinct cupreous tinge; elytra bronzy brown, with a more or less dis-
tinct cupreous, bluish, and purplish tinge in certain lights, and
ornamented with indistinct brownish yellow pubescent designs; be-
neath cupreous, and more shining than above.

Head with the front narrow, feebly convex, vaguely narrower at
top than bottom, the lateral margins nearly parallel from bottom
to near occiput, where they are feebly, arcuately constricted, with a
broad, deep depression on upper half, narrowly connected to a deep,
triangular depression behind the epistoma, and a round shallow de-
pression on each side at middle of front; surface densely, coarsely
punctate, forming short rugae, and sparsely clothed with long, re-
cumbent, yellowish pubescence; epistoma strongly transverse between
the antennal cavities, strongly elevated, and broadly, deeply emar-
ginate in front; antennae extending nearly to posterior angles of
pronotum, serrate from the fourth joint, joints one to seven longer
than wide, and joints eight to ten as wide as long; eyes large,
broadly oblong, and about equally rounded above and beneath.

Pronotum one-half wider than long, about equal in width at base
and apex, and widest at middle; sides feebly, arcuately rounded from
apical angles to the posterior angles, which are rectangular; when
viewed from the side the marginal carina is strongly sinuate, the sub-
marginal carina nearly straight, the two carinae broadly separated
anteriorly, and connected to each other behind the middle; anterior
margin strongly sinuate, and the median lobe feebly, broadly rounded,
base feebly emarginate at middle of each elytron, the median lobe
broadly rounded, and feebly, arcuately emarginate in front of scutel-
lum; disk moderately convex, with a broad, deep, median depression,
the concavity constricted at middle and narrowed in front, a broad,
deep depression on each side along lateral margin extending to base,
and with strongly defined, arcuate prehumeral carinae extending from
posterior angles to middle of pronotum; surface obsoletely granu-
lose, rather coarsely but not closely rugose, the rugae more or less
transverse at middle, and becoming oblique toward the sides, finely,
sparsely punctate between the rugae, and sparsely clothed with mod-
erately long, recumbent, brownish yellow hairs. Scutellum strongly,
transversely carinate, and the surface finely reticulate.

Elytra about as wide as pronotum, and vaguely wider at base than
behind middle; sides nearly parallel from base to behind middle,

26 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

then obliquely narrowed to the tips, which are broad, obliquely, arc-
uately emarginate internally, and acutely serrulate; sides of abdomen
feebly exposed above; disk strongly flattened along suture, the de-
pression limited externally by a distinct longitudinal costa, and with
broad, moderately deep, basal depressions; surface coarsely, densely
imbricate-punctate, and each elytron ornamented with brownish yel-
low pubescent designs as follows: a broad, transversely oblique spot
at base, a broad diffused fascia at middle, in front of which is an
irregular spot, a more distinct, irregular shaped fascia at apical
fourth, which is connected narrowly along suture to a small spot
near apex.

Abdomen beneath obsoletely granulose, rather sparsely, uniformly
punctate, and sparsely, uniformly clothed with short, recumbent, yel-
lowish pubescence; first segment strongly convex, without a median
depression; last segment broadly rounded or subtruncate at apex;
vertical portions of the segments not conspicuously pubescent; pygi-
dium feebly carinate anteriorly, but the carina not projecting. Pros-
ternum coarsely, densely punctate, somewhat rugose, and densely
clothed with long, erect, fine hairs; prosternal lobe feebly declivous,
and very broadly arcuately emarginate in front; prosternal process
broad, the sides parallel to behind the coxal cavities, then strongly
narrowed to the apex. Tibiae slender, and the anterior and middle
pairs armed with a short tooth on inner margin at apex. Posterior
tarsi distinctly shorter than tibiae, and the first joint as long as the
following three joints united. Tarsal claws dissimilar, the anterior
and middle pairs cleft near the tip, and the teeth nearly equal in
length; posterior claws cleft near middle, the inner tooth broader and
shorter than outer one, and not turned inward. Genitalia not
examined.

Length, 8.5 mm.; width, 2.125 mm.

Female-——Unknown.

Type locality—E] Taste, Lower California.

Redescribed from the type in the collection of H. C. Fall.

The type which was collected by Mr. Beyer is the only example of
this species examined, and is very closely allied to subtropicus
Schaeffer. It differs from swbhtropicus, however, ‘in having the
median depression on the pronotum deeper, the anterior part of the
depression distinctly narrower than the posterior part, the depression
on front of head deeper, the pubescence on upper surface brownish
yellow instead of pale yellow, and also by the different arrangement

of the pubescent markings on the elytra, which may be more or less
abraded in the type of Jucanus.

NORTH AMERICAN BUPRESTID BEETLES ai
5. AGRILUS CHAMPLAINI Frost
Figure 3

Agrilus champlaini Frost, Canad. Ent., vol. 44, 1912, pp. 245-247.—Brrr-
Ton, Conn. Agri. Exp. Sta., 12th Ent. Rept. 1913, p. 291, pl. 16,
fig. c—Frost and Weiss, Canad. Ent., vol. 52, 1920, p. 207.—Britron,
Conn. State Geol. and Nat. Hist. Survey, Bull. 31, 1920, p. 244 (listed) .—
Frost, Canad. HEnt., vol. 52, 1920, p. 249.—K nut, Canad. Ent., vol. 54,
1922, p. 85; Ohio State Uniy. Studies, vol. 2, no. 2, 1925, pp. 3940, pl.
9, fig. 1—CHAMBERLIN, Cat. Buprestidae, 1926, p. 56.

Agrilus otiosus Frit, N. Y. State Mus., Bull. 186, 1916, p. 95 (not otiosus
Say).

Male——Klongate, rather robust, slightly flattened avove, subopaque,
and uniformly black, with a feeble purplish tinge; beneath slightly
more shining than above, and with a vague aeneous reflection.

Head with the front rather wide, flat, slightly wider at top than
at bottom, the lateral margins arcuately expanded near the middle,
and with a moderately deep, broad, longitudinal depression extend-
ing from occiput to middle of front; surface densely, coarsely
punctate, coarsely rugose, especially on vertex and occiput, and
sparsely clothed behind the epistoma with short, semierect, whitish
hairs; epistoma strongly transverse between the antennae, and
broadly, deeply, arcuately emarginate in front; antennae extending
to middle of pronotum, serrate from the fourth joint, and the outer
joints as wide as long; eyes large, strongly elongate, and about equally
rounded above and beneath.

Pronotum about three-fifths wider than long, about equal in width
at base and apex, and widest at middle; sides rather strongly arcu-
ately rounded from anterior margin to posterior angles, which are
obtuse; when viewed from the side the marginal carina is sinuate,
the submarginal carina nearly straight, the two carinae rather widely
separated at apical fourth, and connected to each other near the base;
anterior margin slightly sinuate, with the median lobe feebly
rounded; base deeply emarginate at middle of each elytron, the
median lobe very wide, and broadly subtruncate in front of the scu-
tellum; disk moderately convex, with two round, deep depressions
placed transversely in front of middle, a larger, deeper depression
in front of scutellum, a broad, rather deep depression on each side
along lateral margin at middle, and extending obliquely backward
to the base inside of the prehumeral carina, which is rather short.
strongly elevated, and obtusely rounded on top; surface coarsely.
densely, transversely rugose, the rugae finer and somewhat confused
toward the sides, with numerous punctures between the rugae. Scu-
tellum not transversely carinate, but the surface finely, densely
reticulate.

2305—28——_3

28 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

Elytra slightly wider than pronotum at base, about equal in width
at base and just behind the middle, feebly, Poa arcuately con-
stricted in front of middle, and eee from near the middle to
the tips, which are separ ately, broadly rounded, and coarsely serrate ;
sides of abdomen narrowly exposed above; disk slightly flattened,
with vague longitudinal costae, sutur al margins shghtly elevated pos-
teriorly, and with broad, deep basal depressions ; surface densely,
coarsely granulate-punctate, and clothed with inconspicuous pu-
bescence at apex.

Abdomen beneath finely, densely punctate, becoming densely imbri-
cate-punctate on basal segment, and rather densely, uniformly cicthed
with short, recumbent, whitish pubescence; first segment broadly,
feebly concave, the second with a deep, smooth groove at the middle,
which extends from the anterior margin to behind middle of seg-
ment; vertical portions of segments not conspicuously pubescent ;
pygidium coarsely punctate, with the median carina strongly ele-_
vated, narrow, strongly projecting, and truncate at apex. Pro-
sternum coarsely, densely punctate, somewhat rugose posteriorly, and
sparsely clothed with short, semierect, whitish hairs; prosternal lobe
rather narrow, strongly declivous, and subtruncate or vaguely emar-
ginate in front; prosternal process broad, the sides parallel to be-
hind the coxal cavities, then abruptly narrowed to the apex, which is
acute. Posterior coxae with the posterior margin transversely sinu-
ate, and the exterior angle nearly rectangular. Tibiae slender, feebly
arcuate, and all three pairs armed with a small tooth on the inner
margin at apex. Posterior tarsi slightly shorter than the tibiae, and
the first joint slightly longer than the following two joints united.
Tarsal claws similar on all feet, cleft near the middle, the outer tooth
acute at apex, the inner one broader, slightly shorter, turned inward,
and the tip nearly touching that of the opposite side.

Length, 8 mm.; width, 2.25 mm.

Female—Differs from the male in having the front of head
slightly wider, the surface more coarsely punctate and less densely
pubescent; tibiae unarmed at apex; posterior tarsi shorter; pro-
sternum more sparsely punctured, and the second abdominal seg-
ment not grooved at the middle.

Redeser ied from the male type in the collection of the Connecticut
Agricultural Experimental Station, at New Haven, Conn.

Type locality—Lyme, Conn.

DISTRIBUTION

CoNNEcTIcUT: Lyme (reared, A. B. Champlain, H. B. Kirk, W. S. Fisher).

New York: Hudson Falls (——.).

PENNSYLVANIA: Harrisburg, June 16 (H. B. Kirk). Dromgold (Sanders and
Champlain). York County; Cedar Run; Stephenstown; Perry County
(reared, J. N. Knull).

WEsT VirGINIA: French Creek (reared, F. BE. Brooks).

NORTH AMERICAN BUPRESTID BEETLES 29

Variations —Length 7 to 8 millimeters. The coloration is rather
uniform on the specimens examined, but in some examples the
pronotum is widest at the middle, with the sides regularly rounded
from the apical angles to the base, whereas in other examples the
pronotum is widest near the apical third, and the sides are more
obliquely narrowed posteriorly. The depressions on the pronotum
are also quite variable, usually the two anterior ones are deep and
distinct, but occasionally these depressions are entirely absent.

Host.—Makes galls or conspicuous swelling on the twigs and small
branches of living ironwood (Ostrya virginiana (Miller) Koch.)

6. AGRILUS RUFICOLLIS (Fabricius)

Figure 4

Buprestis ruficollis Fasrictus, Mant. Ins., vol. 1, 1787, p. 184, no. 85.—
GMELIN, Linnaeus, Syst. Nat., 13 ed., vol. 1, pt. 4, 1788, p. 1937, no.
96.—OLIvIER, Entomol., vol. 2, gen. 32, 1790, no. 106, p. 78, pl. 9, fig. 101;
Hne. Methead., vol. 5, 1790, p. 238, no. 129.—Fasricius, Ent. Syst., vol.
1, pt. 2, 1792, p. 214, no. 121; Syst. Eleuth., vol. 2, 1801, p. 213, no.
152.—_Hersst, Nat. Syst. Ins. Kafer, vol. 9, 1801, pp. 249-250, pl. 155,
figs. 9a, 9b (identification?) —MELSHEIMER, Cat. Ins. Penna., 1806, p.
46, no. 1026.—ScHONHERR, Syn. Ins, vol. 1, pt. 3, 1817, p. 260, no. 243.—
Sturm, Catal. Ins. Sammlung, 1826, p. 105.

Buprestis (Teres) ruficollis (Fabricius) Harris, New England Farmer, vol.
8, ser. 1, 1829, p. 2-8 (new subgenus).

Agrilus ruficollis (Fabricius) DrsEAN, Cat. Coleopt., 2 ed. 1833, p. 82;
ed. 3, 1837, p. 98.—Say, Trans. Amer. Philos. Soc., vol. 6, new ser.,
1836, pp. 161-162. MANNERHEIM, Bull. Soc. Imp.. Nat. Moscou, vol. 10,
no, 8, 1837, p. 109.—CasTELNAU and Gory, Mon. Bupr., vol. 2, 1838,
Agrilus, pp. 60-61, pl. 138, fig. 78, addenda p. 7—ERIcHSoN, Wiegmann
Arch. fiir Naturg., vol. 2, 1840, p. 240.—Srourm, Catal. Kiifer Sammlung,
1848, p. 68.—HALDEMAN, Amer. Quart, Journ. Agric. and Sci., vol. 4,
no. 8, 1846, pp. 300-301, fig. —; Trans. N. Y: State Agric. Soe. for 1846,
voi. 6, 1847, p. 378, fig. 1—WuHitr, Nomenclature Coleopt. Ins. in Brit.
Mus., pt. 3, 1848, p. 37.—LxeConts, Proc. Acad. Nat. Sci. Phila., vol. 9,
1857, p. 9: Say’s Writings, vol. 2 (Bailliére Bros. ed. 1859 ; “Cassino
and Co., ed. 1883), p. 595; Trans. Amer. Philos. Soc., vol, 11, new ser.,
1859, p. 248.—Gtover, U. S. Dept. Agric. Rept. for 1868 (1869), p.
92, fig, 101——Rivey, Amer. Hnt., vol. 2, 1870, p. 128, fig. 90—WatsH
and Ritry, Amer. Ent., vol. 2, 1870, pp. 103-104, figs. 68-69.—Perrir,
Canad. Mnt., vol. 2, 1870, p. 102.—Le Baron, Prairie Farmer, vol. 42,
1871, p. 122.—GLovrEr, Rept. U. S. Comm, Agric. for 1870 (1871), p.
67, fig. 7—CroreH, Proe, Acad. Nat. Sci. Phila., vol. 25, 1873, p. 92.—
SAUNDERS, Rept. Ent. Soe. Ontario for 1873 (1874), p. 8, figs. 2+—LeE
3ARON, 4th Ann. Rept. Ins. Illinois, 1874, pp. 94, 96—THomas, 6th
Rept. [lliinois State Ent., 1877, pp. 114-115——Pererxins, 4th Rept. Ver-
mont Board Agric., 1877, p. 153.—HorrMeEIstTer, Ann. Rept. Iowa State
Hort. Soc. for 1877 (1878), p. 244—Gtover, Ulustr. N. Amer. Ent.,
1878, Coleopt., pi. 11, fig. 4; pl. 41, fig. 9 (no text).—ScHwarz, Proc.
Amer. Philos. Soc., vol. 17, 1878, p. 452—Hupsarp and ScHwaArz, Proc.
Amer. Philos. Soc., vol. 17, 1878, p. 656.—LintNeErR, Cultivator and

BULLETIN 145, UNITED STATES NATIONAL MUSEUM

Country Gentleman, vol. 45, 1880, p. 215.—ZescHe and REINECKE,
North Amer. Ent. (Buffalo, N. Y.), vol. 1, 1880, p. vii.—IFULLER, Amer.
Ent., vol. 3, 1880, p. 91, figs. 27-29.—Ritry, Amer. Ent., vol. 3, 1880, p.
107.—TREAT, Injurious Insects of Farm and Garden, 1882, p. 213, figs.
132-133.—Saunpers, Ins. Injurious to Fruit, 1883, pp. 307-3808, figs.
316-318.—Harrineron, 14th Rept. Wnt. Soc. Ontario for 1883 (1884), p.
44.—Horn, Trans. Amer. Ent. Soc., vol. 13, 1886, p. 187.—WickHam,
Bull. Lab. Nat. Hist., State Univ. Iowa, vol. 1, no. 1, 1888, p. 87—
BLANCHARD, Entomol. Amer., vol. 5, 1889, p. 32.—HarriIneTon, 20th
Rept. Ent. Soe. Ontario for 1889 (1890), p. 51, fig. 31.—Linrner, 43d
Rept. N. Y. State Mus. Nat. Hist., 1890, pp. 123-125, fig. 13—Coox,
29th Rept. Mich. Board Agric., 1890, p. 119.—Luecrr, Ann. Rept. Minn.
State Hort. Soc. vol. 18, 1890, pp. 169-170, figs. 1-2—Hopxins, 3d
Ann. Rept. W. Va. Agric. Exp. Sta., 1890, pp. 160-1638, pi. 12; Insect
Life, vol. 3, 1890, pp. 19-20; W. Va. Agric. Exp. Sta., Bull, 15, 1891,
pp. 81-84, pl. 1; Insect Life, vol. 3, 1891, p. 485—Horn, Trans. Amer.
Ent. Soc., vol. 18, 1891, pp. 289-290, pl. 8, figs. 12, 15—Smitn, N. J.
Agric. Exp. Sta., Special Bull. N. 1891, pp. 4-8, figs. 1-2; Insect Life, ‘vol.
4, 1891, pp. 27-29, 282; vol. 5, 1892, p. 95; 22d Rept. Hnt. Soc. Ontario
for 1891 (1892), pp. 52-54, figs. 10-11; Garden and Forest, vol. 5,
no. 252, 1892, p. 491—Hausen, Canad. Record Sci., vol. 5, 1892, p.
52.—LAURENT, Ent. News, vol. 3, 1892, p. 37.—Manrten, Prairie Farmer,
vol. 64, no. 52, 1892, p. 828, fig —Wexpstrer, Ohio Agric. Exp. Sta., Bull.
45, 1892, pp. 191-198, figs. 15-17—KerrRrREMANS, Mem, Soc. Ent. Belg.,
no. 1, 1892, p. 271.—Horxins, Insect Life, vol. 4, 1892, p. 257.—Town-
SEND, Canad. Ent., vol. 25, 1898, p. 202.—McCartuy, N. Car. Agric. Exp.
Sta., Bull. 92, pt. 2, 1898, p. 129—Hamitton, Canad. Mnt., vol. 25, 1893,
pp. 274, 326—Smiru, Rept. N. J. Agric. Exp. Sta. for 1892 (1898),
pp. 456-459, fig. 28; Rept. N. J. Agric. Exp. Sta. for 1893 (1894), pp.
544-545, figs. 109-110.—Wesstrer, Ohio Farmer, vol. 85, 1894, p. 357,
figs. 4-5; Insect Life, vol. 7, 1894, p. 203; Ohio Agric. Exp. Sta., Bull.
58, 1895, pp. 29-80.—Davis, Proc. Mich. Hort. Soc. for 1894 (1895), p.
$2, fig—HAmitton, Trans. Amer. Ent. Soc., vol. 22, 1895, pp. 324,
364.—ComsTock, Manual of Insects, ed. 1 (1895); ed. 2 (1897), p.
550, fig. 664.—LInTNER, 48th Rept. N. Y. State Mus. Nat. Hist., 1895,
pp. 406-407, fig. 8—CasTLeE and Laurent, Ent. News, vol. 7, 1896, p.
303; vol. 8, 1897, p. 8—Harrineton, 27th Rept. Ent. Soc. Ontario for

*1896 (1897), p. 71, figs. 73-74.—LueerR, Minn. Agric. Exp. Sta., Bull.

66, 1899, pp. 142-145, figs. 65-66; 5th Ann. Rept. Minn. Agric. Exp. Sta.,
1899, pp. 58-61, figs. 65-66.—SmiTH, 27th Rept. N. J. State Board Agric.
for 1899 (1900), suppl. p. 256, figs. 103-104—CuirrenpEN, U. S. Dept.
Agric., Div. Ent., Bull. 22, new ser., 1900, p. 68.—Ietr, N. Y. State
Mus., vol. 8, no. 37, 1900, p. 14, fig. 15; N. Y. State Mus., Bull. 53, 1902,
pp. 839, 874.—ULkgE, Proc. U. S. Nat. Mus., vol. 25, no. 1275, 1903, pp.
21, 47—Youne, N. Y. State Mus., Bull. 64, 1903, p. 157—Cuirrenpen,
Yearbook U. S. Dept. Agric. for 1902 (1908), p. 731—Youne, 18th
Rept. N. Y. State Hnt. for 1902 (1908), p. 157.—Suerman, Bull. N.
Car. State Board Agric., vol. 24, No. 6, 1903, pp. 27-28, figs. 14-15.—
Pettit, Mich. Agric. Exp. Sta., Bull. 24, 1904, p. 30, figs. 27-28.—
LockHEAD, 34th Rept. Ent. Soc. Ontario for 1903 (1904), p. 74, fig. 36.—
WASHBURN, Minn. Agric. Exp. Sta., Bull. 88, 1904, p. 51, fig. 31.—
Gossarp, Ohio Agric. Exp. Sta., Bull. 164, 1905, p. 24—NicHotson, Okla.
Agric. Exp. Sta., Bull. 69, 1905, pp. 15-16.—SLingEeRLaNnp, Cornell Agric.

NORTH AMERICAN BUPRESTID BEETLES 31

Exp. Sta., Bull. 234, 1906, p. 75.—Jarvis, 37th Rept. Ent. Soc. Ontario
for 1906 (1907), p. 66—BrErTHUNE, 38th Rept. Ent. Soc. Ontario for
1907 (1908), p. 97, figs. 30-31.—WickuHaM, Bull. Lab. Nat. Hist., State
Univ. Iowa, vol. 6 (authors ed.), 1909, p. 28; Bull. Buffalo Soc. Nat.
Sci., vol. 9, 1909, p. 401.—WHasron, Psyche, vol. 16, 1909, p. 50.—
‘BLATCHLEY, Coleoptera of Indiana, 1910, p. 798, figs. 307-308.—Smiru,
Rept. N. J. State Mus. for 1909 (1910), p. 294, figs. 112-113.—H1rcH-
INGS, 5th Rept. State Ent. Maine for 1909 (1910), p. 4.—Gossarp, Ohio
Agric. Exp. Sta., Bull. 233, 1911, p. 146—-TreHERNE, 42d Rept. Ent.
Soc. Ontario for 1911 (1912), p. 24.—Carsar, 42d Rept. Ent. Soc.
Ontario for 1911 (1912), p. 381—Sanprrson, Insect Pests, 1912, pp.
466-468, figs. 3385-336—Dran and Prairs, Kans. Agric. Educ., vol. 6,
no. 2, 1918, pp. 112-1138, fig. 109—Manrn, Ent. News, vol. 24, 1918, p.
170.—MoorE, Minn. State Ent., Cire. 29, 1914, pp. 1-4, fig.—Brooxs,
U. S. Dept. Agric., Journ. Agric. Research, vol. 3, no. 2, 1914, p. 184.—
SLINGERLAND and Crossy, Manual Fruit Insects, 1914, pp. 332-3338,
figs. 290—-293.—O’K ang, Injurious Insects, 1914, p. 244, figs. 320-322.—
Somgs, Mo. State Fruit Exp. Sta., Bull. 25, 1915, pp. 14-15.—Grant,
45th Rept. Ent. Soc. Ontario for 1914 (1915), p. 16—Jounson, Ent.
News, vol, 26, 1915, p. 312.—Marcoyircn, Minn. Insect Life, vol. 3, no.
9, 1916, p. 5—Batpwin, 8th Rept. State Ent. Indiana, 1916, p. 158.—

e Nicotay, Bull. Brooklyn Ent. Soc., vol. 12, 1917, p. 98.—Carsar, 47th
Rept. Ent. Soc. Ontario for 1916 (1917), p. 108.—CHagNon, 9th Rept.
Quebee Soc. Protection Plants, suppl. pt. 3, 1917, p. 219.—LowTHrkr,
Gem State Rural and Idaho Farmer, vol. 24, no. i4, 1918, p. 13.—F ext,
N. Y. State Mus., Bull. 200, 1918, p. 142—Granam, Minn. State Ent.,
Cire. 50, 1918, p. 5, fig. 5—WasuHpurRN, Injurious Insects, 1918, pp.
139-140, fig. 158——CuHirrenpren, Journ. EHeon. Ent., vol. 11, 1918, p.
456.—BLACKMAN, N. Y. State College Forestry, Tech. Bull. 10, pt. 2,
1918, p. 124——RueeLres and GRAHAM, Minn. Agric. Exp. Sta., Spec.
Bull. 29, 1918, pp. 28-29, fig—Nticotay, Bull. Brooklyn Ent. Soce., vol.
14, 1919, p. 19.—Brirron, Conn. State Geol. and Nat. Hist. Survey, Bull.
31, 1920, p. 245.—FLuKn, Journ. Wise. Horticulture, vol. 10, 1920, p.
186, fig—FKrost and Wetss, Canad. Ent., vol. 52, 1920, pp. 204-205.—
JONES, Wis. State Dept. Agric., Bull. 33, 1920, p. 157; 50th Rept. Wis.
State Hort. Soc., 1920, p. 149.—Sanprrson, Insect Pests, 2d ed., 1921,
pp. 409-410, figs. 344-45-—_CHITTENDEN, U. S. Dept. Agric., Farmer Bull.
1286, 1922, pp. 1-5, figs. 1-5.—-MutTcuire and Wetss, N. J. Dept. Agric.
Bur. Statistics and Inspection, Cire. 48, 1922, pp. 10-11, figs. 6-7.—
KNUuLL, Canad. Hnt., vol. 54, 1922, p. 84.—Scnott, Texas Dept. Agric.,
Bull. 72, 1922, p. 80.—Hurcnines, 538d Rept. Ent. Soc. Ontario, 1923,
pp. 438-45, figs—Russe_t and Morrison, Wisc. Agric. Exp. Sta., Bull.
352, 1923, pp. 73-74, figs. 86-37—Munpinerr, N. Y. State College
Forestry, Tech. Bull. 17, pt. 14, 1924, p. 316—Comstock, Introduction
to Hntomology, 1925, p. 503, fig. 601—CuHarin, U. S. Dept. Agric., Bull.
1355, 1925, p. 83—KNULL, Ohio State Univ. Studies, vol. 2, no. 2, 1925,
p. 39.—CHAMBERLIN, Cat. Buprestidae, 1926, pp. 80-81.

Male——Elongate and rather slender; head and pronotum cupre-
ous or aeneous, and feebly shining; scutellum and elytra subopaque,
black, and sometimes with a feeble bluish tinge; beneath uniformly
black, and more shining above.

oo BULLETIN 145, UNITED STATES NATIONAL MUSEUM

Head with the front wide, nearly flat, slightly wider at top than
bottom, the lateral margins feebly expanded from bottom to top,
and with a broad, deep, longitudinal depression extending from the
occiput to epistoma, the depression deepest on the vertex; surface
coarsely, sparsely punctate on the front, becoming coarsely rugose
on the vertex and occiput, and sparsely clothed behind the epistoma
with a few short, semierect, whitish hairs; epistoma rather narrow
between the antennae, a broad, deep, arcuate emargination at the
middle, and with the anterior margin transversely truncate on each
side of the emargination; antennae extending beyond middle of
pronotum, serrate from the fourth joint, and the outer joints as
wide as long; eyes large, strongly elongate, and about equally
rounded above and beneath.

Pronotum nearly one-half wider than long, slightly narrower at
base than apex, and widest at apical third; sides freely arcuately
rounded from apical angles to basal third, then obliquely narrowed
to the posterior angles, which are rectangular; when viewed from
the side, the marginal and submarginal carinae are rather strongly
sinuate, narrowly separated anteriorly, and connected to each other
near the base; anterior margin strongly sinuate, with the median
lobe broadly rounded; base feebly emarginate at middle of each
elytron, and the median lobe broadly truncate in front of scutellum ;
disk moderately convex, with a rather deep, transverse, concave
depression on basal half, a very broad, deep depression along the
lateral margin at middle, and without any trace of prehumeral
carina; surface coarsely, densely, transversely rugose, and with
numerous fine punctures between the rugae. Scutellum strongly,
transversely carinate, and the surface finely reticulate.

Elytra slightly wider than pronotum at base, about equal in width
at base and apical third, rather deeply, broadly, arcuately con-
stricted in front of middle, and arcuately narrowed from apical
third to the tips, which are separately, broadly rounded, and strongly
serrulate; sides of abdomen slightly exposed above; disk slightly
flattened, sutural margins strongly elevated posteriorly, with broad,
deep basal depressions, and without trace of longitudinal costae;
surface densely, finely granulate-punctate.

Abdomen beneath coarsely punctate, and finely granulose on the
basal segment, becoming sparsely, finely punctate toward the apex,
the punctures connected transversely by fine, sinuate lines, and
sparsely clothed with very short, whitish hairs; first segment broadly,
longitudinally concave at middle, second with a moderately broad,
deep, smooth groove at the middle, the groove slightly wider anteri-
orly, and extending from the anterior margin to behind middle of
segment; vertical portions of segments sparsely pubescent; pygidium
coarsely punctate, with the median carina strongly elevated, narrow,

NORTH AMERICAN BUPRESTID BEETLES 33

slightly projecting, and truncate at apex. Prosternum sparsely,
coarsely punctate, finely granulose, and sparsely clothed with short,
recumbent, whitish hairs; prosternal lobe rather narrow, strongly
declivous, and broadly rounded in front; prosternal process broad,
the sides feebly narrowed to behind the coxal cavities, then more
abruptly narrowed to the apex, which is acute. Posterior coxae with
the posterior margin broadly, arcuately emarginate, and the exterior
angle nearly rectangular. Tibiae slender, straight, the anterior and
middle pairs armed with a distinct, short tooth on the inner margin
at apex. Posterior tarsi distinctly shorter than the tibiae, and the
first joint as long as the following three joints united. Tarsal claws
similar on all feet, cleft near the middle, the outer tooth acute at apex,
the inner one slightly broader, turned inward and the tip sometimes
touching that of the opposite side.

Female.—Differs from the male in having the front of head
broader, more cupreous, and the surface more finely punctate; elytra
shghtly wider at apical third than at base; tibiae unarmed at apex;
prosternum more sparsely punctate, the first two abdominal segments
not grooved at the middle, and the surface smoother.

Length, 4-7 mm.; width, 1.25-2 mm.

Type locality —* America.” Present location of type unknown to
writer.

Distribution—This species has a wide distribution, being found in
eastern Canada (Quebec, Ontario), and covering the entire eastern
half of the United States. Material has been examined from various
localities in the following States: Alabama, Arkansas, Connecticut,
District of Columbia, Delaware, Florida, Illinois, Indiana, Iowa,
Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts,
Michigan, Minnesota, Mississippi, Missouri, Nebraska, New Jersey,
New York, North Carolina, Ohio, Oklahoma, Pennsylvania, Rhode
Island, South Carolina, Tennessee, Texas, Vermont, Virginia, West
Virginia, and Wisconsin.

Variations —The species is remarkably constant except in size and
color. The pronotum is usually reddish cupreous, but varies to
green, aureous or aeneous, and rarely specimens are found in which
this part is very dark or nearly black. The elytra are usually black,
but occasionally a specimen will show a feeble bluish tinge.

Host.—Attacks all varieties of blackberry, raspberry, and dew-
berry (ubus spp.) both wild and cultivated, causing elongate swell-
ings or galls on the canes, and frequently doing considerable damage
to cultivated varieties. It has been reported as breeding in rose,
which is somewhat doubtful, and Chamberlin (1926) records it from
willow (Salix sp.) and oak (Qwercus sp.), but these last two hosts
are probably recorded from wrongly identified specimens.

34. BULLETIN 145, UNITED STATES NATIONAL MUSEUM

This is the best known species of Agrilus found in North America,
and is commonly known as the “raspberry gouty gall beetle” and the
“red-necked raspberry cane borer.” Herbst’s (1801) figure is mis-
leading, if indeed it can be intended for this species at all. Harris:
(1829) placed this species in his new subgenus Z’eres.

7. AGRILUS LATERALIS (Say)
Figure 5

Buprestis lateralis Say, Journ. Acad. Nat. Sci. Phila., vol. 3, pt. 1, 1823,
p. 159.

Agrilus lateralis Say, Trans. Amer. Philos. Soec., new ser., vol. 6, 1836,
p. 162.—LeContr, Trans. Amer. Philos. Soc., new ser., vol. 11, 1859,
p. 250; Say’s Writings, vol. 2 (Bailliére Bros., ed. 1859; Cassino and
Co., ed. 1883), pp. 108, 596.—THomas, 6th Rept. Ili. State Entomol,
1877, p. 114 (probably wrong identification).—Horn, Trans. Amer. Wat.
Soe., vol. 18, 1891, pp. 290-291.—Smiru, 27th Ann. Rept. N. J. State
Board Agric. for 1899 (1900), suppl. p. 256.—CHITrENDEN, U. S. Dept.
Agric. Div. Ent., Bulls 22, new ser., 1900, p. 68.—WickHaAM, Bull. Lab.
Nat. Hist., State Univ. Iowa, vol. 5, no. 3, 1902, p. 269 (probably wrong
identification )—ScHAEFFER, Brooklyn Inst. Mus., Sci. Bull. vol. 1,
no. 7, 1905, p. 150.—F ALL and CocKERELL, Trans. Amer. Ent. Soc., vol.
33, 1907, p. 180 (identification?).—BLATCHLEY, Coleoptera of Indiana,
1910, p. 798.—SmirH, Ann. Rept. N. J. State Museum for 1909 (1910),
p. 294.—Gipson, 43rd Ann. Rept. Ent. Soc. Ontario for 1912 (1918),
p. 126 (separate, page 14).—Frosr, Canad. Ent., vol. 47, 1915, p. 144.—
JOHNSON, Ent. News, vol. 26, 1915, p. 312.—Somes, Mo. State Fruit
Exp. Sta., Bull. 25, 1915, p. 14 (probably wrong identification. )—
Nicotay, Bull. Brooklyn Ent. Soc., vol 14, 1919, p. 19.—KF Rost and
Wetss, Canad. Ent., vol. 52, 1920, p. 205—Frost, Canad. Ent., vol. 52,
1920, p. 249.—Brirron, Conn. State Geol. and Nat. Hist. Survey, Bull.
31, 1920, p. 244—MurcHLrer and Weiss, N. J. Dept. Agric., Bureau of
Statistics and Inspection, Cire. 48, 1922, p. 9—FisHer, Proc. Ent. Soe.
Wash., vol. 24, 1922, pp. 124-125.—_KNuLL, Canad. Ent., vol. 54, 1922,
p. 84.—BLatTcHLey, Canad. Ent., vol. 55, 1928, p. 18—KNuLL, Ohio State
Univ. Studies, vol. 2, no. 2, 1925, p. 389.—CHAMBERLIN, Cat. Buprestidae,
1926, p. 68 (in part).

Agrilus sayi SAUNDERS, Cat. Buprestidarum, 1871, no. 393, p. 126 (name
unnecessary as lateralis is not preoccupied).

Male.—¥ orm of ruficollis, rather strongly shining, head, pronotum
and scutellum aeneo-cupreous, and the elytra piceous; beneath
aeneous, with a strong cupreous refiection.

Head with the front wide, nearly flat, slightly wider at top than
at bottom, the lateral margins feebly, obliquely expanded from bot-
ton to top, and with a broad, longitudinal depression extending from
the occiput to epistoma, the depression becoming obsolete near the
epistoma; surface feebly, coarsely rugose, rather densely, coarsely
punctate, and very sparsely clothed with short, whitish hairs; epis-
toma rather narrow between the antennae, and broadly, feebly,

NORTH AMERICAN BUPRESTID BEETLES 35

arcuately emarginate in front; antenne scarcely extending to middle
of pronotum, serrate from the fourth joint, and the outer joints
about as wide as long; eyes large, and about equally rounded above
and beneath.

Pronotum two-fifths wider than long, base and apex about equal
in width, and widest in front of middle; sides arcuately rounded from
apical angles to basal third, then obliquely narrowed to the posterior
angles, which are rectangular; marginal and submarginal carinae
when viewed from the side are strongly sinuate, the carinae narrowly
separated anteriorly, and connected to each other at the basal fourth;
anterior margin feebly sinuate, with a broadly rounded median lobe;
base deeply emarginate at middle of each elytron, the median lobe
broadly rounded, and subtruncate in front of the scutellum; disk
moderately convex, with two round depressions arranged longi-
tudinally at the middle, the anterior one only feebly indicated, a
rather deep, oblique depression along lateral margins near middle,
a small, round depression near posterior angles, and with or without
distinct, short prehumeral carinae; surface coarsely, densely rugose,
rather densely punctate, and sparsely clothed with short, incon-
spicuous, whitish pubescence, which is slightly denser and longer
in the lateral depressions. Scutellum strongly, transversely carinate,
and the surface feebly reticulate.

Elytra slightly wider than pronotum at base and slightly narrower
at base than at apical third; sides nearly parallel behind humeri,
broadly, arcuately constricted in front of middle, broadly, arcuately
expanded at apical third, then obliquely attenuate to the tips, which
are separately, broadly rounded, and distinctly irregularly serrulate ;
sides of abdomen broadly exposed above; disk slightly flattened,
feebly, longitudinally depressed along suture, which is slightly ele-
vated posteriorly, and with broad, deep basal depressions; surface
finely, densely granulate-punctate, and sparsely, uniformly clothed
with short, recumbent whitish hairs.

Abdomen beneath fnely, rather densely punctate on the apicat
segments, but becoming coarsely punctate and transversely rugose on
the basal segments, and sparsely clothed with short, recumbent,
whitish pubescence; first segment broadly flattened at the middle,
second with a deep, nearly smooth groove at the middle, the groove
slightly wider anteriorly, and extending from the anterior margin
to behind middle of segment; vertical portions of the segments
densely clothed with long, recumbent, yellowish white pubescence;
pygidium coarsely punctate, with the median carina strongly ele-
vated, strongly projecting, and truncate at apex. Prosternum
coarsely, sparsely punctate and rather densely clothed with moder-
ately long, semierect, whitish hairs; prosternal lobe strongly decliv-

36 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

ous, and broadly rounded in front; prosternal process broad, the
sides parallel to behind the coxal cavities, then abruptly narrowed
to the apex, which is acute. Posterior coxae with the posterior
margin broadly, arcuately emarginate, and the exterior angle nearly
rectangular. Tibiae slender, anterior and middle pairs slightly
arcuate, and armed with a short tooth on the inner margin at apex.
Posterior tarsi distinctly shorter than the tibiae, and the first joint
as long as the following three joints united. Tarsal claws similar
on all feet, cleft near middle, the outer tooth acute at apex, the inner
one broader, shorter, and turned inward.

Length, 7.5 mm.; width, 2 mm.

Female——Differs from the male in being usually larger and more
robust; front of head more cupreous; antennae and posterior tarsi
shorter; prosternum more finely punctate; tibiae unarmed at apex;
first two abdominal segments convex, and the second without a deep
depression at middle.

Redescribed from a male collected on bayberry (Myrica carolinen-
sis) at Lyme, Connecticut, by the writer. Since the type of this
species is lost, I am designating this specimen as the neotype, and
depositing it in the United States National Museum collection.

Type locality.—* Missouri.”

DISTRIBUTION
Material examined:

CoNNECTICUT: Lyme, June-July (reared, Fisher, Champlain). Orange, June
(Zappe, Walden). Hamden, June (Zappe). Salem. July (Foote). North
Haven, July (Walden). New Haven, June (Zappe, Walden). Meriden,
June 11 (Johnson).

Fiorina: Istokpoga (Blatchley).

MAsSAcHUSETTS: Tynsboro ( De

New JERSEY: Buena Vista, June (Liebeck).

New York: Albany; Pennyquid Barrens, L. I., July 8 (——).

PENNSYLVANIA: Cedar Run, July 12; Bear Meadows, July 5; Charter Oak,
July 4 (J. N. Knull).

Also recorded from the following localities:

CoLtorapo: Colorado Springs (H. F. Wickham) (identification?).

Fioripa: St. Augustine, April 21 (Johnson).

ILLINoIs: Southern part (Thomas) (identification?).

MAINE: Wales, June 23 (C. A. Frost).

Missouri: (Say) (Somes).

New JeRsEY: Eagle Rock (Bischoff). West Berlin, June 25 (Boerner).
Browhs Mills and Lacy, July (Daecke). Atco, June 3 (Liebeck). Lake-
hurst, June (Nicolay). South Jersey (Wenzel). = ;

New Mexico: (Ulke, Fall, and Cockerell) (identification?).

New York: Staten Island; Buffalo, June (Leng). Half-Way-Hollow Hills,
July 2; Yaphank, June (Davis). Bellport, July (Nicolay). Queens, July
(Frost). Massapequa. July (Shoemaker).

Nova Scorra: Port Midway and Greenfield, July (Bolster).

NORTH AMERICAN BUPRESTID BEETLES aE

Variations —Size 6 to 9 millimeters in length. The coloration is
rather constant in this species, although the pronotum shows a slight
variation from bronzy cupreous to reddish cupreous. The median
depression on the pronotum is slightly variable in depth, and in
some examples of both sexes there is a vague indication of pre-
humeral carine, but these are not sufficiently distinct to be placed
with the species having prehumeral carine.

Host—Larvae live near the base of living bayberry (Myrica caro-
linensis Miller) and require two years to reach maturity (Fisher,
1922). This species has been recorded by Somes (1915) as living
in the young twigs of apple in Missouri, but these specimens have
been probably wrongly identified. Knull (1922) collected the adults
in numbers on sweet fern (Comptonia peregrina (Linnaeus) Coul-
ter), and since the sweet fern is closely allied to bayberry, indicates
that this plant is also the host of this species. The adults have been
recorded on poplar sprouts by Horn (1891) and on white and post
_ oak by Thomas (1877), but the Jarvae probably do not live in these
trees.

This species is closely allied to ruficollis Fabricius, and may be
confused with that species in some collections. It can, however, be
easily separated from that species, since the front of the head is
only feebly depressed, the elytra piceous and uniformly clothed with
short pubescence, and the underside of the body is aeneous or
cupreous, whereas in ruficollis the head is deeply depressed in front,
the elytra and body beneath black, and the elytra are without distinct
pubescence.

8. AGRILUS OBTUSUS Horn

Figure 6

Agrilus obtusus Horn, Trans. Amer. Ent. Soc., vol. 18, 1891, p. 288.—CHam-
BERLIN, Cat. Buprestidae, 1926, p. 73.
Male—Elongate, robust, opaque, uniformly eneous, with a more
or less distinct cupreous tinge; beneath more shining than above.
Head with the front wide, feebly convex, slightly wider at top than
at bottom, the lateral margins feebly, arcuately expanded at middle,
and with a rather deep, broad depression extending from occiput to
epistoma, the depression narrowly, longitudinally grooved on the
occiput; surface densely, coarsely’ punctate, coarsely rugose, and
sparsely clothed with long, recumbent, whitish hairs; epistoma rather
narrow between the antennae, broadly, arcuately emarginate in front,
and the anterior margin transversely truncate on each side of the
emargination; antennae short, extending to about apical third of
pronotum, serrate from the fourth joint, and the outer joints wider
than long; eyes large, and equally rounded above and beneath.

38 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

Pronotum one-fourth wider than long, wider at base than apex,
and widest at the base; sides slightly rounded behind apical angles,
then nearly parallel to posterior angles, which are slightly expanded ;
when viewed from the side the marginal carina is feebly sinuate,
the submarginal carina straight, the two carinae rather widely sepa-
rated anteriorly, and connected to each other near the base; anterior
margin feebly sinuate, with the median lobe obsoletely rounded; base
transversely truncate to middle of each elytron, then broadly rounded
to the scutellum, in front of which it is broadly subtruncate; disk
strongly convex, with a broad, deep, concave, median depression ex-
tending from base to near the anterior margin, the depression much
deeper posteriorly, a broad, deep depression on each side along lateral
margin, and without distinct prehumeral carinae; surface coarsely,
densely, and irregularly rugose, coarsely, densely punctate between
the rugae, and sparsely clothed in the depressions with long, recum-
bent, yellowish pubescence. Scutellum depressed, not transversely
carinate, and the surface somewhat rugose.

Klytra slightly narrower than pronotum at base, slightly wider at
base than at apical third, rather deeply, broadly, arcuately con-
stricted in front of middle, and obliquely attenuate from apical third
to the tips, which are separately, broadly rounded, and obsoletely
serrulate; sides of abdomen very broadly exposed above; disk
slightly flattened, feebly, broadly concave along the sutural mar-
gins, and with broad, shallow basal depressions; surface finely,
densely granulate-punctate, more or less rugose, and sparsely clothed
with short, recumbent, whitish pubescence.

Abdomen beneath finely punctate at middle, more coarsely and
densely at the sides and on first segment, the punctures connected
transversely by sinuate lines, rather densely clothed with recumbent
yellowish white pubescence, and the lateral margin entirely obliter-
ated on the first two segments; first segment convex, not depressed
or densely pubescent at middle; vertical portions of the segments
not conspicuously pubescent; pygidium coarsely punctate, with a
median carina, which is not projecting. Prosternum coarsely,
clensely rugose, and rather densely clothed with long, erect, white
hairs at the middle; prosternal lobe wide, strongly declivous, and
broadly subtruncate in front; prosternal process broad, the sides
parallel to behind the coxal cavities, and obtusely rounded at apex.
Posterior coxae with the posterior margin broadly, arcuately emar-
ginate, and the exterior angle rectangular. Tibiae slender, the an-
terior and middle pairs feebly arcuate, and not distinctly armed
with a tooth at apex. Posterior tarsi distinctly shorter than the
tibiae, and the first joint as long as the following two joints united.

NORTH AMERICAN BUPRESTID BEETLES 39

Tarsal claws similar on all feet, cleft near the middle, the teeth acute
at tips, about equal in length, and the inner ones turned inward.

Length, 9.5 mm.; width, 2.75 mm.

Female——Unknown.

Redescribed from the lectotype No. 3474 in the collection of the
Academy of Natural Sciences, Philadelphia.

Type locality —Texas, probably near the lower Rio Grande.

Distribution—This species is rare in collections, as only three
specimens have been seen by the writer, two from the type locality
in the collection of the Academy of Natural Sciences, Philadelphia,
and one in the United States National Museum, from New Braunfels,
Tex., collected November 17, 1895, by H. Soltau. Chamberlin
(1926) records a specimen in the Wenzel collection from Chisos, Tex.,
collected July 20.

Variations—None worthy of note has been observed in the speci-
mens examined.

Host.— Unknown.

9. AGRILUS DIFFICILIS Gory
Figure 7

Agrilus difficilis DrEsEAN, Cat. Coleopt., ed. 2, 1833, p. 82; ed. 3, 1837, p. 93
(no description ).—Gory, Mon. Bupr. Suppl., vol. 4, 1841, pp. 224-225,
pl. 37, fig. 215.—LreConter, Proc. Acad. Nat. Sci. Phila., vol. 9, 1857, p. 9;
Trans. Amer. Philos. Soc, vol. 11, new ser., 1859; pp. 244-245.—
CrotcH, Proc. Acad. Nat. Sci. Phila., vol. 25, 1873, pp. 92-93. HuBBarD
and ScHwakz, Proc. Amer. Philos. Soc., vol. 17, 1878, p. 656.—Horn,
Trans. Amer. Ent. Soe., vol. 18, 1891, pp. 287-288, pl. 8, fig. 8—KERRE-
MANS, Mem. Soc. Ent. Belg., no. 1, 1892, p. 255.—Hamiiton, Canad.
Ent., vol. 28, 1896, p. 263.—CHITTENDEN, U. S. Dept. Agric., Div. Ent.,
Bull. 22, new ser, 1900, p. 67.—BLATcHLEy, Coleoptera of Indiana, 1910,
p. 797—Frost and Wetss, Canad. Ent. vol. 52, 1920, p. 204——CHam-
PLAIN and KNULL, Canad. Ent., vol. 57, 1925, p. 113—-CHAMBERLIN,
Cat. Buprestidae, 1926, p. 58.

Agrilus occidentalis UH LER, Proc. Acad. Nat. Sci. Phila., vol. 7, 1855, p.
416.—Cook, 29th Rept. Mich. Beard Agric., 1890, p.. 119.

Male——Elongate and moderately shining; head green in front,
becoming purplish or blackish green on the occiput; pronotum, scu-
tellum, and elytra blackish green, with a distinct purplish reflection
in certain lights; beneath cupreous, and more shining than above.

Head with the front wide, flat, about equal in width at top and
bottom, the lateral margins arcuately expanded above the middle,
with a feeble, narrow, longitudinal groove on the occiput, a shallow.
transverse depression behind the epistoma, and a shallow, round
depression on each side behind the middle, the margins of these two
depressions strongly angulated anteriorly, forming the letter W at

40 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

the middle; surface coarsely punctate, slightly rugose, finely granu-
lose, and densely clothed with long, recumbent, yellow pubescence
behind the epistoma, the pubescence becoming sparser toward the
top; epistoma wide, transverse between the antennae, with a semi-
circular emargination in front, and the anterior margin teebly
rounded on each side of the @iiarginaizons antennae extending
slightly beyond middle of pronotum, serrate from the fourth joint,
and the outer joints about as wide as long; eyes very large, broadly
elongate. and slightly more acutely rounded above than beneath.

Pronotum one-third wider than long, slightly narrower at base
than apex, and widest near middle; sides feebly, arcuately rounded,
slightly more oblique posteriorly; when viewed from the side the
marginal carina is feebly sinuate, the submarginal carina straight,
the two carinae rather widely separated anteriorly, and connected
to each other near the base; anterior margin strongly sinuate, with
the median lobe broadly rounded; base deeply emarginate at middle
of each elytron, the median lobe very wide, and subtruncate in front
of scutellum; disk feebly convex, with a rather shallow, oblique
depression on each side along lateral margin, an obsolete depression
in front of scutellum, and with arcuate, obtusely rounded, pre-
humeral carinae, which are connected to the marginal carina near
the middle; surface densely, transversely rugose, finely, sparsely
punctate between the rugae, and sparsely clothed with recumbent,
yellowish hairs in the lateral depressions, Scutellum strongly,
transversely carinate, and the surface densely, finely reticulate.

Elytra slightly wider than pronotum at base, slightly wider at
base than just behind the middle; sides nearly parallel, feebly,
broadly arcuately constricted in front of middle, and obliquely at-
tenuate posteriorly to the tips, which are separately, broadly rounded,
and strongly serrulate; sides of abdomen broadly exposed above for
nearly their entire length; disk somewhat flattened, each elytron
with two feeble, longitudinal costae, and a rather deep, oblong basal
depression ; surface coarsely punctate, the punctures shallow, irregu-
larly distributed, becoming rather strongly imbricate toward the
apex, and clothed with a few inconspicuous hairs.

Abdomen beneath finely, densely punctate, and sparsely clothed
with whitish hairs on the median parts, coarsely imbricate or rugose
at sides of first segment, the other segments with a densely punctured
spot, densely clothed with recumbent yellowish pubescence on each
side near the anterior margin, and the lateral margin sometimes ob-
literated on the first two segments; first segment convex, not de-
pressed or densely pubescent at middle; vertical portions of the seg-
ments each with a densely clothed, yellow pubescent spot in front;

ygidium coarsely punctate, with a sharply elevated, median carina,

NORTH AMERICAN BUPRESTID BEETLES 4]

which is not projecting. Prosternum finely, densely granulate-
punctate, and densely clothed with fine, erect, silky white pubescence ;
prosternal lobe broad, feebly declivous, broadly rounded in front,
and with an acute emargination at the middle; prosternal process
broad, the sides parallel to behind the coxal cavities, and obtusely
rounded at the apex. Posterior coxae with the posterior margin
broadly, arcuately emarginate, and the exterior angle somewhat
acute. Tibiae slender, the anterior and middle pairs feebly arcuate,
and armed with a short tooth on the inner margin at apex. Posterior
tarsi as long as the tibiae, and the first joint as long as the following
three joints united. Tarsal claws nearly similar on all feet, cleft at
middle, the teeth acute at tips, about equal in length, and the inner
one turned inward.

Female.—Difters from the male in being more robust, front of head
broader, more cupreous, and the surface more coarsely punctured;
prosternum sparsely, coarsely punctate, and not pubescent at middle;
tibiae unarmed at apex, and the posterior tarsi shorter than the tibiae.

Length, 7-13 mm.; width, 1.4-3.5 mm.

Type locality—Ot difficilis, “ North America ”—present location
of type unknown to writer; of occidentalis, Evansville, Indiana.
Type in Museum of Comparative Zoology at Cambridge, Mass.

DISTRIBUTION

ARKANSAS: Marion County, May 29, 1897 ( Ye

CoLorapo: Cheyenne Wells, September 12, 1927 (S. C. McCampbell).

Intinois: Paxton, July 30, 1916, on honey locust (——). Decatur, June 13
(A. W. Lindsey).

InpIANA: Evansville (Uhler). Lafayette, June 23, 1917, bred from Prickly Ash
(J. J. Davis). Marion and Posey Counties. June 19-July 21 (Blatchley).

Iowa: No definite locality.

KANSAS: Douglas County (——).

Kentucky: Louisville (Soltau).

LovutIsiana: Tallulah, July 7, 1924 ( ).

MicuHican: Port Huron (Hubbard and Schwarz).

Missouri: No definite locality.

NEBRASKA: Lincoln, April 12, 1915, on honey locust (lL. M. Gates).

Onto: Cincinnati (Soltau). Columbus, July 431, breeding in dead honey
locust (J. N. Knull). Sandusky, July 6 (——).

TENNESSEE: Elmwood (Fenyes).

TeExAS: Dallas; Tedor (Leng).

Variations —This species is quite variable in size and color, and the
upper surface varying from a greenish to a reddish cupreous tinge
under certain conditions of light. In some examples the lateral
margin of the second abdominal segment is nearly obliterated,
whereas in others it is quite distinct. The tarsal claws are somewhat
variable in both sexes, the inner tooth is usually strongly turned
inward and nearly touching that of the opposite side, but occasionally

42 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

the tips are rather widely separated, and this is especially true of
the claws on the anterior feet, which are not quite as strongly turned
inward as those on the middle and posterior feet.

Hosts—It has been reared by J. J. Davis from Prickly Ash
(Xanthoxylum clavaherculis Linnaeus), and Champlain and Knull
(1925) records it breeding in dead Honey Locust (Gleditsia tria-
canthos Linnaeus). It has also been recorded by Uhler (1855) on
Willow (Salix sp.), but the larvae probably do not live in these trees.

10. AGRILUS CUPRICOLLIS Gory
Figure 8

Agrilus cupricollis DrsEAN, Cat. Coleopt., ed. 2, 1833, p. 82; ed. 3, 1887,
p. 93 (no description ).—Gory, Mon. Bupr. Suppl., vol. 4, 1841, pp. 240-
241, pl. 40, fig. 232—LeEContTs, Proc. Acad. Nat. Sci. Phila., vol. 9, 1857,
p. 9.—Horn, Trans. Amer. Ent. Soc. vol. 18, 1891, pp. 297-298.—
BLATCHLEY, Canad. Ent., vol. 51, 1919, p. 29.—Frost and Weiss, Canad.
Ent., vol. 52, 1920, p. 207—CHAMBERLIN, Cat. Buprestidae, 1926, p. 58.

Agrilus arcuatus LEConTE (not Say), Trans. Amer. Philos. Soe., vol. 11,
new ser., 1859, pp. 242—-248.—CrotcH, Proc. Acad. Nat. Sci. Phila., vol.
25, 1873, p. 92.—CHAMBERLIN, Cat. Buprestidae, 1926, pp. 51-52 (part).

Male—¥orm of rujicollis; head and pronotum shining, aureous
or cupreous, the head with a small triangular black space on occiput,
and pronotum with a similar black spot along anterior margin at
middle; elytra black, and subopaque; beneath black, with a slight
purplish tinge, and more shining than above.

Head with the front wide, feebly convex, slightly wider at top
than at bottom, the lateral margins obliquely expanded from bottom
to top, and with a rather narrow, very deep, longitudinal depression
extending from occiput to middle of front; surface coarsely, sparsely
punctate, more or less rugose, and clothed with a few short, erect,
whitish hairs behind the epistoma; epistoma not transverse between
the antennae, feebly, narrowly, arcuately emarginate in front, and
the anterior margin transversely truncate on each side of the emargi-
nation; antennae extending to about middle of pronotum, serrate
from the fourth joint, and the outer joints as wide as long; eyes
large, elongate, and equally rounded above and beneath.

Pronotum about three-sevenths wider than long, slightly narrower
at base than apex, and widest at apical third; sides arcuately rounded
from apical angles to basal third, then nearly parallel to the posterior
angles, which are rectangular; when viewed from the side the margi-
nal carina is strongly sinuate, the submarginal carina nearly straight,
the two carinae widely separated anteriorly, and connected to each
other near basal third; anterior margin slightly sinuate, with the
median lobe feebly, broadly rounded ; base feebly emarginate at middle

NORTH AMERICAN BUPRESTID BEETLES 43

of each elytron, the median lobe broadly rounded, and transversely
truncate in front of the scutellum; disk moderately convex, with
two deep, broadly rounded depressions on the median line, one near
the anterior margin, the other in front of scutellum, with a very
broad, deep depression on each side, extending obliquely from the
lateral margin to near the median line, and with short, obtuse ele-
vations in place of prehumeral carinae; surface coarsely, densely,
transversely rugose, and sparsely punctate between the rugae. Scu-
tellum transversely carinate, and the surface finely, densely reticulate.

Elytra scarcely wider than pronotum at base, and equal in width
at base and behind middle; sides nearly parallel for a short distance
behind base, broadly, feebly constricted in front of middle, broadly,
feebly expanded behind middle, then arcuately narrowed to the tips,
which are separately, rather broadly rounded, and finely serrulate;
sides of abdomen narrowly exposed above; disk slightly flattened,
sometimes with a very vague trace of costa, sutural margins slightly
elevated behind middle, and with broad, moderately deep basal
depressions; surface densely finely granulose.

Abdomen beneath obsoletely granulose, finely, sparsely punctate,
the punctures more or less connected transversely by sinuate lines,
which are coarser on the two basal segments, and sparsely clothed
with short, inconspicuous hairs; first segment vaguely flattened at
middle; last segment broadly rounded at apex; vertical portions of
segments not conspicuously pubescent; pygidium sparsely, coarsely
punctate, and only vaguely carinate anteriorly.- Prosternum sparsely
punctate, more or less granulose, and sparsely clothed with long,
erect, fine hairs; prosternal lobe broad, moderately declivous, and
broadly but not deeply, arcuately emarginate in front; prosternal
process rather broad, the sides parallel to behind the coxal cavities,
then obliquely narrowed to the apex, which is acute. Tibiae slender,
anterior pair with a very short tooth on inner margin at apex, middle
and posterior pairs simple. Posterior tarsi slightly shorter than
tibiae, and the first joint about as long as the following three joints
united. Tarsal claws similar on all feet, cleft near middle, the teeth
nearly equal in length, and the inner tooth turned inward.

Female.—Difters from the male in having the first abdominal seg-
ment more convex at middle; anterior tibiae unarmed at apex, and
the prosternum not clothed with long, erect hairs at middle.

Length, 5-6.25 mm.; width, 1.8-1.9 mm.

Redescribed from specimens in the United States National Mu-
seum from Capron, Florida.

Type locality—‘ North America.” Present location of type un-
known to writer.

2305—28——_4

44 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

DISTRIBUTION

FroripA: Dunedin, Mareh—April; Ormond (Blatchley). . Capron, April 5;
Tampa, April 11-13 (Hubbard and Schwarz). Enterprise; Miami (Leng).
Gainesville, May 19 (Dury). St. Augustine (Horn). Coronado, April 26
(Knaus).

Variation—The specimens examined show no variation except
in size.

Host-—Unknown. Blatchley (1919) records collecting adults on
huckleberry and other low shrubs.

This species is not common in collections, and so far, has only been
recorded from Florida. It has been more or less confused in the
literature, as LeConte (1859) misidentified this species as arcuatus
Say. and cupricollis has been considered as a synonym of arcuatus
by many of the later writers, although it is quite distinct from the
species described as arcuatus by Say. Horn (1891) corrected this
error and placed arcuatus LeConte (not Say) as a synonym of
cupricollis. This species resembles rujicollis Fabricius, but can be
easily separated from that species by the absence of the projecting
carina on the pygidium, and also by the distinctly deeper depres-
sions on the pronotum.

11. AGRILUS CUPREOMACULATUS Duges

Agrilus cupreomaculatus Ducks, La Naturaleza, vol. 2, ser. 2, 1891, p. 30,
pl. 2, fig. 48.—Mason, Ent. News, vol. 37, 1926, p. 85.—CHAMBERLIN, Cat.
Buprestidae, 1926, p. 58.

Female.—Form similar to fusctpennis, and rather strongly shin-
ing; head yellowish bronze, more or less cupreous on the occiput, and
becoming blackish in the depression; pronotum reddish cupreous,
with the sides densely clothed with bright orange yellow pubescence
and efflorescence, and the median depression and a round spot on each
side along anterior margin bluish black; elytra black, with a distinct
greenish tinge; beneath piceous, and more shining than above.

Head with the front not quite as wide as in fuscipennis, slightly
wider at top than at bottom, the lateral margins obliquely expanded
from bottom to top, with a broad, deep, triangular depression on the
vertex and occiput, a deep, longitudinal, concave depression extend-
ing from it to the epistoma, and a narrow, transverse depression
behind the epistoma and antennal foveae; surface coarsely, sparsely,
irregularly punctate, slightly, longitudinally rugose on the occiput,
and clothed with a few semierect hairs behind the epistoma; epistoma
narrow between the antennae, slightly elevated, and broadly but not
very deeply, arcuately emarginate in front; antennae extending
nearly to middle of pronotum, serrate from the fourth joint, and
the outer joints slightly wider than long; eyes large, rather broadly
elongate, and equally rounded above and beneath.

NORTH AMERICAN BUPRESTID BEETLES 45

Pronotum nearly one-half wider than long, wider at base than
at apex, and widest at middle; sides feebly sinuate, and moderately,
arcuately rounded from apical angles to base; when viewed from the
side the marginal carina is feebly sinuate, the submarginal carina
nearly straight to basal third where it is strongly, arcuately ex-
panded, and the two carinae separated for their entire length; an-
terior margin rather strongly sinuate, and the median lobe rather
strongly, broadly rounded; base feebly, broadly emarginate at middle
of each elytron, with the median lobe strongly, broadly rounded, and
truncate in front of scutellum; disk moderately convex, with a broad,
deep, concave median depression extending from anterior margin
to scutellum, a broad, deep, kidney-shaped depression on each side
along lateral margin, and without prehumeral carinae; surface
coarsely, densely, irregularly rugose, coarsely, sparsely punctate be-
tween the rugae, and the surface in lateral depressions concealed by
the short, dense, golden yellow pubescence and efflorescence. Scutel-
lum feebly, transversely carinate, and the surface finely, densely
granulose.

Elytra about as wide as pronotum at base, and equal in width at
base and behind middle; sides feebly expanded for a short distance
behind base, broadly, arcuately constricted in front of middle, rather
strongly, broadly expanded behind the middle, then obliquely nar-
rowed to the tips, which are separately, broadly rounded, and
strongly serrulate; sides of abdomen narrowly exposed above; disk
broadly, longitudinally depressed along sutural margins, which
are rather strongly elevated behind middle, and with broad, deep,
basal depressions; surface densely, coarsely, acutely imbricate-
punctate.

Abdomen beneath obsoletely granulose, finely, densely punctate,
the punctures connected transversely at sides of segments, denser and
acutely imbricate on basal segment, and sparsely clothed with short.
inconspicuous hairs; first segment convex at middle; last segment
broadly rounded or subtruncate at apex; vertical portions of the
segments not conspicuously pubescent; pygidium densely, coarsely
punctate, and distinctly, longitudinally carinate, but the carina not
projecting. Prosternum sparsely, coarsely punctate, coarsely, trans-
versely rugose, and sparsely clothed with short, recumbent, whitish
hairs; prosternal lobe broad, rather strongly declivous, and feebly,
arcuately emarginate in front; prosternal process broad, the sides
parallel to behind the coxal cavities, then broadly rounded to the
apex. Sides of sterna densely clothed with moderately long, recum-
bent, reddish yellow pubescence. Tibiae more or less flattened, and
unarmed at apex. Posterior tarsi distinctly shorter than tibiae, and
the first joint about as long as the following three joints united.

46 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

Tarsal claws similar on all feet, cleft near the middle, the teeth nearly
equal in length, the inner ones turned inward, and their apices
touching.

Length, 12 mm.; width, 3.25 mm.

Male—Unknown.

Redescribed from a female in the United States National Museum
from Tepic, Mexico.

Type locality —Tupataro, State of Guanajuato, Mexico. Present
location of type unknown to the writer.

DISTRIBUTION

Arizona: Schaeffer Cafhon, Baboquivari Mountains, September 18-19, 1924, at
an elevation of 5,150 to 5,500 feet (Rhen and Hebard).
Mexico: Tupaitaro, State of Guanajuato; Tepic, Territory of Tepic.
Variations.—No variation worthy of note was observed in the seven
specimens examined, except in size, which varies from 10 to 12 milli-
meters in length. The specimens from Arizona do not differ in any
way from the specimen from Tepic, Mexico, and are probably all
females, unless the males of this species have no distinct external
sexual characters, as none of the Arizona specimens were dissected.
Host.—Unknown.

12. AGRILUS FUSCIPENNIS Gory
Figure 9

Agrilus fuscipennis DrsEAN, Cat. Coleopt., ed. 2, 1883, p. 82; ed. 3, 1837,
p. 98 (no description).—Gory, Mon. Bupr. Suppl., vol. 4, 1841, pp.
238-239, pl. 39, fig. 230—LeEConts, Proc. Acad. Nat. Sci. Phila., vol. 9,
1857, p. 9; Trans. Amer. Philos. Soe., vol. 11, new ser., 1859, p. 242.—
CrotcH, Proc. Acad. Nat. Sci. Phila., vol. 25, 1878, p. 92—Horn, Trans.
Amer. Ent. Soe., vol. 18, 1891, p. 289.—KERREMANS, Mem. Soc. Mnt.
Belg., no. 1, 1892, p. 258.—Lene, Journ. N. Y. Ent. Soc., vol. 18, 1910,
pp. 76, 81; Journ. N. Y. Ent. Soc., vol. 19, 1911, p. 211; Journ. N. Y.
Ent. Soc., vol. 20, 1912, p. 298—CHAMBERLIN, Cat. Buprestidae, 1926,
p. 63.

Female—F¥orm large, elongate, robust, and opaque; head and
pronotum cupreous, with a strong reddish purple tinge; scutellum
and elytra black; beneath more shining than above, bronzy black,
the anterior parts more olivaceous, and the sides of the sterna
strongly purplish.

Head with the front wide, slightly wider at top than at bottom,
deeply concave, the concavity extending to lateral margins and
from epistoma to occiput, with a narrow, longitudinal groove in bot-
tom of the concavity, the lateral margins obliquely expanded from
bottom to top, and with a narrow, transverse depression behind the
epistoma, the depression more deeply depressed behind the antennal

NORTH AMERICAN BUPRESTID BEETLES AZ

foveae; surface coarsely, densely rugose, rather densely, coarsely
punctate between the rugae, and sparsely clothed behind the epistoma
with long, recumbent, yellowish hairs; epistoma not transverse be-
tween the antennae, slightly elevated, and broadly but not deeply,
arcuately emarginate in front; antennae extending beyond middle
of pronotum, serrate from the fourth joint, and some of the outer
joints longer than wide; eyes large, elongate, and equally rounded
above and beneath.

Pronotum nearly three-fourths wider than long, about equal in
width at base and apex, and widest at middle; sides rather strongly
arcuately rounded from apical angles to base; when viewed from
the side the marginal and submarginal carinae are slightly sinuate,
rather narrowly separated anteriorly, and connected to each other
behind the middle; anterior margin slightly sinuate, and the median
lobe only feebly indicated ; base feebly, broadly emarginate at middle
of each elytron, with the median lobe strongly, broadly rounded,
and truncate in front of scutellum; disk irregularly convex, with a
broad, deep depression on each side along lateral margin, extending
nearly to the median line, which is broadly, deeply concave from
anterior margin to base except at the middle, where it is strongly
interrupted, and without prehumeral carinae; surface densely,
deeply, transversely rugose, rather densely, coarsely punctate be-
tween the rugae, and sparsely clothed with short, semierect hairs
toward the sides. Scutellum feebly, transversely carinate, and the
surface finely, densely reticulate.

Elytra wider than pronotum at base, and about equal in width at
base and behind middle; sides nearly parallel for a short distance
behind base, feebly, broadly constricted in front of middle, feebly,
broadly expanded behind the middle, then obliquely narrowed to the
tips, which are separately, broadly rounded, and finely serrate; sides
of abdomen narrowly exposed above; disk slightly flattened, sutural
margins slightly elevated posteriorly, and with broad, deep basal
depressions; surface densely, finely, acutely granulose.

Abdomen beneath obsoletely granulose, glabrous, densely, finely
punctate, the punctures coarser on the basal segment and more or
less connected transversely at sides of the segments; first segment
convex at middle; last segment broadly rounded at apex; vertical
portions of the segments sparsely clothed with short, recumbent,
yeliowish hairs; pygidium sparsely, coarsely punctate, feebly cari-
nate, but the carina not projecting. Prosternum obsoletely granulose,
coarsely punctate, somewhat rugose, and sparsely clothed with short,
semierect, yellowish hairs; prosternal lobe rather narrow, slightly
dechivous, and broadly, feebly, arcuately emarginate or subtruncate
in front; prosternal process broad, the sides nearly parallel to be-
hind the coxal cavities, then obliquely narrowed to the apex, which

48 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

is obtusely rounded. Tibiae slightly flattened, and unarmed at apex.
Posterior tarsi slightly shorter than tibiae, and the first joint about
as long as the following three joints united. Tarsal claws similar on
all feet, cleft near the middle, the teeth nearly equal in length, the
inner ones turned inward, and their apices touching.

Male.—Differs from the female in being more slender, front of head
slightly more pubescent, prosternum rather densely clothed with long,
erect, whitish hairs, and all of the tibiae armed with a short tooth on
inner margin at apex.

Length, 12-13 mm.; width, 3.25-4 mm.

Redescribed from a female in the United States National Mu- »
seum, collected at Tryon, N. C., by W. F. Fiske.

Type locality—* North America.” Present location of type un-
known to writer.

DISTRIBUTION

GrorGIA: Clayton and Ramsons Mill, in the northern part at an altitude of
2,000 feet, July, 1910 (Leng). j

KentTucKyY: No definite locality (Dury).

MississippP1: Longview, June 7, 1916 (J. H. Oswalt). Agricultural College,
May, 1919 (B. A. Donaldson), March 26 (W. J. Edens).

NortH CAROLINA: Tryon, June 11, 1903 (Fiske). Ashville, reared (R. A.
St. George).

OHIO0: No definite locality (Knull collection).

SouTH CAROLINA: Clemson College, reared January, 1926 (F. Sherman).

TENNESSEE: No definite locality (Horn, Dury).

Texas: No definite locality (Horn).

Variations —Scarcely any variation was observed in the specimens
examined.

Host.—This species has been reared from Persimmon (Diospyros
virginiana Linnaeus) by R. A. St. George, and also from the same
host by students at Clemson College, S. C. Chamberlin (1926)
records Sourwood (Oxydendrum arboreum (Linnaeus) de Candolle)
as the host of this species, but this record may be based on a specimen
in the United States National Museum, which was only collected on
that tree, and may not be a host for the larvae.

13. AGRILUS TOWNSENDI Fall

Agrilus townsendi Fay, Trans. Amer. Ent. Soc., vol. 33, 1907. pp. 234—
235.—FALL and CocKERELL, Trans. Amer. Hint. Scc., vol. 33. 1907, p.
181.—F Rost and Weiss, Canad. Ent., vol. 52, 1920, p. 207.—CHAMPLAIN
and KNULL, Ent. News, vol. 34, 1928. p. 274—-CHAMBERLIN, Cat. Bu-
prestidae, 1926, p. 84.

Female.—¥orm moderately robust, strongly arcuately arched in
profile, feebly flattened above, and rather strongly shining; head and
pronotum aeneo-cupreous; elytra dark brown, with a distinct aeneous

NORTH AMERICAN BUPRESTID BEETLES 49

tinge; beneath cupreous, more or less aeneous on the legs, and more
shining than above.

Head with the front rather wide, nearly flat, about equal in width
at top and bottom, the lateral margins parallel to each other, and
with a distinct, narrow, longitudinal groove extending from occiput
to middle of front; surface coarsely, sparsely punctate, feebly rugose
near epistoma and occiput, intervals smooth and shining, and
sparsely clothed with short, semierect, white hairs; epistoma trans-
verse between the antennal cavities, strongly elevated, and with a
semicircular emargination in front; antennae extending nearly to
middle of pronotum, serrate from the fourth joint, and the outer
joints wider than jong; eyes large, rather broadly oblong, and
equally rounded above and beneath.

Pronotum one-half wider than long, about equal in width at base
and apex, and widest in front of middle; sides slightly arcuately
rounded, vaguely sinuate near posterior angles, which are nearly
rectangular ; when viewed from the side the marginal carina is vaguely
sinuate, the submarginal carina feebly arcuate, and the two carinae
rather widely separated for their entire length; anterior margin
nearly transversely truncate, and without a median lobe; base
strongly, broadly emarginate at middle of each elytron, the median
lobe broadly rounded, and transversely truncate in front of scu-
tellum; disk moderately convex, with a broad, vague median depres-
sion anteriorly, a deeper, transverse, concave depression along base,
connected laterally to a deep, oblique depression along lateral mar-
gins, and with feebly indicated, prehumeral carinae; surface finely,
densely reticulate, finely rugose, the rugae widely separated, trans-
versely arcuate on the disk, but becoming more oblique toward the
sides, sparsely punctate between the rugae, and sparsely clothed with
short, recumbent, white hairs. Scutellum strongly, transversely
carinate, and the surface finely, densely reticulate.

Elytra slightly wider than pronotum at base, and about equal in
width at base and behind middle; sides nearly parallel or vaguely
sinuate for a short distance behind the base, vaguely, broadly con-
stricted in front of middle, vaguely, arcuately expanded behind
middle, then obliquely narrowed to the tips, which are separately,
broadly rounded, and coarsely serrulate; sides of abdomen rather
broadly exposed above; disk feebly flattened, with distinct, obtuse
longitudinal costa extending from basal depression to apical third,
sutural margins elevated posteriorly, and with broad, deep, basal
depressions; surface finely, densely imbricate-punctate, and sparsely,
uniformly clothed with short, recumbent, white hairs.

Abdomen beneath obsoletely granulose, sparsely, finely punctate,
the punctures more or less connected transversely by sinuate lines,
which are coarser at sides of basal segment, and sparsely, uniformly

50 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

clothed with short, recumbent, white pubescence; first segment con-
vex at middle and without a median depression; last segment
broadly rounded at apex; vertical portions of segments not con-
spicuously pubescent; pygidium without a projecting carina. Pros-
ternum coarsely punctate, transversely rugose, and clothed with a
few short, white hairs; prosternal lobe broad, strongly declivous,
and broadly, vaguely, arcuately emarginate in front; prosternal
process broad, the sides parallel to behind the coxal cavities, then
abruptly narrowed to the apex, which is acute. Tibiae slender, and
the anterior and middle pairs armed with a short, arcuate tooth on
inner margin at apex. Posterior tarsi slightly shorter than tibiae,
and the first joint about as long as the following two joints united.
Tarsal claws similar on all feet, cleft near the middle, the inner
tooth nearly as long as outer one, and turned inward, but the tips
distant and nearly equally separated from each other and the outer
tooth of the claw. Genitalia not examined.

Length, 7.75 mm.; width, 2.25 mm.

Male.—Differs from the female in having the head and pronotum
shghtly more reddish cupreous, front of head slightly more depressed
anteriorly, the epistoma not elevated, the antennae slightly longer
and the outer joints more transverse, and the tarsal claws nearly
similar on all feet, cleft near the tip, the two teeth nearly equal in
length, but the claws on posterior pair slightly more deeply cleft.

Redescribed from the female type in the collection of H. C. Fall.

Type locality—Rio Ruidosa, White Mountains, N. Mex., at an
altitude of 6,500 feet.

DISTRIBUTION

ArizoNA: Oak Creek Canyon, 6,000 feet, July (Snow). Prescott, June 20
(Barber and Schwarz). Chiricahua Mountains, May 30 (Hubbard and
Schwarz).

New Mexico: Rio Ruidosa, White Mountains, 6,500 feet (Townsend).

Variations—No variation was observed in the four specimens
examined except in size, which varies from 7.5 to 8.75 millimeters.

Host—The type was beaten from Quercus utahensis (A de Can-
dolle) Rydberg (syn. gambelii Nuttall) by C. H. T. Townsend.

This species has the tarsal claws toothed in a fashion nearly inter-
mediate between those having the inner tooth turned inward and
nearly touching that of the opposite side, and those in which the
inner tooth is not turned inward.

14. AGRILUS ARBUTI, new species

Agrilus species BurKkg, Journ. eon. Ent., vol. 10, 1917, pp. 330-331; U. S.
Dept. Agric., Bull. 437, 1917, pl. 8, figs. 3, 6; pl. 9, fig. 2 (mo text).

NORTH AMERICAN BUPRESTID BEETLES 51

Male—F¥orm resembling angelicus, feebly shining, and slightly
flattened above; head aeneous or greenish, becoming feebly brownish
on occiput; pronotum aeneous or aureous, becoming broadly reddish
cupreous on the disk; elytra brownish aeneous, rarely with a fecble
cupreous reflection; beneath aeneous, with a distinct cupreous tinge,
and more shining than above.

Head with the front wide, feebly convex, vaguely wider at top than
bottom, the lateral margins feebly expanded from bottom to top,
usually with a narrow longitudinal groove extending from occiput
to middle of front, and with a broad, vague depression behind the
epistoma; surface finely, densely granulose, coarsely but not deeply,
irregularly rugose, the rugae more or less longitudinal on occiput,
sparsely, coarsely punctate between the rugae, and sparsely clothed
with short, semierect hairs, which are longer behind the epistoma;
epistoma strongly transverse between the antennae, strongly elevated,
and with a deep, arcuate emargination in front; antennae extending
to middle of pronotum, serrate from the fourth joint, and the outer
joints as wide as long; eyes large, elongate, and vaguely more
broadly rounded above than beneath.

Pronotum one-half wider than long, about equal in width at base
and apex, and widest near middle; sides feebly arcuately rounded
from apical angles to behind middle, then more strongly narrowed to
the posterior angles, which are rectangular; when viewed from the
side the marginal and submarginal carinae are feebly sinuate or
nearly straight, widely separated anteriorly, and connected to each
other near base; anterior margin distinctly sinuate, with a feeble,
broadly rounded, median lobe; base broadly, arcuately emarginate
at middle of each elytron, the median lobe feebly, broadly rounded,
and subtruncate in front of scutellum; disk moderately convex, a
broad, vague, anterior and posterior median depression, a broad
moderately deep depression on each side along lateral margin, and
with very sharply defined, short prehumeral carinae; surface densely
granulose, densely, rather deeply, transversely rugose, finely, sparsely
punctate between the rugae, and without distinct pubescence. Scu-
tellum strongly, transversely carinate, and the surface densely, finely
reticulate.

Elytra slightly wider than pronotum at base, and about equal in
width at base and behind middle; sides nearly parailel or feebly
sinuate for a short distance behind base, feebly, broadly constricted
in front of middle, broadly, arcuately expanded behind middle, then
obliquely narrowed to the tips. which are separately, broadly
rounded, and finely serrulate; sides of abdomen narrowly exposed
above; disk feebly flattened, without longitudinal costae, sutural
margins slightly elevated behind middle, and with broad, deep, basal

52 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

depressions; surface finely, densely imbricate-punctate, and sparsely,
uniformly clothed with more or less distinct, short, whitish hairs

Abdomen beneath rather densely, finely punctate, becoming trans-
versely rugose on basal segment, and sparsely, uniformly clothed
with rather short, recumbent, whitish hairs; first and second seg-
ments convex, and without a groove at middle; last segment broadly
rounded at apex; vertical portions of segments sparsely pubescent ;
pygidium sparsely, coarsely punctate, but not distinctly carinate.
Prosternum finely, densely punctate, and rather densely clothed
with long, erect, inconspicuous hairs; prosternal lobe broad, moder-
ately declivous, and subtruncate or broadly, vaguely emarginate in
front; prosternal process broad, the sides parallel to behind the coxal
cavities, then obliquely narrowed to the apex, which is acute. Tibiae
slender, and the anterior and middle pairs armed with a short tooth
on inner margin at apex. Posterior tarsi slightly shorter than
tibiae, and the first joint as long as the following three joints united.
Tarsal claws similar, on all feet, cleft near the apex, the inner
tooth shorter and distinctly broader than outer one, turned inward,
but the tips distinctly separated. Genitalia similar to those of
angelicus Horn.

Length, 7.5 mm.; width, 2.2 mm.

Female —Difters from the male in having the upper surface
reddish cupreous, and sometimes with a distinct purplish tinge on
certain parts, prosternum more sparsely punctured and without long,
erect hairs at middle, and the tibiae not armed with a distinct tooth
at apex.

Type locality—Ashland, Oregon.

Other localities—Placerville, Shingle Springs, and Hullville,
Calif.

Type, allotype, and paratypes—Cat. No. 40989, U.S.N.M. Para-
types in W. af ee s collection.
ries examined show very little variation Beli
in sie which varies from 5.75 to 7.5 millimeters in length, and 1.75
to 2.2 millimeters in width.

Described from a large series of both sexes collected at the above
localities by H. E. Burke, F. B. Herbert, George Hofer, and L. B.
Reynolds. According to H. E. Burke, this species mines the bark
and wood of branches and main trunks of normal madrono or
manzanita (Arbutus menziesii Pursh). The adults fly from May to
August, and lay their eggs singly on the smooth bark of the branches
and trunks, the larvae girdle and kill the branches, causing the for-
mation of enlarged galls, and take two years to reach maturity.

This species is very closely allied to angelicus, and will be confused
with that species in most collections. It will be rather difficult to

NORTH AMERICAN BUPRESTID BEETLES 53

separate these two species from cabinet specimens, but in the field
their habits are quite distinct. In arbuti the head is not quite so
strongly convex in front, with the surface more strongly rugose and
coarsely punctured, and the lateral margins more parallel to each
other, the anterior margin of pronotum more strongly sinuate, and
the median lobe feebly, broadly rounded, the pubescence on abdomen
and prosternum shorter, and the inner tooth of anterior claws dis-
tinctly broader toward the apex.

15. AGRILUS ANGELICUS Horn
Figure 10

Agrilus angelicus Horn, Trans. Amer. Ent. Soc., vol. 18, 1891, p. 298.—
Fatt, Ent. News, vol. 5, 1894, p. 98; Calif. Acad. Sci., Occasional
Papers, no. 8, 1901, p. 120; Ent. News, vol. 17, 1906, p. 168.—DoaNgE,
Journ. Heon. Ent., vol. 5, 1912, p. 347.—Frost, Canad. Ent., vol. 44,
1912, p. 246.—WoopwortH, Guide to California Insects, 1913, p. 195.—
BuRKE, U. S. Dept. Agric., Bull. 437, 1917, pl. 8, fig. 4, pl. 9, fig. 1 (no
text) ; Journ. Econ. Ent., vol. 10, 1917, p. 330—Hereert, Journ. Econ.
Ent., vol. 12, 1919, p. 8337—CusHMAN, Proc. U. S. Nat. Mus., vol. 55,
no. 2284, 1919, p. 535 (parasite)—RoHwer, Proc. Hnt. Soc. Wash.,
vol. 21, 1919, pp. 48 (parasites).—Frost and Weiss, Canad. Ent.,
vol. 52, 1920, pp. 207, 247.—Hersertr, Journ. Heon. Ent., vol. 13, 1920,
p. 3863.—BurkE, Journ. Econ. Ent., vol. 18, 1920, pp. 379-3884.—-
MuTCHLER and Wetss, N. J. Dept. Agric., Bur. Statistics and Inspection,
Cire. 48, 1922, p. 7.—Frtr, Man. Tree and Shrub Ins., 1924, pp. 182,
186-187.—Hssic, Ins. Western N. Amer., 1926. p. 403, figs. 278-279.
CHAMBERLIN, Cat. Buprestidae, 1926, pp. 4849.

Agrilus politus WoopwortH (not Say), Guide to California Insects, 1915,
p. 194 (part).—CuHitps, Monthly Bull. Calif. State Comm. Hort., vol.
3, 1914, pp. 150-155, figs. 54-56.—EHssic, Injurious and Beneficial Ins.
Calif., 1915, p. 234, fig. 223 (part)—CHAMBERLIN, Ent. News, vol. 28,
1917, p. 168 (part)—Frost and Werss, Canad. Ent., vol. 52, 1920,
p. 220 (part).

Agrilus arcuatus CHAMBERLIN (not Say), Cat. Buprestidae, 1926, p. 52
(part, California records).

Female-—¥orm moderately elongate, rather robust, feebly flat-
tened above, and moderately shining; head brownish cupreous; pro-
notum cupreous, with a feebly purplish tinge; elytra dark bronzy
brown; beneath brownish cupreous, and more shining than above.

Head with the front broad, feebly convex, and wider at top than
at bottom, the lateral margins obliquely expanded from bottom to
top, and with a feeble, broad, longitudinal groove extending from
occiput to epistoma, the groove more deeply depressed on the vertex;
surface finely, sparsely punctate, irregularly rugose on the front,
becoming longitudinally rugose on the occiput, and clothed with a
few inconspicuous hairs behind the epistoma; epistoma strongly
transverse between the antennae, feebly elevated, and with a semi-

54 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

circular emargination in front; antennae extending to middle of
pronotum, serrate from the fourth joint, and the outer joints slightly
wider than long; eyes rather large, elongate, and slightly more
acutely rounded beneath than above.

Pronotum one-half wider than long, slightly narrower at base
than apex, and widest near middle; sides feebly, arcuately rounded
from apical angles to behind middle, then abruptly narrowed to
the posterior angles, which are rectangular; when viewed from the
side the marginal and submarginal carinae are feebly sinuate, widely
separated anteriorly, and connected to each other behind the middle;
anterior margin feebly sinuate, and without a distinct median lobe;
base strongly emarginate at middle of each elytron, the median lobe
broadly rounded, and subtruncate in front of scutellum; disk mod-
erately convex, with a vague, broad median depression near anterior
margin, broadly, transversely depressed on basal half, a broad, deep
depression on each side along lateral margin, and with sharply defined,
short, arcuate prehumeral carinae; surface obsoletely granulose,
coarsely but not closely, transversely rugose, and sparsely, finely
punctate between the rugae. Scutellum feebly, transversely carinate,
and the surface finely, densely reticulate.

Elytra slightly wider than pronotum at base, and inoue equai in
width at base and behind middle; sides nearly parallel for a short
distance behind base, broadly, roa, constricted in front of mid-
dle, broadly expanded behind the middle, then obliquely narrowed
to the tips, which are separately, broadly rounded, and feebly ser-
rulate; sides of abdomen rather broadly exposed above; disk feebly
convex, sutural margins feebly elevated posteriorly, and with broad,
deep, basal depressions; surface densely, coarsely imbricate-punctate,
and sparsely clothed with short, inconspicuous hairs.

Abdomen beneath obsoletely reticulate, finely, sparsely punctate,
the punctures more or less connected transversely by sinuate lines,
which are coarser on the basal segment, and sparsely clothed with
moderately long, recumbent, whitish hairs; first segment strongly
convex, and without a median depression; last segment broadly
rounded at apex; vertical portions of segments not conspicuously
pubescent; pygidium coarsely, sparsely punctate, but not distinctly
carinate. Prosternum finely, sparsely punctate, and sparsely clothed
with long, semierect, whitish hairs; prosternal lobe broad, strongly
declivous, and broadly but not deeply, arcuately emarginate in
front; prosternal process broad, the sides nearly parallel to behind
the coxal cavities, then obliquely narrowed to the apex, which is
acute. Tibiae slender, straight, and unarmed at apex. Posterior
coxae with the posterior margin broadly, arcuately emarginate, and
the exterior angle nearly rectangular. Posterior tarsi distinctly

NORTH AMERICAN BUPRESTID BEETLES 5
shorter than tibiae, and the first joint nearly as long as the follow-
ing three joints united. Tarsal claws similar on all feet, cleft near
the middle, the teeth nearly equal in length, the inner tooth turned
inward, but the tips distinctly separated.

Length, 6.75 mm.; width, 2.125 mm.

Male.—Difiers from the female in having the front of head green,
with a more or less bronzy tinge, and the surface more coarsely
punctate and rugose, outer antennal joints about as long as wide, eyes
equally rounded above and beneath, usually more greenish above and
beneath, abdomen beneath more coarsely punctured, and the first
segment slightly flattened at middle, prosternum more densely punc-
tured, and densely clothed with long, erect, fine hairs, and the an-
terior and middle tibiae more or less arcuate, and armed with a short,
arcuate tooth on inner margin at apex.

Redescribed from the lectotype No. 3477 in the Academy of Natural
Sciences, Philadelphia. Doctor Horn had three females before him
when he described this species, and from his description considered
the specimen from near Los Angeles as the type, although not labeled
as such by him. The other two paratypes are from the Santa Cruz
Mountains, Calif., and are in the United States National Museum.

Type locality —Near Los Angeles, Calif.

DISTRIBUTION
Material examined:

CALIFORNIA: Santa Cruz Mountains; Los Angeles, June 8 (Van Dyke, Coquil-
lett). Los Gatos (Burke, Hubbard, and Schwarz). San Jacinto Mountains.
July 12, 1912 ( ). Dunsmuir, July 20 (Dyar and Caudell). Pasadena
(G. G. Smith). Palo Alto (H. E. Burke). Carmel, July 20 (Knaus coll.).

Also recorded from:

CALIFORNIA: San Bernardino Mountains, July, 5,000 feet (H. C. Fall). Deep
Creek, 6,000 feet (Dagget). Laurel, Saratoga, Confidence (H. EH. Burke).
Boulder Creek, San Juan, Monterey, Woodside, Niles, Alum Rock, Napa.
and Mount St. Helena (R. D. Hartman). Montecito, near Santa Barbara
(EK. B. Herbert).

Variations—Specimens examined vary in length from 4.75 to 6.75
millimeters, and in width from 1.25 to 2.25 millimeters. The females
are rather uniform in coloration, but in the males the pronotum
varies in color from dark bronzy green to a coppery red, and the
elytra from a bronzy brown to a bluish black, with a feeble greenish
reflection. in some examples the prosternal lobe is nearly truncate
in front, the anterior median depression on pronotum is variable in
size, and sometimes the basal half of the pronotum is deeply depressed
in front of the scutellum.

Hosts.—Coast live oak (Quercus agrifolia Nee); Highland live
oak (Q. wislizentt: A. de Candolle); Leather oak (Q. durata Jep-

56 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

son); Canyon live oak (Q. chrysolepis Liebmann); Engelmann or
mesa oak (Q. engelmannii Greene); California black oak (Q. ked-
loggii Newberry, syn. californica Torrey); and Tan oak (Q. densi-
flora (Hooker and Arnott) Rehder.).

This species causes considerable injury to oak trees used for orna-
mental purposes by girdling the twigs and giving the trees a ragged
and unsightly appearance, and in the economic literature has been
recorded as the “ Pacific oak twig-girdler.” So far it has been re-
corded ‘only from California, and ranges from a few feet above sea
level to an altitude of 6,000 feet. Childs (1914) and Essig (1915)
had this species confused with politus Say. Burke (1920) gives a
very good account of this insect and its work. All of the California
locality records, and the California live and black oaks host records
given under arcuatus Say by Chamberlin (1926), should apply to
this species, as angelicus Horn replaces arcuatus Say on the Pacific
coast.

16. AGRILUS MASCULINUS Horn

Figure 11

Agrilus masculinus Horn, Trans. Amer. Ent. Soc., vol. 18, 1891, pp. 295—
296.—STROMBERG, Canad. Mnt., vol. 26, 1894, p. 86.—CHITTENDEN, U. S.
Dept. Agric., Div. Ent., Bull. 22, new ser., 1900, p. 68—StLosson, Ent.
News, vol. 13, 1902, p. 6—BLaTcHLEy, Coleoptera of Indiana, 1910,
p. 799.—WeEtss. Ent. News, vol. 26, 1915, p. 101—JouNnson, Ent. News,
vol. 27, 1916, p. 117—CHaenon, 9th Rept. Quebec Soc. Protection
Plants, suppl., pt. 3, 1917, p. 219—Knuiut, Ent. News, vol. 31, 1920,
p. 10—Frost and Weiss, Canad. Ent., vol. 52, 1920, p. 206.—Britrron,
Conn. State Geol. and Nat. Hist. Survey, Bull. 31, 1920, p. 244—
Frost, Canad. HEnt., vol. 52, 1920, p. 283—KNut1i, Canad. Ent., vol. 54,
1922, p. 84 _CHAMPLAIN and KNuULL, Ent. News, vol. 34, -19238, p. 274.—
HatcH, Mich. Acad. Sci. Arts and Letters, vol. 4, 1924, p. 571.—
Munpincer, N. Y. State College Forestry, Tech. Pub. 17, pt. 4, 1924,
p. 316—KNULL, Ohio State Univ. Stud‘es, vol. 2, no. 2, 1925, p. 42,
pl. 1, fig. 22—CHAMBERLIN, Cat. Buprestidae, 1926, p. 70.

Agrilus otiosus CHITTENDEN, U. S. Dept. Agric., Div. Ent., Bull. 22, new
ser., 1900, pp. 65-66, 68 (part)—Frost and WEtIss, Canad. Ent., vol.
52, 1920, pp. 205-206 (part) —MurcHLer and WErtss, N. J. Dept. Agric.,
Bur. Statistics and Inspection, Circ, 48, 1922, p. 9 (part).—Fext, 35th
Rept. N. Y. State Ent. for 1921 (1923), p. 90 (part).—CHAMBERLIN,
Cat. Buprestidae, 1926, pp. 74-75 (part).

Male.—¥orm of otiosus, but slightly more robust, and moderately
shining; antennae and head bronzy green; pronotum bronzy green,
with a more or less brownish tinge, elytra piceous, with a strong
bronzy reflection; beneath dark bronzy green, and more shining than
above.

Head with the front wide, nearly flat, narrower at base than apex,
the lateral margins feebly arcuately expanded from bottom to top,
and with a feeble, longitudinal, median depression, which is nar-

NORTH AMERICAN BUPRESTID BEETLES 57
rower and more distinct on the occiput; surface coarsely punctate,
finely granulose, somewhat irregularly rugose on the front, becoming
longitudinally rugose on the occiput, and sparsely clothed on the
anterior half with short, white pubescence; epistoma rather wide
between the antennae, and feebly, broadly, arcuately emarginate in
front; antennae extending to about posterior angles of pronotum,
serrate from the fourth joint, and all the joints longer than wide:
eyes very large, broadly oblong, and about equally rounded above
and beneath.

Pronotum about three-sevenths wider than long, base and apex
about equal in width, and widest just in front of middle; sides feebly,
arcuately rounded from apex to middle, then obliquely narrowed to
the posterior angles, which are rectangular; when viewed from the
side the marginal carina is feebly sinuate, and the submarginal carina
nearly straight, the two carinae narrowly separated anteriorly, and
connected to each other near the base; anterior margin strongly
sinuate, with the median lobe breadly rounded and strongly pro-
duced; base transversely bisinuate, the median lobe scarcely pro-
duced, and arcuately emarginate in front of scutellum; disk mod-
erately convex, with two round, more or less distinct depressions
arranged longitudinally at the middle, a rather broad depression
along lateral margin extending from apical fourth to base, and with
sharply defined, slightly arcuate prehumeral carinae, extending from
base to near middie; surface densely, transversely rugose, finely
granulose, and with numerous fine punctures between the rugae.
Scutellum strongly, transversely carinate, and the surface finely
reticulate. .

Elytra slightly wider than pronotum at base, about equal in width
at base and apical third, feebly, broadly, arcuately constricted in
front of middle, and arcuately narrowed from apical third to the
tips, which are separately, broadly subtruncate, and finely serru-
late; sides of abdomen narrowly exposed above; disk slightly flat-
tened, sutural margins elevated posteriorly, with broad, moderately
deep basal depressions, and with an obsolete longitudinal costa on
each side; surface densely, coarsely imbricate-punctate.

Abdomen beneath coarsely punctate and finely granulose on the
basal segments, becoming more finely punctate toward the apex, the
punctures connected transversely by fine sinuate lines, and sparsely
clothed with short, recumbent, white pubescence; first and second
segments flattened or feebly concave along the median line, but not
pubescent; vertical portions of the segments not conspicuously
pubescent; pygidium rather densely, coarsely punctate, and indis-
tinctly carinate at middle. Prosternum finely, densely granulose,
and with a triangular space in front densely clothed with long, erect,

58 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

fine, yellowish white pubescence; prosternal lobe broad, moderately
declivous, and broadly, rather deeply emarginate in front; prosternal
process rather wide, gradually narrowed to the apex, which is acute,
and the surface sometimes with a more or less distinct longitudinal
elevation. Posterior coxae with the posterior margin broadly, arcu-
ately emarginate, and the exterior angle rectangular. Tibiae siender,
che anterior pair distinctly arcuate; anterior and middle pairs armed
with a distinct curved tooth on the inner margin at apex; posterior
tibiae without tooth at apex. Posterior tarsi as long as the tibiae, and
the first joint as long as the following joints united. ‘Tarsal claws
similar on all the feet, cleft at the middle, the outer tooth acute at
apex, the inner one slightly broader, turned inward, and the tip
sometimes touching that of the opposite side.

Length, 6.25 mm.; width, 1.5 mm.

Female.—Differs from the male in having the front of head cupre-
ous, broader, lateral margins more parallel, and the surface less
densely punctate; prosternum without long pubescence, the pro-
sternal process flat; first two abdominal segments not flattened or
sulcate; the tibiae unarmed at apex, and the posterior tarsi scarcely
as long as the tibiae.

Redescribed from the male lectotype No. 3476 in the Academy of
Natural Sciences, Philadelphia.

Type locality—Wlinois.

DISTRIBUTION

Material examined:

CanaApDA: Montreal Island, June (Chagnon).

CoNNEcTIcUT: Putman (D. J. Caffrey).

District of CoLUMBIA: Washington (Hubbard and Schwarz).

Intinois: Galesburg, July (Stromberg).

INDIANA: Marion County, July 16, 1920 (——-).

Iowa: Iowa City, June 3 (Buchanan).

KANSAS: Osage County, June 15 (R. H. Beamer).

MASSACHUSETTS: Mount Tom and Tynsboro (Blanchard).

MicuHican: Detroit, June (Hubbard and Schwarz).

Missouri: St. Louis, May 12, on box elder (J. T. Monell).

New York: Olcott, July 4 (Dietrich) ; Nassau. June 22, Pike, Newport, Buffalo,
and Cranberry Lake ( )

Oxnt0: Columbus, Cincinnati (Dury).

PENNSYLVANIA: Harrisburg, April-June; Hummelstown, May 9—July 2; Charter
Oak, June (Knull).

SoutTH CARoLtna: Clemson College, May 13 (J. O. Pepper).

SoutH Daxora: No definite locality.

Texas: Columbus, May 6-23 (-——).

VirGINIA: Tazewell, June 9 (lL. O. Jackson).

WISCONSIN: Beaver Dam, June 25 (W. EB. Snyder).

Also recorded from:

NrEw HAMPSHIRE: Mount Washington (Slosson).
New JERSEY: Newark (Weiss).

NORTH AMERICAN BUPRESTID BEETLES 59

Variations —Length, 4-6.5 millimeters; width, 0.85-1.5 milli-
meters. The pronotum and underside of the body are sometimes
rather strongly cupreous, the sides of the pronotum occasionally are
more feebly rounded anteriorly, being nearly parallel to each other,
and the median depressions are more or less variable in size. The
anterior margin of the prosternal lobe shows considerable variation;
in some examples it is subtruncate, whereas in others it is distinctly
emarginate.

Hosts——This species has been reared by Knull (1922) from the
sapwood of dead box elder or ash-leaved maple (Acer negundo Lin-
naeus) and red maple (Acer rubrum Linnaeus).

17. AGRILUS ALBOCOMUS, new species

Male—Form resembling arcuwatus, rather strongly shining, and
feebly flattened above; head dark blue in front, becoming greenish
on the occiput; pronotum green, with a feeble bronzy tinge on disk;
elytra piceous; beneath black, with a distinct bluish or greenish tinge,
and more shining than above.

Head with the front wide, feebly convex, slightly wider at top
than bottom, the lateral margins feebly, obliquely expanded from
bottom to top, and with a narrow, longitudinal groove extending
from occiput to middle of front; surface coarsely but not deeply,
irregularly rugose, sparsely, finely punctate between the rugae, and
clothed with a few, very short, inconspicuous hairs; epistoma slightly
transverse between the antennae, not elevated, and broadly but not
deeply, arcuately emarginate in front; antennae extending nearly
to base of pronotum, serrate from the fourth joint, and the outer
joints slightly longer than wide; eyes moderately large, elongate,
and equally rounded beneath and above.

Pronotum one-half wider than long, about equal in width at base
and apex, and widest near middle; sides arcuately rounded from
apical angles to base, slightly more strongly posteriorly; when viewed
from the side the marginal carina is distinct and feebly sinuate, the
submarginal carina straight and more or less indistinct, and the two
carinae widely separated anteriorly; anterior margin feebly sinuate,
and the median lobe broadly, vaguely rounded; base rather acutely
emarginate at middle of each elytron, the median lobe broadly
rounded, and subtruncate or feebly emarginate in front of scutellum;
disk moderately convex, broadly concave along base, the concavity
extending along lateral margins, but becoming narrower toward
apical angles, a broad, shallow, median depression near anterior
margin, and with sharply defined, straight, prehumeral carinae;
surface coarsely, vaguely, irregularly rugose, finely, sparsely punctate
between the rugae, and sparsely clothed with a few short, incon-

2305—28——_5

60 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

spicuous hairs. Scutellum feebly, transversely carinate, and the
surface finely, densely reticulate.

Elytra slightly wider than pronotum at base, and about equal
in width at base and behind middle; sides nearly parallel or feebly
sinuate for a short distance behind base, broadly, arcuately con-
stricted in front of middle, broadly, arcuately expanded behind
middle, then obliquely narrowed to the tips, which are separately,
broadly rounded, and coarsely, densely serrulate; sides of abdomen
narrowly exposed above; disk vaguely flattened, without longitudi-
nal costae, sutural margins elevated behind middle, and with broad,
shallow, basal depressions; surface rather coarsely, densely imbricate-
punctate, and sparsely, uniformly clothed with short, recumbent,
white hairs.

Abdomen beneath obsoletely granulose, finely, sparsely punctate
except on first segment where the surface in coarsely punctate
and transversely rugose, and sparsely, uniformly clothed with short,
recumbent, whitish hairs; first segment feebly flattened at middle;
second segment convex, and without a groove at middle; vertical
portions of segments rather densely but not conspicuously pubes-
cent; last segment broadly rounded at apex; pygidium coarsely,
densely punctate, feebly, longitudinally carinate, but the carina not
projecting. Prosternum finely, densely punctate, somewhat rugose,
and sparsely clothed with long, erect, inconspicuous hairs; prosternal
lobe broad, feebly declivous, and broadly but not deeply, arcuately
emarginate in front; prosternal process broad, the sides parallel to
behind coxal cavities, then arcuately narrowed to the apex, which is
acute. ‘Tibiae slender, and the anterior and middle pairs armed with
a rather long tooth on inner margin at apex. Posterior tarsi dis-
tinctly shorter than tibiae, and the first joint as long as the following
three joints united. Tarsal claws similar on all feet, cleft near mid-
dle, the outer tooth acute at apex, the inner one broader, turned in-
ward, and the tip touching that of the opposite side. Genitalia
similar to those of arcuatus Say.

Length, 7.75 mm.; width, 1.9 mm.

Female.—Differs from the male in being usually more robust, front
of head uniformly brownish cupreous, and more vaguely punctured;
pronotum aeneous, with a vague cupreous reflection ; antennae extend-
ing to middle of pronotum, and the outer joints as wide as long;
prosternum more vaguely punctured, and not clothed with long,
erect hairs at middle; first abdominal segment convex at middle, and
the tibiae unarmed at apex.

Lype locality.—Williams, Ariz.

Other localities —Texas: Chisos Mountains, July 19; Davis Moun-
tains, July 9, (H. A. Wenzel). New Mexico: White Mountains, July
18 (C. H. T. Townsend).

NORTH AMERICAN BUPRESTID BEETLES 61

Type, allotype, and paratypes.—Cat. No. 40990, U.S. N. M. Para-
types also in collections of C. A. Frost, W. J. Chamberlin, and H. F.
Wickham.

Described from 11 specimens (one type), 3 males and 5 females
collected at the type locality on Gambel’s oak (Quercus utahensis
(A. de Candolle) Ryderberg; syn. @. gambelii Nuttall) dur-
ing June and July, by E. A. Schwarz and H. S. Barber; two
females collected in the Chisos and Davis Mountains, Tex., on June
9 and 19, by H. A. Wenzel; and one male collected in the White
Mountains, July 18, along the Rio Ruidosa, at an elevation of about
6,500 feet, on the flowers of Rhus glabra Linnaeus, by C. H. T.
Townsend.

No variation worthy of note has been observed in the examples
from Arizona, but the two paratypes 'from Texas differ from the
type in having the pronotum slightly more cupreous, and the scutel-
lum is sharply carinate.

This species is allied to arcuatus Say, but differs from that species
in having the elytra sparsely, uniformly clothed with short, distinct,
whitish hairs.

18. AGRILUS PARAMASCULINUS Champlain and Knull
Figure 12

Agrilus paramasculinus CHAMPLAIN and KNULL, Ent. News, vol. 34, 1923,
p. 274.—CHAMBERLIN, Cat. Buprestidae, 1926, p. 76.

Male—Form of masculinus Horn, dark brown, with a cupreo-
aeneous tinge, and each elytron ornamented with an indistinct vitta
of short, sparsely placed white hairs.

Head with the front rather wide, feebly convex, equal in width
at top and bottom, the lateral margins nearly parallel to each other,
and with a vague triangular depression behind the epistoma; surface
obsoletely granulose, sparsely, coarsely punctate, slightly rugose,
the rugae irregular on the front but becoming longitudinal on the
occiput, and sparsely clothed on lower half with moderately long,
recumbent, whitish pubescence; epistoma slightly transverse between
the antennae, and very broadly, feebly emarginate or subtruncate in
front; antennae extending to middle of pronotum, serrate from the
fourth joint, and the outer joints about as wide as long; eyes large,
broadly oblong, and slightly more acutely rounded beneath than
above.

Pronotum one-third wider than long, base and apex about equal
in width, and widest near middle; sides strongly, arcuately rounded
from apical angles to behind middle, then more strongly narrowed
to near the posterior angles, where they are slightly sinuate; when
viewed from the side the marginal carina is strongly sinuate, the

62 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

submarginal carina nearly straight, the two carinae rather widely
separated anteriorly, and connected to each other behind the middle;
anterior margin slightly sinuate, with the median lobe broadly,
vaguely rounded; base transversely bisinuate, the median lobe feebly
produced, and arcuately emarginate in front of scutellum; disk
moderately convex, with two round, shallow depressions arranged
longitudinally at the middle, a rather broad, oblique depression along
lateral margin extending from apical fourth to base, and with sharply
defined, straight prehumeral carinae, extending from base to near
middle; surface finely, densely granulose, finely but not deeply,
transversely rugose, with numerous fine punctures between the rugae,
and sparsely clothed toward the sides with recumbent, whitish pu-
bescence. Scutellum strongly, transversely carinate, and the sur-
face densely, finely reticulate.

Elytra slightly wider than pronotum at base, and about equal in
width at base and behind middle; sides nearly parallel for a short
distance behind base, broadly, arcuately constricted in front of mid-
dle, broadly, arcuately expanded behind the middle, then obliquely
narrowed to the tips, which are separately, broadly rounded, and
finely serrulate; sides of abdomen scarcely visible from above;
disk slightly flattened, sutural margins strongly elevated from
basal third to apex, and with broad but not very deep, basal depres-
sions; surface finely, densely granulose, irregularly imbricate-punc-
tate, and each elytron ornamented with a broad, indistinct vitta of
sparsely placed white hairs, extending from basal depression to apex,
and the apical third more or less clothed with inconspicuous white
hairs.

Abdomen beneath finely granulose, sparsely, finely punctate pos-
teriorly, becoming more densely, coarsely punctate and transversely
rugose on the basal segment, and sparsely, clothed with short, recum-
bent, whitish pubescence; first and second segments broadly, vaguely
flattened at middle; vertical portions of the segments not conspicu-
ously pubescent; pygidium sparsely, coarsely punctate, but not longi-
tudinally carinate at middle. Prosternum finely, densely punctate,
and rather densely clothed along middle with long, fine, erect hairs;
prosternal lobe broad, moderately declivous, and broadly, feebly,
arcuately emarginate in front; prosternal process rather wide, and
eradually narrowed to the apex, which is acute. Posterior coxae with
the posterior margin broadly, arcuately emarginate, and the exterior
angle rectangular. Tibiae slender; anterior and middle pairs armed
with a short tooth on inner margin at apex; posterior pair unarmed
at apex. Posterior tarsi shorter than tibiae. Anterior and middle
tarsal claws cleft near the middle, the outer teeth acute at apex, the

NORTH AMERICAN BUPRESTID BEETLES 63

inner ones turned inward and their apices touching. (Posterior
claws missing. )

Length, 5.5 mm.; width, 1.5 mm.

Female.—Differs from the male in having the front of head slightly
broader, more convex, and of a dark reddish brown color; antennae
slightly shorter, and the outer joints slightly wider than long; pros-
ternum more sparsely punctured, and not clothed with long, erect
hairs at middle; prosternal lobe more deeply emarginate in front;
prosternal process with the sides parallel to behind the coxal cavities;
abdomen slightly exposed above, and all of the tibiae without a tooth
at apex.

Redescribed from the male type in the Purdue University collec-
tion. (This type has been donated to the United States National
Museum. )

Type locality.—Kansas.

Variations—Among the specimens examined (type in United
States National Museum, three female paratypes in the Purdue
University collection, and a male and female paratype in the collec-
tion of J. N. Knull) no variation worthy of mention has been ob-
served. All of the specimens seen of this species are from the
original series labeled “ Kan. T. B. A.” ?

The species is allied to masculinus Horn, but it can be distinguished
from that species in having the color on upper surface more brown-
ish, the first joint of the posterior tarsi shorter, a vague pubescent
vitta on each elytron, and in the male the long, erect pubescence on the
prosternum extends along the middle for its entire length. The pubes-
cent vittae on elytra are only vaguely indicated, and specimens of
this species are probably confused in collections under masculinus,
but the length of the first joint of the posterior tarsi will separate
both sexes from that species. The species seems to be rare in collec-
tions, and nothing is known of its habits.

Host—Unknown.

19. AGRILUS ARCUATUS (Say)
Figure 13

Buprestis arcuata Say, Ann. Lye. Nat. Hist. New York, vol. 1, pt. 2, 1825,
De ends

Agrilus arcuatus Say, Trans. Amer. Philos. Soc., vol. 6, new ser., 1836,
p. 162.—LeEConTE, Say’s Writings, vol. 1, p. 387, vol. 2, p. 596 (Bailliére
Bros. ed., 1859; Cassino and Co. ed., 1883) ; Trans. Amer. Philos. Soc.,
vol. 11, new ser., 1859, pp. 242-248 (erroneous identification, =cupri-
collis Gory).—PEtTTIT, Canad. Ent., vol. 2, 1870, p..102—Crotcu, Proce.

2“7T. B. A. Kan.” found on many specimens in the entomological collections of this
country refer to T. B, Ashton, one of the pioneer entomologists of Kansas, and after his
death, in 1895, his collection was sold to Purdue University. (Knaus, Journ. Kansas Ent.
Soc., vol. 1, 1928, p. 19.)

BULLETIN 145, UNITED STATES NATIONAL MUSEUM

Acad. Nat. Sci. Phila., vol. 25, 18738, p. 92 (erroneous identification,
=cupricollis Gory).—WiIcKHAM, Bull, Lab. Nat. Hist., State Univ.
Iowa, vol. 1, no. 1, 1888, p. 87—Horn, Trans. Amer. Ent. Soc., vol. 18,
1891, pp. 296-297 (part).—Havusen, Canad. Record Sci., vol. 5, 1892,
p. 52.—Srrompere, Canad. Ent., vol. 26, 1894, p. 36 (part).—HAMILTON,
Trans. Amer. Ent. Soc., vol. 22, 1895, p. 364.—SmitTu, 27th Rept. N. J.
State Board Agric. for 1899 (1900), suppl., p. 257 (=coryli or ful-
gens).—CHITTENDEN, U. S. Dept. Agric., Div. Hnt., Bull. 22, new ser.,
1900, p. 67 (part).—ULxkes, Proc. U. 8S. Nat. Mus., vol. 25, no. 1275,
1902, pp. 21, 47 (=coryli or fulgens).—Fau, Ent. News, vol. 17, 1906,
p. 168.—Haston Psyche, vol. 16, 1909, p. 50—Wiuckuam, Bull. Lab. Nat.
Hist., State Univ. Iowa, vol. 6, 1909 (Author’s ed.), p. 23 (identifica-
tion?) —BLATCHLEY, Coleoptera of Indiana, 1910, p. 799.—SmirH, Ann.
Rept. N. J. State Museum for 1909 (1910), p. 295 (=coryli or fulgens) .—
Lene, Journ. N. Y. Ent. Soc., vol. 18, 1910, p. 76.—Brat, U. 8S. Dept.
Agric., Bur. Biol. Survey, Bull. 44, 1912, p. 47—Frost, Canad. Ent.,
vol. 48, 1916, pp. 386-887 (=coryli Horn).—CuHacnon, 9th Rept.
Quebee Soc. Protection Plants, suppl., pt. 3, 1917, p. 219—Ru«acLEs,
17th Rept. State Ent. Minn., 1918, pp. 15-19, text figs. 1-3, pl. 1, figs.
14 (life history ).—RouHwer, Canad. Ent., vol. 51, 1919, p. 160 (para-
sites).—NicoLay, Bull. Brooklyn Ent. Soc., vol. 14, 1919, p. 19.—Frost
and WeIss, Canad. Ent., vol. 52, 1920, p. 206 (part).—KNULL, Ent.
News, vol. 31, 1920, p. 10 (part).—Brirron, Conn. State Geol. and Nat.
Hist. Survey, Bull. 31, 1920, p. 244.—MutcHire and WEISS, N. J. Dept.
Agric., Bur. Statistics and Inspection, Cire. 48, 1922, pp. 5-7, figs. 2-3
(part).—KNvuLL, Canad. Ent., vol. 54, 1922, p. 85 (part).—Brooxs,
15th Rept. Northern Nut Growers Assoc., 1924, p. 73 (=torquatus
LeConte).—Knuiut, Ohio State Univ. Studies, vol. 2, no. 2, 1925, pp.
42-438, pl. 10, figs. 1-2 (part)—CHAMBrERLIN, Cat. Buprestidae, 1926,
pp. 51-52 (part).—Brooxs, Journ. Agric. Research, vol. 38, no. 4,
1926, pp. 331-838, fig. 1-3 (=torquatus LeConte).

Agrilus obliquus LeContr, Trans. Amer. Ent. Soc., vol. 11, new ser., 1859,

pp. 243-244.—Prrtit, Canad. Ent., vol. 2, 1870, p. 102.—CrorcnH, Proce.
Acad. Nat. Sci. Phila., vol. 25, 1873, p. 92—Horn, Trans. Amer. Ent.
Soe., vol. 18, 1891, p. 297.—Kwiat, Ent. News, vol. 26, 1915, p. 287.—
Britton, Conn. State Geol. and Nat. Hist. Survey, Bull, 31, 1920, p.
244.—CRIDDLE, 56th Rept. Ent. Soc. Ontario for 1925 (1926), p. 97.

Agrilus torquatus Rueetes (not LeConte), 17th Rept. State Ent. Minn.,

1918, pp. 15-19, text figs. 1-3, pl. 1, figs. 1-4.

Agrilus politus RuceLtes (not Say), 17th Rept. State Ent. Minn., 1918,

p. 15.—WELLHOUSE, Cornell Agric. Exp. Sta., Mem. 56, 1922, p. 1106
(part).

Agrilus species WASHBURN, 24th Rept. Minn. Agric. Exp. Sta., 1917, p. 47.

Female.——Form moderately elongate, rather robust, rather strongly
shining, and feebly flattened above; head and pronotum uniformly
brownish cupreous; elytra black; beneath brown, with a feeble aene-
ous reflection, and more shining than above.

Head with the front wide, slightly wider at top, than bottom, the
lateral margins feebly, obliquely expanded from bottom to top, with
a broad, shallow depression on the upper half, at the bottom of which
is a distinct, narrow, longitudinal groove extending from the occiput

NORTH AMERICAN BUPRESTID BEETLES 65

to middle of front, and with an obsolete depression on each side of the
front; surface vaguely reticulate, coarsely but not deeply rugose,
the rugae irregular on the front, but becoming more longitudinal on
the occiput, coarsely, irregularly punctate between the rugae, and
sparsely clothed with short, inconspicuous white hairs; epistoma
strongly transverse between the antennae, and rather deeply, arcu-
ately emarginate in front; antennae extending to middle of pro-
notum, serrate from the fourth joint, and the outer joints slightly
wider than long; eyes large, strongly elongate, and about equally
rounded above and beneath.

Pronotum about two-fifths wider than long, about equal in width
at base and apex, and widest at middle; sides regularly, arcuately
rounded from apical angles to base; when viewed from the side the
marginal carina is rather strongly sinuate, the submarginal carina
nearly straight, the two carinae narrowly separated anteriorly, and
connected to each other near the base; anterior margin strongly
sinuate, and the median lobe broadly rounded; base rather deeply
emarginate at middle of each elytron, the median lobe broadly
rounded, and arcuately emarginate in front of scutellum; disk mod-
erately convex, broadly concave along base, the concavity extending
along lateral margins to near the apical angles, a broad, shallow,
median depression near anterior margin, and with sharply defined,
slightly arcuate, prehumeral carinae; surface coarsely, vaguely,
irregularly rugose, and finely, sparsely punctate between the rugae.
Scutellum feebly, transversely carinate, and the surface finely,
densely reticulate.

Elytra slightly wider than pronotum at base, and about equal in
width at base and behind middle; sides nearly parallel for a short
distance behind base, broadly, arcuately constricted in front of mid-
dle, broadly, arcuately expanded behind the middle, then obliquely
narrowed to the tips which are separately, rather broadly rounded,
and densely serrulate; sides of abdomen narrowly exposed above;
disk vaguely flattened along sutural margins, which are slightly ele-
vated posteriorly, and with broad, moderately deep, basal depres-
sions; surface finely, densely imbricate-punctate.

Abdomen beneath densely, obsoletely granulose, rather densely,
finely punctate, becoming more or less irregularly, transversely ru-
gose on basal segments, and sparsely, uniformly clothed with short,
recumbent, white pubescence; first segment convex at middle; verti-
cal portions of the segments not conspicuously pubescent; pygidium
coarsely, densely punctate, and feebly, longitudinally carinate at
middle, but the carina not projecting. Prosternum finely granulose,
sparsely punctate, somewhat rugose, and sparsely clothed with short
semierect, white hairs; prosternal lobe broad, moderately declivous,

66 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

and broadly, arcuately emarginate in front; prosternal process
broad, the sides nearly parallel to behind the coxal cavities, then
obliquely narrowed to the apex, which is acute. Tuibiae slender, and
the anterior and middle pairs armed with a very short tooth on
inner margin at apex. Posterior tarsi slightly shorter than tibiae,
and the first joint as long as the following three joints united. Tar-
sal claws similar on all feet, cleft near the middle, the inner teeth
turned inward and their apices touching.

Length, 7.5 mm.; width, 2 mm.

Male.—Differs from the female in having the front of head flatter,
bluish green on the front, and becoming slightly cupreous on the
occiput; antenna extending beyond middle of pronotum, and the
outer joints slightly longer than wide; eyes more broadly oblong;
pronotum bronzy green, becoming more or less aeneo-cupreous at
the middle; beneath bronzy green, with the prosternum densely,
coarsely punctured, and rather densely clothed with long, erect hairs
at the middle, the first abdominal segment feebly flattened at middle,
and the anterior and middle tibiae armed with a long, distinct tooth
on inner margin at apex. .

Redescribed from a female reared from twigs of white oak
(Quercus alba Linnaeus) at French Creek, W. Va., by F. E. Brooks.
This specimen agrees very well with the female type of obliquus
LeConte and also with Say’s description of arcuatus. Since the
type of arcuatus is lost, and from the description seems to be identical
with the species described by LeConte as obliquus, it is advisable to
consider the type of obliquus as typical of arcuatus. LeConte (1859)
evidently did not know the species described by Say as arcuatus, for
in describing obliquus, fulgens, and torquatus he compared them
with a specimen from the Southern States, which he had identified as
arcuatus but which proved to be cupricollis Gory.

Type locality —Of arcuatus, not given—type lost. Of obliquus,
Eagle Harbor, Lake Superior; type (arcuatus No. 10) in Museum
of Comparative Zodlogy at Cambridge, Mass.

DISTRIBUTION

Material examined:

CONNECTICUT: Lyme, June 13—July 20 (Fisher).

District or CoLUMBIA: Rock Creek Park, May 20, 1907 (Burden). Washington,
June 23-July 4 (Hubbard and Schwarz).

ILLtino1s: Edgebrook, July 1, 1915 (——).

Iowa: McGregor, June 30, 1914 (Stoner).

KENTUCKY: Frankfort, June 9, 1889 (Soltau).

MARYLAND: Odenton, June 20-July 12; Plummer Island, July 5, August 16
(McAtee). Bladensburg, June 17, 1919 (Buchanan). Myersville, July 15,
1915 (Parker).

MaAssacHusetTrs: Ashland, June, 1914 (——). Melrose (Dodge). Marion, July

( Ve

NORTH AMERICAN BUPRESTID BEETLES 67

MicHIGAN: Eagle Harbor; Marquette (Schwarz).

MINNESOTA: St. Paul, Minneapolis, and Stillwater, reared (Ruggles).
Miussissrpp1: Natchez, May 31, 1909 (Tucker).

Montana: No definite locality (Horn).

New Jersey: Lakehurst, July 7 (——).
New York: Olcott, June—July, East Aurora, July 24, 1926 (Dietrich). Long
Island ( DE

NorrH CARoLInA: No definite locality.

Ouro: Cincinnati, June 13, 1905 ( DE

PENNSYLVANIA: Montgomery County, July 28, 1918 (Wenzel). Pittsburgh
(Ehrmann). Germantown, June 1; Manada Gap, July 18, Harrisburg,
May 31 (Knull).

VIRGINIA: Penington Gap, July 4 (Hubbard and Schwarz). Peaks of Otter,
July 26, 1906 (Palmer).

WEsT VrirGINIA: Fort Pendleton, July 7 (Hubbard and Schwarz). French
Creek, reared (Brooks).

Also recorded from various localities in Quebec and Ontario, Indiana, Kansas,
northern Georgia, and many other localities not mentioned in the States
listed above.

Variations.—Rather uniform in size and coloration, and the elytra
rarely with a bluish or purplish tinge. The pronotum of the females
vary slightly from a reddish cupreous to a brownish or olivaceous
cupreous.

Hosts.—This species does considerable damage by girdling twigs
and small limbs. It has been reared from Black Oak (Quercus
velutina La Marck) by Ruggles and Knull; White Oak (Quercus
alba Linnaeus) by Brooks; Beech (Fagus americana Sweet) by
Knull and Brooks, and from Chestnut (Castanea dentata (Marshall)
Borkhausen) by Brooks. It has been recorded from elm, but no
adults have been examined by the writer from that host.

This species is considered quite variable by most writers, but in
fact, it is composed of a number of phytophagic forms, which are
distinguished in the field by their different habits and hosts, but the
adults are very difficult to separate, especially the males, which can-
not always be separated with certainty. The male genitalia of all
these forms are nearly identical and the forms are not entitled to
specific rank, but since their habits are different, and they seem
to prefer certain host plants, it seems advisable to retain them as
subspecies. In the distribution given by Chamberlin (1926), the
Florida records refer to cupricollis Gory, and those from California
to angelicus Horn.

The following key will assist students in separating most of the
adults, especially where the host is known, or both sexes are present.

KEY TO THE SUBSPECIES

1. Sexes (with exception of the head) nearly similar in coloration____----~~- 2:
Sexesraissimilarvin Coloration eee ses es Ss gs a 3.

68 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

2. Surface above nearly unicolored, aeneous with a more or less cupreous tinge.

lost: Hazel 24224 2 ee Se es ee ese a ee ee coryli Horn.
Surface above bicolored; pronotum greenish, aeneous, brownish, or cupreous;
elytra black. Host: Oak, beech, and chestnut_____________ arcuatus Say.

(obliquus) LeConte.

8. Female reddish cupreous, and more or less violaceous; male pronotum
aeneous, and the elytra violaceous. Host: Hazel________ fulgens LeConte.
Female uniformly brownish cupreous; male with pronotum reddish cupreous,
the sides greenish or bluish, and the elytra black, with a violaceous tinge.
Host: Hickory ‘and pecanee.— ea eee eee torquatus LeConte.

AGRILUS ARCUATUS subspecies FULGENS LeConte

Agrilus fulgens LeConte, Trans. Amer. Philos. Soc., vol. 11, new ser., 1859,
p. 243.—CrotcH, Proc. Acad. Nat. Sci. Phila., vol. 25, 1873, p. 92.—
HARRINGTON, Canad. Ent., vol. 16, 1884, p. 101; 15th Rept. Ent. Soe.
Ontario for 1884 (1885), p. 81 (identification?).—BLANcHARD, Ent.
Amer., vol. 5, 1889, p. 82 (erroneous identification, =coryli Horn).—
Ritey, Ins. Life, vol. 2, 1890, p. 348 (identification?, parasite).—Horwn,
Trans. Amer. Ent. Soc., vol. 18, 1891, p. 297.

Agrilus arcuatus (Say) Strompere, Canad. Ent., vol. 26, 1894, p. 36
(part) —SmitTH, 27th Rept. N. J. State Board Agric. for 1899 (1900)
suppl. p. 257 (part).—CHITTENDEN, U. S. Dept. Agric., Div. Ent., Bull.
22, new ser., 1900, p. 67 (part).—ULxs, Proc. U. S. Nat. Mus., vol. 25,
no. 1275, 1902, p. 47 (part) —Smiru, Ann. Rept. N. J. State Mus. for
1909 (1910), p. 295 (part) —CHAMBERLIN, Cat. Buprestidae, 1926, pp.
51-52 (part).

Male—Smaller, more slender, and more shining than arcuatus,; head
bluish green, becoming slightly aeneous to cupreous on the occiput;
pronotum cupreous at middle, becoming aeneous toward the sides;
elytra bluish black, with a distinct purplish tinge; beneath brown,
with a slight aeneous tinge; antennae with the outer joints as wide
as long. Genitalia similar to arcuatus Say.

Length, 6.5 mm.; width, 1.5 mm.

- Female.—Head and pronotum bright reddish cupreous; elytra
varying from cupreous to bluish black, with a more or less purplish
tinge; beneath cupreous, with a distinct purplish reflection; antennae
with the outer joints slightly wider than long.

Redescribed from the male type (No. 7 of the arcuatus series) in
the Museum of Comparative Zoédlogy, at Cambridge, Mass.

Type locality. Missouri.”

DISTRIBUTION

Material examined:

ILLINOIS: Riverside (——).
Iowa: Iowa City (H. F. Wickham)

InpDIANA: No definite locality.
KaAnsAs: Douglas County, 900 feet (Snow).

NORTH AMERICAN BUPRESTID BEETLES 69

Minnesota: No definite locality.

Missouri: No definite locality.

NEBRASKA: West Point, June, 1888 (——).

ONTARIO: Kearney, July 9, 1909 (Van Duzee).
Prince Edward County, July 2, 1922 (Brimley).

VIRGINIA: Fairfax County, June 16, 1923 (Nicolay).

West Vireinzra: French Creek, reared (Brooks). Terra Alta, June 29, 1918
(Rohwer).

Variations—Rather uniform in size, but the females varying con-
siderable in color as noted above in the description. The prehumeral
carinae are quite variable and in some examples the scutellum is
feebly carinate, whereas in others the carina is entirely absent.

Host.—This subspecies kills the twigs of Hazel (Corylus americana
Walter) from which F. E. Brooks has reared the adults. This form
is of considerable economic importance to those who are interested
in the growing of hazelnuts.

I have considered specimen number 7 of the arcwatus series in the
LeConte collection as the type, although number 6 of this series has
the LeConte label on it. This specimen is without a locality label, but
the figures are in German, and the specimen agrees very well with
the description, which was made from a single example received from
Mr. Schuster, from Missouri. Specimen number 6 is labeled “ Illi-
nois ” and is the specimen noted by LeConte in his original descrip-
tion as probably a variety of fulgens. The LeConte species label has
a number of pin holes in it, which shows that it has been removed
from the pin a number of times, and it is just possible that it has
been replaced on the wrong specimen.

AGRILUS ARCUATUS subspecies TORQUATUS LeConte

Agrilus torquatus LeConts#, Trans. Amer. Philos. Soc., vol. 11, 1859, p. 248.—
CrotcH, Proc. Acad. Nat. Sci. Phila., vol. 25, 1873, p. 92.—Hupparp and
ScHwarz, Proc. Amer. Philos. Soc., vol. 17, 1878, pp. 636, 656.—
BLANCHARD, Wnt. Amer., vol. 5, 1889, p. 32.—Horn, Trans. Amer. Ent.
Soc., vol. 18, 1891, pp. 296-297.—RueeLss, 17th Rept. State Ent. Minn.,
pp. 15-19, text figs. 1-3, pl. 1, figs. 1-4 (erroneous identification =
arcuatus (obliquus LeConte.) Say).—Frost and Weiss, Canad. Mnt..
vol. 52, 1920, p. 207.

Agrilus arcuatus (Say) Frost and Weiss, Canad. Ent., vol. 52, 1920, p. 206
(part).—KNu1L1L, Ent. News, vol. 31, 1920, p. 10 (part); Canad. Ent.,
vol. 54, 1922, p. 85 (part).—MurcHire and Wetss, N. J. Dept. Agric.,
Bur. Statistics and Inspection, Cire. 48, 1922, pp. 5-7 (part).—Brooxs,
15th Rept. Northern Nut Growers Assoc., 1924, p. 73.—KNuULL, Ohio
State Univ. Studies, vol. 2, no. 2, pp. 42-43 (part).—Brooxs, Journ.
Agric. Research, vol. 33, no. 4, 1926, pp. 331-338, figs. 1-3 (life his-
tory) ..—CHAMBERLIN, Cat. Buprestidae, 1926, pp. 51-52 (part).

Male—¥orm of arcuatus; head bluish green, becoming reddish
cupreous on the occiput, and the surface densely, coarsely punctate

70 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

and rugose; pronotum dark reddish cupreous, with a feeble purplish
tinge on the median part, becoming broadly aeneous toward the sides,
and the surface coarsely, deeply, transversely rugose; elytra black,
with a feeble bluish or violacous reflection in certain lights; beneath
bronzy green, except the abdomen, which is cupreous and strongly
shining; antennae with the outer joints distinctly longer than wide.
Genitalia similar to those of arcuatus Say.

Length, 7.5 mm.; width, 1.75 mm.

Female——Above and beneath uniformly brownish cupreous, and
sometimes with a feebly aeneous tinge; antennae with the outer joints
about as long as wide.

Redescribed from the male type (No. 1 of the arcuatus series} in the
Museum of Comparative Zodlogy, Cambridge, Mass.

Type locality— Kentucky.”

DISTRIBUTION
Material examined:

CoNnNEcTICUT: New Haven, July 31, 1911 (Champlain). Storrs (Brooks).
InLinoris: Galesburg (Stromberg). Urbana, June 14, 1910 (Vestal). HEdge-
brook, June 20-27 (Liljeblad). Rock Island, July 4, 1912 (——).

INDIANA: Hessville, June 18, 1911 (——).

KENTUCKY: No definite locality.

MARYLAND: Glen Echo, July 8, 1923 (Malloch).

MASSACHUSETTS: Melrose (Dodge). Ashland, June, 1892 ( yi

Mississipe1: Agricultural College, July 1, 1913, on pecan (Hester).

New York: Poughkeepsie, June 22, 1903 (——-). New York City, July 4,
1882 (Soltau).

PENNSYLVANIA: Hummelstown, reared (Knuil).

RuHopE IsLAND: Providence, July 5, 1920 (Nylen).

VirGinta: Petersburg, Pulaski, Richmond, and Round Hill, reared (Brooks).

West Virginia: Morgantown, Pickens, Buckhannon, Moorefield, Great Cacapon,
Clarkesburg, and French Creek, reared (Brooks).

Also recorded from Michigan: Detroit and Marquette (Hubbard and Schwarz).

Variations —Rather uniform in size and coloration. The pre- —
humeral carinae vary somewhat in distinctness, and the scutellum
is strongly carinate in some examples, whereas in others the carina
is entirely absent.

Hosts.—This subspecies does considerable damage to hickory and
pecan trees in nurseries and nut-tree orchards in the eastern part of
the country, by pruning off small branches and terminals. It has
been reared from various species of Hickory (Hicoria sp.) by Knull
and Brooks.

Horn (1891) has confused the varieties of arcuatus, as the variety
listed by him as obliqguus LeConte is torqguatus LeConte, and the one
listed as torquatus is obliquus, which is a synonym of arcuatus Say.

NORTH AMERICAN BUPRESTID BEETLES 71
AGRILUS ARCUATUS subspecies CORYLI Horn *

Agrilus arcuatus var. coryli Horn, Trans. Amer. Ent. Soc., vol. 18, 1891.
p. 297—Hamitton, Trans. Amer. Ent. Soc., vol. 22, 1895, p. 364.—
CHITTENDEN, U. 8S. Dept. Agric., Div. Ent., Bull 22, new ser., 1900, p.
67.—FELT, N. Y. State Mus., Mem. 8, vol. 2, 1906, p. 723.—BLATCHLEy,
Coleoptera of Indiana, 1910, p. 799.—JoHNsoN, Ent. News, vol. 27, 1916,
p. 117.—Frost, Canad. Ent., vol. 48, 1916, pp. 386-887.—GuiBson, 48th
Rept. Ent. Soe. Ontario for 1917 (1918), p. 112 (erroneous identi-
fication,=pseudocoryli).—NicoLay, Bull. Brooklyn Ent. Soc., vol. 14.
1919, p. 19—Frost, Canad. Ent., vol. 52, 1920, p. 28—Frost and
Weiss, Canad. Ent., vol. 52, 1920, pp. 206—-207.—MutcHLer and WEIss,
N. J. Dept. Agric., Bur. Statistics and Inspection, Cire. 48, 1922, p.
18.—KNULL Canad. Ent., vol. 54, 1922, p. 85 (erroneous identification,
= pseudocoryli) —CHAMPLAIN and KNULL, Canad. Ent., vol. 57, 1925,
p. 113 (=pseudocoryli) —KNULL, Ohio State Univ. Studies, vol. 2,
no. 2, 1925, p. 48.—CHAMBERLIN, Cat. Buprestidae, 1926, p. 52.

Agrilus arcuaius (Say) Strombere, Canad. Ent., vol. 26, 1894, p. 36 (part).—
SmiTH, 27th Rept. N. J. State Board Agric. for 1899 (1900), suppl. p.
257 (part).—CHITTENDEN, U. S. Dept. Agric., Div. Ent., Bull. 22, new
ser., 1900, p. 67, (part).—ULKE, Proc. U. 8. Nat. Mus., vol. 25, no. 1275,
1902, p. 47 (part).—SmiruH, Ann. Rept. N. J. State Mus. for 1909
(1910), p. 295 (part).—Frost, Canad. Hnt., vol. 48, 1916, pp. 386-387.

Agrilus fulgens BLANCHARD (not Horn), Ent. Amer., vol. 5, 1889, p. 32.

Male.—Smaller, more slender, and more shining than arcuavus;
head bluish green, becoming slightly aeneous to cupreous on the
occiput ; pronotum and elytra uniformly aeneous, with a more or less
cupreous tinge; beneath brownish aeneous, with a more greenish
tinge on the legs; antennae with the outer joints as wide as lone.
Genitalia similar to those of arcuatus Say.

Length, 6 mm.; width, 1.5 mm.

Female——Head cupreous, with a feeble aureous refiection; prono-
tum and elytra slightly more reddish cupreous than in male; beneath
cupreous, with a distinct purplish tinge; antennae with the outer
joints shghtly wider than long.

Redescribed from the male lectotype No. 3497, in the Academy of
Natural Sciences at Philadelphia.

Type locality.—Dracut, Mass.

DISTRIBUTION
Material examined:

CoNNECTICUT: Lyme, June 16, 1918 (Walden) ; June 1-July 2 (Fisher).

ILLINOIS: Galesburg, June 27, 1893 (Stromberg), La Grange, July 6, 1915.

Iowa: Elma, July 24, 1902 (——-).

MARYLAND: Oakland, July 11 (Hubbard and Schwarz).

MASSACHUSETTS: Sherborn, June-July; Southboro, June 9, 1912 (Frost).
Tynsboro (Blanchard). Springfield, July, 1916 (Chapin).

New York: Karney, July 23, 1902 (——).

PENNSYLVANIA: Charter Oak, July 5; Hunters Run, July 9 (Knull).

*Agrilus coryli was used by Ratzeburg (Forst-Insecten, pt. 1, 1839, p. 62), so I am
proposing coerylicole new name for coryli Horn (not Ratzeburg).

72 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

Also recorded from:

ConneEcTICUT: Meriden.
Fiorma (probably an error).
INDIANA.

Lone IsLaAnD: Wyandanch.
MAINE: Paris.

MIssoURI.

NEw JERSEY.

Variations—Rather uniform in size and coloration, although
some examples are slightly more purplish above, the prehumeral
carinae are somewhat variable in distinctness, and in some exam-
ples the scutellum is feebly carinate, whereas in others the carina
is entirely absent. 4

Hosts——Adults have been collected on hazel (Corylus americana
Walter and @. rostrata Aiton) and they probably girdle the twigs
and small limbs of these plants similar to that of the other forms
of this species, although it has not been reared from this host. It
has been recorded as making galls on hazel, but. these records are
from erroneously identified examples, as these galls are made by the
larvae of Agrilus politus subspecies pseudocoryli Fisher.

This subspecies can be separated from arcuatus by their smaller
size, and uniform aeneous or cupreous color in both sexes. They
resemble very closely the small forms of politus but can be separated
from that species by the form of the claws.

20. AGRILUS CRINICORNIS Horn
Figure 14

Agrilus crinicornis Horn, Trans. Amer. Ent. Soe., vol. 18, 1891, p. 294.—
BLATCHLEY, Coleoptera of Indiana, 1910, p. 798.—Kwt1at, Ent. News,
vol. 26, 1915, p. 287.—Frost, Canad. Ent., vol. 47, 1915, p. 144.—WeEtss,
Ent. News, vol. 26, 1915, p. 101.—F Rost and WEISS, Canad. Hnt., vol. 52,
1920, p. 206.—F rost, Canad. Ent., vol. 52, 1920, p. 28—IK nui, Canad.
Ent., vol. 54, 1922, p. 84.—Moutcuirr and Wetss, N. J. Dept. Agric.,
Bur. Statistics and Inspection, Cire. 48, 1922, p. 15—KnutLn, Ohio State
Univ. Studies, vol. 2, no. 2, 1925, p. 42, pl. 1, fig. 10—CHaAmeberiLty,
Cat. Buprestidae, 1926, p. 58.

Male.—¥orm slender, more or less linear, and moderately shining ;
head greenish blue, becoming aeneous on the occiput; pronotum
bronzy brown at middle, becoming bronzy green toward the sides;
elytra black, with a feeble bronzy or greenish reflection; beneath
black, with a feeble bronzy tinge, and becoming more greenish on
the legs.

Head with the front wide, nearly fiat, equal in width at top and
bottom, the lateral margins nearly parallel to each other, and with
an obsolete longitudinal, median depression; surface densely, finely

NORTH AMERICAN BUPRESTID BEETLES 73

granulose, with a few coarse punctures intermixed, becoming feebly,
longitudinally rugose on the occiput, and rather densely clothed
on lower half with long, silvery white pubescence, which does not
conceal the surface; epistoma not transverse between the antennae,
and broadly but not deeply, arcuately emarginate in front; antennae
extending beyond the posterior angles of pronotum, serrate from
the fourth joint, all joints distinctly longer than wide, and clothed
on the under side with long, sparsely placed, white hairs; eyes large,
elongate, and slightly more acutely rounded beneath than above.

Pronotum about one-third wider than long, base and apex about
equal in width, and widest along apical half; sides nearly parallel
from apical angles to middle, then obliquely narrowed to the pos-
terior angles, which are rectangular; when viewed from the side the
marginal carina is feebly sinuate, the submarginal carina straight,
the two carinae rather widely separated anteriorly, and connected
to each other near the base; anterior margin rather strongly sinuate,
and the median lobe broadly rounded; base transversely bisinuate,
the median lobe feebly produced, and arcuately emarginate in front
of scutellum; disk moderately convex, with two broad, deep depres-
sions arranged longitudinally at the middle, a rather deep, broad
depression along lateral margin extending from apical fourth to
base, and with indistinct prehumeral carinae; surface densely, finely
granulose, transversely rugose on disk, and with a few fine pune:
tures between the rugae and toward the sides. Scutellum strongly,
transversely carinate, and the surface finely reticulate.

Elytra shghtly wider than pronotum at base, and about equal in
width at base and apical third; sides feebly, broadly constricted in
front of middle, arcuately expanded near apical third, then obliquely
narrowed to the tips, which are separately, rather broadly rounded,
and finely serrulate; sides of abdomen scarcely exposed above; disk
shghtly flattened, sutural margins elevated posteriorly, with broad,
moderately deep basal depressions, but without distinct longi-
tudinal costae; surface densely, coarsely imbricate-punctate.

Abdomen beneath sparsely, finely punctate, and feebly granulose
on the basal segments, becoming vaguely punctate toward the apex,
the punctures connected transversely by fine, sinuate lines, and
sparsely clothed with short, inconspicuous hairs; first and second
segments more or less flattened, but not grooved or pubescent at
middle; vertical portions of segments not conspicuously pubescent ;
pygidium sparsely, coarsely punctate, but not longitudinally cari-
nate. Prosternum finely, densely granulose, with a few large punc-
tures intermixed, and sparsely clothed with inconspicuous hairs:
prosternal lobe rather broad, strongly declivous, and vaguely emar-
ginate in front; prosternal process rather narrow, the sides parallel
to behind the coxal cavities, then obliquely narrowed to the apex,

74 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

which is acute. Posterior coxae with the posterior margin deeply,
broadly, arcuately emarginate, and the exterior angle rectangular.
Tibiae slender, straight, and all three pairs armed with a long tooth
on inner margin at apex. Posterior tarsi not quite as long as tibiae,
and the first joint as long as the following joints united. Tarsal
claws similar on all feet, cleft at middle, the outer tooth acute at
apex, the inner one slightly broader, turned inward, and the tip
sometimes touching that of the opposite side.

Leneth, 4.25 mm.; width, 1.125 mm.

Female.——Differs from the male in having the front of head
brownish cupreous or aeneous, slightly more convex, and the surface
less densely pubescent anteriorly; antennae extending slightly be-
yond middle of pronotum, without long hairs beneath, and the outer
joints not longer than wide; pronotum more uniformly bronzy
brown; beneath usually more bronzy brown, the first and second
abdominal segments convex at middle, and all of the tibiae unarmed
at the apex.

Redescribed from the male lectotype No. 3475 in the Academy of
Natural Sciences, Philadelphia, and of the female, from a specimen
taken together with a male by J. C. Bridwell.

Type locality —Mount Tom, Tyngsboro, Mass.

DISTRIBUTION

Material examined:

InLiInois: Willow Springs, July 1: Riverside, June 6, (EE. Liljeblad). La
Grange ( DE

MAINE: South Paris (C. A. Frost).

MARYLAND: Plummer Island, May—June (R. C. Shannon). Jackson Island, May
22, at light (Barber and Shannon).

MASSACHUSETTS: Tyngsboro (Blanchard). Framingham (Frost).

New York: Olcott, July 4 (H. Dietrich). Albany, May—June (

Onto: Cincinnati, May 29 (Dury).

PENNSYLVANIA: Inglenook, June 2; Charter Oak, June 21; Hummelstown, May-
June (Knull). Jeannette (H. G. Klages). Duncannon, June 24 (J. G.
Sanders).

VIRGINIA: Chain Bridge, June 5 (J. C. Bridwell). Dead Run, May 18 (R. C.
Shannon).

West VirRGINIA: Harpers Ferry, June 19 (Hubbard and Schwarz).

Also recorded from:

INDIANA: (Chamberlain), but Blatchley (1910) states it has never been reported
from this State.
New Jrersty: Newark (H. B. Weiss).

Variations—Rather uniform in size, but the color is quite variable.
The head varies from a brillant dark blue to a bronzy or greenish
blue, and the middle of the pronotum bronzy brown to nearly black,
with the sides varying from blue to bronzy green. Sometimes the

NORTH AMERICAN BUPRESTID BEETLES 75

pronotum is widest at the middle, and the sides are arcuately
rounded. ‘The two median depressions are slightly variable in depth,
and some examples have a very short, distinct, prehumeral carina
on each side. The elytra sometimes have the longitudinal costae
vaguely indicated, and the prosternal lobe has the front margin
subtruncate to broadly, feebly emarginate.

Host—This species has never been reported as being reared, so
the host is unknown. Frost (1915, 1920) records collecting adults on
the leaves of red raspberry and oak.

The males of this species are easily separated from those of the
other North American species of this genus by the antennae, which
are longer than the pronotum and clothed on the under side with
long hairs. Horn (1891) writes that the females have the antennae
similarly pilose, but I have failed to find these long hairs on the
antennae of any of the females associated with the males; even the
females in the LeConte and Horn collections under crinicornis (if
they are the females of this species) have the antennae shorter than
the pronotum, and without long hairs on the under side. I am
unable to satisfactorily separate the females of this species from
those of otiosus and allied species.

21. AGRILUS BEFECTUS LeConte
Figure 15

Agrilus defectus LeContr, Trans. Amer. Philos. Soc., vol. 11, new ser., 1859,
p. 244.—Crotcu, Proc. Acad. Nat. Sci., Phila., vol. 25, 1873, p. 92.—
Hupparp and ScuHwarz,, Proc. Amer. Philos. Soc., vol. 17, 1878, p.
656.—Horn, Trans. Amer. Ent. Soc. vol. 18, 1891, pp. 293-294.—
Nicotay, Bull. Brooklyn Ent. Soc., vol. 14, 1919, p. 19.—Frost and
Weiss, Canad. Ent., vol. 52, 1920, p. 206—KNuLL, Ent. News, vol. 31,
1920, p. 10—Frost, Canad. Ent., vol. 52, 1920, p. 28.—Brirron, Conn.
Geol. and Nat. Hist. Survey, Bull. 31, 1920, p. 244—Knuxt, Canad.
Ent., vol. 54, 1922, p. 84—MuTcHLER and Weiss, N. J. Dept. Agric.,
Bur. Statistics and Insp., Cire. 48, 1922, p. 8—Knunzt, Ohio State
Univ. Studies, vol. 2, no. 2, 1925, p. 41, pl. 1, fig. 19.—CrAMBEREIN,
Cat. Buprestidae, 1926, p. 58.

Agrilus otiosus BLANCHARD, Ent. Amer., vol. 5, 1889, p. 32 (probably this
species).—Haminton, Trans. Amer. Ent. Soc., vol. 22, 1895. p. 364
(part).—SmiruH, 27th Rept. N. J. State Board Agric. for 1899 (1900),
suppl., p. 257 (part).—U.xs, Proc. U. S. Nat. Mus., vol. 25, no. 1275,
1902, p. 47 (part).—Frtt, N. Y. State Mus., Mem. 8, vol. 2, 1906, p.
518 (part).—Smiry, Rept. N. J. State Mus. for 1909 (1910), p. 295
(part).—BLaATcHLeEy, Coleoptera of Indiana, 1910, pp. 798-799 (part).—
Frost, Canad. Ent., vol. 44, 1912, p. 252 (part).—CuaGnon, 9ih Rep.
Quebec Soc. Protection Plants, suppl., pt. 3, 1917, p. 219 (part).—Frosr
and Weiss, Canad. Ent., vol. 52, 1920, pp. 205-206 (part).—Mu?TcHLer
and WEIss, N. J. Dept. Agric., Bur. Statistics and Inspection, Cire. 48,
1922, p. 9 (part) —FEt, 35th Rept. N. Y. State Ent. for 1921 (1923),
p. 90 (part) —CHAMPERLIN, Cat. Buprestidae, 1926, pp. 74-75 (pari).

Agrilus species ) Hopkins, W. Va. Agric. Exp. Sta., Bull. 32, 1893, p. 184.

2305—28——_6

76 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

Female—F¥orm slender, more or less linear like in oftosus, and
rather strongly shining; head reddish cupreous, and slightly aeneous
toward the sides; pronotum brown, with a distinct cupreous tinge;
elytra brownish black, with a feeble aeneous reflection; beneath
black, with a slight aeneous or greenish reflection in certain lights,
and more shining than above.

Head with the front wide, feebly convex, nearly equal in width at
top and bottom, and the lateral margins vaguely, arcuately expanded
at middle, and with a vague longitudinal groove on vertex and occi-
put; surface finely, densely granulose, sparsely, coarsely punctate,
finely, transversely rugose behind epistoma, and clothed with a few
indistinct hairs; epistoma slightly transverse between the antennae,
and broadly, arcuately emarginate in front; antennae extending to
middle of pronotum, serrate from the fourth joint, and the outer
joints about as wide as long; eyes large, elongate, and slightly more
acutely rounded beneath than above.

Pronotum about one-third wider than long, base and apex about
equal in width, and widest along apical half; sides nearly parallel
or feebly sinuate from apical angles to middle, then obliquely nar-
rowed to the posterior angles, which are rectangular; when viewed
from the side the marginal and submarginal carinae are nearly
straight, rather broadly separated anteriorly, and connected to each
other at base; anterior margin rather strongly sinuate, with the
median lobe broadly rounded and rather strongly produced; base
transversely bisinuate, the median lobe feebly produced, and arcu-
ately emarginate in front of scutellum; disk moderately convex, with
two broad, shallow depressions arranged longitudinally at the middle,
a moderately deep, broad depression along lateral margin extending
from apical fourth to base, and with obsolete prehumeral carinae.
Scutellum strongly, transversely carinate, and the surface finely
reticulate.

Elytra slightly wider than pronotum at base, and about equal in
width at base and apical third; sides broadly, arcuately constricted
in front of middle, broadly, arcuately expanded at apical third, then
obliquely narrowed to the tips, which are separately, very broadly
rounded or subtruncate, and coarsely, irregularly serrate; sides of
abdomen narrowly exposed above; disk feebly convex, sutural mar-
gins elevated posteriorly, with broad, shallow, basal depressions, and
with only a vague trace of longitudinal costae; surface rather coarsely
imbricate-punctate anteriorly, becoming smoother toward the apex.

Abdomen beneath finely, densely granulose, coarsely punctate on
basal segments, becoming finely, sparsely punctate toward the apex,
the punctures connected transversely by fine sinuate lines on the basal

NORTH AMERICAN BUPRESTID BEETLES 77

segments, and sparsely clothed with short, inconspicuous hairs; first
and second segments convex at middle, and without a median de-
pression; last segment broadly rounded or subtruncate at apex, and
with a fringe of long hairs; vertical portions of the segments not
conspicuously pubescent; pygidium sparsely, coarsely punctate, with
a vague longitudinal carina, but the carina not projecting. Proster-
num finely granulose, sparsely punctate, and sparsely clothed with
short, inconspicuous hairs; prosternal lobe broad, strongly declivous,
and broadly rounded or subtruncate in front; prosternal process
rather narrow, the sides parallel to behind the coxal cavities, then
obliquely narrowed to the apex, which is acute. Posterior coxae with
the posterior margin broadly, arcuately emarginate, and the exterior
angle rectangular. Tibiae slender, straight, and without a distinct
tooth at apex. Posterior tarsi about as long as the tibiae, and the
first joint as long as the following three joints united. Tarsal claws
similar on all feet, cleft at middle, the outer tooth acute at apex,
the inner one slightly broader, turned inward, and the tip sometimes
touching that of the opposite side.

Length, 4.75 mm.; width, 1.125 mm.

Male.—Differs from the female in having the front of head bronzy
green to greenish blue, not so strongly convex, surface more dis-
tinctly granulose, and rather densely clothed on lower half with
long, white pubescence, which does not conceal the surface; first
two abdominal segments feebly flattened at middle, but not pubes-
cent; last abdominal segment truncate at apex, and clothed with a
dense marginal fringe of long, reddish brown hairs, which are curved
and directed downward, and all tibiae with a distinct tooth on inner
margin at apex.

Redescribed from the female type (No. 1) in the Museum of
Comparative Zoology, Cambridge, Mass.

Type locality —Pennsylvania.

DISTRIBUTION
Material examined:

Connecticut: North Branford, June 23 (B. H. Walden). Cornwall; Southboro
(Frost). New Haven, June 20 (A. B. Champlain). Lyme, June—July
(Fisher).

Intinoris: Galesburg (Stromberg). Riverside, June 8; Beverly Hills (Lilje-
blad). La Grange; Hdgebrook, June 18 (——).

TowA: Iowa City, June 3; Lake Okoboji, June 21 (L. Buchanan).

MASSACHUSETTS: Framingham, May—June; Shelborn, June 8 (Frost). Dart-
mouth, June 15 (N. 8. Easton).

MicHicAan: Agricultural College, May 26 (L. G. Gentner). Detroit (Hubbard
and Schwarz).

Missourt: Jefferson Barracks, May 16; Cliff Cave, April 28, 1878 (T.
Pergande).

78 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

New Jersey: Clementon, May 21; South Orange, June 10 (——). Lakehurst,
June 16 (L. B. Woodruff).

New York: Wading River, Long Island, June 23 (A. Nicolay).

PENNSYLVANIA: New Bloomfield, May 23; Pond Bank, May 25; Hummelstown,
May-June (J. N. Knull).

Tpxas: Dallas, April 26 (Schwarz and Pratt).

Recorded also from:

Kansas: No definite locality (eConte, 1859).

New JERSEY: Malago, May; Upper Montclair, July (Nicolay).

New YorK: Massapequa, May—June (Shoemaker). Pine Lawn (Olsen). Wyan-
danch, July 4 (Schott).

Variations —Length 3.5 to 5 millimeters. The front of the head
in the males vary in color from a bronzy green to a greenish blue,
the median part of the pronotum from bronzy green to bluish black,
and becoming more greenish blue toward the sides. The pronotum is
sometimes widest at the middle, with the sides feebly arcuately
rounded, the median depressions more or less variable in depth,
and in a few examples are only feebly indicated.

Host—This species has been reared by Knull (1920) from dead
branches of white oak (Quercus alba Linnaeus).

This species is confused in collections with oftiosus, but there
should be no difficulty in separating the males from that species.
The males of defectus have the last abdominal segment truncate at
apex and clothed with a dense marginal fringe of long hairs, which
are curved downward, but in the females these hairs are less con-
spicuous and sometimes nearly obsolete. Horn (1891, p. 294) states
that “It is evident that LeConte had before him a male of this
species which he mistook for the male of /acustris, but I failed to find
the specimen at present associated with that species, and discovered
that it had been removed and placed with the present species either
by himself, or later by Crotch.” There seems to be some error
about this statement as there are only two specimens in the LeConte
collection under this species and both of which are females. Cham-
berlin (1926) has erroneously placed this species as a synonym of
otiosus Say, and a number of his host and distribution records refer
to defectus.

22. AGRILUS GEMINATUS (Say)

Figure 16

Buprestis viridis MELSHEIMER (not Linnaeus), Cat. Ins. Penna., 1806, p. 46,
no. 1016 (name preoccupied).

Buprestis geminata Say, Journ. Acad. Nat. Sci. Phila., vol. 3, pt. 1, 1828,
p. 163.—LEContrE, Say’s Writings, vol. 2, p. 105 (Bailliére Bros. ed.,
1859 ; Cassino and Co, ed., 1883).

NORTH AMERICAN BUPRESTID BEETLES 79

Agrilus geminatus Say, Trans. Amer. Philos. Soc., vol. 6, new ser., 1836,
p. 162.—StTurm, Catal. Kifer Sammlung, 1843, p. 63.—LrEeContp, Trans.
Amer. Philos. Soc., vol. 11, new ser., 1859, p. 250; Say’s Writings, vol. 2,
pp. 595-596 (Bailliére Bros. ed., 1859; Cassino and Co. ed., 1883).—
Crotcnu, Proc. Acad. Nat. Sci. Phila., vol. 25, 1878, p. 92.—Horn, Trans.
Amer. Ent. Soc., vol. 18, 1891, pp. 287, 8334.-—CHAMBERLIN, Cat. Bupres-
tidae, 1926, p. 61 (part).

Agrilus assimilis SturM, Catal. Kiifer Sammlung, 1848, p. 638 (no descrip-
tion).

Male.—FKorm resembling otiosus Say, and moderately shining;
antennae greenish black; head greenish blue, becoming slightly
aeneous on the occiput; pronotum aeneo-olivaceous at middle, becom-
ing more greenish toward the sides; elytra piceous, with a feeble
aeneous tinge; beneath dark bronzy green, and more shining than
above.

Head with the front wide, neariy flat, equal in width at top and
bottom, the lateral margins feebly, arcuately expanded near middle,
and with an obsolete, longitudinal groove extending from occiput to
middle of front; surface densely granulose, rather densely, coarsely
punctate, becoming longitudinally rugose on the occiput, and
sparsely clothed on lower half with long, white hairs; epistoma
transverse between the antennae, and broadly, but not deeply,
arcuately emarginate in front; antennae extending slightly beyond
middle of pronotum, serrate from the fourth joint, and the outer
joints about as wide as long; eyes large, broadly oblong, and about
equally rounded above and beneath.

Pronotum one-third wider than long, base and apex about equal in
width, and widest along apical half; sides nearly parallel from apical
angles to middle, then arcuately narrowed to the posterior angles,
which are nearly rectangular; when viewed from the side the mar-
ginal and submarginal carinae are feebly sinuate, rather broadly
separated anteriorly, and connected to each other near the posterior
angles; anterior margin strongly sinuate, with the median lobe
strongly, broadly rounded; base strongly, transversely bisinuate, with
the median lobe feebly produced, and arcuately emarginate in front
of scutellum; disk moderately convex, with two round, moderately
deep depressions arranged longitudinally at middle, a broad, oblique
depression along lateral margins, and with short, obsolete, prehu-
meral carinae; surface finely, densely granulose, feebly, transversely
rugose, and with numerous coarse punctures between the rugae.
Scutellum strongly, transversely carinate, and the surface obsoletely
reticulate.

Elytra slightly wider than pronotum at base; and about equal in
width at base and just behind middle; sides parallel for a short
distance behind base, broadly, arcuately constricted in front of
middle, broadly, arcuately expanded behind the middle, then obliquely

80 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

narrowed to the tips, which are separately, rather narrowly rounded,
and strongly serrulate; sides of abdomen scarcely exposed above;
disk slightly flattened, sutural margins strongly elevated posteriorly,
with broad, moderately deep, basal depressions, and with an obsolete
longitudinal costa on each side; surface densely, strongly, imbricate-
punctate.

Abdomen beneath obsoletely reticulate, sparsely, finely punctate,
becoming more or less transversely rugose on basal segment, and
sparsely clothed with short, recumbent, whitish hairs; first and sec-
ond segments feebly flattened at middle, and clothed with a longi-
tudinal series of long, whitish hairs; vertical portions of the segments
not conspicuously pubescent; pygidium sparsely, coarsely punctate,
and without a distinct median carina. Prosternum densely, finely
punctate, and densely clothed at middle with a longitudinal series of
iong, fine, erect hairs; prosternal lobe rather broad, moderately de-
clivous, and broadly rounded in front; prosternal process rather nar-
row, the sides nearly parallel to behind the coxal cavities, then
obliquely narrowed to the apex, which is acute. Posterior coxae with
the posterior margin broadly, arcuately emarginate, and the exterior
angle rectangular. Tuibiae slender, straight, and armed with a short
tooth on the inner margin at apex. Posterior tarsi as long as the
tibiae, and the first joint nearly as long as the following joints united.
Tarsal claws similar on all feet, cleft near the middle, the outer tooth
acute at apex, the inner one slightly broader, turned inward, and the
tip sometimes touching that of the opposite side.

Length, 3.75 mm.; width, 0.85 mm.

Female.—Differs from the male in having the pronotum and front
of head aeno-cupreous, the latter slightly more convex, and not
densely clothed with long pubescence behind the epistoma; proster-
num more sparsely punctured, not densely pubescent at middle, and
the prosternal lobe subtruncate or feebly emarginate in front; first
two abdominal segments convex at middle, and not clothed with long
hairs, and the tibiae unarmed at apex.

Redescribed from a male and female from central Missouri in the
United States National Museum collection. Since the type of this
species has been lost, I am designating the male from which the
above description was made as the neotype.

Type locality —Missouri.

DISTRIBUTION
Material examined:

InLtinois: La Grange ( Ee

MASSACHUSETTS: Framingham, June 11; North Attleboro, June 21 (C. A.
Frost).

Micnican: Detroit, June (Hubbard and Schwarz). Agricultural College, June
6 (L. G. Gentner).

NORTH AMERICAN BUPRESTID BEETLES 81

Missouri: Central part, July (C. V. Riley). Jefferson Barracks, May 16
(——). St. Louis, May 24 (W. V. Warner).

New HampsHirE:Hampton, May 28 (8. A. Shaw).

NEw JERSEY: Clementon, May 30 ( Ne

OKLAHOMA: Sulphur, May 1 (W. J. Brown).

PENNSYLVANIA: No definite locality.

Trxas: Colorado County, April 7 (Grace Riley). Dallas, April (Schwarz and
Pratt).

VirerntaA: Chain Bridge, June 5 (J. C. Bridwell).

Also recorded from:

INDIANA:
WISCONSIN :

Variations—This species is more or less variable in coloration.
In the males the front of the head varies from a brilliant blue to
bluish green, the pronotum sometimes more uniformly olivaceous,
and the elytra with a feeble violaceous reflection. The sides of the
pronotum are strongly sinuate anteriorly in some examples, whereas
in others the pronotum is widest at the middle, and the sides are
arcuately rounded. The median depressions on the pronotum are
also quite variable in depth, and in some examples are only feebly
indicated. The prehumeral carinae are obsolete in some speci-
mens, whereas in others they are distinctly indicated. Length.
3.75 to 5 millimeters.

Host.—Unknown. :

This species was first listed and erroneously identified as viridis
Linnaeus by Melsheimer (1806) in his list of Pennsylvania Insects,
and Say (1823) described the female from Missouri. Crotch (1873)
stated that it was the female of ottosus Say. As it is impossible to
recognize the females of otiosus and allied species, I am using this
name for a species which is common in the central part of Missouri
(type locality of geminatus) instead of describing it under a new
name.

It is very closely allied to otiosus, but in geminatus the male
genitalia have the sides nearly parallel to each other and broadly
transparent toward the apex, whereas in otiosus the sides of the
genitalia are arcuately expanded and not transparent. The females
can not be satisfactorily separated from those of the allied species.

23. AGRILUS OTIOSUS Say
Figure 17

Agrilus virescens DEJEAN, Cat. Coleopt., ed. 2, 1833, p. 82; ed. 3, 1837, p. 93
(no description).

Agrilus otiosus SAy, Trans. Amer. Philos. Soc., yol. 6, new ser., 1836,
pp. 1638-164.—Srurm, Catal. Kifer Sammlung, 18438, p. 63.—LECONTE,
Trans. Amer. Philos. Soc., vol. 11, new ser., 1859, p. 244; Say’s Writ-
ings, vol. 2, pp. 597-598 (Balliére Bros. ed., 1859; Cassino and Co. ed.,

BULLETIN 145, UNITED STATES NATIONAL MUSEUM

1883 ).—Petrrir, Canad. Ent., vol. 2, 1870, p. 102.—Crotcn, Proce. Acad.
Nat. Sci. Phila., vol. 25, 1873, p. 92—HrENsSHAw, Psyche, vol. 1, 1874,
p. 17.—PRovANCHER, Petite Fauna Ent. Canada, vol. 1, Les Coleopteres,
1877, p. 359.—ZescuH and REINECKE, North Amer, Ent. (Buffalo, N. Y.),
vol. 1, 1880, p. vii —HarrineTon, 14th Rept. Ent. Soe. Ontario for 1883
(1884), p. 45; Canad. Ent., vol. 16, 1884, p. 102; 15th Rept. Ent. Soc.
Ontario for 1884 (1885), p. 31.—BtancHarp, Ent. Amer., vol. 5, 1889,
p. 32 (probably frosti)—PacKarp, 5th Rept. U. S. Ent. Comm., 1890,
p. 367 (probably egenus).—Cooxk, 29th Rept. Mich. Board Agric., 1890,
p. 119.—TowWNSEND, Psyche, vol. 5, 1890, p. 233—Horn, Trans. Amer.
Ent. Soe., vol. 18, 1891, pp. 291-293, pl. 8, fig. 18 (part).—HAaAvsEn,
Canad. Ent., vol. 5, 1892, p. 52—Lrwis, Journ. Linn. Soc. London,
Zoology, vol. 24, 1893, p. 328.—Horxkins, W. Va. Agric. Exp. Sta., Bull.
32, 1893, p. 183 (part).—TowNseENp, Canad. Ent., vol. 25, 1893, p. 202.—
STROMBERG, Canad. Ent., vol. 26, 1894, p. 36 (part)—HamiILton, Trans.
Amer. Ent. Soc., vol. 22, 1895, p. 364 (part) —WucKHAM, Proc. Daven-
port Acad. Nat. Sci., vol. 6 (Author’s ed.), 1896, p. 152.—Wotcort,
Ent. News, vol. 7, 1896, p. 236.—Stosson, Ent. News, vol. 8, 1897, p.
238.— CHITTENDEN, U. S. Dept. Agric., Div. Ent., Bull. 22, new ser.,
1900, pp. 65-66, 68 (part).—SmirH, 27th Rept. N. J. State Board Agric.
for 1899 (1900), suppl. p. 257 (part).—ULkKkE, Proc. U. 8S. Nat. Mus.,
vol. 25, no. 1275, 1902, p. 47 (part).—Youne, 18th Rept. N. Y. State Ent.
for 1902 (1903), p. 157.—F ett, N. Y. State Mus., Mem. 8, vol 2, 1906, pp.
502, 518, 729 (part)—WickHam, Bull. Lab. Nat. Hist., State Univ.
Iowa, vol. 6, no. 2 (Author's ed.), 1909, p. 23.—Easton. Psyche, vol.
16, 1909, p. 50—SmiruH, Rept. N. J. State Mus. for 1909 (1910), p. 295
(part).—LeEne, Journ. N. Y. Ent. Soe., vol. 18, 1910, p. 76.—BLATCHLEY,
Coleoptera of Indiana, 1910, pp. 788-799 (part).—Frost, Canad. Ent.,
vol. 44, 1912, p. 252 (probably defectus or frosti)—JOHNSON, Ent.
News, vol. 26, 1915, p. 312.— Fett, N. Y. State Mus., Bull. 186, 1916, p. 95
(this is champlaini) ; Bull. 180, 1916, p. 117 (this is cephalicus).—
CHAGNON, 9th Rept. Quebee Soc. Protection Plants, suppl. pt. 1, 1917,
p. 219 (part).—Nicotay, Bull. Brooklyn Ent. Soc., vol. i4, 1919, p.
20.—F Rost and Weiss, Canad. Ent., vol. 52, 1920, pp. 205-206 (part).—
Frost, Canad. Ent., vol. 52, 1920, p. 28-——Britrron, Conn. State Geol. and
Nat. Hist. Survey, Bull. 31, 1920, p. 245—IXnuLL, Ent. News, vol. 31.
1920, p. 8; Canad. Ent., vol. 54, 1922, p. 85..—MuTcHLEeR and WEISS,
N. J. Dept. Agric., Bur. Statistics and Inspection, Cire. 48, 1922, p. 9
(part).—FELT, 35th Rept N. Y. State Ent. for 1921 (1923), p. 90
(part) —BLacKMAN and Stace, N. Y. State College Forestry, Tech.
Pub. 17, pt. 1, 1924, pp. 23, 24, 66-67 (part).—FaLL, Bull. Brooklyn
Ent. Soc., vol. 20, 1925, p. 181—Knutt, Ohio State Univ. Studies, vol.
2, no. 2, 1925, p. 40, pl. 1, figs, 6, 21—CHAMBERLIN, Cat. Buprestidae,
1926, pp. 74-75 (part).

Agrilus virens Gory, Mon. Bupr. Suppl. vol. 4, 1841, p. 259, pl. 48, fig. 252.—

LeContTeE, Proc. Acad. Nat. Sci. Phila., vol. 9, 1857, p. 9; Trans. Amer.
Philos. Soec., vol. 11, new ser., 1859, p. 250.—Horn. Trans. Amer. Ent.
Soe., vol. 18, 1891, p. 334.

Agrilus egenus HARRINGTON (not Gory), Canad. Ent., vol. 15, 1883, p. 80;

14th Rept. Ent. Soc. Ontario for 1883 (1884), pp. 36, 45; Canad. Ent.,
vol. 16, 1884, p. 102; 15th Rept. Ent. Soc. Ontario for 1884 (1885), p.
31 (probably otiosus) —Cocox, 29th Rept. Mich. Board Agric., 1890, p.
119 (probably otiosus).—PAcKARD, 5th Rept. U. S. Ent. Comm., 1890,

NORTH AMERICAN BUPRESTID BEETLES 83

pp. 291. 872 (part).— CHITTENDEN, U. S. Dept. Agric., Div. Ent., Bull.
22, new ser., 1900, p. 67 (part).—Fett, N. Y. State Mus., Mem. 8, vol. 2,
1906, p. 729 (part)—DakrckE, Ent. News, vol. 20, 1909, p. 330 (prob-
ably otiosus)—Frost and Wetss, Canad. Ent., vol. 52, 1920, p. 223
(part) —MutTcHLER and Wetss, N. J. Dept. Agric., Bur. Statistics and
Inspection, Cire. 48, 1922, p. 8 (part).

Male.——Form slender, more or less linear, and moderately shining;
arttennae and head greenish blue; pronotum dark bronzy green, with
the sides more bluish; elytra piceous, with a strong greenish or
bronzy tinge; beneath dark bronzy green, and more shining than
above.

Head with the front wide, nearly flat, shghtly wider at bottom than
at top, the lateral margins nearly parallel to each other, and without
any distinct depressions; surface rather densely, coarsely punctate
toward the top, densely, finely granulose, becoming longitudinally
rugose on the occiput, and densely clothed on ‘the lower half with
long, silvery white pubescence, which conceals the surface; epistoma
strongly transverse between the antennae, and broadly but not deeply,
arcuately emarginate in front; antennae extending nearly to pos-
terior angles of pronotum, serrate from the fourth joint, and all
joints longer than wide; eyes large, strongly oblong, and slightly
more broadly rounded above than beneath.

Pronotum about one-fifth wider than long, base and apex about
equal in width, and widest along apical half; sides nearly parallel
from apical angles to just behind the middle, then obliquely nar-
rowed to the posterior angles, which are rectangular; when viewed
from the side the marginal and submarginal carinae are feebly sinu-
ate, narrowly separated anteriorly, and connected to each other near
the posterior angles; anterior margin strongly sinuate, with the
median lobe broadly, strongly rounded; base transversely bisinuate,
with the median lobe scarcely produced, and arcuately emarginate in
front of scutellum; disk moderately convex, with two round, feeble
depressions arranged longitudinally at the middle, a rather broad,
oblique depression along the lateral] margins near middle, and with
distinct, short, straight prehumeral carinae; surface coarsely, trans-
versely rugose, and with numerous fine punctures between the rugae.
Scutellum strongly, transversely carinate, and the surface obsoletely
reticulate.

Elytra slightly wider than pronotum at base, slightly wider at
base than behind the middle, broadly, feebly constricted in front
of middle, and arcuately narrowed posteriorly to the tips, which are
separately broadly rounded, and strongly serrulate; sides of abdomen
scarcely exposed above; disk slightly flattened, sutural margins
strongly elevated posteriorly. with broad, moderately deep basal
depressions, and with an obsolete longitudinal costa on each side;
surface densely imbricate-punctate.

84 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

Abdomen beneath finely, rather densely punctate, becoming some-
what rugose on the basal segments, and sparsely clothed with moder-
ately long, recumbent, whitish pubescence; first and second segments
feebly flattened at middle, and clothed with a longitudinal series of
densely placed, long, whitish hairs; vertical portions of the segments
not conspicuously pubescent; pygidium sparsely, coarsely punctate,
with the median carina feebly elevated, but not projecting. Proster-
num densely, finely punctate, and densely clothed with a longitudinal
series of long, fine, erect hairs at the middle; prosternal lobe rather
wide, slightly declivous, broadly rounded, and subtruncate or feebly
emarginate in front; prosternal process rather narrow, the sides
nearly parallel to behind the coxal cavities, then obliquely narrowed
to the apex, which is acute. Posterior coxae with the posterior mar-
gin broadly, arcuately emarginate, and the exterior angle nearly
rectangular. Tibiae slender, straight, and armed with a short tooth
on inner margin at apex. Posterior tarsi about as long as the tibiae,
and the first joint as long as the following joints united. Tarsal
claws similar on all feet, cleft near the middle, the outer tooth acute.
at apex, the inner one slightly broader, turned inward, and the tip
sometimes touching that of the opposite side.

Length, 5.25 mm.; width, 1.25 mm.

Female—Differs from the male in being more robust, front of
head aeneous, slightly more convex, and not densely clothed with
long, white pubescence behind the epistoma; marginal carinae of
pronotum more strongly sinuate; prehumeral carinae not quite so
sharply elevated; prosternum more sparsely punctate and not
clothed with long, erect hairs; first two abdominal segments not
depressed or clothed with long pubescence at middle; tibiae unarmed
at apex, and the posterior tarsi usually shorter than tibiae.

Redescribed from a male and female in the United States National
Museum collection, which were reared from hickory twigs collected
at Kanawha Station, West Virginia, by Dr. A. D. Hopkins. Since
the type of this species has been lost, I am designating the male
from which the above description was made as the neotype.

Type locality.—Indiana.

DISTRIBUTION

Material examined:

CoNNEcCTICUT: Wallingford, June 17 (D. J. Caffrey). Hamden, May-June
(Britton, Champlain, Walden). Westville, June (B. H. Walden). Port-
land, August 18 (Walden). New Haven, July (M. P. Zappe). Lyme,
reared (Fisher, Champlain). Greenwich, May; Cornwall, June 15
(Chamberlin).

District OF COLUMBIA: Washington, May (——).

Ittinois: Galesburg (Stromberg coll.).

InpDIANA: No definite locality.

NORTH AMERICAN BUPRESTID BEETLES 85

Iowa: Lake Okoboji, July 24 (lL. Buchanan).

Kansas: Leavenworth County, June 24 (H. P. Breakey).

MASSACHUSETTS: Melrose, June 10 (C. C. Sperry). Framingham, June (C. A.
Frost).

MicHIGAN: Saline, May 28 (———). Detroit, June (Hubbard and Schwarz).

Minnesota: No definite locality.

Mississrpp1: Agricultural College, May 9 (F. M. Hull).

New JERSEY: Da Costa, June 4 (——).

New York: Peconie, May 29; West Nyack Junction; Wyandanch, July 4 (FF. M.
Schott). Staten Island (M. L. Linell).

NortH CAROLINA: Tryon, reared (W. F. Fiske).

PENNSYLVANIA: Hummelstown, reared (J. N. Knull). Shiremanstown (A. B.
Champlain). MHighspire, Harrisburg, and Linglestown (W. S. Fisher).

VIRGINIA: Falls Church and Great Falls, May (Fisher).

WEsT VIRGINIA: Kanawha Station, May 13 (A. D. Hopkins).

Also recorded in the literature from Canada, and various localities not men-
tioned in the above list, but many of these records refer to the allied
species.

Variations.—This species is quite variable in coloration. In the
males the front of the head varies from a deep blue to a greenish
blue, the middle of the pronotum bronzy green to bronzy brown,
with the sides greenish, bronzy, or bluish, and sometimes the elytra
has a violaceous tinge. The median depressions on the pronotum are
more or less variable, sometimes they are rather deeply depressed,
and again the depressions are scarcely indicated. The prehumeral
carinae are also variable in length, but always distinctly elevated.
The hind tarsi vary somewhat in length, and the anterior margin of
the prosternal lobe is subtruncate or more or less emarginate in front.
Length 4 to 5.75 millimeters. .

Host.—This species has been reared a number of times by dif-
ferent workers from hickory (Hicoria species), which seems to be its
common host plant.

This species is badly confused in nearly all collections, and the
citations to it in the literature usually refer also to a number of the
allied species, and great care should be used in citing any of the
older records of this species.

Say says in the original description that the front of head is but
shghtly punctured except on the vertex. In fact, the lower half is
rather densely, finely punctured, but the surface is concealed by the
long, white pubescence, and if this were denuded, the surface would
be almost impunctate under a low power lense. Specimens were
examined from near the type locality, and were identical with the
one used as a neotype, but it seemed advisable to use the examples
from West Virginia, since both sexes were reared, and the female
is known to be of that species.

The males of this species can be separated from those of the
allied species by the following combination of characters: All of

86 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

the tibiae armed with a distinct tooth at apex, antennae not longer
than pronotum, last abdominal segment not fimbrate at apex, the
prosternum conspicuously pubescent, front of head densely clothed
with long white hairs behind the epistoma, and the genitalia with the
sides arcuately expanded and not transparent at apex. The females
can not be satisfactorily separated from those of the allied species.

24, AGRILUS ATRICORNIS, new species
Figure 18

Male——¥orm resembling otiosus Say, and rather strongly shining ;
antennae bluish black; head dark blue, with a feebly greenish tinge,
and becoming slightly aeneous on the occiput; pronotum dark brown.
becoming slightly aeneous toward the sides; elytra uniformly brown-
ish black; beneath piceous, with a feeble aeneous reflection.

Head with the front wide, vaguely convex, equal in width at top
and bottom, the lateral margins nearly parallel to each other, and
with a vague, longitudinal groove extending from occiput to middle
of front; surface densely granulose, coarsely, sparsely punctate. be-
coming transversely rugose behind the epistoma, and sparsely clothed
on lower half with long, white hairs; epistoma transverse between
the antennae, and broadly, arcuately emarginate in front; antennae
extending to about middle of pronotum, serrate from the fourth
joint, and the outer joints about as wide as long; eyes large, broadly
oblong, and about equally rounded above and beneath.

Protoum one-fourth wider than long, base and apex about equal
in width, and widest along apical half; sides nearly parallel from
apical angles to middle, then obliquely narrowed to the posterior
angles, which are nearly rectangular; when viewed from the side
the marginal carina is rather strongly sinuate, the submarginal carina
nearly straight, the two carinae rather widely separated anteriorly,
‘and connected to each other near the posterior angles; anterior mar-
gin strongly sinuate, with the median lobe strongly, broadly
rounded ; base strongly, transversely bisinuate, the median lobe feebly
produced, and subtruncate in front of scutellum; disk moderately
convex, with two round, shallow depressions arranged longitudinally
at the middle, a broad, deep, oblique depression along lateral mar-
gins, and with short, feebly elevated prehumeral carinae; surface
densely, finely granulose, feebly but not closely, transversely rugose,
and with numerous rather coarse punctures between the rugae. Scu-
tellum strongly, tranversely carinate, and the surface obsoletely
reticulate.

Elytra slightly wider than pronotum at base, and about equal in
width at base and just behind the middle; sides parallel for a short
distance behind base, broadly, arcuately constricted in front of

NORTH AMERICAN BUPRESTID BEETLES 87

middle, broadly, arcuately expanded behind the middle, then
obliquely narrowed to the tips, which are separately, rather narrowly
rounded, and feebly serrulate; sides of abdomen narrowly exposed
above; disk slightly flattened, sutural margins strongly elevated
behind the middle, with broad, moderately deep basal depressions,
and with an obsolete longitudinal costa on each side; surface densely,
coarsely imbricate-punctate.

Abdomen beneath obsoletely reticulate, sparsely, finely punctate,
becoming transversely rugose on basal segments, and sparsely
clothed with short, recumbent, whitish hairs; first and second seg-
ments vaguely, longitudinally flattened at the middle, and the first
segment clothed with a longitudinal series of longer hairs at middle;
vertical portions of segments not conspicuously pubescent; pygidium
sparsely, coarsely punctate, and with a vague longitudinal carina,
which is not projecting. Prosternum finely, sparsely punctate,
somewhat granulose, and clothed at the middle with a longitudinal
series of long, fine, erect hairs; prosternal lobe rather broad, strongly
declivous, and broadly but not very deeply, arcuately emarginate in
front; prosternal process rather narrow, the sides parallel to behind
the coxal cavities, then obliquely narrowed to the apex, which is
acute. Posterior coxae with the posterior margin broadly, arcuately
emarginate, with the exterior angle nearly rectangular. 'Tibiae slen-
der, straight, and armed with a distinct tooth on inner margin at
apex. Posterior tarsi slightly shorter than the tibiae, and the first
joint about as long as the following joints united. Tarsal claws
similar on all feet, cleft near the middle, the outer tooth acute at
apex, the inner one slightly broader, turned inward, and the tip
sometimes touching that of the opposite side.

Length, 4 mm.; width, 1 mm.

Female.—Differs from the male in having the front of head uni-
formly aeneous, with a brownish cupreous tinge, broader, rather
strongly convex, the surface more coarsely punctured, and the pubes-
cence shorter; eyes more broadly rounded above than beneath; pros-
ternum more sparsely punctate, and not clothed with long, erect
hairs at middle; first two abdominal segments convex at middle and
without long pubescence, and the tibae unarmed at apex.

Type locality—Lyme, Conn.

Other localities—Massachusetts, Sherborn; Illinois, La Grange
and Galesburg.

Type, allotype, and paratypes —Cat. No. 40991, U. S. N. M.

Paratypes.—Collections of C. A. Frost, and the Illnois Natural
History Survey.

Described from 17 specimens, 7 males and 10 females. Type
(male), allotype, and three paratypes collected on hazel (Corylus

88 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

americanus Walter) at Lyme, Conn., June 16, 1918, by W. S. Fisher;
three male and six female paratypes collected on the same host at
Sherborn, Mass., June 12, 1915, by C. A. Frost; two male paratypes
collected July 9, 1915, at La Grange, Hl.; and one male paratype
collected at Galesburg, Ill., from the Stromberg collection. _

This species is rather uniform in coloration, although the color
of the head and pronotum of the females varies from bronzy green to
bronzy cupreous. The sides of the pronotum show considerable
variation; in some examples they are arcuately rounded, whereas
in others the sides are strongly sinuate anteriorly, the depressions
at middle of pronotum vary in depth, and the prehumeral carinae
are more sharply elevated in some examples. The tarsi are more or
less variable in length, and the prosternal lobe is subtruncate to
arcuately emarginate in front. Length, 4 to 5 millimeters.

25. AGRILUS TRANSIMPRESSUS Fall
Figure 19

Agrilus transimpressus Fat, Bull. Brooklyn Ent. Soc., vol. 20, 1925, pp.
181-182. CHAMBERLIN, Cat. Buprestidae, 1926, p. 84.

Agrilus otiosus Hopkins, W. Va. Agric. Exp. Sta., Bull. 32, 1893, p. 183
(part).—StTromspere, Canad. Ent., vol. 26, 1894, p. 36 (part).—Curr-
TENDEN, U. S. Dept. Agric., Div. Ent., Bull. 22, new ser., 1900, p. 68
(part) —Frost and Weiss, Canad. Ent., vol. 52, 1920, pp. 205-206
(part)—MuTcHLER and Wetss, N. J. Dept. Agric, Bur. Statistics
and Inspection, Cire. 48, 1922, p. 9 (part).—FetLt, 35th Rept. N. Y. State
Ent. for 1921 (1923), p. 90 (part)—CHAMBERLIN, Cat. Buprestidae,
1926, pp. 74-75 (part).

Male—F¥orm resembling that of otéosus, rather strongly shining,
and feebly flattened above; head dark bronzy green; pronotum bronzy
brown at middle, becoming greenish toward the sides; elytra black,
with a feeble greenish reflection; beneath black, with a greenish or
aeneous tinge.

Head with the front wide, feebly convex, vaguely wider at bottom
than top, the lateral margins vaguely, arcuately expanded near mid-
dle, and without a longitudinal groove or depressions; surface
densely granulose, rather coarsely, densely punctate, becoming longi-
tudinally rugose on the occiput, and the surface anteriorly nearly
concealed by long, recumbent, silvery white pubescence; epistoma
scarcely transverse between the antennae, not elevated, and the an-
terior margin with a shallow, arcuate emargination at the middle:
antennae extending beyond middle of pronotum, serrate from the
fourth joint, and the outer joints slightly longer than wide; eyes
broadly elongate, and about equally rounded beneath and above.

Pronotum nearly one-third wider than long, about equal in width
at base and apex, and widest at middle; sides arcuately rounded from
apical angles to behind middle, then more strongly obliquely nar-

NORTH AMERICAN BUPRESTID BEETLES 89

rowed to the posterior angles, which are rectangular; when viewed
from the side the marginal and submarginal carinae are nearly
straight, narrowly separated anteriorly, and connected to each other
near the base; anterior margin strongly sinuate, and the median lobe
strongly, broadly rounded; base nearly transversely truncate, except
for a broad, feeble emargination at middle of each elytron; disk
moderately convex, with two broad, vague, median depressions, one
in front of scutellum, the other at apical third, a broad, shallow de-
pression on each side along lateral margin, and with rather short,
feebly indicated, obtuse, prehumeral carinae; surface densely, finely
eranulose, closely, vaguely, transversely rugose, finely, sparsely
punctate between the rugae, and without distinct pubescence. Scutel-
lum rather strongly, transversely carinate, and the surface densely,
finely reticulate.

Elytra shghtly wider than pronotum at base, and about equal in
width at base and behind middle; sides nearly parallel for ‘a short
distance behind base, very broadly, feebly constricted in front of
middle, broadly, arcuately expanded behind the middle, then ob-
liquely narrowed to the tips, which are separately, broadly rounded,
and finely serrulate; sides of abdomen scarcely exposed above; disk
vaguely flattened, without longitudinal costae, sutural margins rather
strongly elevated posteriorly, and with broad, shallow basal depres-
sions; surface densely and rather coarsely imbricate-punctate, and
without distinct pubescent.

Abdomen beneath obsoletely granulose, sparsely, finely punctate,
more or less rugose on basal segment, and sparsely clothed with mod-
erately long, recumbent, fine hairs; first segment broadly, longitudi-
nally depressed; second segment broadly, transversely concave when
viewed from the side; last segment rather broadly rounded at apex;
vertical portions of segments not conspicuously pubescent; pygidium
sparsely, coarsely punctate, but not longitudinally carinate. Pro-
sternum finely, densely granulose, and sparsely clothed with mod-
erately long, recumbent, white hairs; prosternal lobe broad, moder-
ately declivous, and broadly, vaguely emarginate in front; prosternal
process narrow, the sides parallel to behind the coxal cavities, then
obliquely narrowed to the apex, which is acute. Tibiae slender, and
all three pairs armed with a long, slender tooth on inner margin at
apex. Posterior tarsi nearly as long as the tibiae, and the first joint
as long as the following joints united. Tarsal claws similar on all
feet, cleft near middle, the outer tooth acute at apex, the inner one
broader, turned inward, and the tip touching that of the opposite
side.

Length, 5 mm.; width, 1 mm.

Female.—Differs from the male in having front of head more
convex, slightly wider at top than bottom, uniformly aeneous, and

90 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

the surface more sparsely punctured and less pubescent; antennae
shorter, and the outer joints slightly wider than long; surface above
piceous, the pronotum becoming aeneous toward the sides; beneath
black, with a more or less aeneous tinge; tibiae unarmed at apex;
first and second abdominal segments convex at middle, and the last
segment more acutely rounded at apex.

Redescribed from the male type in the collection of H. C. Fall.

Type locality —Hope, Ark.

DISTRIBUTION
Material examined:

ARKANSAS: Hope, April 14 (Louise Knobel).

InDIANA: Evansville, June 27 (H. Soltau).

MARYLAND: Plummer Island, reared (A. D. Hopkins) ; June 8 (A. Wetmore) ;
May 25 (H. 8S. Barber).

Mississippi: Agricultural College, May 24 (IF. M. Hull).

New Jersey: Clementon, May 30 (——).

NorTH CAROLINA: Tryon, reared (W. F. Fiske).

Onto: Cincinnati (C. Dury).

VIRGINIA: Great Falls, May 19 (W. L. McAtee). Tazewell, June 9 (L. O.
Jackson). Chain Bridge, June 5 (J. C. Bridwell).

WEST VIRGINIA: Kanawha Station, reared (A. D. Hopkins).

Variations —Length 4.5 to 6 millimeters. The front of the head
in the male varies from bright blue to bronzy green. Sometimes
the sides of the pronotum are parallel to each other along the anterior
half, and the median depressions are moderately deep in some ex-
amples, whereas in others the depressions are scarcely indicated.
The anterior margin of the prosternal Iobe is broadly truncate or
feebly emarginate, and sometimes the outer joints of the antennae are
as wide as long.

Host.—This species has been reared from black walnut (Juglans
nigra Linnaeus) by A. D. Hopkins and W. F. Fiske, and the adults
are usually found feeding on the foliage of these trees.

The males of this species are easily separated from those of the
allied species of this genus, in having the second abdominal segment
transversely concave, causing the posterior part of the abdomen to
be more or less bent downward, but the females can not be separated
from the allied species.

26. AGRILUS FROSTI Knull
Figure 20

Agrilus frosti KNuLL, Ent. News, vol. 31, 1920, pp. 8-9.—Frost and WEISs,
Canad. Ent., vol. 52, 1920, p. 206.—NicoLay, Journ. N. Y. Hnt. Soc.,
vol. 29, 1921, p. 175.—KNnutt, Canad. Ent., vol. 54, 1922, p. 84.—F att,
Bull. Brooklyn Ent. Soc., vol. 20, 1925, p. 182.—Kwnvuiz, Ohio State
Univ. Studies, vol. 2, no. 2, 1925, p. 41, pl. 1, fig. 3—CHAMBERLIN,
Cat. Buprestidae, 1926, p. 63.

NORTH AMERICAN BUPRESTID BEETLES 91

Agrilus otiosus BLANCHARD, Wnt. Amer., vol. 5, 1889, p. 32 (?).—Hamuinton,
Trans. Amer. Ent. Soc., vol. 22, 1895, p. 364 (part).—Smiry, 27th
Rept. N. J. State Board Agric. for 1899 (1900), suppl., p. 257 (part).—
ULKE, U. S. Nat. Mus., vol. 25, no. 1275, 1902, p. 47 (part).—FeEtr,
N. Y. State Mus., Mem. 8, vol. 2, 1906, p. 518 (part).—SmirH, Rept.
N. J. State Mus. for 1909 (1910), p. 295 (part).—BLatcHLry, Coleoptera
of Indiana, 1910, pp. 798-759 (part).—FrRost, Canad. Ent., vol. 44,
1912, p. 252 (part)—CuHaenon, 9th Rept. Quebec Soc. Protection
Plants, suppl. pt. 3, 1917, p. 219 (part).—Frost, and Weiss, Canad.
Ent., vol. 52, 1920, pp. 205-206 (part)—MutTcHLErR and Weiss, N. J.
Dept. Agric., Bur. Statistics and Inspection, Cire. 48, 1922, p. 9,
(part).—FeEt, 35th Rept. N. Y. State Hnt. for 1921 (1923), p. 90
(part).—CHAMBERLIN, Cat. Buprestidae, 1926, pp. 74-75 (part).

Male—F¥orm of otiosus Say, and moderately shining; antennae
and head green, the latter becoming aeneo-cupreous on the occiput;
pronotum bronzy brown on the median part, becoming bronzy green
toward the sides; elytra black, with a vague purplish reflection;
beneath uniformly dark bronzy green, and more shining than above.

Head with the front wide, slightly convex, about equal in width at
top and bottom, the lateral margins feebly, arcuately expanded at
vertex, and without a median depression; surface finely, densely
granulose, coarsely, rather densely punctate, slightly rugose behind
the epistoma, feebly, longitudinally rugose on occiput, and sparsely
clothed on lower half with long, semierect, whitish pubescence;
epistoma transverse between the antennae, and feebly, broadly emar-
ginate in front; antennae extending slightly beyond middle of
pronotum, serrate from the fourth joint, and the outer joints slightly
longer than wide; eyes large, rather broadly oblong, and about
equally rounded above and beneath.

Pronotum nearly one-half wider than long, slightly narrower at
base than apex, and widest near the middle; sides nearly parallel or
feebly sinuate from apical angles to middle, then obliquely narrowed
to the posterior angles, which are rectangular; when viewed from
the side the marginal carina is more or less sinuate, the submarginal
carina nearly straight, the two carinae rather widely separated an-
teriorly, and connected to each other at base; anterior margin
strongly sinuate, with the median lobe broadly rounded; base trans-
versely bisinuate, the median lobe feebly produced, and arcuately
emarginate in front of scutellum; disk moderately convex, with two
round, more or less distinct depressions arranged longitudinally at
the middle, a broad, deep depression along lateral margin, extend-
ing from near the apex to base, and with feebly indicated prehumeral
carinae; surface coarsely, densely, transversely rugose, finely, densely
granulose, and with numerous fine punctures between the rugae.
Scutellum strongly, transversely carinate, with the surface densely
reticulate.

2305—28——7

92 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

Klytra slightly wider than pronotum at base, about equal in width
at base and apical third, broadly, arcuately constricted in front of
middle, and arcuately narrowed from apical third to the tips, which
are separately, broadly rounded, and feebly, irregularly serrulate;
sides of abdomen slightly exposed above; disk feebly convex, vaguely,
longitudinally depressed, sutural margins elevated posteriorly, and
with broad, shallow basal depressions; surface densely imbricate-
granulate. -

Abdomen beneath coarsely, densely punctate, and finely granulose
on the basal segments, becoming more sparsely and finely punctate
toward the apex, the punctures more or less connected transversely
by fine, sinuate lines, and uniformly, rather sparsely clothed with
short, recumbent, whitish pubescence; first and second segments
feebly, broadly, longitudinally flattened, but not densely pubescent ;
vertical portions of the segments not conspicuously pubescent;
pygidium sparsely, coarsely punctate, but not longitudinally carinate.
Prosternum coarsely, densely granulose, somewhat rugose, and
sparsely clothed with short, inconspicuous hairs; prosternal lobe
broad, strongly declivous, and vaguely, broadly emarginate in front;
prosternal process rather narrow, the sides parallel to behind the
coxal cavities, then obliquely narrowed to the apex, which is acute.
Posterior coxae with the posterior margin broadly, arcuately emar-
ginate, and the exterior angle rectangular. Tibiae slender, the an-
terior pair slightly arcuate, and all three pairs armed with a long
tooth on inner margin at apex. Posterior tarsi slightly shorter than
tibiae, and the first joint as long as the following three joints united.
Tarsal claws similar on all feet, cleft near the middle, the outer tooth
acute at apex, the inner one slightly broader, turned inward, and
the tip sometimes touching that of the opposite side.

Length, 4.25 mm.; width, 1 mm.

Female.—Differs from the male in having the front of head
broader, more convex, occiput slightly grooved, the lateral margins
more parallel to each other, the surface aeneous, with a cupreous
tinge, and more sparsely pubescent behind the epistoma; pronotum
more uniformly aeneous; prosternum more sparsely punctured; first
two abdominal segments convex at middle, and the tibiae without a
distinct tooth on inner margin at apex.

Redescribed from the type (male) in the collection of J. N. Knull.

Type locality —Framingham, Mass.

DISTRIBUTION
Material examined:

CoNNECTICUT: New Haven, reared (A. B. Champlain) ; June 10 (B. H. Walden).
Manchester, May 20 (Champlain). Hamden, June 20 (Walden). Lyme,
May 24 (W. S. Fisher).

NORTH AMERICAN BUPRESTID BEETLES 93

InuNois: Beverly Hills, June 15; Palos Park, June 17; Willow Springs, May
22 (BH. Liljeblad).

Towa: Elma, June 14-30 (——).
Lake Okoboji, July 24 (L. Buchanan).

MANITOBA: Winnipeg, July 1 (L. H. Roberts).

MASSACHUSETTS: Framingham, May; Natick, June 5; Sherborn, June 7 (C. A.
Frost). Springfield (EH. A. Chapin). Melrose, June 10 (C. C. Sperry).

New York: Oleott, May—July (H. Dietrich).

NortH Carotina: Tryon, May 15 (W. F. Fiske).

PENNSYLVANIA: Charter Oak, June 21 (Kirk and Knull). Harrisburg, May 24;
Hummelstown, June 22; Chambersburg, June 6; Berks County, June 1
(J. N. Knull).

Variations —Length 8.75 to 5.5 millimeters. The front of the head
in the male varies from a bright blue to a bronzy green, and in the
female from bronzy cupreous to a dark brownish cupreous. The
outer joints of the antennae are sometimes as wide as long, the eyes
occasionally more acutely rounded beneath than above, and the pro-
sternal lobe is subtruncate or feebly emarginate in front. The median
depressions on the pronotum are variable in depth, moderately deep
in some examples, and scarcely indicated in others, and the pre-
humeral carinae are also slightly variable, but never as sharply ele-
vated as in juglandis, and in some examples are nearly absent.

Host.—This species has been reared from oak (Quercus species) by
A. B. Champlain from material collected at New Haven, Conn.

This species resembles otiosus very closely, but the absence of the
conspicuous pubescence on the prosternum of the male will distin-
guish it from that species. The male genitalia are also quite differ-
ent from those of otiosus and juglandis, being flattened and strongly,
arcuately expanded near the apex, whereas in those species the sides
are nearly parallel to each other near the apex. The females can not
be satisfactorily separated from those of the allied species.

27. AGRILUS JUGLANDIS Knull
Figure 21

Agrilus juglandis Knut, Ent. News, vol. 31, 1920, pp. 7-8.—Frost and
Weiss, Canad. Ent., vol. 52, 1920, p. 206——Brirron, Conn. State Geol.
and Nat. Hist. Survey, Bull. 31, 1920, p. 244.—Nicotay, Journ. N. Y.
Ent. Soe., vol. 29, 1921, p. 175—Knuiu, Canad. Ent., vol. 54, 1922,
p. 85.—F att, Bull. Brooklyn Ent. Soc., vol. 20, 1925, p. 182—KNULL,
Ohio State Univ. Studies, vol. 2, no. 2, 1925, pp. 40-41, pl. 1, fig. 2—
CHAMBERLIN, Cat. Buprestidae, 1926, p. 67.

Agrilus otiosus STRoMBERG, Canad. Ent., vol. 26, 1894, p. 36 (part) —CuHIT-
TENDEN, U. S. Dept. Agric., Div. Ent., Bull. 22, new ser., 1900, pp. 65-66,
68 (part).—FeExLt, N. Y. State Mus., Mem. 8, vol. 2, 1906, p. 518
(part).—Frost and Wetss, Canad. Ent., vol. 52, 1920, pp. 205-206
(part).—MuvTCcHLER and WEtss, N. J. Dept. Agric., Bur. Statistics and
Inspection, Cire. 48, 1922, p. 9 (part).—FE.LT, 35th Rept. N. Y. State
Ent. for 1921 (1923), p. 90 (part).—CHAMBERIIN, Cat. Buprestidae,
1926, pp. 74-75 (part).

Q4 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

Male-—F¥orm of masculinus Horn, and moderately shining; an-
tennae and head green, the latter aeneo-cupreous on the occiput;
pronotum bronzy brown, with the sides slightly more greenish;
elytra piceous, with a feeble aeneous tinge; beneath black, with a
feeble aeneous or greenish reflection, and slightly more shining than
above.

Head with the front wide, slightly convex, and about equal in
width at top and bottom, the lateral margins vaguely, arcuately
expanded at vertex, and with an obsolete, longitudinal, median de-
pression; surface coarsely, sparsely punctate, finely, densely granu-
lose, more or less rugose behind the epistoma, feebly, longitudinally
rugose on the occiput, and rather densely clothed on lower half with
moderately long, semierect, white pubescence, which does not conceal
the surface; epistoma strongly transverse between the antennae, and
rather deeply, arcuately emarginate in front; antennae extending to
middle of pronotum, serrate from the fourth joint, and the outer
joints as wide as long; eyes large, broadly oblong, and about equally
rounded above and beneath.

Pronotum three-sevenths wider than long, base and apex about
equal in width, and widest just behind the middle; sides obliquely
expanded from apical angles to behind middle, where they are feebly,
obtusely angulated, then obliquely narrowed to the posterior angles,
which are rectangular; when viewed from the side the marginal
carina is slightly sinuate, the submarginal carina nearly straight, the
two carinae rather widely separated at apical fourth, and connected
to each other near the base; anterior margin strongly sinuate, with
a broadly rounded median lobe; base transversely bisinuate, the
median lobe scarcely produced, and feebly emarginate in front of
scutellum; disk moderately convex, with two broad, indistinct de-
pressions arranged longitudinally at middle, a deep, broad depression
along lateral margin extending from apical fourth to base, and with
sharply defined, straight, prehumeral carinae, extending from base
to basal third; surface coarsely, densely, transversely rugose, finely,
densely granulose, and with numerous fine punctures between the
rugae. Scutellum strongly, transversely carinate, and the surface
densely reticulate.

Elytra wider than pronotum at base, and about equal in width at
base and apical third; sides parallel for a short distance behind
base, broadly, arcuately constricted in front of middle, broadly
rounded at apical third, then obliquely narrowed to the tips, which
are separately, rather broadly rounded, and feebly, irregularly
serrulate; sides of abdomen not visible from above; disk feebly
convex, sutural margins elevated posteriorly, with broad, moderately
deep basal depressions, and without distinct costae; surface densely
imbricate-punctate.

NORTH AMERICAN BUPRESTID BEETLES 95

Abdomen beneath vaguely granulose, rather coarsely, densely
punctate on the basal segments, but becoming more sparsely, finely
punctate toward the apex, and sparsely clothed with short, re-
cumbent, whitish pubescence; first and second segments convex, and
not depressed or pubescent at middle; vertical portions of the seg-
ments not conspicuously pubescent; pygidium sparsely, coarsely
punctate, with the median carina feebly elevated, but not projecting.
Prosternum densely, finely granulose, with a few shallow punctures
intermixed, and sparsely clothed with short, semierect, whitish hairs;
prosternal lobe broad, strongly declivous, and broadly, feebly emar-
ginate in front; prosternal process broad, the sides parallel to
behind the coxal cavities, then arcuately narrowed to the apex, which
is rather acute. Posterior coxae with the posterior margin broadly,
arcuately emarginate, and the exterior angle nearly rectangular.
Tibiae slender, and all three pairs armed with a distinct tooth on
inner margin at apex. Posterior tarsi slightly shorter than the
tibiae, and the first joint as long as the following joints united.
Tarsal claws similar on all the feet, cleft near the middle, the outer
tooth acute at apex, the inner one slightly broader, turned inward,
and the tip sometimes touching that of the opposite side.

Length, 5.5 mm.; width, 1.4 mm.

Female.—Diflers from the male in having the front of head
broader, more convex, aeneo-cupreous, and not so densely pubescent
behind the epistoma; prosternum more finely granulose and the
pubescence shorter, and the tibiae unarmed at apex.

Redescribed from the type in the collection of J. N. Knull.

Type locality —Hummelstown, Pa.

DISTRIBUTION

Material examined:

CONNECTICUT : New Haven, June 1; North Guilford, June 16 (M. P. Zappe).
Cornwall, June (Frost, Chamberlin). Lyme, reared (Fisher, Champlain).

Intinois: Riverside, June 8 (H. Liljeblad).

MicHIGAN: Detroit, May—June (Hubbard and Schwarz).

New York: Ilion, May ( ). Poughkeepsie, June ( ie

PENNSYLVANIA: Hummelstown, June; Linglestown; Charter Oak, June 21 (J. N.
Knuil).

Vireinta: Afton (Hubbard and Schwarz).

Variations—Very little variation was observed in the specimens
examined, the color is rather constant, but the sides of the pronotum
are sometimes widest along the anterior half, with the margins
nearly parallel to each other, or slightly sinuate, the median depres-
sions are more or less variable in depth, and the anterior margin of
the prosternal lobe is subtruncate or feebly emarginate. Length,
4.5 to 6 millimeters.

96 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

Host.—The larvae of this species live in the outer bark of living
butternut (Juglans cinerea Linnaeus), and adults have been reared
from this host by Knull, Champlain, and Fisher.

This species is closely allied to frost? Knull, but in the males the
first and second abdominal segments are not longitudinally flattened
as in that species, and can be easily separated from it by the genitalia,
which is strongly, arcuately expanded at the middle, with the sides
nearly parallel to each other toward the apex. The females can not
be satisfactorily separated, from those of the allied species.

28. AGRILUS PUNCTICEPS LeConte

Agrilus puncticeps LeConte, Trans. Amer. Philos. Soc., vol. 11, new ser.,
1859, p. 249.—Prrtit, Canad. Ent., vol. 2, 1870, p. 102.—ZrscH and
REINECKE, North Amer. Ent. (Buffalo, N. Y.), vol. 1, 1880, p. vii—
Horn, Trans. Amer. Ent. Soe., vol. 18, 1891, p. 336.—Frost, Canad.
Ent., vol. 44, 1912, p. 249-——CHAMBERLIN, Cat. Buprestidae, 1926, p. 60.

Female—¥orm that of otiosus Say, and moderately shining; an-
tennae blackish green; head bronzy green, becoming cupreous on
the occiput; pronotum brownish cupreous on the median part, and
becoming bronzy green toward the sides; elytra brownish black;
beneath black, with a more or less aeneous or greenish tinge, and
more shining than above.

Head with the front wide, slightly convex, about equal in width
at top and bottom, the lateral margins nearly parallel to each other
and without a distinct median groove; surface rather coarsely,
densely granulose, very coarsely, deeply punctate, becoming longi-
tudinally rugose on the occiput, and sparsely clothed behind the
epistoma with long, semierect, white hairs; epistoma transverse
between the antennae, and feebly, broadly, arcuately emarginate in
front; antennae extending slightly beyond middle of pronotum,
serrate from the fourth joint, and the outer joints as wide as long;
eyes large, strongly elongate, and about equally rounded above and
beneath.

Pronotum one-half wider than long, slightly narrower at base than
apex, and widest along apical half, sides nearly parallel from apical
angles to middle, then feebly narrowed to near the posterior angles,
where they are vaguely sinuate; when viewed from the side the mar-
ginal carina is feebly sinuate, the submarginal carina straight, the
two carinae rather widely separated anteriorly, and connected to
each other near the posterior angles; anterior margin strongly sinu-
ate, with the median lobe strongly, broadly rounded; base strongly,
transversely bisinuate, the median lobe feebly produced, and arcu-
ately emarginate in front of scutellum; disk moderately convex, with
two round, shallow median depressions, of which the posterior one
is slightly more deeply depressed, a broad, deep depression along

NORTH AMERICAN BUPRESTID BEETLES 97

lateral margin, and with short, sharply defined, prehumeral carinae;
surface coarsely, densely granulose, coarsely, densely, transversely
rugose, and with numerous fine punctures between the rugae. Scu-
tellum strongly, transversely carinate, and the surface finely, densely
reticulate.

Elytra slightly wider than pronotum at base, about equal in width
at base and apical third, broadly, arcuately constricted in front of
middle, and obliquely narrowed from apical third to the tips, which
are separately, broadly rounded, and feebly, irregularly serrulate;
sides of abdomen slightly exposed above; disk feebly convex, vaguely,
longitudinally depressed, sutural margins elevated posteriorly, and
with broad, shallow basal depressions; surface densely, coarsely
imbricate-punctate.

Abdomen beneath densely, obsoletely granulose, rather densely,
coarsely, uniformly punctate, the punctures more or less connected
transversely by fine, sinuate lines, which are coarser on basal seg-
ment, and rather sparsely, uniformly clothed with short, recumbent,
whitish pubescence; first and second segments convex at middle; ver-
tical portions of segments not conspicuously pubescent; pygidium
sparsely, coarsely punctate, feebly, longitudinally carinate, but the
carinae not projecting. Prosternum finely, densely granulose, some-
what rugose, and sparsely clothed with short, semierect hairs; pros-
ternal lobe broad, strongly declivous, and feebly, arcuately emar-
ginate in front; prosternal process rather narrow, the sides parallel
to behind the coxal cavities, then obliquely narrowed to the apex,
which is acute. Posterior coxae with the posterior margin broadly,
arcuately emarginate, and the exterior angle rectangular. Tibiae
slender, and the anterior and middle pairs armed with a short tooth
at apex. Posterior tarsi slightly shorter than tibiae, and the first
joint as long as the following joints united. Tarsal claws cleft near
the middle, the outer tooth acute at apex, the inner one slightly
broader, turned inward, and the tip touching that of the opposite
side. (Anterior and posterior claws missing.)

Length, 6 mm.; width, 1.5 mm.

Male.—Unknown.

Type locality —Southern States.

Redescribed from the female type (specimen No. 13, under egenus
Gory) in the LeConte collection in the Museum of eee
Zoology, at Cambridge, Mass.

It is rather unfortunate that this species was sestnnes from a
female, since the females of this and allied species can not be sepa-
rated. It is possible that puncticeps LeConte and juglandis Knull
are the same species. A female paratype of juglandis was compared
with the female type of puncticeps, and they seem to be identical,

98 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

both specimens having the coarse, widely separated punctures on the
head, but since no constant characters have been found for separating
these females, and jwglandis has been described from reared mate-
rial of both sexes, it seems advisable to retain both names for the
present. In case constant characters are found in the future for
separating the females of the otiosus group, and these two species
should prove to be the same, puncticeps will have precedence over
juglandis.

It is difficult to see how Horn (1891) could have placed puncticeps
as a synonym of egenus Gory, since the two species belong to dif-
ferent groups of the genus, egenus having the antennae serrate from
the fifth joint, and puncticeps serrate from the fourth joint. Cham-
berlin (1926) gives the host as black locust, but this is the host plant
of egenus, of which the above species has been erroneously placed as
a synonym.

Host—Unknown.

29. AGRILUS MACER LeConte
Figure 22

Agrilus macer LeConte, Proc. Acad. Nat. Sci. Phila., vol. 10, 1858, p. 70;
Journ. Acad. Nat. Sei. Phila., ser. 2, vol. 4, 1858, p. 85; Trans. Amer.
Philos. Soc., new ser., vol. 11, 1859, p. 248—Horn, Trans. Amer.
Hnt. Soec., vol. 18, 1891, pp. 298-299, pl. 8, fig. 9—Hamintton, Ent. News,
vol. 7, 1896, p. 292; Canad. Hnt., vol. 28, 1896, p. 263.—CHIrTTENDEN,
U. 8S. Dept. Agric., Div. HEnt., Bull. 22, new ser., 1900, p. 68—
SCHAEFFER, Brooklyn Inst. Mus., Sci. Bull. vol. 1, no. 6, 1905, p. 131.—
Frost and Weiss, Canad. Ent., vol. 52, 1920, p. 207.—CHAMBERLIN,
Cat. Buprestidae, 1926, p. 69.

Male—Strongly elongate, distinctly flattened and strongly shin-
ing; head aeneous, greenish toward the sides, and becoming brownish
cupreous on occiput; pronotum and elytra uniformly brownish cupre-
ous; beneath brownish cupreous, slightly more shining than above,
and the legs greenish.

Head with the front rather narrow, slightly, irregularly concave,
about equal in width at bottom and top, lateral margins arcuately
expanded at middle, and with a distinct, longitudinal groove on the
occiput; surface uneven, coarsely, rather densely punctate, somewhat
rugose, and sparsely clothed with long, recumbent whitish hairs;
epistoma strongly transverse between the antennae, and very broadly,
deeply, arcuately emarginate in front; antennae extending to middle
of pronotum, serrate from the fourth joint, and the outer joints as
wide as long; eyes large, elongate, and about equally rounded above
and beneath.

Pronotum nearly one-half wider than long, wider at apex than
at base, and widest near apical angles; sides obliquely narrowed

NORTH AMERICAN BUPRESTID BEETLES 99

from near apical angles to base; when viewed from the side the
marginal carina is strongly sinuate, the submarginal carina nearly
straight, the two carinae narrowly separated at apical fourth, and
connected to each other near the base; anterior margin strongly
sinuate, with a feebly rounded median lobe; base distinctly emar-
ginate at middle of each elytron, the median lobe broadly rounded
and feebly emarginate or subtruncate in front of scutellum; disk
moderately convex, with a broad, shallow median depression behind
the middle, a rather broad, deep depression on each side along the
lateral margin, and with a distinct, broadly rounded prehumeral
carina extending from posterior angle obliquely inward to basal
third; surface coarsely, densely, transversely rugose, finely punctate
between the rugae, and at the sides sparsely clothed with long,
recumbent, yellowish pubescence. Scutellum distinctly, trans-
versely carinate, and the surface finely reticulate.

Elytra slightly wider than pronotum at base; sides nearly parallel
behind base, feebly narrowed to behind the middle, then obliquely
attenuate to the tips, which are separately, narrowly rounded, and
coarsely serrulate; sides of abdomen narrowly exposed above; disk
depressed, with a distinct smooth, longitudinal costa extending from
humeri to near the tips, the sutural margins feebly elevated pos-
teriorly, the interval between the sutural margin and longitudinal
costa flat, and with broad, shallow basal depressions; surface
coarsely, feebly imbricate-punctate, and sparsely clothed with short,
recumbent, whitish pubescence.

Abdomen beneath finely, sparsely punctate at the middle, the punc-
tures becoming denser toward the sides, where the surface is rathet
densely clothed with short, recumbent, yellowish pubescence; verti-
cal portions of the segments densely but not conspicuously clothed
with yellowish pubescence; first and second segments convex at
middle, and not pubescent; last segment broadly truncate at apex;
pygidium with a narrow projecting carina, which is emarginate at
apex. Prosternum densely, finely punctate on median parts, the
punctures becoming coarser toward the sides, and rather densely
clothed at middle with long, erect, inconspicuous hairs; prosternal
lobe broad, feebly declivous, broadly rounded or subtruncate in front;
prosternal process broad, flat, the sides parallel to behind the coxal
cavities, and the apex broadly rounded. Posterior coxae with the
posterior margin transverse, strongly sinuate, and the exterior angle
rectangular. Tibiae slender, the anterior and middle pairs feebly
arcuate, and with a small tooth on the inner margin at apex. Pos-
terior tarsi as long as the tibiae, and the first joint nearly as long as
the following joints united. Tarsal claws similar on all feet, cleft

100 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

near the middle, the outer tooth long and acute, the inner one short,
broader, and not turned inward.

Length, 8.5 mm.; width, 1.8 mm.

Female.—Ditters from male in having the front of head broader,
antennae slightly shorter; prosternum coarsely punctate at middle
and not pubescent; posterior tarsi shorter than tibiae, and the
anterior tibiae unarmed at apex.

Redescribed from the male type (no. 1) in the Museum of Com-
parative Zodlogy, Cambridge, Mass.

Type locality—Kagle Pass, Tex.

DISTRIBUTION

Material examined:

TrExAs: Hagle Pass (type). La Grange, August 17; Columbus, July 22 (Hub-
bard and Schwarz). Brownsville, May 28 to June 12, reared (H. S.
Barber). Brownwood, May 9 (F. M. Hull). Chisos Mountains, July 20-24
(H. A. Wenzel). New Braunfels, May (H. Mittendorf).

Recorded also from Carmal County, Tex. It has also been recorded from
Pennsylvania and Kentucky from erroneously identified or incorrectly
labeled specimens.

Variations ——The species is somewhat variable, the color varying
from olivaceous green to brownish cupreous, with the pubescence on
the head whitish or yellowish white. The median depression on
pronotum is slightly variable in depth, and the anterior margin of
the prosternum is broadly rounded or feebly, arcuately emarginate.
The greatest variation is in the shape of the lateral margins of the
pronotum, which is widest at the middle, and the sides are feebly,
regularly rounded in some examples, whereas in others the sides are
nearly parallel to each other, and the margins are strongly sinuate.
Length 8.5 to 16 millimeters.

- Host—This species has been found by Hubbard and Schwarz at

Brownsville, Tex., boring in Celtis, and H. S. Barber has reared a

number of adults from Hackberry (Celtis occidentalis Linnaeus) col-

lected at the same locality.

The type of this species is a very small specimen collected by Mr.
Schott, and is more brownish cupreous than most of the specimens
examined. Horn (1891) states that in the male the front of the
head is more concave than in the female, and that the scutellum is
scarcely carinate. This statement is incorrect, as the front of the
head is about equally concave in both sexes, and the carina on the
scutellum is equally distinct in all of the specimens examined of
both sexes. Horn also states that in the original description the
scutellum is said to be not carinate, but LeConte does not mention
the scutellum in his original description, and on examining the type
the scutellum was found to be distinctly carinate.

NORTH AMERICAN BUPRESTID BEETLES 101
30. AGRILUS PULCHELLUS Bland
Figure 23

Agrilus pulchellus BLAND, Proc. Ent. Soc. Phila., vol. 4, 1865, p. 382.—
© CrotcH, Proc. Acad. Nat. Sci., Phila., vol. 25, 1873, pp. 98-94.—LEConTE,
Proce. Acad. Nat. Sci., Phila., vol. 25, 1873, p. 3833.—Horn, Trans. Amer.
Hnt. Soe., vol. 18, 1891, pp. 312-813; Proc. Calif. Acad. Sci., vol. 4,
ser. 2, 1894, pp. 378-379.—-CHITTENDEN, U. S. Dept. Agric., Div. Ent.,
Bull, 22, new ser., 1900, p. 68.—WickHAM, Bull. Lab. Nat. Hist., State
Univ. Lowa, vol. 5, no. 3, 1902, p. 269.—ScHaArErrer, Brooklyn Inst. Mus.,
Sci. Bull. vol. 1, no. 7, 1905, p. 150.—F atu and CocKERELL, Trans. Amer.
Ent. Soc., vol. 83, 1907, p. 181—Frost and WEtss, Canad. Ent., vol. 52,
1920, p. 210.

Engyaulus pulchellus (Bland) WatTrERHOuSE, Biol. Centr.-Amer. Coleopt.,
vol. 3, pt. 1, 1889, p. 50, pl. 4, fig. 9—Goop, Ann. Hnt. Soc. Amer., vol. 18,
1925, p. 271, pl. 11, fig. 39.—CHAmBeERLIN, Cat. Buprestidae, 1926,
p. 201.

Agrilus pinalicus WickHAM, Canad. Ent., vol. 35, 1903, pp. 69-70 (new
synonymy ).—F ALL and CocKERELL, Trans. Amer. Ent. Soc., vol. 33, 1907,
p. 180.—CHAMBERLIN, Cat. Buprestidae, 1926, p. 76.

Female—¥orm subcylindrical, moderately robust, slightly flat-
tened above, and rather strongly shining; head greenish blue, with
a feeble violaceous tinge in front; pronotum blue, with a feeble
violaceous reflection; elytra blue along sutural margins, narrowly
margined golden green internally, and with the lateral two-thirds
reddish cupreous; beneath black, and the legs dark green.

Head with the front narrow, strongly declivous anteriorly, and
vaguely wider at top than at bottom, the lateral margins feebly
expanded from bottom to top, and with a broad, very deep, median
depression, almost bilobed, extending from vertex to epistoma; sur-
face coarsely, densely, irregularly rugose, densely, coarsely punctate
between the rugae, and sparsely clothed with long, recumbent, whit-
ish pubescence in the depression; epistoma very narrow between the
antennae, and very broadly, deeply, arcuately emarginate in front;
antennae nearly contiguous at base, robust, extending slightly beyond
anterior margin of pronotum, serrate from the fourth joint, and the
outer joints distinctly wider than long; eyes large, broadly oblong,
and equally rounded above and beneath.

Pronotum slightly wider than long, about equal in width at base
and apex, and widest near middle; sides feebly, arcuately rounded
from apical angles to behind middle, then more obliquely narrowed
to the posterior angles, which are rectangular; when viewed from
the side the marginal carina is feebly sinuate, the submarginal
carina nearly straight, and the two carinae widely separated ante-
riorly ; anterior margin feebly sinuate, with the median lobe vaguely
rounded; base transversely truncate to middle of each elytron, then
broadly rounded to the scutellum, in front of which it is subtruncate ;

102 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

disk moderately convex, with two broad, shallow, median depres-
sions placed longitudinally, the anterior one being slightly deeper,
a broad, shallow depression on each side along lateral margin, and
without distinct prehumeral carinae; surface coarsely, deeply, irregu-
larly rugose, finely, sparsely punctate between the rugae, and clothed
with a few long hairs in the depressions. Scutellum not transversely
carinate, but the surface coarsely rugose.

Elytra wider than pronotum at base, and distinctly wider at base
than behind middle; side feebly rounded for a short distance behind
base, strongly, broadly constricted in front of middle, feebly, arcu-
ately expanded behind middle, then obliquely narrowed to the tips,
which are separately, broadly rounded, and ieebly serruiate; sides
of abdomen broadly exposed above; disk feebly flattened, with broad,
moderately deep basal depressions; surface densely, coarsely granu-
late-muricate, transversely rugose toward the sides, and with a vague
vitta of short, whitish hairs, extending along suture from basal de-
pression to apex.

Abdomen beneath coarsely, densely punctate, the punctures con-
nected transversely by coarse, sinuate lines, and densely clothed at
the sides with short, recumbent, silvery white pubescence, which ex-
tends narrowly along anterior margin of segments to middle; first
segment convex at middle; last segment broadly rounded at apex;
suture between first and second segments distinct at the sides; vertical
portions of segments not conspicuously pubescent; pygidium densely
punctate, strongly carinate, the carina not projecting, but the apex
of the pygidium acutely angulated. Prosternum obsoletely granu-
lose, coarsely punctate, more or less rugose, and sparsely clothed with
moderately long, recumbent, whitish hairs; prosternal lobe broad,
strongly declivous, and broadly but not deeply, arcuately emarginate
in front; prosternal process broad, arcuately declivous toward apex,
the sides nearly parallel to behind coxal cavities, then obliquely nar-
rowed to the apex, which is acute. Tibiae slender, and without a
tooth at apex. Posterior tarsi about one-half as long as tibiae, and
the first joint as long as the following two joints united. Tarsal
claws similar on all feet, cleft near the middle, the inner tooth slightly
shorter than outer one, and not turned inward.

Length, 9.5 mm.; width, 2.5 mm.

Male——Differs from the female in having the front of head
golden green, with a feeble cupreous tinge; antennae extending
nearly to middle of pronotum; abdomen beneath cupreous, aeneous
or greenish, with the sides sometimes blackish, and the surface more
coarsely punctate; anterior and middle tibiae armed with a distinct
tooth on inner margin at apex, and the tarsal claws similar on all
feet, cleft near the tip, the teeth nearly equal in length, and not
turned inward at the tip.

NORTH AMERICAN BUPRESTID BEETLES 103

Redescribed from the female type, No. 3294, in the Academy of
Natural Sciences of Philadelphia.

Type locality—Ot pulchellus, Colorado. Of pinalicus, Parker’s
well, east side of Organ Mountains, N. Mex. Type in collection of
H. F. Wickham.

DISTRIBUTION

Material examined:

ARIZONA: San Bernardino Ranch, Cochise County, 3,750 feet (E. G. Smyth
and F. H. Snow). Santa Rita Mountains, July, 5,000—-8,000 fect (F. H.
Snow, Hubbard, and Schwarz). Oracle, July 2 (Hubbard and Schwarz).
Coyote Mountains, August 4-7, 3,500 feet (Chamberlin Coll}. Reef,
Cochise County, Baboquivari Mountains, Schaeffer Canon, October 18-19,
1924, 5,160-5,500 feet (Rehn and Hebard).

CotorApo: Denver, July 20-22 (Stoner). Colorado Springs, August 10, 1889
(H. Soltau).

KANSAS: Belvidere, Kiowa County, July (W. Knaus). Clark County, June
(fF. H. Snow). Linn and Bourbon Counties (R. H. Beamer).

Mexico: Tepehuanes; Chihuahua (H. F. Wickham).

New Mexico: Parker’s Well, October (T. D. A. Cockerell). Koehler, July 23
(D. J. Caffrey). Carlsbad, August 25, and Sandia Mountains, July 29
(Rebn and Hebard).

Texas: Kent, Culberson County, September 17-18, 3,800-4,200 feet (Rehn and
Hebard).

Recorded also from:

ARIZONA: Pinal Mcuntains, June (—). Huachuca Mountains, July 5; Nogales,
October 3.

CotoraDo: Fort Collins, July 16.

Mexico: Sonora.

NEw Mexico: Rowe.

Texas: Brownsville, August 14.

Variations—This species is quite variable in coloration, and the
head in the male varies from golden green with a feeble cupreous
tinge to entirely reddish cupreous, the sides of the elytra bronzy
cupreous to reddish cupreous, and the sutural area from green to
purplish black. In some examples the longitudinal carina on the
pygidium is strongly elevated and distinctly projecting, whereas in
others the apex of the pygidium is simply obtusely angulated.
Length, 6.5 to 10 millimeters. .

Host——Found breeding in the roots of Fleabane (Hrigeron
species) in Arizona by Hubbard and Schwarz.

Prof. H. F. Wickham, who has kindly sent me his type of pinalicus
for study, suggested that it was probably synonymous with pulchel/us
Bland. I have carefully studied his type and compared it with the
type of pulchellus and can not find any specific differences. In the
type of pinalicus the bluish black sutural area is very narrow, and
the efflorescence is well preserved, which gives it a distinct whitish
appearance.

104 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

Waterhouse (1889) erected the genus Hngyaulus for this and a
closely allied species from Mexico, and which he separates from
Agrilus by the front being convex, the mouth consequently more in-
ferior, and the first joint of the posterior tarsi being short. These
characters are of no generic value, as there are a number of species
which could be placed in either genus on these characters, so I concur
with Horn (1891) in not retaining H/ngyaulus as a valid genus.

31. AGRILUS VITTATICOLLIS (Randall)

Figure 24

Buprestis (Agrilus) vittaticollis RANDALL, Boston Journ. Nat. Hist., vol. 2,
1838, pp. 38-89.

Agrilus vittaticollis (Randall) LeContTE, Trans. Amer. Philos. Soc., new
ser., vol. 11, 1859, p. 250.—CrotcH, Proc. Acad. Nat. Sci. Phila., vol.
25, 1873, p. 96.—Spracur and AusTIN, Proc. Boston Soe. Nat. Hist.,
vol. 17, 1875, p. 376.—ScHWarz, Proc. Amer. Philos. Soe., vol. 17, 1878,
p. 452. HuBBARD and ScHwaArz, Proc. Amer. Philos. Soc., vol. 17, 1878.
p. 686.—BLANCHARD, Ent. Amer., vol. 5, 1889, p. 32.—Horn, Trans. Amer.
Ent. Soc., vol. 18, 1891, pp. 299-300.—Hamitton, Trans. Amer. Ent.
Soe., vol. 22, 1895, p. 364.—CHITTENDEN, U. S. Dept. Agric., Div. Hnt.,
Bull. 22, new ser., 1900, p. 68.—SmirH, 27th Rept. N. J. State Board
Agric. for 1899 (1900), suppl. p. 257.—F rrr, N. Y. State Mus., Mem. 8,
vol. 2, 1906, p. 720.—F att, Ent. News, vol. 17, 1906, p. 168.—SmiruH,
Ann. Rept. N. J. State Mus. for 1909 (1910), p. 295—BLATCHLEY,
Coleoptera of Indiana, 1910, p. 800—MANEE, Hnt. News, vol. 24, 1913,
p. 170.—Brooxs, U. 8S. Dept. Agric., Journ. Agric. Research, vol. 8,,
1914, pp. 179-186, pls. 29-81 (life history).—Ntcotay, Bull. Brooklyn
Ent. Soc., vol. 12, 1917, p. 94.—CHAMBERLIN, Ent. News, vol. 28, 1917,
p. 169.—FIsHrErR, Proc. Ent. Soc. Wash., vol. 20, 1918, p. 68.—BrirTron,
Conn. State Geol. and Nat. Hist. Survey, Bull. 31, 1920, p. 245.—K NULL,
Ent. News, vol. 31, 1920, p. 10—Frost and Weiss, Canad. Ent., vol. 52,
1920, p. 207.—F Rost, Canad. Ent., vol. 52, 1920, p. 26—MuvtTcHLrr and
WEtss, N. J. Dept. Agric., Bur. Statistics and Inspection, Cire. 48, 1922,
pp. 14-15.—WeELLHovusE, Cornell Agric. xp. Sta., Mem. 56, 1922, pp.
1050-1108.—Knv.Lu, Canad. Ent., vol. 54, 1922, p. 86; Ohio State Univ.
Studies, vol. 2, no. 2, 1925, pp. 483-44.—-CHAMBERLIN, Journ. N. Y. Ent.
Soe., vol. 32, 1925, p. 198; Cat. Buprestidae, 1926, pp. 85-86.

Agrilus frenatus DEJEAN, Cat. Coleopt., ed. 2, 1833, p. 82; ed. 3, 1837, p. 93
(no description).—Gory, Mon. Bupr., suppl. vol. 4, 1841, pp. 239-
240, pl. 40, fig. 231—LxeConTE, Proc. Acad. Nat. Sci. Phila., vol. 9, 1857,
p. 9

Male—F¥orm robust and rather strongly flattened ; head and prono-
tum purplish red, sometimes with an aeneous tinge, and feebly shin-
ing; elytra black, opaque, beneath black, with a strong purplish
tinge, and more shining than above.

Head with the front rather wide, slightly wider at top than at
bottom, the vertex broadly concave, the occiput more deeply im-
pressed, the concavity extending to the lateral margins, which are

NORTH AMERICAN BUPRESTID BEETLES 105

feebly, arcuately expanded at the middle, and with a narrow, longi-
tudinal groove extending from the occiput to the epistoma; surface
finely, closely rugose, rather densely, finely punctate, and densely
clothed with long, recumbent, golden yellow hairs, except on the ver-
tex and along upper half of the eyes; epistoma rather wide between
the antennae, and broadly, arcuately emarginate in front; antennae
extending to middle of pronotum, serrate from the fourth joint, and
the outer joints as wide as long; eyes rather large, narrowly oblong,
and about equally rounded above and beneath.

Pronotum at least one-half wider than long, the base and apex
about equal in width, and widest at middle; sides strongly, arcuately
rounded; when viewed from the side the marginal carina is strongly
sinuate, the submarginal carina nearly straight, the two carinae
rather widely separated anteriorly, and connected to each other be-
hind the middle; anterior margin strongly sinuate, with a broadly
rounded median lobe; base distinctly emarginate at middle of each
elytron, the median lobe broadly rounded, and subtruncate in front
of scutellum; disk moderately convex, with a broad, shallow, median
depression extending from base nearly to apex, a broad, shallow de-
pression on each side along lateral margin, and without prehumeral
carinae; surface closely, coarsely rugose, the rugae oblique in front,
transverse near the base, finely punctate between the rugae, with a
median band of golden pubescence extending from base to anterior
margin, and a broader band of similar pubescence along the lateral
margins, the hind angles sometimes not pubescent. Scutellum usually
feebly, transversely carinate, and the surface finely reticulate.

Elytra slightly wider than pronotum at base, about equal in width
at base and apical third, deeply, broadly, arcuately constricted in
front of middle, and arcuately attenuate from apical third to the
tips, which are separately, broadly rounded, and strongly serrulate;
sides of abdomen broadly exposed above; disk slightly flattened, with-
out trace of costae, the sutural margins slightly elevated near apex,
and the basal foveae broadly, and rather deeply impressed; surface
finely, densely imbricate-punctate, and not pubescent.

Abdomen beneath finely punctate and granulose, sparsely along
the median line, more densely at the sides, especially on the first two
segments, which are also slightly rugose, rather densely clothed
with short, recumbent, whitish hairs; vertical portions of the
segments densely clothed with golden yellow pubescence; first seg-
ment slightly flattened at middle and rugose, the second with a
feeble longitudinal depression; last segment obtuse or truncate at
apex; pygidium coarsely punctate, strongly carinate, the carina pro-
jecting and truncate at apex. Prosternum finely, densely punctate,
somewhat rugose, and sparsely clothed with short, whitish hairs;

106 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

prosternal lobe broad, strongly declivous, and broadly rounded or
subtruncate in front; prosternal process broad, the sides parallel to
behind the coxal cavities where they are usually bent downward and
forming a tooth, then abruptly narrowed to the apex. Posterior
coxae with the posterior margin transversely sinuate, and the ex-
terior angle rectangular. Tibiae slender, feebly arcuate, and all
three pairs with a strong tooth on the inner margin at apex. Pos-
terior tarsi not quite as long as the tibiae, and the first joint about
equal in length to the following three joints united. Tarsal claws
dissimilar, anterior ones cleft near the tip, middle ones slightly more
deeply cleft, and the posterior ones cleft near the middle, the teeth
about equal in width, and the inner one sometimes feebly turned
inward, but the tips widely separated.

Female.—Differs from the male in having the first two abdominal
segments convex at middle; posterior tarsi slightly shorter; tibiae
unarmed at apex, and the tarsal claws similar on all feet, cleft near
the middle, the inner tooth slightly shorter than the outer one, and
feebly turned inward at the tip, but the tips widely separated.

Length, 8-9.75 mm.; width, 2-2.75 mm.

Redescribed from material collected at Tyngsboro, Massachusetts.

Type locality—Cambridge, Mass.

Present location of type unknown to the writer, but Sprague and
Austin (1875) say that the Randall collection is lost.

DISTRIBUTION
Material examined:

ALABAMA: Spling Hill, May 10 (H. P. Loding).

ConNECTICUT: New Haven, June 1 (M. P. Zappe).

Inutrnors: No definite locality.

MARYLAND: Beltsville, July 14 (R. C. Shannon).

MASSACHUSETTS: Sherborn, June 8; Framingham (C. A. Frost). Tyngsboro,
June 21; West Springfield ; Chicopee ( ez

MIcHIGAN: Escanaba, July 138 (Hubbard and Schwarz).

NeEvADA: No definite locality (Horn Coll.).

New HAMPSHIRE: Webster ( Vis

New York: Ithaca, July 14 (H. Dietrich).

OREGON: Corvallis, June 23 (B. G. Thompson).

PENNSYLVANIA: Notch, June 10 (T. EH. Snyder). Endeavor, July 30 (Knull and
Kirk). Charter Oak, June, July (Champlain, Kirk and Knull). Benton;
Hummelstown (Knull). MHighspire; Inglenook; Harrisburg, June, July
(Fisher). Asaph ( ); Jeannette (Klages).

VIRGINIA: HoT Sprines, July 5; Hayfield; Winchester; Staunton (F. E. Brooks).

WEsT VirGinra: French Creek; Cherry Run; Sleepy Creek; Springfield; Moore-
field; Romney; Keyser; Elkins; Junior (F. E. Brooks).

Also recorded from:

CALIFORNIA: Carrville (Chamberlin).

Frorma: Enterprise (EH. A. Schwarz).

MAINE: Douglas Hill, July 8 (A. Nicolay).

NORTH AMERICAN BUPRESTID BEETLES 107

New Jersey: Hewitt, June; Newfoundland, July; Lakehurst, July (Joutel).
Buena Vista (Liebeck). Clementon, May 380 (Greene). Sea Isle, June
(Boerner). Husted, May (Weiss) ; Otco (Wenzel). Fort Lee (Schaeffer).

New York: West Point.

NortH CARoLInA: Southern Pines (Manee); Tryon (error—fuscipeniis Gory).

OREGON: Josephine County, May 8 (Nunenmacher) ; Grants Pass, July 9.

RHODE ISLAND: Providence, April 12.

Variations.—There is scarcely any variation in the form and color
in the examples examined, and as a rule the sides of the pronotum are
more densely pubescent anteriorly than toward the posterior angles,
but occasionally a specimen will be found with the sides uniformly
pubescent. The claws are more deeply cleft in some examples than
in others, and the inner tooth is slightly turned inward, but they
should not be placed with those species having the tips contiguous,
as in all of the examples examined the tips were widely separated.
Horn states that the prosternum in the female is less densely punc-
tured and more shining than in the male, but this seems to be more
-of an individual variation than sexual.

Hosts——The larvae of this species attacks the roots and lower
trunk of service berry or shad bush (Amelanchier canadensis (Lin-
naeus) Medicus), wild thorn (Crataegus sp.), apple, pear, wild crab
(Pyrus spp.), and the adults have been found a number of times feed-
ing on the foliage of the choke cherry (Prwnus sp.) which is probably
also a host for the larvae. ;

This species is closely allied to audaw Horn and benjamini Fisher,
but can be separated from both of these species by the propleurae,
metapleurae, mesopleurae, and coxae not being densely pubescent.

32. AGRILUS BENJAMINI, new species
Figure 25

Agrilus audaxz CHAMBERLIN, Cat. Buprestidae, 1926, p. 52 (part).

Male—F¥orm resembling vittaticollis Randall; head and pronotum
black, with a feeble purplish red tinge, and subopaque; elytra black,
opaque; beneath black, with a feeble aeneous reflection, and strongly
shining.

Head with the front wide, slightly wider at top than at bottom,
very deeply and broadly concave on the vertex and occiput, lateral
margins feebly, arcuately expanded at middle, and with a narrow,
longitudinal groove extending from the occiput. to epistoma; surface
finely, closely rugose, densely, finely punctate between the rugae, and
densely clothed on lower half with long, recumbent, yellowish and
reddish-yellow pubescence; epistoma rather narrow between the
antennae, and broadly, deeply emarginate in front; antennae extend-
ing to middle of pronotum, serrate from the fourth joint, and the

2305—28 8

108 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

outer joints as wide as long; eyes large, strongly elongate, and about
equally rounded above and beneath.

Pronotum at least one-half wider than long, base slightly wider
than apex, and widest at middle; sides strongly arcuately rounded;
when viewed from the side the marginal carina is slightly sinuate,
the submarginal carina sinuate and only feebly indicated; anterior
margin strongly sinuate, with a broadly rounded median lobe; base
strongly emarginate at middle of each elytron, the median lobe
broadly rounded, and subtruncate in front of scutellum; disk
moderately convex, with a rather deep, broad, median depression
not quite extending to base or apex, a broad, shallow depression on
each side along lateral margin, and without prehumeral carinae;
surface closely, finely, irregularly rugose, finely, densely punctate
between the rugae, with a median band of densely placed yellow and
reddish-yellow pubescence not quite extending to base or anterior
margin, and a large triangular area of similar pubescence covering
the lateral third of pronotum. Scutellum transversely carinate, and
the surface densely reticulate.

Elytra about as wide as pronotum at base, about equal in width
at base and apical third, deeply, broadly, arcuately constricted at
middle, and arcuately attenuate from apical third to the tips,
which are separately, broadly rounded, and finely serrulate; sides
of abdomen broadly exposed above; disk feebly flattened, without
longitudinal costae, but with broad, deep, basal depressions; surface
finely, densely imbricate-punctate, and not pubescent.

Abdomen beneath finely, densely punctate, obsoletely granulose,
more coarsely, densely punctate, and strongly rugose on the first two
segments, especially on the first, and moderately clothed with short.
recumbent, whitish hairs; vertical portions of the segments densely
clothed with long, recumbent, golden-yellow pubescence; first seg-
ment scarcely flattened, the second segment with a narrow, obsolete
groove, extending from base to near the posterior margin of the seg-
ment; last segment subtruncate at apex; pygidium coarsely punctate,
strongly carinate, the carina projecting and truncate at apex. Pro-
sternum densely, coarsely punctate, coarsely rugose or scabrous, and
sparsely clothed with short, whitish hairs; prosternal lobe broad,
strongly declivous, and broadly rounded or subtruncate in front;
prosternal process broad, the sides parallel to behind the coxal cavi-
ties, without dentiform reflexion of the edge, then abruptly nar-
rowed to the apex, which is acute. Posterior coxae with the posterior
margin tranversely truncate, and the exterior angle rectangular.
Tibiae slender, nearly straight, and all three pairs with a feeble tooth
on the inner margin at apex. Posterior tarsi distinctly shorter than
tibiae, and the first joint about equal in length to the following three

NORTH AMERICAN BUPRESTID BEETLES 109

joints united. Tarsal claws nearly similar on all feet, cleft near the
middle, the outer tooth long and acute, the inner one slightly shorter
and broader, and sometimes feebly turned inward, but the tips widely
separated.

Length, 8 mm.; width, 2.25 mm.

Female—Differs from the male in being more robust, front of
head broader, with the lateral margins more parallel to each other
and not strongly constricted toward the bottom, the first two ab-
dominal segments convex at the middle, and the tibiae unarmed at
the apex.

Length, 11 mm.; width, 3 mm.

Type locality —Victoria, Tex.

Other localities —Kerrville and Colorado County, Tex., and
Kansas (no definite locality).

Type and paratype.—Cat. No. 40992, U.S.N.M.

Allotype.—University of Kansas. Paratype in collection of J. N.
Knull.

Described from four specimens, two males and two females. ‘The
type collected at Victoria, Tex., March 26, 1908, on oak (Quercus
sp.) by J. D. Mitchell; allotype collected in Colorado County, Tex.,
April 24, 1922, by Mrs. Grace Wiley; one male paratype collected at
Kerrville, Tex., April 12, 1907, by F. C. Pratt, and one female para-
type labeled “ Kan.” (Knull collection).

This species is closely allied to audaaw Horn and vittaticollis Ran-
dall. From the latter it can be separated by the propleurae, meso-
pleurae, metapleurae and coxae being densely pubescent, and from
cudax by the head being deeply depressed in front, with only the
lower half densely pubescent. In auvdax the males have a deep,
smooth, elongate depression on the second abdominal segment,
whereas in benjamini, the second abdominal segment is only feebly
depressed.

I take much pleasure in naming this species after Dr. Marcus
Benjamin as a slight acknowledgment of the many courtesies shown
the writer.

33. AGRILUS AUDAX Hora

Figure 26

Agrilus audax Horn, Trans. Amer. Ent. Soc., vol. 18, 1891, pp. 300-801.—
WIcKHAM, Canad. Ent., vol. 35, 1903, p. 70.—F1sHeErR, Proc. Ent. Soc.
Wash., vol. 20, 1918, p. 68 CHAMBERLIN, Cat. Buprestidae, 1926, p. 52
(part).

Male—F¥orm resembling vittaticollis Randall; head bronzy green
in front, becoming cupreous or purplish on the occiput; pronotum
purplish red, and feebly shining; elytra black, opaque; beneath
aeneous, with a slightly cupreous reflection, and more shining than
above.

110 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

Head with the front rather wide, distinctly wider at top than at
bottom, vertex and occiput broadly concave, the concavity extending
on the vertex to the lateral margins, which are feebly, arcuately ex-
panded at middie, and with a narrow, longitudinal groove extending
from the occiput to epistoma; surface densely rugose, finely granu-
lose, densely, coarsely punctate, and rather densely clothed with
long, recumbent, yellowish hairs over entire surface; epistoma rather
wide between the antennae, and broadly, deeply, arcuately emarginate
in front; antennae extending to middle of pronotum, serrate from the
fourth joint, and the outer joints as wide as long; eyes large, strongly
elongate, and about equally rounded above and beneath.

Pronotum one-half wider than long, base slightly wider than
apex, and widest at middle; sides moderately, arcuately rounded ;
when viewed from the side the marginal carina is strongly sinuate,
the submarginal carina feebly sinuate, the two carinae rather widely
separated anteriorly, and connected to each other near the base:
anterior margin slightly sinuate, with a broadly rounded median
lobe; base strongly emarginate at middle of each elytron, the median
lobe broadly rounded, and subtruncate or feebly emarginate in front
of scutellum; disk moderately convex, with a broad, shallow median
depression extending from base nearly to apex, a broad, shallow de-
pression on each side along lateral margin, and without prehumeral
carinae; surface closely, coarsely, transversely rugose, finely, rather
densely punctate between the rugae and in the depressions, with a
median band of yellowish pubescence extending from base to near
the anterior margin, and a broader band of similar pubescence along
lateral margins. Scutellum feebly, transversely carinate, and the sur-
face finely reticulate.

Elytra shghtly wider than pronotum at base, about equal in width
at base and apical third, deeply, broadly, arcuately constricted near
middle, and arcuately attenuate from apical third to the tips, which
are separately, broadly rounded, and rather coarsely serrulate; sides
of abdomen broadly exposed above; disk slightly flattened, with
feebly indicated longitudinal costae, and broad, deep basal depres-
sions; surface finely, densely imbricate-punctate, and not pubescent.

Abdomen beneath finely, densely punctate, obsolctely granulose,
more coarsely punctate and rugose on the first two segments, and
rather densely clothed with short, recumbent, whitish hairs; vertical
portions of the segments densely clothed with recumbent, golden
yellow pubescence; first segment slightly, broadly flattened at mid-
dle, the second with a deep, smooth groove, which is wider in front,
and extending three-fourths to the posterior margin of the segment :
last segment obtuse or subtruncate at apex; pygidium coarsely punc-
tate, strongly carinate, the carina projecting and truncate at apex.
Prosternum coarsely, densely punctate, coarsely rugose, and sparsely

NORTH AMERICAN BUPRESTID BEETLES Tit

clothed with short, whitish hairs; prosternal lobe broad, strongly
declivous, and broadly rounded or subtruncate in front; prosternal
process broad, the sides parallel to behind the coxal cavities, without
dentiform reflexion of the edge, then abruptly narrowed to the apex,
which is acute. Tibiae slender, feebly arcuate, and the anterior and
middle pairs with a small tooth on the inner margin at apex, the
posterior pair simple. Posterior tarsi distinctly shorter than tibiae,
and the first joint about equal in length to the following three joints
united. Tarsal claws dissimilar, anterior ones cleft near the tip,
middle ones slightly more deeply cleft, and the posterior ones cleft
near the middle, the teeth about equal in width, and the inner one
sometimes feebly turned inward.

Length, 9 mm.; width, 2.5 mm.

Female—Differs from the male in having the front of head vio-
laceous cupreous, lateral sides nearly parallel, and the surface more
sparsely punctate; first and second abdominal segments convex at
middie, and without a median groove; tibiae unarmed at apex, and
the claws cleft near the middle, the inner tooth broad and very short.

Redescribed from the lectotype No. 3478 in the Academy of Nat-
ural Sciences of Philadelphia.

Type locality.—Texas.

Distribution—Material examined. Texas: No definite locality.

Variations—No variation was observed in the few examples ex-
amined except in size, which varied in length from 9 to 10 milli-
meters.

Host— Unknown.

This species seems to be rare in collections, as only four specimens
have been examined by the writer, all of which are probably from
the Belfrage collection. Chamberlin (1926) records it from Arizona
and Illinois, but the latter record is probably from an erroneously
identified or incorrectly labeled specimen. He also records a speci-
men in the United States National Museum from Kerrville, Tex.,
but this is the new species benjamini described above. The species
is closely allied to vittaticollis Randall and benjaméini Wisher, but can
be separated from both these species by the characters given in the
table.

34, AGRILUS PILOSICOLLIS, new species

Female—¥orm resembling granulatus Say, feebly shining, and
slightly flattened above; olivaceous brown, with the head and pro-
notum more or less cupreous; elytra ornamented with yellow pubes-
cent spots; beneath cupreous, and more shining than above.

‘Head with the front rather wide, nearly flat, about equal in width
at bottom and top, the lateral margins arcuately expanded at vertex,
and with a longitudinal groove extending from the occiput to the

EE BULLETIN 145, UNITED STATES NATIONAL MUSEUM

epistoma, the groove broadly and rather deeply depressed on the
vertex and occiput; surface coarsely, densely punctate, the punctures
more or less transversely confluent, and rather densely clothed on
lower half with moderately long, recumbent, golden yellow pubes-
cence; epistoma narrow, not transverse between the antennae, and
broadly, arcuately emarginate in front; antennae extending to middle
of pronotum, serrate from the fourth joint, and the outer joints
shghtly longer than wide; eyes large, narrowly oblong, and about
equally rounded above and beneath.

Pronotum one-half wider than long, base and apex about equal
in width, and widest just behind the middle; sides strongly, arcuately
expanded from apical angles to just behind the middle, then arcuately
narrowed to the posterior angles, which are rectangular; when viewed
from the side the marginal and submarginal carinae are strongly
sinuate, widely separated anteriorly, and connected to each other
near the base; anterior margin feebly sinuate, with the median lobe
broadly, vaguely rounded; base arcuately emarginate at middle of
each elytron, the median lobe very broadly rounded, and subtruncate
in front of scutellum; disk moderately convex, with a broad, mod-
erately deep, median depression extending from base to near anterior
margin, a broad, shallow depression on each side along the lateral
margin, and without prehumeral carinae; surface densely, coarsely
but not deeply, transversely rugose, finely punctate between the
rugae, sparsely clothed with inconspicuous hairs on the median part,
but densely, broadly clothed at the sides with moderately long, re-
cumbent, golden yellow pubescence, which conceals the surface.
Scutellum rather strongly, transversely carinate, and the surface
obsoletely reticulate.

Elytra slightly wider than pronotum at base, and distinctly wider
at base than at apical third; sides feebly arcuately rounded for a
short distance behind base, broadly constricted in front of middle,
broadly, arcuately expanded at apical third, then obliquely narrowed
to the tips, which are separately, rather broadly rounded, and
coarsely serrulate; sides of abdomen broadly exposed above; disk
rather strongly flattened above, and without longitudinal costae, the
sutural margins slightly elevated posteriorly, and with broad, mod-
erately deep, basal depressions; surface densely coarsely imbricate-
punctate, sparsely clothed with short, inconspicuous hairs, which are
more distinct along sutural margins at apical fourth, and each elytron
ornamented with three small golden yellow pubescent spots, one in
basal depression, one in front of middle, and the other one near the
apical fourth.

Abdomen beneath finely, sparsely punctate at middle, becoming
densely punctate toward the sides, sparsely clothed with short, recum-

NORTH AMERICAN BUPRESTID BEETLES 113

bent hairs, and with a large spot of longer, densely placed, golden
yellow pubescence at the sides of each segment; first and second seg-
menis convex, and smooth at middle; last segment rounded at apex;
vertical portions of all the segments densely clothed with golden
yellow pubescence; pygidium coarsely punctate and strongly carin-
ate, the carina strongly projecting, and truncate at apex. Proster-
num coarsely, rather densely punctate, sparsely clothed with short,
inconspicuous hairs at the middle, but the episternum densely
clothed with recumbent golden yellow pubescence; prostérnal lobe
rather narrow, moderately declivous, and broadly rounded or sub-
truncate in front; prosternal process broad, the sides parallel to
behind the coxal cavities, then strongly narrowed to the apex, which
is acute. Sides of sternum and posterior coxae densely clothed with
recumbent, golden yellow pubescence. Tibiae slender, straight, and
the anterior and middle pairs armed with a very short tooth on inner
margin at apex. Posterior tarsi distinctly shorter than tibiae, and
the first joint about as long as the following three joints united.
Tarsal claws similar on all feet, cleft near the middle, the teeth nearly
equal in length, and the inner tooth turned slightly inward, but the
tips distant.

Length, 10.5 mm.; width, 2.75 mm.

Male.—Unknown.

Type locality—Garden City, Kans.

Type—Cat. No. 40993, U.S.N.M.

Described from a single female collected at the type locality,
June 18, 1914, by F. B. Milliken.

Superficially this species resembles granulatus Say very closely,
but in that species the front of head is densely pubescent and
scarcely depressed on the vertex; epistoma strongly transverse be-
tween the antennae; pronotum not conspicuously pubescent at the
sides, but with sharply defined prehumeral carinae; elytra more
distinctly pubescent; prosternal lobe arcuately emarginate at mid-
dle; vertical portions of second abdominal segment glabrous; pubes-
cence at sides of abdomen and sternum not so conspicuous, and the
inner tooth of the tarsal claws shorter than the outer one, and not
turned inward.

35. AGRILUS BILINEATUS (Weber)

Figure 27

Buprestis bilineata WrBER, Obser. Ent., No. 5, 1801, pp. 74-75.—ILiicEr,
Mag. Insektenkunde, vol. 1, pt. 9, 1801, p. 248—MerELSHEIMER, Cat. Ins.
Penna., 1806, p. 45, no. 1009.—ScHONHERR, Syn. Ins., vol. 1, pt. 3, 1817, p.
213, no. 9.—Say, Ann. Lye. Nat. Hist. New York, vol.-1, pt. 2, 1825, pp.
250-251.

Agrilus flavolineatus DEJEAN, Cat. Coleopt., ed. 2, 1833, p. 82; ed. 3, 1887, p.
93 (no description).—MANNERHEIM, Bull. Soc. Imp. Nat. Moscou, vol.
10, no. 8, 1887, p. 110.

114 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

Agrilus bilineatus (Weber) Say, Trans. Amer. Philos. Soc., vol. 6, new ser.,
1836, p. 162—NrtcHson, Wiegmann Achiv fiir Naturgeschichte, pt. 2,
1840, p. 240.—LeConTE, Say’s Writings, vol. 1, pp. 386-387; vol. 2, p.
596 (Bailliére Bros. ed., 1859; Cassino and Co. ed. 1883); Trans.
Amer. Philos. Soc., vol. 11, new ser., 1859, p. 245; Proc. Acad. Nat. Sci.
Phila., vol. 18, 1866, p. 884.—Prrrit, Canad. Ent., vol. 2, 1870, p. 102.—
CrotcH, Proc. Acad. Nat. Sci. Phila., vol. 25, 1873, p. 95—PROVANCHER,
Petite Faune Hntomologique du Canada, vol. 1, Les Coléoptéres, 1877,
p. 3860. Huvupsparp and Scuwarz, Proc. Amer. Philos. Soec., vol. 17,
1878, pp. 686, 656—GtLover, Illustrations North Amer, Ent., Coleopt.,
1878, pl. 20, fig. 16 (no text) —ZescH and REINECKE, North Amer.
Ent. (Buffalo), vol. 1, 1880, p. vii—Harrineron, Canad, Ent., vol. 16,
1884, p. 102; 15th Rept. Ent. Soc. Ontario for 1884 (1885), p. 31.—
WICKHAM, Bull. Lab. Nat. Hist., State Univ. Iowa, vol. 1, no. 1, 1888,
p. 87.—Totman, Ins. Life, vol. 1, 1889, p. 343—CuHITTENDEN, Ent.
Amer., vol. 5, 1889, p. 220.—BLANcCHARD, Ent. Amer., vol. 5, 1889, p.
32.—Cook, 29th Rept. Mich. Board Agric., 1890, p. 119.—PaAckarp, 5th
Rept. U. S. Ent. Comm., 1890, p. 222——Horn, Trans. Amer. Ent. Soc.,
vol. 18, 1891, pp. 301-302, pl. 8, fig. 16—Horxins, Ins. Life, vol. 4,
1892, p. 258; W. Va. Agric. xp. Sta., Bull. 32, 1893, p. 184—TowNSsEND,
Canad. Hnt., vol. 25, 1893, p. 202.—HopxIns, lus. Life, vol. 7, 1894, p.
145; Ent. News, vol. 5, 1894, p. 251; Proc. Ent. Soc. Wash., vol. 3, 1895,
pp. 82-83.—Hamitton, Trans. Amer. Ent. Soe., vol. 22, 1895, p. 364.—
WicKHAM, Proc. Davenport Acad. Nat. Sci., vol. 6, 1896, p. 152
(author’s ed.).—Hopxins, Canad. Hnt., vol. 28, 1896, p. 246; Ent.
News, vol. 7, 1896, p. 307 —CHITTENDEN, U. S. Dept. Agric., Div. Ent.,
Bull. 7, new ser., 1897, pp. 67-71, fig. 42; Cire. 24, 1897, pp. 1-8, fig.
1.—Hopxins, 9th Rept. W. Va. Agric. Exp. Sta. for 1896 (1897), p.
130.—H ARRINGTON, 27th Rept. Wnt. Soc. Ontario for 1896 (1897), p.
71—Jouwnson, 2nd Ann. Rept. Penna. Dept. Agric. for 1896 (1897),
p. 3861.—Hopkins, Proc. 19th Ann, Meet. Soc. Prom. Agric. Sci., 1898,
pp. 105-106; W. Va. Agric. Exp. Sta., Bull. 56, 1899, pp. 255, 437.—
Harris, Psyche, vol. 8, 1899, p. 414—Lucamr, Minn. Agric. Exp. Sta.,
Bull. 66, 1899, p. 145, fig. 68; 5th Ann. Rept. Ent. Minn. State
Exp. Sta. 1899, p. 61, fig. 68—Morratr, 30th Rept. Ent. Soc. Ontario
for 1899 (1900), p. 100 (probably anzius Gory) —CuHiItTeNDEN, U. 8S.
Dept. Agric., Div. Ent., Bull. 22, new ser., 1900, pp. 66-67.—SmirTH, 27th
Rept. N. J. State Board Agric. for 1899 (1900), suppl. p. 257.—ULKE,
Proce. U. S. Nat. Mus., vol. 25, no. 1275, 1902, p. 47—CHITTENDEN,
U. S. Dept. Agric., Yearbook, 1902 (1903), p. 732.—Youne, 18th Rept.
N. Y. State Ent. for 1902 (1903), p. 157—Horxins, U. S. Dept. Agric.,
Bur. Ent., Bull. 48, 1904, p. 38; U. S. Dept. Agric., Yearbook for 1903
(1904), pp. 320-3822, pl. 39, fig. 1—Ferrt, N. Y. State Mus., Mem. 8, vol.
1, 1905, pp. 257, 280-283, fig. 48.—SrrneeRLAND, Cornell Agric. Exp.
Sta., Bull. 234, 1906, p. 75.—F ati, Ent. News, vol. 17, 1906, p. 168.—
( ) U. S. Dept. Agric., Yearbook for 1906 (1907), p. 515.—HoprkKINs,
Proc. Ent. Soc. Wash., vol. 8, 1907, p. 99.—WickHAM, Bull. Lab. Nat.
Hist., State Univ. Iowa, vol. 6 (author's ed.), 1909, p. 23.—(——) U. S.
Dept. Agric., Yearbook for 1908 (1909), pp. 574, 578.—Haston, Psyche,
vol. 16, 1909, p. 50—Burxkn, U. S. Dept. Agric., Yearbook for 1909
(1910), pp. 401-408, fig. 25.—Frxt, 25th Rept. N. Y. State Ent. for 1809
(1910), p. 106.—BratcHiry, Coleoptera of Indiana, 1910, p. 800, figs.
307 (6a-60), 309.—Lrna, Journ, N. Y. Ent. Soce., vol. 18, 1910, p. 76—

NORTH AMERICAN BUPRESTID BEETLES 115

Smiru, Ann. Rept. N. J. State Mus. for 1909 (1910), p. 295.—Merrcatr
and CoL.ins, U. S. Dept. Agric., Farmers’ Bull. 467, 1911, p. 10.—Smirnu,
Ent. Rept. N. J. Agric. Exp. Sta. for 1910 (1911), p. 348—Fent, 27th
Rept. N. Y. State Ent. for 1911 (1912), pp. 1138-114, 131, fig. 5—Ruve-
GLeS, Minn. State Ent., Cire. 25, 1912, p. 2, fig. 2—WasHBURN, 14th
Rept. Minn. State Ent., 1912, p. 55, figs. 35-386; Journ. Econ. Ent., vol.
5, 1912, p. 180.—- Brat, U. S. Dept. Agric., Bur. Biol. Survey, Buli. 44,
1912, p. 47.—Frost, Canad. Ent., vol. 44, 1912, p. 252—Manen, Ent.
News, vol. 24, 19138, p. 170.—Brooxs, U. S. Dept. Agric., Journ. Agric.
Research, yol. 38, no. 2, 1914, p. 184—Bureess, U. 8. Dept. Agric.,
Farmers’ Bull. 564, 1914, p. 5—Ferxr, Journ. Econ. Ent., vol. 7, 1974,
p. 373.—RuecLes, Minn. State Ent., Cire. 30, 1914, pp. 7-8, fig. 1; 15th
Rept. Minn. State Ent., 1914, pp. 54-55, fig—Howarp, U. S. Dept.
Agrie., Ent. Rept. 1914, pp. 11-12.—ANbrERSON and RANKIN, Cornell
Agric. Exp. Sta., Bull. 347, i914, p. 586—Brirron, 13th Rept. Conn.
State Ent. for 1913 (1914), pp. 250-251, pl. 12, fig. 6—Fernt, Journ.
Heon. Ent., vol. 7, 1914, p. 378—Frost, Canad. Ent., vol. 47, 1915, p.
144.—FeEt, 20th Rept. N. Y. State Ent. for 1913 (1915), pp. 9, 73.
CRAIGHEAD, Journ. Econ. Ent., vol. 8, 1915, p. 440—CHapMan, U. 8.
Dept. Agric., Journ, Agric, Research, vol. 8, no. 4, 1915, pp. 283-294, pis.
38-39 (life history).—Buraxrss, U. 8S. Dept. Agric., Bull. 204, 1915, p.
19.— BEAL, U. S. Dept. Agric., Bull. 280, 1915, p. 7.—( ) Tree Talk
vol. 4, 1916, p. 26.—Ferxt, 31st Rept. N. Y. State Ent. for 1915 (1916),
pp. 11, 71-75; N. Y¥. State Mus., Bull. 180, 1916, p. 116; Country Life
in America, vol. 29, no. 5, 1916, p. 74; N. Y. State Mus., Bull. 186,
1916, p. 11—Hopxins, Journ. Econ. Ent., vol. 9, 1916, p. 523 —Britton,
Journ. Econ. Ent., vol. 9, 1916, pp. 450, 576—Burxs, U. S. Dept. Agric.,
Bull. 437, 1917, p. 3, pl. 6, fig. 2—Morris, 47th Rept. Ent. Soc. Ontario
for 1916 (1917), p. 22 (probably var. carpinit Knull).—CLemMENT and
Munro, U. S. Dept. Agric., Bull. 484, 1917, p. 4—Buregss, U. 8S. Dept.
Agrie., Farmers’ Bull. 845, 1917, p. 7—Cuacnon, 9th Rept. Quebee Soc.
Protec. Plants, Suppl. pt. 8, 1917, p. 219.—CraicHEap, Journ. Econ.
Ent., vol. 10, 1917, p. 568—WasHBuRN, Inj. Ins., 1918, pp. 275-277, fig.
283.—RUGGLES, 17th Rept. Minn. State Ent., 1918, pp. 15, 16—Morzis,
Canad. Ent., vol. 51, 1919, p. 52 (probably var. carpinit Knull) —
NicoLay, Bull. Brooklyn MWnt. Soe., vol. 14, 1919, p. 19—CHAPMAN,
Ann. Ent. Soc. Amer., vol. 13, 1920, pp. 176-177—Frost and WEIss,
Canad. Ent., vol. 52, 1920, pp. 207-208.—Knut1, Ent. News, vol. 31,
1920, p. 10—Ho.iistrEr, Journ. Econ. Ent., vol. 18, 1920, p. 146—WeEIss
and Wemst, Proc. Biol. Soc. Wash., vol. 33, 1920, p. 3.—( ) Journ
Keon. Hnt., vol. 18, 1920, p. 13—Brirron, Conn. State Geol. and Nat.
Hist. Survey, Bull. 31, 1920, p. 244—Korrnsxy, U. S. Dept. Agric.,
Farmers’ Bull. 1169, 1921, pp. 61-63.—Weltss, Ent. News, vol. 32, 1921,
p. 46.—Lorp, Care of Shade Trees, 1922, p. 46.—Kirx, Ent. News, vol.
33, 1922, p. 238.—MuTcHLER and Weiss, N. J. Dept. Agric., Bur.
Statistics and Insp., Cire. 48, 1922, pp. 7-8, figs. 4-5, pl. 1, figs. 6a-6b.—
KNULL, Canad. Ent., vol. 54, 1922, p. 83—-CHAMPLAIN and KNULI,
Canad. Ent., vol. 55, 1923, p. 114—Frett, Man. Tree and Shrub Ins., 1924,
pp. 53-54. fig. 17—Knuuit, Ohio State Univ. Studies, vol. 2, no. 2,
1925, p. 44, pl. 1, figs. 8, 33, 34; pl. 6, fig. 3—Hsste, Ins. Western
North Amer., 1926, p. 403.—CHAMBERLIN, Cat. Buprestidae, 1926, pp.
54-55.

116 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

Agrilus bivittatus Kirpy, Fauna Boreali Americana, vol. 4, 1837, p. 161, no.
215.—Wuitkr, Nomenclature Coleopt. Ins. Brit. Mus., pt. 3, 1848, p. 38.—
BrETHUNE, Canad. Ent., vol. 4, 1872, p. 35.

Agrilus trivittatus Horn, Trans. Amer. Hnt. Soc., vol. 18, 1891, p. 335 (typ.
error for bivittatus Kirby).

Agrilus aurolineatus Gory, Mon. Bupr. Suppl., vol. 4, 1841, pp. 248-249.
pl. 41, fig. 241—LeContr, Proc. Acad. Nat. Sci. Phila., vol. 9. 1857, p. 9.

Male.—F¥orm elongate, rather slender, and feebly flattened above;
head bronzy green; pronotum black, opaque, and sometimes with a
feeble greenish or aeneo-cupreous tinge; elytra black, opaque, with a
more or less distinct greenish or bluish tinge; beneath dark bronzy
green, sometimes with a feeble cupreous reflection, and strongly
shining.

Head with the front narrow, feebly convex, about equal in width at
bottom and at top, lateral margins strongly, arcuately expanded at
middle, and with a feeble, narrow, longitudinal groove extending
from the occiput to middle of front; surface coarsely, densely punc-
tate or scabrous in front, becoming longitudinally rugose on the occi-
put, and sparsely clothed with short, semierect hairs, epistoma narrow
between the antennae, and broadly, arcuately emarginate in front;
antennae extending to middle of pronotum, serrate from the fourth
joint, and the outer joints slightly longer than wide; eyes large,
rather broadly oblong, and slightly more broadly rounded beneath
than above.

Pronotum one-half wider than long, the base distinctly narrower
than apex, and widest along apical fourth; sides nearly parallel or
feebly arcuate from apical angles to middle, then obliquely narrowed
to the posterior angles; when viewed from the side the marginal
carina is strongly sinuate, the submarginal carina straight or feebly
sinuate, the two carinae rather widely separated anteriorly, and con-
nected to each other near the base; anterior margin strongly emargin-
ate, with a broadly rounded median lobe; base slightly emarginate
at middle of each elytron, the median lobe broadly rounded, and
broadly truncate in front of scutellum; disk moderately convex, with
two round, feeble, median depressions, one near anterior margin, the
other near the base, a rather deep depression on each side along
lateral margin, and without prehumera!l carinae; surface densely,
transversely rugose on the median part, with a few fine punctures
between the rugae, becoming finely, densely punctate toward the sides,
which are broadly, densely clothed with rather long, recumbent,
golden yellow or whitish pubescence. Scutellum strongly, trans-
versely carinate, and the surface finely reticulate.

Elytra shghtly wider than pronotum at base and slightly wider
at base than at apical third; sides nearly parallel for a short distance
behind base, deeply, broadly, arcuately constricted in front of middle

NORTH AMERICAN BUPRESTID BEETLES RUZ

and arcuately attenuate from apical third to the tips, which are sepa-
rately, rather broadly rounded, and strongly serrulate; sides of abdo-
men broadly exposed above; disk rather strongly flattened, without
longitudinal costae, sutural margins slightly elevated from apical
third to tip, and with broad, moderately deep, basal depressions; sur-
face densely, coarsely imbricate-punctate, and with a narrow vitta of
rather dense yellowish or whitish pubescence extending from the
basal depression to the apex (sometimes the vitta only distinct in the
basal depressions).

Abdomen beneath finely and sparsely punctate along the middle,
more densely and coarsely at the sides, becoming coarsely rugose on
the basal segments, and sparsely clothed with short, recumbent,
cinereous hairs; first segment slightly flattened at the middle, the
second with a deep, smooth groove, which is wider in front, and
extending two thirds to the posterior margin of segment; last seg-
ment broadly rounded at apex; vertical portions of the segments
densely clothed with yellowish or whitish pubescence; pygidium
coarsely punctate, strongly carinate, the carina projecting and trun-
cate at apex. Prosternum densely punctate, slightly rugose, and
sparsely clothed with short, cinereous hairs; prosternal lobe broad,
strongly declivous, and broadly rounded or subtruncate in front;
prosternal process broad, the sides parallel to behind the coxal cavi-
ties, then abruptly narrowed to the apex, which is acute. Tibiae
slender, nearly straight, the anterior and middle pairs with a small
tooth on the inner margin near apex, and the posterior pair simple.
Posterior tarsi distinctly shorter than tibiae, and the first joint about
equal in length to the following three joints united. Tarsal claws
dissimilar, anterior and middle ones cleft near the tip and the teeth
nearly equal in length, the posterior ones cleft near the middle, the
inner tooth slightly shorter and feebly turned inward, but the tips
distant.

Female.—Differs from the male in being usually more robust; head
brownish black with a more or less distinct aeneous or cupreous tinge
shghtly more convex, front much broader, sides nearly parallel,
shghtly narrower at top than at bottom, surface not quite so densely
punctured, the longitudinal groove more deeply impressed on occiput,
and the eyes narrower and more broadly rounded above than beneath ;
abdomen with the second ventral segment convex, and not grooved
at the middle; prosternum shining and more finely punctate; tibiae
unarmed at apex, and the tarsal claws similar on all feet, cleft near
the middle, the inner tooth slightly shorter, and feebly turned inward,
but the tips widely separated.

Length, 4.25-9.5 mm.; width, 1-2.25 mm.

118 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

Type locality —Of bilineatus, “America”; present location of type
unknown to writer. Of flavolineatus, North America; type presum-
ably in the Dejean collection. Of bivittatus, Canada; type presum-
ably in the British Museum. Of aurolineatus, North America; type
presumably in the Dejean collection.

Distribution.—This species has a wide distribution, being found in
eastern Canada (Ontario and Quebec), and throughout the United
States from Maine westward to the Rocky Mountains, and southward
to Texas. Material has been examined from various localities in
the following States: Arkansas, Connecticut, District of Columbia,
Florida, Georgia, Illinois, Indiana, Iowa, Kansas, Maryland, Massa-
chusetts, Michigan, Missouri, New Hampshire, New Jersey, New
York, North Carolina, Ohio, Pennsylvania, Rhode Island, Texas,
Virginia, West Virginia, and Wisconsin.

Variations—This species shows considerable variation in size, as
a result of their food plant becoming too dry, and causing the larvae
to pupate prematurely. The pubescence forming the lateral spaces on
the pronotum and the vittae on the elytra varies from golden yellow
to white, with all intermediate shades. Usually these pubescent
vittae are entire, extending from the basal depressions to the tips of
the elytra, but frequently examples are found in which the vittae are
only indicated near the basal depressions.

Hosts—Attacks white oak (Quercus alba Linnaeus), red oak
(Quercus rubra Linnaeus), black oak (Quercus velutina La Marck),
scarlet oak (Quercus coccinea Muenchhausen), burr oak (Quercus
macrocarpa), and chesnut (Castanea dentata (Marshall) Bork-
hausen). It will probably attack any of the oaks, and becomes
very injurious to trees which have been weakened by other insects,
plant diseases, or climatic conditions. Some writers record this
species as killing more oaks than any other species of insect so far
discovered. All of the records of bélineatus recorded from beech
(agus sp.) should probably be referred to the variety carpiné Knull.

This is one of the best known species of Agrédus found in North
America, and on account of the great amount of damage it causes
to oak and chestnut trees it has received the attention of entomolo-
gists in all parts of the country. It is usually recorded in the
economic literature under the “Two lined chestnut borer,” which
was adopted as the common name for this species by the American
Association of Economic Entomologists. Mannerheim (1837) de-
scribed this species as flavolineatus from a specimen under that name
in the Dejean Collection, and Gory (1841) redescribed it under the
name of aurolineatus from the same specimen. Essig (1926) records
this species as girdling oak trees in Colorado, but this is incorrect.

NORTH AMERICAN BUPRESTID BEETLES 119
35a. AGRILUS BILINEATUS subspecies CARPINI Knull

Agrilus bilineatus var. azureus KNULL, Canad. Ent., vol. 54, 1922, p. 84
(name preoccupied ).

Agrilus bilineatus var. carpini KNULL, Canad. Ent., vol. 55, 1923, p. 105;
Ohio State Univ. Studies, vol. 2, no. 2, 1925, p. 44, pl. 9, fig. 2—CHaAm-
BERLIN, Cat. Buprestidae, 1926, p. 55.

Agrilus bilineatus (Weber) Morsris, 47th Rept. Ent. Soc. Ontario for 1916
(1917), p. 22; Canad. Ent., vol. 51, 1919, p. 52, (probably this sub-
species ).

Male—Form resembling a typical specimen of bilineatus; head
bronzy green on the front, becoming brownish black on the occiput,
pronotum brownish black at the middle, becomingly narrowly bronzy
green toward the lateral margins, where the surface is sparsely clothed
with short, recumbent, golden yellow hairs; elytra bright cyaneous
blue, with a spot of short, recumbent, golden yellow hairs in the
basal depressions, and a vague vitta of shorter whitish hairs along
the sutural margins at apical fifth; beneath olivaceous green, with
the episternum, external side of posterior coxae, and the vertical por-
tions of the abdominal segments densely clothed with short, recum-
bent, golden yellow hairs. Genitalia the same as in bilineatus Weber.

Length, 8 mm.; width, 1.9 mm.

Redescribed from the male type in the collection of J. N. Knull,
which was reared June 2, 1920, from blue beech (Carpinus carolini-
ana Walter).

Type locaiitty—Hummelstown, Pa.

DISTRIBUTION

Material examined:
CoNNECTICUT: Lyme (W. S. Fisher).
PENNSYLVANIA: Philadelphia, June (F. M. Trimble and J. K. Primm): Hum-

melstown (J. N. Knull). Harrisburg (Champlain and Knull).

Variations —This subspecies is rather uniform in size, but con-
siderable variation was found in examining a series of male and
female paratypes reared or collected on blue beech at Philadelphia,
Pa. Some specimens have the elytra bright cyaneous blue, whereas
in others it is nearly black with a feeble greenish tinge. The pubes-
cence is always visible in the basal depressions, and sometimes along
the sutural margins near apex, and varies from a golden yellow to a
yellowish white color. In a series reared from ironwood (Ostrya
virginiana (Miller) Koch) at Lyme, Conn. by the writer, there are
indications of a vague pubescent vitta on each elytron on a few of the
examples, whereas in others it is absent except in the basal depres-
sions. Length 6.25 to 8 millimeters.

Hosts.—Breeds in living beech (Fagus grandifolia Ehrhart, syn.
fF’, americana Sweet), blue beech (Carpinus caroliniana Walter), and
ironwood or hop-hornbeam (Ostrya virginiana (Miller) Koch).

120 BULLETIN 145, UNITED STATES NATIONAL MUSEUM
36. AGRILUS QUERCICOLA, new species
Figure 28

Agrilus acutipennis var., Brirron, Journ. Heon. Ent., vol. 9, 1916, p. 384.

Agrilus acutipennis BurkE (not Mannerheim), Journ. Econ. Ent., vol. 10,
1917, p. 331.—Frost and Weiss, Canad. Ent., vol. 52, 1920, p. 247.—
CHAMBERLIN, Cat. Buprestidae, 1926, pp. 47-48 (part).

Male—F¥orm slightly more slender than guadriimpressus Ziegler,
feebly shining, and feebly flattened above; head and pronotum green,
and usually with a cupreous or aureus tinge; elytra black, with a
feeble violaceous or greenish tinge; beneath green, sometimes with
an aeneous tinge, and more shining than above.

Head with the front rather narrow, nearly flat, about equal in
width at top and bottom, only obsoletely impressed on the occiput,
lateral margins slightly, arcuately rounded at middle, and with a
narrow, longitudinal groove extending from occiput to middle of
front; surface coarsely, densely punctate in front, becoming longi-
tudinally rugose on the occiput, and sparsely clothed with short,
inconspicuous hairs, which are more distinct near the epistoma;
epistoma rather wide between the antennae, and broadly, arcuately
emarginate in front; antennae extending to middle of pronotum,
serrate from the fourth joint, and the outer joints as wide as long;
eyes large and about equally rounded above and beneath.

Pronotum not quite one-half wider than long, the base and apex
about equal in width, and widest in front of middle; sides feebly,
arcuately rounded from apical angles to behind the middle, then more
obliquely narrowed to the posterior angles; when viewed from the
side the marginal carina is strongly sinuate anteriorly, the submar-
ginal carina straight or feebly sinuate, the two carinae narrowly
separated anteriorly, and connected to each other at the base; an-
terior margin feebly sinuate, with a broadly rounded median lobe;
base slightly emarginate at middle of each elytron, the median lobe
broadly rounded, and subtruncate in front of scutellum; disk mod-
erately convex, with a broad, obsolete depression in front of scutellum
(sometimes evenly convex and without any depression), a broad,
shallow depression on each side along margin, and without pre-
humeral carinae; surface densely, coarsely, transversely rugose on
median part, densely granulose and finely punctate between the rugae,
becoming more coarsely punctate toward the sides, and without dis-

tinct pubescence. Scutellum strongly, transversely carinate, and
the surface finely reticulate.

Elytra slightly wider than pronotum at base, about equal in width
at. base and apical third; sides nearly parallel for a short distance
behind base, slightly, broadly, arcuately constricted in front of mid-
dle, arcuately rounded at apical third, then obliquely attenuate to the

NORTH AMERICAN BUPRESTID BEETLES et

tips, which are separately, broadly rounded, and strongly serrulate;
sides of abdomen broadly exposed above; disk feebly flattened, with-
out longitudinal costae, sutural margins feebly elevated at apical
third, and with broad, moderately deep basal depressions; surface
finely, densely imbricate-punctate, without distinct pubescence, except
sometimes with a few short white hairs at the tips.

Abdomen beneath rather finely and densely punctate, becoming
somewhat rugose on the basal segment, and sparsely clothed with
short, recumbent, whitish pubescense; first segment strongly flattened
or feebly concave at the middle, the second with a deep, smooth
groove, which has the sides parallel, and extending to about the
middle of the segment; last segment broadly rounded at apex; verti-
cal portions of segments rather densely clothed with recumbent,
whitish pubescence; pygidium coarsely punctate, strongly carinate,
the carina projecting and truncate at apex. Prosternum coarsely,
densely, punctate, coarsely rugose, and sparsely clothed with incon-
spicuous hairs; prosternal lobe broad, strongly declivous, and broadly
rounded in front; prosternal process broad, surface some times con-
cave, and the sides parallel to behind the coxal cavities, then abruptly
narrowed to the apex, which is acute. 'Tibiae slender, nearly straight,
the middle and anterior pairs with a distinct tooth on the inner
margin at apex, and the posterior pair simple. Posterior tarsi dis:
tinctly shorter than the tibiae, and the first joint about equal in length
to the following three joints united. Tarsal claws dissimilar, an-
terior ones cleft near the tip, and the teeth nearly equal in length;
middle and posterior claws cleft near the middle, the inner tooth
shorter than the outer one, and slightly turned inward, but the tips
distant.

Female.—Differs from the male in having the front of head wider,
slightly more convex, longitudinal groove more deeply impressed,
sides more parallel, and slightly narrower at top than at bottom, the
antennae shorter, and eyes narrower; abdomen beneath more finely,
sparsely punctate, more sparsely pubescent, and the first two seg-
ments convex at the middle; prosternum not quite so densely punc-
tate and rugose; tooth at apex of anterior and middle tibiae shorter
and more indistinct, and the claws alike on all the feet, similar to
those on the posterior feet of the male.

Length, 5.75-8.75 mm.; width, 1.5-2.25 mm.

Type locality —North Cheyenne Canyon, Colo.

Other localities —Arizona: Flagstaff, July 5, and Williams, June
9 (Barber and Schwarz). Colorado: Colorado Springs, June 15
(H. F. Wickham). New Mexico: Las Vegas ( ).» Utah:
American Fork Canyon, June 23 (Hubbard and Schwarz).

122 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

Type, allotype, and paratypes.—Cat. No. 40994, U.S.N.M. Para-
types in the collections of H. F. Wickham, C. A. Frost, Illinois
Natural History Survey, and the Academy of Natural Sciences of
Philadelphia

Described from 32 specimens (one type). Thirteen were collected
at the type locality during July, some of which were reared from
Gambel’s Oak (Quercus utahensis (A. de Candolle) Rydberg. Syn. Q.
gambelii Nuttall) by George Hofer; one collected July 18, 1917, at
the same locality by T. E. Snyder; 9 from Las Vegas, N. Mex.; 6
from American Fork Canyon, Utah; one from Colorado Springs,
Colo.; one from Flagstaff, and one from Williams, Ariz.

The specimens examined are rather uniform in size, but the «olor
of the head and pronotum varies from dark green to golden green,
and sometimes with a slight cupreous tinge.

This species is confused in collections with acutipennis, but can be
separated from that species by being distinctly bicolored on the
dorsal surface.

37. AGRILUS CRIDDLEI Frost

Figure 29

Agrilus criddlei Frost, Canad. Ent., vol. 52, 1920, pp. 249-250.—NucoLay,
Journ. N. Y. Ent. Soc., vol. 29, 1921, p. 175.—CHAMBERLIN, Cat. Bupres-
tidae, 1926, p. 57.

Male-——F¥orm resembling anxivs, moderately shining, and feebly
flattened above, bronzy black, with a slightly bluish and cupreous
reflection; beneath slightly more bronzy and shining than above, and
with a distinct cupreous tinge.

Head with the front wide, nearly flat, about equal in width at bot-
tom and top, without distinct depressions, lateral margins nearly
parallel, only feebly expanded at middle, and with a narrow, longi-
tudinal groove extending from occiput to middle of front; surface
coarsely, densely punctate, the punctures more or less confluent, and
sparsely clothed with short, inconspicuous, semierect, whitish hairs;
epistoma wide between the antennae, and broadly, deeply, arcuately
emarginate in front; antennae extending beyond middle of pronotum,
serrate from the fourth joint, and the outer joints as wide as long;
eyes moderately large, and about equally rounded above and beneath.

Pronotum one-half wider than long, base and apex about equal in
width, and widest at middle; sides slightly, arcuately rounded; when
viewed from the side the marginal carina is strongly sinuate, the
submarginal carina nearly straight, the two carinae widely separated
anteriorly, and connected to each other at the base; anterior margin
rather deeply sinuate, with a broadly rounded median lobe; base
teebly emarginate at middle of each elytron, the median lobe broadly

NORTH AMERICAN BUPRESTID BEETLES 123

rounded, and truncate in front of scutellum; disk moderately con-
vex, with a broad, rather deep depression in front of scutellum, a
vague depression on each side in front of middle, a small, deeper
depression on each side along base near posterior angles, a broad,
shallow depression on each side along lateral margins, and a more
or less distinct, elongate swelling near the posterior angles instead
of the prehumeral carina; surface finely, densely, transversely rugose,
finely punctate between the rugae, and sparsely clothed with short,
inconspicuous hairs. Scutellum not transversely carinate, and the
surface obsoletely reticulate.

Elytra slightly wider than pronotum at base, and about equal in
width at base and apical third; sides nearly parallel for a short dis-
tance behind the base, feebly, broadly, arcuately constricted in front
of midde, broadly, arcuately expanded at apical third, then obliquely
attenuate to the tips, which are separately, narrowly rounded, and
strongly serrulate; sides of abdomen broadly exposed above; disk
feebly flattened, without longitudinal costae, the sutural margins
rather strongly elevated behind the middle, and with broad, rather
shallow, basal depressions; surface densely, coarsely imbricate-punc-
tate, and sparsely, uniformly clothed with short, recumbent, whitish
hairs.

Abdomen beneath finely, sparsely punctate along the middle, more
densely toward the sides, becoming coarsely, transversely rugose on
the basal segment, and sparsely clothed with short, recumbent, whit-
ish pubescence; first segment broadly concave at middle, the second
with a rather broad, deep, smooth groove, which is wider in front
than behind, and extending from the anterior margin of segment to
near the posterior margin; last segment feebly emarginate or sub-
truncate at apex; vertical portions of the segments not conspicuously
pubescent; pygidium strongly carinate, the carina projecting and
truncate at apex. Prosternum coarsely punctate, strongly rugose,
and sparsely clothed with short, semierect, whitish hairs; prosternal
lobe moderately broad, strongly declivous, and broadly rounded in
front, with a feeble emargination at the middle; prosternal process
broad, the sides parallel to behind the coxal cavities, then strongly
attenuate to the apex, which is acute. Tibiae slender, nearly
straight, anterior and middle pairs with a small tooth on the inner
margin at apex, and the posterior pair simple. Posterior tarsi about
as long as the tibiae, and the first joint about equal in length to the
following two joints united. Tarsal claws similar on all feet, cleft
near the middle, the teeth slender, nearly equal in length, and the
inner tooth not turned inward.

Length, 7.5 mm.; width, 2 mm.

2305—28——_9

124 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

Female.—Difters from the male in being usually more robust,
front of head broader, slightly more depressed on vertex, more
sparsely punctured; antennae extending only to middle of pronotum;
scutellum feebly carinate; prosternum more sparsely punctured; first
abdominal segment feebly flattened, and more sparsely punctured
and shining; second abdominal segment not grooved at middle, and
the last abdominal segment broadly rounded at apex. (Tibiae and
tarsi missing. )

Redescribed from the male type in the collection of C. A. Frost.

Type locality —Aweme, Manitoba.

DISTRIBUTION
Material examined:

MANITOBA: Aweme, June 25 (N. Criddle).
MicHicANn: No definite locality.

ONTARIO: Toronto ( ye

QUEBEC: Rigaud. (——).

Variations—In some examples the head is a little more deeply
depressed and more greenish than in others, the depression on the
pronotum is somewhat variable in depth, and the scutellum is vaguely
carinate. In one example there are indications of a longitudinal
costa on each elytron, due to the sutural region being vaguely de-
pressed, and the anterior margin of the prosternal lobe is broadly
rounded without any emargination at the middle. Length 6.5 to 9
millimeters.

Host—Unknown.

This species may be confused in collections with aazius, but in
criddlei the pronotum is without distinct prehumeral carinae (some-
times with an obtuse swelling near the posterior angles), the males
have the claws cleft alike on all the feet, and the lateral lobes of the
genitalia are only feebly expanded near the tips, with the median
lobe acute at the apex.

38. AGRILUS OLIVACEONIGER, new species

Agrilus acutipennis Horn, Trans. Amer. Ent. Soe., vol. 18, 1891, p. 308
(part) —CHITTENDEN, U. S. Dept. Agric., Div. Ent., Bull. 22, new ser.,
1900, p. 67 (part).—Frost, Canad. Ent., vol. 44, 1912, p. 252—-CHAMBER-
LIn, Cat. Buprestidae, 1926, pp. 47-48 (part).

Male—Form similar to guadriimpressus Ziegler, feebly shining,
and slightly flattened above; olivaceous to brownish black, with a
slight aeneous tinge, and the head and pronotum more or less
cupreous; beneath more cupreous and shining than above.

Head with the front wide, feebly convex, slightly narrower at bot-
tom than at top, longitudinally impressed on the occiput and vertex,
lateral margins obliquely expanded from base to middle, where they

NORTH AMERICAN BUPRESTID BEETLES 125

are feebly, arcuately rounded, and with a rather deep, longitudinal
groove extending from the occiput to middle of front; surface
coarsely, densely punctate in front, becoming more or less longitudi-
nally rugose on the occiput, and sparsely clothed with regularly
placed, moderately long, recumbent whitish hairs; epistoma narrow
between the antennae, and broadly, arcuately emarginate in front;
antennae extending to middle of pronotum, serrate from the fourth
joint, and the outer joints as wide as long; eyes large, and slightly
more broadly rounded beneath than above.

Pronotum about one-half wider than long, the base and apex about
equal in width, and widest at middle; sides rather strongly, arcuately
rounded; when viewed from the side the marginal carina is strongly
sinuate, the submarginal carina moderately sinuate, the two carinae
narrowly separated anteriorly, and connected to each other at base;
anterior margin moderately sinuate, with a broadly rounded median
lobe; base rather strongly emarginate at middle of each elytron, the
median lobe broadly rounded, and subtruncate in front of the scutel-
lum; disk moderately convex, with a broad, moderately deep depres-
sion in front of scutellum, from one to three small depressions placed
transversely on anterior part of disk (some of these usually in-
distinct), a broad, deep depression on each side along lateral margin,
and without prehumeral carinae; surface coarsely, transversely
rugose on the median part, with numerous fine punctures between the
rugae, becoming coarsely punctate toward the sides, and sparsely
clothed with regularly placed, short, recumbent, whitish hairs.
Scutellum feebly, transversely carinate, and the surface finely
reticulate.

Elytra shghtly wider than pronotum at base, about equal in width
at base and apical third; sides nearly parallel for a short distance
behind the base, broadly, arcuately constricted in front of middle,
arcuately rounded at apical third, then obliquely narrowed to the
tips, which are separately, broadly rounded, and strongly serrulate;
sides of abdomen broadly exposed above; disk feebly flattened, with-
out longitudinal costae, sutural margins slightly elevated posteriorly,
and with broad, deep basal depressions; surface finely, densely im-
bricate-punctate, and sparsely clothed over entire surface with uni-
formly placed, short, recumbent, whitish hairs.

Abdomen beneath finely and sparsely punctate along the middle,
more densely toward the sides, becoming somewhat rugose at sides of
basal segment, and rather densely clothed with short, recumbent,
whitish pubescence; first segiment feebly flattened at middle, the
second with a deep, smooth groove, which has the sides nearly
parallel, and extending from the anterior margin to apical third;
last segment broadly rounded at apex; vertical portions of the seg-

126 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

ments densely clothed with recumbent, whitish or yellowish pubes-
cence; pygidium coarsely punctate, strongly carinate, the carina pro-
jecting and truncate at apex. Prosternum sparsely, coarsely punc-
tate, and sparsely clothed with short, recumbent, whitish hairs;
prosternal lobe broad, slightly declivous, and broadly rounded in
front; proternal process broad, surface more or less concave, and the
sides parallel to behind the coxal cavities, then obliquely narrowed
to the apex, which is acute. Tuibiae slender, anterior pair feebly
arcuate, anterior and middle pairs with a distinct tooth on the inner
margin at apex, the posterior pair simple. Posterior tarsi distinctly
shorter than the tibiae, and the first joint about equal in length to
the following three joints united. Tarsal claws dissimilar, anterior
and middle ones cleft near the tip (middle ones slightly deeper),
and the teeth nearly equal in length; posterior claws cleft near mid-
dle, the inner tooth shorter than outer one, and slightly turned
inward, but the tips distant. Genitalia similar to those of acutipen-
nis Mannerheim.

Female.—Similar to the male, but the front of head is wider, more
convex, longitudinal groove slightly more deeply impressed, and the
sides more parallel; antennae slightly shorter, eyes narrower, and
equally rounded above and beneath; abdomen beneath more finely,
sparsely punctate, and the second segment not grooved at the middle};
tooth at apex of anterior and middle tibiae shorter and less distinct,
and the claws alike on all feet, similar to those on the posterior feet
of the male.

Length, 7.5-11 mm.; width, 2-3.25 mm.

Type locality —Massachusetts (probably Tyngsboro).

Other localities—Connecticut: Lyme. Massachusetts: Sherborn,
North Saugus, Stoughton, Springfield, Framingham, and Melrose
Highlands.

Type, allotype, and paratypes.—Cat. No. 40995, U.S.N.M. Para-
types in the collections of C. A. Frost, W. J. Chamberlin, and W.
Knaus.

Described from 15 specimens (one type). Type, allotype, and one
paratype labeled “ Mass (Blanchard)” probably from Tyngsboro; 1
from Sherborn, Mass., June 3; 1 collected at Stoughton, Mass., on
iay 27 by D. H. Blake; 2 collected at North Saugus June 16 by
E. A. Back; 3 collected at Springfield, Mass., during June by E. A.
Chapin; 1 from Melrose Highlands, Mass., collected on June 3 by
D. H. Clemons; 2 collected at Framingham, Mass., during June by
GC. A. Frost; 1 unlabeled from the Melsheimer Collection; and 1 col-
lected at Lyme, Conn., May 16 on Betula lenta Linnaeus by the
writer.

This species resembles criddlei Frost very closely, but can be sep-
arated from that species by having the vertical portions of the

NORTH AMERICAN BUPRESTID BEETLES 27

abdominal segments densely clothed with whitish or yellowish pu-

bescence. It is the olivaceous variety mentioned by Horn (1891) as
being confined to the more northern regions of the country, and
which Blanchard records as having been taken on the foliage of
poplar sprouts.

39. AGRILUS ACUTIPENNIS Mannerheim
Figure 39

Agiilus acutipennis DEJEAN, Cat. Coleopt., ed. 2, 1833, p. 82; ed. 3, 1837,
p. 98 (no description ) —MANNERHEIM, Bull. Soc. Imp. Nat. Moscou,
vol. 10, no. 8, 1837, PD. 109.—Gory, Mon. Bupr., Suppl., vol. 4, 1841, pp.
295-226, pl. 37, fig. 216.—LECONTE, Proc. Acad. Nat. Sci. Phila., vol. 9,
1857, p. 9.— CROTCH, Proc. Acad. Nat. Sci. Phila., vol. 25, 1873, p. $3.—
Hupearp and SCHWARZ, Proc. Amer. Philos. Soc., vol. 17, 1878, p.
656.—DLANCHARD, Ent. Amer., vol. 5, 1889, p. 32.—HOoRN, Trans. Amer.
Ent. Soe., vol. 18, 1891, pp. 3207-309 (part). LAURENT, Ent. News, vol.
4, 1893, D. 7 —HARRINGTON, Canad. Hnt., vol. 26, 1894, p. 11—Hory,
Proce, Calif. Acad. Sci., ser. 2, vol. 4, 1894, p. 278,—SmiTH, Insect Life,
vol. 7, 1894, pp. 189-191 (This is sinuatus Olivier) ; Ent. News, vol. 5,
1894, p. 323 (This is sinuatus Olivier) ; Garden and Forest, MOls its
1894, pp. 373-374, fig. 60 (This is sinuatus ).—HAMILTON, Trans. Amer.
Ent. Soe., vol. 22, 1895, p. 264—CHITTENDEN, U. S. Dept. Agric., Div.
Ent., Bull. 22, new ser., 1900, p. 67 (part).—SMITH, 27th Ann. Rept.
N. J. State Board Agric. for 1899 (1900), suppl. Pp. 257.—OUELLET,
Le Naturaliste Canadien, vol. 29, 1902, p. 120.—FLETCHER, 36th Rept.
Ent. See. Ontario for 1905 (1906), D. 4101.—Fett, N. Y. State Mus.,
Mem. 8, vol. 2, 1966, pD. 701.—F ati, Ent. News, vol. 17, 1906, p. 168.—
WicKHAM, Bull. Lab. Nat. Hist., State Univ. Iowa, vol. 6, 1909 (author’s
ed.) p. 23.—HAsTON, Psyche, vol. 16, 1909, p. 50.—BLATCHLEY, Coleoptera
of Indiana, 1910, p. g01.—SMitTH, Ann. Rept. N. J. State Mus. for
1909 (1910), D. 995.—Frost, Canad. Ent., vol, 44, 1912, p. 252. (This
is olivaceoniger).—JOHNSON, Ent. News, vol. 27, 1916, p. 117.—NIcoLay,
Bull. Brooklyn Ent. Soe., vol. 12, 1917, p. 93.—CHAGNON, 9th Rept.
Quebec Soc. Protection Plants, Suppl. pt. 3, 1917, p. 219.—BURKE, Journ.
Econ, Hnt., vol. 10, 1917, p. 331 (This is quercicola) .—GIBSON, 48th
Rept. Ent. Soc. Ontario for 1917 (1918), PD. 412.—Nicotay, Bull. Brook-
lyn Ent. Soc., vol. 14, 1919, Dp. 19.—Frost and WEISS, Canad. Ent.,
vol. 52, 1920, p. 210; Canad. Ent., vol. 52, 1920, p. 247 (This is querci-
cola) .—FROSsT, Canad, Ent., vol. 52, 1920, p. 28.—-Brirron Conn. State
Geol. and Nat. Hist. Survey, Buil. 31, 1920, p. 244.—KNULL, Canad.
Ent., vol. 54, 1922, p. 84.—MUTCHLER and Weiss, N. J. Dept. Agric.,
Bur. Statistics and Inspection, Cire. 48, 1922, p. 3.—KNULL, Ohio State
Univ. Studies, vol. 2, no. 9, 1925, p. 46, pl. 1, fig. 7—CHAMBERLIN,
Cat. Buprestidae, 1926, pp. 47-48 (part).

Agrilus latebrus, CASTELNAU and GORY, Mon. Bupr., vol. 2, 1839, Agrilus,
p. 38, pl. 9, fis. 50.—LEConmTeE, Proc. Acad. Nat. Sci. Phila., vol. 9, 1857,
p. 9; Trans. Amer. Philos. Soc., new ser., vol. 11, 1859, pp. 246-247.

Male.—Form moderately robust, feebly shining, and more or less
flattened above; above dark blue, with a more or less distinct black-

ish or greenish tinge; beneath varying from dark blue to blackish

128 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

green, sometimes with a distinct aeneous tinge, and more shining
than above.

Head with the front rather wide, nearly flat, distinctly narrower
at bottom than at top, rather deeply impressed or concave on the
vertex and occiput, lateral margins arcuately expanded at the mid-
dle, and with a narrow longitudinal groove extending from the
occiput to middle of front; surface coarsely, densely punctate on
the front, becoming rugose on the occiput, and sparsely clothed with
short, obsolete, whitish hairs; epistoma narrow between the antennae,
and broadly, arcuately emarginate in front; antennae extending to
about middle of pronotum, serrate from the fourth joint, and the
outer joints usually slightly longer than wide; eyes large, and
slightly more broadly rounded beneath than above.

Pronotum nearly one-half wider than long, base and apex about
equal in width, and widest at middle; sides regularly, arcuately
rounded; when viewed from the side the marginal carina is strongly
sinuate, the submarginal carina less strongly sinuate, the two carinae
rather narrowly separated anteriorly, and connected to each other at
the base; anterior margin feebly sinuate, with a broadly rounded
median lobe; base rather deeply emarginate at middle of each
elytron, the median lobe broadly rounded, and truncate in front
of the scutellum; disk moderately convex, with a median depression
divided at the middle, the anterior part usually obsolete and the
posterior part distinct and more deeply and broadly impressed,
sometimes with a small depression on each side toward anterior
margin, a small depression on each side along base near posterior
angles, a broad, deep depression along lateral margins, and without
distinct prehumeral carinae; surface coarsely, densely, transversely
rugose, densely punctate between the rugae, and without distinct
pubescence except sometimes in the lateral depressions. Scutellum
transversely carinate, and the surface finely reticulate.

Elytra slightly wider than pronotum at base, and about equal in
width at base and apical third; sides nearly parallel for a short
distance behind the base, broadly, arcuately constricted in front of
middle, arcuately expanded at apical third, then obliquely attenuate
to the tips, which are separately, rather broadly rounded, and strongly
serrulate; sides of abdomen broadly exposed above; disk strongly
flattened, sometimes the junction of the discal flattened portion with
the convex sides of the elytra has the appearance of an obtuse costa,
sutural margins slightly elevated near the apex, and with broad,
deep, basal depressions; surface coarsely, densely imbricate-punctate,
and without distinct pubescence.

Abdomen beneath rather densely, finely punctate, densely, trans-
versely rugose at sides of basal segment, sparsely clothed with short,
recumbent, whitish hairs, and usually with a slightly more densely

NORTH AMERICAN BUPRESTID BEETLES 129

pubescent spot at the sides of the segments; first segment broadly
flattened at middle, the second with a deep, smooth groove extending
from the anterior margin to behind the middle; last segment broadly
rounded at apex; vertical portions of the segments clothed with mod-
erately long, recumbent, whitish pubescence, except the second, which
is glabrous; pygidium coarsely punctate, strongly carinate, the carina
projecting and truncate at apex. Prosternum sparsely, finely punc-
tate, somewhat rugose, and sparsely clothed with very short, white
hairs; prosternal lobe broad, strongly declivous, broadly rounded in
front, and sometimes with a very feeble emargination at the middle;
prosternal process broad, surface sometimes feebly, longitudinally
impressed, the sides parallel to behind the coxal cavities, then strongly
attenuate to the apex, which is acute. Tibiae slender, nearly straight
(sometimes the anterior pair feebly arcuate), anterior and middle
pairs with a small tooth on inner margin at apex, the posterior pair
sunple. Posterior tarsi distinctly shorter than tibiae, the first joint
about equal in length to the following three joints united. Tarsal
claws dissimilar, the anterior and middle pairs cleft near the tip,
and the teeth nearly equal in length; posterior claws more deeply
cleft, and the teeth feebly turned inward.

Female—Similar to the male, but is more robust, front of head
wider, the sides more parallel, and about equal in width at bottom and
top; eyes narrower, and equally rounded above and beneath; antennae
slightly shorter; first and second abdominal segments convex and not
grooved at the middle, and the tarsal claws similar on all feet, cleft
near the middle, the teeth about equal in length, the inner tooth
slightly turned inward, but the tips distant.

Length, 7.5-10 mm.; width, 1.75-2.75 mm.

Type locality—Of acutipennis, North America; type presumably
in the Dejean Collection. Of /atebrus, Carolina; present location
of type unknown to writer.

Distribution.—Material has been examined from Canada (Ontario
and Quebec), and from various localities in the following States:
Colorado, Connecticut, Florida, [llinois, Indiana, Iowa, Kansas,
Massachusetts, Maine, Michigan, Missouri, New Jersey, New York,
North Carolina, Ohio, Pennsylvania, Texas, Virginia, and Wisconsin.

Variations.—This species is more or less variable, the color vary-
ing from a brilliant blue to black. The depressions on the pronotum
show considerable variation, and the prehumeral carinae are vaguely
indicated in some examples, but they are very obtuse and more of the
form of a swelling than a carina, and the tips of the elytra are usually
broadly rounded, but occasionally a specimen is found in which the
tips are subacute.

Hosts—The larval habits of this species are unknown, but the
adults have been collected on oak (Quercus sp.), birch (Betula sp.),

130 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

poplar (Populus sp.) and hazelnut (Corylus americana Walter).
Chamberlin (1926) records it as breeding in Quercus gambelii Nut-
tall, but this record refers to quercicola.

Horn (1891) writes that the anterior and middle tibiae of the fe-
males are unarmed, but this statement is incorrect as both these pairs
of tibiae are armed with a small tooth at the apex.

40. AGRILUS AURICOMUS Frost

Agrilus auricomus Frost, Canad. Ent., vol. 44, 1912, pp. 250-252; Canad.
Ent., vol. 52, 1920, pp. 28, 250-251.—F rost and Weiss, Canad. Ent., vol.
52, 1920, p. 210—Brirron, Conn. State Geol. and Nat. Hist. Survey,
Bull. 31, 1920, p. 244—Kwuti, Ohio State Univ. Studies, vol. 2, no. 2,
p. 46—CHAMBERLIN, Cat. Buprestidae, 1926, p. 53.

Male.——F¥orm robust, moderately shining, and rather strongly flat-
tened above; head aureo-aeneous; pronotum aeneous, with a more
or less distinct cupreous tinge; elytra black, with a vague olivaceous
reflection; beneath aeneous, with a feeble cupreous tinge, and more
shining than above.

Head with the front rather wide, nearly flat, shghtly narrower at
bottom than at top, lateral margins arcuately expanded at the middle,
and with a narrow, longitudinal groove extending from occiput
nearly to the epistoma, and more deeply impressed on the occiput
and vertex; surface densely, coarsely punctate, becoming more or less
rugose on occiput, and sparsely clothed with long, semierect, yel-
lowish hairs; epistoma rather narrow between the antennae, and
broadly but not deeply, arcuately emarginate in front; antennae ex-
tending to middle of pronotum, serrate from the fourth joint, and
the outer joints slightly longer than wide; eyes large, strongly
elongate, and about equally rounded above and beneath.

Pronotum one-half wider than long, base and apex about equal in
width, and widest at middle; sides regularly, arcuately rounded;
when viewed from the side the marginal carina is strongly sinuate,
the submarginal one less strongly so, the two carinae narrowly
separated anteriorly, and connected to each other at the base; anterior
margin strongly sinuate, with a broadly rounded median lobe; base
feebly emarginate at middle of each elytron, the median lobe broadly
rounded, and truncate in front of scutellum; disk moderately convex,
with a broad, shallow median depression, which is vaguely divided
at middle, a small depression on each side along base near posterior
angles, a broad, deep depression on each side along lateral margins,
and without distinct prehumeral carinae; surface rather deepiy,
closely, transversely rugose, finely punctate between the rugae, and
sparsely clothed with recumbent, yellowish hairs in the lateral de-
pressions. Scutellum transversely carinate, the carina strongly inter-
rupted at the middle, and the surface finely reticulate.

NORTH AMERICAN BUPRESTID BEETLES 131

Elytra slightly wider than pronotum at base, distinctly wider at
base than at apical third; sides nearly parallel for a short distance
behind base, strongly, broadly, arcuately constricted in front of
middle, feebly, arcuately expanded at apical third, then obliquely
attenuate to the tips, which are separately, narrowly rounded, and
strongly serrulate; sides of abdomen broadly exposed above; disk
rather strongly flattened, the juncture of the discal flattened por-
tion with the convex sides of the elytra has the appearance of an
obtuse costa curving inward trom the humeri and vanishing behind
the middle, the sutural margins feebly elevated posteriorly, and with
deep, very broad, basal depressions; surface densely, coarsely,
imbricate-punctate, without distinct pubescence, except for a narrow,
obsolete vitta of short, sparsely placed, yellowish hairs along the
sutural margin at apical fourth.

Abdomen beneath finely, sparsely punctate along the middle, more
densely toward the sides, becoming densely, transversely rugose on
the basal segment, sparsely clothed with short, recumbent, yellowish
hairs, and with a slightly more densely pubescent spot at the sides
of the segments; first segment distinctly flattened at the middle, the
second with a rather wide, deep, smooth groove, which has the sides
nearly parallel, and extending from anterior margin of segment to
posterior third; last segment broadly truncate at apex; vertical por-
tions of the segments densely clothed with recumbent yellowish
pubescence; pygidium strongly carinate, the carina projecting and
truncate at apex. Prosternum finely, densely punctate, somewhat
rugose, and sparsely clothed with short, whitish hairs; prosternal
lobe broad, strongly declivous, and broadly rounded in front; pros-
ternal process broad, the sides parallel to behind the coxal cavities,
then strongly attenuate to the apex, which is acute. Tibiae slender,
nearly straight, and anterior and middle pairs armed with a short
tooth on inner margin at apex. Posterior tarsi distinctly shorter
than tibiae, and the first joint about equal in length to the following
three joints united. Tarsal claws dissimilar, anterior ones cleft near
the tip, and the teeth nearly equal in length; middle and posterior
claws cleft near middle, the inner tooth shorter than the outer one,
slightly turned inward, but the tips distant. (Claws on anterior
tarsi missing on type). Genitalia similar to acutipennis Manner-
heim.

Length, 9.6 mm.; width, 2.5 mm.

Female.—Difters from the male in being more robust, not so at-
tenuate posteriorly; front of head slightly broader and more cupre-
ous; antennae slightly shorter and the outer joints as wide as long;
first and second abdominal segments convex, and without a groove at
middle; last abdominal segment more broadly rounded at apex;

D2 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

vertical portion of abdominal segments more broadly visible above,
and the tarsal claws similar on all feet, cleft near the middle, the
inner tooth slightly shorter than outer one, slightly turned inward,
but the tips distant.

Redescribed from the male type (except the anterior claws) in the
collection of C. A. Frost.

Type locality —Framingham, Mass.

DISTRIBUTION

Material examined:

ConneEcTIcuT: New Haven, June 12; Portland, June 5; and Hamden, June 20
(B. H. Walden). Lyme, May—June (Fisher, Champlain).

MASSACHUSETTS: Framingham, May 31—June 14; Sherborn, July 29; and Hub-
bardston (C. A. Frost).

PENNSYLVANIA: Delaware County, May 19; Castle Rock (G. M. Greene).

Variations —This species shows considerable variation. The color
of the elytra varying from olivaceous black to olivaceous brown, and
the front of the head in the males from green to bronzy brown.
Pronotum with the median depression somewhat variable in depth,
sometimes with a small round depression on each side of the middle,
the lateral margins are nearly parallel to each other at the middlc.
and rarely with vague prehumeral carinae. Scutellum usually with
the transverse carina entire, but occasionally it is interrupted at the
middle. The elytra are usually rather acutely rounded at the tips,
and in some examples the longitudinal costae are scarcely indicated.
The color beneath varies from olivaceous green to bronzy cupreous,
the prosternal lobe is sometimes vaguely emarginate at. the middle,
the pubescence varying from yellowish white to golden yellow,
rarely the vertical parts of the second abdominal segment are nearly
glabrous, and in one female from New Haven the suture between the
first and second abdominal segments is distinct for one-half the
distance to the middle. Length 7.75 to 11.8 millimeters.

Host.—The larval habits are unknown, but Frost has collected the
adults on red oak (Quercus rubra Linnaeus), which suggests that it
may be the host for the larvae.

This seems to be a valid species, but it is so closely allied to
quadriimpressus Ziegler, that it is difficult to give characters in the
table for separating all of the examples of both species satisfac-
torily. In auricomus the pronotum is usually more deeply depressed
on the median part toward the anterior margin, the elytra more
acutely rounded at the tips, and distinctly wider at the base than
at the apical third, and the vertical parts of the abdominal segments
are usually densely clothed with golden yellow pubescence. The male
genitalia in auricomus have the lateral lobes feebly but arcuately
narrowed to the tips, which are acute, and the median lobe acuminate

NORTH AMERICAN BUPRESTID BEETLES 133

at the apex, whereas in quadriimpressus the lateral lobes are nearly
parallel to the tips, which are not acute, and the median lobe obtusely
rounded at the apex. One example collected by the writer at Lyme,
Conn., is placed with this species temporarily, but it differs from
auricomus in having the pubescence on vertical parts of abdomen
white, and the color uniformly olivaceous, in which respect it resem-
bles olivaceoniger, but lacks the uniformly distributed white hairs
on the elytra.

41. AGRILUS QUADRITMPRESSUS Ziegler

Agrilus quadriimpressus ZYeGLER, Proc. Acad. Nat. Sci. Phila., vol. 2, 1845,
pp. 267-268. HENSHAW, Canad. Ent., vol. 17, 1885, p. 1381.

Agrilus acutipennis Horn, Trans. Amer. Ent. Soc., vol. 18, 1891, pp. 307-3808
(part).—CHAMBERLIN, Cat. Buprestidae, 1926, pp. 47-48 (part).

Male—F¥orm rather robust, feebly shining, and slightly flattened
above; head green or aeneous, sometimes with a feeble cupreous re-
flection ; pronotum and elytra varying from olivaceous to black, with
a more or less distinct aeneous, greenish, or bluish tinge; beneath more
shining than above.

Head with the front rather wide, nearly fiat, distinctly narrower at
bottom than at top, more or less deeply impressed on the occiput
and vertex, lateral margins obliquely expanding from base to middle
where they are arcuately rounded, and with a narrow, longitudinal
groove extending from the occiput to middle of front ; surface densely,
coarsely punctate, more or less rugose, and sparsely clothed with
moderately long, semierect, cinerous hairs; epistoma rather narrow
between the antennae, and broadly, arcuately emarginate in front;
antennae extending to middle of pronotum, serrate from the fourth
joint, and the outer joints as wide as long; eyes large, and about
equally rounded above and beneath.

Pronotum one-half wider than long, the base and apex about equal
in width, and widest near middle or apical third; sides rather
strongly, arcuately rounded; when viewed from the side the marginal
and submarginal carinae are strongly sinuate, narrowly separated
anteriorly, and connected to each other at base; anterior margin
moderately sinuate, with a broadly rounded median lobe; base rather
strongly emarginate at middle of each elytron, the median lobe
broadly rounded, and subtruncate in front of scutellum; disk convex,
with a broad, moderately deep depression in front of scutellum (some-
times with two small, vague depressions placed transversely on an-
terior part of disk), a small depression on each side along base near
posterior angle, a broad, deep one along the lateral margins, and
without prehumeral carinae; surface coarsely, densely, transversely
rugose, finely punctate between the rugae and toward the lateral
margins, without distinct pubescence, except sometimes with a few

134 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

sparsely placed hairs in lateral depressions. Scutellum rather
strongly, transversely carinate, and the surface finely reticulate.

Elytra slightly wider than pronotum at base, about equal in width
at base and apical third; sides nearly parallel for a short distance
behind base, broadly, arcuately constricted in front of middle, arcu-
ately rounded at apical third, then obliquely attenuate to the tips,
which are separately, rather broadly rounded, and strongly serrulate;
sides of abdomen broadly exposed above; disk rather strongly flat-
tened, with an obsolete longitudinal costa at middle of each elytron,
sutural margins feebly elevated posteriorly, and with broad, deep
basal depressions; surface densely, finely imbricate-punctate; with-
out distinct pubescence, except for a few sparsely placed, short, re-
cumbent, whitish hairs at apex, and a narrow obsolete row of similar
hairs along the sutural margin at apical fourth.

Abdomen beneath finely and sparsely punctate along the middle,
more densely toward the sides, becoming somewhat rugose at sides
of basal segment, sparsely clothed with short, recumbent, whitish
pubescence, and sometimes with a slightly more densely pubescent
spot at the sides of the segments; first segment slightly flattened at
middle, the second with a deep, smooth groove, which is not wider
in front than behind, and extending from anterior margin to apical
third; last segment broadly rounded at apex; vertical portions of
the segments rather densely clothed with recumbent, whitish pubes-
cence; pygidium coarsely punctate, strongly carinate, the carina
projecting and truncate at apex. Prosternum coarsely punctate,
sometimes rugose, and sparsely clothed with short, recumbent, whit-
ish hairs; prosternal lobe broad, slightly declivous, and broadly
rounded or subtruncate in front; prosternal process broad, surface
more or less concave, and the sides parallel to behind the coxal
cavities, then abruptly narrowed to the apex, which is acute. Tibiae
slender, nearly straight, anterior and middle pairs with a distinct
tooth on inner margin at apex, the posterior pair simple. Posterior
tarsi distinctly shorter than tibiae, and the first joint about equal
in length to the following three joints united. Tarsal claws dis-
similar, anterior ones cleft near the tips, and the teeth nearly equal
in length; middle and posterior claws cleft near the middle, the
inner tooth shorter than the outer one, slightly turned inward, but
the tips distant. Genitalia similar to those of aeutipennis Manner-
heim.

Female—Similar to the male, but the front of head varying in
color from green to cupreous, wider, sides more parallel and feebly
expanded at middle, and about equal in width at bottom and top;
antennae slightly shorter; eyes narrower; abdomen beneath more
finely, sparsely punctate, without distinct pubescent spots at sides,

NORTH AMERICAN BUPRESTID BEETLES 135

and the second segment not grooved at the middle; tooth at apex of
anterior and middle tibiae less distinct, and the claws alike on all!
the feet, similar to those on the posterior feet of the male.

Length, 7.5-10.5 mm.; width, 2-2.75 mm.

Redescribed from specimens reared from oak (Quercus sp.) col-
lected at French Creek, W. Va., by F. E. Brooks. These specimens
agree very well with the description given by Ziegler, and seem to
be distinct enough to retain as a valid species.

Type locality—Georgia. Described from the “Haldeman collec-
tion, but present location of type is unknown to the writer.

DISTRIBUTION
Material examined:

CoNNECTICUT: Lyme, May 24, on Ostrya virginiana (W. S. Fisher). Walling-
ford, June 24, (D. J. Caffrey).

DistTRIcT oF CoLuMBIA: Washington, June 15 (H. G. Hubbard).

Kentucky: Louisville, June 3 (H. Soltau).

MASSACHUSETTS: Framingham, May, June, sweeping red oak (C. A. Frost).
Tyngsboro (Blanchard).

MicHIGAN: Detroit (Hubbard and Schwarz).

New York: Olcott, July 11 (H. Dietrich). West Point, June 14 (W. Robinson).

OKLAHOMA: Wichita National Forest, June 5 (W. J. Brown).

TENNESSEE: Clarksville, June 18 (W. D. Pierce).

VirGIntA: Mount Vernon, June 9 (W. L. McAtee).

WeEsT VIRGINIA: French Creek (F. E. Brooks).

Variations—The color and depressions on the pronctum are more
or less variable in this species, and the tips of the elytra are usually
broadly rounded, but a few examples were examined in which the
tips were subacute.

Host.—This species has been reared from oak (Quercus sp.)

This species is very closely allied to acutipennis Mannerheim, and
there will be some difficulty in separating some specimens from that
species. In acutipennis the elytra are usually blue, with an occa-
sional black specimen, and in all of the examples examined, the ver-
tical portions of the second abdominal segment are entirely glabrous,
whereas in guadriimpressus the elytra gre more olivaceous black, and
the vertical portions of the second abdominal segment are pubescent,
although in some examples the portions are very sparsely clothed.

42. AGRILUS AUROGUTTATUS Schaeffer

Agrilus dauroguttatus SCHAEFFER, Bull. Brooklyn Inst. Mus., vol. 1, no. 7,
1905, pp. 149-150.—F Rost and Wetss, Canad. Ent., vol. 52, 1920, p. 208.—
CHAMBERLIN, Cat. Buprestidae, 1926, p. 53.

Female——Form rather robust, subcylindrical, and strongly flat-
tened above; head and pronotum feebly shining, aeneous, the latter
slightly darker than head; elytra black, with a feeble purplish reflee-

136 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

tion, opaque, and each elytron with three distinct golden yellow
pubescent spots; beneath aeneous, and more shining than above.

Head with the front rather wide, nearly flat, about equal in width
at top and bottom, without distinct depressions, lateral margins
feebly arcuately expanded at middle, and with a feeble, longitudinal
groove extending from occiput to middle of front; surface coarsely,
densely punctate, somewhat transversely rugose on the front, becom-
ing longitudinally rugose on the occiput, and sparsely clothed with
moderately long, semierect, cinereous hairs; epistoma wide between
the antennae, and rather broadly, deeply, arcuately emarginate in
front; antennae extending to middle of pronotum, serrate from the
fourth joint, and the outer joints as wide as long; eyes large, and
about equally rounded beneath and above.

Pronotum nearly one-third wider than long, wider at apex than
base, and widest near middle; sides feebly, arcuately rounded from
apical angles to basal third, then strongly narrowed to the posterior
angles, which are rectangular; when viewed from the side the mar-
ginal carina is strongly sinuate, the submarginal carina nearly
straight, the two carinae widely separated at apical fourth, and
narrowly separated to the base; anterior margin rather strongly
sinuate, with the median lobe broadly rounded; base rather deeply
emarginate at middle of each elytron, the median lobe broadly
rounded and truncate in front of scutellum; disk moderately convex.
with two broad median depressions, feebly separated at middle, a
broad, deep depression on each side along the lateral margin, and
with strongly elevated prehumeral carinae extending from base near
posterior angles to basal third; surface densely, deeply, transversely
rugose, finely punctate between the rugae, rather densely clothed
with fine, erect, inconspicuous hairs, and the lateral depressions
densely clothed with long, recumbent, golden yellow pubescence.
Scutellum strongly, transversely carinate, and the surface finely
reticulate.

Elytra about equal in width to the pronotum at base, and slightly
wider at base than just behind the middle; sides nearly parallel for
a short distance behind base, feebly, broadly, arcuately constricted in
front of middle, arcuately expanded behind middle, then obliquely
narrowed to the tips, which are separately, narrowly rounded, and
coarsely serrulate; sides of abdomen broadly exposed above; disk
feebly flattened; the junction of the discal flattened portion with the
convex sides of the elytra has the appearance of an obtuse costa,
the sutural margins elevated near apex, and with broad, deep basal
depressions; surface finely, densely imbricate-punctate, sparsely
clothed with fine, inconspicuous hairs, and each elytron ornamented
with three distinct spots of densely placed, recumbent, golden yellow

NORTH AMERICAN BUPRESTID BEETLES 137

pubescence, one in basal depression, one just in front of middle, the
other near apical third, and with a few short, cinerous hairs along
sutural margin at apex.

Abdomen beneath finely, sparsely punctate at middle, more densely
toward the sides, and somewhat transversely rugose on basal segment,
sparsely clothed with short, semierect, cinereous hairs, and with a
spot of longer, more densely placed golden yellow pubescence at the
sides of the third and fourth segments; first segment vaguely flat-
tened at middle, and the second without a median groove; last seg-
ment subtruncate at apex; vertical portions of the segments densely
clothed with long, recumbent, golden yellow pubescence, except the
second, which is glabrous; pygidium strongly carinate, the carina
projecting and truncate at apex. Prosternum sparsely, coarsely
punctate, more or less rugose, and sparsely clothed with short, semi-
erect, cinereous hairs; prosternal lobe broad, moderately declivous,
and broadly subtruncate in front; prosternal process broad, the sides
parallel to behind the coxal cavities, then rounded to the apex, which
is acute. Tibiae slender, straight, and without a distinct tooth at
apex. Posterior tarsi nearly as long as the tibiae, and the first joint
as long as the following three joints united. Tarsal claws similar on
all feet, cleft near the middle, the inner tooth slender, shorter than
outer one, and turned inward, but the tips distant.

Length, 11.5 mm.; width, 3 mm.

Male—Differs from the female in being more slender, front of
head bronzy green, slightly more pubescent, narrower, and the lateral
margins more strongly, arcuately expanded at vertex; eyes more
broadly elongate, and slightly more broadly rounded beneath than
above; prosternum sparsely clothed with moderately long, semierect,
white hairs, and the prosternal lobe more broadly rounded in front;
first abdominal segment feebly, broadly concave at middle, and the
second with a rather broad, deep, smooth depression extending from
anterior margin to middle of segment; anterior and middle tibiae
armed with a short tooth on inner margin at apex; tarsal claws dis-
similar, anterior and middle claws cleft near tip, about equal in
length, and not turned inward, posterior claws cleft near the middle,
the inner tooth shorter than outer one, and turned inward, but the
tips distant. Genitalia not examined.

Length, 8.5 mm.; width, 2 mm.

Redescribed from the female and male cotypes No. 237, in the col-
lection of the Brooklyn Institute of Arts and Sciences.

Type locality —Palmerlee, Huachuca Mountains, Arizona.

Distribution—Arizona: Type locality, August 15, and Rams
Canyon, Huachuca Mountains August 4 (Chas. Schaeffer). Santa
Rita Mountains, July 26 (W. J. Chamberlin).

138 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

Variations —None worthy of note has been observed in the few
specimens examined.

Host—The larval habits are unknown, but the adults have been
taken by beating the branches of black oak (Qwercus sp.)

This species can be easily separated from all other known North
American species having the antennae serrate from the fourth joint,
the claws not incurved, and the pygidium with a projecting carina, by
the six very distinct golden yellow pubescent spots on the elytra.

43. AGRILUS GRANULATUS (Say)

Buprestis granulata Say, Journ. Acad. Nat. Sci. Phila., vol. 3, 1823, p. 162.

Buprestis (Teres) granulata (Say) Harris, New England Farmer, vol. 8,
ser. 1, 1829, pp. 2-3.

Agrilus granulatus Say, Trans. Amer. Philos. Soc., vol. 6, new ser., 1836,
p. 162.—LerCon tr, Trans. Amer. Philos. Soc., vol. 11, new ser., 1859,
p. 245; Say’s Writings, vol. 2, pp. 104, 596, (Bailliére Bros. ed., 1859;
Cassino and Co. ed., 1883).—CrotcH, Proc. Acad. Nat. Sci. Phila., vol.
25, 1873, p. 93.—BuRRILL, 12th Rept. State Hnt. Illinois, 1883, pp. 121—
122.— BLANCHARD, Ent. Amer., vol. 5, 1889, p. 32 (probably quadri-
guttatus).—Cook, 29th Rept. Mich. Board Agric., 1890, p. 119.—PackK-
ARD, 5th Rept. U. S. Ent. Comm., 1890, pp. 448-444.—Horn, Trans.
Amer. Ent. Soc., vol. 18, 1891, pp. 302-303 (part)—HAmiuton, Trans.
Amer. Ent. Soc., vol. 22, 1895, p. 364.—Hvans, Canad. Ent., vol. 27,
1895, p. 146—WiIckHAM, Proc. Davenport Acad. Nat. Sci., vol. 6
(author’s edition), 1896, p. 152.—Harris, Psyche, vol. 8, 1899, p. 411.—
CHITTENDEN, U. S. Dept. Agric., Div. Ent., Bull. 22, new ser., 1900, pp.
67-68 (part).—SmiTH, 27th Rept. N. J. State Board Agric. for 1899,
(1900), suppl. p. 257 (probably quadriguttatus)—U.kr, Proc. U. 38.
Nat. Mus., vol. 25, no. 1275, 1902, p. 47 (probably quadriguttatus).—
Feit, N. Y. State Mus., Mem. 8, vol. 2, 1906, p. 746.—Grgson, 38th
Rept. Ent. Soe. Ontario for 1907 (1908), p. 126—SmirnH, Ann. Rept.
N. J. State Mus. for 1909 (1910), p. 295 (probably quadriguttatus) —
BLATCHLEY, Coleoptera of Indiana, 1910, p. 801.—MaANEE, Ent. News,
vol. 24, 1913, p. 171 (probably quadriguttatus)—-BuURKE, Journ. Econ.
mnt., vol. 10, 1917, p. 331 (part).—Frosr and Werss, Canad. Ent., vol.
52, 1920, pp. 208, 247 (part). Knut, Canad. Ent., vol. 54, 1922, p. 86
(part).—MutTcHLER and Wetss, N. J. Dept. Agric., Bur. Statistics and
Inspection, Cire. 48, 1922, pp. 8-9 (part) —KNULL, Ohio State. Unity.
Studies, vol. 2, no. 2, 1925, pp. 4445 (part).—Essie, Ins. Western North
Amer., 1926, p. 403.—CHAMBERLIN, Cat. Buprestidae, 1926, p. 64 (part).

Female.——F¥orm resembling anaius, moderately shining, and feebly
flattened above; olivaceous brown, with the head and pronotum more
or less cupreous; beneath cupreous, and more shining than above.

Head with the front rather wide, nearly flat, slightly wider at
bottom than at top, without distinct depressions, lateral margins
nearly parallel, feebly, arcuately expanded at middle, and with a
feeble, longitudinal groove extending from the occiput to middle of
front; surface coarsely, densely punctate, the punctures more or
less confluent, somewhat rugose on the occiput, and densely clothed

NORTH AMERICAN BUPRESTID BEETLES 139

with long, recumbent, whitish pubescence, more golden colored ante-
riorly, and nearly concealing the surface; epistoma very wide be-
tween the antennae, and deeply, very broadly, arcuately emarginate
in front; antennae missing; eyes large, and about equally rounded
beneath and above.

Pronotum one-half wider than long, base and apex about equal in
width, and widest near middle; sides feebly, arcuately rounded from
apical angles to basal third, then strongly narrowed to the posterior
angles, which are rectangular; when viewed from the side the mar-
ginal carina is very strongly sinuate, the submarginal carina feebly
sinuate, the two carinae rather widely separated anteriorly, and con-
nected to each other at the base; anterior margin rather strongly
sinuate, with the median lobe broadly rounded; base feebly emar-
ginate at middle of each elytron, the median lobe very broadly
rounded, and subtruncate or feebly emarginate in front of scutel-
lum; disk moderately convex, with a broad, shallow, median depres-
sion, feebly divided at middle, and the posterior part slightly more
deeply depressed, on each side a broad, deep depression extending
along lateral margin from near the apical angles to middle, then
obliquely to the base on inner side of prehumeral carina, which is
sharply defined, feebly arcuate, and extending from posterior angle to
near the middle; surface densely, coarsely, but not deeply, trans-
versely rugose, finely punctate between the rugae, sparsely clothed
with short, recumbent, whitish hairs, and more densely clothed with
longer, golden pubescence in the lateral depressions. Scutellum
strongly, transversely carinate, and the surface feebly reticulate.

Elytra slightly wider than pronotum at base, and distinctly wider
at base than at apical third; sides nearly parallel for a short distance
behind base, scarcely constricted in front of middle, feebly, arcuately
expanded at apical third, then broadly, obliquely attenuate to the
tips, which are separately, rather broadly rounded, and finely serru-
late; sides of abdomen broadly exposed above; disk rather strongly
flattened, the junction of the discal flattened portion with the convex
sides of the elytra has the appearance of an obtuse costa, the sutural
margins rather strongly elevated toward the apex, and with broad,
deep, basal depressions; surface coarsely, densely imbricate-punctate,
sparsely clothed with regularly placed short, recumbent, cinereous
hairs, and each elytron ornamented with three spots of more densely
placed, longer, golden hairs, one in basal depression, one in front of
middle, and the other near the apical fourth.

Abdomen beneath finely, sparsely punctate along the middle, more
densely toward the sides, becoming transversely rugose on basal seg-
ment, sparsely clothed with short, recumbent cinereous hairs, and
with a spot of longer, more densely placed, golden pubescence at the

2305—28——10

140 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

sides of the segments; first segment convex at middle, and the second
without a median groove; last segment broadly rounded at apex;
vertical portions of the segments densely clothed with long, recum-
bent, golden pubescence, except the second, which is glabrous;
pygidium strongly carinate, the carina projecting and truncate at
apex. Prosternum sparsely, coarsely punctate, coarsely granulose,
and densely clothed with short, recumbent, cinereous pubescence;
prosternal lobe broad, moderately declivous, and broadly rounded in
front, with a rather deep, broadly arcuate emargination at the
middle; prosternal process broad, the sides parallel to behind the
coxal cavities, then strongly narrowed to the apex, which is acute.
Tibiae slender, straight, and without a distinct tooth at apex. Poste-
rior tarsi distinctly shorter than the tibiae, and the first joint about
as long as the following three joints united. Tarsal claws similar on
all feet, cleft near the middle, the inner tooth short and not turned
inward.

Length, 10 mm.; width, 2.5 mm.

Male—Differs from the female in being slightly more slender,
front of head narrower, with the lateral margins more strongly ex-
panded near the middle; first abdominal segment broadly, longi-
tudinally concave at the middle, and the second with a rather wide,
deep, smooth depression extending from the anterior margin of
segment to the apical third; prosternum more finely punctured and
more densely pubescent; anterior and middle tibiae armed with a
short tooth on inner margin at apex, and the tarsal claws dissimilar ;
the anterior pair cleft near the tip and the teeth nearly equal in
length; posterior pair cleft near the middle, the inner tooth shorter
than outer one, and feebly turned inward, but the tips distant; mid-
dle claws dissimilar, the one claw cleft near the tip, with the teeth
nearly equal in length, and the opposite claw cleft near middle,
with the inner tooth shorter than outer one. Genitalia similar to
those’ of guadriguttatus Gory.

Redescribed from a female specimen in the United States National
Museum collection from Riley County, Kans., collected on June 4
by P. J. Parrott. Since the type of this species is lost, I am desig-
nating this specimen as the neotype.

Type locality.—Missouri.

DISTRIBUTION

Material examined:

CoLorApo: Colorado Springs, reared (B. T, Harvey) ; June (H. F. Wickham),
Denver, June 1897 (H. F. Wickham).

Inuinors: No definite locality.

KANSAS: Salina (Jones). Riley County, June 4 (P. J. Parrott).

Montana: Crow Agency, July, 1916 (R. Kellogg).

New York: Nassau, June 29 (——).

NORTH AMERICAN BUPRESTID BEETLES 141
’

It is recorded from Canada, District of Columbia, Indiana, Massachusetts,
Maryland, Missouri, New Jersey, North Carolina, Pennsylvania, Wis-
consin, and Wyoming, but some of these records refer to quadrigutiatus
Gory.

Variations —In the series of specimens examined the length varied
from 7 to 11 mm., and the pubescence from whitish yellow to
golden yellow. The greatest variation was found in the depressions
on the pronotum. In some examples the median depression was mod-
erately deep and divided into two parts, whereas in others the an-
terior depression was obsolete, but with a small round depression on
each side of the median line, and about halfway between the mid-
dle and anterior margin. The antennae extend slightly beyond mid-
dle of pronotum, serrate from the fourth joint, and the outer joints
are about as wide as long.

Hosts.—This species has been reared from Lombardy poplar
(Populus nigra var. italica Du Roi), and cottonwood (Populus del-
toides Marshall). It has also been recorded in the literature from
Populus trichocarpa Hooker, but so far no adults have been recorded
from the region where this species of Populus is found. It is known
as the “Lombardy poplar borer” and is recorded as girdling and
killing limbs and entire poplar and cottonwood trees.

Many of the records in the literature under this species, at least
in part, refer to guadriguttatus Gory. Agrilus aleus described by
Gory from Columbia * has been placed as a synonym of this species.
It does not belong to our fauna, and the characters given in the
description do not agree with the above species, so it should be
dropped from our catalogues as a synonym of granulatus Say.
Crotch‘ writes that db¢guttatus Gory is evidently identical with
granulatus Say, but this is probably an error, as biguttatus is a com-
mon European species, and is certainly distinct from the American
granulatus.

One male specimen collected by the writer at Harrisburg,
Pa., June 25, 1907, has the elytra bluish black, with a distinct
greenish and purplish tinge, the surface is nearly glabrous except
for the pubescent spots, which are distinct, and a few scattered hairs
along the sutural margins near the apex, but otherwise it is typical
of the species.

44. AGRILUS QUADRIGUTTATUS Gory

Figure 31

Agrilus quadriguttatus DrsEan, Cat. Coleopt., ed. 2, 1833, p. 82; ed. 3, 1837,
p. 93 (no description)—Gory, Mon. Bupr., Suppl., vol. 4, 1841, p. 228,
pl. 38, fig. 219—LeConts, Proc. Acad. Nat. Sci. Phila., vol. 9, 1857, p. 9;
Trans. Amer. Philos. Soc., vol. 11, new ser., 1859, p. 245.—KERREMANS,
Mem. Soc. Ent. Belg., no. 1, 1892, pp. 270, 278.

3 Mon. Bupr. Suppl., vol. 4, 1841, p. 250, pl. 41, fig. 242.
*Proc. Acad. Nat. Sci. Phila., vol. 25, 1873, p. 93.

142 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

Agrilus granulatus BLANCHARD, Ent. Amer., vol. 5, 1889, p. 32 (?)—Horn
Trans. Amer. Ent. Soc., vol 18, 1891, pp. 302-803 (part) —CHITTENDEN,
U. 8. Dept. Agric., Div. Ent., Bull. 22, new ser., 1900, pp. 67-68 (part) —
SmirH, 27th Rept. N. J. State Board Agric. for 1899 (1990), suppl.,
p. 257 (?).—UtLtKeE, Proce. U. S. Nat. Mus., vol. 25, no. 1275, 1902, p. 47
(?).—SmitH, Ann. Rept. N. J. State Mus. for 1909 (1910), p. 295
(?).—MAaner, Ent. News, vol. 24, 1913, p. 171 (?).—BurxeE, Journ.
Eeon. Ent., vol. 10, 1917, p. 331 (part).—Frost and Wetss, Canad. Ent.,
vol. 52, 1920, pp. 208, 247 (part).—KNutLL, Canad. Ent., vol. 54, 1922,
p. 86 (part).—MuvtTcuier and WErss, N. J. Dept. Agric., Bur. Statistics.
and Inspection, Circe. 48, 1922, pp. 8-9 (part)—KNULL, Ohio State Univ.
Studies, vol. 2, no. 2, 1925, pp. 4445 (part).—CHAMBERLIN, Cat.
Buprestidae, 1926, p. 64 (part).

Male—F¥orm rather slender, subcylindrical, moderately shining,
and feebly flattened above, color varying from olive green, with a
more or less cupreous reflection, to a dark brown, with a distinct
cupreous tinge; beneath cupreous brown to dark bronzy green, and
more shining than above.

Head with the front rather wide, nearly flat, about equal in width
at top and bottom, without distinct depressions, lateral margins
feebly, arcuately expanded at middle, and with a narrow, longitu-
dinal groove extending from occiput to middle of front; surface
densely, coarsely punctate, the punctures more or less confluent, some-
times becoming rugose on occiput and in front of epistoma, and
sparsely clothed with moderately long, semierect, cinerous hairs;
epistoma wide between the antennae, and broadly, deeply, arcuately
emarginate in front; antennae extending beyond middle of pronotum,
serrate from the fourth joint, and the outer joints feebly longer than
wide; eyes large, and about equally rounded above and beneath.

Pronotum not quite one-half wider than long, base and apex about
equal in width and widest at middle; sides rather strongly arcuately
rounded; when viewed from the side the marginal carina is strongly
sinuate, the submarginal carina feebly sinuate, the two carinae not
very widely separated anteriorly, and connected to each other at the
base; anterior margin rather strongly sinuate, with a broadly rounded
median lobe; base slightly emarginate at middle of each elytron, the
median lobe broadly rounded, and subtruncate in front of scutellum ;
disk moderately convex, depressions variable, and with a distinct,
arcuate prehumeral carina extending from base near posterior angles
to basal third; surface densely, coarsely, transversely rugose, finely
punctate between the rugae, and sparsely clothed with short, incon-
spicuous hairs. Scutellum transversely carinate, and the surface
finely reticulate.

Elytra slightly wider than pronotum at base and about equal in
width at base and apical third; sides nearly parallel for a short dis-
tance behind the base, slightly, broadly, arcuately constricted in front

NORTH AMERICAN BUPRESTID BEETLES 143

of middle, broadly, arcuately expanded at apical third, then obliquely
attenuate to the tips, which are separately, acutely rounded and
strongly serrulate; sides of abdomen broadly exposed above; disk
feebly flattened, the junction of the discal] flattened area with the
convex sides of the elytra has the appearance of an obsolete carina,
the sutural margins rather strongly elevated behind the middle, and
with broad, deep, basal depressions; surface coarsely, densely imbri-
cate-punctate, sparsely clothed with regularly placed short, incon-
spicuous hairs, and each elytron ornamented with three indistinct
pubescent spots—basal, median, and preapical—the first two fre-
quently missing.

Abdomen beneath sparsely, finely punctate at the middie, more
densely toward the sides, more or less transversely rugose on basal
segment, sparsely clothed with short, recumbent, cinerecus hairs, and
with a spot of longer, densely placed, whitish pubescence at the sides
of the segments; first segment broadly concave at middle, the second
with a rather wide, deep, smooth groove, which has the sides nearly
parallel, and extending from the anterior margin of segment to
apical third; last segment subtruncate at apex; vertical portions
of the segments densely clothed with iong, recumbent, whitish
pubescence, except the second, which is glabrous; pygidium strongly
carinate, the carina projecting and truncate at apex. Prosternum
densely, coarsely punctate, rather densely clothed with moderately
long, semierect, cinereous hairs; prosternal lobe broad, moderately de-
clivous, and broadly rounded in front, with a bread, shallow emargi-
nation at the middle; prosternal process broad, parallel to behind the
coxal cavities, then obliquely attenuate to the apex, which is acute.
Tibiae slender, straight, anterior and middle pairs with a short tooth
on the inner margin at apex, and the posterior pair simple. Pos-
terior tarsi slightly shorter than the tibiae, and the first joint nearly
as long as the following three joints united. Tarsal claws dissimilar,
anterior and middle pairs cleft near the tip, and the teeth nearly
equal in length; posterior claws cleft near the middle, the inner tooth
slightly shorter than the outer one, feebly turned inward, but the
tips distant.

Female—Differs from the male in being more robust, front of
head broader, sides more parallel, slightly wider at bottom than at
top, and of a more cupreous color; pronotum one-half wider than
long; abdomen more sparsely punctate, the first segment convex at
middle, and the second without a median groove; prosternum more
sparsely punctured, and the lobe more deeply emarginate at middle;
tibiae not mucronate at apex, and the tarsal claws similar on all
feet, cleft near the middle, the inner tooth short, and not turned
inward.

Length, 6.5-9.25 mm.; width, 1.5-2.5 mm.

144 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

Type locality —North America. Present location of type unknown

to the writer.

DISTRIBUTION
Material examined:

CoLoRADO: Ivywild, reared (B. T. Harvey).

District oF COLUMBIA: Washington, June 3 (W. Middleton) ; June 16 (Hubbard
and Schwarz).

Jowa: Ames, June 27 (lL. S. Wells).

Kansas: Cowley, Cheyenne, Cherokee, and Rawlins Counties (R. H. Beamer).
Douglas County (F. H. Snow). Onega (W. Knaus).

MARYLAND: Beltsville, June 4 (W. L. MecAtee). Plummer Island, June—July
(taken by all collectors).

NoRTH CAROLINA: No definite locality.

PENNSYLVANIA: Allegheny County (Hhrmann). Harrisburg (Champlain and
Knull).

SoutH DaxKorTa: Lennox, July 15 (L. L. Gardner).

Texas: No definite locality.

VIRGINIA: Stone Creek, Lee County (Hubbard and Schwarz).

Variations——The species is quite variable in color, varying from
olive green to brownish cupreous. The depressions on the pronotum
are also variable; in some examples there is a broad, deep, median
depression, which is feebly interrupted at the middle, and the lateral
depressions deep, and extending from near the apical angles to the
base on inner side of the prehumeral carinae, whereas in other ex-
amples the lateral depressions are shallow, and the median depression
is only more or less indicated in front of the scutellum, and sometimes
with a small round depression on each side of the middle near the
anterior margin. The pubescent spots on the elytra are usually only
feebly indicated, and frequently the two anterior ones are entirely
wanting.

Hosts—Reared from the sapwood of dead willow (Salix sp.)
collected at Harrisburg, Pa., by A. B. Champlain and J. N. Knull,
and also from the same host in Colorado, by B. T. Harvey. This is
probably the species recorded as having been collected on partly dead
alders (A/nus sp.), although no specimens have been examined which
were collected on that plant.

This species is very closely allied to granulatus Say, and is con-
fused with that species in most collections, but from recent studies
and a knowledge of the habits of both species, it seems to be a valid
species as considered by LeConte. It differs from granulatus in
haying the front of the head more convex, and the pubescence not
obscuring the surface; pronotum with the lateral margins more
regularly rounded, and not strongly sinuate near the base, the
median depression usually more obsolete, especially the anterior part,
the lateral depressions scarcely pubescent, and the transverse rugae
deeper; elytra more gradually narrowed posteriorly, the tips more

A NORTH AMERICAN BUPRESTID BEETLES 145

acutely rounded and more coarsely serrulate, and the pubescent spots
less distinct.

Horn (1891, p. 303) writes that “ LeConte (1859) admits both
granulatus and quadriguttatus, but it is very clear that he has used
the female as his type of the former and a male for the latter.”
This statement is incorrect , as there are only four examples in the
LeConte collection under granulatus (including guadriguttatus), all
of which.are females.

45. AGRILUS NIVEIVENTRIS Horn
Figure 32

Agrilus niveiventris Horn, Trans. Amer. Ent. Soc., vol. 18, 1891, pp. 304—
305 ; Proc. Calif. Acad. Sci., vol. 4, ser. 2, 1894, p. 328.— Fatt, Ent. News,
vol. 5, 1894, p. 98—WIcKHAM, Bull. Lab. Nat. Hist., State Univ. Iowa,
vol. 4, no. 3, 1898, p. 805.—F att, Calif, Acad. Sci., Occasional Papers,
no. 8, 1901, pp. 23, 120—WickHam, Bull. Lab. Nat. Hist., State Univ.
Iowa, vol. 5, no. 3, 1902, p. 269 (probably politus)—Fat1L, Ent. News,
vol. 17, 1906, p. 168—WoopwortH, Guide to Calif. Ins., 1913, p. 194.—
BurkKE, Journ. Econ.’ Ent., vol. 10, 1917, p. 331 (part) —Frost and
Weiss, Canad. Ent., vol. 52, 1920, p. 247 (part).—CHAMBERLIN, Journ.
N. Y. Ent. Soe., vol. 32, for 1924 (1925) p. 193 (this is populi).—HEsslie,
Ins. Western North Amer., 1926, p. 403 (part) —CHAMBERLIN, Cat.
Buprestidae, 1926, p. 71 (part).

Female—Form moderately robust, feebly shining or subopaque,
and slightly flattened above; head bronzy brown; pronotum aeneous,
with a greenish tinge; elytra bronzy brown, with a feeble reddish
cupreous tinge; beneath bronzy brown, with a more or less cupreous
reflection, and densely efflorescent.

Head with the front moderately wide, feebly convex, slightly
wider at bottom than at top, without distinct depressions, lateral
margins arcuately expanded at middle, and with a feeble, narrow
groove extending from occiput to middle of front; surface coarsely,
densely punctate, feebly rugose, and rather densely clothed with long,
recumbent, whitish pubescence on lower half; epistoma strongly
transverse between the antennae, and very broadly, deeply, arcuately
emarginate in front; antennae extending to about middle of prono-
tum, serrate from the fourth joint, and the outer joints slightly
longer than wide; eyes large, elongate, and about equally rounded
above and beneath.

Pronotum about one-half wider than long, base and apex about
equal in width, and widest at middle; sides rather strongly, arcuately
rounded from apical angles to near base, where they are nearly
parallel to each other, and the posterior angles rectangular; when
viewed from the side the marginal carina is strongly sinuate, the
submarginal carina feebly sinuate, the two carinae widely separated

146 BULLETIN 145, UNITED STATES NATIONAL MUSEUM Z

anteriorly, and connected to each other near the base; anterior mar-
gin strongly sinuate; with a broadly rounded median lobe; base
feebly emarginate at middle of each elytron, the median lobe broadly
rounded, and truncate in front of scutellum; disk moderately con-
vex, with a broad, vague, median depression composed of an anterior
and posterior part, a broad, moderately deep depression on each side
along lateral margins, and with sharply defined, arcuate prehumeral
carinae extending from posterior angles to near middle; surface
densely but not deeply transversely rugose, finely, densely granulose,
fnely punctate between the rugae, and sparsely clothed with very
short, recumbent, whitish hairs, with a few longer ones in the lateral
depressions. Scutellum strongly, transversely carinate, and the sur-
face finely reticulate.

Elytra slightly wider than pronotum at base, and about equal in
width at base and behind middle; sides nearly parallel for a short
distance behind base, broadly, arcuately constricted in front of mid-
die, arcuately expanded behind middle, then obliquely attenuate to
the tips, which are separately, rather acutely rounded and strongly
serrulate; sides of abdomen narrowly exposed above; disk feebly
flattened at middle, forming a vague costa toward the sides, sutural
margins strongly elevated posteriorly, and with broad, deep basal
depressions; surface finely imbricate-punctate, and ornamented with
three indistinct, cinereous pubescent spots arranged as follows: One
basal, one in front of middle merely represented by a slightly denser
punctured area, and a more elongate one at apical third, extending
along margin to near apex.

Abdomen beneath finely, sparsely punctate at middie, more densely
toward the sides, becoming transversely rugose on the basal segment,
and densely clothed toward the sides with long, recumbent, whitish
hairs and efflorescence, with a few shorter hairs of the same color
on the median parts; first and second segments convex, and without
a median groove; last segment broadly rounded at apex; vertical
portions of segments rather densely but not conspicuously, clothed
with short, whitish pubescence; pygidium strongly carinate, the
carinae projecting, and truncate at apex. Prosternum densely,
coarsely punctate, and rather densely clothed with long, recumbent,
whitish hairs; prosternal lobe broad, strongly declivous, and broadly,
arcuately rounded in front; prosternal process broad, the sides nearly
parallel to behind the coxal cavities, then strongly narrowed to the
apex, which is acute. Tibiae slender, straight, and the anterior pair
with an indistinct tooth on inner margin at apex. Posterior tarsi
shorter than tibiae, and the first joint about as long as the following
two joints united. Tarsal claws similar on all feet, cleft near the
middle, and the inner tooth shorter than the outer one.

Length, 9.5 mm.; width, 2.5 mm.

NORTH AMERICAN BUPRESTID BEETLES 147

Male—Usually more slender than female, front of head slightly
flatter, narrower, bronzy green, becoming brownish cupreous on occi-
put, about equal in width at top and bottom, lateral margins more
arcuately expanded at middle, and the surface vaguely granulose;
eyes more broadly elongate; first abdominal segment feebly flattened
at middle, and the second with a broad, feebly depressed, smooth
groove on anterior half; last segment broadly subtruncate at apex;
tibiae with a small tooth on inner margin at apex, those on posterior
pair often indistinct; posterior tarsi slightly shorter than tibiae, and
the first joint about equal in length to the following three joints
united; tarsal claws on anterior and middle feet cleft one-third from
tip, and the teeth nearly equal in length, those on the posterior feet
cleft near middle, the inner tooth shorter than outer one, feebly
turned inward, but the tips distant.

Redescribed from the female lectotype No. 3480 in the Academy of
Natural Sciences of Philadelphia.

Type locality—tLos Angeles, Calif.

DISTRIBUTION
Material examined:

ARIzoNA: Near Yuma (——).
CALIFORNIA: Los Angeles County (Coquillett).
Ventura County, May 31 (A. D. Hopkins).
Colton, April 22, 1879 (Riley collection).
Gilroy (L. S. Slevin).
Pomona (Stromberg collection).
NEvADA: No definite locality.
UtTauH: Bellevue, June, and Zion Canyon, June (W. Knaus).

Variations ——This species is rather uniform in color, but some ex-
amples are slightly more shining and have a slightly more purplish
tinge on the elytra. The pubescent spots on the elytra are indistinct,
in most cases only the preapical spot is present, and frequently there
are a few hairs extending along the sutural margin near the apex.
In carefully collected specimens the sides of the pronotum have a
white efflorescence, and the sides of the body beneath seem very
densely pubescent due to this efflorescence between the hairs. This is,
however, so easily lost, that in most examples it is missing. The tooth
on the tibiae is quite variable in length, sometimes it is quite distinct,
and again scarcely noticeable, and sometimes it is feebly indicated on
the anterior tibiae of the females. In most cases the prosternal lobe
is broadly rounded in front, but occasionally a specimen is found
in which it is feebly, arcuately emarginate. Length 6.5 to 10
millimeters.

Hosts—Reared from dead Western Black Willow (Salix lastandra
Bentham) in California by A. D. Hopkins. The adults were found

148 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

feeding also on White Willow (Salix lasiolepis Bentham) in which
the larvae probably also live.

This species is closely allied to fulminans and popult, and all three
species are confused in collections under névetventris, however,
niveiventris is a more Opaque species.

46. AGRILUS FULMINANS, new species
Figure 33

Male—F¥orm resembling that of niveiventris Horn, strongly shin-
ing, and scarcely flattened above; head and pronotum bronzy green,
the former usually more greenish; elytra varying from green through
olivaceous to a bright cupreous, with a more or less distinct purplish
tinge; beneath bronzy green.

Head with the front rather narrow, slightly convex, about equal
in width at bottom and top, the lateral margins arcuately expanded
at middle, and with a narrow, longitudinal groove extending from
the occiput to middle of front; surface coarsely, densely punctate,
more sparsely on occiput, and sparsely clothed with moderately
long, semierect, whitish hairs; epistoma slightly transverse between
the antennae, and broadly, deeply arcuately emarginate in front;
antennae extending slightly beyond middle of pronotum, serrate
from the fourth joint, and outer joints about as wide as long; eyes
large, elongate, and equally rounded above and beneath.

Pronotum nearly one-half wider than long, vaguely narrower at
base than apex, and widest at middle or along apical half; sides
vaguely, arcuately rounded or nearly parallel from apical angles to
behind middle, then strongly narrowed to posterior angles; when
viewed from the side the marginal carina is strongly sinuate, the
submarginal carina feebly sinuate, the two carinae rather widely
separated anteriorly, and connected to each other behind the middle;
anterior margin strongly sinuate, and the median lobe broadly,
arcuately rounded; base feebly, broadly emarginate at middle of
each elytron, the median lobe feebly rounded, and subtruncate in
front of scutellum; disk moderately convex, with a broad, shallow
depression in front of scutellum, a small, round depression on each
side of middle at apical third, a broad, moderately deep depression
on each side along lateral margin, and with sharply defined, arcuate
prehumeral carinae; surface densely granulose, densely but not
deeply, transversely rugose, sparsely punctate between the rugae,
and sparsely clothed with very short, inconspicuous hairs. Scutel-
lum strongly, transversely carinate, and the surface finely, densely
reticulate.

Elytra slightly wider than pronotum at base, and about equal in
width at base and behind middle; sides nearly parallel for a short

NORTH AMERICAN BUPRESTID BEETLES 149

distance behind base, very broadly, feebly constricted in front of
middle, broadly, arcuately expanded behind middle, then obliquely
narrowed to the tips, which are separately, rather broadly rounded,
and strongly serrulate; sides of abdomen rather narrowly exposed
above; disk feebly flattened, forming a vague longitudinal costa on
each elytron, sutural margin slightly-elevated posteriorly, and with
broad, deep, basal depressions; surface coarsely, but not deeply
imbricate-punctate, vaguely rugose, clothed with a few short, scat-
tered, white hairs toward apex, and ornamented with pubescent spots
as in niveiventris, but usually only the one at apical third distinct.

Abdomen beneath finely, densely punctate at middle, more densely
toward the sides, becoming rugose or imbricate on basal segment,
sparsely clothed with short, recumbent, whitish hairs, and each seg-
ment ornamented with a more densely pubescent spot at the sides,
which is usually more or less covered with white efflorescence; first
segment flattened at middle; second segment with a vaguely de-
pressed smooth space at anterior half of middle; last segment broadly
subtruncate at apex; vertical portions of segments not conspicuously
pubescent; pygidium coarsely punctate, strongly carinate, the carina
strongly projecting and truncate at apex. Prosternum densely,
coarsely punctate, and rather densely clothed with moderately long,
semierect, whitish hairs; prosternal lobe broad, moderately declivous,
and broadly rounded or subtruncate in front; prosternal process
broad, the sides nearly parallel to behind the coxal cavities, then
strongly narrowed to the apex, which is acute. Tibiae slender,
straight, and the anterior and middle pairs armed with a very short
tooth on inner margin at apex. Posterior tarsi not quite as long as
tibiae, and the first joint as long as the following three joints united.
Tarsal claws nearly similar, anterior pair cleft one-third from tip,
and the teeth nearly equal in length; middle and anterior claws

cleft near middle, the inner tooth slightly shorter than outer one,
feebly turned inward, but the tips distant.

Female.—Differs from the male in having front of head uniformly
cupreous, slightly wider, and the lateral margins more parallel; eyes
shghtly narrower; second abdominal segment without a smooth
depression at middle; last abdominal segment more broadly rounded
at apex; anterior tibiae sometimes with a vague tooth at apex, and
the tarsal claws similar, cleft near middle, the inner tooth shorter
than outer one, and feebly turned inward.

Length, 5.5-7 mm.; width, 1.25-1.75 mm.

Type locality.—Placerville, Calif.

Other localities —California: Los Gatos (Hubbard and Schwarz) ;
on coast live oak (Quercus agrifolia Née) (H. E. Burke). Biggs,
on Sali# sp. July (A. Fényes). Chiquito Creek, Madera County,

150 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

July 12 (H. Dietrich). Bair’s Ranch, Redwood Creek, Humboldt
County, June 9 (H. 8. Barber).

Type, allotype, and paratypes.—Cat. No. 40996, U.S.N.M.

Described from a large series of specimens (one type) collected
at the type locality on the Western Black Willow (Salix lastandra
Bentham) by H. E. Burke and Eleanor T. Armstrong.

This species is rather uniferm in size, but there is considerable
variation in the coloration as stated above. The prosternal lobe is
usually broadly rounded in front, but in a few of the specimens
examined it was broadly, arcuately emarginate. The specimens from
Biggs have the elytra dark green and the pronotum more bronzy
ereen, and two specimens from Castle Crag, received from Doctor
Fényes, which I have placed under this species, have the pronotum
greenish blue and the elytra a beautiful violaceous blue; otherwise
there are no differences.

It is very closely allied to niveiventris Horn, but is more uniform
in size, more shining above, and the pubescence forming spots on the
sides of the abdomen, these spots in freshly collected specimens are
densely covered with a white efflorescence which is easily rubbed off.
It is also allied to populi Fisher, but that species is usually larger,
the males have the first abdominal segment feebly concave, and the
second segment with a broad, deep, smooth depression at the middle,
and the larvae live in poplar and cottonwood.

47. AGRILUS POPULI, new species

Figure 34

Agrilus niveiventris BuRKE (not Horn), Journ. Econ. Ent., vol. 10, 1917,
p. 331 (part) —Frosr and WEIss, Canad. Ent., vol. 52, 1920, p. 247
(part).—CHAMBERLIN, Journ. N. Y. Ent. Soc., vol. 32, for 1924 (1925),
p. 198; Cat. Buprestidae, 1926, p. 71 (part).—EHssic, Ins. Western
North Amer., 1926, p. 403 (part).

Maie—F¥orm resembling that of néveiventris Horn, strongly shin-
ing, and feebly flattened above; head green, becoming slightly cupre-
ous on the occiput; pronotum bronzy green, and sometimes with a
brownish cupreous tinge; elytra varying from golden green to red-
dish cupreous, and sometimes with a distinct violaceous tinge;
beneath bronzy green.

Head with the front rather narrow, feebly convex, about equal in
width at bottom and top, the lateral margins strongly, arcuately
expanded at middle, and with a vague longitudinal groove extending
from occiput to middle of front; surface coarsely, confluently punc-
tate, more or less rugose, and rather densely clothed with long,
recumbent, whitish pubescence; epistoma transverse between the
antennae, and broadly, rather deeply, arcuately emarginate in front;

NORTH AMERICAN BUPRESTID BEETLES 151

antennae extending to middle of pronotum, serrate from the fourth
joint, and the outer joints about as wide as long; eyes large, elongate,
and slightly more broadly rounded beneath than above.

Pronotum one-half wider than long, about equal in width at base
and apex, and widest near middle; sides arcuately rounded from
apical angles to base, slightly more strongly posteriorly ; when viewed
from the side the marginal carina is strongly sinuate, the submar-
ginal carina feebly sinuate or nearly straight, the two carinae widely
separated anteriorly, and connected to each other behind middle;
anterior margin strongly sinuate, the median lobe rather strongly,
broadly rounded; base rather acutely emarginate at middle of each
elytron, the median lobe broadly rounded, and truncate in front of
scutellum; disk moderately convex, with two more or less distinct
median depressions, the posterior one broader and deeper, a small
vague depression on each side of middle at apical third, a broad,
moderately deep depression on each side along lateral margin, and
with sharply defined, arcuate, prehumeral carinae; surface obsoletely
granulose, densely, deeply, transversely rugose, finely, sparsely punc-
tate between the rugae, and clothed with a few short, inconspicuous
hairs. Scutellum strongly, transversely carinate, and the surface
finely, densely reticulate.

Elytra wider than pronotum at base, and slightly wider at base
than behind the middle; sides nearly parallel for a short distance
behind base, broadly, arcuately constricted in front of middle, feebly,
broadly expanded behind middle, then obliquely narrowed to the
tips, which are separately, narrowly rounded, and strongly serrulate;
abdomen rather broadly exposed above; disk feebly flattened, some-
times with a vague longitudinal costa on each elytron, and with
broad, moderately deep basal depressions; surface coarsely but not
deeply imbricate-punctate, more or less rugose anteriorly, and each
elytron ornamented with three small pubescent spots, one in basal
depression, one in front of middle, and the other at apical third.

Abdomen beneath finely, densely granulose, rather densely, finely
punctate at middle, more densely toward the sides, becoming rugose
on the basal segment, and sparsely clothed with short, recumbent,
whitish hairs, which are more densely placed toward the sides; first
segment flattened or feebly concave at middle; second segment with a
rather broad, moderately deep, smooth depression at middle. the
depression extending from anterior margin to apical third, and
deeper anteriorly; last segment broadly truncate at apex; vertical
portions of segments densely but not conspicuously pubescent:
pygidium coarsely punctate, strongly carinate, the carina strongly
projecting, and truncate at apex. Prosternum densely, coarsely ru-
gose, and densely clothed with moderately long, semierect, whitish

152 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

hairs; prosternal lobe broad, moderately declivous, and broadly but
not very deeply, arcuately emarginate in front; prosternal process
broad, the sides parallel to behind the coxal cavities, then arcuately
narrowed to the apex, which is acute. Tibiae slender, and the an-
terior and middle pairs armed with a very short, broad tooth on inner
margin at apex. Posterior tarsi nearly as long as the tibiae, and the
first joint as long as the following three joints united. Tarsal claws
nearly similar, anterior and middle pairs cleft one-third from tip,
and the teeth nearly equal in length; posterior claws cleft near
middle, the inner tooth shghtly shorter than outer one, feebly turned
inward, but the tips distant.

-Female.—Difters from the male in having the front of head uni-
formly brownish cupreous, broader, slightly more convex, and the
lateral margins more parallel to each other; eyes slightly narrower
and equally rounded above and beneath; abdominal segments convex
at middle, last abdominal segment more broadly rounded at apex,
and the tibiae without a distinct tooth at apex.

Length, 7.5-9.75 mm.; width, 1.75-2.50 mm.

Type locality —Yreka, Calif.

Other localities—California: Palo Alto; Oakridge; Cole; and
Moore, Menlo Park. British Columbia: Merrit, Midday Valley.
Montana: Missoula.

Type, alotype, and paratypes.—Cat. No. 40997, U.S.N.M. Para-
types in the collections of C. A. Frost, W. J. Chamberlin, J. N. Knull,
Ralph Hoppings, H. E. Burke, and the Canadian National Collection.

Described from 31 specimens (one type). Type and one male
paratype collected at the type locality June 11, on Lombardy poplar
(Populus nigra var. italica DuRoi) by H. E. Burke; allotype and
three paratypes reared from wood of the same host collected at Palo
Alto, by R. D. Hartman; eight paratypes from Palo Alto, reared
from black cottonwood (Populus trichocarpa Hooker), by R. D.
Hartman; two paratypes collected at Moore, Menlo Park, during
July on poplar by H. E. Burke; two paratypes collected at Cole,
during July; four paratypes collected at Oakridge, May 30 and
June 29, on Oregon alder (Alnus rubra Bongard) by W. J. Cham-
berlin; three paratypes from Missoula, Mont., reared from black
cottonwood (Populus trichocarpa Hooker) by J. J. Sullivan; and
six paratypes collected at Merritt, Midday Valley, British Columbia,
during July, by K. F. Auden.

These specimens vary considerably in size, but are rather uniform
in coloration, although the specimens from Oakridge, which were
collected on alder, have the elytra more golden green, with only a
feeble cupreous tinge. The depressions on the pronotum show
considerable variation.

NORTH AMERICAN BUPRESTID BEETLES 153

This species is closely allied to niveiventris Horn, and fulminans
Fisher. From the former it differs in being more shining above, the
pubescent spots on the eyltra more distinct, and the larvae live in
poplar and cottonwood. In fwlminans the pubescence on the sides
of the abdomen form more or less distinct spots, the size is smaller
and more uniform, the males have the first abdominal segment flat-
tened, and the second segment with a vaguely depressed smooth space
at the middle on the basal half, and the larvae live in willow.

48. AGRILUS BETULAE, new species

Male.-Form similar to that of anaius Gory, but slightly more
slender, rather strongly flattened above, and feebly shining; head
aeneous in front and becoming cupreous on the occiput; pronotum
and elytra bottle green with a distinct purplish tinge, especially to-
ward the sides; beneath cupreous, with a feeble purplish reflection,
and more shining than above.

Head with the front rather narrow, nearly flat, and about equal
in width at top and bottom, and lateral margins broadly, arcuately
expanded at middle, and without a distinct longitudinal groove;
surface finely, densely punctate, and densely clothed with long, re-
cumbent, yellowish pubescence, which nearly conceals the surface;
epistoma broadly and rather deeply, arcuately emarginate in front;
antennae extending to middle of pronotum, serrate from the fourth
joint, and the outer joints slightly longer than wide; eyes large,
broadly elongate, and about equally rounded above and beneath.

Pronotum two-fifths wider than long, base and apex about equal in
width, and widest at middle; sides arcuately rounded from apical
angles to base; when viewed from the side the marginal and sub-
marginal carinae are strongly sinuate, narrowly separated anteriorly,
and connected to each other behind the middle; anterior margin
strongly sinuate, and the median lobe broadly rounded; base broadly
emarginate at middle of each elytron, the median lobe broadly
rounded, and subtruncate in front of scutellum; disk moderately
convex, a more or less distinct median depression composed of two
parts, a round depression on each side of middle anteriorly, and with
broad, shallow lateral depressions, and sharply defined, arcuate pre-
humeral carinae; surface coarsely, closely, and deeply transversely
rugose, with numerous punctures between the rugae, and sparsely
clothed with short, semierect, whitish hairs. Scutellum rather
strongly, transversely carinate, and the surface finely, densely
reticulate.

Elytra slightly wider than pronotum at base, and about equal in
width at base and behind the middle; sides vaguely rounded for a
short distance behind base, broadly constricted in front of middle,

154 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

broadly, arcuately expanded behind the middle, then obliquely
narrowed to the tips, which are separately, broadly rounded, and
coarsely serrulate; sides of abdomen scarcely exposed above; disk
rather strongly flattened anteriorly, without distinct costae, the
sutural margins feebly elevated posteriorly, and with broad, deep
basal depressions; surface densely, rather coarsely imbricate-punc-
tate, and sparsely clothed with short, recumbent, whitish hairs,
which are more uniformly distributed posteriorly and along the
sides.

Abdomen beneath finely, densely punctate at middle, becoming
more densely punctate toward the sides, transversely rugose on basal
seement, and clothed with moderately long, semierect, whitish hairs,
which are sparsely placed on the median part but becoming denser
toward the sides; first segment broadly concave at middle, and the
bottom of the concavity rugose; second segment with a smooth, deep
depression extending from the ‘anterior margin to behind the middle
of segment; last segment transversely truncate at apex; vertical
portions of segments not conspicuously pubescent; pygidium coarsely
punctured, strongly carinate, the carina strcngly projecting, and
truncate at apex. Prosternum finely, densely punctate, densely
rugose, and rather densely clothed with moderately long, semierect,
white hairs; prosternal lobe broad, rather strongly declivous, and
broadly, vaguely emarginate in front; prosternal process broad, the
sides parallel to behind the coxal cavities, then obliquely narrowed
to the apex, which is acute. Tibiae slender, and the anterior and
middle pairs armed with a very small tooth on inner margin at apex.
Posterior tarsi distinctly shorter than tibiae, and the first joint
about as long as the following three joints united. Tarsal claws dis-
similar, anterior and middle ones cleft near apex, the teeth nearly
equal in length, and the inner ones not turned inward; posterior
claws cleft near the middle, and the inner tooth much shorter than
outer one. Genitalia similar to those of anatus Gory.

Length, 7.5 mm.; width, 1.75 mm.

Female—Ditters from the male in having the front of head red-
dish cupreous, sparsely pubescent, and the sides more parallel to each
other; first and second abdominal segments convex at middle; tibiae
unarmed at apex, and the tarsal claws similar on all feet, cleft neax
the middle, and the inner tooth much shorter than the outer one.

Type locality —Plummer Island, Md. (near Washington, D. C.).

Other localities —Fairfax County, Va.

Type and allotype.—Cat. No. 40998, U.S.N.M.

Paratype—Collection Warren Knaus.

Described from three specimens, two males and one female (one
type). One male and female reared from pupae collected in pupal

NORTH AMERICAN BUPRESTID BEETLES 155

cells in river birch (Betula nigra Linnaeus) at Plummer Island, Md.,
on April 23, 1905, by A. D. Hopkins. The pupal cells were common
in the outer sapwood of small trees, which evidently had died the
previous summer. One male paratype received from Warren Knaus,
and labeled “ Fairfax County, Virginia, June 20, 1912.”

This species is closely allied to pensus Horn and anwius Gory, but
is more slender posteriorly than either of these two species, the upper
surface is of a different color, and the males have the head densely
pubescent in front.

49. AGRILUS PENSUS Horn

Agrilus pensus Horn, Trans. Amer. Ent. Soc., vol. 18, 1891, p. 305.—
Gipson, 43d Rept. Hnt. Soe. Ontario for 1912 (1913), p. 216 (sepa-
rate p. 14).—Frost, Canad. Ent., vol. 47, 1915, p. 144.—Nicotay, Ent.
News, vol. 30, 1919, p. 277..-Frost, Canad. Ent., vol. 52, 1920, p. 27.—
Frost and Wetss, Canad. HBnt., vol. 52, 1920, p. 209.—KNuULL, Canad.
Ent., vol. 54, 1922, p. 84; Ohio State Univ. Studies, vol. 2, no. 2, 1925,
pp. 4546—CHAMRERLIN, Cat. Buprestidae, 1926, p. 76.

Male—F¥orm similar to that of anwius Gory, slightly flattened
above, and feebly shining; head bronzy green, becoming brownish
cupreous on the occiput; pronotum and elytra dark reddish cupreous,
sometimes with a feeble blackish green tinge; beneath reddish
cupreous, the legs more or less greenish, and more shining than
above.

Head with the front rather narrow, feebly, broadly depressed on
vertex and occiput, about equal in width at top and bottom, the
lateral margins feebly, broadly constricted near bottom, arcuately
expanded at vertex, and with a narrow, longitudinal groove extend-
ing from the occiput to middle of front; surface coarsely, densely
punctate on the front, becoming somewhat longitudinally rugose on
the occiput, and rather sparsely clothed with long, recumbent,
whitish hairs, which are slightly denser on lower half; epistoma
slightly transverse between the antennae, and broadly but not deeply
arcuately emarginate in front; antennae extending slightly beyond
middle of pronotum, serrate from the fourth joint, and the outer
joints as wide as long; eyes large, strongly elongate, and equally
rounded above and beneath.

Pronotum one-half wider than long, base and apex about equal
in width, and widest at middle; sides arcuately rounded from apical
angles to near base, where they are feebly sinuate; when viewed
from the sides the marginal and submarginal carinae are sinuate
rather narrowly separated anteriorly, and connected to each other at
or near the base; anterior margin feebly sinuate, and the median
lobe feebly, broadly rounded; base feebly, broadly emarginate at
middle of each elytron, the median lobe broadly rounded, and sub-

2305—28——11

156 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

truncate in front of scutellum; disk moderately convex, a more or
less distinct median depression composed of two parts, sometimes
a round depression on each side of middle anteriorly, with broad,
moderately deep lateral depressions, and sharply defined prehumeral
carinae; surface obsoletely granulose, densely, rather coarsely, trans-
versely rugose, finely, sparsely punctate between the rugae, and
sparsely, uniformly clothed with short, whitish hairs. Scutellum
rather strongly, transversely carinate, and the surface finely, densely
reticulate.

Elytra slightly wider than pronotum at base, and about equal in
width at base and behind middle; sides nearly parallel for a short
distance behind base, broadly constricted in front of middle, broadly,
arcuately expanded behind middle, then obliquely narrowed to the
tips, which are separately, rather narrowly rounded, and coarsely
serrulate; sides of abdomen rather broadly exposed above; disk
slightly flattened, costae sometimes feebly indicated, sutral margins
elevated behind middle, and with broad, deep basal depressions;
surface densely, irregularly imbricate-punctate, and sparsely, uni-
formly clothed with short, recumbent, whitish hairs, sometimes be-
coming denser and forming an obsolete spot on each elytron at
middle and apical third.

Abdomen beneath finely, sparsely punctate at middle, densely punc-
tate toward the sides, densely, transversely rugose at sides of basal
segments, and clothed with moderately long, recumbent, whitish
hairs, which are very sparsely placed on median parts but becoming
denser toward the sides; first segment broadly longitudinally concave
at middle, and the bottom of the concavity roughly sculptured;
second segment with a smooth, deep depression extending from an-
terior margin to near the posterior margin; last segment obtusely
rounded, or subtruncate at apex; vertical portions of segments rather
densely but not conspicuously pubescent; pygidium coarsely punctate,
strongly carinate, the carina strongly projecting, and truncate at
apex. Prosternum densely rugose, finely punctate, and sparsely, uni-
formly clothed with moderately long, semierect, whitish hairs; pro-
sternal lobe broad, moderately declivous, and broadly, feebly emar-
ginate in front; prosternal process broad, the sides parallel to behind
the coxal cavities, then obliquely narrowed to the apex, which is acute.
Tibiae slender, and the anterior and middle pairs armed with a very
small tooth on inner margin at apex. Posterior tarsi shorter than
tibiae, and the first joint about as long as the following three joints
united. Tarsal claws dissimilar, anterior and middle ones cleft near
apex, the teeth nearly equal in length, and the inner one not turned
inward; posterior claws cleft near middle, and the inner tooth much
shorter than outer one. Genitalia similar to those of anwius Gory.

Length, 7.5 mm.; width, 2 mm.

NORTH AMERICAN BUPRESTID BEETLES 157

Female.—Differs from the male in having the front of head uni-
formly reddish cupreous, slightly wider, and sides nearly parallel
to each other; first and second abdominal segments convex at middle;
tibiae unarmed at apex; and the tarsal claws similar on all feet, cleft
near middle, and the inner tooth much shorter than outer one.

Redescribed from the male lectotype No. 348i in the Academy of
Natural Sciences of Philadelphia.

Type locality —Massachusetts (probably from Tyngsboro).

DISTRIBUTION

Material examined:

MAINE: Wales, June 23; Monmouth, June 27 (C. A. Frost). Meddyhemps, June
25 (R. J. Sim).

MassacHuseEtts: No definite locality—probably Tyngsboro (Blanchard).

New Brunswick: Bathurst, July 2-24 (J. N. Knull).

New HAMPSHIRE: Bretton Woods, June 30 (Van Duzee).

NEw JERSEY: Newfoundland, July 4 (A. S. Nicolay).

Nova Scotra: Greenfield, July 13-16 (——).
Port Medway, Aug. 14 (P. G. Bolster).

PENNSYLVANIA: Charter Oak, July 5 (J. N. Knull).

Variations—The coloration is rather constant in the specimens
examined, but the depressions on the pronotum vary similar to those
in anxius. In some examples the prehumeral carinae on the pro-
notum are larger, strongly arcuate, and more distinct than in others,
and in some of the examples examined the costae on the elytra are
feebly indicated, whereas in others they are entirely obliterated.
Length 7 to 8.5 millimeters.

Hosts.—The larval habits of this species are unknown, but C. A.
Frost has collected the adults on the foliage of alder (Alnus incana
Linnaeus) and Hop-hornbeam or ironwood (Ostrya virginiana
(Miller) Koch).

This species is very closely allied to anaius Gory, and usually can
only be separated from that species by the coloration, which is red-
dish cupreous. The head is usually broadly depressed on the vertex
and the pubescence on the elytra has a tendency to form a spot on
each elytron at the middle and apical third. The groove on the
second abdominal segment, which was used by Horn (1891) for
separating the males from anaius, is of little use, as it is more or less
variable. On examining the lectotype of pensus, this groove was
found to be identical with the groove on some specimens of anwxius.

All of the specimens examined are rather uniform in coloration
and are from the northeastern part of the United States and Canada,
many of which are probably from the type series collected by Blanch-
ard. Chamberlin (1926) records it from Illinois, but I have not

158 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

seen any examples from that region. This species may only represent
a color variety of anaius, but since nothing is known of its habits,
it is best to retain it for the present, at least, as a valid species.

50. AGRILUS HORNI Kerremans

Agrilus blanchardi Horn, Trans. Amer. Ent. Soc., vol. 18, 1891, pp. 305-306
(name preoccupied ).—Frost, Psyche, vol. 16, 1909, p. 67—BLATCHLEY,
Coleoptera of Indiana, 1910, p. 801—CHaenon, 9th Rept. Quebec Soc.
Protection Plants, suppl., pt. 3, 1917, p. 219.

Agrilus horni KrrreMAns, Ann Soc. Ent. Belgique, vol. 44, 1900, p. 341.—
Britron, Conn. State Geol. and Nat. Hist. Survey, Bull. 31, 1920, p.
244.—-CH AMBERLIN, Cat. Buprestidae, 1926, p. 65 (part).

Male—Form similar to that of anaius, slightly flattened above, and
feebly shining; head bronzy green in front, becoming brownish cupre-
ous on the occiput ; pronotum dark brown, with a more or less cupreous
tinge; elytra olivaceous black; beneath aeneous, with a feeble cupre-
ous reflection, and more shining than above.

Head with the front rather narrow, nearly flat, about equal in
width at top and bottom, the lateral margins broadly, arcuately
expanded near vertex, and with a narrow, longitudinal groove extend-
ing from the occiput to middle of front; surface rather coarsely,
irregularly rugose, densely, coarsely punctate, and sparsely clothed
with short, semierect, white hairs on lower half, and a distinct, round,
smooth elevation on each side behind the antennal fovea; epistoma
transverse between the antennae, and the anterior margin elevated,
and broadly, rather deeply, arcuately emarginate; antennae extend-
ing to about middle of pronotum, serrate from the fourt joint,
and the outer joints about as long as wide; eyes large, strongly
elongate, and almost equaily rounded beneath and above.

Pronotum one-half wider than long, base and apex equal in width,
and widest at middle; sides regularly, arcuately rounded from apical
angles to near base, where they are feebly sinuate; when viewed from
the side the marginal carina is strongly sinuate, the submarginal
carina feebly sinuate, the two carinae widely separated anteriorly,
and connected to each other near the base; anterior margin feebly
sinuate, and the median lobe feebly, broadly rounded; base feebly,
broadly emarginate at middle of each elytron, the median lobe
broadly rounded, and subtruncate in front of scutellum; disk moder-
ately convex, with a broad, shallow depression in front of scutellum,
a round, rather deep depression on each side of middle, a broad,
oblique, depression on each side along lateral margin extending to
base, and with sharply defined, arcuate, prehumeral carinae; surface
finely, densely, transversely rugose, finely, densely punctate between
the rugae, and sparsely clothed with very short, inconspicuous hairs.
Scutellum strongly, transversely carinate, and the surface finely,
densely reticulate.

NORTH AMERICAN BUPRESTID BEETLES 159

Elyira slightly wider than pronotum at base, and about equal in
width at base and behind middle; sides parallel for a short distance
behind base, broadly, arcuately constricted in front of middle,
broadly, arcuately expanded behind the middle, then obliquely nar-
rowed to the tips, which are separately, rather narrowly rounded,
and strongly serrulate; sides of abdomen narrowly exposed above;
disk feebly flattened, with the costae vaguely indicated, sutural
margins slightly elevated behind the middle, and with broad, deep,
basal depressions; surface densely, finely imbricate-punctate, and
rather sparsely uniformly clothed with short, recumbent whitish
pubescence.

Abdomen beneath finely, densely punctate, the punctures slightly
denser toward the sides, somewhat rugose at sides of basal segments,
and rather densely clothed with short, recumbent, whitish hairs; first
and second segments each with a deep, smooth median groove, the
one on the second segment extending nearly to the posterior margin;
last segment transversely truncate; vertical portions of the segments
rather densely but not conspicuously pubescent; pygidium coarsely
punctate, strongly carinate, the carina strongly projecting, and
rather acute at apex. Prosternum densely, finely, punctate, and
sparsely clothed with short, recumbent, whitish pubescence; pros-
ternal lobe broad, moderately declivous, and broadly but feebly,
arcuately emarginate in front; prosternal process broad, the sides
parallel to behind the coxal cavities, then obliquely narrowed to the
apex, which is acute. Tibiae slender, the anterior and middle pairs
armed with a short tooth on the inner margin at apex. Posterior
tarsi slightly shorter than tibiae, and the first joint as long as the
following two joints united. Tarsal claws dissimilar, anterior and
middle ones cleft near the apex, the teeth equal in length, and the
inner one not turned inward; posterior claws cleft near the middle,
the inner tooth broad and very short. Genitalia not examined.

Length, 9 mm.; width, 2.25 mm.

Female.—Unknown.

Redescribed from the, type No. 3496 in the Academy of Natural
Sciences of Philadelphia.

Type locality Tyngsboro, Mass.

Host—Unknown.

Horn (1891) in his original description gives the distribution as
the Lake Superior region, New York, and Massachusetts, but there
is only one specimen from the type locality in the Horn collection
under blanchardi. In the LeConte collection are two specimens
mounted on the same cardboard under this name, and labeled “ Mass.”
The under side of these two examples could not be examined, so the
writer was unable to decide if these specimens were blanchardi or
anzius. If Horn erroneously placed specimens from Lake Superior

160 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

and New York under this species, he probably removed them at a
later date. Chamberlin (1926) records it from a number of different
localities, but probably these, as well as the other published records
for this species should apply to anwxius.

The writer has seen only one specimen (type) which could be con-
sidered as this species, and this seems to be an abnormal specimen,
however, it is advisable to retain it as a valid species. In the type
the first and second abdominal segments have each a deep, smooth
median groove, as stated by Horn, but it does not seem to differ in
any other respect from anaius, which has the abdominal grooves
more or less variable.

Horn described this species under the name of blanchard2, but this
name had been previously used by Saunders for Agrilus ater
Blanchard (name preoccupied), a species from South America, so
Kerremans (1900) proposed the new name horni.

51. AGRELUS ANXIUS Gory

Figure 35

Agrilus anxvius DrsEan, Cat. Coleopt., ed. 2, 1833, p. 82; ed. 3, 1837, p. 93
(no description).—Gory, Mon. Bupr. Suppl., vol. 4, 1841, p. 226, pl. 37,
fig. 217—Wuitr, Nomenclature Coleopt, Ins. Brit. Mus., pt. 3, 1848,
p. 36.—LeContTE, Proc. Acad. Nat. Sci. Phila., vol. 9, 1857, p. 9; Trans.
Amer. Philos. Soc., vol. 11, new ser. 1859, p. 247.—Crorcn, Proc. Acad.
Nat. Sci. Phila., vol. 25, 1873, p. 983—BriancHarpD, Ent. Amer., vol. 5,
1889, p. 32.—Horn, Trans. Amer. Ent. Soc., vol. 18, 1891, pp. 306-807.—
SmirH, Ins. Life, vol. 7, 1894, pp. 189-191 (this is sinuatus Olivier) ;
Canad. Ent., vol. 26, 1894, p. 272 (this is sinwatus)—Hvans, Canad.,
Ent., vol. 27, 1895, p. 146.—Laintner, 48th Rept. N. Y. State Mus., 1895,
p. 407.—WickuHam, Bull. Lab. Nat. Hist., State Univ. Iowa, vol. 3, no.
3, 1895, p. 38.—BowpritcH, Psyche, vol, 7. 1896, suppl. 2, p. 7—WIcKHAM,
Proc. Davenport Acad. Nat. Sci. vol. 6, 1896, p. 152 (author’s edi-
tion). —Ferxttr, Country Gentleman, vol. 63, 1898, p. 993.—CHITTENDEN,
U. S. Dept. Agric., Div. Ent., Bull. 18, new ser., 1898, pp. 44-51, figs.
15-17.—SLINGERLAND, Proc. 44th Ann. Meeting Western N. Y. Hort.
Soe., 1899, pp. 72-73.—WickHaAm, Ent. News, vol. 10, 1899, p. 7.—FExrt,
Bull. N. Y. State Mus., vol. 8, no. 37, 1900, p. 24, fig. 37 —CHAMBERLIN,
Scientific Amer., vol. 82, 1900, p. 42.—CHITTENDEN, U. S. Dept. Agri.,
Div. Ent., Bull. 22, new ser., 1900, pp. 64-65, 67—SmiTH, 27th Rept.
N. J. State Board Agric. for 1899 (1900), suppl. p. 257—Fr.rt, 16th
Rept. N. Y. State Ent. for 1900 (1901), p. 1007—MacGiiivray and
HovueutTon, Ent. News, vol. 13, 1902, p. 251.—Stosson, Ent. News, vol.
13, 1902, p. 6—Wicku AM, Bull. Lab. Nat. Hist., State Univ. Iowa, vol. 5,
No. 3, 1902, p. 269.—OvELLET, Le Naturaliste Canadien, vol. 29, 1902,
p. 120.—F ext, 17th Rept. N. Y. State Ent. for 1901 (1902), pp. 792, 859.—
LocHHEAD, 28th Rept. Ont. Agric. College and Exp. Farms for 1902
(1903), pp. 22-23, fig. 4; 33d Rept. Ent. Soc. Ontario for 1902 (1903),
p. 68.—Evans, Canad. Ent., vol. 35, 1903, p. 291.—CuHITreNpDEN, U. S.
Dept. Agric., Bur. Forestry, Bull. 46, 1904, pp. 67-68, figs. 14-15.—Hop-

NORTH AMERICAN BUPRESTID BEETLES 161

KINS, U. 8S. Dept. Agric., Yearbook for 1903 (1904), p. 322, text fig.
34a-34b, pl. 39, fig. 2; Div. Ent., Bull. 48, 1904, pp. 21, 38.—Fett, N. Y.
State Mus., Mem. 8, vol. 1, 1905, pp. 284-287, pl. 40, figs. 1-2, text fig. 49;
21st Rept. N. Y. State Ent. for 1905 (1906), (no text), pl. 2—SLINGER-
LAND, Cornell Agric. Exp. Sta., Bull. 234, 1906, pp. 65-78, figs. 30-38
(life history) .—( ) U. 8. Dept. Agric., Yearbook for 1907 (1908),
p. 550.—WaSsHBURN, Minn. Agric. Exp. Sta., Press Bull. 33, 1908, pp.
9-10, fig. 12; 12th Rept. Minn. State Ent., 1908, pp. 98-99, fig. 44.—
(——) U. S. Dept. Agric., Yearbook for 1908 (1909), p. 578.—FRrost,
‘Psyche, vol. 16, 1909, p. 67.—Easton, Psyche, vol. 16, 1909, p. 50.—
WICKHAM, Bull. Lab. Nat. Hist., State Univ. Iowa, vol. 6 (author’s ed.),
1909, p. 23.—SmitH, Rept. N. J. Agric. Exp. Sta. for 1909 (1910),
pp. 415-416. Rept. N. J. State Mus. for 1909 (1910), p. 295.—Frnt, 25th
Rept. N. Y. State Ent. for 1909 (1910), p. 98—Davis, Journ. Econ.
Ent., vol. 3, 1910, p. 184.—Burxg, U. S. Dept. Agric., Yearbook for 1909
(1910), p. 403, fig. 26.—Grsson, 40th Rept. Ent. Soc. Ontario for 1909
(1910), pp. 138-14.—-BLatTcHiEy, Coleoptera of Indiana, 1910, p. 801,
fig. 310-—HeEwitTt, Rept. Ent. Canad., 1910, p. 246—Smitu, Rept. N. J.
Agric. Exp. Sta. for 1910 (1911), p. 348—TFKorpes, 26th Rept. State
Ent. Dllinois, 1911, pp. 53-55, figs. 58-59; Ill. Agric. Exp. Sta., Bull.
151, 1911, pp. 515-517, figs. 58-59.—Gossarp, Journ. Econ. Ent., vol. 4,
1911, p. 208.—Brirton, Journ. Eeon. Ent., vol. 4, 1911, p. 544.—F Rost,
Canad. Ent., vol. 44, 1912, p. 252—NSanpmrs, Wise. Agric. Exp. Sta.,
Bull. 227, 1912, pp. 22-23, figs. 9-10.— Frext, 27th Rept. N. Y. State Ent.
for 1911 (1912), pp. 108-109, 1138, fig. 3; Garden Magazine, vol. 15, no.
1, 1912, p. 36—Ruveetes, Minn. State Ent., Cire. 25, 1912, p. 3, fig. 1—
WASHBURN, 14th Rept. Minn. State. Hnt., 1912, p. 57—FrERNALD, Journ.
Heon. Ent., vol. 5, 1912, p. 246; 25th Rept. Mass. Agric. Exp. Sta., pt. 2,
1918, p. 85.—SWwaAIne, 5th Rept. Quebec Soc. Protection Plants, 1913,
p. 56; 43d Rept. Ent. Soc. Ontario for 1912 (1913), p. 91—Fexr, 28th
Rept. N. Y. State Ent. for 1912 (1918), p. 101—RuvceeLEs, Minn. State
Ent., Cire. 30, 1914, pp. 7-8—Brooxs, U. S. Dept. Agric., Journ.
Agric. Research, vol. 3, no. 2, 1914, p. 184.—Swaine, 6th Rept. Quebec
Soc. Protection Plants, 1914, p. 54; 7th Rept. Quebec Soc. Protection
Plants, 1915, pp. 106-107, fig—BLacKMAN and EL is, Bull. N. Y. State
College Forestry, vol. 16, no. 26, 1915, pp. 4649, figs. 16-19—Hewirt,
Rept. Ent. Canad., 1915, p. 30.—Carsar, 45th Rept. Ent. Soc. Ontario
for 1914 (1915), p. 46—Jounson, Ent. News, vol. 27, 1916, p. 117.—
BarttetTt, Tree Talk, vol. 4, 1916, p. 17—Fent, Country Life in
America, vol. 29, no. 5, 1916, pp. 74-76; N. Y. State Mus., Bull. 180,
1916, p. 117.—Swatnez, 47th Rept. Ent. Soc. Ontario for 1916 (1917),
pp. 102-105, pl. 3, figs. 14.—Gisson, 47th Rept. Ent. Soc. Ontario for
1916 (1917), p. 149.—HurTcHines, 9th Rept. Quebec Soc. Protection
Plants, 1917, pp. 66-70, figs. 1-2.—CHaAeNon, 9th Rept. Quebec Soc.
Protection Plants, suppl. pt. 3, 1917, p. 331.—Turner, Ga. Board Ent.,
Bull. 49, 1918, p. 28, (probably not this species).—WASHBURN, Inj.
Ins., 1918, p. 262-263, fig. 265—Hovusrr, Ohio Agric. Exp. Sta., Bull.
332, 1918, pp. 326-327, pl. 70, fig. 2—Swatne, Canad. Forestry Journ., vol.
14, 1918, pp. 1928-1929, fig—Fernt, N. Y. State Mus., Bull. 200, 1918,
p. 49.—Swaltrng, 11th Rept. Quebec Soc. Protection Plants, 1919, p. 48, pl.
9, fig. 2—Horer, U. S. Dept. Agric., Farmers’ Bull. 1154, 1920, p. 9.—
Hewitt, Rept. Canad. Ent. and Zool. for 1917-18, (1920), p. 15.—
Knut, Ent. News, vol. 31, 1920, p. 10—Frosr and Weiss, Canad. Ent.,

162

BULLETIN 145, UNITED STATES NATIONAL MUSEUM

vol. 52, 1920, pp. 209-210, 247.— Frost, Canad. Ent., vol. 52, 1920, pp. 28,
250.—HOLLISTER, Journ. Econ. Ent., vol. 18, 1920, pp. 145-146.—Korin-
sky, U. 8S. Dept. Agr., Farmers’ Bull. 1169, 1921, pp. 59-61, figs. 38-40.—
GILLETTE, 12th Ann. Rept. State Ent. Colorado for 1920 (1921), p. 23.—
Manevux, 14th Rept. Quebec, Soc. Protection Plants, 1922, p. 66.—
Lorp, Care of Shade Trees, 1922, p. 89.—Gossarp, U. S. Dept. Agric.,
Bull. Ins. Pest Survey, vol. 2, 1922, p. 24—-MurcHLER and WEISss,
N. J. Dept. Agric., Bur. Statistics and Inspection, Cire. 48, 1922, pp.
4-5, fig. 1—IKK Nutr, Canad. Ent., vol. 54, 1922, p. 84.—Hurcuines, 15th
Rept. Quebee Soc. Protection Plants, 1928, p. 89.—Gipson, Rept. Ent.
Canad. for 1919-1920 (1923), p. 18—Purerson, Maine Forest Serv.,
Bull. 1, 1923, p. 51.—Brirron, Conn. Agric. Exp. Sta., Bull. 247, 1923,
pp. 359-361, pl. 14, figs. c, d—Spicrr, Tree Talk, vol. 5, 1923, p. 21, fig. —
FELT, 35th Rept. N. Y. State Ent. for 1921 (1923), pp. 78-79; Man.
Tree and Shrub Ins., 1924, pp. 52-53, figs. 15-16—Brirron, Conn.
Agric. Exp. Sta., Bull. 263, 1924, p. 164—Munpinecrr, N. Y. State College
Forestry, Tech. Pub. 17, pt. 4, 1924, p. 316—CHAMBERLIN, Journ. N. Y.
Ent. Soc., vol. 32, for 1924 (1925), p. 193—Kwnutt, Ohio State Univ.
Studies, vol. 2, no. 2, 1925, p. 45.—Essia, Ins. Western North America,
1926, p. 4083—CHAMBERLIN, Cat. Buprestidae, 1926, pp. 49-50.—Prirr-
son, Journ. Forestry, vol. 25, 1927, pp. 68-72.—Brirron and ZApPpr,
Conn. Agric. Exp. Sta., Bull. 292, 1927, pp. 147-148, fig. 26.

Agrilus bilineatus Morratr (not Weber), 30th Rept. Ent. Soc. Ontario for

1899 (1900), p. 100.

Agrilus torpidus LeConts, Trans. Amer. Ent. Soc., new ser., vol. 11, 1859,

p. 247.—CrotcH, Proc. Acad. Nat. Sci. Phila., vol. 25, 1873, p. 93.—
AuvsTIN, Proc. Boston Soc. Nat. Hist., vol. 16, 1874, p. 269.—HusBarp
and ScHwarz, Proc. Amer. Philos. Soc., vol. 17, 1878, p. 636.—Har-
RINGTON, Canad. Ent., vol. 16, 1884, p. 101; 15th Rept. Ent. Soe. On-
tario for 1884 (1885), p. 31—DLintner, 42d Rept. N. Y. State Mus.,
1889, p. 288.—BLANCHARD, Ent. Amer., vol. 5, 1889, p. 32.—Coox, 29th
Rept. Mich. Board Agric., 1890, pp. 118-119.—Davis, Ins. Life, vol. 4,
1891; p. 66; 22d Rept. Ent. Soc. Ontario for 1891 (1892), p. 81.—
CocKERELL, Trans. Amer. Ent. Soc., vol. 20, 1893, p. 329—HauseEn,
Canad. Record Sci., vol. 5, 1892, p. 52.—CHITTENDEN, U. S. Dept. Agric.,
Div. Ent., Bull. 18, new ser., 1898, p. 49.

Agrilus gravis LeContE, Trans. Amer. Ent. Soc., new ser., vol. 11, 1859, p.

247.—PROVANCHER, Petite Faune Entomologique du Canada, vol. 1,
Les Coleopteres, 1877, pp. 358-359.—CHITTENDEN, U. S. Dept. Agric.
Diy. Ent., Bull. 18, new ser., 1898, p. 49.

Male—F¥orm rather robust, slightly flattened above, and sub-
opaque; head bronzy green in front, becoming brownish on the
occiput; pronotum and elytra olivaceous black, sometimes with a
distinct reddish cupreous tinge, especially on the pronotum; beneath
slightly more greenish and shining than above.

Head with the front rather narrow, nearly flat, about equal in
width at top and bottom, the lateral margins feebly, broadly con-
stricted near the bottom, and arcuately expanded at vertex, and with
a narrow longitudinal groove extending from occiput to middle of
front; surface coarsely, densely punctate, becoming longitudinally

NORTH AMERICAN BUPRESTID BEETLES 163

rugose on the occiput, and rather sparsely clothed with long, re-
cumbent, whitish pubescence on lower half; epistoma slightly trans-
verse between the antennae, and broadly but not deeply, arcuately
emarginate in front; antennae extending slightly beyond middle of
pronotum, serrate from the fourth joint, and the outer joints about as
wide as long; eyes large, strongly elongate, and equally rounded
above and beneath.

Pronotum one-half wider than long, base and apex equal in width,
and widest at middle; sides strongly arcuately rounded from apical
angles to near base, where they are feebly sinuate; when viewed from
the side the marginal and submarginal carinae are rather strongly
sinuate, rather widely separated anteriorly, and connected to each
other at or near the base; anterior margin feebly sinuate, and the
median lobe feebly, broadly rounded; base feebly, broadly emargi-
nate at middle of each elytron, the median lobe broadly rounded, and
subtruncate in front of scutellum; disk moderately convex, a more or
less distinct median depression composed of two parts, on each side
often a round, shallow depression, with broad, moderately deep lat-
eral depressions, and sharply defined, arcuate, prehumeral carinae;
surface obsoletely granulose, densely but not deeply, transversely
rugose, finely, sparsely punctate between the rugae, and sparsely,
uniformly clothed with short, inconspicuous hairs. Scutellum
strongly, transversely carinate, and the surface densely, finely
reticulate.

Elytra slightly wider than pronotum at base, and about equal in
width at base and behind middle; sides parallel for a short distance
behind base, broadly constricted in front of middle, broadly, arcu-
ately expanded behind middle, then obliquely narrowed to the tips,
which are separately, rather acutely rounded, and strongly serrulate;
sides of abdomen narrowly exposed above; disk slightly flattened,
costae vaguely indicated, sutural margins elevated behind middle,
and with broad, deep, basal depressions; surface densely, finely im-
bricate-punctate, and sparsely, uniformly clothed with short, recum-
bent, whitish hairs.

Abdomen beneath finely punctate, denser toward the sides, strongly
rugose on basal segments, and sparsely, uniformly clothed with mod-
erately long, semierect, whitish hairs, first segment broadly, longitu-
dinally concave at middle, and the bottom of the concavity roughly
sculptured; second segment with a smooth, deep groove, wider in
front than behind, and extending from anterior margin to apical
third; last segment transversely truncate or feebly emarginate at
apex; vertical portions of the segments rather densely but not con-
spicuously pubescent; pygidium coarsely punctate, strongly carinate,
the carina strongly projecting, and truncate at apex. Prosternum
densely, finely rugose, densely punctate, and sparsely, uniformly

164 BULLETIN 145, UNITED STATES NATIONAL MUSEUM
.

clothed with moderately long, semierect, whitish hairs; prosternal
lobe broad, rather strongly declivous, and broadly, feebly emarginate
in front; prosternal process broad, the sides parallel to behind the
coxal cavities, then obliquely narrowed to the apex, which is acute.
Tibiae slender, the anterior and middle pairs armed with a very
small tooth on inner margin at apex. Posterior tarsi shorter than
tibiae, and the first joint about as long as the following three joints
united. Tarsal claws dissimilar, anterior and middle ones cleft near
apex, the teeth nearly equal in length, and the inner one not turned
inward; posterior claws cleft near middle, and the inner tooth much
shorter than outer one.

Femaie—Difters from the male in having the front of head more
cupreous, slightly wider, sides more parallel, and the surface less
densely pubescent; first and second abdominal segments convex or
feebly flattened at middle; tibiae unarmed at apex, and the tarsal
claws similar on all feet, cleft near middle, and the inner tooth much
shorter than outer one.

Length, 5.5-13 mm.; width, 1.5-3 mm.

Type locality—Of anxius, North America; present location of
type unknown to writer. Of torpidus, Lake Superior; type in Mu-
seum of Comparative Zodlogy. Of gravis, Lake Superior; type in
Museum of Comparative Zodlogy.

Distribution.—This species has a wide distribution, and will prob-
ably be found wherever its host plants occur, but so far it has not
been reported from the southern part of the United States, except in
the Rocky Mountain region, where its range extends southward to
Arizona and New Mexico. Material has been examined from the
southern part of Canada (Alberta, New Brunswick, Ontario, Quebec,
and British Columbia) and from various localities in the following
States: Arizona, Colorado, Connecticut, Illinois, Indiana, Iowa,
Maine, Massachusetts, Michigan, Minnesota, Montana, New Hamp-
shire, New Jersey, New Mexico, New York, Ohio, Oregon, Pennsy]l-
vania, Rhode Island, South Dakota, Utah, Virginia, West Virginia,
and Wisconsin.

Variations —The species is quite variable in coloration, which varies
from a uniform olivaceous black to bluish gray, with a more or less
cupreous reflection, to those having the pronotum distinctly more
reddish cupreous, and which resembles some forms of arcuatus Say.
The depressions on the pronotum are extremely variable, in some ex-
amples the median depression is entire, whereas in others it is divided
into two parts, and occasionally one of these depressions is only
feebly indicated, and again in some specimens there is a small round
depression on each side of the middle anteriorly, but in others these
depressions are entirely absent. The elytral costae are usually feebly

NORTH AMERICAN BUPRESTID BEETLES 165

indicated but in a few examples they are entirely obliterated, and
rarely there are two vague costae on each elytron. The concavity on
the second abdominal segment of the male is not constant, and it
varies from a narrow, parallel sided groove, to one that is distinctly
wider in front than behind, but in all cases the first segment is
broadly concave, and the bottom roughly sculptured.

Hosts.—This is the most serious pest of the European white birch,
particularly the cut-leaved form, but it also attacks our native birches
and poplars, especially when cultivated for ornamental purposes.
Swaine (1918) reports that about 50 per cent of the white birches
have been badly injured in the Province of Quebec, and in some of
the parks in the United States practically all of the birches have
been killed. It has been reared from yellow birch (Betula lutea
Michaux), black or sweet birch (8. denta Linnaeus), paper birch
(B. papyrifera Marshall), red birch (B. fontinalis Sargent), gray
or white birch (B. populifolia Marsh), European white birch (B.
alba Linnaeus) and its cut-leaf form, aspen (Populus tremuloides
Michaux), large-tooth aspen (P. grandidentata Michaux), cotton-
wood (P. deltoides Marshall), Carolina poplar (P. deltoides pilosa
(Sargent) Sudworth), balsam poplar (P. balsaméfera Linnaeus),
northern black cottonwood (P. trichocarpa hastata Henry), balm-of-
gilead (P. balsamifera candicans (Aiton) Gray). Cook (1890) and
Davis (1891, 1892) record this species as making galls on pussy
willow (Salix discolor Muehlenberg), but the writer has not seen
any specimens from this host. Turner (1918) records it from pecan,
but this record was made without any doubt from an incorrectly
identified specimen.

This species has received considerable attention from the economic
entomologists, due to the great amount of injury caused to orna-
mental birches in the southern part of Canada and northern part
of the United States, and is commonly known as the “ bronze birch
borer.”

Chamberlin (1926) records the species from southern California,
but this is incorrect, as the specimen mentioned in the collection of
the Academy of Natural Sciences of Philadelphia is not this species.

LeConte separated anxius from gravis from the fact that the
groove on the head is deeper and longer, the prehumeral carinae
less distinct, the elytra with a vague discal costa, and the pronotum
more brassy than the elytra, but all of these characters are variable,
and all forms of intermediates can be found in a series of specimens.
Horn (1891, p. 307) states that both torpidus and gravis were de-
scribed by LeConte from females, but on examining the types in the
LeConte collection torpidus (No. 10 in the anawius series) is a male
which agrees with his description of that species and which was

166 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

without any doubt made from a male, as LeConte writes that it
differs from anawius and gravis by the front of the head being
pubescent, which is a male sexual character. Agrilus gravis (No. 8
in the anaius series) is a female of torpidus and agrees with his
description.

52. AGRILUS CAVATUS Chevrolat
Figure 36

Agrilus cavatus CHEVROLAT, Silbermann’s Revue Entomol., vol. 5, 1838, p.
99.—Horn, Ent. Amer., vol. 3, 1887, p. 145—WatrRHoUsSE, Biol. Centr.-
Amer. Coleopt., vol. 3, pt. 1, 1889, p. 69.—Horn, Trans. Amer. Ent. Soc.,
vol. 18, 1891, p. 310.—Dueks, La Naturaleza, ser. 2, vol. 2, 1891, p. 22,
pl. 2, fig. 33.—FaALL, Ent. News, vol. 17, 1906, p. 168.—CHAMBERLIN,
Cat. Buprestidae, 1926, p. 56.

Agrilus tecanus CrorcH, Proc. Acad. Nat. Sci. Phila., vol. 25, 1873, p. 94.

Male—F¥orm elongate, strongly attenuate posteriorly, rather
strongly flattened above, and of a reddish or bronzy cupreous color;
beneath aeneous, becoming more reddish cupreous posteriorly, and
more shining than above.

Head with the front rather narrow, slightly wider at top than
bottom, lateral margins nearly parallel from top to middle, then
obliquely narrowed to the bottom, broadly and very deeply excavated,
forming two large elevations at lower inner margin of eyes, the
excavation broadly rounded, extending to the lateral margins, and
posteriorly to the occiput, with a deep, longitudinal depression ex-
tending from it to the epistoma, and with a deep transverse groove
behind the epistoma; surface very coarsely, sparsely punctate in
front, but the punctures becoming more or less confluent posteriorly,
and clothed with long yellowish hairs in the longitudinal depression
behind the epistoma; epistoma rather narrow between the antennae,
and broadly, deeply, arcuately emarginate in front; antennae extend-
ing to about middle of pronotum, serrate from the fourth joint,
and the outer joints slightly wider than long; eyes large, broadly
oblong, and distinctly more broadly rounded beneath than above.

Pronotum nearly one-half wider than long, about equal in width
at base and apex, and widest near the middle; sides feebly, arcuately
rounded ; when viewed from the side the marginal carina is strongly
sinuate, the submarginal carina nearly straight, the two carinae
rather widely separated anteriorly, and connected to each other
at the base; anterior margin feebly sinuate and the median lobe
scarcely developed; base transversely truncate to middle of each
elytron, then extending obliquely backward to the scutellum, in
front of which it is broadly subtruncate; disk moderately convex,
with a broad, deep median depression, wider behind than in front,
and extending from base to apex, a broad, deep depression on each

NORTH AMERICAN BUPRESTID BEETLES 167

side along the lateral margin at middle, and with an obsolete ele-
vation replacing the prehumeral carina; surface coarsely, densely
rugose, the rugae transverse on disk, but becoming irregularly
placed toward the sides, densely, irregularly punctate between the
rugae, and sparsely clothed with inconspicuous hairs. Scutellum
transversely carinate, and the surface finely reticulate.

Elytra about equal in width to the pronotum at base, and dis-
tinctly wider at base than just behind the middle; sides nearly
parallel for a short distance behind the base, broadly, arcuately
constricted in front of middle, feebly, arcuately expanded behind
the middle, then obliquely narrowed to the tips, which are sepa-
rately, broadly rounded, and coarsely serrulate; sides of abdomen
broadly exposed above; disk feebly flattened, with a vague costa
extending from the humerus to apical third, feebly, longitudinally
depressed on each side of the suture, which is strongly elevated
posteriorly, and with broad, deep basal depressions; surface finely,
densely punctate, smoother on the costae, more. imbricate toward
the sides, sparsely clothed with short, inconspicuous hairs, and each
elytron with an indistinct vitta of sparsely, irregularly placed, yel-
lowish white hairs, extending from humerus to behind the middle,
and with two denser pubescent spots along the suture, one at apical
third, the other midway between it and the apex.

Abdomen beneath rather densely, coarsely punctate, transversely
rugose at sides of the first two segments, sparsely clothed with re-
cumbent, whitish hairs, and with a densely pubescent spot at sides
of third segment; first segment convex at middle, without a median
groove; last segment broadly rounded at apex; vertical portions of
the segments densely clothed with long recumbent, yellowish white
pubescence, except the second, which is nearly glabrous; pygidium
coarsely punctate, strongly carinate, but the carina not projecting.
Prosternum sparsely, coarsely punctate, and sparsely clothed with
rather long, recumbent, whitish hairs; prosternal lobe broad, feebly
declivous, and broadly rounded in front; prosternal process broad,
the sides parallel to behind the coxal cavities, then obliquely nar-
rowed to the apex, which is acute. Tibiae slender, nearly straight,
anterior pair strongly flattened, and the anterior and middle pairs
with a distinct tooth on inner margin at apex. Posterior tarsi dis-
tinctly shorter than the tibiae, and the first joint about as long as
the following three joints united. Tarsal claws dissimilar, anterior
and middle ones cleft near the tip, and the teeth nearly equal in
length, the posterior ones cleft near the middle, the inner tooth
broader and shorter than the outer one, and not turned inward.

Female.—Differs from the male in being slightly less attenuate
posteriorly, front of head wider, antennae slightly shorter, tooth

168 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

on anterior and middle tibiae not so distinct, and the claws similar on
all feet, cleft near the middle, the outer tooth long and acute at apex,
the inner one short and broad.

Length, 8.2-14.5 mm.; width, 2-3.75 mm.

Type localities —Of cavatus, Mexico; present location of type un-
known to writer. Of texanus, Texas; cotypes in the Academy of
Natural Sciences of Philadelphia, and the Museum of Comparative
Zobdlogy at Cambridge, Mass.

DISTRIBUTION

Recorded from the following localities:

Mexico: Northern Sonora (Morrison). Cerro de Plumas; Almolonga; Acapulco
in Guerrero (Hége). Cordova; Vera Cruz (Sallé, Hoge). Jalapa (Hoge).

ARIZONA: Pinal Mountains ( ). Nogales August 31 (C. Schaeffer). “Ari-
zona” (Morrison).

Trxas: New Braunfels (——). Flotonia, July 30 (H. Wenzel). Fedor;
Bethage, May 7 ( ). “Texas” (Belfrage).

Variations——This species is extremely variable in size, and the
color varies from a golden or bronzy green to reddish cupreous. In
carefully collected specimens the elytral vitta extends from the
humerus to apical third, forming at its end a denser spot, on each side
there is a short pubescent vitta opposite the end of the former, and
a short distance in front of the apex is a small pubescent spot. This
vitta is easily lost by abrasion, and in many of the examples ex-
amined, only the basal spot, apical end of the vitta, and the ante-
apical spot are distinct. In most cases the prehumeral carina is
replaced by a slight elevation, but occasionally a specimen is found
in which the carina is obsoletely indicated.

Host—Unknown.

This species is rare in collections and nearly all of the examples
examined are labeled simply, “'Texas, Belfrage,” or “ Arizona, Mor-
rison.” Chamberlin (1926) records it from Florida, but this is an
error and probably refers to conctnnus Horn, a closely allied species.
The sexes are very similar, and the characters given by Horn (1891)
for separating them are of little value. The tarsal claws are not alike
in the two sexes, and both sexes have the anterior and middle tibiae
armed with a small tooth, only the tooth being shorter and less
conspicuous in the female, and the other characters given are more
or less variable.

53. AGRILUS AUREUS Chevrolat

Figure 37

Agrilus aureus CHEVRCLAT, Silbermann’s Revue Entomol., vol. 5, 1838,
pp. 98-99.—WATERHOUSE, Biol. Centr.-Amer., Coleopt., vol. 3, pt. 1, 1889,
p. 103.—Ducés, La Naturaleza, ser. 2, 1891, p. 29, pl. 2, fig. 45—CHAm-
BERLIN, Cat. Buprestidae, 1926, p. 53.

NORTH AMERICAN BUPRESTID BEETLES 169

Agrilus couesii LeContr, Proc. Acad. Nat. Sci. Phila., vol. 18, 1866, p.
384.—CrotcH, Proc. Acad. Nat. Sci. Phila., vol. 25, 1878, p. 94—
LeContn, Proc. Acad. Nat. Sci. Phila., vol. 25, 1873, p. 333—Horn,
Trans. Amer. Ent. Soe., vol. 18, 1891, p. 809, pl. 8, fig. 1—CockERELL,
Journ. N. Y. Ent. Soc., vol. 5, 1897, p. 150; New Mex. Exp. Sta., Bull.
28, 1898, p. 152.—CHITTENDEN, U. S. Dept. Agric., Div. Ent., new ser.,
Bull. 22, 1906, p. 67—Scuanrrer, Brooklyn Inst. Mus., Sci. Bull. vol. 1,
no. 6, 1905, p. 181.—FALL, Ent. News, vol. 17, 1906, p. 168.—FaLt and
CoOKERELL, Trans. Amer. Ent. Soc, vol. 33, 1907, p. 180.—F Rost and
WEIss, Canad. Hnt., vol. 52, 1920, p. 210.

Female—F¥orm elongate, rather slender, and strongly flattened
above; bronzy green, with the median part of pronotum, longi-
tudinal costae, sutural margins, and sutural depression of elytra
posteriorly, more or less brownish or purplish black; beneath bronzy
green, and more shining than above.

Head with the front narrow, slightly wider at top than at bottom,
lateral margins feebly, arcuately expanded at middle, broadly con-
cave, more deeply and broadly depressed at middle of front, an
oblong, irregular elevation on each side of middle behind base, and
a deep transverse groove behind the epistoma extending to the lateral
margins; surface densely and very coarsely punctate on the front,
becoming somewhat rugose on the occiput, and without distinct
pubescence; epistoma slightly transverse between the antennae, and
broadly, deeply, arcuately emarginate in front; antennae short, not
extending to middle cf pronotum, serrate from the fourth joint, and
the outer joints wider than long; eyes large, broadly oblong, and
slightly more broadly rounded beneath than above.

Pronotum one-third wider than long, and about equal in width at
base and apex; sides nearly parallel from base to near apex (slightly
sinuate near base), then arcuately narrowed to the apical angles;
when viewed from the side the marginal carina is strongly arcuate
anteriorly, the submarginal carina nearly straight, obsolete anteriorly,
and connected to the marginal carina near base; anterior margin
strongly sinuate, with the median lobe broadly rounded; base trans-
versely truncate to middle of each elytron, then extending obliquely
backward to the scutellum, in front of which it is broadly truncate ;
disk moderately convex, with a broad, deep median depression ex-
tending from base to apex, a broad, rather deep depression on each
side along lateral margin at middle, and a feebly elevated, straight
prehumeral carina extending from base to basal third; surface
sparsely, coarsely punctate, becoming irregularly, longitudinally
rugose at sides and in median depression, and broadly, densely clothed
at the sides with long, recumbent, whitish pubescence, with a few
hairs of the same color in the median depression. Scutellum not
transversely carinate, but the surface smooth, except at the middle,
where it is densely punctate and slightly depressed.

170 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

Elytra about equal in width to the pronotum at base, and slightly
wider at base than just behind the middle; sides nearly parallel for
a short distance behind the base, feebly, broadly, arcuately constricted
in front of middle, broadly, arcuately expanded behind the middle,
then obliquely narrowed to the tips, which are separately, broadly
rounded, or subtruncate, and coarsely, irregularly-serrulate; sides of
abdomen broadly exposed above; disk slightly flattened, with a dis-
tinct, broad, smooth costa extending from the humeri to near the
apex, the sutural margins distinctly elevated behind the middle, and
with broad, shallow basal depressions; surface densely, finely punctate
(except on the costae), more coarsely toward the sides, and each
elytron ornamented with a broad vitta between the costa and suture,
extending from the basal depression to the apex, and interrupted
twice in the apical region, and composed of densely placed, recumbent
whitish hairs. There is also an obsolete vitta of sparsely, irregularly
placed hairs of the same color toward the lateral margin.

Abdomen beneath rather sparsely, coarsely punctate on the median
part, more densely toward the sides; first and second segments with
a densely pubescent vitta a short distance from the lateral margins,
and extending along the lateral margins of the following segments;
first segment convex at middle, and without a median groove; last
segment broadly rounded at apex; vertical portions of segments
densely clothed with recumbent, whitish pubescence; pygidium
feebly carinate at middle, but the carina not projecting. Prosternum
coarsely and rather densely punctate, the punctures more or less con-
fluent posteriorly, and nearly glabrous; prosternal lobe broad, moder-
ately declivous, and feebly, broadly, arcuately emarginate in front;
prosternal process broad, the sides nearly parallel to behind the coxal
cavities, then broadly rounded to the apex, which is rather obtuse.
Tibiae slender; anterior and middle pairs arcuate, and armed with
a short tooth on inner margin at apex. Posterior tarsi slightly
shorter than the tibiae, and the first joint slightly longer than the
following three joints united. Tarsal claws similar on all feet, cleft
near the middle, the outer tooth long and acute at tip, the inner one
much shorter and broader, and not turned inward.

Length, 10.5 mm.; width, 2.75 mm.

Male.—Differs from the female in having the front of head sparsely
clothed with long, recumbent, whitish hairs, especially behind the
epistoma; prosternum and middle part of body densely clothed with
long, semierect, whitish hairs, and all three pairs of tibiae armed with
a strong tooth on inner margin at apex.

Redescribed from the female type of cowesti (No. 1) in the Museum
of Comparative Zodlogy at Cambridge.

NORTH AMERICAN BUPRESTID BEETLES 171

Type localities —Of aureus, Tuspan, Mexico; present location of
type unknown to writer. Of couesii, Arizona (near Fort Whipple) ;
type in Museum of Comparative Zoology.

DISTRIBUTION

Arizona: Seligman (H. F. Wickham). Near Fort Whipple (Dr. E. Coues).

Mexico: Tuspan, Puebla (Sallé). Guanajuato (Sallé Dugés). Tupataro in
Guanajuato (Hoge).

New Mexico: Santa Fé (A. Fenyes, Cockerell). Jemez Springs (J. Woodgate).
Albuquerque (C. Schaeffer). Fort Wingate, September (Leng Collection).
Jemez Mountains, 7,500 feet (H. Wenzel).

Variations.—This species shows very little variation, but occasion-
ally a specimen is found that is slightly cupreous, and the prehumeral
carina is more or less variable. Length 9 to 11 millimeters.

Host.—The larval habits are unknown, but the adults have been
collected on Mentzelia nuda Gorry and Gray, by T. D. A. Cockerell.

Chamberlin (1926) gives the type locality of couesit as Santa Fé,
New Mexico, but LeConte (1866) described the species from a single
example collected near Fort Whipple, Arizona, by Dr. E. Coues.
Agrilus perlucidus Gory from Mexico was supposed to be the same
as aureus Chevrolat, but it is a valid species and should not be con-
fused with aureus.

54. AGRILUS CONCINNUS Horn
Figure 38

Agrilus concinnus Horn, Trans. Amer. Ent. Soc., vol. 18, 1891, pp. 310-
311.—BLaATCHLEY, Canad. Ent., vol. 52, 1920, p. 262—CHAMBERLIN, Cat.
Buprestidae, 1926, p. 57.

Male.—¥orm large, robust, not strongly attenuate posteriorly, but
rather strongly flattened above; head cupreous, and more or less
bronzy; pronotum cupreous, margined laterally bronzy green, the
median depression black, and on each side of which the surface is
strongly reddish; elytra dull olivaceous bronze or black, with a
bronzy green vitta extending from the humeral angle to apex; be-
neath brownish black, with a more or less olivaceous and aeneous
reflection, and more shining than above.

Head with the front rather wide, top and bottom about equal in
width, lateral margins nearly parallel to each other, a broad, shallow,
longitudinal depression on anterior half, a broad, shallow, triangular
depression slightly above the middle of front, extending to the lat-
eral margins and obliquely backward to the occiput, and in the middle
of which is a narrow, longitudinal groove; surface coarsely, irregu-
larly punctate on the front, becoming strongly rugose on the occiput,
but without conspicuous pubescence; epistoma transverse between

2305—28——12

172 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

the antennae, and broadly, rather deeply, arcuately emarginate in
_ front; antennae extending to about middle of pronotum, serrate from
the fourth joint, and the outer joints wider than long; eyes mod-
erately large, rather broadly oblong, and about equally rounded
beneath and above.

Pronotum one-third wider than long, wider at base than apex, and
widest at apical third; sides feebly, obliquely expanded from base
to apical third, then arcuately narrowed to the apical angles; when
viewed from the side the marginal carina is feebly sinuate, the sub-
marginal carina obsolete anteriorly, narrowly separated from the
marginal carina, and connected to it at the base; anterior margin
strongly emarginate, with the median lobe feebly, broadly rounded ;
base transversely truncate to middle of each elytron, then extending
obliquely backward to the scutellum, in front of which it is broadly
subtruncate ; disk moderately convex, with a deep median depression,
wider behind than in front, and extending from base to apex, a
rather shallow, broad depression on each side along lateral margin
at middle, a round, deep, pitlike puncture on each side along base
near posterior angles, and without prehumeral carinae; surface
densely, transversely rugose, densely, coarsely punctate between the
rugae, the punctures becoming much finer at the sides, where the
surface is densely clothed with recumbent, yellowish pubescence.
Scutellum not transversely carinate, but the surface, finely, obsoletely
reticulate.

Elytra slightly wider than pronotum at base, and slightly wider
at base than just behind the middle; sides feebly, arcuately rounded
for a short distance behind the base, broadly, arcuately constricted
in front of middle, broadly expanded behind the middle, then arcu-
ately narrowed to the tips, which are separately, rather broadly
rounded, and minutely serrulate; sides of abdomen broadly exposed
above; disk feebly flattened, vaguely, longitudinally depressed on
each side of the suture, which is elevated posteriorly, and with broad,
shallow basal depressions; surface densely, finely imbricate-punctate,
the punctures becoming finer and more confluent toward the apex,
and without distinct pubescence.

Abdomen beneath finely, densely punctate, transversely rugose
on basal segment, sparsely clothed with very short, indistinct hairs,
with a few long yellow hairs at apex; first segment convex at middle,
without a median groove; last segment broadly rounded or sub-
truncate at apex, with a deep, marginal groove, which is not inter-
rupted at apex; vertical portions of segments densely clothed with
long, recumbent, yellowish pubescence; pygidium not carinate.
Prosternum coarsely, confluently punctate, and without distinct
pubescence; prosternal lobe broad, strongly declivous, with a deep,
transverse groove behind, and rather deeply, arcuately emarginate

NORTH AMERICAN BUPRESTID BEETLES 173

in front; prosternal process broad, the sides nearly parallel to behind
the coxal cavities, then obliquely narrowed to the apex, which is rather
acute. Tibiae slender, nearly straight; anterior and middle pairs
with a distinct tooth at apex, and the posterior pair feebly flattened.
Posterior tarsi slightly shorter than the tibiae, and the first joint
about as long as the following three joints united. Tarsal claws
similar on all feet, cleft near the middle, the outer tooth long and
acute at tip, the inner one much shorter and broader, and not turned
inward.

Length, 18 mm.; width, 3.5 mm.

Female.—Differs from the male in being slightly more robust; eyes
more narrowly oblong; last abdominal segment with a more or less
triangular smooth space at apex, sometimes interrupting the marginal
groove, the posterior tibiae more broadly flattened and abruptly
narrowed near apex, and none of the tibiae armed with a distinct
tooth at apex.

Redescribed from the male and female cotypes (No. 3482) in the
Academy of Natural Sciences of Philadelphia.

Type locality —F lorida.

DISTRIBUTION
Material examined:

ARKANSAS: No definite locality (H. Soltau collection).
FLormwa: Jacksonville, May. Dunedin, April 11 (Blatchley).

Also recorded from:

GroreIA: No definite locality.
TrexAS: Brownsville, June (Schaeffer collection).

Variations—Very few specimens have been seen, and no variation
worthy of mention has been observed.

Host.—The larval habits are unknown, but an adult has been swept
from low huckleberry bushes by W. S. Blatchley.

Nearly all of the specimens examined are from Florida, and the
specimen labeled “Ark.” in the United States National Museum may
be erroneously labeled. Horn (1891) in his original description gives
Georgia, but I was unable to find any specimens from that locality
in either the Horn or LeConte collections. Chamberlin (1926) re-
cords it from Texas, but the specimen has not been examined by the
writer.

55. AGRILUS RESTRICTUS Waterhouse
Figure 40

Agrilus restrictus WATERHOUSE, Biol. Centr.-Amer., Coleop., vol. 3, pt. 1,
1889, p. 119, pl. 7, figs. 7, 7a —FIsHER and Nicotay, Ent. News, vol, 31,
1920, pp. 100-102.—Niconay, Journ. N. Y. Ent. Soc, vol. 29, 1921,
p. 175.—CHAMBERLIN, Cat. Buprestidae, 1926, p. 79.

174 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

Male.—Form elongate, rather slender, and moderately flattened
above; head, pronotum, and beneath bronzy green; elytra blackish,
with a distinct purplish tinge.

Head with the front rather narrow, about equal in width at top
and bottom, the lateral margins nearly parallel to each other, and
with a broad, deep depression extending from the occiput to
epistoma, the depression becoming triangular behind the epistoma;
surface somewhat rugose, densely, coarsely punctate, the punctures
more or less confluent, and sparsely clothed with semierect, incon-
spicuous hairs; epistoma not transverse between the antennae, and
very broadly, deeply, arcuately emarginate in front; antennae
extending to middle of pronotum, serrate from the fourth joint, and
the outer joints about as wide as long; eyes moderately large, broadly
oblong, and about equally rounded above and beneath.

Pronotum nearly one-half wider than long, equal in width at base
and apex, and widest near the middle; sides slightly arcuately
rounded; when viewed from the side the marginal and submarginal
carinae are feebly sinuate, narrowly separated anteriorly, and con-
nected to each other near the base; anterior margin strongly sinuate,
and the median lobe strongly rounded; base transversely truncate to
middle of each elytron, with the median lobe feebly produced and
broadly rounded; disk moderately convex, with a broad, deep median
depression extending from near anterior margin to base, and consider-
ably broader behind than in front, a broad, deep depression on each
side extending from the lateral margin at apical third obliquely back-
ward tothe middle, without prehumeral carinae, which are replaced at
the posterior angles by a round swelling, with a round fovea behind it
close to the base; surface irregularly rugose, and rather coarsely,
irregularly punctate between the rugae. Scutellum not transversely
carinate, but the surface deeply impressed at the middle, and finely
reticulate.

Elytra about as wide as pronotum at base, and slightly wider at
base than behind the middle; sides nearly parallel for a short dis-
tance behind base, feebly, broadly constricted in front of middle,
feebly, broadly expanded behind the middle, then obliquely narrowed
to the tips, which are separately, rather narrowly rounded, and finely
serrulate; sides of abdomen narrowly exposed above; disk slightly
flattened, with a vague costa extending from the humerus to near
apex, feebly, longitudinally depressed on each side of the suture,
which is strongly elevated posteriorly, and with broad, moderately
deep basal depressions; surface rather finely, densely imbricate-
punctate, and without distinct pubescence.

NORTH AMERICAN BUPRESTID BEETLES 175

Abdomen beneath finely, sparsely punctate at the middle, becoming
densely punctate and transversely rugose at the sides, and sparsely
clothed with short, inconspicuous hairs; first segment convex at mid-
dle, and without a median groove; last segment broadly rounded at
apex; vertical portions of the segments sparsely but not conspicu-
ously clothed with long, whitish hairs; pygidium longitudinally cari-
nate anteriorly, but the carina not projecting. Prosternum sparsely,
coarsely punctate, and sparsely clothed with very short, inconspicuous
hairs; prosternal lobe broad, strongly declivous, and broadly, deeply,
arcuately emarginate in front; prosternal process broad, the sides
parallel to behind the coxal cavities, then obliquely narrowed to the
apex, which is rounded. Tibiae slender, the anterior and middle
pairs feebly arcuate, and armed with a short tooth on the inner mar-
gin at apex. Posterior tarsi distinctly shorter than tibiae, and the
first joint as long as the following three joints united. Tarsal claws
similar on all feet, cleft near the middle, the inner tooth broader and
shorter than the outer one, and not turned inward.

Length, 8.5 mm.; width, 2.25 mm.

Female.—Differs from the male as follows: More robust, head,
pronotum, and beneath cyaneous, elytra reddish cupreous, antennae
shorter, extending slightly beyond anterior margin of pronotum, and
the outer joints wider than long, eyes more elongate, abdomen more
broadly exposed above, and the tibiae unarmed at apex.

Length, 10 mm.; width, 2.75 mm.

Redescribed from a pair taken in coitu in the Huachuca Mountains,
Ariz., August 2, 1905, and in the collection of Alan S. Nicolay.

Type localityi—Pinos Altos, State of Chihuahua, Mexico.

DISTRIBUTION

ARIZONA: Huachuca Mountains, August 2, 1905 (Nicolay collection), Carr Can-
yon, Conchise County, Huachuca Mountains, August 1905 (H. Skinner).
Mexico: Type locality.

Variations ——No variation was observed in the three examples (two
males and one female) examined. The male specimen in the Nicolay
collection is abnormal, and has joints six and seven of both antennae
connate.

Host—Unknown.

This species is remarkable for its sexual color dimorphism, which,
so far as known, is only found in one other North American species
(walsinghami Crotch). The species is allied to concinnus Horn, but
can be easily separated from that species by the different coloration
of the sexes, sides of the pronotum not pubescent, and by numerous
other characters.

176 BULLETIN 145, UNITED STATES NATIONAL MUSEUM
56. AGRILUS WALSINGHAMI Crotch

Figure 39

Agrilus walsinghami CrotcH, Proce. Acad. Nat. Sci. Phila., vol. 25, 1878,
pp. 95-96.—HorNn, Trans. Amer. Ent. Soc., vol. 18, 1891, pp. 311-812,
pl. 8, figs. 6, 20; Hnt. News, vol. 2, 1891, p. 147; Proc. Calif. Acad.
Sci. ser. 2, vol. 4, 1894, p. 379.—F att, Calif. Acad. Sci., Occasional
Papers, no. 8, 1901, p. 120; Canad. Ent., vol. 37, 1905, p. 271; Hnt.
News, vol. 17, 1906, p. 168—Fatt and CocKkErRELL, Trans. Amer. Ent.
Soe., vol. 38, 1907, p. 180—WoopwortH, Guide to California Insects,
1918, p. 195.—CHAMBERLIN, Ent. News, vol. 28, 1917, p. 169.—VaNn
Dyke, Ann. Ent. Soc. Amer., vol. 12, 1919, p. 10—CHAMBERLIN, Journ.
N. Y. Ent. Soe., vol. 32, for 1924 (1925), p. 194; Cat. Buprestidae,
1926, p. 86.

Male—Form moderately elongate, subcylindrical, not strongly
narrowed posteriorly, feebly flattened above, and feebly shining;
head and pronotum bronzy brown, with a feeble cupreous reflect-
tion; elytra aeneous, slightly purplish, and more cupreous near
base; beneath brownish black anteriorly, strongly bronzy green on
abdomen, and the legs more or less cupreous.

Head with the front rather wide, distinctly wider at top than at
bottom, the lateral margins obliquely expanded from bottom to
top, and with a deep, triangular depression on the front with its
base along the epistoma, and a narrow, longitudinal groove extend-
ing from the depression to occiput; surface coarsely, densely punc-
tate, the punctures more or less confluent, and sparsely clothed with
long, recumbent, yellowish white hairs; epistoma not transverse be-
tween the antennae, strongly elevated, and broadly, deeply, arcuately
emarginate in front; antennae not extending to middle of pronotum,
serrate from the fourth joint, and the outer joints about as wide as
long; eyes moderately large, broadly oblong, and slightly more
broadly rounded beneath than above.

Pronotum one-third wider than long, about equal in width at
base and apex, and widest at middle; sides feebly, arcuately rounded
from apical angles to base; when viewed from the side the marginal
and submarginal carinae are feebly sinuate, not sharply defined,
widely separated anteriorly, and connected to each other near the
base, where they are more or less obliterated; anterior margin feebly
sinuate, and the median lobe scarcely indicated; base strongly,
angularly emarginate at middle of each elytron, and the median
lobe broadly rounded in front of scutellum; disk rather strongly
convex, with a broad, vague median depression extending from base
to apex, a broad, shallow, oblique depression on each side along
lateral margin at middle, and with a broadly rounded elevation re-
placing the prehumeral carina; surface coarsely, densely punctate,
the punctures more widely and irregularly separated on each side of

NORTH AMERICAN BUPRESTID BEETLES 177

the median depression, and sparsely clothed with short, recumbent,
whitish hairs, which are denser and longer in the median and lateral
depressions. Scutellum not distinctly carinate, but the surface
finely, densely reticulate.

Elytra about equal in width to pronotum at base, and distinctly
wider at base than just behind the middle; sides slightly expanded
for a short distance behind base, feebly narrowed to behind the
middle, where they are obsoletely, arcuately expanded, then arcu-
ately narrowed to the tips, which are separately, narrowly rounded,
and feebly serrulate; sides of abdomen broadly exposed above; disk
feebly flattened, with broad deep basal depressions, and each elytron
with three fine, irregular, vague costae extending to near the apex,
one along the suture, and two on disk; surface densely, finely imbri-
cate-punctate, sparsely clothed with short, inconspicuous hairs,
and each elytron ornamented with feebly indicated, white pubescent
spots as follows: One in basal depression, one in front of middle
between the two discal costae, one at the middle between costa and
lateral margin, and one at apical fourth near the sutural margin.

Abdomen beneath coarsely punctate, the punctures sparse on
median parts, but more or less confluent and transversely rugose on
basal segments, and segments two to five with a large whitish pube-
scent spot at sides, placed transversely along anterior margin of
seoments; first segment strongly convex, and without a median de-
pression; last segment broadly rounded at apex; suture between first
and second segments distinct at the side; vertical portions of segments
with a spot of long, dense, whitish pubescence; pygidium coarsely
punctate, strongly carinate, but the carina not projecting. Pro-
sternum coarsely, sparsely punctate, and very sparsely clothed with
long, semierect, whitish hairs; prosternal lobe broad, strongly decli-
vous, and broadly, deeply, arcuately emarginate in front; prosternal
process broad, and the sides parallel to near the apex, which is
broadly rounded. Tibiae slender, the anterior and middle pairs
slightly arcuate, and all pairs armed with a distinct tooth on inner
margin at apex. Posterior tarsi sightly shorter than tibiae, and the
first joint about as long as the following three joints united. Tarsal
claws similar on all feet, cleft near the middle, the inner tooth
broad, shorter than outer one, and not turned inward.

Length, 12 mm.; width, 3 mm.

Female —Differs from the male in being larger and more robust,
uniformly greenish blue above; front of head broader; eyes more
broadly oblong; costae and pubescent spots on elytra more distinct;
tibiae with a shorter tooth at apex, and the tarsal claws more
feebly cleft.

Length, 13 mm.; width, 3 mm.

178 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

Redescribed from the male and female cotypes in the LeConte
collection in the Museum of Comparative Zodlogy.
Type localities —Oregon (LeConte collection) ; California (Horn
collection).
DISTRIBUTION

Material examined:

ARIZONA: Winslow, July 18 (H. F. Wickham). Huachuca Mountains, July 28
(J. S. Hine).

BRITISH COLUMBIA: Osoyoos Valley, August 12 (E. Hearle). ‘

CALIFORNIA: Yreka ( ). Independence, July 17 (H. F. Wickham). Siski-
you and Inyo Counties (EH. Van Dyke). No definite locality, cotypes
(Horn).

IpAHO: Boise City (L. Bruner).

Nevapa: Carson City, July 30 (H. F. Wickham).

New Mexico: Jemez Springs, August 6 (J. Woodgate). Luna (H. F. Wickham).
‘Santa Fe, August; Tseque (A. Fenyes).

OREGON: Josephine County ( ). No definite locality, cotype (Walsingham).

UTAH: Vineyard, August 29 (Tom Spalding) St. George, July (H. F. Wickham).

It is also recorded by Horn (1891) from Texas in the Seeber collection (prob-
ably incorrectly labeled).

Variations.—This species shows a remarkable sexual color dimor-
phism which has been overlooked by all the older writers. The
median depression on the pronotum is sometimes nearly obliterated,
and is never very deep-as in cavatus, and the lateral depressions are
sometimes feebly impressed from near the apical angles to the base
on the inner side of the prehumeral elevation. In some examples
the tips of the elytra are more acutely rounded than in others, and
the pubescent spots are more or less abraded. Length 9 to 13
millimeters.

Host.—Unknown.

Crotch states in the original description that the scutellum is
carinate, but I have not seen any examples in which the scutellum
could be considered as carinate. Horn (1891) writes that the tibiae
of the females are unarmed at the apex, but in reality they have a
very minute tooth at the apex, which varies more or less in length.
Chamberlin (1917) gives the type locality as Yreka, Calif., but
the male and female cotypes No. 5080 in the LeConte collection are
simply labeled “ Or.” and the male cotype No. 2714 in the Horn col-
lection is labeled “ Cal.,” so there seems to be no definite type locality.

57. AGRILUS INHABILIS Kerremans

Agrilws ineptus Horn, Proc. Calif. Acad. Sci., ser. 2, vol. 4, 1894, pp. 378-
379 (name preoccupied).—ScHAEFFER, Journ. N. Y. Ent. Soc., vol. 12.
1904, p. 211.

Agrilus inhabilis KerreMans, Ann. Soc. Ent. Belgique, vol. 44, 1900, p. 341.—
CHAMBERLIN, Cat. Buprestidae, 1926, p. 66.

NORTH AMERICAN BUPRESTID BEETLES 179

Female——Form similar to pulchellus, feebly shining, bluish green,
with a more or less violaceous reflection in certain lights; beneath
bluish green, becoming more violaceous blue on the abdomen.

Head with the front not very wide, about equal in width at top
and bottom, lateral margins very feebly, arcuately expanded near
bottom, mouth inferior, and with a broad, deep depression extending
from vertex to epistoma; surface rather densely, coarsely rugose,
the rugae more or less irregularly placed, coarsely punctate be-
tween the rugae, and with a spot of long, whitish pubescence
behind the epistoma; epistoma very narrow between the antennae
und broadly but not deeply, arcuately emarginate in front, the ex-
terior angles rectangular; antennae short, compact, extending
scarcely beyond anterior margin of pronotum, serrate from the
fourth joint, and the outer joints much wider than long; eyes large,
and equally rounded above and beneath.

Pronotum slightly wider than long, narrower at apex than at base,
and widest along basal half; sides arcuately expanded from apical
angles to middle, then parallel or feebly sinuate to the posterior
angles, which are rather acute and feebly projecting; when viewed
from the side the marginal carina is sharply defined and straight,
the submarginal carina feebly arcuate, and becoming obsolete near
the base, the two carinae rather widely separated and nearly parallel
to each other anteriorly; anterior margin feebly sinuate, with the
median lobe feebly, broadly rounded; base feebly, broadly, arcuately
emgarinate at middle of each elytron, the median lobe broadly
rounded, and truncate in front of scutellum; disk moderately convex,
with two shallow median depressions, a very broad, irregular, shallow
depression on each side along lateral margin, with four deep, round,
pitlike punctures along base, two in front of scutellum, and one on
each side near the elytral lobe, and with a rather long, obtuse, feebly
indicated elevation in place of the prehumeral carina; surface
coarsely, deeply, densely rugose, the rugae more or less transverse on
the disk, becoming irregular toward the sides, and with numerous
punctures between the rugae. Scutellum not transversely carinate,
but the surface more or less irregularly rugose.

Elytra scarcely as wide as pronotum at base, and wider at base
than behind middle; sides nearly parallel for a short distance behind
the base, broadly, arcuately constricted in front of middle, broadly,
arcuately expanded behind the middle, then arcuately narrowed to
the tips, which are separately, narrowly rounded, and finely serrulate ;
sides of abdomen very broadly exposed above; disk feebly flattened,
without longitudinal costae, the sutural margins scarcely elevated
posteriorly, but with broad, deep basal depressions; surface rather
finely, densely imbricate-punctate, becoming feebly, transversely
rugose in the humeral regions.

180 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

Abdomen beneath obsoletely granulose, finely, rather densely punc-
tate, the punctures connected transversely by sinuate lines, which are
coarser on the basal segments, sparsely clothed with short, recumbent,
inconspicuous hairs, and with a small spot of long, dense, recumbent
hairs at the sides of the anterior margin of the segments; first and
second segments convex at middle, and the suture between the two
segments plainly visible at the sides; last segment broadly rounded
at apex; vertical portions of the segments not conspicuously pubes-
cent; pygidium sparsely, coarsely punctate, with a strongly elevated
carina, which is not distinctly projecting. Prosternum densely gran-
ulose, sparsely, coarsely punctate, feebly rugose, and sparsely clothed
with long, semierect, white hairs; prosternal lobe broad, rather
strongly declivous, and broadly transversely truncate in front; pro-
sternal process board, the sides feebly expanded behind the coxal
cavities, then strongly narrowed to the apex, which is acute. Tibiae
slender and unarmed at apex. Posterior tarsi much shorter than
tibiae, and the first joint about as long as the following two joints
united. ‘Tarsal claws similar on all feet, cleft near the middle, the
inner tooth slightly shorter than outer one, and feebly turned inward.

Length, 9.5 mm.; width, 2.5 mm.

Male——Unknown.

Redescribed from the lectotype No. 3483 in the Philadelphia Acad-
emy of Natural Sciences.

Type locality—* Lower California (Coral de Piedra, Sierra El
Taste, and Pescadero.)”

Host—Unknown.

According to the localities given in the original description, Horn
had at least three specimens before him when he described this
species, all of which were from the cape region of Lower California.
The writer has only seen one example of this species, and that is the
specimen labeled “ lectotype 3483” in the Horn collection, but that
specimen is simply labeled with a round orange disk, and without
any locality label.

This species is very closely allied to pulchellus Bland in structural
characters, and in case the genus Hngyaulus is separated from
Agrilus, inhabilis should be placed in the former genus. It can,
however, be easily separated from pulchellus by having the elytra of
a uniformly bluish-green color, and without the pubescent vittae.

58. AGRILUS SNOWI Fall

Agrilus snowi Fay, Canad. Ent., vol. 87, 1905, pp. 270-271—-CHAMBERLIN, Cat.
Buprestidae, 1926, p. 82.

Male.—¥orm rather short, very robust, slightly convex above, and
feebly shining; head and pronotum black, with a vague aeneous or

NORTH AMERICAN BUPRESTID BEETLES 181

greenish tinge; elytra black, with a feeble bluish or purplish reflec-
tion in certain lights; beneath black, with a distinct aeneous tinge.

Head with the front wide, nearly flat, wider at top than bottom,
the lateral margins feebly, obliquely expanded from bottom to top,
and with a vague, longitudinal, concave depression on the front and
vertex; surface finely granulose, coarsely, densely punctate, and
densely clothed with long, recumbent, white hairs; epistoma trans-
verse between the antennal cavities, not elevated, and broadly,
deeply, arcuately emarginate in front; antennae extending slightly
beyond anterior margin ef pronotum, serrate from the fourth joint,
and the outer joints slightly wider than long; eyes large, rather
broadly oblong, and about equally rounded above and beneath.

Pronotum nearly one-half wider than long, narrower at apex than
base, and widest at basal third; sides feebly obliquely expanded
from posterior angles to basal third, then obliquely narrowed to the
apical angles; when viewed from the side the marginal and sub-
marginal carinae are nearly straight, and rather broadly, equally
separated for their entire length; anterior margin slightly sinuate,
and the median lobe broadly, vaguely rounded; base deeply, abruptly
emarginate at middle of each elytron, the median lobe broadly
rounded, and truncate or feebly emarginate in front of scutellum;
disk strongly, uniformly convex, without depressions, but with long,
rather distinct prehumeral carinae; surface densely, finely granu-
lose, finely, sparsely punctate, vaguely, transversely rugose at mid-
die, becoming more strongly, obliquely rugose toward the sides, and
rather densely clothed with long, recumbent, white hairs. Scutel-
Jum not transversely carinate, but the surface finely, densely
reticulate.

Elytra about as wide as pronotum at base, and slightly wider at
base than behind middle; sides nearly parallel for a short distance
behind base, broadly, arcuately constricted at middle, strongly,
broadly expanded behind the middle, then arcuately narrowed to
the tips, which are separately, narrowly rounded, and finely serru-
late; sides of abdomen very broadly exposed above; disk evenly con-
vex, without any indications of costa, but with broad, moderately
deep basal depressions; surface rather coarsely, densely imbricate-
punctate, and sparsely, uniformly clothed with short, recumbent,
white hairs.

Abdomen beneath finely, densely granulose, finely, densely punctate,
and densely clothed with long, recumbent white hairs and efflores-
cence, nearly concealing the surface; first segment slightly flattened at
middle; last segment broadly rounded at apex, and the margin feebly
serrate; suture between first and second segments visible from side
to side; lateral margin of first segment abruptly interrupted pos-

182 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

teriorly, and not continuing on the same line with the lateral margin
of the second segment; vertical portions of segments densely clothed
with long, recumbent, white hairs and efflorescence; pygidium with-
out a projecting carina. Prosternum rather coarsely rugose, and
densely clothed with long, recumbent, white pubescence and efflores-
cence; prosternal lobe broad, strongly declivous, and feebly, arcu-
ately rounded or subtruncate in front; prosternal process broad, the
sides nearly parallel to behind the coxal cavities, then broadly
rounded to the apex. Tuibiae slender, anterior pair feebly arcuate,
and the anterior and middle pairs armed with a short, thick tooth
on inner margin at apex. Posterior tarsi shorter than tibiae and
the first joint as long as the following two joints united. Tarsal
claws nearly similar on all feet, cleft near the tip, the inner tooth
shghtly shorter than outer one, and not turned inward. Genitalia
not examined.

Length, 9.5 mm.; width, 3 mm.

Female-——Similar to the male, but is slightly more robust; pros-
ternum sparsely clothed with long, recumbent, whitish pubescence;
abdomen more broadly exposed above; anterior and middle tibiae
armed with a very short tooth at apex, and the tarsal claws cleft
closer to the middle than in the male.

Length, 10.25 mm.; width, 4 mm.

Redescribed from the male holotype in the Snow collection in
the University of Kansas.

Type locality —Bill Williams Fork, Ariz.

DISTRIBUTION
Material examined:

ArRIzONA: Bill Williams Fork (F. H. Snow). Tempe, October 18, 1911 (BH. G.
Smyth).

Variation.—No variation worthy of note has been observed in the
few specimens examined.

Host—Unknown.

This is one of the most robust species of this genus, and in this
respect resembles some of the Acmaeodera, and seems to be very
rare. Only three examples have been seen by the writer, the holotype
in the University of Kansas collection and two females from Tempe,
Ariz., in the collections of F. H. Fall and Warren Knaus.

59. AGRILUS COSTIPENNIS, new species
Figure 41

Male—F¥orm resembling that of walsinghami Crotch, and uni-
formly bronzy brown, with a more or less cupreous tinge.

NORTH AMERICAN BUPRESTID BEETLES 183

Head with the front rather wide, feebly convex, lateral margins
nearly parallel from top to bottom, broadly, but not deeply concave
in front, and with a feeble narrow, longitudinal groove on the
occiput; surface coarsely, densely, punctate, somewhat rugose, and
rather densely, uniformly clothed with moderately long, semierect,
whitish hairs; epistoma slightly transverse between the antennae, and
broadly, deeply, arcuately emarginate in front; antennae extending
nearly to middle of pronotum, serrate from the fourth joint, and
the outer joints slightly longer than wide; eyes large, broadly
oblong, and about equally rounded above and beneath.

Pronotum nearly one-third wider than long, about equal in width
at base and apical third, and the apex slightly narrower than base;
sides arcuately expanded from apical angles to apical third, then
nearly parallel or feebly sinuate to the posterior angles, which are
acute, and projecting slightly outward; when viewed from the side
the marginal carina is strongly sinuate, and bent downward near
the base, the submarginal carina straight, the two carinae widely
separated anteriorly, and connected to each other at the base; anterior
margin feebly sinuate, and the median lobe scarcély developed; base
feebly, arcuately emarginate from the posterior angles to scutellum,
in front of which it is broadly subtruncate; disk moderately convex,
with a broad, shallow median depression, which is indistinct ante-
riorly, but more deeply depressed in front of the scutellum, a
rather deep, oblique depression on each side along lateral margin
at middle, and with a broad elevation replacing the prehumeral
carnia; surface coarsely, but not very closely punctate on median
part, becoming rugose toward the sides,and rather densely, uniformly
clothed with rather long, semierect, whitish hairs. Scutellum not
transversely carinate, but the surface finely, densely reticulate.

Elytra about equal in width to the pronotum at base, and slightly
wider at base than just behind the middle; sides slightly, arcuately
expanded behind the base, broadly, arcuately constricted in front
of middle, feebly expanded behind the middie, then arcuately nar-
rowed to the tips, which are separately, narrowly rounded, and
minutely, serrulate; sides of abdomen narrowly exposed above;
disk slightly convex, basal depressions broad and shallow, and each
elytron with three fine, irregular, vague costae extending from near
base to behind the middle, one along the suture and two on the
disk; surface finely, densely punctate, more or less imbricate, and
rather densely, uniformly clothed with short, recumbent, whitish
hairs, except on the costae.

Abdomen beneath rather densely, finely punctate, the punctures
more distant at the middle, somewhat transversely rugose on basal
segment, and rather densely clothed with short, recumbent, white

184. BULLETIN 145, UNITED STATES NATIONAL MUSEUM

hairs; first segment strongly convex, without a median groove;
last segment broadly rounded and strongly serrulate at apex; suture
between first and second segments distinctly indicated at the sides;
vertical portions of the segments with slightly denser whitish
pubescence; pygidium coarsely, sparsely punctate, and feebly cari-
nate, but the carina not projecting. Prosternum coarsely, densely,
punctate, sparsely clothed with long, semierect, whitish hairs, and
with a feeble, longitudinal depression at middle; prosternal lobe
broad, strongly declivous, broadly, arcuately emarginate in front,
and forming a rounded lobe on each side of the emargination;
prosternal process broad, the sides parallel to behind the coxal
cavities, then broadly rounded to the apex, which is acute. Tibiae
slender, the anterior pair slightly arcuate, and the anterior and
middle pairs armed with a short tooth on the inner margin at apex.
Posterior tarsi sightly shorter than the tibiae, and the first joint
about as long as the following two joints united. Tarsal claws
similar on all feet, cleft near the middle, the inner tooth broad,
shorter than the outer one, and not turned inward.

Length, 8.25 mm.; width, 2.4 mm.

Female—Unknown.

Type locality—Pasadena, Calif.

Other localities——Los Angeles, Calif.

Type—Cat. No. 40999, U.S.N.M.

Paratype.—In collection of J. N. Knull.

Described from two males, the type collected at the type locality,
July 27, 1901, by C. H. Merriam, and the paratype labeled “ Los
Angeles, Calif.”

This species is allied to walsinghamé Crotch, but it can be at
once separated from that species by the coloration and absence
of pubescent spots on the elytra.

60. AGRILUS BABOQUIVARIAE, new species
Figure 42

Male.—Form similar to that of costipennis Fisher, and uniformly
bronzy brown, with a more or less cupreous tinge.

Head with the front rather wide, feebly convex, the lateral margins
nearly parallel to each other, broadly, but not deeply, concave in
front, and with a feeble, narrow, longitudinal groove on the occiput;
surface coarsely, sparsely punctate, coarsely rugose, and sparsely
clothed with long, recumbent, white hairs; epistoma about as wide as:
long, and broadly, deeply, arcuately emarginate in front; antennae
extending nearly to middle of pronotum, serrate from the fourth:
joint, and the outer joints slightly longer than wide; eyes large,
broadly oblong, and about equally rounded above and beneath.

NORTH AMERICAN BUPRESTID BEETLES 185

Pronotum as long as wide, slightly narrower at base than apex,
and widest near apical angles; sides feebly obliquely narrowed from
apical angles to near the base, where they are vaguely sinuate; pos-
terior angles rectangular; when viewed from the side the marginal
carina is feebly sinuate, the submarginal carina nearly straight, and
the two carinae narrowly separated for their entire length; anterior
margin strongly sinuate, with the median lobe strongly, broadly
rounded; base feebly emarginate at middle of each elytron, with the
median lobe broadly rounded and subtruncate in front of scutellum;
disk moderately convex, with a broad, shallow median depression
extending from the anterior margin to base, a broad, shallow depres-
sion on each side, extending obliquely backward from the lateral
margin at middle to the base, and with a broad elevation replacing
the prehumeral carina; surface coarsely, sparsely punctate, more or
less rugose toward the sides, and rather densely, uniformly clothed
with long, recumbent, white hairs. Scutellum not transversely
carinate, but the surface finely, vaguely reticulate.

Elytra about as wide as pronotum at base, and equal in width at
base and behind middle; sides nearly parallel to apical third (very
broadly, feebly constricted in front of middle), then obliquely nar-
rowed to the tips, which are separately, rather narrowly rounded,
and feebly serrulate; sides of abdomen narrowly exposed above;
disk slightly convex, the basal depressions broad and shallow, sutural
margins slightly elevated posteriorly, and each elytron with three
smooth vague costae, extending from base to behind the middle, one
along the sutural margin, and two on the disk; surface rather coarsely
imbricate-punctate, slightly rugose near base, and rather densely,
uniformly clothed (except on costae) with short, recumbent, white
hairs.

Abdomen beneath sparsely, finely punctate at middle, punctures
denser toward sides where the surface is transversely rugose, and
rather densely clothed with moderately long, recumbent, white hairs;
first segment strongly convex and without a median groove; last
segment broadly rounded and strongly serrulate at apex; vertical
portions of the segments not conspicuously pubescent; suture between
first and second segments distinctly indicated at the sides; pygidium
distinctly longitudinally carinate, but the carina not projecting.
Prosternum sparsely, finely punctate, and densely clothed with long.
fine, erect hairs; prosternal lobe broad, strongly declivous, broadly
and rather deeply, arcuately emarginate in front, and forming a
rounded lobe on each side of the emargination; prosternal process
broad, slightly concave, and the sides parallel to behind the coxal
cavities, then abruptly narrowed to the apex, which is rather acute.
Tibiae slender, the anterior pair slightly arcuate, and the anterior

186 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

and middle pairs armed with a short tooth on the inner margin at
apex. Posterior tarsi as long as the tibiae, and the first joint equal
in length to the following joints united. Tarsal claws nearly similar
on all feet, cleft near the middle (the anterior pair slightly closer to
apex), the inner tooth broader and slightly shorter than outer one,
and not turned inward.

Length, 7.75 mm.; width, 1.75 mm.

Female—Differs from the male in being more robust and the
abdomen more broadly exposed above; front of head broader; pro-
sternum clothed with short recumbent, white hairs; prosternal process
not concave; tibiae unarmed at apex, and the tarsal claws cleft closer
to the middle with the inner tooth distinctly shorter than the outer
one.

Length, 8.25 mm.; width, 2.125 mm.

Type locality—Arizona (male type); Baboquivaria Mountains,
Arizona (female).

Type.—Cat. No. 41000, U.S.N.M.

Allotype——University of Kansas.

Described from two examples, the male labeled simply “Ari.”
without a definite locality, and the female collected in the Baboqui-
varia Mountains by F. H. Snow. In the female the pubescence on
the pronotum is slightly shorter than in the type, but otherwise the
differences are only sexual.

This species is very closely allied to costipennis Fisher, but can be
readily separated from that species by the pronotum being not wider
than long, the pygidium distinctly carinate, and the posterior tarsi
as long as the tibiae, with the first joint as long as the following
joints united.

61. AGRILUS HUACHUCAE Schaeffer

Figure 43

Agrilus huachucae SCHAEFFER, Bull. Brooklyn Inst. Mus., vol. 1, no. 7, 1905,
p. 150.—Frost and Weiss, Canad. Ent., vol. 53, 1921, p. 72-——CHAMBER-
LIN, Cat. Buprestidae, 1926, p. 65.

Male—Form rather large, robust, slightly flattened above, and
moderately shining; head bronzy green, with a golden tinge behind
the epistoma and in median depression, and becoming reddish purple
on front, vertex and occiput; pronotum reddish purple, with a dis-
tinct greenish reflection; elytra black, with a bluish or greenish tinge
in certain lights; beneath brown, with a distinct aeneous or aeneo-
cupreous tinge, especially anteriorly.

Head with the front rather narrow, about equal in width at top and
bottom, the lateral margins parallel to each other, and with a deep,
broad depression extending from occiput to epistoma, the depression

NORTH AMERICAN BUPRESTID BEETLES 187

narrower on the occiput, but becoming broader toward the epistoma,
where it is deeply depressed, and with a smooth, narrow, longitudinal
groove in bottom of depression on occiput; surface coarsely, densely
punctate, more or less rugose, and sparsely clothed with short, in-
conspicucus hairs; epistoma not transverse between the antennae,
strongly elevated, and feebly, broadly, arcuately emarginate in front ;
antennae extending to middle of pronotum, serrate from the fourth
joint, and the outer joints wider than long; eyes moderately large,
rather narrowly oblong, and about equally rounded beneath and
above.

Pronotum about two-fifths wider than long, shghtly wider at base
than apex, and widest at middle; sides regularly, arcuately rounded
from apical angles to posterior angles, which are rectangular; when
viewed from the side the marginal carina is slightly sinuate, the
submarginal carina nearly straight, the two carinae rather narrowly
separated anteriorly, and connected to each other behind the middle;
anterior margin strongly sinuate, and the median lobe strongly,
broadly rounded; base nearly transverse to middle of each elytron,
then broadly, strongly rounded to the scutellum; disk moderately
convex, broadly, feebly depressed along basal half, with a deep,
arcuate depression extending from lateral margin at middle to base,
and enveloping a large, round elevation near posterior angles, which
replace the prehumeral carinae; surface deeply, closely rugose, the
rugae transverse near base at middle, but becoming oblique at sides
and near apex, and coarsely punctate between the rugae. Scutellum
deeply depressed at middle, but not transversely carinate.

Elytra about as wide as pronotum at base, and about equal in
width at base and behind middle; sides nearly parallel for a short
distance behind base, broadly, arcuately constricted in front of
middle, broadly, arcuately expanded behind middle, then obliquely
narrowed to the tips, which are separately, broadly rounded, and
strongly serrulate; sides of abdomen only vaguely exposed above;
disk slightly flattened, without distinct longitudinal costa, sutural
margins slightly elevated posteriorly, and with broad, moderately
deep basal depressions; surface densely, finely granulate-punctate,
and sparsely clothed with very short, inconspicuous hairs.

Abdomen beneath obsoletely granulose, rather densely, finely punc-
tate, transversely rugose at sides of basal segment, and sparsely,
uniformly clothed with very short, recumbent, white hairs; first
segment convex at middle; last segment broadly rounded or sub-
truncate at apex; vertical portions of segments not conspicuously
pubescent; pygidium densely punctate, strongly carinate anteriorly,
but the carina not projecting. Prosternum sparsely, coarsely punc-

2305—28——_13

188 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

tate, and sparsely clothed with short, recumbent, white hairs;
prosternal lobe broad, strongly declivous, and broadly but not very
deeply, arcuately emarginate in front; prosternal process broad,
the sides parallel to behind the coxal cavities, then obliquely nar-
rowed to the apex, which is acute. Tibiae slender, the anterior pair
slightly arcuate, and the anterior and middle pairs armed with a
short tooth on inner margin at apex. Posterior tarsi slightly
shorter than tibiae, and the first joint about as long as the following
two joints united. Tarsal claws similar on all feet, cleft near the
middle, the inner tooth broad, much shorter than outer one, and not
turned inward.

Length, 8.5 mm.; width, 2.25 mm.

Female.—Similar to the male, but differs from it in having the
front of head wider, more uniformly reddish purple, and the tibiae
not armed with a tooth on inner margin at apex.

Redescribed from the male cotype, No. 2 in the collection of the
Brooklyn Institute Museum.

Type locality—Ramsey Cafion, Huachuca Mountains, Ariz.

DISTRIBUTION

ARIZONA: Ramsey Cafon, Huachuca Mountains, August 13; Palmerly, Cochise
County, August 2 (Charles Schaeffer). Schaeffer Cafion, Baboquivari
Mountains, 5,160-5,500 feet, September 18, 1924 (J. A. G. Rehn and M.
Hebard).

Variations.—Scarcely any variation was observed in the few speci-
mens examined, except in size, which varies from 7 to 9 millimeters
in length, but frequently the under side of the body is black, with a
bluish tinge, and strongly shining, and the pubescence on elytra
sometimes more distinct than in others.

/Tost.—The larval habits are not known, but Charles Schaeffer has
collected the adults on oak (Quercus sp.).

This species is allied to restrictus Waterhouse but can be separated
from that species by the pronotum not being deeply depressed at the
middle, the elytra uniformly clothed with short white hairs, and the
sexes not differently colored.

62. AGRILUS VENTRALIS Horn

Agrilus ventralis Horn, Trans. Amer. Ent. Soc., vol. 18, 1891, pp. 320-321,
pl. 8, figs. 21-22. Fai and CocKERELL, Trans. Amer. Ent. Soe., vol. 33,
1907, p. 181.—CHAMBERLIN, Cat. Buprestidae, 1926, p. 84.

Form small, subcylindrical, vaguely flattened above, moderately
shining, uniformly dark brown, with a feebly cupreous or aeneous
tinge, and each elytron ornamented with a more or less distinct
pubescent vitta; beneath similar in color to above, but slightly more
shining.

NORTH AMERICAN BUPRESTID BEETLES 189

Head with the front rather wide, slightly convex, distinctly wider
at top than at bottom, the lateral margins obliquely narrowed from
top to bottom, and with a shallow median depression extending from
the vertex to epistoma; surface sparsely, coarsely punctate, and with-
out distinct pubescence; epistoma very narrow between the antennae,
and nearly transversely truncate in front; antennae extending to
middle of pronotum, serrate from the fourth joint, and the outer
joints about as wide as long; eyes rather small, broadly oval, and
slightly more acutely rounded beneath than above.

Pronotum vaguely wider than long, about equal in width at base
and apex, and widest along middle; sides slightly rounded at apical
angles, parallel to behind middle, then obliquely narrowed to the pos-
terior angles; when viewed from the side the marginal and submargi-
nal carinae are nearly straight, rather widely separated anteriorly,
and connected to each other at the base; anterior margin feebly sinu-
ate, with the median lobe feebly, broadly rounded; base feebly,
arcuately emarginate at middle of each elytron, the median lobe
broadly rounded, and subtruncate in front of scutellum; disk strongly
convex, feebly, broadly, transversely concave along base, and without
median or lateral depressions or prehumeral carinae; surface obso-
letely granulose, finely rugose, the rugae widely separated, more or
less transverse on disk but becoming oblique toward the sides,
sparsely, finely punctate between the rugae, and clothed with a few
inconspicuous hairs toward the sides, being a continuation of the
elytral vittae. Scutellum not distinctly carinate, but the surface
finely, densely reticulate.

Elytra slightly wider than pronotum at base, and slightly narrower
at base than behind middle; sides nearly parallel for a short distance
behind base, broadly, feebly constricted in front of middle, rather
strongly, arcuately expanded behind the middle, then obliquely nar-
rowed to the tips, which are separately, rather broadly rounded, and
distinctly serrulate; sides of abdomen not exposed above; disk vaguely
convex, sutural margins scarcely elevated posteriorly, and with broad,
very shallow basal depressions; surface coarsely, roughly imbricate-
punctate, and each elytron ornamented with a narrow subsutural,
pubescent vitta extending from the basal depression to apex, and
composed of sparsely placed, short, recumbent, whitish hairs.

Abdomen beneath finely, densely granulose, rather sparsely, finely
punctate, the punctures more or less transversely connected by sinu-
ate lines, becoming rugose at the sides of first two segments, and
sparsely clothed with short, inconspicuous hairs, which are more
distinct at sides of segments; first segment feebly convex and not
pubescent at middle; last segment broadly rounded at apex; posterior
margin of the second segment produced into a broadly arcuate lobe

190 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

at middle, which is free and projecting over the third segment; third
segment vaguely projected over the fourth at middle; vertical por-
tions of the segments not conspicuously pubescent; pygidium with-
out a projecting carina. Prosternum sparsely, finely punctate, and
sparsely clothed with moderately long, semierect, whitish hairs; pro-
sternal lobe broad, moderately declivous, and broadly but not deeply,
arcuately emarginate in front, forming a rounded lobe on each side
of the emargination; prosternal process rather narrow, the sides
parallel to behind the coxal cavities, then obliquely narrowed to
the apex, which is rather acute. Tibiae slender, and without a distinct
tooth on inner margin at apex. Posterior tarsi nearly as long as
the tibiae, and the first joint nearly as long as the following three
joints united. Tarsal claws similar on all feet, cleft near the base,
the inner tooth broad and very short, and not turned inward.
Genitalia not examined.

Length, 3.75 mm.; width, 1 mm.

Redescribed from the lectotype, No. 3487, in the Academy of Nat-
ural Sciences in Philadelphia.

Type locality—New Mexico (no definite locality).

Variations—No variation was observed in the two specimens
examined, except that the paratype which is from the type locality
is 4.25 millimeters in length.

Host— Unknown.

The two examples, which are without doubt the same sex, are prob-
ably females, unless the peculiar abdominal lobe is a sexual character,
in which case they would be males. In general appearance the
species resembles 7aphrocerus agriloides, and the disk of the prono-
tum is more or less sculptured as in some of the Anthawia, but it can
be separated from all other known North American species of this
genus by the posterior margin of the second ventral segment of the
abdomen being free and slightly projecting over the next segment.
The four specimens in the Horn collection under this species, and
labeled “ 'Tex.,” are not ventralis.

63. AGRILUS OBOLINUS LeConte

Figure 44

Agrilus obolinus LeConts, Trans. Amer. Philos. Soe., vol. 11, new ser., 1859,
p. 248.—Horn, Trans. Amer. Ent. Soc., vol. 18, 1891, pp. 313-814
(part).—F atu, Calif. Acad. Sci., Occasional Papers, No. 8, 1901, p. 120
(probably costipennis).—WoopwortH, Guide to California Insects,
1913, p. 195 (probably costipennis).—CHAMBERLIN, Cat. Buprestidae,
1926, p. 72 (part).

Agrilus knausi SCHAEFFER, Bull. Brooklyn Inst. Mus., vol. 1, no. 15, 1909,
pp. 376-377.—F aL, Trans. Amer. Ent. Soc., vol. 36, 1910, pp. 138-139.

NORTH AMERICAN BUPRESTID BEETLES 191

Female—F¥orm rather robust, slightly flattened above, and rather
strongly shining; above uniformly reddish cupreous, with a feeble
aeneous tinge along the sutural margins of elytra; beneath more
aeneo-cupreous and shining than above.

Head with the front rather wide, about equal in width at top and
bottom, the lateral margins nearly parallel to each other, and with
a deep, broad depression extending from occiput to epistoma, the
depression narrower on the occiput, but becoming broader toward the
epistoma, and with a narrow, longitudinal groove in bottom of de-
pression extending from occiput to middle of front; surface coarsely
but not very densely punctate, and sparsely clothed with short, re-
cumbent, white hairs; epistoma strongly transverse between the
antennae, slightly elevated, and broadly but not very deeply, arcu-
ately emarginate in front; antennae extending to middle of pro-
notum, serrate from the fourth joint, and the outer joints slightly
wider than long; eyes large, rather broadly oblong, and equally
rounded above and beneath.

Pronotum about one-third wider than long, about equal in width
at base and apex, and widest at middle; sides arcuately rounded from
apical angles to near the base, where they are strongly sinuate, and
the posterior angles rectangular; when viewed from the side the mar-
ginal carina is strongly sinuate, the submarginal carina nearly
straight, the two carinae rather narrowly separated anteriorly, and
connected to each other near the base; anterior margin strongly
sinuate, and the median lobe broadly rounded; base feebly, broadly
emarginate at middle of each elytron, and with the median lobe very
broadly rounded; disk moderately convex, with a broad, shallow
median depression, which is broader posteriorly, a deep, arcuate
depression extending from lateral margin at middle to base, and
enveloping a large, round elevation near posterior angle, and an ob-
solete, obtuse prehumeral carina; surface sparsely, coarsely punc-
tate, feebly rugose, the rugae transverse toward the base, and
oblique at the sides, and sparsely clothed with short, recumbent,
whitish hairs. Scutellum not transversely carinate, but the surface
finely, densely reticulate.

Elytra wider than pronotum at base, and slightly wider at base
than behind middle; sides nearly parallel for a short distance behind
base, broadiy, arcuately constricted in front of middle, feebly,
broadly expanded behind middle, then obliquely narrowed to the
tips, which are separately, narrowly rounded, and feebly serrulate ;
sides of abdomen feebly exposed above; disk slightly flattened,
vaguely, longitudinally depressed along sutural margins, causing a
very vague, obtuse costa on each elytron, sutural margins feebly ele-
vated posteriorly, and with broad, deep basal depressions; surface

192 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

feebly imbricate-punctate, and sparsely clothed with short, recumbent
whitish hairs.

Abdomen beneath obsoletely granulose, finely punctate, sparsely
at the middle, more densely at the sides, the punctures connected
transversely by sinuate lines, which are coarser on the basal segment,
and sparsely clothed with short, recumbent, whitish hairs; first seg-
ment convex at middle; last segment broadly rounded at apex; ver-
tical portions of segments sparsely pubescent; pygidium densely,
coarsely punctate, strongly carinate, but the carina not projecting.
Prosternum coarsely, sparsely punctate, and clothed with a few re-
cumbent, white hairs; prosternal lobe broad, feebly declivous, and
very feebly, broadly emarginate in front; prosternal process broad,
the sides parallel to behind the coxal cavities, then obliquely nar-
rowed to the apex, which is acute. Tibiae slender, and without a
tooth on inner margin at apex. Posterior tarsi shorter than tibiae,
and the first joint as long as the following two joints united. Tarsal
claws similar on all feet, cleft near the middle, the inner tooth broad,
shorter than outer one, and not turned inward.

Length, 8.25 mm.; width, 2.25 mm.

Male—Differs from the female in having the front of head feebly
expanded at the middle; anterior and middle tibiae armed with a
short tooth on inner margin at apex, and the last abdominal segment
emarginate at apex.

Redescribed from the female type (No. 1) in the Museum of
Comparative Zodlogy.

Type localities —Of obolinus, Kansas; type in Museum of Com-
parative Zodlogy. Of knausi, Belvidere, Kans.; type in the Museum
of the Brooklyn Institute.

Distribution.—The only specimens examined, which could be con-
sidered as this species, are from the type localities and which have
been distributed in various collections. From the material examined
its range seems to be confined to Kansas.

Variations—This species varies in color from a bronzy green, with
a slightly cupreous tinge, to reddish or brownish cupreous, the
median depression on pronotum varies more or less in depth, the
prehumeral carinae are usually vaguely indicated, but sometimes the
carinae are replaced by round elevations, and in nearly all of the
examples examined the prosternal lobe is more deeply emarginate
in front than in the type.

Host.—The larval habits are not known, but H. F. Wickham has
collected the adults on elm (Ulmus sp. ys

LeConte (1859) described the species from a single female from
Kansas, and Schaeffer (1909) described the same species under the
name of knausi from a single male collected at Belvidere, Kans.

NORTH AMERICAN BUPRESTID BEETLES 193

The types of both of these species have been studied, and no differ-
ences except slight variations and sexual could be found. Horn
(1891) has confused a number of species under this name, and the
specimen of “ obolinus No. 3” from Arizona in the LeConte collec-
tion is a specimen of politus Say, and neither of the two examples in
his own collection in the Philadelphia Academy of Natural Sciences
is obolinus LeConte. These two specimens are labeled “ Tex.” and
“Ariz.” and are probably baboquivariae Fisher, but at the time these
specimens were examined I did not separate baboqguivariae Fisher
from costipennis Fisher. The specimens recorded in the literature
from California are probably costipennis Fisher. Chamberlin (1926)
records this species from Ontario, Canada, but that record refers to
obliquus LeConte instead of obolinus LeConte.

This species resembles politus Say in general appearance, but it is
usually more robust, the pronotum is more or less longitudinally de-
pressed, and it can be separated at once from that species by the
scutellum not being transversely carinate.

64. AGRILUS FALLAX Say
Figure 45

Agrilus fallaw Say, Trans. Amer. Philos. Soc., vol. 6, new ser., 1836, p. 163.—
LEConTE, Say’s Writings, vol. 2, pp. 596-597 (Bailliére Bros. ed., 1859;
Cassino and Co. ed., 1883); Trans. Amer. Philos. Soc., vol. 11, new
ser., 1859, p. 246—CrotcH, Proc. Acad. Nat. Sci. Phila., vol. 25, 1873,
p. 98.—ZescH and REINECKE, North Amer. Ent. (Buffalo), vol. 1, 1880,
p. vii— WIcKHAM, Bull. Lab. Nat. Hist., State Univ. Iowa, vol. 1, no. 1,
1888, p. 87.—Horn, Trans. Amer. Ent. Soc., vol. 18, 1891, pp. 316-817,
pl. 8, fig. 2—Horx1ns, Ins. Life, vol. 4, 1892, p. 257; W. Va. Agric. Exp.
Sta., Bull. 32, 1893, p. 184.—Srrompere, Canad. Ent., vol. 26, 1894,
p. 36.—HAmMILTON, Trans. Amer. Ent. Soc., vol, 22, 1895, p. 364.—Evans,
Canad. Ent., vol. 31, 1899, p. 321.—CHITTENDEN, U. S. Dept. Agric., Div.
Ent., Bull. 22, new ser., 1900, p. 67.—Smiru, 27th Rept. N. J. Board
Agric. for 1899 (1900), suppl. p. 257.—OvELLET, Le Naturaliste Canadien,
vol. 29, 1902, p. 120.—U.tkgs, Proc. U. 8. Nat. Mus., vol. 25, no. 1275,
1902, p. 21.—Fertt, N. Y. State Mus., Mem. 8, vol. 2, 1906, p. 725.—
HovueutTon, Canad. Ent., vol. 40, 1908, pp. 160-162—WickHam, Bull.
Lab. Nat. Hist., State Univ. Iowa, vol. 6, no. 2, 1909 (Author’s edition),
p. 23.—BLaTcHLEy, Coleoptera of Indiana, 1910, p. 802, fig. 311la—
SmitH, Rept. N. J. State Mus. for 1909 (1910), p. 295.—Frost, Canad.
Ent., vol. 44, 1912, p. 248.—Cuaenon, 9th Rept. Quebec Soc. Protection
Plants, suppl., pt. 3, 1917, p. 219—Nziconay, Bull. Brooklyn Ent. Soc.,
vol. 14, 1919, p. 20——Frost and Wess, Canad. Ent., vol. 52, 1920, pp.
221—222.—_KNUuLL, Ent. News, vol. 31, 1920, p. 10; Canad. Ent., vol. 54,
1922, p. 85.—MutTcHLer and Weiss, N. J. Dept. Agric., Bur. Statistics
and Inspection, Cire. 48, 1922, p. 8, pl. 1, fig. 1—Knut1t, Ohio State
Univ. Studies, vol. 2, no. 2, 1925, p. 49, pl. 1, fig. 26—CHAMBERLIN,
Cat. Buprestidae, 1926, pp. 61-62.

194 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

Agrilus zemes Gory, Mon. Bupr. Suppl., vol. 4, 1841, p. 284, pl. 39, fig. 225.—
LeConte, Proc. Acad. Nat. Sci. Phila., vol. 9, 1857, p. 9; Trans. Amer.
Philos. Soc., vol. 11, new ser., 1859, p. 250; Proc. Acad. Nat. Sci. Phila.,
yol. 25, 1873, p. 333.

Agrilus impressipennis UHLER, Proc. Acad. Nat. Sci. Phila., vol. 7, 1855,
p. 416.

Male—F¥orm moderately elongate, feebly flattened above, and
moderately shining; head bright green in front, becoming cupreous
on the occiput; pronotum and elytra dark olivaceous green, with a
- more or less distinct cupreous tinge, especially toward the apex, and
each elytron ornamented with three more or less distinct pubescent
spots; beneath cupreous, the median parts and legs more or less
bronzy or greenish, and more shining than above.

Head with the front rather wide, nearly flat, about equal in width
at top and bottom, the lateral margins feebly, broadly constricted at
the middle, transversely depressed behind the epistoma, a large,
distinct, deep fovea behind the antennal cavities, and with a shallow,
longitudinal groove extending from the occiput to epistoma; surface
densely, coarsely granulose, feebly, sparsely rugose, the rugae longi-
tudinal on the occiput, sparsely punctate between the rugae, and
clothed with a few short, recumbent, white hairs behind the epistoma;
epistoma strongly transverse between the antennae, and very broadly,
deeply, arcuately emarginate in front; antennae extending nearly to
posterior angles of pronotum, serrate from the fourth joint, and the
outer joints distinctly longer than wide; eyes large, broadly oblong,
and slightly more acutely rounded beneath than above.

Pronotum nearly one-third wider than long, slightly narrower at
base than apex, and widest near apex; sides nearly parallel at base,
obliquely expanded to near the apex, then feebly narrowed to the
apical angles; when viewed from the side the marginal and submar-
ginal carinae are strongly sinuate, narrowly separated anteriorly,
and connected to each other behind the middle; anterior margin
strongly sinuate, with the median lobe broadly rounded; base feebly
emarginate at middle of each elytron, the median lobe broadly
rounded, and feebly emarginate in front of scutellum; disk moder-
ately convex, with a broad, median depression in front of scutellum,
a broad, moderately deep, oblique depression on each side along lat-
eral margin, and with distinct, feebly arcuate, prehumeral carinae,
extending from posterior angles to basal third; surface coarsely,
deeply, transversely rugose at middle, the rugae becoming more or
less longitudinal toward the sides, sparsely, finely punctate between
the rugae, and with a few hairs in the lateral depressions. Scutellum
strongly, transversely carinate, and the surface densely, finely reticu-
late.

NORTH AMERICAN BUPRESTID BEETLES 195

Elytra slightly wider than pronotum at base, and about equal in
width at base and behind the middle; sides nearly parallel or feebly
arcuate for a short distance behind the base, broadly, arcuately con-
stricted in front of middle, broadly, arcuately expanded behind the
middle, then obliquely narrowed to the tips which are separately,
rather broadly rounded, and strongly serrulate; sides of abdomen
narrowly exposed above; disk shghtly flattened, with a vague costa
on each side, sutural margins slightly elevated posteriorly, and with
broad, shallow basal depressions; surface coarsely, densely imbricate-
punctate, and each elytron ornamented with three more or less dis-
tinct yellowish pubescent spots, one in basal depression, one in front
of middle, and the other at apical third.

Abdomen beneath sparsely, finely punctate, the punctures con-
nected transversely by obsolete, sinuate lines, which are more distinct
at sides of basal segment, and sparsely clothed with short, recumbent,
white hairs; first and second segments with a broad, median groove,
which is finely punctate, and densely clothed with long, semierect,
whitish hairs; last segment broadly rounded at apex; vertical portions
of segments not conspicuously pubescent ; pygidium sparsely, coarsely
punctate, feebly carinate anteriorly, but the carina not projecting.
Prosternum finely punctate, and densely clothed at middle with long,
erect, inconspicuous hairs, which extend along middle of body to the
posterior margin of second abdominal segment; prosternal lobe broad,
feebly declivous, and broadly subtruncate in front; prosternal process
broad, the sides strongly expanded behind the coxal cavities, then
strongly narrowed to the apex, which is acute. Tuibiae slender,
straight, and the anterior and middle pairs with a small tooth on
inner margin at apex. Posterior tarsi nearly as long as the tibiae,
and the first joint as long as the following three joints united. Tar-
sal claws dissimilar, anterior ones cleft near tip, and the teeth nearly
equal in length; middle and posterior claws cleft near middle, the
inner tooth broad, much shorter than outer one, and not turned
inward.

Length, 4.8 mm.; width, 1.2 mm.

Female.—Differs from the male in having the head dark olivaceous
green, the epistoma cupreous with a roseous tinge, sides of front more
parallel, and the surface not distinctly granulose; antennae slightly
shorter, and the outer joints scarcely longer than wide; eyes more
strongly convex laterally; first and second abdominal segment con-
vex, without a longitudinal groove and not clothed with long hairs
at middle; prosternum sparsely clothed with long, recumbent, white
hairs, but without long, erect hairs at middle; tibiae without a tooth
at apex, and the claws cleft at middle on all feet.

Redescribed from a male collected at Cliff Cave, Mo., April 28,
1878, by F. Pergande. Since the type of this species is lost, I am

196 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

designating this specimen as the neotype, and depositing it in the
United States National Museum collection.

Type localities —Of fallaw, Indiana; the type is lost. Of zemes,
Alabama; present location of type unknown to writer. Of iopres-
sipennis, Baltimore, Md.; present location of type unknown to
writer—probably is lost.

Distribution.—This species is widely distributed and material has
been examined from the Province of Quebec, Canada, and various
localities in the following States: Alabama, Connecticut, Delaware,
District of Columbia, Florida, Illinois, Indiana, Iowa, Kansas, Louis:
jana, Maryland, Missouri, New Jersey, New Mexico, New York,
North Carolina, Ohio, Oklahoma, Pennsylvania, South Carolina,
Tennessee, Texas, Virginia, and West Virginia.

Variations—The color varies from olivaceous green to reddish
cupreous, and the length from 4 to 6 millimeters. The pronotum is
usually widest near the apex, but in a few examples it is widest at the
middle, and the sides are arcuately rounded. The median depression
on the pronotum is quite variable, and may consist of a rather deep
depression posteriorly, two vague median depressions, or a feebly
impressed median groove, and rarely an example is found without
distinct depressions. The pubescent spots are sometimes only feebly
indicated, but this is usually due to abrasion.

Hosts—Has been reared a number of times by different workers
from dead and dying honey locust (Gleditsia triacanthos Linnaeus)
and hackberry (Celtis occidentalis Linnaeus). It has also been re-
corded from black locust, oak, and cottonwood, but these records are
probably incorrect.

This species resembles obsoletoguttatuws Gory very closely and the
two species are confused in most collections. It is usually smaller
than obsoletoguttatus and has the prosternal lobe broadly rounded in
front, whereas in obsoletoguttatus the lobe is emarginate in front.

65. AGRILUS SCITULUS Horn
Figure 46

Agrilus scitulus Horn, Trans. Amer. Ent. Soc., vol. 18, 1891, pp. 318-319.—
CHITTENDEN, U. S. Dept. Agric., Div. Ent., Bull. 22, new ser., 1900, p.
68.—Frost and WErss, Canad. Ent., vol. 52, 1920, p. 222.—CHAMBERLIN,
Cat. Buprestidae, 1926, p. 81.

Male—F¥orm resembling fallax, head green, becoming bronzy on
the occiput; pronotum bronzy, with a distinct cupreous tinge; elytra
piceous, with a more or less distinct purplish tinge, and ornamented
with distinct pubescent spots; beneath piceous, with a feeble cupreous
or bronzy reflection, and slightly more shining than above.

Head with the front rather wide, slightly convex, about equal in
width at top and bottom, the lateral margins feebly, arcuately

NORTH AMERICAN BUPRESTID BEETLES 197

expanded near middle, transversely depressed behind epistoma, and
with a broad, shallow depression near the vertex; surface coarsely
rugose, the rugae irregular on the front, becoming longitudinal on
the occiput, rather densely, coarsely punctate between the rugae, and
sparsely clothed with long, recumbent, yellowish pubescence behind
the epistoma; epistoma strongly transverse between the antennae,
rather strongly elevated, and broadly, deeply emarginate in front;
antennae extending nearly to posterior angles of pronotum, serrate
from the fourth joint, and the outer joints distinctly longer than
wide; eyes large, rather narrowly oblong, and slightly more acutely
rounded beneath than above.

Pronotum slightly wider than long, base and apex about equal in
width, and widest near the middle; sides feebly, arcuately rounded an-
teriorly, and more strongly narrowed behind the middle; when viewed
from the side the marginal and submarginal carinae are strongly
sinuate, narrowly separated anteriorly, and connected to each other
near the middle; anterior margin strongly sinuate, with the median
lobe broadly rounded; base feebly emarginate at middle of each
elytron, the median lobe broadly rounded, and feebly emarginate in
front of scutellum; disk moderately convex, feebly, broadly, trans-
versely concave on basal half, a round, median depression near an-
terior margin, a broad, oblique depression on each side along lateral
margin, and with distinct straight prehumeral carinae, extending
from posterior angles to near the middle; surface shining, densely,
coarsely rugose, the rugae more or less transverse at middle, becoming
oblique toward the sides, obsoletely granulose, rather densely, finely
punctate between the rugae, and sparsely clothed with moderately
long, recumbent, whitish or yellowish hairs at the sides. Scutellum
strongly, transversely carinate, and the surface densely, finely
reticulate.

Elytra distinctly wider than pronotum at base, and about equal in
width at base and behind the middle; sides feebly rounded behind
the base, broadly, arcuately constricted in front of middle, broadly,
arcuately expanded behind the middle, then obliquely narrowed to
the tips, which are separately, rather broadly rounded, and finely
serrulate; sides of abdomen narrowly exposed above; disk slightly
flattened at middle, with a short, vague costa on each side, sutural
margins slightly elevated posteriorly, and with rather shallow, broad,
basal depressions; surface densely, coarsely imbricate-punctate,
sparsely, uniformly clothed on apical fifth with very short, white
hairs, and each elytron ornamented with whitish pubescent spots as
follows; a large spot in basal depression, a narrow fascia extending
from basal fourth to middle, exterior to the posterior end of which
is a small round spot, and a larger round spot along suture near
apical third.

198 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

Abdomen beneath finely, sparsely punctate, more densely so on the
first two segments, more or less rugose at the sides, with sparsely
pubescent spaces on the first two segments midway between the
middle and side, and a similar spot on the third segment at the side;
first segment feebly convex, without a median groove; last segment
broadly rounded at apex; vertical portions of first segment densely
pubescent, second nearly glabrous, and the following segments
sparsely pubescent; pygidium coarsely punctate, distinctly carinate,
but the carina not projecting. Prosternum finely, densely punctate,
densely clothed at middle with long, erect, inconspicuous hairs, which
extend on the front of the metasternum; prosternal lobe, broad,
moderately declivous, and rather deeply, broadly emarginate in front ;
prosternal process broad, the sides parallel to behind the coxal cavi-
ties, then arcuately narrowed to the apex, which is rather acute.
Tibiae slender, straight, and the anterior and middle pairs armed
with a distinct tooth on the inner margin at apex. Posterior tarsi
about as long as the tibiae, and the first joint as long as the following
joints united. Tarsal claws similar on all feet, cleft near the middle,
the inner tooth broad, shorter than the outer one, and not turned
inward.

Length, 5 mm.; width, 1.25 mm.

Female—Differs from the male in having the head uniformly
bronzy brown, front shghtly wider at top than at bottom, the lateral
margins feebly, obliquely expanded from bottom to occiput, and with
only a few short hairs behind the epistoma; prosternum not clothed
with long, erect hairs at middle, and the tibiae without a distinct
tooth at apex.

Redescribed from the male lectotype, No. 3485, in the Philadelphia
Academy of Natural Sciences.

Type locality.—Texas, no definite locality, but probably at Waco.

DISTRIBUTION

Material examined:

TrxAs: Type locality (probably Waco). Columbus, June (EH. A. Schwarz). Also
recorded by Chamberlin in the Schaeffer Collection from New Braunfels.

Variations—In the few specimens examined no variations have
been observed except in color and size. The color of the pronotum
varies from bronzy green to aureus, with a more or less distinct
cupreous tinge, and the length from 3.75 to 5.5 millimeters.

Host.—Chittenden (1900) records this species as having been reared
by E. A. Schwarz from huisache (Acacia farnesiana (Linnaeus) Will-
denow) at San Diego, Tex., but the specimen can not be found, and
this host-plant record should be verified.

This species seems to be rare in collections and the eight specimens
in the Horn collection in the Academy of Natural Sciences in Phila-

NORTH AMERICAN BUPRESTID BEETLES 199

delphia are labeled simply “ Tex.,” but Horn (1891) writes that they
were collected by Belfrage, and probably at Waco. It resembles
fallax Say and obsoletoguttatus Gory, but can be readily separated
from both these species by the pronotum being of a different color
than the elytra.

66. AGRILUS OBSOLETOGUTTATUS Gory
Figure 47

Agrilus obsoletoguttatus DEJEAN, Cat. Coleopt., ed. 2, 1833, p. 82; ed. 3, 1837,
p. 938 (ne description)—Gory, Men. Bupr. Suppl., vol. 4, 1841, p. 256,
pl. 43, fig. 249—Wuitr, Nomenclature Coleopt. Ins. British Mus., pt. 3,
1848, p. 38.—LEeContTsE, Proc. Acad. Nat. Sci. Phila., vol. 9, 1857, p. 9;
Trans. Amer. Philos. Soc., vol. 11, new ser. 1859, pp. 246, 250.—Horn,
Trans. Amer. Ent. Soc., vol. 18, 1891, pp. 317-315, pl. 8, figs. 3, 11, 19.—
STROMBERG, Canad. Ent., vol. 26, 1894, p. 36—SLosson, Ent. News, vol. 6,
1895, p. 319-——Hamirton, Trans. Amer. Ent. Soc., vol. 22, 1895, p. 364.—
BowpircuH, Psyche, vol. 7, suppl. 2, 1896, p. 7.—CHiTTENDEN, U. S. Dept.
Agric., Div. Ent., Bull. 22, new ser., 1900, p. 68.—SMITH, 27th Rept. N. J.
State Board Agric. for 1899 (1900), suppl. p. 257.—ULKks, Proc. U. 8.
Nat. Mus., vol. 25, no. 1275, 1902, p. 47—WickHAM, Bull. Lab. Nat.
Hist., State Univ. Iowa, vol. 5, no. 3, 1902, p. 269.—Frtt, N. Y. State
Mus., Mem. 8, vol. 2, 1906, p. 701—WickHam, Bull. Lab. Nat. Hist.,
State Univ. Iowa, vol. 6, no. 2, 1909 (Author’s edition), p. 28.—SMITEH,
Ann. Rept. N. J. State Mus. for 1909 (1910), p. 295—BLATCHLEY,
Coleoptera of Indiana, 1910, p. 802, figs. 307, 311b.—F Rost, Canad. Ent.,
vol. 44, 1912, pp. 247, 248; Canad. Ent., vol. 47, 1915, p. 144——JoHNson,
Ent. News, vol. 27, 1916, p. 117.—Morkris, 47th Rept. Ent. Soc. Ontario
for 1916 (1917), p. 22.—CHagGNnon, 9th Rept. Quebec Soc. Protection
Plants, suppl. pt. 8, 1917, p. 219—Morris, Canad. Ent., vol. 51, 1919,
p. 52.—NicoLay, Bull. Brooklyn Ent. Soc., vol. 14, 1919, p. 20—Bnrirron,
Conn. State Geol. and Nat. Hist. Survey, Bull. 31, 1920, p. 245.—Frost
and WEIss, Canad. Ent., vol. 52, 1920, p. 222.—KNuti, Ent. News, vol.
31, 1920, pp. 10-11; Canad. Ent., vol. 54, 1922, p. 86—MUTCHLER and
Weiss, N. J. Dept. Agr., Bur. Statistics and Inspection, Cire. 48, p. 9,
pl. 1, figs. 2, 8, 9 -KNULL, Ohio State Univ. Studies, vol. 2, no. 2, 1925,
pp. 49-50.—CHAMBERLIN, Cat. Buprestidae, 1926, pp. 72-73.

Agrilus nigricans DEJEAN, Cat. Coleopt., ed. 2, 1883, p. 82; ed. 3, 1837,
p. 93 (no description).—Gory, Mon. Bupr. Suppl., vol. 4, p. 257, pl. 43,
fig. 250.—LEContTsE, Proc. Acad. Nat. Sci. Phila., vol. 9, 1857, p. 9;
Trans. Amer. Philos. Soc., vol. 11, new ser., 1859, p. 250; Proc. Acad.
Nat. Sei. Phila., vol. 25, 1873, p. 332.

Agrilus interruptus LeContTr, Trans. Amer. Philos. Soc., vol. 11, new ser.,
1859, p. 246.—Crorcu, Proc. Acad. Nat. Sci. Phila., vol. 25, 1873, p. 93.—
ZEscH and REINECKE, North Amer. Ent. (Buffalo), vol. 1, 1880, p.
vii.— BLANCHARD, Ent. Amer., vol. 5, 1889, p. 32.—CHITTENDEN, Ent.
Amer., vol. 5, 1889, p. 220.—HARRINGTON, 27th Ann. Rept. Ent. Soc.
Ontario for 1896 (1897), p. 71.—CocKERELL, New Mex. Agric. Exp. Sta.,
Bull. 28, 1898, p. 152—CHITTENDEN, U. S. Dept. Agric., Div. Ent.,
Bull. 22, new ser., 1900, p. 68.—FELT, N. Y. State Mus., Mem. 8, vol. 2,
1906, p. 701—FaLL and CocKERELL, Trans. Amer. Ent. Soce., vol. on,
1907, p. 181—Easton, Psyche, vol. 16, 1909, p. 50.

Agrilus subaeratus HaArris, (Ms. name).

200 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

Male—F¥orm slender, elongate, feebly flattened above, and mod-
erately shining; head bronzy green to golden green, becoming
brownish cupreous on the occiput; pronotum and elytra varying
from bronzy black to olivaceous brown, sometimes with a feebly
purplish tinge, and each elytron ornamented with three or four
whitish or yellowish pubescent spots; beneath bronzy or cupreous,
more shining than above, and the legs more or less greenish.

Head with the front rather narrow, nearly flat, about equal in
width at top and bottom, the lateral margins broadly, arcuately con-
stricted near the bottom, transversely depressed behind the epistoma,
and with a feeble, narrow, longitudinal groove extending from
occiput to middle of front; surface finely, densely granulose, densely,
coarsely punctate, more or less rugose on front, the rugae becoming
longitudinal on the occiput, and sparsely clothed with long, recum-
bent, whitish hairs, which are denser behind the epistoma; epistoma
strongly transverse between the antennae, and rather broadly, deeply
emarginate in front; antennae extending nearly to posterior angles
of pronotum, serrate from the fourth joint, and the outer joints dis-
tinctly longer than wide; eyes large, rather broadly oblong, and
about equally rounded above and beneath.

Pronotum one-fourth wider than long, slightly narrower at base
than apex, and widest along apical half or near apex; sides feebly
arcuate or obliquely narrowed from apex to behind middle, then more
strongly narrowed to the posterior angles, which are sharply rectan-
gular; when viewed from the side the marginal and submarginal
carinae are strongly sinuate, narrowly separated anteriorly, and
connected to each other behind the middle; anterior margin strongly
sinuate, with the median lobe broadly rounded; base feebly emar-
ginate at the middle of each elytron, the median lobe broadly
rounded, and feebly emarginate in front of scutellum; disk mod-
erately convex, with two more or less distinct median depressions
(sometimes one or both nearly obsolete), a broad, moderately deep,
oblique depression on each side along lateral margin, and with sharply
elevated, straight prehumeral carinae, extending from posterior angles
to near middle; surface coarsely, deeply, transversely rugose at
middle, finely densely punctate between the rugae, and rather densely
clothed with recumbent whitish or yellowish hairs at the sides ante-
riorly. Scutellum strongly, transversely carinate, and the surface
densely finely reticulate.

Elytra wider than pronotum at base, and slightly wider at base
than behind the middle; sides nearly parallel and sinuate for a
short distance behind the base, broadly, arcuately constricted in
front of middle, broadly, arcuately expanded behind the middle, then
obliquely narrowed to the tips, which are separately, rather broadly
rounded, and strongly serrulate; sides of abdomen narrowly ex-

NORTH AMERICAN BUPRESTID BEETLES 201

posed above; disk slightly flattened, sometimes with a vague costa
on each side, sutural margins rather strongly elevated posteriorly,
and with broad, moderately deep basal depressions; surface densely,
coarsely imbricate-punctate, more or less distinctly clothed pos-
teriorly with short, recumbent yellowish or whitish hairs, and each
elytron ornamented with more or less distinct yellowish or whitish
pubescent spots as follows: one in basal depression, an elongate
fascia extending from basal fourth to middle, a round spot at apical
third, and sometimes also a small spot exterior to the posterior end
of the middle fascia.

Abdomen beneath finely, densely punctate, the punctures more or
less confluent, and rugose on basal segment, rather densely clothed
with short, recumbent, whitish or yellowish hairs, and usually with
a more or less distinct pubescent spot at the sides of the segments;
first segment feebly flattened, without a median groove; last seg-
ment broadly rounded at apex; vertical portions of segments rather
densely pubescent, except the second, which is nearly glabrous;
pygidium coarsely punctate, feebly carinate, but the carina not
projecting. Prosternum densely, finely granulose, and densely
clothed at middle with long, erect, fine hairs, which extend to the
anterior part of metasternum; prosternal lobe broad, moderately
declivous, and broadly, deeply emarginate in front; prosternal
process broad, the sides parallel to behind the coxal cavities, then
obliquely narrowed to the apex, which is acute. Tibiae slender,
anterior pair slightly arcuate, and the anterior and middle pairs
with a distinct tooth on the inner margin at apex. Posterior tarsi
slightly longer than tibiae, and the first joint as long as the follow-
ing joints united. Tarsal claws nearly similar on all feet, middle
and posterior pairs cleft near the middle, the inner tooth broad,
shorter than the outer one, and not turned inward, the anterior
ones slightly more deeply cleft, and the teeth more equal in size
and length.

Female.—Differs from the male in having the head aeneous or
cupreous, front more convex, less closely punctate and the lateral
margins more parallel; antennae shorter, and the outer joints
scarcely longer than wide; first abdominal segment more convex
and sparsely punctured at middle; posterior tarsi not longer than
tibiae, and the prosternum not clothed with long hairs at the middle.

Length, 4.75-8 mm.; width, 1-1.75 mm.

Type localities —Of obsoletoguttatus, North America; present
location of type unknown to writer. Of nigricans, North America;
present location of type unknown to writer. Of interruptus, South-
ern States; type in Museum of Comparative Zodlogy.

Distribution—This species has a wide distribution and material
has been examined from the Provinces of Quebec and Ontario,

202 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

Canada, and various localities in the following States: Connecticut,
District of Columbia, Illinois, Indiana, Iowa, Kansas, Kentucky,
Louisiana, Maryland, Massachusetts, Michigan, Missouri, New
Hampshire, New Jersey, New York, North Carolina, Pennsylvania,
Texas, Virginia, West Virginia, and Wisconsin. It has also been
recorded by Wickham (1902) from Colorado, Cockerell (1898) from
Gallinas Cafion, New Mexico, and by Frost (1912) from Maine.

Variations —The species is quite variable, and is represented by
two forms, the extremes of which seem to indicate two species, but
by a careful study of a large series of examples from all localities,
no valid character could be found for separating them. The form
found in the northern part of the country is the one described by
Gory as obsoletoguttatus and nigricans. Gory in describing the
former gives subaeratus Harris (manuscript name) which was prob-
ably collected in Massachusetts. This form is usually of a bronzy
black color, and the pubescent spots are composed of whitish hairs
and are only feebly indicated. The form found in Texas and the
Southern States was described by LeConte as interrwptus and is
usually olivaceous brown, with the pubescent spots composed of
yellowish hairs, and are usually quite distinct.

The pronotum is more or less variable in shape, and in some speci-
mens the sides are obliquely expanded from base to near the apex,
whereas in others they are nearly parallel to each other along the
apical half. The median depressions on the pronotum are quite dis-
tinct in some examples, whereas in other examples, one or sometimes
both of these depressions are only feebly indicated. In some speci-
mens, especially those from the south, the sides of the pronotum,
sides of the sternum, and spots at sides of abdomen are densely
covered with whitish efflorescence.

Hosts.—This species has been reared by J. N. Knull from dead
branches of beech (Fagus grandifolia Ehrhart, Synonym /. amer?-
cana Sweet); blue beech (Carpinus caroliniana Walter); ironwood
or hop-hornbeam (Cstrya virginiana (Miller) Koch); red oak
(Quercus rubra Linnaeus); hickory (/Zicoria sp.), and sweet birch
(Betula lenta Linnaeus).

67. AGRILUS LAUTUELLUS, new species
Figure 48

Male.—¥orm resembling that of ornatu/us Horn; head green, with
a feeble bronzy tinge in front, becoming bronzy brown on the occiput;
prosternum and elytra moderately shining, bronzy brown, with more
or less distinct cupreous tinge, the elytra sometimes with a violaceous
tinge on the postmedian glabrous area, and with distinct pubescent
designs; beneath cupreous brown, the legs shghtly bronzy, and more
shining than above.

NORTH AMERICAN BUPRESTID BEETLES 203

Head with the front narrow, strongly convex, slightly wider at
bottom than at top, the lateral margins feebly narrowed from bottom
to vertex, and with a feeble, narrow groove extending from the occi-
put to near middle of front; surface irregularly, transversely rugose
in front, longitudinally rugose on the occiput, feebly, sparsely punc-
tate between the rugae, and clothed with a few, rather indistinct,
white hairs behind the epistoma; epistoma slightly transverse be-
tween the antennae, and feebly, broadly, arcuately emarginate in
front; antennae extending to middle of pronotum, serrate from the
fourth joint, and the outer joints about as wide as long; eyes rather
small, narrowly oblong, broadly rounded above, and acutely angu-
lated beneath.

Pronotum one-third wider than long, base and apex about equal in
width, and widest at middle; sides regularly, arcuately rounded from
base to apical angles; when viewed from the side the marginal and
submarginal carinae are nearly straight, widely separated anteriorly,
and connected to each other near the base; anterior margin strongly
sinuate, with the median lobe broadly rounded; base nearly trans-
versely truncate, with the median lobe scarcely indicated; disk moder-
ately convex, feebly, narrowly concave along the sides, and without
median depressions or prehumeral carinae; surface obsoletely granu-
lose, feebly, obliquely rugose at middle, longitudinally rugose toward
the sides, with a few fine punctures between the rugae, and clothed
with short, recumbent, whitish hairs, which are sparsely, regularly
placed on disk, but slightly longer and denser along the lateral
margins. Scutellum strongly, transversely carinate, and the surface
finely granulose or recticulate.

Elytra slightly wider than pronotum at base, and about equal in
vidth at base and behind the middle; sides parallel for a short dis-
tance behind base, feebly, broadly constricted in front of middle,
broadly, arcuately expanded behind the middle, then obliquely nar-
rowed to the tips, which are separately, rather broadly, obliquely
rounded, and finely serrulate; sides of abdomen narrowly exposed
above; disk feebly flattened, without costa, and with broad, shallow
basal depressions; surface feebly, coarsely imbricate-punctate, and
each elytron ornamented with silvery white pubescent designs as
follows; a rather broad arcuate fascia extending from basal depres-
sion inward to the sutural margin, then outward to the lateral margin
near middle, and nearly the efitire apical half pubescent, with the
anterior margin of pubescent area extending feebly, obliquely back-
ward from the suture near middle to the lateral margin.

Abdomen beneath obsoletely granulose, sparsely punctate, the punc-
tures connected transversely by more or less distinct sinuate lines
toward the sides, sparsely clothed with short, recumbent, whitish

2305—28——_14

204. BULLETIN 145, UNITED STATES NATIONAL MUSEUM

hairs, and with an obsolete pubescent spot at sides of third segment;
first segment feebly convex, without a median groove; last segment
broadly rounded at apex; vertical portions of the first segment
slightly more pubescent than rest of segments; pygidium sparsely
punctate, and without a projecting carina. Prosternum obsoletely
granulose, sparsely punctate, and clothed with a few rather long,
recumbent, whitish hairs; prosternal lobe broad, feebly declivous,
and broadly, but not deeply, arcuately emarginate in front; pros-
ternal process broad, the sides strongly expanded behind the coxal
cavities, and the apex subtruncate, with an acute tooth at middle.
Sides of mesosternum and metasternum more or less densely pubes-
cent. ‘Tibiae slender, nearly straight, and the anterior and middle
pairs armed with a small tooth on inner margin at apex. Posterior
tarsi distinctly shorter than tibiae, and the first joint about as long as
the following three joints united. Tarsal claws dissimilar, anterior
ones cleft near tip, and the teeth nearly equal in length; middle, and
posterior claws cleft near middle, the inner tooth broad, much shorter
than the outer one, and not turned inward.

Female.——Differs from the male in havings the head uniformly
cupreous brown, the lateral margins nearly parallel, front about
equal in width at bottom and top, and the surface not so distinctly -
rugose; prosternum smoother; tibiae without a distinct tooth at apex,
and the tarsal claws cleft near the middle on all feet.

Length, 3-3.5 mm.; width, 0.85-1 mm.

Type locality —San Diego, Tex.

Other localities —Texas; Zavalla County, Nueces River; Sabinal;
Devil’s River; Del Rio; New Braunfels.

Type, allotype, and paratypes—Cat. No. 41001, U.S.N.M.

Paraty pes —Collection of H. F. Wickham.

Described from 14 specimens (one type), all from Texas. Type,
allotype and one paratype collected at the type locality on May 18,
by EK. A. Schwarz; 4 paratypes collected in Zavalla County, Nueces
River, April 26-27, 1910, by Hunter and Pratt; 2 paratypes collected
at Sabinal, May, 1910, and June 3, 1910, by Pierce and Pratt; 3 para-
types collected at Devil’s River, May 3-5, 1907, by E. A. Schwarz
and F. C. Pratt; one paratype collected at Del Rio, June 22-27, by
H. F. Wickham, and another paratype collected at New Braunfels,
June 16, by the same collector.

This species resembles ornatulus Horn very closely, and is prob-
ably confused with that species in some of the collections. It can,
however, be separately from ornatulus by the pronotum and elytra
being bronzy brown and strongly shining, the anterior pubescent
design on the elytra entire and longitudinally arcuate, and by the
male genitalia having the exterior margin of the lateral lobes
distinctly angulated. ;

NORTH AMERICAN BUPRESTID BEETLES 205
68. AGRILUS ORNATULUS Horn
Figure 49

Agrilus ornatulus Horn, Trans. Amer. Ent. Soc., vol. 18, 1891, pp. 819-320,
pl. 8, fig. 4 CHITTENDEN, U. S. Dept. Agric., Div. Ent., Bull. 22, new ser.,
1900, p. 68.—F Rost and WEtIss, Canad. Ent., vol. 52, 1920, p. 222.—
CHAMBERLIN, Cat. Buprestidae, 1926, p. 73.

Female.—Small, robust, scarcely narrowed posteriorly, and feebly
flattened; head uniformly brownish cupreous; pronotum and elytra
piceous, the former subopaque, and the latter moderately shining,
with a more or less distinct bluish or violaceous tinge (humeri
strongly aeneous), and ornamented with distinct pubescent designs;
beneath piceous, with a distinct bronzy reflection.

Head with the front rather wide, strongly convex, equal in width
at bottom and top, the lateral margins parallel to each other, and
without a distnict median groove; surface finely, densely granulose,
sparsely, coarsely punctate, somewhat longitudinally rugose on occi-
put, and without distinct pubescence; epistoma slightly transverse
between the antennae, clypeal suture elevated, and deeply, broadly,
angularly emarginate in front; antennae extending to middle of pro-
notum, serrate from the fourth joint, and the outer joints slightly
wider than long; eyes rather small, narrowly oblong, broadly rounded
above, and acutely angulated beneath.

Pronotum nearly one-third wider than long, slightly wider at apex
than at base, and widest near apical third; sides broadly rounded
from apical angle to behind middle, then more obliquely narrowed to
the posterior angle, which is slightly projecting and acute; when
viewed from the side the marginal and submarginal carinae are nearly
straight, widely separated anteriorly, and connected to each other
near the base; anterior margin strongly sinuate, with the median lobe
broadly rounded ; base nearly transversely truncate, feebly emarginate
at middle of each elytron, and the median lobe very broadly, but
feebly rounded in front of scutellum; disk moderately convex, feebly,
narrowly concave along the sides, and without median depressions or
prehumeral carinae; surface densely, finely granulose, obliquely
rugose at middle, longitudinally rugose toward the sides, with a few
fine punctures between the rugae, and clothed with short, recumbent,
silvery white pubescence, the hairs indistinct and widely separated
on disk, but becoming denser in the concave area along lateral
margins. Scutellum strongly, transversely carinate, and the surface
finely granulose or reticulate.

Elytra wider than pronotum at base, and equal in width at base
and behind the middle; sides nearly parallel for a short distance be-
hind base, broadly, arcuately constricted in front of middle, broadly,
arcuately expanded behind the middle, then obliquely narrowed to

206 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

the tips, which are separately, rather broadly, obliquely rounded,
and not serrulate; sides of abdomen broadly exposed above; disk
feebly depressed along suture, a vague costa on each side, and with
broad, shallow, basal depressions; surface indistinctly imbricate-
punctate and granulose, each elytron ornated with silvery white
pubescent designs as follows; a small patch in basal depression, an
oblique band behind this at suture, a longitudinal band along suture,
extending to near the middle, bending obliquely outward and back-
ward (sometimes divided), and the apical third entirely pubescent,
the anterior margin of area extending obliquely backward from the
suture at middle to lateral margin near apical third.

Abdomen beneath densely, finely granulose, sparsely punctate, the
punctures denser and connected transversely by sinuate lines at sides
of basal segments, sparsely clothed with short, inconspicuous hairs,
and with a feeble pubescent spot at sides of third segment; first seg-
ment feebly convex, without a median groove; last segment broadly
rounded at apex; vertical portions of first and second segments
densely pubescent; pygidium finely, sparsely punctate, and dis-
tinctly carinate, but the carina not projecting. Prosternum densely
granuilose, sparsely punctate, and clothed with a few short recumbent,
white hairs; prosternal lobe, broad, feebly declivous, and with a
deep, semicircular emargination in front; prosternal process broad.
the sides feebly expanded behind the coxal cavities, and obtusely an-
gulated at apex. Sides of metasternum and mesosternum densely
pubescent and efflorescent. Tibiae slender, straight, and without a
distinct tooth on inner margin at apex. Posterior tarsi distinctly
shorter than the tibiae, and the first joint about as long as the fol-
lowing two joints united. ‘Parsal claws similar on all feet, cleft near
middle, the inner tooth broad, much shorter than outer one, and not
turned inward.

Length, 3.75 mm.; width, 1.12 mm.

Male.—Differs from the female in having the head bright green
in front, becoming brownish black on the occiput, front rather narrow,
shghtly wider at bottom than at top, the lateral margins feebly
narrowed from bottom to vertex, and the surface densely clothed
with long, recumbent, silvery white hairs behind the epistoma; an-
tennae with the outer joints about as long as wide; abdomen more
narrowly exposed above; legs bronzy green on the ventral side, and
the anterior and middle tibiae armed with a small tooth on inner
margin at apex; tarsal claws dissimilar, anterior claws cleft near
the tip, and the teeth nearly equal in length, the middle and posterior
claws cleft near the middle, the inner tooth broad, much shorter
than outer one, and not turned inward.

NORTH AMERICAN BUPRESTID BEETLES 207

Redescribed from the female lectotype, No. 3486, in the Philadel-
phia Academy of Natural Sciences.
Type locality —Southwestern Texas, no definite locality.

DISTRIBUTION
Material examined:

Twxas: Type series (2 females labeled “ Tex.”). Victoria, June 15 (J. D.
Mitchell). Dallas, May 19 (E. S. Tucker). Austin, June 28 ( NE
Columbus, June 3 (Hubbard and Schwarz).

Variations —Scarcely any variation in size, color, or markings
were observed in the material examined.

Host.—Chittenden (1900) writes that EK. A. Schwarz reports it
breeding in huisache (Acacia farnesiana (Linnaeus) Willdenow), but
since none of the Texas specimens have rearing labels attached, this
record may apply either to this species or to lautwellus Fisher, as both
these closely allied species have been collected by Schwarz in Texas.
This host plant record should be verified.

69. AGRILUS DOZIERI Fisher
Figure 50

Agrilus dozieri FisHer, Proc. Ent. Soc. Wash., vol. 20, 1918, pp. 67-68.—
Frost and WEIss, Canad. Ent., vol. 52, 1920, p. 207.—NicoLay, Journ.
N. Y. Ent. Soc., vol. 29, 1921, p. 175 —CHAMBERLIN, Cat. Buprestidae,
1926, p. 59:

Male—Form slightly more slender than that of bi/ineatus (Weber),
and subopaque; head dark green in front, becoming black on the
occiput; pronotum reddish cupreous; elytra black; beneath black,
with a more or less violaceous or cupreous tinge, and slightly more
shining than above.

Head with the front rather narrow, and distinctly wider at top
than bottom, the lateral margins broadly, arcuately constricted be-
hind the epistoma, broadly depressed, the depression deeper and
strongly transverse on vertex, but not as deeply depressed as in
vittaticollis, and with a feeble longitudinal groove extending from
occiput to middle of front; surface obsoletely granulose, finely,
sparsely punctate, densely, irreguiarly rugose in front, becoming
longitudinally rugose on the occiput, and rather densely clothed with
long, recumbent, whitish hairs, except on the occiput; epistoma
slightly transverse between the antennae, and broadly, deeply, arcu-
ately emarginate in front; antennae extending beyond middle of
pronotum, serrate from the fourth joint, and the outer joints longer
than wide; eyes large, rather broadly oblong, and about equally
rounded above and beneath.

Pronotum slightly wider than long, wider at apex than base, and
widest near apex; sides obliquely or feebly, arcuately narrowed from

208 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

apical angles to near base, where they are slightly sinuate; when
viewed from the side the marginal and submarginal carinae are
slightly sinuate, rather narrowly separated anteriorly, and connected
to each other behind the middle; anterior margin strongly sinuate,
with the median lobe strongly, broadly rounded; base feebly, trans-
versely sinuate to the median lobe, which is feebly emarginate in
front of the scutellum; disk moderately convex, the median line with
a feeble, broad, anterior and posterior depression, with a broad, deep,
oblique depression on each side along lateral margin extending nearly
to median line, and with sharply defined, long, straight, prehumeral
carinae; surface strongly, not closely, transversely rugose, sparsely,
finely punctate between the rugae, and clothed with a median band
of sparsely placed, long, recumbent, yellowish pubescence, which is
often denuded, and a broad band of similar pubescence extending
along lateral margins from apical angles to posterior angles. Scutel-
lum strongly, transversely carinate, and the surface finely, densely
reticulate.

Elytra slightly wider than pronotum at base and slightly wider
at base than behind middle; sides nearly parallel for a short distance
behind base, vaguely, arcuately constricted in front of middle, feebly
expanded behind the middle, then obliquely narrowed to the tips,
which are separately, broadly rounded, and strongly serrulate; sides
of abdomen scarcely exposed above; disk more or less longitudinally
depressed, with a vague indication of longitudinal costa, sutural mar-
gins slightly elevated posteriorly, and with broad, deep basal depres-
sions; surface densely, coarsely granulose, and sparsely, uniformly
clothed with short, inconspicuous hairs.

Abdomen beneath obsoletely reticulate, finely punctate, the punc-
tures more or less connected transversely by sinuate lines, sparsely
placed on median part, denser at the sides, becoming coarsely scabrous
on the two basal segments, and sparsely clothed with short, incon-
spicuous hairs; first segment feebly, longitudinally concave at middle;
last segment broadly rounded at apex; vertical portions of the seg-
ments densely clothed with long, recumbent, yellowish pubescence;
pygidium sparsely, coarsely punctate, strongly carinate, but the
carina not projecting. Prosternum finely, densely punctate or granu-
lose, and sparsely clothed with long, erect, fine hairs; prosternal lobe
broad, moderately declivous, and broadly, rather deeply, arcuately
emarginate in front; prosternal process broad, the sides nearly paral-
lel to behind the coxal cavities, then abruptly narrowed to the apex,
which is acute. Posterior coxae with the posterior margin feebly,
transversely sinuate, and the exterior angle rectangular. Tibiae
slender, and the anterior and middle pairs armed with a distinct
tooth on inner margin at apex. Posterior tarsi as long as the tibiae,
and the first joint as long as the following joints united. Tarsal

NORTH AMERICAN BUPRESTID BEETLES 209

ciaws dissimilar, anterior and middle claws cleft near the tip, and
the teeth nearly equal in length; posterior claws cleft near the middle,
the inner tooth broad, shorter than outer one, and not turned inward.

Length, 6.5 mm.; Sage 1.35 mm.

Female. sBiions from the male in having the front of head red-
dish cupreous; antennal joints 6 to 11 as wide as long; prosternum
more sparsely punctured, sometimes transversely rugose, and with-
out long, erect pubescence; first abdominal segment not depressed
at middle; anterior and middle tibiae armed with an indistinct
tooth at apex, and the tarsal claws similar on all feet, cleft near the
middle, the inner tooth broad, shorter than outer one, and not
turned inward.

Length, 5.25 mm.; width, 1.25 mm.

Redescribed from the male type and female allotype (Cat. No.
21708) in the United States National Museum.

Type locality —Gainesville, Florida.

DISTRIBUTION

Frorma: Gainesville, March 27, 1917 (H. L. Dozier). Archer, March 28
(A. Koebele). Enterprise, June 17 (Hubbard and Schwarz). Sanford,
May 12 (J. A. Reeves).

Variations—No variation worthy of note has been observed in
the specimens examined except in size, which varies from 6 to 8
millimeters in length.

Host—The larval habits are unknown, but since H. L. Dozier
collected the adults abundantly on the foliage of ironwood or hop-
hornbeam (Ostrya virginiana (Miller) Koch), it is probably the
host plant for the larvae of this species. Under the description of
this species the adults were recorded as having been collected on
blue beech which was incorrect, but should have been hop-hornbeam.

This species is rare in collections but Dozier reports it fairly
abundant on the foliage of hop-hornbeam. It resembles vittaticollis
and audax but is more slender than either of these two species. It
also differs from both these species by not having the pygidium
carinate, and by having the posterior angles of the pronotum str ongly
carinate in both sexes, whereas in vittaticollis and audaz there is no
trace of carinae.

70. AGRILUS VIRIDIS var. FAGI (Ratzeburg)®
Figure 51

Buprestis fagi Rarzesure, Forst-Insecten, pt. 1, 1839, pp. 63-64, pl. 2,
fig. 8.

’ Dr. Jan Obenberger (Ann. Zool. Mus. Polonici Hist. Nat., vol. 6, 1927, pp. 211, 219~-
220, 237-239, pl. 5, fig. 9) writes that the species identified as Agrilus viridis variety
fagi Ratzeburg which makes galls on rose stems in America, is Agrilus communis aberra-
tion rwbicola described by Abeille de Perrin, in the Revue d’Entomol., vol. 16, 1897, p. 15,
and is distributed throughout the western, eastern, and southern parts of Europe.

210 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

Agrilus viridis var fagi (Ratzeburg) Grover, Illustr. N. Amer. Ent., 1878,
Coleopt., pl. A, fig. 38 (no text).—WeEtss, Journ. Econ. Ent., vol. 7,
1914, p. 438 (footnote) ; Journ. Econ. Ent., vol. 8, 1915, p. 184; vol. 9,
1916, p. 2183.—ScHAvuruss, Caiwer’s Kiiferbuch, vol. 1, 1916 (6th ed.),
pp. 700-701.—Frost and Weiss, Canad. Ent., vol. 52, 1920, p. 221.—
NicoLay, Journ. N. Y. Ent. Soc., vol. 29, 1921, p. 175—Wetss, N. J.
Dept. Agric., Bur. Statistics and Inspection, Cire. 36, 1921, pp. 9-10,
fig. 10—MutTcHier and WEISS, N. J. Dept. Agric., Bur. Statistics and
Inspection, Cire. 48, 1922, pp. 18-14, fig. 9—Knuzii, Canad. Ent., vol.
54, 1922, pp. 85-86.—F Rost, Bull. Brooklyn, Ent. Soc., vol. 19, 1924,
p. 27.—KNvILL, Ohio State Univ. Studies, vol. 2, no. 2, 1925, p. 47, pl. 9,
fig. 8—Britrron, Conn. Agric. Exp. Sta., Bull. 275, 1926, p. 325, pl. 19,
fig. a—-CHAMBERLIN, Cat. Buprestidae, 1926, p. 85——WEeELLS, Ent. News,
vol. 37, 1926, p. 256.—BritTron and ZaAppr, Conn. Agric. Exp. Sta.,
Bull. 292, 1927, p. 158, pl. 18, fig. b.

Buprestid. Wnapirr, N. J. Agric. Exp. Sta., Ent. Rept. for 1913 (1914),

p. 657.
Agrilus politus Wriss (not Say), Journ. Heon. Ent., vol. 7, 1914, pp.
438-440.

Agrilus viridis WEIss (not Linnaeus), Hnt. News, vol. 28, 1916, pp. 287,
426—PIirErcr, U. 8S. Dept. Agric., Man. Dangerous Ins., 1917, pp. 150-
151—FeEt, 35th Rept. N. Y. State Ent. for 1921 (1928), p. 118;
Man. Tree and Shrub Ins., 1924, pp. 64-65.

(Bibliography not complete for the European literature. )

Male.—¥orm small, rather slender and moderately flattened above;
head green in front, becoming more cupreous on occiput; pronotum
and elytra olivaceous bronze, with a more or less distinct cupreous
tinge; beneath slightly more shining than above.

Head with the front rather wide, feebly convex, distinctly wider
at top than bottom, lateral margins nearly parallel from top to middle,
then strongly, obliquely narrowed to the bottom, aud with a feeble,
longitudinal groove extending from the occiput to vertex; surface
densely, coarsely punctate, coarsely rugose, the rugae confused on
the front, but becoming longitudinal on the occiput, and clothed
with a few inconspicuous hairs; epistoma transverse between the
antennae, and broadly, deeply emarginate in front; antennae extend-
ing to about middle of pronotum, serrate from the fourth joint, and
the outer joints distinctly wider than long; eyes rather large, rather
broadly oblong, and about equally rounded above and beneath.

Pronotum one-half wider than long, about equa! in width at base
and apex, and widest near apical fourth; sides obliquely or feebly,
arcuately expanded from base to apical fourth, then arcuately nar-
rowed to the apical angles; when viewed from the side the marginal
carina is slightly sinuate, the submarginal one nearly straight, the
two carinae widely separated anteriorly, and connected to each other
near the base; anterior margin feebly sinuate, and the median lobe
scarcely developed; base slightly emarginate at the middle of each
elytron, the median lobe broadly rounded, and subtruncate in front of

NORTH AMERICAN BUPRESTID BEETLES at

scutellum; disk moderately convex, sometimes with two obsolete
median depressions, a broad, shallow depression on each side along
lateral margin at middle, and with a short, feebly arcuate prehumeral
carina; surface densely, transversely rugose, and rather densely,
finely punctate between the rugae. Scutellum strongly, transversely
carinate, and the surface finely, densely reticulate.

Elytra slightly wider than pronotum at base, and about equal in
width at base and just behind the middle; sides feebly, arcuately
rounded behind the base, broadly, arcuately constricted in front of
middle, broadly, arcuately expanded behind the middle, then ob-
liquely narrowed to the tips, which are separately, broadly rounded,
and minutely serrulate; sides of abdomen narrowly exposed above;
disk feebly flattened, sutural margin strongly elevated posteriorly,
and with broad, deep basal depressions; surface densely, finely
imbricate-punctate, and glabrous.

Abdomen beneath finely, densely punctate, the punctures connected
transversely by fine, crenulate lines, which are much coarser on the
basal segment, and rather sparsely, evenly clothed with short, recum-
bent, whitish hairs; first segment strongly convex, and without a
median groove; last segment broadly rounded at apex; vertical
portions of the segments not conspicuously pubescent; pygidium
coarsely punctate, but not distinctly carinate. Prosternum coarsely,
densely punctate, somewhat rugose, and rather densely clothed with
long, erect inconspicuous hairs; prosternal lobe broad, moderately
declivous, and broadly rounded in front; prosternal process rather
broad, the sides parallel to behind the coxal cavities, then obliquely
narrowed to the apex, which is narrowly rounded. ‘Tibiae slender,
anterior pair slightly arcuate, and the anterior and middle pairs
armed with a minute tooth on inner margin at apex. Posterior
tarsi distinctly shorter than tibiae, and the first joint about as long
as the following three joints united. Tarsal claws dissimilar, an-
terior and middle ones feebly cleft near the tip, the teeth acute at
tips and nearly equal in length; posterior claws cleft near the middle,
the inner tooth broad, much shorter than the outer one, and not
turned inward.

Female.—Difters from the male in having the head entirely cupre-
ous, usually more uniformly cupreous above and beneath, front of
head broader and more convex; antennae scarcely extending beyond
anterior margin of pronotum; abdomen beneath more convex, shin-
ing, and the punctures and pubescence finer; prosternum smoother
and without long, erect hairs; tibiae without a tooth at apex, and
the tarsal claws similar on all feet, cleft near the middle, and the
inner tooth much shorter and broader than the outer one.

Length, 4-6.25 mm.; width, 1-1.75 mm.

212 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

Redescribed -from material reared from swellings on rose stems
collected in New Jersey.
Type locality—Germany. Present location of type unknown to
the writer.
DISTRIBUTION

In the United States:

Connecticut: Darien, reared (J. D. Bourger). Norwalk (W. E. Britton).

MASSACHUSETTS: Hopkinton, June 7, 1925; Southborough, June 17, 1923 (C. A
Frost).

MicHiegAn: Ann Arbor, reared June 18, 1926 (E. W. Erlanson).

New JERSEY: New Brunswick, May 19; Plainfield, June 4 (A. S. Nicolay).
Elizabeth; Millburn; Rutherford; Springfield; Englewood (H. B. Weiss) ;
Nutley (H. L. Dickerson).

New York: New York City (intercepted in rose stock from France and Hol-
land).

PENNSYLVANIA: West Chester, June; Hrie and Girard (F. M. Trimble) ; Presque
Isle (Craighead and Knull) ; Philadelphia (J. N. Knull).

Variations.—This form is rather constant except in size. The color
varies slightly from olivaceous bronze to brownish cupreous, and the
prehumeral carinae are rather sharply defined in some examples,
whereas in others they are only feebly indicated.

Host.—This variety was described from beech, but the European
host plant records are confused with viridis and its many varieties
and aberrations. In the United States the form described above
makes galls or abnormal swellings on the stems of Rosa rugosa, Rosa
blanda, ao multifiora japonica, Rosa rubrafolia, Rosa natida, Rosa
setigera, Rosa hugonts, and the wild rose (Rosa carolina).

This insect was first discovered in this country during August,
1923, by Harry B. Weiss and E. L. Dickerson while inspecting nur-
series in the northern part of New Jersey, where it had killed a
number of roses. At first it was supposed to be a variation of poliius
Say, but C. A. Frost sent specimens to Charles Kerremans, who re-
pled as follows: “I have examined your Agrilus very carefully and
it seems to be a variety of the European viridis Linn. and it resembles
very closely the variety fagi Ratz., but is smaller. The elytral sculp-
ture and the bronze copper coloration are the same, only the head is
a little more irregular and the front being less smooth. It presents
all of the specific characters of viridis, but fagi is not, on the whole,
as coppery colored as viridis.”

I do not believe this is the true fag? described by Ratzeburg which
breeds in beech in Europe, but I have been unable to get authentically
identified specimens for comparison.

This introduced variety resembles very closely some forms of
politus, and great difficulty will be experienced in separating some
examples from that species, and especially those that have been col-

NORTH AMERICAN BUPRESTID BEETLES 213

lected promiscuously. If it were not definitely known that this
variety had been introduced into this country in rose stalks, it could
easily be placed as a subspecies of politus. In fagi the prosternal
lobe is broadly rounded in front, whereas in politus it is usually
feebly emarginate, but rarely specimens are found in which the
anterior margin is subtruncate, and there will be some difficulty in
separating these examples from fagi. Genitalia with the sides more
parallel than in politus, otherwise they are very similar.

71. AGRILUS POLITUS (Say)
Figure 52

Buprestis polita Say, Ann. Lyc. Nat. Hist. New York, vol. 1, 1825, pp. 251-
252.—LEContTE, Say’s Writings, vol. 1, pp. 387-888 (Bailliére Bros. ed.,
1859 ; Cassino and Co. ed., 1883).

Agrilus politus Say, Trans. Amer. Philos. Soc., vol. 6, new ser., 1836, p. 162.—
LeContTeE, Journ. Acad. Nat. Sci. Phila., vol. 4, ser. 2, 1858, p. 85; Trans.
Amer. Philos. Soc., vol. 11, new ser., 1859, p. 248; Say’s Writings, vol. 2,
p. 596 (Bailliére Bros. ed., 1859; Cassino and Co. ed., 1883).—Horwn,
Trans. Amer, Ent. Soc., vol. 2, 1868, p. 124.—Prrrit, Canad. Hnt., vol. 2,
1870, p. 102—ProvaANcHER, Petite Faune Hntomologique du Canada,
vol. 1, Les Coleopteres, 1877, p. 359-360.—HuspBarp and ScHwarz, Proc.
Amer. Philos. Soe., vol. 17, 1878, pp. 636, 656.—GLover, Illustrations
North Amer. Ent., Coleopt., 1878, pl. 11, fig. 2 (no text).—LeCont®, Bull.
U. S. Geol. and Geog. Survey, vol. 5, 1879, p. 504.—ZrscuH and REINECKE,
North Amer. Ent. (Buffalo, N. Y.), vol. 1, 1880, p. viimLueaer, Psyche,
vol. 4, 1884, p. 208. (This is egenws Gory.) —CHITTENDEN, Ent. Amer.,
vol. 5, 1889, p. 220.—BLANcHARD, Ent. Amer., vol. 5, 1889, p. 32.—Horn,
Trans. Amer. Ent. Soc., vol. 18, 1891, pp. 315-816, pl. 8, fig. 7—HoprxkIns,
W. Va. Agric. Exp. Sta., Bull. 32, 1893, p. 184.—Fatt, Ent. News, vol. 5,
1894, p. $8.—Evans, Canad. Ent., vol. 27, 1895, p. 146—HamMILTon,
Trans. Amer. Ent. Soc., vol. 22, 1895, p. 364—WickHAM, Bull. Lab.
Nat, Hist., State Univ. Iowa, vol. 3, no. 3, 1895, p. 38; Proc. Davenport
Acad. Nat. Sci., vol. 6, 1896, p. 152 (Author’s edition).—CocKERELL, New
Mex. Agric. Exp. Sta., Bull. 28, 1898, p. 152.—Hvans, Canad. Ent., vol.
31, 1899, p. 321.—CHITTENDEN, U. S. Dept. Agric., Div. Ent., Bull. 22,
new ser., 1900, p. 68 (part) —SmirH, 27th Rept. N. J. State Board
Agric. for 1899 (1900), suppl., p. 257.—Fatt, Calif. Acad. Sci., Occa-
sional Papers, no. 8, 1901, pp. 23, 120.—U.Lxker, Proc. U. 8. Nat. Mus.,
vol, 25, no. 1275, 1902, p. 47—Knaus, Ent. News, vol. 13, 1902, p. 148.—
SKINNER, Trans. Amer. Ent. Soc., vol. 29, 1902, p. 40—WickHAM, Bulil.
Lab. Nat. Hist., State Univ. Iowa, vol. 5, no. 3, 1902, p. 269 (part).—
Young, 18th Rept. N. Y. State Ent. for 1902 (1903), p. 157.—Fe tt, N. Y.
State Mus., Mem. 8, vol. 2, 1906, pp. 729, 741 (part).—( ) Bull. Br.
Columbia Hnt. Soc., no. 2, 1906, p. 4 (reprint 1926).—F aL, Ent. News,
vol. 17, 1906, p. 168.—F att and CocKErRELL, Trans. Amer. Wnt. Soc., vol.
33, 1907, p. 181.—WickHAM, Bull. Lab. Nat. Hist., State Univ. Iowa,
vol. 6, no. 2, 1909, p. 28 (Author’s edition).—Hasron, Psyche, vol. 16,
1909, p. 50.—BLatcHiEy, Coleoptera of Indiana, 1910, pp. 801—S802.—
SmitH, Ann. Rept. N. J. State Mus. for 1909 (1910), p. 295.—Frost,
Canad. Hnt., vol. 44, 1912, p. 248.— Gipson, 43d Rept. Ent. Soc. Ontario

214

BULLETIN 145, UNITED STATES NATIONAL MUSEUM

for 1912 (1913), p. 126 (separate p. 14).—Manesg, Ent. News, vol. 24,
1913, p. 171.—WoopwortH, Guide to California Insects, 1918, p. 194
(part).—Wetss, Journ. Econ. Ent., vol. 7, 1914, pp. 488-440. (This is
fagi Ratzeburg.)—CutLps, Monthly Bull. Calif. State Comm. Hort., vol.
8, 1914, pp. 150-155, figs. 54-56. (This is angelicus Horn.)—Essie,
Injurious and Beneficial Insects of California, 1915, p. 234, fig. 223
(part angelicus).—Frost, Canad. Ent., vol. 47, 1915, p. 144; Canad.
Ent., vol. 48, 1916, p. 286. (This is pseudocoryli).—FisHER, Canad.
Ent., vol. 49, 1917, pp. 288-289.—NicoLtay, Bull. Brooklyn Ent. Soce., vol.
12, 1917, p. 98.—CHAaAGENON, 9th Rept. Quebec Soc. Protection Plants,
suppl. pt. 8, 1917, p. 219. CHAMBERLIN, Ent. News, vol. 28, 1917, p. 168
(part).—BurKkeE, Journ: Econ. Ent., vol. 10, 1917, p. 3381 (part); U. S.
Dept. Agric., Bull. 487, 1917, pl. 9, fig. 3 (no text)—RuaGeLEs, 17th
Rept. Ent. Minn., 1918, p. 15. (This is arcuatus Say.)—FE.T, N. Y.
State Mus., Bull. 200, 1918, pp. 37, 49, 135 (part).—Brirron, Conn.
State Geol. and Nat. Hist. Survey, Bull. 31, 1920, p. 245.—Frost, Canad.
Ent., vol. 52, 1920, p. 28. (This is psewdocoryli.)—Frost and WEISS,
Canad. Hnt., vol. 52, 1920, p. 220 (part); Canad. Hnt., vol. 52, 1920, p.
247.—KNuwuLL, Ent. News, vol. 31, 1920, p. 10; Canad. Ent., vol. 54, 1922,
p. 85.—MurcHiLeR and WeEtss, N. J. Dept. Agric., Bur. Statistics and
Inspection, Cire. 48, 1922, pp. 9-10. pl. 1, fig. 4 (part).—Frost, Canad.
Ent., vol. 54, 1922, p. 96—WeELLHousE, Cornell Agric. Exp. Sta., Mem.
56, 1922, p. 1106 (part).—HutrcHines, 53d Rept. Ent. Soc. Ontario, 19238,
pp. 44, 45-46, fig. (This is pseudocoryli.)—HatcwH, Mich. Acad. Sci.,
Arts and Letters, vol. 4, 1924, p. 571—CHAMBERLIN, Journ. N. Y. Ent.
Soc., vol. 32, for 1924 (1925), p. 194 (part).—CHapPINn, U. S. Dept. Agric.,
Bull. 1855, 1925, p. 88.—CHAMPLAIN and KNULL, Canad. Hnt., vol. 57,
1925, p. 113 (part ).—KNuLL, Ohio State Univ. Studies, vol. 2, no. 2, 1925,
pp. 47-48 (part}).—Hssia, Insects Western North America, 1926, p. 403
(part )—CHAMBERLIN, Cat. Buprestidae, 1926, pp. 77-78 (part).—F ALL,
Pan-Pacific Entomol., vol. 2, 1926, p. 193.

Agrilus deserius LmContEe, Trans. Amer. Philos. Soc., vol. 11, new ser., 1859,
p. 249.

Agrilus cupreolus LeContTE, Trans. Amer. Philos. Soc., vol. 11, new ser., 1859,
p. 248.

Agrilus plumbeus LeConre, Trans. Amer. Philos. Soc., vol. 11. new ser.,
1859, p. 247.—Pririt, Canad. Ent., vol. 2, 1870, p. 102—HusBarp and
ScHwarz, Proc. Amer. Philos. Soc., vol. 17, 1878, p. 636, 656—OUELLET,
Le Naturaliste Canadien, vol. 29, 1902, p. 120.

Agrilus solitarius Harotp, Coleopterologische Hefte, vol. 5, 1869, p. 124
(new name for desertus LeConte).—GEMMINGER and Haroxp, Cat.
Coleopt., vol. 5, 1869, p. 1445.—FisHer, Canad. Ent., vol. 49, 1917, pp.
288-289.— BURKE, Journ. Econ. Wnt., vol. 10, 1917, p. 331.

Agrilus sp., (——), U. S. Dept. Agric., Yearbook for 1908 (1909), p. 578.

Agrilus canadensis OBENBERGER, Entomol. Blitter, vol. 18, 1917, p. 181
(new synonymy ).—CHAMBERLIN, Cat. Buprestidae, 1926, p. 56.

Agrilus politus var. corylus Gipson (not Horn), 48th Rept. Ent. Soc. On-
tario for 1917 (1918), p. 112. (This is pseudocoryli. )

Agrilus niveiventris WickKHAM (not Horn), Bull. Lab. Nat. Hist., State
Univ. Iowa, vol. 5, no. 3, 1902, p. 269. (Probably politus.)

Male.—¥ orm elongate, rather strongly attenuate posteriorly, feebly
flattened above, and strongly shining; head bronzy green in front,

NORTH AMERICAN BUPRESTID BEETLES 215

becoming aureo-cupreous on the occiput; pronotum and elytra reddish
cupreous, with a more or less aureous tinge; beneath aeneo-cupreous.

Head with the front rather broad, feebly convex, slightly wider at
top than bottom, the lateral margins feebly, arcuately expanded at
middle, and without distinct depressions; surface rather densely,
coarsely punctate, more or less irregularly rugose, the rugae becom-
ing longitudinally on the occiput, and sparsely clothed with short,
whitish hairs; epistoma slightly transverse between the antennae,
and broadly, deeply, arcuately emarginate in front; antennae extend-
ing to apical third of pronotum, serrate from the fourth joint, and the
outer joints wider than long; eyes moderately large, narrowly oblong,
and about equally rounded above and beneath.

Pronotum two-thirds wider than long, shghtly wider at apex
than base, and widest near middle; sides feebly, arcuately rounded
from apical angies to near base where they are parallel to each other;
when viewed from the side the marginal and submarginal carinae are
vaguely sinuate, rather narrowly separated anteriorly, and connected
to each other behind the middle; anterior margin slightly sinuate,
and the median lobe scarcely produced; base slightly emarginate at
middle of each elytron, the median lobe broadly rounded, and sub-
truncate in front of the scutellum; disk moderately convex, with
two broad, vague median depressions, a broad, shallow lateral de-
pression on each side, and with distinct, arcuate prehumeral carinae;
surface coarsely, transversely rugose, finely, sparsely punctate be-
tween the rugae, and sparsely clothed toward the sides with short,
inconspicuous hairs. Scutellum strongly, transversely carinate, and
the surface finely, densely reticulate.

Elytra slightly wider than pronotum at base, and about equal in
width at base and behind middle; sides feebly, broadly constricted in
front of middle, feebly, arcuately expanded behind the middle, more
or less sinuate near the tips, which are separately, rather narrowly
rounded, and strongly serrulate; sides of abdomen narrowly exposed
above; disk slightly flattened above, without a distinct longitudinal
costa, the sutural margins strongly elevated behind the middle, and
with broad, moderately deep basal depressions; surface densely,
coarsely imbricate-punctate, and sparsely clothed with very short
white hairs.

Abdomen beneath obsoletely granulose, sparsely, finely punctate.
more densely toward the sides of basal segment, and sparsely, uni-
formly clothed with short, recumbent, whitish hairs; first segment
convex, and without a median depression; last segment broadly
rounded at apex; vertical portions of segments not conspicuously
pubescent; pygidium sparsely, coarsely punctate, feebly longitudi-
nally carinate, but the carina not projecting. Prosternum sparsely,

216 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

finely punctate, and rather densely clothed with long, very fine, erect
hairs; prosternal lobe broad, strongly declivous, and feebly, broadly,
arcuately emarginate in front; posternal process moderately broad,
the sides parallel to behind the coxal cavities, then obliquely nar-
rowed to the apex, which is acute. Tibiae slender, and the anterior
and middle pairs armed with a short tooth on the inner margin at
apex. Posterior tarsi about as long as the tibiae, and the first joint
as long as the following three joints united. Tarsal claws dissimilar,
anterior and middle ones cleft near the tip, the teeth about equal
in length, and the inner tooth not turned inward; posterior claws
cleft near the middle, and the inner tooth much broader and shorter
than the outer one.

Length, 5.5 mm.; width, 1.125 mm.

Female—Differs from the male in being usually more robust, front
of the head broader, uniformly reddish cupreous, and the lateral
margins more parallel; sides of abdomen more broadly exposed
above; prosternum clothed with short, semierect hairs; tibiae with-
out a distinct tooth at apex, and the tarsal claws similar on all feet,
cleft near the middle, with the inner tooth shorter and broader than
the outer one.

Redescribed from a male collected in Illinois which agrees very
closely with the original description. Since the type of this species
is lost, | am designating this specimen as the neotype, and depositing
it in the United States National Museum collection.

Type localities—Of politus, “ Banks of the Mississippi River”;
type lost. Of desertus, California (Junction of the Colorado and
Gila Rivers) ; type in Museum of Comparative Zodlogy. Of cupre-
olus, Kansas; type in Museum of Comparative Zodlogy. Of
plumbeus, Lake Superior; type in Museum of Comparative Zodlogy.
Of canadensis, Canada; type in Obenberger’s Collection.

Distribution.—This is the most widely distributed species of
Agrilus in North America, as specimens have been examined from
all parts of southern Canada from the Atlantic to the Pacific Ocean,
and from nearly all sections of the United States. It probably will
be found wherever willow occurs.

Variations —This seems to be the most variable North American
species of this genus, but it is just possible that when the habits of
these insects become better known these variations will represent
distinct phytophagic forms. The color varies from golden green to
bluish green, and through all shades of reddish cupreous to plumbeus;
the elytra are glabrous or sparsely, uniformly clothed with whitish
pubescence; the antennae usually have the outer joints wider than
long, but occasionally a specimen is found in which they are scarcely
vider than long; the head is usually without depressions, but some-

NORTH AMERICAN BUPRESTID BEETLES 217

times there are four vague depressions on the front, and a feeble,
longitudinal groove on the occiput; and the prosternal lobe is
broadly emarginate or subtruncate in front. Im some examples the
pronotum is widest at the middle, with the sides arcuately rounded,
whereas in others it is widest at the apical third, and more obliquely
narrowed posteriorly, the depressions are variable in depth, and occa-
sionally the prehumeral carinae are obsolete. Length 4.75 to 8.5
millimeters. The male genitalia are similar in all of the forms
examined.

In a large series of adults from Montana the greater number have
the elytra uniformly pubescent, whereas in a series reared from maple
in Colorado nearly all of the specimens have the elytra practically
glabrous. In a very large series reared from willow in California
the elytra are either pubescent or glabrous, with all forms of inter-
grades. In a series of 36 specimens collected by G. A. Harding on
willow during May and June, on Vancouver Island, all were of a
dark color (none reddish or cupreous), mostly steel blue, with a few
olivaceous green or nearly black examples, and therelytra without
distinct pubescence.

Hosts——This species has been reared from dwarf maple (Acer
glabrum Torrey), striped maple (Acer pennsylvanicum Linnaeus),
white or arroyo willow (Salia lasiolepis Bentham), mountain or
Nuttall willow (Salia scouberiana Barratt), weeping willow (Salix
babylonica Linnaeus), Western black willow (Salix lasiandra Ben-
tham), and probably will attack all species of willow. It has also
been recorded as having been reared from other host plants, but
these records are probably from erroneously identified specimens.

The type of cupreolus (politus No. 11) in the LeConte collection is
a female, 9 millimeters in length, and is of a uniform bronzy cupre-
ous color, with a slight reddish tinge, and rather densely, uniformly
clothed above and beneath with whitish hairs. The type of plumbeus
(politus No. 16) in the LeConte collection is also a female, measuring
7 millimeters in length, the head and pronotum are dark brown, with
a feeble purplish reflection, the elytra are slate colored with a vague
greenish tinge, moderately shining, and uniformly clothed with
white pubescence similar to cwpreolus. The type of desertus (politus
No. 23) in the same collection is also a female, 5.75 millimeters in
length, above bronzy brown, with a distinct purplish or cupreous
tinge, sparsely clothed with white pubescence, but not so densely as
in either cupreolus or plumbeus, and the body beneath is densely
clothed with long, white pubescence, which does not obscure the sur-
face. The name deserfus was previously used by Klug for a species
of this genus from Arabia, so Harold (1869) renamed it solitarius.
Doctor Obenberger has kindly sent me a paratype of his canadensis

218 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

and also a specimen of politus (which is subspecies pseudocoryli

Fisher), with which he compared his canadensis. I have compared

this paratype with the type of plwmbeus and can not find any valid

characters for separating it from that species, which is a synonym
of politus.

From our. present knowledge of the biology of this species we must
consider politus a variable species, with the synonymy as given above,
but there are two forms which seem to be biologically different, which
can be considered as phytophagic subspecies, and which may be
separated from politus as follows:

1. Male with the inner tooth of anterior and middle claws slightly shorter and
broader than the outer one, and slightly turned inward; male with the
front of head of the same color as rest of surface. Host: Hazel (Corylus
Sy) ae ee a ee i pseudocoryli Fisher.

Male with the inner tooth of anterior and middle claws about equal in length
and thickness, and not turned inward; male with front of head green__ 2.

2. Color deep blue or bluish green. Host: Alder (Alnus sp.) —--—~ burkei Fisher.
Color green to cupreous or plumbeus. Host: Willow (Salix sp.) ; maple
(AlCem gS.) eet. 3 ee cee er ons Se Ce ee eee politus Say.

AGRILUS POLITUS PSEUDOCCORYLI, new subspecies

Agrilus politus CHITTENDEN (not Say), U. S. Dept. Agric., Div. Ent., Bull.
22, new ser., 1900, p. 68 (part).—Hssie, Injurious and Beneficial Ins.
of Calif., 1915, p. 234 (part).—Frost, Canad. Ent., vol. 48, 1916, p.
368.— FELT, N. Y. State Mus., Bull. 200, 1918, p. 49—Frosr, Canad. Ent.,
vol. 52, 1920, p. 28.—Frost and WEtss, Canad. Ent., vol. 52, 1920, p. 220
(part).—MutTcHLer and Wetss, N. J. Dept. Agric., Bur. Statistics and
Inspection, Cire. 48, 1922, pp. 9-10 (part).—WzeLLHousE, Cornell Agric.
Exp. Sta., Mem. 56, 1922, p. 1106 (part).—HurcuHines, 53d Rept. Ent.
Soc. Ontario, 1923, pp. 4446, fig —CHAMPLAIN and KNULL, Canad. Ent.,
vol. 57, 1925, p. 113 (part) —KNuL1, Ohio State Univ. Studies, vol. 2, no.
2, 1925, pp. 47-48 (part).—Essic, Insects Western North America, 1926,
p. 403 (part )—CHAMBERLIN, Cat. Buprestidae, 1926, pp. 77-78 (part).

Agrilus politus var. corylus Gipson (not Horn), 48th Rept. Hnt. Soe. Ont.
for 1917 (1918), p. 112.

Agrilus coryli KNuLL (not Horn), Canad. Ent., vol. 54, 1922, p. 85.

Male.—This subspecies so closely resembles polttus that it is deemed
secessary merely to give the differences: Head, pronotum and elytra
uniformly reddish cupreous, with a violaceous tinge; anterior and
middle tarsal claws cleft closer to the middle, the inner tooth shorter
and slightly broader than the outer one, and slightly turned inward,
but the tips distant, and the elytra are usually more or less con-
stricted near the apex. Genitalia similar to those of polztus Say.

Female.—Similar to politus.

Length, 5.5-7.5 mm.; width, 1.25-1.8 mm.

Type locality—lLyme, Connecticut.

NORTH AMERICAN BUPRESTID BEETLES 219

DISTRIBUTION
Material examined:

ConNECTICUT: Lyme, reared (A. B. Champlain, W. S. Fisher). Somers, June
23, 1926 (M. P. Zappe).

ILLtINoIs: La Grange, July 28, 1915 (C. Selinger). Riverside (——).

IowA: HBlma, June 14-80, 1902 ( ). Solon, May 14, 1915 (L. L. Buchanan).
Iowa City, June 12, 1898 (H. F. Wickham).

Kansas: Dougias County, June 28 (R. H. sgt

MASSACHUSETTS: Sherborn, June 12, 1915 (C. A. Frost). Wilbraham, August
4, 1916 (HB. A. Chapin).

MicHIGAN: Detroit (Hubbard and Schwarz).

NEBRASKA: West Point, June, 1888 (L. Bruner).

PENNSYLVANIA: Harrisburg, June 25, 1920 (A. B. Champlain). Hummelstown,
reared (Champlain and Knull).

VirGInIA: Stone Creek, Lee County (Hubbard and Schwarz).

West Vircinta: French Creek (F. E. Brooks).

Type, alloty pe, and paratypes.—Cat. No. 41002, USNM. Para-
types also in the collections of W. Knaus, W. J. hamper Pigs
Frost, J. N. Knull, and the University of Kansas.

Described from a large series of adults (one type), from the locali-
ties listed above.

This subspecies has been reared from galls on Hazel (Corylus ros-
trata and Corylus americana), and the adults have been collected a
number of times on these plants, but have been recorded in the
literature under politus. Obenberger in describing his canadensis
has misidentified this subspecies as politws Say, and probably did not
have the true politus before him at that time. The males have the
genitalia similar to those of politus, and can be separated from that
species by the characters given above, but it will be difficult to sepa-
rate the females, as no valid characters were found for differentiating
them.

AGRILUS POLITUS subspecies BURKEI Fisher

Agrilus burkei Fisumr, Canad. Ent., vol. 49, 1917, pp. 287-289.—Frost and
WEtss, Canad. Ent., vol. 52, 1920, p. 221.—Frost, Canad. Bnt., vol. 54,
1922, p. 96—CHAMBERLIN, Journ. N. Y. Ent. Soc., vol. 32, 1925, p. 194.—
Essic, Insects Western North America, 1926, p. 403—CHAMBERLIN,
Cat. Buprestidae, 1926, p. 56.

Agrilus sp. BurRKE, Journ. Econ. Ent., vol. 10, 1917, pp. 331-332; U. S. Dept.
Agric., Bull. 437, 1917, p. 3, pl. 3, figs. 4-6.

Agrilus politus CHAMBERLIN (not Say), Ent. News, vol. 28, 1917, p. 168
(part).—Burker, Journ, Econ. Ent., vol. 10, 1917, p. 331 (part).—
CHAMBERLIN, Journ. N. Y. Ent. Soc., vol. 32, 1925, p. 194 (part).—
Essie, Ins. Western North America, 1926, p. 403 (part).

Similar to politus, except that it is of a deep blue to bluish green
color, and moderately shining.
Length, 6-9 mm.; width, 1.75-2.5 mm.
Type locality—Placerville, California.
2305—28——15

220 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

DISTRIBUTION
Material examined:

CALIForRNIA: Madera County, Chiquito Creek, 4,100 feet, June 27, 1920 (H.
Dietrich). Sacramento, July, 1922 (B. G. Thompson). Dunsmuir (H. F.
Wickham). Contra Costa County, May 21, 1914 (Leroy Childs). Bair’s
Ranch, Redwood Creek, Humboldt County, June 12 (H. S. Barber). Shasta
County (D. W. Coquillett). Placerville, reared (H. E. Burke).

CANADA: Vancouver Island; Victoria (Hubbard and Schwarz).

Nevapa: Ormsby County, July (C. F. Baker).

OrEcon: La Grange, July 9 (W. J. Chamberlin. )

Wyomine: Medicine Bow, June 23, 1901 (W. Knaus).

Hosts.—This subspecies has been reared by H. E. Burke from
normal, injured and dying white alder (Alnus rhombifolia Nuttall),
and mountain or Poplar-leaf alder (Alnus tenuifolia Nuttall).

72. AGRILUS SINUATUS (Olivier)
Figure 53

Buprestis sinwata OxivreR, Entomol., vol. 2, gen. 32, 1790, no. 100, p. 74, pl.
10, fig. 111; Ene. Method., vol. 5, 1790, no. 122 p. 237.—Hersst, Nat.
Syst. Ins. Kiifer, vol. 9, 1801, p. 253, pl. 153, fig. 1—LATREILLE, Hist.
Nat. Crust. and Ins., vol. 9, 1804, pp. 68-69, no. 56—ScHONHERR, Syn.
Ins., vol. 1, pt. 3, 1817, p. 245, no. 155.—Strurm, Catal. Ins. Sammlung,
1826, p. 105—RarzesurG, Die Forst-Insecten, pt. 1, ed. 2, 1839, p. 64.

Argilus chryseis Curtis, British Ent., vol. 2, 1825, no. 67, pl. 67.

Agrilus sinwatus (Olivier) Sotier, Ann. Hnt. Soc. France, vol. 2, 1833, p.
305.—DEJEAN, Cat. Coleopt., ed. 2, 1833, p. 83; ed. 3, 1837, p. 94—
BorspuvaAL and LAcoRDATRE, Faune Ent. Paris, vol. 1, 1835, p. 610, no.
6.—MANNERHEIM, Bull. Soc. Imp. Nat. Moscou, vol. 10, no. 8, 1837, p.
111.—CasTELNAU and Gory, Mon, Bupr., vol. 2, 1838, Agrilus p. 48, pl.
10, fig. 56—Srurm, Catal. Kifer Sammlung, 1843, p. 63.—WHITE,
Nomenclature Coleopt. Ins. in Brit. Mus., pt. 3, 1848, p. 37.—REDTEN-
BACHER, Fauna Austriaca, Kifer, 1849, p. 287—K1imsENWETTER, Naturg.
Ins. Deut., vol. 4, 1857, pp. 129-130.—Marsrut, L’Abeille, vol. 2,
1866, pp. 445-446—GrmMMINGER and Haroip, Cat. Coleopt., vol. 5,
1869, p. 1445.—Puron, Revue d’Entomologie, vol. 2, 1883, pp. 67-69.—
GonrHe, Rept. Royal Hort. Acad. Geisenheim for 1890-1891 (1892),
pp. 37-41, figs.; Entomol. Nachrichten, vol. 19, 1893, pp. 25-30.—XAm-
BEAU, Revue d’Entomologie, vol. 12, 1893, pp. 91-93—Smitru, Ent.
News, vol. 5, 1894, pp. 811-312, 323; Garden and Forest, vol. 7, 1894, p.
448; Amer. Agric., vol. 55, 1895, p. 85 figs.; Ent. News vol. 6, 1895, p.
196; N. J. Agric. Exp. Sta., Bull. 109, 1895, pp. 18-24, figs. 4-8: N. J.
Agric. Exp. Sta., Ent. Rept. for 1894 (1895), pp. 429-481, 550-561, figs.
37—-41.—Howarp, Insect Life, voi. 7, 1895, pp. 258-260, fig. 26—SmitH,
N. J. Agric. Exp. Sta., Ent. Rept. for 1895 (1896), pp. 368-3872.—
WesstTer, Ohio Agric. Exp. Sta., Bull. 77, 1897, pp. 42-45, figs. 5-6.—
Luecer, Minn. Agric. Exp. Sta., Bull. 66, 1899, p. 145; Minn. Agric.
Exp. Sta., 5th Ann. Ent. Rept., 1899, p. 61, fig. 67—Bracu, Lowe, and
Stewart, N. Y. Geneva Agric. Exp. Sta., Bull. 170, 1899, pp. 429-430.—
SMirH, 27th Ann. Rept. N. J. State Board Agric. for 1899 (1890), suppl.
p. 257, fig. 105; N. J. Agric. Exp. Sta., Ent. Rept. for 1899 (1900), pp.

NORTH AMERICAN BUPRESTID BEETLES D1

429-430, fig. 3—CuirrenpEN, U. S. Dept. Agric, Div. Ent., Bull. 22,
new ser., 1900, p. 68.—Smiru, N. J. Agric. Exp. Sta., Ent. Rept. for 1900
(1901), pp. 482-483; N. J. Agric. Exp. Sta., Bull. 155, 1902, pp. 29-82;
N. J. Agric. Exp. Sta., Ent. Rept. for 1901 (1902), pp. 484-485.— Banks,
U. S. Dept. Agric., Div. Ent., Bull. 34, new ser., 1902, pp. 40-41, figs.
38-39.—F eit, 18th Rept. N. Y. State Hnt. for 1902 (1903), p. 122;
Proc. 24th Ann. Meet. Soc. Prom. Agric. Sci. 1903, p. 44.—SLINGER-
LAND, N. Y. Cornell Agric. Exp. Sta., Bull. 234, 1906, p. 75.—FExt, N. Y.
State Mus., Mem. 8, vol. 2, 1906, p. 504——(——-), Journ. Econ. Ent. vol.
2, 1909, p. 16—Smitu, N. J. State Board Agric., Rept. 37, 1910, p. 188,
fig. 4; Ann, Rept. N. J. State Mus. for 1909 (1910), p. 295; N. J.
State Board Agric., Cire. 28 (no date), pp. 1-2—Hewirr, Canad.
Dept. Agric., Expt. Farm, Bull. 12, ser. 2, 1912, p. 17.—Wertss, Journ.
BHeon. Ent., vol. 7, 1914, p. 251—Brooxs, U. S. Dept. Agric., Journ.
Agric. Research, vol. 3, 1914, p. 184-—SiLincerRLAND and Crosspy, Manual
Fruit Ins., 1914, pp. 230-232, figs. 209-210.—Parrotr and GLascow,
N. Y. State Agric. Exp. Sta., Cir. 44, 1915, pp. 1-2, pl. 1—Guascow,
Journ. Econ. Ent., vol. 8, 1915, p. 15.—Parrott, N. Y. State Dept.
Agric., Bull. 79, 1916, pp. 1019-1021, fig. 301; N. Y. Geneva Agric. Exp.
Sta., Cire. 51, 1916, p. 3. fig.; 15th Proc. N. Y. State Fruit Growers
Assoc., 1916, p. 197; 61st Proc. West N. Y. Hort. Soc., 1916, pp. 120—
121, pl. 1, figs. 1-38.—Scuavuruss, Calwer’s Kiiferbuch, vol. 1, 1916, ed. 6,
p. 702.—F Ext, N. Y. State Mus., Bull. 186, 1916, pp. 78-79, 95.—PARRoTT,
85th Ann. Rept. N. Y. Geneva Agric. Exp. Sta., for 1916 (1917), pp.
453-454, fig. 25—GLascow, Journ. Econ. Ent., vol. 10, 1917, pp. 59-60.—
Piercr, U. S. Dept. Agric., Man. Dangerous Ins., 1917, pp. 5, 169.—
Weiss, N. J. Dept. Agric, Bur. Statistics and Inspection, Cire. 24,
1918, pp. 5-8, figs. 2-3.—Fert, N. Y. State Mus., Bull. 200, 1918, p.
134.— WASHBURN, Injurious Insects, 1918, p. 108—Brirron, Proc. 27th
Ann. Meet. Conn. Pomological Soc., 1918, p. 47; Conn, Agric. Exp. Sta.,
Bull. 208, 1918, p. 361.—Hwapiex, Cook and Wetss, N. J. Dept. Agric.,
Bull. 22, 1919, p. 107.—Drew, Proc. 29th Ann. Meet. Conn. Promologi-
cal Soc., 1920, p. 104—Frost and Weiss, Canad. Ent., vol. 52, 1920, p.
221.—Britron, Conn. Agric. Exp. Sta., Bull. 226, 1921, pp. 193-196, fig.
11.—KNuLL, Canad. Ent., vol. 54, 1922, p. 85—-WeELLHOUSE, N. Y. Cor-
nell Agric. Exp. Sta., Mem. 56, 1922, p. 1108—MutTcHLER and WEISS,
N. J. Dept. Agric., Bur. Statistics and Inspection, Cire, 48, 1922, pp.
11-12; fig. 8—Parrott, N. Y. Dept. Farms and Markets, Bull. 147,
1923, pp. 161-162.—Watkerr, Ent. Monthly Mag., vol. 61, 1925, p. 183.—
KNULL, Ohio State Univ. Studies, vol. 2, no. 2, 1925, p. 47, pl. 1, fig.
23.—CHAMBERLIN, Cat. Buprestidae, 1926, p. 82—Brirron, Conn.
Agric. Exp. Sta., Bull. 285, 1927, p. 168.

Agrilus sp. Smiru, Ent. News, vol. 5, 1894, p. 252.

Agrilus acutipennis Smirn (not Mannerheim) Insect Life, vol. 7, 1894, pp.
189-191; Garden and Forest, vol. 7, 1894, pp. 373-374, fig. 60.

Agrilus anzvius SMITH (not Gory), Canad. Ent., vol. 26, 1894, p. 272.
(Bibliography not complete for the European literature. )

Male—Moderately elongate, strongly attenuate posteriorly, mod-
erately convex, and feebly shining; head bronzy green in front; pro-
notum and elytra reddish cupreous, with a violaceous tinge; beneath
the prosternum is bronzy brown and opaque, rest of surface strongly

bronzy, with a more or less cupreous tinge, and more shining than
above.

222 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

Head with the front wide, nearly flat, slightly wider at top than at
bottom, the lateral margins broadly, arcuately expanded at vertex,
with a narrow, longitudinal groove extending from the occiput to
middle of front, and narrowly, transversely depressed behind the
epistoma; surface densely, coarsely punctate, coarsely rugose, the
rugae more distinct posteriorly, and rather densely clothed with
long, erect, inconspicuous hairs; epistoma feebly transverse between
the antennae, strongly elevated, and with a semicircular emargination
in front; antennae extending to basal third of pronotum, serrate from
the fourth joint, and the outer joints slightly longer than wide; eyes
large, rather narrowly oblong, and slightly more broadly rounded
beneath than above.

Pronotum about one-half wider than long, about equal in width
at base and apex, and widest at middle; sides arcuately expanded to
middle, then strongly, sinuately narrowed to near the posterior
angles, where they are parallel; when viewed from the side the
marginal carina is slightly sinuate anteriorly, the submarginal carina
straight, and the two carinae connected to each other near the base;
anterior margin strongly sinuate, with the median lobe broadly
rounded; base strongly emarginate at the middle of each elytron,
the median lobe broadly rounded, and truncate in front of scutellum ;
disk moderately convex, broadly, obsoletely, transversely depressed in
front of middle and toward the base, a broad, shallow depression on
each side along lateral margin, extending from middle to base, and
with a distinct, arcuate prehumeral carina, extending from base to
near the middle; surface densely, finely, transversely rugose, finely,
densely punctate between the rugae, and clothed with a few short,
inconspicuous hairs. Scutellum strongly, transversely carinate, and
the surface finely, densely reticulate.

Elytra distinctly wider than pronotum at base, and slightly wider
at base than behind the middle; sides nearly parallel for a short
distance behind the base, feebly, arcuately constricted in front of
middle, arcuately expanded behind the middle, then obliquely nar-
rowed to the tips, which are separately, narrowly rounded, and
strongly serrulate; sides of abdomen narrowly exposed above; disk
moderately convex, and with broad, deep basal depressions; surface
finely, densely imbricate-punctate, and without distinct. pubescence.

Abdomen beneath finely, densely punctate, the punctures connected
transversely by more or less distinct sinuate lines toward the sides,
more coarsely on the basal segment, and rather densely, uniformly
clothed with short, recumbent, whitish hairs; first segment feebly
convex, without a median groove; last segment broadly rounded at
apex; vertical portions of segments not conspicuously pubescent;
pygidium strongly carinate, but the carina not projecting. Pro-

NORTH AMERICAN BUPRESTID BEETLES 223

sternum densely, finely granulose, with numerous small asperities,
and rather densely clothed with short, erect, inconspicuous hairs;
prosternal lobe broad, strongly declivous, and with a deep semi-
circular emargination in front; prosternal process broad, the sides
parallel to behind the coxal cavities, then obliquely narrowed to the
apex, which is rather acute. Tibiae slender, straight, and the an-
terior and middle pairs with a small tooth on the inner margin at
apex. Posterior tarsi slightly shorter than tibiae, and the first joint
as long as the following three joints united. Tarsal claws dissimilar,
anterior and middle ones cleft near the tip, and the teeth acute and
nearly equal in length; posterior pair cleft near the middle, the inner
tooth broad, much shorter than the outer one, and not turned inward.

Female.—Differs from the male in being more robust, head reddish
cupreous, with a violaceous tinge, front of head slightly broader.
about equal in width at top and bottom, the lateral margins more
parallel, and the surface not quite so densely pubescent; antennae
extending to middle of pronotum; eyes equally rounded above and
beneath, and the tarsal claws similar on all feet, cleft near the middle,
the inner tooth shorter than the outer one, and feebly turned inward,
bat the tips widely separated.

Length, 7.25-9.25 mm.; width, 1.8-2.75 mm.

Redescribed from specimens collected at Newark, N. J.

Type locality —Of sinuatus, France, “ Provence” (an old province
in the southeastern part, now forming the departments of Bouches
du-Rhone, Basses-Alpes, and eastern part of Vaucluse) ; present loca-
tion of type unknown to writer. Of chryseis, England (between
Brockenhurst and Bottomsley, Hampshire) ; present location of type
unknown to writer.

DISTRIBUTION

Southern Europe and Algeria. In the United States:

Connecticut: Norwalk, Stamford, Greenwich, and New Haven (W. BH. Britton).

New JERSEY: Local in Essex, Union, Middlesex, Bergen, and Monmouth counties
(J. B. Smith and H. B. Weiss).

New York: Southeastern part, in 5 or 6 counties contiguous to the Hudson
River (Parrott and Glasgow).

Variations—None worthy of note, except size, has been observed
in the specimens examined.

Host.—In the United States the larva bores in the sapwood of cul-
tivated pear (Pyrus communis Linnaeus), causing serious injury and
requires two years to mature. It is also recorded as breeding in
thorn (Crataegus sp.). Chamberlin (1926) records red oak (Quercus
rubra Linnaeus), but this is probably incorrect.

This species was first discovered in this country in 1894, at Irving-
ton, N. J., where it was causing serious injury to pear trees

224 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

and was probably introduced about 1884 in pear stock from France
or Germany. At first it was identified as probably anaius Gory or
acutipennis Mannerheim, but during the latter part of the same
year it was identified by J. B. Smith as stnwatus, a European species
not before recorded from this country, but which is very injurious
to pear trees in Europe. The “ Sinuate pear-tree borer” has been
adopted as the common name for this pest by the Association of
Economic Entomologists.

73. AGRILUS COERULEUS (Rossi)

Figure 54

Buprestis coeruleus Rossi, Fauna Htrusea, vol. 1, 1790, p. 407, no. 151.—
Hersst, Nat. Syst. Ins., Kafer, vol. 9, 1801, p. 251, pl. 155, figs. 10a, 100.

Agrilus coeruleus (Rossi) KIESENWETTER, Naturg. Ins. Deut., vol. 4, 1857,
pp. 140-141.—Marseruvt, L’Abeille, vol. 2, 1866, pp. 452-453.—-Scuauruss,
Calwer’s Kiferbuch, vol. 1, 1916 (6th ed.) p. 701, pl. 20, fig. 27-—Moxr-
ZECKI, Troodove na Blg. Prir. D- vo, Sofia, 1921, pp. 117-126, fig.
(Publication not seen. From Rev. Appl. Ent., vol. 10, 1922, p. 92.)—
Frost, Canad. Ent., vol. 54, 1922, p. 96—CHAMBERLIN, Cat. Buprestidae,
1926, p. 57.

Agrilus cyaneus CASTELNAU and Gory (not Olivier), Mon. Bupr., vol. 2,
1838, Agrilus p. 52, pl. 11, fig. 66.

Agrilus amabilis CASTELNAU and Gory, Mon. Bupr., vol. 2, 1838, Agrilus
pp. 52-58, pl. 12, fig. 67.

Buprestis cyanescens RatzEBuRG, Die Forst-Insecten, pt. 1, ed. 1, 1837,
ed. 2, 1889, pp. 61-62, pl. 2, fig. 2.

Agrilus cyanescens (Ratzeburg) REDTENBACHER, Fauna Austriaca, Kiifer,
1849, p. 285.

Agrilus sulcaticeps ABEILLE, Petites Nouvelles Entomologiques, vol. 1, 1869,
no. 11.

(Bibliography not complete for the European literature. )

Male—K¥orm short, rather robust, slightly convex above, feebly
shining, uniformly dark blue to greenish blue, and sometimes with
the head feebly aeneous; beneath black to bluish black and slightly
more shining than above.

Head with the front rather wide, feebly convex, slightly wider at
top than bottom, the lateral margins obliquely expanded from bottom
to top, with a deep, narrow, transverse groove behind the antennal
cavities, a more or less distinct, broad, median depression on front,
and usually with a broad, feeble, longitudinal depression extending
from occiput to middle of front; surface obsoletely granulose,
coarsely, confluently punctate, more or less rugose, especially on
occiput, and glabrous; epistoma slightly transverse between the an-
tennae, wider in front than behind, the lateral margins strongly
elevated, and broadly, feebly emarginate in front; antennae extend-
ing to middle of pronotum, serrate from the fourth joint, and the
outer joints as wide as long; eyes rather large, rather narrowly
oblong, and equally rounded above and beneath.

NORTH AMERICAN BUPRESTID BEETLES 225

Pronotum one-half wider than long, about equal in width at base
and apex, and widest near apical third; sides arcuately rounded from
apical angles to near middle, then more strongly narrowed to the
posterior angles; when viewed from the side the marginal and sub-
marginal carinae are feebly sinuate, widely separated anteriorly, and
the submarginal carina becoming obsolete behind middle; anterior
margin rather strongly sinuate, and the median lobe broadly, arcu-
ately rounded; base strongly, arcuately emarginate at middle of each
elytron, the median lobe broadly rounded, and subtruncate in front
of scutellum; disk feebly convex, with a more or less distinct, median
depression in front of scutellum, a broad, moderately deep depression
on each side along lateral margin extending to base, and with an
elongate elevation in place of the prehumeral carina; surface densely,
deeply rugose, the rugae more or less transverse on the disk, and
sparsely, finely punctate between the rugae. Scutellum moderately,
transversely carinate, and the surface densely, finely reticulate.

Elytra slightly wider than pronotum at base and about equal in
width at base and behind middle; sides nearly parallel for a short
distance behind base, broadly, arcuately constricted in front of
middle, arcuately expanded behind middle, then obliquely narrowed
to the tips, which are separately, very broadly rounded and vaguely
serrulate; sides of abdomen narrowly exposed above; disk slightly
convex, sutural margins slightly elevated posteriorly and with broad,
moderately deep basal depressions; surface densely, finely imbricate-
punctate and without distinct pubescence.

Abdomen beneath densely granulose, finely, sparsely punctate,
becoming transversely rugose on basal segment, and sparsely clothed
with short, inconspicuous hairs, which are longer and more distinct
along posterior margin of last segment; first segment feebly flat-
tened at middle, and the suture between first and second segments
not distinct at sides; last segment broadly rounded at apex; vertical
portions of segments not pubescent and the fourth segment longi-
tudinally carinate; pygidium coarsely punctate, strongly carinate,
but the carina not projecting. Prosternum densely granulose,
sparsely scabrous, and nearly glabrous; prosternal lobe broad,
strongly declivous, and deeply, broadly, arcuately emarginate in
front, and the sides of the emargination forming an acute angle;
prosternal process broad, nearly parallel to behind coxal cavities,
or at most only vaguely expanded, then obliquely narrowed to the
apex, which is acute. Tibiae slender and the anterior and middle
pairs armed with a short tooth on inner margin at apex. Posterior
tarsi distinctly shorter than tibiae and the first joint as long as
the following three joints united. Tarsal claws similar on all feet,
cleft near middle, the inner tooth much shorter than outer one and
not turned inward.

226 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

Female.—Very similar to male, but differs from it in being slightly
more robust, first abdominal segment more convex, and the tibiae
unarmed at apex.

Length, 5.5-6.25 mm.; width, 1.75-2 mm.

Type localities—Of coeruleus, Italy (“ Provinces of Florence and
Pisa, Etruria”). Of cyaneus, Europe. Of amabilis, Germany (Sax-
ony). Of cyanescens, Germany. Of sulcaticeps, France (Basses
Alpes). The present location of the types of all the species listed
above are unknown to the writer.

DISTRIBUTION

In Europe: Austria, Bulgaria, France, Germany, Italy, Portugal,
and Spain.

In the United States:

MASSACHUSETTS: Sherborn, May 28, 1921 (C. A. Frost).
WIsconsin: Sturgeon Bay, July 26, 1920 (Charles L. Fluke).

Variations—None worthy of mention was observed in the few
specimens examined.

Host.—Nothing is known of the larval habits of this species in
America. In Europe Schaufuss (1916) records the larvae as living
in Lonicera nigra, oak, birch, beech, and alder. Mokrzecki (1921)
records the larva as living under the bark of roses (Rosa sp.) in
Bulgaria, and are more or less injurious to these plants.

This species was probably introduced into this country from
Europe, where it is recorded as not being rare. Its occurrence in
this country was first recorded by C. A. Frost (1922), from material
collected by Charles L. Fluke, at Sturgeon Bay, Wis., who reported
it very abundant flying around the wild raspberry bushes, and later
a specimen was collected by C. A. Frost, while sweeping weeds and
grasses in a pasture near Sherborn, Mass. These specimens have
been compared with specimens received from Europe as coeruleus,
and no differences could be found. This species will probably be
confused in collections with the bluish forms of politus, but can be
separated from that species by having the outer joints of antennae
as long as wide.

74. AGRILUS CRATAEGI Frost

Figure 55

Agrilus crataegi Frost, Canad. Ent., vol. 44, 1912, pp. 247-248—Kw1at,
Ent. News, vol. 26, 1915, p. 237.—Frost, Canad. Bnt., vol. 52, 1920, p.
251.—Frost and WErss, Canad. Ent., vol. 52, 1920, p. 222.—KNULL,
Canad. Ent., vol. 54, 1922, p. 85; Ohio State Univ. Studies, vol. 2,
no. 2, 1925, p. 48—CHAMBERLIN, Cat. Buprestidae, 1926, p. 57.

NORTH AMERICAN BUPRESTID BEETLES 297

Agrilus politus Frit (not Say), N. Y. State Mus., Bull. 200, 1918, p. 135.—
Frost and Weiss, Canad. Ent., vol. 52, 1920, p. 220 (part).—
MUTCHLER and WEIss, N. J., Dept. Agric., Bur. Statistics and Inspec-
tion, Cire. 48, 1922, pp. 9-10 (part).—WeELLHovsE, Cornell Agric. Exp.
Sta., Mem. 56, 1922, p. 1106 (part).

Male.—Form rather slender, elongate, and feebly flattened above;
head green in front, becoming brownish cupreous on the occiput;
pronotum and elytra olivaceous bronze, suffused with cupreous,
becoming distinctly reddish cupreous on apical third of elytra, and
moderately shining; beneath reddish cupreous, the legs more aeneous,
and more shining than above.

Head with the front rather wide, nearly flat, shg@htly wider at
top than at bottom, the lateral margins nearly parallel from the top
to middle, then broadly constricted to the bottom, with a distinct
longitudinal groove extending from the occiput to middle of front,
and ending in a slight depression; surface finely, densely granulose,
rather densely, coarsely punctate, longitudinally rugose on the
occiput, and rather densely clothed with moderately long, recum-
bent, whitish hairs anteriorly; epistoma strongly transverse between
the antennae, and broadly, rather deeply, arcuately emarginate in
front; antennae extending to middle of pronotum, serrate from the
fourth joint, and the outer joints about as wide as long; eyes large,
broadly elongate, and about equally rounded above and beneath.

Pronotum one-half wider than long, about equal in width at base
and apex, and widest along apical half; sides nearly parallel from
apical angles to near middle, then vaguely narrowed to the posterior
angles which are rectangular; when viewed from the sides the mar-
ginal and submarginal carinae are sinuate, rather narrowly separated
anteriorly, and connected to each other near the base; anterior mar-
gin feebly sinuate, with the median lobe broadly rounded; base
strongly emarginate at middle of each elytron, the median lobe
broadly truncate in front of scutellum; disk moderately convex, with
two broad, moderately deep median depressions, a broad, moderately
deep depression on each side along lateral margin, and with long,
nearly straight, sharply defined prehumeral carinae, extending
from base to middle of pronotum; surface obsoletely reticulate,
densely, transversely rugose, finely, sparsely punctate between the
rugae, and with a few indistinct hairs in the depressions. Scutellum
transversely carinate, and the surface finely, densely reticulate.

Elytra wider than pronotum at base, and about equal in width at
base and behind the middle; sides feebly rounded behind the base,
feebly, broadly constricted in front of middle, broadly, arcuately
expanded behind the middle, then obliquely narrowed to the tips,
which are separately, rather broadly rounded, and finely serrulate;
sides of abdomen only feebly exposed above; disk feebly convex,

228 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

without distinct longitudinal costae, sutural margins slightly ele-
vated posteriorly, and with broad, moderately deep basal depressions;
surface densely, coarsely imbricate-punctate, and with a few incon-
spicuous hairs in the basal depressions.

Abdomen beneath obsoletely reticulate, densely, coarsely, imbricate-
punctate on basal segment, becoming finely, sparsely, punctate,
and more or less imbricate on the other segments, and sparsely, uni-
formly clothed with short, recumbent, white hairs; first segment
feebly flattened, and without a median groove; last segment broadly
rounded at apex; vertical portions of segments not conspicuously
pubescent; pygidium sparsely, coarsely punctate, feebly carinate,
but the carina not projecting. Prosternum finely, densely punctate
and granulose, and densely clothed with long, erect, very fine hairs
at the middle, extending to anterior part of mesosternum; prosternal
lobe broad, moderately declivous, and broadly but not deeply emargi-
nate in front; prosternal process broad, the sides parallel to behind
the coxal cavities, then obliquely narrowed to the apex, which is
acute. Tibiae slender, anterior pair slightly arcuate, and all pairs
armed with a small tooth on inner margin at apex. Posterior tarsi
nearly subequal in length to the tibiae, and the first joint about as
long as the following three joints united. Tarsal claws similar on all
feet, cleft near the middle, the inner tooth slightly shorter than the
outer one, and not turned inward.

Length, 6 mm.; width, 1.5 mm.

Female.—Differs from the male in having the head entirely
cupreous, about equal in width at top and bottom, lateral margins
nearly parallel, the surface more sparsely punctate, not granulose,
not so distinctly pubescent behind the epistoma, and the median,
longitudinal groove more broadly depressed; eyes slightly more
acutely rounded beneath than above; posterior tarsi distinctly shorter
than tibiae; tibiae without a distinct tooth at apex, and the pro-
sternum without long, erect pubescence at the middle.

Redescribed from the male holotype in the collection of C. A.
Frost.

Type locality—Harrisburg, Pa.

DISTRIBUTION
Material examined:

CANADA: Alberta, Medicine Hat, June 28, 1924 (F. S. Carr).

ILLINOIS: Edgebrook, June 12-July 17; Riverside, June 29 (E. Liljebl:.d).
Elgin, July 4-17, 1920 (M. Bristol). Galesburg ( Ne

IowA: Elma, June 14-30, 1902 ( ). Ames, June 26, 1916 (L. S. Wells).

PENNSYLVANIA: Harrisburg, reared (Fisher and Kirk); June (Champlain and
Knull). Charter Oak, June 22; Hummelstown, June 5 (J. N. Knull).
Chinchilla, July 2 (——).

NORTH AMERICAN BUPRESTID BEETLES 229

Frost (1920) also records it having been taken in Virginia during June by
Nathan Banks (probably near Falls Church). The Highspire, Pa., record
given by Chamberlin (1926) is an error.

Variations —The color above is somewhat variable in different
lights, varying from a reddish cupreous to an olivaceous bronze, with
a more or less reddish reflection, and occasionally is sparsely clothed
with very short, inconspicuous hairs. The sides of the pronotum are
usually nearly parallel to each other along the apical half, but some-
times the pronotum is widest at the middle, with the sides regularly,
arcuately rounded. Length 6 to 8 millimeters.

Host.—Reared from thorn (Crataegus sp.) by W. S. Fisher and
H. B. Kirk.

75. AGRILUS CEPHALICUS LeConte
Figure 56

Agrilus cephalicus LEContTE, Trans. Amer. Philos. Soc., vol. 11, new ser.,
1859, p. 249.—Prrtit, Canad. Hnt., vol. 4, 1872, p. 99.—Horn, Trans.
Amer. Ent. Soc., vol. 18, 1891, p. 336—Frost, Canad. Ent., vol. 44,
1912, pp. 248-250. (Redescription)—JoHNson, Ent. News, vol. 27,
1916, p. 117.—Grsson, 48th Rept. Hnt. Soc. Ontario for 1917 (1918),
p. 112.—KNuLL, Ent. News, vol. 31, 1920, p. 10—Brirron, Conn. State
Geol. and Nat. Hist. Survey, Bull. 31, 1920, p. 244.—Frost, Canad. Ent.
vol. 52, 1920, p. 28.—Frost and Weiss, Canad. Ent., vol. 52, 1920, p.
210.—KNULL, Canad. Ent., vol. 54, 1922, p. 85-—-MuTCHLER and WEISS,
N. J. Dept. Agric., Bur. Statistics and Inspection, Cire. 48, 1922, p. 8—
KNULL, Ohio State Univ. Studies, vol. 2, no. 2, 1925, pp. 48-49, pl. 1,
figs. 20, 29, 830—CHAMBERIIN, Cat. Buprestidae, 1926, p. 60.—CRIDDLE,
57th Rept. Ent. Soc. Ontario for 1926 (1927), p. 54.

Agrilus otiosus StTrompere, Canad, Ent., vol. 26, 1894, p. 36 (part) —
CHITTENDEN, U. S. Dept. Agric., Div. Ent., Bull. 22, new ser., 1900,
pp. 65-66, 68, (part) —Ferxr, N. Y. State Mus., Bull. 180, 1916, p. 117.—
Frost and Wetss, Canad. Ent., vol. 52, 1920, pp. 205-206 (part).—
MuTCHLER and WEISS, N. J. Dept. Agric., Bur. Statistics and Inspection,
Cire. 48, 1922, p. 9 (part) —FeE tT, 35th Rept. N. Y. State Ent. for 1921
(1923), p. 90 (part).

Agriius sp. Hopkins, Insect Life, vol. 4, 1892, p. 258; W. Va. Agric. Exp.
Sta., Bull. 32, 1898, p. 184, (sp. c.); Insect Life, vol. 7, 1894, p. 198
(part).

Female-——F¥orm slender, similar to otiosus, slightly flattened above,
and moderately shining; head uniformly brownish cupreous; prono-
tum and elytra brownish cupreous, and the former feebly aeneous
toward the sides; beneath piceous, with a feeble greenish tinge, and
more shining than above.

Head with the front broad, nearly flat, about equal in width at
top and bottom, the lateral margins feebly, arcuately expanded at
vertex, and with a more or less distinct, broad, longitudinal depres-
sion extending from occiput to middle of front; surface finely,
sparsely punctate, slightly rugose, the rugae irregular on front but

230 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

becoming longitudinal on the occiput, and clothed with a few short,
white hairs behind the epistoma; epistoma transverse between the
antennae, and broadly but not deeply, arcuately emarginate in
front; antennae extending nearly to middle of pronotum, serrate
from the fourth joint, and the outer joints about as wide as long;
eyes large, elongate, and about equally rounded above and beneath.

Pronotum nearly one-third wider than long, slightly narrower at
base than apex, and widest near middle; sides arcuately rounded
from apical angles to near posterior angles, where they are nearly
parallel to each other; when viewed from the sides the marginal
and submarginal carinae are feebly sinuate, and narrowly separated
for their entire length; anterior margin slightly sinuate, and the
median lobe broadly rounded; base slightly emarginate at middle
of each elytron, the median lobe broadly rounded, but feebly pro-
duced in front of scutellum; disk moderately convex, with two round,
moderately deep median depressions, a broad, deep, obliqve depres-
sion on each side along lateral margin at middle, and with very
strongly elevated prehumeral carinae; surface finely, densely granu-
lose, more or less transversely, coarsely rugose, finely, sparsely punc-
tate between the rugae, and clothed with a few short, indistinct hairs.
Scutellum strongly, transversely carinate, and the surface densely,
finely reticulate.

Elytra slightly wider than pronotum at base, and about equal in
width at base and behind the middle; sides nearly parallel for a
short distance behind base, feebly, broadly constricted in front of
middle, broadly, arcuately expanded behind the middle, then obliquely
narrow to the tips, which are separately, broadly rounded, and finely
serrulate; sides of abdomen feebly exposed above; disk slightly
flattened, without a distinct longitudinal costa, the sutural margins
strongly elevated posteriorly, and with broad, moderately dcep, basal
depressions; surface densely, coarsely imbricate-puncture, and early
glabrous.

Abdomen beneath obsoletely granulose, sparsely, finely punctate,
more densely on basal segment, and sparsely, uniformly clothed with
short, recumbent, whitish hairs; first segment feebly flatttmed, and
without a median depression; last segment broadly rounded at apex;
vertical portions of segments not conspicuously pubescent; pygidium
coarsely, sparsely punctate, but not carinate. Prosternum finely,
sparsely punctate, and sparsely clothed with short, recumbent, whit-
ish hairs; prosternal lobe broad, rather strongly declivous, and
broadly but not deeply emarginate in front; prosternal process broad,
the sides parallel to behind the coxal cavities, then obliquely narrowed
to the apex, which is acute. Tibiae slender, nearly straight, and
without a distinct tooth at apex. Posterior tarsi distinctly shorter

NORTH AMERICAN BUPRESTID BEETLES 231

than tibiae, and the first joint as long as the following three joints
united. Tarsal claws similar on all feet, cleft near the middle, the
inner tooth broad, shorter than outer one, and not turned inward.

Length, 5.75 mm.; width, 1.5 mm.

Male—Difters from the female in having the head blue or bluish
green, becoming aeneous or cupreous on the occiput, front slightly
narrower, slightly wider at top than at bottom, the lateral margins
more strongly expanded, and the surface densely, finely granulose,
and densely clothed with long, recumbent, silvery white pubescence
behind the epistoma; antennae extending to middle of pronotum;
abdomen not exposed above; sides of pronotum more greenish; pros-
ternum densely clothed at middle with long, erect, fine hairs, extend-
ing to the middle of the first abdominal segment; all tibiae armed
with a short tooth on inner margin at apex; posterior tarsi slightly
shorter than tibiae; and the legs usually greenish or bluish.

Redescribed from the female cotype (egenus No. 11) in the Museum
of Comparative Zoology.

Type locality.—District of Columbia.

DISTRIBUTION
Material examined:

CoNNEcTIcUT: Lyme, reared (A. B. Champlain). North Branford, June 2-S
(B. H. Walden and M. P. Zappe). Hamden, June 20 (B. H. Walden).

DISTRICT OF COLUMBIA: Kock Creek Park, June 20 (C. E. Burden).

ILLINOIS: Algonquin (Nason). Galesburg, July 9, 1892 (Stromberg).

InDIANA: Lafayette, June 21, 1907 ( Ne

Iowa: Iowa City, June 25, 1915 (Stoner).

Kansas: Coffey County, June (W. J. Brown). Douglas County (F. H. Snow).
Leavenworth County, July 1, 1924 (R. H. Beamer).

Kentucky: Frankfort, June 9, 1889 (H. Soltau).

LovuIsIaANa: Covington, May 28 (H. Soltau).

MARYLAND: Riverside, June (D. H. Blake).

MASSACHUSETTS: Sherborn (C. A. Frost).

MicHican: Grand Ledge (Hubbard and Schwarz).

MINNESOTA: Gull Lake, June 25, 1925 (F. M. Uhler).

Mississippi: Vicksburg (T. L. Casey).

NEBRASKA: Nebraska City, June (——).

NEw JERSEY: New Brunswick, June 15 (A. S. Nicolay).

New York: Hartsdale, reared (M. N. Peck). Staten Island (M. L. Linell).
Oleott, June 5-20 (H. Dietrich). Peekskill, June (Stromberg). Trivoli,
May 27, 1921; Poughkeepsie, May 9—June 1 ( is

NorgtH Carolina: Tryon, reared (W. F. Fiske). Southern Pines, June 14, 1916
(A. H. Manee).

Onto: No definite locality.

OKLAHOMA: Atoka (H. F. Wickham).

PENNSYLVANIA: Inglenook, June 9, 1911; Highspire, June 12-20 (W. S. Fisher).
Hummelstown, June 6-10; State College, June 9; York (J. N. Knull).
Jeannette (H. G. Klages).

TEXAS: No definite locality.

232 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

Viretnia: Veitch, and Falls Church, reared (FF. C. Craighead). Shipman
(H. BE. Burke). Chain Bridge, June 5 (J. C. Bridwell).

WeEsT VIRGINIA: Wood and Monongahela Counties (A. D. Hopkins).

It has also been recorded from Onah, Manitoba; Grimsly, Ontario, and Medicine
Hat, Alberta.

Variations——This species varies in color from a uniform dark
cuperous brown to nearly black, with the pronotum, of various shades
of bronzy green. The sides of the pronotum show considerable
variation in shape, and the length varies from 4.5 to 5.75 millimeters.

Host.—Although the adults have been collected on various plants,
the larvae seem to be restricted to the dogwood (Cornus florida Lin-
naeus), as the species has been reared a number of times by different
workers from this host plant.

This species resembles otiosus Say and egenus Gory very closely.
but it can be distinguished from otéosus and the allied species by
having the tarsal claws broadly toothed and the inner tooth not
turned inward. It can be separated from egenus by having the
antennae serrate from the fourth joint, whereas in that species they
are serrate from the fifth joint. Agrilus cephalicus was suppressed
as a synonym of egenus by Horn (1891) without any explanation,
and it is entirely unwarranted. In making an examination of the
material in the LeConte collection, numbers 3, 5, 11, and 16 in the
egenus series were found to be cephalicus, of which number 11 bears
the label “ cephalicus LeC.” Chamberlin (1926) considers it a vari-
ety of egenus, but it is a valid species as shown by the antennal
characters.

76. AGRILUS STRIGICOLLIS Fall
Figure 57

Agrilus strigicollis Fat, Canad. Ent., vol. 44, 1912, pp. 41-42—-CHAMBERLIN,
Cat. Buprestidae, 1926, p. 838.

Female orm moderately robust, rather strongly flattened above,
moderately shining, and uniformly aeneous, with a distinct cupreous
tinge, which is slightly more pronounced on pronotum and head;
beneath similar to above, but slightly more shining.

Head with the front rather wide, about equal in width at top and
bottom, the lateral margins nearly parallel to each other from bottom
to top, with a broad, deep concave depression on upper half, which
is connected to a shallow, transverse depression behind the epistoma
by a deep, longitudinal median depression, causing a round gibbosity
on each side below the middle; surface coarsely, closely punctate, the
punctures uniting in some places and forming coarse rugae, and
sparsely clothed behind the epistoma with long, white hairs; epistoma
slightly transverse between the antennal cavities, moderately ele-
vated, and broadly, deeply, arcuately emarginate in front; antennae

NORTH AMERICAN BUPRESTID BEETLES 233

scarcely extending to middle of pronotum, serrate from the fifth
joint, and the outer joints wider than long; eyes rather large, broadly
elongate, and equally rounded above and beneath.

Pronotum about one-fifth wider than long, about equal in width at
base and apex, and widest near apical third; sides feebly obliquely
expanded from posterior angles to apical third, then arcuately nar-
rowed to the apical angles; when viewed from the side the marginal
and submarginal carinae are strongly sinuate, rather broadly sepa-
rated anteriorly, and connected to each other behind the middle;
anterior margin strongly sinuate, and the median lobe strongly,
broadly rounded; base feebly, transversely sinuate to middle of each
elytron, and with a very broadly rounded median lobe; disk moder-
ately convex, median line rather deeply depressed throughout, the
depression broader and deeper posteriorly, with a shallow depression
on each side along lateral margin, and with a vague, obtuse elevation
in place of the prehumeral carina; surface coarsely, deeply, but not
very closely rugose, the rugae wavy and transverse at the middle, but
becoming longitudinal toward the sides, sparsely, finely punctate be-
tween the rugae, and clothed with a few inconspicuous hairs. Scu-
tellum deeply depressed, but not transversely carinate, and the surface
densely reticulate.

Elytra slightly wider than pronotum at base, and about equal in
width at base and behind middle; sides nearly parallel for a short
distance behind base, broadly, vaguely constricted in front of middle,
feebly, arcuately expanded behind middle, then obliquely narrowed to
the tips, which are separately, rather broadly rounded, and finely
serrulate; sides of abdomen feebly exposed above; disk slightly flat-
tened along suture, and forming a vague longitudinal costa on each
side, the sutural margins rather strongly elevated posteriorly, and
with broad, shallow basal depressions; surface densely, coarsely im-
bricate-punctate, and sparsely, uniformly clothed with short, recum-
bent, whitish hairs.

Abdomen beneath finely, obsoletely granulose, rather coarsely, mod-
erately punctate, and moderately clothed with short, recumbent, white
hairs; first segment convex, and without a depression at middle; last
ventral segment with a small emargination at apex; vertical portions
of segments not conspicuously pubescent; pygidium without a pro-
jecting carina. Posternum densely, coarsely punctate, coarsely ru-
gose, and sparsely clothed with rather long, semierect, white hairs;
posternal lobe broad, moderately declivous, and broadly truncate or
vaguely, broadly emarginate in front; prosternal process broad, the
sides parallel to behind the coxal cavities, then obliquely narrowed
to the apex, which is acute. Tibiae slender, and without a tooth on
inner margin at apex. Posterior tarsi distinctly shorter than tibiae,
and the first joint about as long as the following three joints united.

234 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

Tarsal claws similar on all feet, cleft near the middle, the teeth nearly
equal in length, the inner one turned inward, and the tip nearly
touching that of the opposite side.

Length, 9 mm.; width, 2.4 mm.

Male.——Differs from the female in having the antennae extending
to middle of pronotum and the outer joints about as wide as long;
prosternum densely clothed with long, erect, whitish hairs; anterior
and middle tibiae armed with a short tooth on inner margin at apex;
tarsal claws nearly similar on all feet, cleft near the middle, the inner
tooth nearly as long as the outer tooth, moderately turned inward,
and their tips nearly equally separated from each other and the outer
tooth of the claw.

Redescribed from the female holotype in the collection of H. C.
Fall.

Type locality Huachuca Mountains, Ariz.

DISTRIBUTION

ARIZONA: Huachuca Mountains (female holotype) July 14. 1910 (Carl R.
Coolidge). Santa Rita Mountains, male (M. Chrisman).

Variation.—None observed in the two specimens examined.

Host—Unknown.

This species seems to be rare in collections, as only two specimens
have been seen. In general appearance it resembles lacustris Le-
Conte, but it can at once be separated from any of the known species
of the genus by the combination of antennal and tarsal claw char-
acters, as no other species with the antennae serrate from the fifth
joint has the inner tooth of the tarsal claws turned inward.

77. AGRILUS GIBBICOCLLIS Fall
Figure 58

Agrilus gibbicollis Faty, Calif. Acad. Sci., Occasional Papers, no. 8, 1901, p.
241.—F ath and CocKERELL, Trans. Amer. Ent. Soc., vol. 33, 1907, p.
181.—WoopworrH, Guide to California Insects, 1913, p. 195—CHam-
BERLIN, Cat. Buprestidae, 1926, p. 63.

Agrilus mercurius WickHAM, Canad. Ent., vol. 35, 1908, pp. 70-71 (new
synonymy).—FaLti aud CockErELL, Trans. Amer. Ent. Soc. vol. 33,
1907, p. 181.—CHAmBERLIN, Cat. Buprestidae, 1926, p. 70.

Female.—¥ orm robust, subcylindrical, feebly shining, and bronzy
cupreous; pronotum and elytra with longitudinal vittae of yellowish
white pubescence; beneath similar in color to above but more shining.

Head with the front rather wide, only vaguely wider at top than
bottom, the lateral margins nearly parallel to each other, and with a
more or less distinct groove on the occiput and vertex; surface
densely, coarsely punctate, somewhat rugose, and densely clothed
with long, recumbent, brownish yellow pubescence, which nearly

NORTH AMERICAN BUPRESTID BEETLES 235

conceals the sculpture on the front and vertex; epistoma slightly
transverse between the antennae, and broadly, deeply, arcuately
emarginate in front; antennae extending nearly to middle of pro-
notum, serrate from the fifth joint, and the outer joints as wide as
long; eyes moderately large, strongly oblong, and equally rounded
above and beneath.

Pronotum slightly wider than long, shghtly narrower at base than
apex, and widest near apical third; sides arcuately rounded from
apical angles to behind middle, then more obliquely narrowed to
near the posterior angles, where they are strongly sinuate; posterior
angles prominent and slightly acute; when viewed from the side the
marginal carina is sinuate, very strongly, arcuately deflexed ante-
riorly, the submarginal carina slightly sinuate, and the two carinae
widely separated at apical fourth, but connected to each other at
apex and near base; anterior margin feebly sinuate, and with a
prominent, broadly rounded, median lobe; base transversely sinuate,
with the median lobe broadly rounded, and subtruncate in front of
scutellum; disk strongly convex in front, gibbous when viewed in
profile, the basal half broadly, transversely depressed, the depression
extending along the lateral margins to apical fourth, and with feebly
indicated, vaguely sinuate, prehumeral carinae, extending from base
to middle of lateral depressions; surface coarsely, concentrically
rugose, sparsely clothed with short, recumbent whitish hairs, and on
each side a narrow, longitudinal vitta of rather densely placed, re-
cumbent, yellowish white hairs, extending from base to middle of
elytron forward to posterior margin of gibbosity, then obliquely
outward to the apical angles. Scutellum not transversely carinate,
but the surface more or less reticulate.

Klytra about as wide as pronotum at base, and equal in width at
base and behind middle; sides nearly parallel for a short distance be-
hind base, broadly, arcuately constricted near middle, broadly ex-
panded behind middle, then obliquely narrowed to the tips, which are
separately, narrowly rounded, and feebly serrulate; sides of abdomen
very broadly exposed above; disk feebly, longitudinally depressed
along sutural margins, which are feebly elevated posteriorly, and
with broad, shallow basal depressions; surface coarsely imbricate-
punctate, sparsely, uniformly clothed with short, inconspicuous hairs,
and each elytron ornamented with a longitudinal vitta of rather
densely placed, recumbent, yellowish white hairs, extending along
sutural depression from apex to basal depression.

‘.bdomen beneath sparsely, coarsely punctate, becoming more or
less transversely rugose at sides of basal segments, rather densely
clothed with moderately long, recumbent, yellowish white pubescence,

2305—28——16

236 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

and with a longitudinal vitta of more densely placed, silvery white
hairs on each side of the middle; vertical portions of the segments
densely clothed with short, whitish pubescence; first segment convex
at middle; pygidium not distinctly carinate at middle. Prosternum
coarsely, rather densely rugose and punctate, and rather densely
clothed with moderately long, recumbent, whitish hairs; prosternal
lobe broad, strongly declivous, and broadly rounded in front; pro-
sternal process broad, the sides nearly parallel to behind the coxal cavi-
ties, then feebly narrowed to the apex. Tibiae slender, straight, and
unarmed at apex. Posterior tarsi distinctly shorter than tibiae, and
the first joint about as long as the following two joints united. Tarsal
claws similar on all feet, cleft near middle, the inner tooth distinctly
shorter than outer one, and not turned inward.

Length, 7.4 mm.; width, 2.1 mm.

Male.—Differs from the female in having the head narrower in
front, and usually more densely pubescent; antennae extending to
middle of pronotum, and the outer joints vaguely longer than wide;
prosternum densely clothed with long, erect, whitish hairs; first ab-
dominal segment feebly, broadly, longitudinally concave at middle;
anterior and middle tibiae armed with a short tooth on inner margin
at apex; posterior tarsi slightly shorter than tibiae, and the tarsal
claws dissimilar, anterior and middle claws cleft near the tip, the
teeth acute and nearly subequal in length, posterior claws cleft near
middle, the inner tooth broad, shorter than outer one, and not turned
inward.

Redescribed from the type (female) in the collection of Dr. A.
Fényes.

Type localities —Of gibbicollis, San Bernardino, Calif. Of mer-
curius, Deming, N. Mex.; type in collection of H. F. Wickham.

DISTRIBUTION
Material examined:

ARIZONA: Flagstaff, July 3 (Barber and Schwarz). Southern part, August, 1902
(F. H. Snow). Indian Gardens, Grand Canyon, July 13 (H. F. Wickham).

CALIFORNIA: San Bernardino, June, 1897 (A. Fényes). San Diego County (H. C.
Fall). Independence, July 17 (H. F. Wickham).

New Mexico: Deming, July 18-August 18 (H. F. Wickham). Roswell, July 23,
1925 (Rehn and Hebard). Magdalena (Strickler). Koehler, July 238
(D. J. Caffrey). Magdalena Mountains, August, 1894; Socorro County,
August, 1894 (F. H. Snow). Albuquerque, June 27 (H. F. Wickham).

Texas: Loma, July 7, 1908 ( ). Chisos Mountains, Brewster County, June
10-12, 1908 (Mitchell and Cushman). Devil’s River, May 3, 1907 (F. C.
Pratt).

Urau: Zion Canyon, North Fork Virgin River, 4,450 feet, July 26-28, 1921 (W.
Knaus). Chad’s Ranch, July 22 (H. F. Wickham).

Wyromine: Sheridan, July 6, 1896 (R. P. Currie).

NORTH AMERICAN BUPRESTID BEETLES 237

Variations —This species shows considerable variation. The color
is usually bronzy cupreous, but occasionally a specimen is found of
an olivaceous green color. The pubescence on the head and abdomen
varies in length and density, in color from yellowish white to silvery
white, and in well-preserved specimens these pubescent areas are
densely covered with a white efflorescence, which is easily lost by
abrasion. The front of the head is more deeply depressed in some
specimens than in others, and in some examples the prehumeral
carinae are quite distinct, whereas in others they are only feebly
indicated. The gibbosity on the pronotum is also more prominent
in some examples than in others. Length 4.75 to 7.5 millimeters.

Host—The larval habits are unknown, but the adults have been
collected by W. Knaus in Utah on the foliage of scrub oak
(Quercus sp.).

This species can be easily separated from all previously described
species of this genus having the antennae serrate from the fifth joint
by the pronotum being distinctly gibbose. Professor Wickham sent
me the type of his mercurius for study, and suggested that it was
probably the same as gibbicollis described by Fall, but which was
unknown to him at the time he described his species. I have care-
fully compared his type of mercuriuws with the type of gibbicollis
and can not find any specific differences, and, since gibbicollis has
priority, mercurius becomes a synonym of that species. The type of
mercurius is of an olivaceous green color, and has the white efflores-
cence well preserved, which causes the pubescent vittae to stand out
quite prominently.

78. AGRILUS PUBIFRONS, new species

Female.—Form robust, subcylindrical, feebly shining; head and
pronotum cupreous brown; elytra bronzy brown, and each elytron
ornamented with a pubescent vitta extending from basal depression
to apex; beneath cupreous, and more shining than above.

Head with the front rather wide, feebly convex, slightly wider at
top than at bottom, the lateral margins feebly, obliquely expanded
from bottom to top, and with a narrow, obsolete groove extending
from occiput to middle of front; surface rather densely, finely
punctate, coarsely, irregularly rugose, and rather densely clothed
with long, recumbent, whitish pubescence; epistoma slightly trans-
verse between the antennae, and broadly, rather deeply, arcuately
emarginate in front; antennae extending to middle of pronotum,
serrate from the fifth joint, and the outer joints about as wide as
long; eyes not very large, and about equally rounded above and
beneath.

Pronotum nearly one-third wider than long, slightly narrower at
base than apex, and widest near the middle; sides arcuately rounded

238 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

from apical angles to behind the middle, then more strongly nar-
rowed to near the base, where they are parallel, with the posterior
angles feebly projecting outward; when viewed from the side the
marginal carina is strongly sinuate, the submarginal carina feebly
sinuate, the two carinae broadly separated at apical third, and
connected to each other at the base and apex; anterior margin feebly
arcuately rounded, without a distinct median lobe; base feebly emar-
ginate at middle of each elytron, and the median lobe feebly, broadly
rounded; disk moderately convex, with a shallow, oblong, median
depression anteriorly, a broad, shallow, oblique depression on each
side along lateral margin at middle, and with distinct, long pre-
humeral carinae, extending from base to middle, and nearly parallel
with the marginal carina; surface densely, finely granulose, with
vague, irregular, crenulate rugae, sparsely, finely punctate between
the rugae, and sparsely clothed with long, recumbent, whitish hairs
in the lateral depressions and along the inner side of prehumeral
carinae. Scutellum not transversely carinate, and the surface finely,
densely reticulate.

Elytra about as wide as pronotum at base, and about equal in
width at base and apical third; sides feebly sinuate or nearly parallel
for a short distance behind the base, feebly, broadly constricted
in front of middle, broadly, arcuately expanded at apical third, then
obliquely narrowed to the tips, which are separately, rather narrowly
rounded, and finely serrulate; abdomen broadly exposed above; disk
feebly, longitudinally depressed along pubescent vittae, sutural mar-
gins strongly elevated posteriorly, and the basal depressions broad
and very shallow; surface densely, coarsely imbricate-punctate, and
the vittae composed of sparsely placed, moderately long, recumbent,
whitish hairs.

Abdomen beneath finely, sparsely punctate, slightly rugose on
basal segment, and rather densely clothed with moderately long, re-
cumbent, whitish pubescence, the hairs having a tendency of forming
more or less distinct spots at the sides of the segments; first segment
convex at middle, without a median groove; last segment broadly
rounded at apex; vertical portions of segments rather densely pubes-
cent; pygidium without a projecting carina. Prosternum finely,
densely granulose, sparsely, finely punctate, and rather densely clothed
with long, recumbent, whitish pubescence; prosternal lobe broad,
feebly declivous, and broadly, very feebly emarginate in front; pro-
sternal process broad, slightly expanded behind the coxal cavities,
then abruptly narrowed to the apex, which is acute. Tibiae slender,
straight, and without a distinct tooth on inner margin at apex.
Posterior tarsi slightly shorter than the tibiae, and the first joint as
long as the following two joints united. Tarsal claws similar on all

NORTH AMERICAN BUPRESTID BEETLES 239

feet, cleft near the middle, the inner tooth shorter than outer one,
and not turned inward.

Length, 6.5 mm.; width, 1.75 mm.

Male——Unknown.

Type locality.—Pocatello, Idaho.

Other locality—Chad’s Ranch, Utah.

Type—Cat. No. 41004, U.S. N. M. Paratype in the collection of
H. F. Wickham.

Described from two females, the type collected by L. Bruner, and
the paratype, July 22, by H. F. Wickham.

79. AGRILUS OLENTANGYI Champlain and Knull
Figure 59

Agrilus olentangyi CHAMPLAIN and KNUuLL, Ann. Ent. Soc. Amer., vol. 18,
1925, pp. 469-470.—CHAMBERLIN, Cat. Buprestidae, 1926, p. 73.

Male—Form small, moderately elongate, slightly flattened above,
and strongly shining; head bronzy green in front, becoming brownish
cupreous on the occiput; pronotum, elytra, and body beneath bronzy
brown, with a more or less cupreous tinge.

Head with the front broad, slightly convex, about equal in width
at bottom and top, the lateral margins parallel, and with a vague,
longitudinal! depression extending from occiput to epistoma, the de-
pression becoming broader behind the epistoma; surface sparsely,
coarsely, irregularly punctate, somewhat rugose, and clothed with
a few long, scattered, white hairs; epistoma slightly transverse be-
tween the antennae, and broadly, rather deeply, arcuately emarginate
in front; antennae extending beyond middle of pronotum, serrate
from the fifth joint, and the outer joints slightly longer than wide;
eyes large, rather broadly oval, and slightly more acutely rounded
beneath than above.

Pronotum one-fourth wider than long, about equal in width at
base and apex, and widest near middle; sides feebly, arcuately
rounded, slightly more narrowed toward base; when viewed from the
side the marginal and submarginal carinae are nearly straight, widely
separated anteriorly, and connected to each other behind the middle;
anterior margin slightly sinuate, and the median lobe broadly, feebly
rounded; base nearly transversely truncate, feebly emarginate at
middle of each elytron; disk moderately convex, with two broad,
shallow median depressions, a broad, oblique, moderately deep de-
pression on each side along lateral margin, and with sharply defined,
straight prehumeral carinae, extending from posterior angles to
middle of pronotum; surface finely but not densely rugose, the rugae
more or less transverse at middle, sparsely, finely punctate between

240 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

the rugae, and sparsely clothed with short, inconspicuous, white pu-
bescence, the pubescence becoming longer and more distinct at sides.
Scutellum strongly, transversely carinate, and the surface densely.
finely reticulate.

Elytra slightly wider than pronotum at base, and equal in width
at base and behind middle; sides nearly parallel for short distance
behind base, feebly, broadly constricted in front of middle, broadly,
arcuately expanded behind middle, then obliquely narrowed to the
tips, which are separately rounded, and feebly serrulate; sides of
abdomen narrowly exposed above; disk slightly flattened, sutural
margins strongly elevated from basal third to apex, and with broad,
moderately deep basal depressions; surface finely, densely imbricate-
punctate, and sparsely, uniformly clothed with short, recumbent,
white pubescence, except in humeral region, the pubescence slightly
longer on each elytron near suture, forming an indistinct vitta from
basal depression to apex.

Abdomen beneath finely, sparsely punctate posteriorly, more
densely punctate on basal segment, and sparsely clothed with short,
recumbent, white pubescence; first and second segments slightly flat-
tened, and the first finely, densely rugose at middle; last segment
broadly rounded at apex; vertical portions of segments not conspicu-
ously pubescent; pygidium feebly carinate, but the carina not pro-
jecting. Prosternum finely, sparsely punctate, and rather densely
clothed with long, fine, erect hairs, which extend along middle of
body to second abdominal segment; prosternal lobe broad, perpen-
dicularly declivous, broadly and rather deeply emarginate in front,
forming an obtuse lobe at each side; prosternal process broad, the
sides parallel to behind the coxal cavities, then strongly narrowed te
the apex, which is acute. Posterior coxae with the posterior margin
nearly transversely truncate or feebly sinuate, and the exterior angle
rectangular, and not prolonged. ‘Tibiae slender, straight, and the
anterior and middle pairs armed with a short tooth on inner margin
at apex. Posterior tarsi subequal in length to the tibiae, and the first
joint as long as the following three joints united. Tarsal claws
similar on all feet, cleft near the middle, the inner tooth broad, much
shorter than outer one, and not turned inward.

Length, 4.5 mm.; width, 1.125 mm.

Female.—Differs from the male in having the front of head uni-
formly reddish brown, not so deeply depressed behind the epistoma,
eyes more strongly convex laterally, and about equally rounded
beneath and above; pronotum with the sides nearly parallel from
apical angles to basal fourth, then obliquely narrowed to the pos-
terior angles, base more transversely truncate, and the anterior
median depression not so deep; prosternum and median part of body

NORTH AMERICAN BUPRESTID BEETLES 241

without long, erect pubescence; first and second abdominal segments
more convex at middle, and the tibiae unarmed at apex.
Redescribed from the male type in the collection of C. A. Frost.
Type locality —Texas, no definite locality.

DISTRIBUTION
Material examined:
Intinois: Carbondale, May 8, 1925 (T. Frison).
LouIsIANA: Shreveport, April 7, 1909; Tallulah, April 9, 1909 (W. D. Pierce).
OxIo: Columbus, July 4, 1924 (J. N. Knull).
SoutH CAROLINA: Clemson College, May 1-26, 1926 (J. O. Pepper).
Texas: No definite locality (Belfrage Collection). Cypress Mills, April 2
(a

Variations—This species is rather uniform in size and coloration,
but the depressions on the pronotum and pubescence on elytra are
more or less variable. In some examples the front of the head is
rather distinctly longitudinally depressed, whereas in others the
front is convex with scarcely any indications of a depression.

Host.—The larval habits are unknown, but the adults have been
collected by J. O. Pepper in South Carolina on the foliage of oak
(Quercus sp.).

This species was described from a unique male from Texas, and
five females collected by J. N. Knull on vegetation along the Olen-
tangy River, at Columbus, Ohio. It is allied to /acustris LeConte
and can be easily separated from that species by the broadly, deeply
emarginate prosternal lobe, but great care must be taken in using the
pubescent vittae on the elytra for separating it from allied species.

The pubescent vittae are at the best very obsolete, and will be
somewhat misleading to some students. In most of the specimens
examined the surface of the elytra is rather uniformly pubescent,
especially posteriorly. The hairs are distinctly separated, and it
seems that the only indications of vittae are along the basal half,
which is due to the absence of distinct hairs in the humeral region
and for a short distance behind the humeri.

89. AGRILUS MIMOSAE, new species

Female——F¥orm moderately elongate, slightly flattened above, and
feebly shining; above piceous, with a vague cupreous or aeneous
tinge, the head more reddish cupreous in front, and each elytron
with a pubescent vitta extending from basal depression to apex; be-
neath cupreous brown, and more shining than above.

Head with the front rather wide, slightly convex, equal in width
at top and bottom, the lateral margins nearly parallel to each other,
and with a vague, longitudinal groove extending from the occiput
to the epistoma; surface obsoletely granulose, finely, irregularly

242 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

rugose, sparsely punctate between the rugae, and sparsely clothed
with very short, recumbent, white hairs; epistoma not transverse be-
tween the antennae, and broadly, arcuately emarginate in front;
antennae extending to middle of pronotum, serrate from the fifth
joint, and the outer joints shehtly wider than long; eyes rather large,
broadly oblong, and slightly more acutely rounded beneath than
above.

Pronotum about one-fourth wider than long, nearly equal in
width at base and apex, and widest at middle; sides regularly, arcu-
ately rounded from apical angles to near posterior angles, which are
rectangular; when viewed from the side the marginal and submar-
ginal carinae are more or less sinuate, and narrowly separated for
their entire length; anterior margin strongly sinuate, and the median
lobe strongly produced; base feebly emarginate at middle of each
elytron, the median lobe broadly rounded, and vaguely emarginate in
front of scutellum; disk moderately convex, with a vague, longitu-
dinal median depression, a rather deep depression on each side along
lateral margin, and with vaguely indicated prehumeral carinae; sur-
face finely, transversely rugose, the rugae somewhat concentrical on
the disk, sparsely, finely punctate between the rugae, and sparsely
clothed with white hairs in the lateral depressions. Scutellum dis-
tinctly, transversely carinate, and the surface finely, densely
reticulate.

Elytra slightly wider than pronotum at base, and equal in width
at base and behind the middle; sides nearly parallel for a short dis-
tance behind base, feebly, tant constricted in front of middle,
broadly, arcuately expanded behind the middle, then obliquely nar-
rowed to the tips, which are separately, rather broadly rounded, and
finely serrulate; sides of abdomen broadly exposed above; disk feebly
flattened, narrowly depressed along the sutural margins, which are
strongly elevated posteriorly, and with broad, shaliow basal depres-
sions; surface coarsely, densely imbricate-punctate, sparsely, uni-
formly clothed with short indistinct hairs, and each elytron orna-
mented with a narrow vitta of sparsely placed white hairs, extending
from the basal depression to apex.

Abdomen beneath obsoletely granulose, finely, sparsely punctate,
the punctures connected transversely by sinuate lines, which are
coarser on basal segment, and sparsely, uniformly clothed with
short, recumbent, white hairs; first segment convex at middle;
vertical portions of the segments sparsely clothed with moderately
long, white hairs; pygidium finely, sparsely punctate, and not
longitudinally carinate. Prosternum finely, sparsely punctate, and
sparsely clothed with short, white hairs; prosternal lobe broad,
strongly declivous, and broadly subtruncate in front; prosternal

NORTH AMERICAN BUPRESTID BEETLES 243

process rather narrow, slightly expanded behind the coxal cavities,
then abruptly narrowed to the apex, which is acute. Tibiae slender,
and unarmed at the apex. Posterior tarsi distinctly shorter than the
tibiae, and the first joint as long as the following two joints united.
Tarsal claws similar on all feet, cleft near the middle, the inner
tooth broad, shorter than the outer one, and not turned inward.

Length, 4.5 mm.; width, 1 mm.

Male—Unknown.

Type locality —Devil’s River, Tex.

Type.—Cat. No. 41007, U.S.N.M.

Described from a single female, collected at the type locality, May
2, 1907, on Mimosa borealis Gray by BE. A. Schwarz.

81. AGRILUS CHIRICAHUAE, new species
Figure 60

Male—F¥orm small, moderately elongate, slightly flattened above,
and feebly shining; head varying from bluish green to bronzy green,
becoming piceous on the occiput; pronotum and elytra piceous,
sometimes with a feeble cupreous tinge, and each elytron orna-
mented with a more or less distinct pubescent vitta extending from
basal depression to apex; beneath piceous, with a bronzy tinge, and
more shining than above.

Head with the front rather wide, feebly convex, ete equal in
width at top and bottom, the lateral margins eee arcuately
constricted below the middle, and with a feebie, narrow, longitudinal
groove extending from the occiput to the epistoma; surface densely,
finely granulose, rather densely, finely punctate, becoming longi-
tudinally rugose on the occiput, and sparsely, uniformly clothed with
moderately long, recumbent, silvery white hairs; epistoma not trans-
verse between the antennae, and broadly, not deeply, arcuately
emarginate in front; antennae extending to middle of pronotum,
serrate from the fifth joint, and the outer joints about as wide as
long; eyes large, and equally rounded above and beneath.

Pronotum about one-fourth wider than long, slightly narrower at
base than apex, and widest near the middle; sides feebly, arcuately
rounded from apical angles to behind the middle, then more strongly
narrowed to near the base, where they are parallel, with the posterior
angles rectangular or feebly produced outward; when viewed from
the side the marginal carina is feebly sinuate, the submarginal carina
nearly straight, the two carinae rather widely separated anteriorly,
and connected to each other behind the middle; anterior margin
feebly sinuate, and the median lobe not prominent; base feebly
emarginate at middle of each elytron, and the median lobe feebly.
broadly rounded; disk moderately convex, with a more or less dis-

244 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

tinct narrow median depression extending from base to near anterior
margin, a vague depression on each side along lateral margin, and
with distinct, arcuate prehumeral carinae, extending from the pos-
terior angles to near the middle; surface rather finely, transversely
rugose, the rugae more or less longitudinal at the sides, sparsely,
finely punctate between the rugae, and with a few inconspicuous
hairs at the sides. Scutellum strongly, transversely carinate, and
the surface finely, densely reticulate.

Elytra slightly wider than pronotum at base, and about equal in
width at base and apical third; sides nearly parallel for a short
distance behind the base, feebly, broadly constricted in front of
middle, broadly, arcuately expanded behind the middle, then ob-
liquely narrowed to the tips, which are separately, rather broadly
rounded, and finely serrulate; abdomen broadly exposed above; disk
feebly flattened, sutural margins strongly elevated posteriorly, and
with broad, moderately deep, basal depressions; surface coarsely,
densely imbricate-punctate, and each elytron ornamented with a nar-
row vitta of sparsely placed, short, recumbent, white hairs, extending
from the basal depression to apex.

Abdomen beneath finely, sparsely punctate posteriorly, the punc-
tures denser and connected transversely by sinuate lines on basal
segments, and sparsely clothed with short, inconspicuous hairs; first
segment feebly, broadly longitudinally grooved at middle; last seg-
ment broadly rounded or subtruncate at apex; vertical portions of
segments sparsely clothed with moderately long, white hairs; pygi-
dium finely, sparsely punctate, and not longitudinally carinate.
Prosternum finely, sparsely punctate, and sparsely clothed with long,
semierect, whitish hairs; prosternal lobe broad, strongly declivous,
and broadly rounded or subtruncate in front; prosternal process
broad, slightly expanded behind the coxal cavities, then abruptly
narrowed to the apex, which is acute. Tibiae slender, and the ante-
rior and middle pairs armed with a short tooth on inner margin at
apex. Posterior tarsi slightly shorter than the tibiae, and the first
joint as long as the following two joints united. Tarsal claws sim-
ilar on all feet, cleft near the middle, the inner tooth broad, shorter
than the outer one, and not turned inward.

Female.—Differs from the male in having the lateral margins of
head parallel, surface not distinctly granulose, more sparsely punc-
tured, more or less irregularly rugose, the pubescence sparser and
shorter, and the color varying from brownish cupreous to bronzy
cupreous; first abdominal segment convex, and not sulcate at middle;
prosternum smoother, the pubescence sparser and more recumbent,
and the tibiae unarmed at apex.

Length, 3.1-4.25 mm.; width, 0.87-1.12 mm.

Type locality —Williams, Ariz.

NORTH AMERICAN BUPRESTID BEETLES 245

Other localities —Arizona: Prescott, Santa Rita Mountains, Oracle,
Huachuca Mountains, Chiricahua Mountains, and the Pinal Moun-
tains.

Type, allotype, and paratypes.—Cat. No. 41003, U.S.N.M. Para-
types in collections of J. N. Knull and H. F. Wickham.

Described from 10 examples (1 type). The type, allotype, and one
paratype collected at the type locality, June 15—July 1, by Barber
and Schwarz; one paratype collected at Prescott, June 16, by Barber
and Schwarz; one paratype collected in the Santa Rita Mountains on
oak, June 24, one at Oracle on oak, July 6, and one in the Chiricahua
Mountains, July 1, by Hubbard and Schwarz; one paratype collected
in the Huachuca Mountains, July 11, by H. A. Wenzel; and two
paratypes collected in the Pinal Mountains by H. F. Wickham.

82. AGRILUS AENEOCEPHALUS, new species
Figure 61

Male—F¥orm rather slender, slightly flattened above, and moder-
ately shining; head bronzy green; pronotum and elytra cupreous
brown, and each elytron ornamented with a vague pubescent vitta;
beneath bronzy green, and more shining than above.

Head with the front rather wide, nearly flat, about equal in width
at top and bottom, the lateral margins sinuate and vaguely con-
stricted at middle, and with a broad, shallow depression, extending
from the occiput to epistoma; surface densely granulose, coarsely
punctate, more or less rugose, and sparsely clothed with short, recum-
bent, white hairs; epistoma rather narrow between the antennae,
broadly, deeply, arcuately emarginate in front, and the clypeal suture
distinct ; antennae extending to middle of pronotum, serrate from the
fifth joint, and the outer joints as wide as long; eyes rather small,
broadly oval, and about equally rounded above and beneath.

Pronotum about one-fourth wider than long, about equal in width
at base and apex, and widest at middle; sides regularly, arcuately
rounded from apical angles to near the posterior angles, which are
rectangular; when viewed from the side the marginal carina is
shghtly sinuate, the submarginal carina nearly straight, the two
carinae rather narrowly separated anteriorly, and connected to each
other near the base; anterior margin strongly sinuate, and the median
lobe broadly rounded; base feebly emarginate at middle of each
elytron, with the median lobe feebly produced, and subtruncate in
front of scutellum; disk moderately convex, with broad, more or
less distinct median depressions, arranged longitudinally, a broad,
shallow depression on each side along the lateral margin, and with
sharply defined prehumeral carinae; surface finely, transversely ru-
gose, finely, sparsely punctate, and sparsely clothed with short, recum-

246 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

bent, white hairs. Scutellum vaguely, transversely carinate, and the
surface finely, densely reticulate.

Elytra slightly wider than pronotum at base, and equal in width
at base and apical third; sides nearly parallel for a short distance
behind base, broadly, feebly constricted in front of middle, arcuately
expanded behind the middle, then obliquely narrowed to the tips,
which are separately, narrowly rounded, and strongly serrulate; sides
of abdomen broadly exposed above; disk feebly flattened, sutural
margins rather strongly elevated behind the middle, and with broad,
shallow, basal depressions; surface finely, densely imbricate-punc-
tate, sparsely clothed with indistinct hairs, and each elytron orna-
mented with a vague vitta of short white hairs, extending from the
basal depression to apex.

Abdomen beneath finely, sparsely punctate, the punctures more or
less connected transversely by sinuate lines, which are coarser on the
basal segment, and rather densely, uniformly clothed with moderately
long, recumbent, white hairs; first segment feebly, longitudinally
concave, and clothed with longer and more erect hairs at the middle;
vertical portions of the segments rather densely clothed with long,
recumbent, white hairs; pygidium feebly, longitudinally carinate,
but the carina not projecting. Prosternum coarsely, sparsely punc-
tate, more or less rugose, and moderately clothed with long, erect,
white hairs; prosternal lobe broad, strongly declivous, and broadly
subtruncate in front; prosternal process broad, expanded behind the
coxal cavities, then abruptly narrowed to the apex, which is acute.
Tibiae slender, straight, and the anterior and middle pairs armed
with a small tooth on the inner margin at apex. Posterior tarsi about
as long as the tibiae, and the first joint as long as the following two
joints united. 'Tarsal claws similar on all feet, cleft near the middle,
the inner tooth shorter than outer one, and not turned inward.

Length, 5.75 mm.; width, 1.5 mm.

Female.—Differs from the male in being more robust, front of
head shghtly broader, sides of abdomen more broadly exposed above ;
prosternum without long, erect hairs; first abdominal segment convex
at middle, and the tibiae without a distinct tooth at apex.

Length, 8 mm.; width, 2.1 mm.

Type locality—Huachuca Mountains, Ariz.

Other localities —Baboquivaria Mountains, Ariz.

Type—Cat. No. 41008, U.S.N.M. Allotype, collection of J. N.
Knull; paratype, collection of H. C. Fall.

Described from three examples—one male and two females. The
type collected at the type locality by M. Chrisman, the allotype col-
lected at the same locality, July 28, 1907, by J. S. Hine, and the
female paratype collected in the Baboquivaria Mountains, Ariz., by
F. H. Snow.

NORTH AMERICAN BUPRESTID BEETLES 247
83. AGRILUS MALVASTRI, new species
Figure 62

Male—F¥orm robust, slightly flattened above, moderately shining,
uniformly green, with a distinct aureus or aeneous tinge, and each
elytron ornamented with a vague pubescent vitta.

Head with the front rather narrow, nearly flat, slightly wider
at top than bottom, the lateral margins arcuately expanded above
the middle, and with a shallow groove extending from the occiput
to epistoma; surface rather coarsely, irregular rugose, finely, sparsely
punctate, and sparsely clothed with semierect yellowish white hairs;
epistoma narrow between the antennae, and broadly, arcuately emar-
gimate in front; antennae extending to middle of pronotum, serrate
from the fifth joint, and the outer joints about as wide as long; eyes
large, broadly oval, and about equally rounded above and beneath.

Pronotum wider than long, narrower at base than apex, and widest
along apical half; sides nearly parallel or vaguely rounded from
apical angles to near base, where they are strongly sinuate, with
the posterior angles rectangular; when viewed from the side the
marginal and submarginal carinae are strongly sinuate, widely sepa-
rated anteriorly, and connected to each other behind the middle; an-
terior margin moderately sinuate, with the median lobe broadly
rounded; base feebly, arcuately emarginate at middle of each ely-
tron, the median lobe broadly rounded, and subtruncate in front of
scutellum; disk strongly convex, with a vague median depression
anteriorly, a broad, oblique depression on each side along the lateral
margin, extending from apical fourth to base, and with rather dis-
tinct, obtuse prehumeral carinae; surface coarsely, densely scabrous,
sparsely, finely punctate, and sparsely clothed with long, recumbent,
whitish pubescence in the lateral depressions. Scutellum not dis-
tinctly carinate, but the surface more or less rugose, and finely re-
ticulate.

Elytra slightly wider than pronotum at base, and about equal in
width at base and apical third; sides nearly parallel for a short
distance behind base, broadly, vaguely constricted in front of middle.
broadiy arcuately rounded behind the middle, then obliquely nar-
rowed to the tips, which are separately, narrowly rounded, and
feebly serrulate; sides of abdomen narrowly exposed above; disk
slightly flattened, feebly, broadly depressed along the sutural mar-
gins, which are slightly elevated posteriorly, and with broad, shallow
basal depressions, surface coarsely, densely imbricate-punctate,
sparsely, uniformly clothed with short, recumbent, whitish hairs,
and each elytron ornamented with a feebly indicated vitta of simi-
larly colored hairs, extending from basal depression to apex.

248 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

Abdomen beneath sparsely, finely punctate, the punctures connect-
ed transversely by sinuate lines, which are coarser on the basal seg-
ment, and sparsely clothed with short, recumbent, whitish hairs, the
hairs denser and slightly longer at the sides of the last three seg-
ments; first segment slightly longitudinally flattened, and clothed
with slightly longer, semierect hairs at the middle; vertical portions
of the segments rather densely clothed with long, recumbent, whit-
ish hairs; pygidium sparsely punctate, and feebly, longitudinally car-
imate, but the carina not projecting. Prosternum finely, densely
punctate, and rather densly clothed with long, erect, whitish hairs;
prosternal lobe rather narrow, strongly declivous, and subtrunctate
in front; prosternal process rather broad, slightly expanded behind
the coxal cavities then abruptly narrowed to the apex, which is acute.
Tibiae slender, nearly straight, and the anterior and middle pairs
armed with a small tooth on inner margin at apex. Posterior tarsi
distinctly shorter than tibiae, and the first joint as long as the follow-
ing two joints united. Tarsal claws similar on all feet, cleft near
the middle, the inner tooth shorter than outer one, and not turned
inward.

Female.—Difters from the male in having the front of head broad-
er and the lateral margins more parallel to each other; abdomen
more broadly exposed above; first abdominal segment convex, and
not clothed with longer hairs at middle; pubescence on prosternum
more recumbent, and the tibiae without a tooth at apex.

Length, 6.75 mm.; width, 1.75 mm.

Type locality —Meade County, Kans.

DISTRIBUTION

Material examined:

ARIZONA: Hereford, July 28, 1907 (J. S. Hine).

CanaApDsa (Alberta) : Medicine Hat, June 18-July 15, on Malwastrum coccineum
(Pursh) Gray (F. C. Carr).

ContorApo: Trinidad, June 25 (H. F. Wickham).

Kansas: Meade and Seward Counties, May 16; ‘“‘ West. Kan.” (EH. A. Pope:
noe). Douglas, Hamilton, and Clarke Counties (Ff. H. Snow). “ Kan.
Snow ” (Knull collection).

Montana: Poplar, July 13, 1922 (C. C. Sperry). ‘‘ Mon.” (Knull collection).

New Mexico: Mesilla, August 28; Santa Fe, June (JT. D. A. Cockerell).
Lake Burford, June 17, 1918 (A. Wetmore).

Texas: Alpine, July 20-22, 4,400-6,000 feet (H. F. Wickham).

WyomiInc: Medicine Bow, June 23, 6,562 feet (H. F. Wickham).

Type, allotype, and paratypes.—Cat. No. 41005, U.S.N.M. Para-
types in following collections: H. F. Wickham, C. A. Frost,
W. Knaus, F. C. Carr, J. N. Knull, Museum of Comparative Zo-
dlogy, University of Kansas, and the Canadian National Collection
at Ottawa.

NORTH AMERICAN BUPRESTID BEETLES 249

Described from 69 specimens (1 type), all collected at the locali-
ties mentioned above. This large series of paratypes show consider-
able variations, the color varying from bronzy green to cupreous
brown, and the pubescence from white to yellowish white. The
depressions on front of head and middle of pronotum vary consid-
erably in distinctness. In some of the examples examined the pro-
notum is widest along the anterior half and the sides are nearly
parallel from the apical angles to near the base, whereas in others
it is widest at apical third, and the sides are strongly, arcuately
rounded. Length 4.5 to 7 millimeters. F.C. Carr collected a large
series of this species on Malvastrum coccinewm (Pursh) Gray, which
may be the host plant for the larvae.

84. AGRILUS FALLI, new species
Figure 63

Male.—Form rather slender, subcylindrical, and moderately shin-
ing; above olivaceous green, with a rather distinct cupreous tinge,
and each elytron ornamented with a pubescent vitta; beneath bronzy
green, with a slight cupreous reflection and more shining than above.

Head with the front rather wide, feebly convex, slightly wider
at bottom than at top, the lateral margins vaguely expanded from
top to bottom, and with a rather broad, shallow groove extending
from the occiput to near the epistoma; surface densely granulose,
more or less coarsely rugose, and rather densely clothed with long,
recumbent, silvery white hairs; epistoma not transverse between the
antennae, and vaguely, broadly, arcuately emarginate in front;
antennae extending to middle of pronotum, serrate from the fifth
joint, and the outer joints nearly as wide as long; eyes large, broadly
oval, and about equally rounded above and beneath.

Pronotum about as long as wide, shghtly narrower at base than
apex, and widest along apical half; sides nearly parallel to behind
middle, then obliquely narrowed to the posterior angles, which are
rectangular; when viewed from the side the marginal and submargi-
nal carinae are strongly sinuate, widely separated anteriorly, and
connected to each other behind the middle; anterior margin strongly
sinuate, with the median lobe broadly rounded, and rather strongly
produced; base slightly emarginate at middle of each elytron, and
the median lobe broadiy rounded, and subtruncate in front of scu-
tellum; disk strongly convex, without median depressions, but with
a broad, oblique depression on each side along the lateral margin,
and with vaguely indicated prehumeral carinae; surface coarsely,
deeply rugose, or scabrous, finely, sparsely punctate between the
rugae, and sparsely clothed at the sides with long, recumbent white

250 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

hairs. Scutellum not transversely carinate, but the surface more
or less rugose, and finely reticulate.

Elytra about as wide as pronotum at base, and equal in width at
base and apical third; sides nearly parallel from base to apical
third (broadly, vaguely constricted at middle), then obliquely nar-
rowed to the tips, which are separately, rather narrowly rounded,
and coarsely serrulate; sides of abdomen broadly exposed above; disk
longitundinally depressed along the pubescent vittae, sutural margins
shghtly elevated posteriorly, and with broad, shallow basal depres-
sions; surface densely, coarsely imbricate-punctate, sparsely, uni-
formly clothed with short, recumbent, white hairs, and each elytron
ornamented with a vitta of sparsely placed white hairs extending
from the basal depression to apex.

Abdomen beneath finely, sparsely punctate, more or less rugose
on the basal segment, and rather densely clothed with recumbent,
white hairs, which have a tendency toward forming spots at the sides
of the third and fourth segments; first segment slightly flattened,
and clothed with slightly longer and denser hairs at the middle;
vertical portions of the segments rather densely pubescent; pygidium
finely punctate, but not distinctly carinate posteriorly. Prosternum
finely, densely rugose, and densely clothed with long, erect, white
hairs; prosternal lobe rather narrow, strongly declivous, and broadly
truncate in front; prosternal process broad, slightly expanded behind
the coxal cavities, then abruptly narrowed to the apex, which is
acute. Tibiae slender, nearly straight, and the anterior pair armed
with a small tooth on inner margin at apex (middle legs missing).
Posterior tarsi nearly as long as the tibiae, and the first joint as long
as the following two joints united. Tarsal claws on posterior feet
cleft near the middle, the inner tooth broad, shorter than outer one,
and not turned inward (claws on anterior and middle feet missing).

Femaie—Difters from the male in having the prosternum sparsely
clothed with recumbent, white hairs, the first abdominal segment
convex, and not clothed with longer hairs at the middle, and the
tibiae without a distinct tooth on inner margin at apex.

Length, 5.75 mm.; width, 1.3 mm.

Type locality —Nogales, St. Cruz County, Ariz.

Other localities —Downing’s Ranch, Terrell County, Tex.

Type and allotype—IM the collection of H. C. Fall. Paratype,
Cat. No. 41006, U.S.N.M.

Described from three examples (one type). The type and allotype
were collected at the type locality August 12, 1906, by H. C. Fall,
and the female paratype on the Downing’s Ranch, Terrell County,
Tex., May 10, 1912, by J. D. Mitchell. The paratype is smaller than
the types, measuring only 4.5 millimeters in length, but otherwise
they are nearly identical.

NORTH AMERICAN BUPRESTID BEETLES 251
85. AGRILUS ILLECTUS Fall
Figure 64

Agrilus illectus Fatx, Calif. Acad. Sci., Occasional Papers, No. 8, 1901,
p. 242; Ent. News, vol. 18, 1907, pp. 176-177.—WoopworrtH, Guide to
California Insects, 1913, p. 195—CHAMBERLIN, Cat. Buprestidae, 1926,
p. 65; jacobinus p. 67 (part).

Male—F¥orm moderately robust, subcylindrical, slightly flattened
above, and feebly shining; head, pronotum, and elytra brownish
cupreous, with the sides of pronotum and vitta on each elytron
sparsely clothed with short, recumbent, whitish hairs; beneath
cupreous, and more shining than above.

Head with the front rather wide, slightly convex, about equal in
width at top and bottom, the lateral margins feebly expanded near
the middle, and with a moderately deep, broad depression extending
from occiput to epistoma; surface finely, densely granulose, sparsely
punctate, coarsely rugose, especially on the occiput where the rugae
are longitudinal, and the surface nearly concealed by long, re-
ecumbent, whitish pubescence; epistoma slightly transverse between
the antennae, slightly elevated, and broadly, deeply, arcuately emar-
ginate in front; antennae extending to middle of pronotum, serrate
from the fifth joint, and the outer joints about as wide as long; eyes
large, broadly oblong, and about equally rounded above and beneath.

Pronotum slightly wider than long, feebly narrower at base than
apex, and widest along apical half; sides nearly parallel or vaguely
narrowed from near apical angles to behind middle, then more
strongly, obliquely narrowed to the posterior angles, which are rec-
tangular; when viewed from the side the marginal carina is strongly
sinuate, the submarginal carina feebly sinuate, the two carinae rather
widely separated anteriorly, and connected to each other behind the
middle; anterior margin strongly sinuate, and the median lobe
strongly rounded; base feebly emarginate at middle of each elytron,
the median lobe strongly, broadly rounded, and feebly emarginate in
front of scutellum; disk moderately convex, with a broad, shallow,
transverse median depression at apical third, a broad, deep, oblique
depression on each side along lateral margin, and with moderately
distinct, sinuate prehumeral carinae; surface finely, densely granu-
lose, strongly, closely, transversely rugose at the middle, sparsely,
finely punctate between the rugae, and rather densely clothed with
long, recumbent, whitish hairs toward the sides. Scutellum feebly,
transversely carinate, and the surface densely, finely reticulate.

Elytra about as wide as pronotum at base, and slightly wider at
base than behind middle; sides nearly parallel for a short distance
behind base, broadly, arcuately constricted near middle, broadly,

2305—28-——17

252 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

arcuately expanded behind middle, then obliquely narrowed to the
tips, which are separately, rather broadly rounded and feebly ser-
rulate; sides of abdomen broadly exposed above; disk feebly flat-
tened, sutural margins elevated from basal third to apex, and with
broad, shallow basal depressions; surface coarsely, densely imbricate-
punctate, sparsely clothed posteriorly with short, inconspicuous,
white hairs, and each elytron ornamented with a vitta of sparsely
placed, short, recumbent, whitish hairs extending along suture from
basal depression to apex.

Abdomen beneath finely, sparsely punctate, the punctures con-
nected transversely by fine, sinuate lines, and moderately clothed
with recumbent, whitish pubescence; first and second segments
slightly flattened at middle; last segment broadly rounded at apex;
vertical portions of the segments rather densely clothed with long,
recumbent. whitish pubescence; pygidium sparsely punctate, feebly
carinate, but the carina not projecting. Prosternum finely, densely
punctate, and densely clothed with long, erect, whitish hairs, which
extend along middle of body to second abdominal segment; pro-
sternal lobe broad, strongly declivous, and broadly truncate in front;
prosternal process broad, the sides slightly expanded behind the coxal
cavities, then abruptly narrowed to the apex, which is acute. Tibiae
slender, and the anterior and middle pairs armed with a short tooth
oh inner margin at apex. Posterior tarsi distinctly shorter than
tibiae, and the first joint as long as the following two joints united.
Tarsal claws similar on all feet, cleft near the middle, the inner tooth
broad, shorter than outer one, and not turned inward.

Length, 5.5 mm.; width, 1.4 mm.

Female.—Differs from the male in having the front of head
shghtly wider, the lateral margins feebly expanded from bottom to
top, and the pubescence shorter and sparser; first and second ab-
cdominal segments convex, and without longer pubescenee at middle;
pubescence on prosternum shorter and recumbent, and the tibiae
unarmed at apex.

Redescribed from the male type in the collection of H. C. Fall.

Type locality—Pomona, Calif..

DISTRIBUTION

Arizona: Flagstaff, July 5 (Barber and Schwarz).

CALIFORNIA: Pomona, June 25, 1895 (male type) ; Pasadena, June (H. C. Fall).
Poway ( ). Los Angeles County, May (D. W. Coquillett). Arroya
Seco Canyon, San Gabriel Mountains, Los Angeles County, July 26, 1912
( ). Bridgeport, 6,465 feet, July 12-15 (H. F. Wickham).

Variations—The color above varies from reddish cupreous to
bronzy brown; beneath from bronzy green to cupreous, and the
pubescence is more yellowish in some specimens than in others. In

- NORTH AMERICAN BUPRESTID BEETLES 253

some examples the pronotum is widest at the middle, the sides are
arcuately rounded, and the marginal and submarginal carinae are
separated for their entire length. The median depression on the
pronotum is more or less variable, and the scutellum is usually
strongly, transversely carinate, but in a few examples the carina is
only feebly indicated as in the type. Length 5.5 to 7.5 millimeters.

Host—Unknown.

This species is very closely allied to jacobinus Horn, which is out
of place in Horn’s table, it being assigned to the section having the
antennae serrate from the fourth joint, whereas the serration begins
at the fifth joint. This error was discovered by Fall (1907), and
thinking that it was the same species as his d/ectus, placed his species
as a synonym of jacobinus. There will be some difficulty in separat-
ing these two species, but @/ectus is a valid species and has the pro-
notum more or less depressed at the middle and the surface is usually
transversely rugose, the scutellum is feebly, transversely carinate,
the pubescent vittae on the elytra are rather distinct, and the pos-
terior margin of the hind coxae is strongly sinuate, whereas in
jacobinus the pronotum is convex, without any median depressions,
and the surface is usually densely scabrous, the scutellum is not
transversely carinate, the pubescent vittae on the elytra are obsolete,
and the posterior margin of the hind coxae is regularly, arcuately
emarginate. The males of the two species can be readily separated
by the genitalia.

86. AGRILUS SIERRAE Van Dyke

Agrilus sierrae VAN Dyxkf®, Bull. Brooklyn Ent. Soe., vol. 18, 1923, pp. 40—
41. CHAMBERLIN, Cat. Buprestidae, 1926, p. 81.

Male—F¥orm similar to abditus Horn, but slightly larger and
feebly shining; head bronzy green in front, but becoming more
brownish on the occiput; pronotum and elytra uniformly bronzy
brown; beneath slightly more bronzy green and more shining than
above.

Head with the front rather wide, slightly convex, and about equal
in width at top and bottom, the lateral margins nearly parallel to
each other, and with a broad, moderately deep depression extending
from the occiput to epistoma, the depression more broadly, deeply
impressed on the vertex; surface densely granulose, more or less
irregularly rugose, and rather densely clothed with moderately long,
semierect whitish pubescence; epistoma not transverse between the
antennae, and broadly, deeply, arcuately emarginate in front; an-
tennae extending to middle of pronotum, serrate from the fifth joint,
and the outer joints as wide as long; eyes large, broadly oblong, and
slightly more broadly rounded above than beneath.

254 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

Pronotum slightly wider than long, about equal in width at base
and apex, and widest near middle; sides feebly arcuately rounded
from apical angles to behind middle, then more strongly narrowed to
near the base, where they are slightly sinuate, and the posterior
angles rectangular; when viewed from the side the marginal carina
is strongly sinuate and deflexed anteriorly, the submarginal carina
feebly sinuate, and the two carinae rather widely separated for their
entire length, but more strongly anteriorly; anterior margin rather
strongly sinuate, with the median lobe strongly, broadly rounded;
base feebly, broadly emarginate at middle of each elytron, the median
lobe broadly rounded, and subtruncate in front of scutellum; disk
moderately convex, with a vague, broad median depression anteri-
orly, a broad, shallow depression on each side along the lateral mar-
gin, and with distinct, but not sharply defined prehumeral carinae;
surface coarsely, transversely rugose, sparsely, finely punctate be-
tween the rugae, and sparsely clothed with short, inconspicuous hairs,
especially at the sides. Scutellum strongly, transversely carinate,
and the surface finely, densely reticulate.

Elytra about as wide as pronotum at base, and equal in width at
base and behind middle, feebly, broadly constricted near middle, and
obliquely narrowed posteriorly to the tips, which are separately,
rather narrowly rounded, and finely serrulate; sides of abdomen
rather broadly exposed above; disk slightly flattened along the sutural
margins, which are slightly elevated posteriorly, and with broad,
shallow basal depressions; surface rather densely, coarsely imbricate-
punctate, and each elytron with a very indistinct longitudinal vitta
of sparsely placed, short, white hairs.

Abdomen beneath finely, sparsely punctate, the punctures becom-
ing coarser, and more or less transversely connected by sinuate lines
on the basal segment, and sparsely clothed with short, recumbent,
whitish hairs; first segment feebly flattened at the middle; last seg-
ment broadly rounded at apex; vertical portions of the segments not
conspicuously pubescent; pygidium sparsely punctate, but not dis-
tinctly longitudinally carinate. Prosternum finely, densely punctate,
and densely clothed with long, erect, whitish hairs, which extend
along middle of body to the abdomen; prosternal lobe broad, strongly
declivous, and broadly rounded or vaguely sinuate in front; pros-
ternal process broad, the sides rather strongly expanded behind the
coxal cavities, and the apex with a distinct tooth at middle. Pos-
terior coxae with the posterior margin strongly sinuate, and the
exterior angle distinctly prolonged. Tibiae slender, and the anterior
and middle pairs armed with a short tooth on inner margin at apex.
Posterior tarsi shorter than tibiae, and the first joint as long as the
following three joints united. Tarsal claws similar on all feet, cleft

NORTH AMERICAN BUPRESTID BEETLES 255

near the middle, the inner tooth broad, much shorter than outer one,
and not turned inward. Genitalia not examined.

Length, 5.75 mm.; width, 1.5 mm.

Female.—Not seen, but according to the original description differs
from the male in having a crescentic, transverse depression in addi-
tion to the longitudinal depression on front of head, pubescence on
prosternum shorter and more recumbent, and the first abdominal
segment convex at middle.

Redescribed from the male paratype in the collection of Dr.
Edwin C. Van Dyke, in the California Academy of Sciences at San
Francisco.

Type locality—Mariposa County, Calif. (Type in California,
Academy of Sciences. Not seen.)

Distribution —Mariposa County (type locality), June 12, 1914
(F. W. Nunenmacher).

Host—Unknown.

From the single male examined this species seems to be closely
allied to abditus Horn, described from western Nevada. It differs,
however, from that species in having the front of the head broadly
and rather deeply depressed, the marginal and submarginal carinae
separated from each other for their entire length, and with a feebly
indicated pubescent vitta on each elytron. It is just possible that
specimens will be found with the pubescent vittae more distinct, in
which case it might be confused with dlectus Fall, but it can be sep-
arated from that species by having the sides of the pronotum only
feebly depressed, and these depressions without long pubescence.

87. AGRILUS FELIX Hern
Figure 65

Agrilus feliz Horn, Trans Amer. Ent. Soc., vol. 18, 1891, pp. 326-827; Proe.
Calif. Acad. Sci., vol. 4, ser. 2, 1894, p. 328.—GrirriTH, Ent. News, vol.
11, 1900, p. 568.—CHITTENDEN, U. S. Dept. Agric., Div. Ent., Bull, 22,
new ser., 1900, p. 67—ScHAEFFER, Brooklyn Inst. Mus., Sci. Bull., vol.
1, no. 6, 1905, p. 1381—Frost and Wetss, Canad. Ent., vol. 52, 1920, p.
223.—CHAMBERLIN, Cat. Buprestidae, 1926, p. 62.

Female—F¥orm moderately rebust, subcylindrical, feebly flattened
above, and moderately shining; head brownish cupreous; pronotum
and elytra brownish cupreous, with the sides of pronotum and a
vitta on each elytron clothed with whitish pubescence; beneath
aeneous, with a more or less distinct cupreous tinge.

Head with the front moderately wide, feebly convex, and slightly
wider at top than at bottom, the lateral margins feebly, arcuately
expanded above middle, and with a broad, moderately deep, longi-
tudinal groove extending from occiput to epistoma; surface coarsely,

256 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

densely punctate, coarsely, irregularly rugose, and densely clothed
with long, recumbent, whittish pubescence, which nearly conceals the
surface; epistoma scarcely transverse between the antennae, feebly
elevated, and broadly but not very deeply, arcuately emarginate in
front; antennae extending slightly beyond anterior margin of pro-
notum, serrate from the fifth joint, and the outer joints as wide as
jong; eyes broadly oblong, and slightly more acutely rounded beneath
than above.

Pronotum about as long as wide, slightly narrower at base than
apex, and widest near apical angles; sides feebly, obliquely narrowed
from near the apical angles to near the posterior angles, where they
are feebly sinuate, and the posterior angles rectangular; when
viewed from the side the marginal and submarginal carinae are
strongly sinuate, rather widely separated anteriorly, and connected
to each other behind the middle; anterior margin strongly sinuate,
and the median lobe strongly, broadly rounded; base vaguely emar-
ginate at middle of each elytron, the median lobe broadly rounded,
and subtruncate in front of scutellum; disk moderately convex, with-
out median depressions, but with a vague depression on each side
along lateral margin, and with moderately distinct, strongly arcuate
prehumeral carinae; surface obsoletely granulose, coarsely, trans-
versely rugose at middle, sparsely, finely punctate between the
rugae, and sparsely clothed at the sides with long, recumbent, whitish
pubescence. Scutellum feebly, transversely carinate, and the surface
finely, densely reticulate.

Elytra about as wide as pronotum at base, and slightly wider at
base than behind middle; sides nearly parallel for a short distance
behind base, feebly, arcuately constricted near middle, broadly, arcu-
ately expanded behind middle, then obliquely narrowed to the tips,
which are separately, narrowly rounded, and feebly serrulate; sides
of abdomen broadly exposed above; disk with a vague longitudinal
costa, between which and the suture the surface is longitudinally
concave, sutural margins elevated from basal third to apex, and with
broad, moderately deep basal depressions; surface densely, coarsely
imbricate-punctate, sparsely, uniformly clothed with short, incon-
spicuous hairs, and each elytron ornamented with a vitta of sparsely
placed, whitish hairs, extending along sutural-depression from basal
depression to apex.

Abdomen beneath rather densely, finely punctate, the punctures
connected transversely by fine, sinuate lines, and densely clothed with
long, recumbent, whitish, pubescence, nearly concealing the surface;
first segment convex at middle; last segment broadly rounded at
apex; vertical portions of segments densely pubescent similar to
ventral surface; pygidium sparsely punctate, feebly carinate, but

NORTH AMERICAN BUPRESTID BEETLES 257

the carina not projecting. Prosternum finely, densely punctate, and
densely clothed with long, recumbent, whitish hairs; prosternal lobe
broad, moderately declivous, and broadly subtruncate in front; pros-
ternal process broad, the sides vaguely expanded behind the coxal
cavities, then abruptly narrowed to the apex, which is acute. Tibiae
slender, anterior and middle pairs vaguely arcuate, and without a
tooth at apex. Posterior tarsi slightly shorter than tibiae, and the
first joint as long as the following two joints united. Tarsal claws
similar on all feet, cleft near the middle, the inner tooth slightly
shorter than outer one, and not turned inward.

Length, 5.5 mm.; width, 1.88 mm.

Male.—Differs from the female in having the front of head slightly
more greenish and narrower; antennae extending nearly to middle
of pronotum; first abdominal segment vaguely flattened at middle;
pubescence on prosternum slightly more erect; anterior and middle
tibiae armed with a short tooth on inner margin at apex, the-tarsal
claws.cleft closer to tip, and the teeth nearly equal j in length.

Redescribed from the female lectotype No. 3493 in the Philadelphia
Academy of Natural Sciences.

Type locality—Ayrizona, probably near Tucson.

DISTRIBUTION

Material examined :

Arizona: Nogales, Aug. 12, 1906 (F. W. Nunenmacher). Ashfork, June 17-24
(Barber and Schwarz). Catalina Springs, May 5, reared (Hubbard and
Schwarz). Baboquivaria Mountains (F. H. Snow).

Also recorded from the following localities, but some of these
records may not be this species:

ArRIzoNA: Prescott; Phoenix; Tucson; Huachuca Mountains.

CoLtoraApo: Glenwood Springs.

Lower CALIFORNIA: San Julio.

UrTaH: St. George.

Variations—Very little variation was observed in the specimens
examined except in color and size, the color varying from reddish
cupreous to bronzy green, and the length from 4.5 to 6 millimeters.
In some of the specimens the front of the head is more deeply
depressed than in others, and the rugae on the pronotum are coarser
and more widely separated.

Host.—This species has been reared from “ Palo Verde” (Parkin-
sonia microphylla Torrey) in Arizona by Hubbard and Schwarz.

This species is very closely allied to jacobinus Horn, but can be
separated from that species by having the sides of the pronotum
clothed with distinct long hairs, and with a distinct pubescent vitta
on each elytron, whereas in jacobinus the sides of the pronotum are

258 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

not clothed with long hairs, and the pubescent vittae on the elytra
are obsolete. In fedia the upper surface is more shining and with
scarcely any pubescence, which causes the pubescent vittae to be more
prominent, whereas in jacobinus the surface is subopaque, and
sparsely, uniformly clothed with short whitish hairs, while the hairs
in the vittae are slightly more yellowish, and a little more closely
placed. Horn (1891) described both sexes, but both specimens in the
Horn collection at present are females.

88. AGRILUS JACOBINUS Horn
Figure 66

Agrilus jacobinus Horn, Trans. Amer. Ent. Soc., vol. 18, 1891, pp. 314-
315.— FAL, Calif. Acad. Sci., Occasional Papers, no. 8, 1901, p. 120.—
WoopwortH, Guide to California Insects, 1913, p. 195.—Myers, Journ.
Ent. and Zool., vol. 10, 1918, p. 48—CHAMBERLIN, Cat. Buprestidae,
1926, p. 67 (part).

Male—F¥orm subcylindrical, feebly flattened above, subopaque,
dark brown, with a more or less cupreous and plumbeus tinge;
beneath slightly more cupreous and shining than above.

Head with the front rather wide, feebly convex, slightly wider at
top than at bottom, the lateral margins feebly, arcuately expanded
near vertex, and with a narrow, moderately deep depression extend-
ing from the occiput to epistoma; surface rugose on the occiput, and
the entire surface nearly concealed by long, recumbent, whitish
pubescence; epistoma slightly transverse between the antennae, and
rather deeply, arcuately emarginate in front; antennae extending to
about middle of pronotum, serrate from the fifth joint, and the outer
joints slightly wider than long; eyes rather large, and about equally
rounded above and beneath.

Pronotum only feebly wider than long, base and apex about equal
in width, and widest near middle; sides feebly, arcuately rounded
from apical angles to behind middle, then more obliquely narrowed
to near the posterior angles, where they are parallel and the posterior
angles rectangular; when viewed from the side the marginal and sub-
marginal carinae are strongly sinuate, widely separated anteriorly,
and connected to each other near the base; anterior margin strongly
sinuate, with the median lobe strongly, broadly rounded; base feebly
emarginate at the middle of each elytron, the median lobe broadly
rounded and subtruncate in front of scutellum; disk strongly convex,
without median depressions, but with broad, shallow, lateral depres-
sions, and sharply defined, strongly arcuate prehumeral carinae, the
carinae extending from posterior angle inward along base, then
forward to near the middle of pronotum; surface coarsely, densely
rugose, the rugae more or less transverse and interrupted, finely

NORTH AMERICAN BUPRESTID BEETLES 259

punctate between the rugae, and sparsely clothed with short, incon-
spicuous hairs. Scutellum not distinctly, transversely carinate, but
the surface rather uneven and densely granulose.

Elytra about as wide as pronotum at base, and slightly wider at
base than behind middle; sides nearly parallel and feebly sinuate
for a short distance behind base, broadly, obsoletely constricted near
middle, feebly, arcuately expanded behind middle, then obliquely
narrowed to the tips, which are separately, rather acutely rounded,
and feebly serrulate; sides of abdomen narrowly exposed above;
disk slightly flattened, sutural margins strongly elevated posteriorly,
causing the surface to be feebly, longitudinally concave from basal
third to apex, and with broad, moderately deep basal depressions;
surface finely, densely imbricate-punctate, and sparsely, uniformly
clothed with short, recumbent hairs, which are whitish toward the
sides, becoming yellowish and slightly denser toward the sutural
margins, and forming a more or less distinct vitta on each elytron
extending from basal depression to apex.

Abdomen beneath obsoletely granulose, rather densely, finely punc-
tate, the punctures connected transversely by sinuate lines, which
are more distinct on the basal segments, and densely, uniformly
clothed with long, recumbent, whitish pubescence; first and second
segments feebly, longitudinally flattened, and with the pubescence
shghtly longer along the middle; last segment broadly rounded at
apex; vertical portions of the segments rather densely clothed with
long, recumbent, whitish pubescence; pygidium sparsely. coarsely
punctate, feebly carinate, but the carina not projecting. Prosternum
densely, coarsely punctate, and densely clothed with long, whitish
pubescence, which extends along middle of body to second abdominal
seement; prosternal lobe broad, rather strongly declivous, and
broadly rounded in front; prosternal process broad, the sides parallel
to behind the coxal cavities, and transversely truncate at apex.
Tibiae slender, the anterior pair feebly arcuate, and the anterior and
middle pairs armed with a short tooth on the inner margin at apex.
Posterior tarsi slightly shorter than tibiae, and the first joint as long
as the following two joints united. Tarsal claws similar on all feet,
cleft near the apex, the two teeth nearly equal in length, and the inner
tooth at most only feebly turned inward.

Length, 7.5 mm.; width, 1.9 mm.

Female.—Differs from the male in having the front of head
slightly broader, and the sides more parallel; first and second ab-
dominal segments convex at middle and the pubescence not longer
than on rest of body; prosternum more sparsely punctate, and the
pubescence shorter and sparser; tibiae unarmed at apex; and the tar-
sal claws cleft near the middle, the inner tooth slightly shorter than
outer one, and feebly turned inward.

260 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

Redescribed from the male lectotype No. 3484, in the Philadelphia
Academy of Natural Sciences.
Type locality—San Diego, California.

DISTRIBUTION
Material examined:

CaLirorniA: San Diego (G. H. Field). San Diego County, May 28, 1923; War-
ners, May 28, 1923 (Warwick Benedict). Havilah, Kern County, June 11,
1913 (H. C. Fall). Whittier, June 8, 1917 ( De

Variations.—Scarcely any variation was observed in the specimens
examined except that some examples are slightly more cupreous
than others and the length varies from 6 to 7.5 millimeters.

Host.—Unknown. t

Horn described this species as having the antennae serrate from
the fourth joint, and assigned it to the wrong section of his table,
instead of placing it in the section having the antennae serrate from
the fifth joint.

89. AGRILUS FLORIDANUS Crotch

Agrilus foridanus Crorcen, Proc. Acad. Nat. Sci. Phila., vol. 25, 1873, p. 94.—
Scuowarz Proc. Amer. Philos. Soc, vol. 17, 1878, p. 452—Horn,
Trans. Amer. Ent. Soc., vol. 18, 1891, pp. 328-329.—CHITrENDEN, U. S.
Dept. Agrie., Div. Ent., Bull. 22, new ser., 1900, p. 67.—WickHaAmM, Bull.
Buffalo Soe. Nat. Hist., vol. 9, 1909, p. 401.—BLATCHLEY, Canad, Ent.,
vol. 51, 1919, p. 29.—Frost and WeErss, Canad. Ent., vol. 52, 1920.
p. 223.—CHAMBERLIN, Cat. Buprestidae, 1926, p. 63.

Male-—F¥orm moderately robust, subcylindrical, feebly flattened
above, rather strongly shining; head feebly aeneous anteriorly,
becoming cupreous on vertex and occiput; pronotum and elytra
uniformly bright reddish cupreous, with a feeble aeneous tinge,
and each elytron ornamented with three pubescent spots; beneath
slightly more aeneous and shining than above.

Head with the front rather wide, feebly convex, and distinctly
wider at top than at bottom, the lateral margins strongly, obliquely
expanded from bottom to top, with a broad, triangular depression
on vertex, and a narrow groove exending from it to near the epis-
toma; surface coarsely, irregularly rugose, sparsely, coarsely punctate
between the rugae, and sparsely clothed with moderately long, re-
cumbent, whitish hairs; epistoma slightly transverse between the
antennae, and broadly, rather deeply, arcuately emarginate in front;
antennae extending to about middle of pronotum, serrate from the
fifth joint, and the outer joints slightly wider than long; eyes rather
large, elongate, and equally rounded above and beneath.

Pronotum slightly wider than long, feebly narrower at base than
apex, and widest near middle; sides feebly, arcuately rounded from
apical angles to behind middle, then more strongly narrowed to the

NORTH AMERICAN BUPRESTID BEETLES 261

posterior angles, which are rectangular; when viewed from the side
the marginal and submarginal carinae are strongly sinuate, broadly
separated anteriorly, and connected to each other near the base;
anterior margin strongly sinuate, and the median lobe strongly,
broadly rounded; base feebly emarginate at middle of each elytron,
the median lobe broadly rounded, and subtruncate in front of scu-
tellum; disk rather strongly convex, with a broad, feeble depression
in front of scutellum, a broad, moderately deep, oblique depression
on each side along lateral margin, and with feebly indicated, obtuse,
straight, prehumeral carinae; surface coarsely, densely, irregularly
rugose, sparsely, finely punctate between the rugae, and sparsely
clothed toward the sides with short, recumbent hairs. Scutellum
strongly, transversely carinate, and the surface densely, finely
reticulate.

Elytra about as wide as pronotum at base, and equal in width at
base and behind middle; sides nearly parallel for a short distance
behind the base, feebly, broadly constricted near middle, broadly
arcuately expanded behind the middle, then obliquely narrowed to
the tips, which are separately, broadly rounded, and feebly serrulate;
sides of abdomen broadly exposed above; disk slightly flattened,
sutural margins elevated from middle to apex, and with broad,
moderately deep basal depressions; surface densely, coarsely, imbri-
cate-punctate, sparsely, uniformly clothed with short, inconspicuous
white hairs, and each elytron ornamented with sparsely pubescent
spots as follows: One in basal depression, one in front of middle, and
the other at apical third.

Abdomen obsoletely granulose, rather densely, finely punctate, the
punctures connected transversely by fine, sinuate lines, which are
coarser on the first two segments, sparsely clothed with short, incon-
spicuous hairs, and with vague pubescent spots at the sides of the
last three segments; first and second segments feebly, longitudinally
depressed, and clothed with a few long hairs at the middle; last
segment broadly rounded at apex; vertical portions of segments more
densely pubescent than ventral surface; pygidium sparsely punctate,
feebly carinate at middle, but the carina not projecting. Prosternum
finely, densely punctate, and rather densely clothed with long semi-
-erect, whitish pubescence; prosternal lobe broad, moderately decliv-
ous, and broadly truncate or vaguely emarginate in front; prosternal
process bread, the sides parallel to behind the coxal cavities, then
obliquely narrowed to the apex, which is acute. Tibiae slender, and
the anterior and middle pairs armed with a distinct tooth on inner
margin of apex. Posterior tarsi slightly more than one-half as long
as tibiae, and the first joint subequal in length to the following two
joints united. Tarsal claws similar on all feet, cleft near the middle,

262 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

the inner tooth broad, shorter than outer one, and not turned inward.

Genitalia similar to those of zmpeaus Horn.

Length, 7 mm.; width, 1.75 mm.

Female.—Ditiers from the male in having the head uniformly red-
dish cupreous; first and second abdominal segments convex at middle;
prosternum more sparsely punctate, and more sparsely clothed with
long, semierect, whitish hairs, and the anterior and middle tibiae
without a distinct tooth on inner margin at apex.

Redescribed from the male type, No. 2712, in the Philadelphia
Academy of Natural Sciences.

Type ltocality—F lorida.

DISTRIBUTION

Material examined :

Fiorma: Tampa, April 4-17 (Hubbard and Schwarz), May 2, 1908 (Van Duzee).
Sanford, June 2 (. D. Ball). Cleveland, April 26 (Knull and DeLong).
Dunedin, April 10-18, 1928 (W. S. Blatchley). Lake Ashly, August 7
(Hubbard and Schwarz).

Variations—None observed except in size, which varies in length
from 5.5 to 7 millimeters.

Host.—The larval habits are unknown, but Chittenden (1900)
records the adults on oak (Quercus sp.) and Blatchley (1919) records
collecting the adults by sweeping huckleberry and other low shrubs
during the latter part of March.

This species seems to be rare in collections and so far has only
been recorded from Florida. It resembles the cupreous specimens of
impewus Horn, but can be separated from that species, as well as
from all other known species having the antennae serrate from the
fifth joint, the pronotum with prehumeral carinae, and the pubescence
forming spots on the elytra, by the sides of the prosternal process
being parallel to each other to behind the coxal cavities.

90. AGRILUS IMPEXUS Horn

Figure 67

Agrilus inpexus Horn, Trans. Amer. Ent. Soc., vol. 18, 1891, pp. 327-328.—
STROMBERG, Canad. Ent., vol. 26, 1894, pp. 36-37 (identification ?,
probably pseudofallax Frost or egeniformis Champlain and Knull).—
CHITTENDEN, U. 8. Dept. Agric., Div. Ent., Bull. 22, new ser., 1900,
p. 68 (probably pseudofallaxr Frost or egeniformis Champlain and
Knull).—Fauu, Calif. Acad. Sci., Occasional Papers, no. 8, 1901, p.
242. Frost and Weiss, Canad. Ent., vol. 52, 1920, p. 228 (probably
pseudofallar Frost or egeniformis Champlain and Knull).—CHAmM-
BERLIN, Cat. Buprestidae, 1926, p. 66 (part).

Female-—¥orm moderately robust, subcylindrical, feebly flattened
above, and moderately shining; head bronzy brown, becoming more
or less cupreous on the occiput; pronotum and elytra cupreous, with

NORTH AMERICAN BUPRESTID BEETLES 263

a more or less aeneous tinge, and each elytron ornamented with three
pale yellow pubescent spots; beneath bronzy green, with a feeble
cupreous reflection, and more shining than above.

Head with the front rather wide, and slightly wider at top than at.
bottom, the lateral margins feebly, obliquely expanded from bottom
to top, broadly, rather deeply concave on vertex, and with a feeble
median groove extending from occiput to epistoma; surface sparsely,
coarsely punctate, irregularly rugose, and rather sparsely clothed
anteriorly with long, recumbent, yellowish pubescence; epistoma
slightly transverse between the antennae, and broadly, rather deeply,
arcuately emarginate in front; antennae extending nearly to middle
of pronotum, serrate from the fifth joint, and the outer joints about
as wide as long; eyes large, broadly oblong, and about equally
rounded above and beneath. ;

Pronotum nearly as long as wide, feebly narrower at base than
apex, and widest near middle; sides vaguely rounded from apical
angles to behind middle, then more strongly narrowed to near the
base, where they are strongly sinuate, and the posterior angles rec-
tangular; when viewed from the side the marginal carina is strongly
sinuate, the submarginal carina feebly sinuate, the two carinae
widely separated anteriorly, and connected to each other near base;
anterior margin strongly sinuate, and the median lobe strongly,
broadly rounded; base slightly emarginate at middle of each elytron,
the median lobe broadly rounded, and subtruncate in front of scutel-
lum, disk moderately convex, with two broad, vague median depres-
sions, a broad, deep, oblique depression on each side along lateral
margin, and with obtusely rounded, moderately long, sinuate pre-
humeral carinae; surface obsoletely granulose, densely, coarsely
rugose, the rugae transverse at middle but becoming oblique toward
the sides, sparsely, finely punctate between the rugae, and sparsely
clothed at the sides with short, inconspicuous hairs. Scutellum
transversely carinate, and the surface finely, densely reticulate.

Elytra about as wide as pronotum at base, and equal in width at
base and behind middle; sides nearly parallel for a short distance
behind base, feebly, broadly constricted near middle, broadly arcu-
ately expanded behind middle, then narrowed to the tips, which are
separately, narrowly rounded, and strongly serrulate; sides of ab-
domen broadly exposed above; disk slightly flattened, sutural mar-
gins elevated posteriorly, and with broad, moderately deep basal
depressions; surface coarsely, densely imbricate-punctate, sparsely
clothed posteriorly with short, inconspicuous, white hairs, and each
elytron ornamented with sparsely pubescent spots as follows: One
in basal depression, an elongate one in front of middle, and the
other at apical third.

264 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

Abdomen beneath obsoletely granulose, rather densely, finely punc-
tate, the punctures connected transversely by fine, sinuate lines,
which are coarser on the basal segment, sparsely clothed with short,
recumbent, white hairs, with a more densely pubescent spot at the
sides of the third, fourth, and fifth segments; first and second seg-
ments convex at middle; last segment broadly rounded at apex;
vertical portions of first and second segments densely pubescent;
pygidium feebly carinate, but the carina not projecting. Pros-
ternum finely, densely punctate, and rather sparsely clothed with
long, recumbent, whitish pubescence; prosternal lobe broad, moder-
ately declivous, and broadly, vaguely emarginate or subtruncate in
front; prosternal process broad, the sides slightly expanded behind
the coxal cavities, and truncate at apex. Tibiae slender, anterior
pair slightly arcuate, and all pairs without a tooth at apex. Pos-
terior tarsi slightly shorter than tibiae, and the first joint as long as
the following two joints united. Tarsal claws similar on all feet,
cleft near the middle, the inner tooth broad, shorter than outer one,
and not turned inward.

Length, 7 mm.; width, 1.9 mm.

Male.—Differs from the female in having the front of head bronzy
green anteriorly, and more densely pubescent; eyes more broadly
oval: antennae slightly longer; first and second abdominal seg-
ments feebly sulcate their entire length, and the pubescence longer
and more erect in the depression; prosternum densely clothed with
long, erect, whitish hairs, and the anterior and middle tibiae armed
with a short tooth on inner margin at apex.

Redescribed from the female lectotype No. 3494 in the Philadelphia
Academy of Natural Sciences.

Type locality—Nebraska.

DISTRIBUTION

Material examined:

Arizona: Catalina Springs, reared, April (Hubbard and Schwarz).

ARKANSAS: Paratype, no definite locality.

Cortorapo: Colorado Springs, June 15-30, 1896 (H. F. Wickham).

Kansas: Onaga, July-August (H. C. Fall). Baldwin, July (Bridweil). Law-
rence, June 2, 1911 (——). Topeka, August 3; Riley County, June—July
(Popenoe). Douglas and Morton Counties (F. H. Snow). Miami, Cowley,
Allen, and Linn Counties (R. H. Beamer). Smith County (H. Deny).

Minnesota: Fort Snelling, June 28, 1923 (MacAndrews).

MississiprP1: Agricultural College, July 29, 1922 (Hull).

NEBRASKA: Lectotype, no definite locality.

Texas: No definite locality (Belfrage).

Wyomine: Lusk, July 1895 (——).

Also recorded from Illinois: Galesburg (Stromberg, Chittenden). This is
probably wrongly identified and should be pseudofallaz Frost.

NORTH AMERICAN BUPRESTID BEETLES 265

V ariations.—N otwithstanding the wide area over which this species
is distributed, there seems to be very little variation, except in color
and size. The color varies from olivaceous green to reddish cupre-
ous, and rarely a specimen is found which has a distinct bluish tinge.
Length 6.5 to 7.5 millimeters. The two examples from Arizona are
not quite typical, being shghtly more slender and are only 5 milli-
meters in length, but agree in all other respects with the typical
specimens.

Host.—Nothing is known of the larval habits of the typical form,
but the two specimens mentioned above from Arizona were reared
from “ Palo verde” (Parkinsonia microphylla Torrey). Stromberg
(1894) and Chittenden (1900) record the adults on Honey Locust
(Gleditsia triacanthos Linnaeus) and Black Locust (Robinia pseu-
doacacia Linnaeus) but these records are probably from erroneously
identified specimens and are probably pseudofallax Frost.

This species resembles floridanus Horn very closely, but in that
species the sides of the prosternal process are parallel to each other
to behind the coxal cavities, whereas in tmpeaus the sides are ex-
panded behind the coxal cavities.

91. AGRILUS CUPREONITENS, new species
Figure 68

Male—¥orm moderately robust, subcylindrical, slightly flattened
above, and rather strongly shining; head aureous, with a feeble
cupreous tinge on the front, and becoming reddish cupreous on the
occiput; pronotum brownish cupreous, with a feebly greenish reflec-
tion; elytra reddish cupreous, and each elytron ornamented with
three vague pubescent spots; beneath reddish cupreous, and strongly
shining.

Head with the front rather broad, nearly flat, about equal in width
at top and bottom, the lateral margins feebly, arcuately expanded
above the middle, and with a broad, moderately deep depression
extending from the occiput to epistoma; surface densely, finely
granulose, coarsely, irregularly rugose, and without distinct pubes-
cense; epistoma narrow between the antennae, broadly, deeply arcu-
ately emarginate in front, and the clypeal suture indistinct; antennae
serrate from the fifth joint (outer joints missing) ; eyes rather large,
broadly oval, and about equally rounded above and beneath.

Pronotum nearly one-third wider than long, equal in width at base
and apex, and widest at middle; sides nearly parallel, or vaguely
rounded from apical angles to base: when viewed from the side the
marginal and submarginal carinae are feebly sinuate, narrowly sepa-
rated anteriorly, and connected to each other behind the middle; an-

266 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

terior margin slightly sinuate, and the median lobe feebly, broadly
rounded; base arcuately emarginate at middle of each elytron, the
median lobe strongly produced, and broadly emarginate in front of
scutellum; disk moderately convex, with a narrow median depression
extending from near the anterior margin to the base, and broader and
more deeply depressed behind the middle, with a broad, vague depres-
sion on each side along the lateral margin, and with very vague,
obtuse, prehumeral carinae; surface densely, finely granulose, finely,
distantly, and irregularly rugose, finely, sparsely punctate between
the rugae, and clothed with a few scattered hairs. Scutellum trans-
versely, arcuately carinate, and the surface finely, densely reticulate.

Elytra about as wide as pronotum at base, and slightly wider at
base than at apical third; sides feebly expanded for a short distance
behind base, broadly, vaguely constricted in front of middle, vaguely
expanded behind the middle, then obliquely narrowed to the tips,
which are separately, narrowly rounded, and coarsely serrulate; sides
of abdomen broadly exposed above; disk slightly flattened, more or
less broadly depressed along the sutural margins, which are strongly
elevated at apical third, and with broad, shallow, basal depressions;
surface coarsely, densely imbricate-punctate, and each elytron orna-
mented with three vague pubescent spots, one in the basal depression,
one in front of middle, and one at apical third.

Abdomen beneath sparsely, finely punctate, the punctures con-
nected transversely by sinuate lines, which are coarser on the basal
segments, and sparsely, uniformly clothed with short, recumbent,
white hairs; first segment slightly flattened, and clothed with a few
longer hairs at the middle; vertical portions of the segments not
conspicuously pubescent; pygidium not carinate posteriorly. Pros-
ternum finely, densely punctate, somewhat rugose, and sparsely
clothed with moderately long, semierect, white hairs; prosternal lobe
broad, moderately declivous, and broadly subtruncate in front; pros-
ternal process broad, vaguely expanded behind the coxal cavities, then
abruptly narrowed to the apex, which is acute. Tibiae slender,
straight, and the anterior and middle pairs armed with a very small
tooth on inner margin at apex. Posterior tarsi slightly shorter than
the tibiae, and the first joint not as long as the following two joints
united. 'Tarsal claws similar on all feet, cleft near the middle, the
inner tooth shorter than the cuter one, and not turned inward.

Female.—Differs from the male in having the front of head uni-
formly coppery red and not granulose, the first abdominal segment
convex at middle, the prosternum clothed with short, recumbent hairs,
and the tibiae without a distinct tooth at apex.

Length, 4.75 mm.; width, 1.25 mm.

Lype locality —Brownsville, Tex.

Type and allotype.—Cat. No. 41018, U.S.N.M.

NORTH AMERICAN BUPRESTID BEETLES 267

Described from a male and female collected at the type locality,
April 28, by H. S. Barber.

This species resembles addendus Crotch and abjectus Horn, but
can be separated from the former by having a distinct median de-
pression on the pronotum, the basal and median pubescent spots on
the elytra net connected, and the head glabrous in both sexes, and
from adjectus it differs in having the pronotum only moderately
convex, with a distinct, elongate median depression, and the color
above is reddish cupreous.

$2. AGRILUS ADDENDUS Crotch

Agrilus addendus Crorcu, Proce. Acad. Nat. Sci. Phila., vol. 25, 1873, p.
95. WATERHOUSE, Biol. Centr.-Amer., Coleopt., vol. 3, pt. 1, 1889, p.
86.—Horn, Trans. Amer. Ent. Soc., vol. 18, 1891, pp. 328-330; Proc.
Calif. Acad. Sci., vol. 4, ser. 2, 1894, p. 829.—FaLi and CcoCKERELL,
Trans. Amer. Ent. Soc., vol. 33, 1907, pp. 152, 181 —BLatcHiLay, Coleop-
tera of Indiana, 1910, p. 804 (probably pseudofallaz Frost, or egeni-
formis Champlain and Knuil).—Frost and Weiss, Canad. Hut., vol.
52, 1920, p. 223 (probably pseudofallar Frost, or egeniformis Cham-
plain and Knull).—Vawn Dyxn, Bull. Brooklyn Ent. Soe., vol. 18, 1923,
p. 41.—CHAMBERLIN, Cat. Buprestidae, 1926, p. 48 (part).

Male—¥orm moderately robust, subcylindrical, feebly flattened
above, subopaque; head aeneo-cupreous; pronotum and elytra uni
formly reddish or brownish cupreous, with a more or less distinc:
aeneous tinge on some parts, and each elytron ornamented with three
pubescent spots; beneath similar in color but more shining than
above.

Head with the front rather wide, feebly convex, slightly wider at
top than at bottom, the lateral margins vaguely, arcuately expanded
near middle, and with a rather deep, broad, concave depression ex-
tending from occiput to epistoma; surface densely, finely granulose,
sparsely punctate, coarsely, irregularly rugose, and rather densely
clothed with long, recumbent, whitish pubescence; epistoma not
transverse between the antennae, and broadly, deeply, arcuately
emarginate in front; antennae extending nearly to middle of pro-
notum, serrate from the fifth joint, and the outer joints as wide as
long; eyes large, broadly oval, and equally rounded above and
beneath.

Pronotum about one-fifth wider than long, feebly narrower at
base than apex, and widest near middle; sides vaguely rounded from
apical angles to behind middle, then more strongly narrowed to
near the base, where they are slightly sinuate, and the posterior angles
rectangular; when viewed from the side the marginal carina is
strongly sinuate, the submarginal carina nearly straight, more or
less obliterated behind middle, and the two carinae broadly separated

2305—28-——18

268 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

anteriorly; anterior margin strongly sinuate, and the median lobe
strongly, broadly rounded; base shghtly emarginate at middle of each
elytron, the median lobe broadly rounded, and subtruncate in front
of scutellum; disk moderately convex, with two very vague median
depressions, a broad, moderately deep, oblique depression on each
side along lateral margin, and with rather distinct, straight pre-
humeral carinae; surface obsoletely granulose, coarsely, densely,
transversely rugose at middle, finely, sparsely punctate between the
rugae, and sparsely clothed with short, recumbent, yellowish-white
pubescence. Scutellum feebly, transversely carinate, and the surface
densely, finely reticulate.

Elytra about as wide as pronotum at base, and slightly wider
at base than behind the middle; sides vaguely rounded for a short
distance behind base, broadly, vaguely constricted near middle,
feebly, arcuately expanded behind middle, then obliquely narrowed
to the tips, which are separately, rather narrowly rounded, and
feebly serrulate; sides of abdomen broadly exposed above; disk
feebly flattened, with a vague depression along the sutural margins
which are slightly elevated posteriorly, and with broad, shallow basal
depressions; surface finely, densely imbricate-punctate, sparsely,
uniformly clothed with short, recumbent, whitish pubescence, and
each elytron ornamented with more or less distinct yellowish white
pubescent spots as follows; one in basal depression, one in front of
middle, and the other at apical third.

Abdomen beneath finely, sparsely punctate, the punctures con-
nected transversely by fine, sinuate lines, which are coarser on basal
segment, sparsely clothed with moderately long, recumbent, white
pubescence, and with more densely pubescent spots at the sides of
the last three segments; first and second segments very vaguely,
longitudinally depressed at the middle, and clothed with longer
pubescence; last segment broadly rounded at apex; vertical portions
of first two segments more densely pubescent than ventral surface ;
pygidium sparsely punctate, feebly carinate, but the carina not
projecting. Prosternum finely, sparsely punctate, and densely
clothed with long, erect, fine, whitish hairs; prosternal lobe broad,
strongly declivous, and broadly but feebly emarginate in front;
prosternal process broad, the sides slightly expanded behind the
coxal cavities, and truncate at apex. Tibiae slender, anterior pair
slightly arcuate, and the anterior and middle pairs armed with a
short tooth on inner margin at apex. Posterior tarsi distinctly
shorter than tibiae, and the first joint as long as the following two
joints united. Tarsal claws similar on all feet, cleft near the middle,
the inner tooth broader and shorter than outer one, and not turned
inward. Genitalia similar to 7mpexus Horn.

Length, 6 mm.; width, 1.75 mm.

NORTH AMERICAN BUPRESTID BEETLES 269

Female.—Difters from the male in having the front of head more
reddish cupreous, broader, equal in width at top and bottom, and the
lateral margins parallel; outer joints of antennae slightly wider than
long; first and second abdominal segments without a median depres-
sion; prosternum without long, erect hairs at middle, and the tibiae
unarmed at apex.

Redescribed from the male cotype No. 1 in the Museum of Com-
parative Zoology, and the female cotype No. H-4737 in the Phila-
delphia Academy of Natural Sciences.

Type locality—Texas.

DISTRIBUTION
Material examined:

ARIZONA: Catalina Springs, April 18 (Hubbard and Schwarz). Santa Rita
Mountains, 5,000—8,000 feet, July (F. H. Snow). Palmerlee, July 22 (H. A.
Wenzel).

NEw Mexico: Highrolls, May 29, 1902; Alamogordo, April 29, 1902 (——-). La
Cueva, Organ Mountains (C. H. T. Townsend).

Texas: Loma, July 7, 1908 ( ). San Diego, May 31 (Hubbard and Schwarz).
Cypress Mills, March 15 ( ). Chisos Mountains, Brewster County,
June 10-12, 1908 (Mitchell and Cushman). Devil’s River, May 2-4, 1907
(Pratt, Bishopp, and Schwarz). Corpus Christi, March—April, 1907 (C. S.
Spooner, R. A. Cushman). San Antonio, May 10, 1907 (#. A. Sehwarz).
Brownsville (J. C. Bridwell). Austin, April 9, 1909 (R. A. Cushman).
Plano, July, 1907 (KE. S. Tucker). Beeville, May (EH. A. Schwarz, W. D.
Pierce).

Also recorded from:
LOWER CALIFORNIA: Coral de Piedra and Sierra El Taste (Horn).
Mextco: Northern Sonora (Morrison). .
INDIANA: Posey and Perry Counties (Blatchley). This is probably a wrong
identification and should be pseudofallax Frost.

Variations—The color is rather constant in this species. The
median depression on the pronotum is, at best, only feebly indicated,
but in some specimens it is entirely wanting, and in others there are
two vague depressions at the middle. ‘The pubescence on the upper
surface is more distinct in some specimens than in others, sometimes
scarcely forming spots, and varies in color from white to yellowish
white. The basal and median pubescent spots on the elytra are
usually connected, forming a more or less distinct vitta on basal half.
Length 4 to 6 millimeters.

Host—Unknown. Blatchley (1910) records collecting the adults
on peach blossoms in Indiana, but this record is probably from er-
roneously identified specimens, and probably should refer to pseudo-
fallax Frost.

This species is very closely allied to zmpexus Horn, and some ex-
amples will be difficult to separate, but addendus is usually smaller,
the elytra more uniformly pubescent posteriorly, the pubescent spots

270 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

ndt distinct, often obsolete, and the basal and median spots usually
connected to each other and forming a more or less distinct vitta on
basal half, whereas in tmpewus the pubescent spots are distinct, and
the basal and median ones are not connected. The male genitalia of
the two species are nearly identical, and it is just possible that when
the biology of both species is known they may prove to be only
extreme forms of the same species, but until these habits are known,
it is advisable to retain them as valid species. The two cotypes in
the LeConte and Horn collections were both collected by Belfrage in
Texas. Specimen No. 2 in the LeConte collection labeled “ addendis
Cr. type 5079-2 ” is abjectus, Horn, and not addendus.

$3. AGRILUS QUERCUS Schaeffer
Figure 68

Agrilus quercus SCHAEFFER, Brooklyn Inst. Mus., Sci. Bull., vol. 1, no. 7,
1905, pp. 150-151.— Frost and WEIss, Canad. Ent., voi. 53, 1921, p. 72.—
CHAMBERLIN, Cat. Buprestidae, 1926, p. 79.

Male—Form moderately elongate, rather strongly flattened above,
and feebly shining; head opaque, reddish brown in front, and becom-
ing darker brown on the occiput, pronotum and elytra dark brown,
with a cupreous or aeneous tinge, and the elytra ornamented with
more or less distinct pubescent spots or designs; beneath reddis!y
cupreous, and more shining than above.

Head with the front rather narrow, feebly convex, slightly wider
at bottom than at top, the lateral margins feebly, broadly constricted
near the middle, and with a narrow, vague, longitudinal groove ex-
tending from occiput to middle of front; surface densely, finely
granulose, sparsely punctate, longitudinally rugose on occiput, and
rather sparsely clothed with long, recumbent, silvery white pubes-
cence; epistoma strongly transverse between the antennae, and
broadly but not deeply, arcuately emarginate in front; antennae
extending to middle of pronotum, serrate from the fifth joint, and the
outer joints about as wide as long; eyes large, oblong, and more
acutely rounded beneath than above.

Pronotum one-fourth wider than long, slightly narrower at base
than apex, and widest at apical third; sides feebly, arcuately rounded
from apical angles to middle, then more strongly narrowed to near
the posterior angles, where they are sinuate, and the angles rec-
tangular; when viewed from the side the marginal carina is strongly
sinuate, the submarginal carina nearly straight, the two carinae
widely separated anteriorly, and narrowly separated posteriorly to
the base; anterior margin strongly sinuate, the median lobe strongly,
broadly rounded ; base strongly emarginate at middle of each elytron,
the median lobe strongly, broadly rounded, and arcuately emarginate

NORTH AMERICAN BUPRESTID BEETLES ore

in front of scutellum; disk moderately convex, with a broad median
depression extending from base to near anterior margin, a broad,
deep, oblique depression on each side along lateral margin, and with
sharply defined, sinuate prehumeral carinae extending from posterior
angles to near middle; surface coarsely, strongly, more or less trans-
versely rugose, sparsely, finely punctate between the rugae, and
sparsely clothed with short, whitish hairs toward the sides. Scutel-
lum strongly, transversely carinate, and the surface finely, densely
reticulate.

Elytra about as wide as pronotum at base, and subequal in width
at base and behind middle; sides nearly parallel for a short distance
behind base, feebly, broadly constricted in front of middle, broadly,
arcuately expanded behind middle, then obliquely narrowed to the
tips, which are separately, narrowly rounded, and strongly serrulate;
sides of abdomen narrowly exposed above; disk feebly, longitudinally,
concave along the sutural margins, causing a more or less distinct
costa on each elytron, sutural margins rather strongly elevated from
basal third to apex, and with broad, deep basal depressions; surface
densely, coarsely, imbricate-punctate, and each elytron ornamented
with more or less distinct, white pubescent spots as follows: A round
spot in basal depression, an elongate spot in front of middle, a small
round spot at apical third, and the spots more or less connected
laterally by irregularly distributed, short, white hairs.

Abdomen beneath obsoletely granulose, sparsely, finely punctate,
the punctures connected transversely by more or less distinct, sinuate
lines, which are coarser and denser on the basal segments, and
sparsely, uniformly clothed with moderately long, recumbent, white
hairs; first segment feebly concave, more deeply depressed posteri-
orly, the suture between first and second segments visible at middle,
and elevated into a feebly, obtuse elevation on each side of the de-
pression ; last segment broadly rounded at apex; vertical portions of
segments not conspicuously pubescent; pygidium strongly carinate
anteriorly, but the carina not projecting. Prosternum densely,
coarsely rugose, and sparsely clothed with long, semierect, white
hairs at middle; prosternal lobe broad, feebly declivous, and broadly
rounded in front; prosternal process broad, the sides parallel to
behind the coxal cavities, then abruptly narrowed to the apex, which
is acute. Tibiae slender, straight, and the anterior and middle pairs
armed with a short tooth on inner margin at apex. Posterior tarsi
slightly shorter than the tibiae, and the first joint about as long as the
fellowing three joints united. Tarsal claws similar on all feet, cleft
near the middle, the inner tooth broad, shorter than the outer one,
and not turned inward.

Length, 6.5 mm.; width, 1.75 mm.

272 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

Female—Differs from the male in having the front of head darker
brown and broader, equal in width at top and bottom, and the lat-
eral margins parallel to each other; prosternum not quite so densely
pubescent; first abdominal segment convex at middle, and without a
median depression, and the tibiae without a distinct tooth on inner
margin at apex.

Redescribed from the male and female cotypes, Catalogue No. 255,
in the collection of the Museum of the Brooklyn Institute of Arts
and Sciences.

Type locality —Palmerlee, Ariz.

DISTRIBUTION
Material examined:

ARIZONA: Palmerlee, Cochise County, June 27-July 29 (C. Schaeffer) ; July 22
(H. A. Wenzel). Huachuca Mountains, July 27-31 (C. Schaeffer).

Variations—The color is rather constant in the specimens exam-
ined. ‘The pubescence is more or less variable, usually forming ir-
regular designs, but when part is lost by abrasion, the specimens
might be placed with those species having pubescent spots on the
elytra. Length 5.5 to 7.5 millimeters.

Host.—The larval habits are not known, but Schaeffer has collected
the adults on oak (Quercus sp.) from which the species is named.

This species resembles /econtet Saunders, but can be easily distin-
guished from that species by having the prosternal lobe broadly
rounded in front, whereas in Jecontei it is deeply, arcuately emargi-
nate. From those species having pubescent spots on the elytra, it
can be separated by having the front of the head convex, the prono-
tum depressed at the middle, and the marginal and submarginal
carinae on the pronotum separated for their entire length.

94. AGRILUS PALMACOLLIS Horn
Figure 70

Agrilus palmacollis Horn, Trans. Amer. Ent. Soc., vol. 18, 1891, p. 326.—
CHITTENDEN, U. S. Dept. Agric., Div. Ent., Bull. 22, new ser., 1900, p.
68 (part) —GrirritH, Ent. News, vol. 11, 1900, p. 568.—Fatt, Calif.
Acad. Sci., Occasional Papers, no. 8, 1901, p. 241.—F att and COCKERELL,
Trans. Amer. Ent. Soc., vol. 33, 1907, p. 181—Frost and Wetss, Canad.
Ent., vol. 52, 1920, p. 222 (part).—CHAMBERLIN, Cat. Buprestidae, 1926,
p. 76 (part).

Agrilus palmaticollis KerREMANS, Wytsman’s Gen. Insectorum, fase. 12, pt.
4, 1903, p. 288 (typographical error).

Female——Moderately elongate and shining; head dark reddish
brown; pronotum and elytra piceous, with a strong aeneous or cupre-

ous tinge, and each elytron ornamented with three pubescent spots;
beneath similar to above, but more shining.

NORTH AMERICAN BUPRESTID BEETLES 273

Head with the front rather wide, moderately convex and shining,
about equal in width at top and bottom, the lateral margins nearly
parallel, and with a feeble longitudinal groove extending from occi-
put to middle of front; surface finely, sparsely punctate, strongly
rugose, and sparsely clothed with short, recumbent, silvery white
hairs; epistoma transverse between the antennae, and broadly but not
deeply, arcuately emarginate in front; antennae extending nearly to
middle of pronotum, serrate from the fifth joint, and the outer joints
slightly wider than long; eyes large, broadly oblong, and slightly
more acutely rounded beneath than above.

Prenotum one-fourth wider than long, distinctly narrower at base
than apex, and widest near middle; sides arcuately rounded from
apical angles to behind middle, then strongly, obliquely narrowed to
the posterior angles, which are rectangular; when viewed from the
side the marginal and submarginal carinae are nearly straight,
scarcely defiexed in front, and narrowly separated from each other
for their entire length; anterior margin rather strongly sinuate, and
with a broadly rounded median lobe; base rather strongly emargi-
nate at middle of each elytron, with the median lobe broadly rounded,
and feebly emarginate in front of scutellum; disk moderately convex.
without a distinct median depression, but with a broad, vague depres-
sion on each side along lateral margin, and with short, vague,
obtusely rounded, prehumeral carinae; surface very obliquely rugose,
the rugae widely separated, finely, sparsely punctate between the
rugae, sparsely clothed with short, recumbent hairs toward the sides,
and with a distinct opaque, granulose area at middle along anterior
margin. Scutellum strongly, transversely carinate, and the surface
densely, finely reticulate.

Elytra shghtly wider than pronotum at base, and only vaguely
wider at base than behind middle; sides nearly parallel from base to
apical third (feebly, arcuately constricted near middle), then ob-
liquely attenuate to the tips, which are separately, rather narrowly
rounded and strongly serrulate; sides of abdomen broadly exposed
above; disk slightly flattened, feebly, longitudinally depressed along
sutural margins, which are slightly elevated posteriorly, and with
broad, moderately deep, basal depressions; surface coarsely imbri-
cate-punctate, sparsely clothed with short, inconspicuous hairs, and
each elytron ornamented with three elongate spots of rather densely
placed long, recumbent, yellowish white hairs, one in basal depres-
sion, one in front of middle, and the other at apical third.

Abdomen beneath finely, densely granulose, finely, sparsely punc-
tate, the punctures connected transversely by fine sinuate lines, which
are coarser on the basal segments, and sparsely, uniformly clothed
with short, recumbent, white hairs; first segment convex at middle;

274 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

last segment broadly rounded at apex; vertical portions of first seg-
ment densely clothed with recumbent, silvery white pubescence;
pygidium feebly carinate, but the carina not projecting. Prosternum
sparsely, finely punctate, and sparsely clothed with recumbent, whit-
ish hairs; prosternal lobe broad, slightly declivous, and broadly
rounded or subtruncate in front; prosternal process broad, the sides
slightly expanded behind the coxal cavities, then obliquely narrowed
to the apex, which is acute. Tuibiae slender, straight, and without a
tooth at apex. Posterior tarsi distinctly shorter than tibiae, and the
first joint scarcely as long as the following two joints united. ‘Tarsal
claws similar on all feet, cleft near the middle, the inner tooth broad,
about one-half as long as outer one, and not turned inward.

Length, 4.9 mm.; width, 1.3 mm.

Male.—Differs from the female in having the front of head nar-
rower, less convex, slightly wider at bottom than at top, the lateral
margins more strongly constricted below the middle, and the surface
aeneous or cupreous, subopaque, densely granulose, and rather
densely clothed with long, recumbent, whitish hairs; eyes more
broadly oblong, and about equally rounded beneath and above; pro-
sternum densely clothed with long, fine, erect hairs; first abdominal
segment broadly, longitudinally concave at middle, the concavity not
very deep or densely pubescent, and the anterior and middle tibiae
armed with a short tooth on inner margin at apex.

Redescribed from the female lectotype No. 3492 in the Philadel-
phia Academy of Natural Sciences.

Type locality—Southern Arizona.

DISTRIBUTION
Material examined: —

Arizona: Hot Springs, June 25 (Barber and Schwarz). Phoenix (——).

CALIFORNIA: Yuma, April 22, 1908 ( Ne

New Mexico: Alamogordo, May i0, 1902 (H. L. Viereck). Wootens (W.
Knaus),

Texas: San Antonio, May 31, 1905 (A. C. Morgan). Devils River, May 4,
1907; Beeville, April 22; San Diego, April 29 (H. A. Schwarz). Sanderson,
May 9, 1912 (D. J. Mitchell). Laredo, March 26, 1908; Cotulla, March 28,
1908 (Jones and Pratt),

Variations—The numerous specimens examined are rather con-
stant in appearance, varying in length from 3 to 4.5 millimeters, and
the pubescent spots may be more or less abraded.

Hosts—Chittenden (1900) records this species having been reared
from twigs and branches of Mesquite (Prosopis juliflora (Swartz)
de Candolle) and Huisache (Acacia farnesiana (Linnaeus) Willde-
now) by E. A. Schwarz at San Antonio and Brownsville, Tex. One
of these plants is probably the host plant for prosopidis Fisher, as

NORTH AMERICAN BUPRESTID BEETLES 21d

all of the specimens taken by Schwarz at San Diego are palmacollis,
and those from Brownsville are prosopidis, but the specimens are
not labeled with the host plant from which they were reared. Prob-
ably palmacollis is from the Mesquite as adults have been collected a
number of times on that plant.

95. AGRILUS PROSGPIDIS, new species

Figure 71

Agrilus palmacollis CHITTENDEN, U. S. Dept. Agric., Div. Ent., Bull 22, new
ser., 1900, p. 68 (part).—Frost and Wetss, Canad. Ent., vol. 52, 1920, p.
222 (part).—CHAMBERLIN, Cat. Buprestidae, 1926, p. 76 (part).

Male—F¥orm small, moderately elongate, slightly flattened above,
and rather strongly shining; head bright green, becoming cupreous
or aeneous on the occiput, pronotum and elytra dark brown, with a
distinct cupreous or aeneous tinge, and the elytra ornamented with
more or less distinct pubescent spots; beneath cupreous, shghtly more
shining than above, and the legs varying from bright green to
bronzy green.

Head with the front moderately wide, rather strongly convex,
slightly wider at bottom than at top, the lateral margins broadly,
arcuately constricted below the middle, and without a distinct median
groove; surface finely, densely granulose (some of the granules larger
and more shining), feebly, sparsely punctate, longitudinally rugose
on the occiput, and with a few short, inconspicuous hairs behind the
epistoma; epistoma not transverse between the antennae, and broadly,
deeply, arcuately emarginate in front; antennae extending to middle
of pronotum, serrate from the fifth joint, and the outer joints about
as wide as long; eyes large, broadly oval, and equally rounded above
and beneath.

Pronotum one-fourth wider than long, about equal in width at
base and apex, and widest at middle or in front of middle; sides more
or less arcuately rounded anteriorily, more strongly narrowed pos-
teriorly, and the posterior angles nearly rectangular; when viewed
from the side the marginal carina is feebly sinuate, the submarginal
carina nearly straight, and the two carinae separated for their entire
length; anterior margin strongly sinuate, and the median lobe
strongly, broadly rounded; base slightly emarginate at middle of
each elytron, the median lobe feebly, broadly rounded, and vaguely
emarginate in front of scutellum; disk moderately convex, with a
broad, vague median depression extending from base to near the
anterior margin, a broad, shallow depression on each side along
lateral margin, and with distinct, short, straight prehumeral carinae;
surface vaguely granulose, coarsely, transversely rugose at middle,
the rugae becoming more longitundinal at the sides, finely, sparsely

276 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

punctate between the rugae, and glabrous. Scutellum strongly,
transversely carinate, and the surface finely, densely reticulate.

Elytra slightly wider than pronotum at base, and wider at base
than behind the middle; sides feebly rounded for a short distance
behind base, broadly, arcuately constricted in front of middle, feebly
expanded behind the middle, then strongly narrowed to the tips,
which are separately, broadly rounded, and rather strongly serrulate ;
abdomen narrowly exposed above; disk vaguely, longitudinally con-
cave along the sutural margins, which are strongly elevated poste-
riorly, and with broad, shallow basal depressions; surface densely,
coarsely imbricate-punctate, and each elytron ornamented with more
or less distinct white pubescent spots as follows: A small spot
in basal depression, an elongate spot along suture in front of middle,
a vague, elongate spot near the apex, where the surface is sometimes
clothed with a few very short, scattered, white hairs.

Abdomen obsoletely granulose, finely, sparsely punctate, the punc-
tures connected transversely by more or less distinct sinuate lines,
and sparsely clothed with short, recumbent, white hairs; first seg-
ment feebly flattened, and with a small, vague, median depression at
the posterior margin; last segment broadly rounded at apex; vertical
portions of the first segment densely clothed with white pubescence;
pygidium feebly carinate anteriorly, but the carina not projecting.
Prosternum obsoletely granulose, sparsely, finely punctate, and
sparsely clothed with long, semierect, silvery white hairs; prosternal
lobe broad, moderately declivous, and broadly subtruncate in front;
prosternal process rather narrow, the sides feebly expanded behind
the coxal cavities, then abruptly narrowed to the apex, which is acute.
Tibiae slender, straight, and the anterior and middle pairs armed
with a short tooth on inner margin at apex. Posterior tarsi slightly
shorter than the tibiae, and the first joint as long as the following
two joints united. Tarsal claws similar on all feet, cleft near the
middle, the inner tooth broad, shorter than outer tooth, and not
turned inward.

Female.—Differs from the male in having the head of a uniform
bright reddish mahogany color, front slightly broader, the lateral
margins nearly parallel, and the surface less distinctly granulose
and more rugose on the front; first abdominal segment convex, with-
out a median depression; prosternum without long, erect pubescence
at middle, and the tibiae unarmed at apex.

Length, 3.5-4.5 mm.; width, 1-1.25 mm.

Type locality—Brownsville, Tex.

Other localities—San Antonio, Tex.

Type, allotype, and paratypes.—Cat. No. 41009, U.S.N.M.

Described from 23 examples (one type). Type, allotype, and six
paratypes collected at the type locality, March 18-20, 1908, by Jones

~ NORTH AMERICAN BUPRESTID BEETLES whit

and Pratt; one paratype collected May 10, 1907 at San Antonio, by
E. A. Schwarz; and the following paratypes, all of which are from
the type locality: Four collected June 5-6, 1895, by E. A. Schwarz;
three collected March-April, 1895, by C. H. T. Townsend; six col-
lected April—June, 1904, by H. S. Barber, and one collected February
24, 1909, by F. C. Pratt.

This species is closely allied to palmacollis Horn, and is confused in
collections with that species. In prosopidis the pronotum is rather
coarsely, transversely rugose on the disk, the front of the head in the
male is bright green and not pubescent, and in the female is of a
bright reddish-mahogany color; whereas in palmacollis the pronotum
is finely, obliquely rugose on the disk, the front of the head in the
male is bronzy cupreous, and densely pubescent, and in the female
is dark, coppery brown.

The specimens taken by Schwarz at Brownsville are part of the
material recorded by Chittenden (1900) as having been reared from
Mesquite (Prosopis juliflora (Swartz) de Candolle) and Huisache
(Acacia farnesiana (Linnaeus) Willdenow), so one of these plants
is probably the host plant of this species. Probably prosopidis is
from the Huisache as adults have been collected on this plant.

96. AGRILUS EXIGUELLUS, new species
Figure 72

Male—F¥orm small, moderately elongate, slightly flattened above,
and rather strongly shining; head dark bronzy green, becoming
brownish cupreous on the occiput; pronotum and elytra dark brown,
with a feeble cupreous reflection, and each elytron ornamented with
three vague pubescent spots; beneath similar in color to above, but
shghtly more shining.

Head with the front rather wide, feebly convex, about equal in
width at bottom and top, the lateral margins nearly parallel (feebly
constricted near bottom), and with a vague, narrow, longitudinal
groove on the vertex and occiput; surface densely, finely granulose,
sparsely, feebly punctate, longitudinally rugose on the occiput, and
sparsely, uniformly clothed with short, semierect silvery white
pubescence; epistoma slightly transverse between the antennae, and
broadly, rather deeply, arcuately emarginate in front; antennae ex-
tending to about middle of pronotum, serrate from the fifth joint,
and the outer joints as wide as long; eyes rather large, broadly oval,
and shghtly more acutely rounded beneath than above.

Pronotum one-third wider- than long, about equal in width at
base and apex, and widest near middle; sides slightly arcuately
rounded from apical angles to behind the middle (sometimes nearly
parallel at middle), then more strongly narrowed to near the pos-

278 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

terior angles where they are parallel; when viewed from the side the
marginal carina is slightly sinuate, the submarginal carina nearly
straight, the two carinae widely separated anteriorly, and connected
to each other behind the middle; anterior margin slightly sinuate,
and the median lobe broadly but not strongly rounded; base feebly
emarginate at middle of each elytron, the median lobe feebly,
broadly rounded, and subtruncate in front of scutellum; disk moder-
ately convex, with a broad, vague, elongate median depression, a
shallow, oblique depression on each side along lateral margin, and
with sharply defined, sinuate prehumeral carinae, extending from
base to near the middle; surface obsoletely granulose, coarsely, trans-
versely rugose at middle, and sparsely, finely punctate between the
rugae. Scutellum strongly, transversely carinate, and the surface
finely, densely reticulate.

Elytra slightly wider than pronotum at base, and equal in width
at base and behind middle; sides nearly parallel for a short distance
behind base, feebly, broadly constricted in front of middle, broadly,
arcuately expanded behind the middle, then obliquely narrowed to
the tips, which are separately, broadly rounded, and strongly ser-
rulate; sides of abdomen narrowly exposed above; disk feebly, longi-
tudinally depressed along sutural margins at middle, sutural mar-
gins strongly elevated posteriorly, and with broad, shallow basal
depressions; surface coarsely, densely imbricate-punctate, sparsely
clothed with short, inconspicuous hairs, and each elytron orna-
mented with indistinct pubescent spots as follows: A round spot in
basal depression, an elongate one in front of middle, and a round
spot at apical third.

Abdomen beneath obsoletely reticulate, finely, sparsely punctate,
the punctures connected transversely by more or less distinct, sinuate
lines, which are coarser on the basal segment, and sparsely, uni-
formly clothed with short, recumbent, white hairs; first and second
abdominal segments feebly concave at middle, the concavity ex-
tending to middle of second segment, and sparsely clothed with
moderately long, fine, erect hairs; last segment broadly rounded at
apex; vertical portions of the segments not conspicuously pubescent ;
pygidium sparsely punctate, and not distinctly carinate at middle.
Prosternum finely, sparsely granulose, and rather densely clothed
with long, fine, erect hairs at middle, which extend along the middle
of body to middle of second abdominal segment; prosternal lobe
broad, moderately declivous, and broadly rounded in front; pro-
sternal process broad, the sides slightly expanded behind the coxal
cavities, then abruptly narrowed to the apex, which is acute.
Tibiae slender, straight, and the anterior and middle pairs armed
with a short tooth on inner margin at apex. Posterior tarsi dis-

NORTH AMERICAN BUPRESTID BEETLES 279

tinctly shorter than tibiae, and the first joint as long as the following
two joints united. Tarsal claws similar on all feet, cleft near the
middle, the inner tooth broad, shorter than the outer one, and not
turned inward.

Female.—Differs from the male in having the front of head uni-
formly mahogany red, the surface strongly shining, not distinctly
granulose, feebly rugose, and with only a few white hairs behind
the epistoma; antennae slightly shorter; first two abdominal seg-
ments not sulcate at middle; prosternum and middle part of body
without long, erect hairs, and the tibiae unarmed at apex.

Length, 3.25-4 mm.; width, 0.8-1 mm.

Type locality.—Texas (no definite locality).

Other locality.—Belvidere, Kans.

Type, allotype, and paratypes.—Cat. No. 41011, U.S.N.M. Para-
types in collections of C. A. Frost and W. Knaus.

Described from 25 examples (one type). Type, allotype, and 21
paratypes from Texas, without any definite locality, nearly all of
which are from the Belfrage collection, and two paratypes collected
by W. Knaus, at Belvidere, Kans.

This species is closely allied to abductus Horn and acaciae Fisher,
but can be separated from both these species by the pubescent spots
on the elytra being indistinct and the median one usually not de-
pressed, and also by the different shape of the male genitalia. Noth-
ing is known about the larval habits of this species.

97. AGRILUS ACACIAE, new species
Figure 73

Male—F¥orm small, moderately elongate, rather strongly flattened
above, and feebly shining; head subopaque, bronzy in front, becom-
ang brownish cupreous on the occiput; pronotum and elytra oliva-
ceous brown, with a more or less cupreous tinge, and each elytron
with three purplish brown or greenish black spots along the suture,
and ornamented with three pubescent spots; beneath cupreous, the
jegs more or less greenish, and more shining than above.

Head with front narrow, nearly flat, wider at bottom than at top,
the lateral margins strongly, broadly constricted at the middle, and
sometimes with a narrow, vague longitudinal groove; surface densely,
finely granulose, sparsely, coarsely punctate, longitudinally rugose
on occiput, and sparsely clothed with long, recumbent, white hairs;
epistoma slightly transverse between the antennae, and broadly, very
deeply, arcuately emarginate in front; antennae extending to middle
of pronotum, serrate from the fifth joint, and the outer joints about
as wide as long; eyes large, broadly oval, and slightly more acutely
rounded beneath than above.

280 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

Pronotum scarcely one-fourth wider than long, narrower at base
than apex, and widest along apical half; sides nearly parallel or
feebly narrowed from apical angles to behind the middle, then
strongly narrowed to the posterior angles, which are rectangular;
when -viewed from the side the marginal carina is slightly sinuate,
the submarginal carina nearly straight, the two carinae rather nar-
rowly separated at apical third, and connected to each other at apex
and behind the middle; anterior margin strongly sinuate, and the
median lobe strongly, broadly rounded; base rather strongly emargi-
nate at middle of each elytron, the median lobe feebly, broadly
rounded, and shghtly emarginate in front of scutellum; disk mod-
erately convex, with a broad, longitudinal median depression, some-
times feebly divided at middle, a broad, shallow depression on each
side along lateral margin, and with sharply defined, straight, pre-
humeral carinae, extending from base to basal third; surface finely,
densely granulose, subopaque, and finely, transversely rugose at
middle, finely, sparsely punctate between the rugae, and sparsely
clothed with white hairs at the sides. Scutellum strongly, trans-
versely carinate, and the surface finely, densely reticulate.

Elytra slightly wider than pronotum at base, and slightly wider
at base than behind the middle; sides slightly rounded for a short
distance behind base, broadly, arcuately constricted in front of
middle, feebly expanded behind the middle, then strongly narrowed
to the tips, which are separately, broadly rounded, and rather
strongly serrulate; sides of abdomen narrowly exposed above; disk
slightly, longitudinally concave along the sutural margins, which
are elevated posteriorly, a vague costa on each side, and with broad.
moderately deep basal depressions; surface densely, finely imbri-
cate-punctate, sparsely clothed with short, white hair posteriorly,
and each elytron ornamented with white pubescent spots as follows:
a round spot in basal depression, an elongate spot in front of middle,
and a smaller spot at apical third.

Abdomen beneath finely, sparsely punctate, the punctures becoming
coarser and transversely rugose on basal segments, and sparsely, uni-
formly clothed with short, recumbent, white pubescence; first and
second segments broadly, feebly, longitudinally concave at middle,
and the concavity sparsely clothed with long, erect, white hairs; last
segment broadly rounded or subtruncate at apex; vertical portions
of the segments not conspicuously pubescent ; pygidium sparsely punc-
tate but not distinctly carinate. Prosternum rather coarsely rugose,
and sparsely clothed with moderately long, erect, white hairs; pros-
ternal lobe broad, feebly declivous, and arcuately rounded in front;
prosternal process broad, the sides strongly expanded behind the
coxal cavities, then abruptly narrowed to the apex, which is acute.

NORTH AMERICAN BUPRESTID BEETLES 281

Tibiae slender, anterior pair slightly arcuate, and the anterior and
middle pairs armed with a distinct tooth on inner margin at apex.
Posterior tarsi subequal in length to tibae, and the first joint as long
as the following two joints united. Tarsal claws dissimilar, anterior
and middle claws cleft near the tip, and the teeth nearly equal in
length; posterior claws cleft near middle, the inner tooth broad,
shorter than outer one, and not turned inward.

Female—Differs from the male in having the head reddish brown,
the rugae more or less bluish black on vertex and occiput, front
slightly wider, the lateral margins not quite so strongly constricted,
and the surface more strongly rugose on the front; first and second
abdominal segments strongly convex, not sulcate at middle, and
without long pubescence; prosternum without long, erect pubescence
at middle; tibiae unarmed at apex, and the tarsal claws similar on all
feet, cleft near middle, the inner tooth broad, shorter than the outer
one, and not turned inward.

Length, 4-5.5 mm.; width, 1-1.25 mm.

Type locality —Brownsville (Los Borregos), Tex.

Type, allotype, and paratypes.—Cat. No. 41010, U.S.N.M.

Described from 21 examples (one type), all from the type locality.
Type, allotype, and six paratypes collected April 30-May 24, 1904, by
H. S. Barber, one paratype collected February 24, 1909, by F. C.
Pratt, nine paratypes reared from Acacia farnesiana collected by
H. 8. Barber, and three paratypes under Hunter No. 1494, reared
May 18, 1908, from dead branches of Huisache (Acacia farnesiana
(Linnaeus) Willdenow) collected March 19, 1908.

This species is closely allied to abductus Horn, but differs from it
in having the pronotum finely, transversely rugose on the disk, and
the sides parallel or obliquely narrowed from the apical angles to
behind the middle, then more strongly narrowed to the base, and the
epistoma deeply and arcuately emarginate in front, whereas in
abductus the pronotum is coarsely, transversely rugose, the sides are
arcuately rounded near the middle, and the epistoma is only feebly
emarginate in front. The male genitalia are also quite distinct in the
two species.

98. AGRILUS ABDUCTUS Horn

Figure 74

Agrilus abductus Horn, Trans. Amer. Ent. Soc., vol. 18, 1891, pp. 325-326.—
CHITTENDEN, U. S. Dept. Agric., Div. Ent., Bull. 22, new ser., 1900,
p. 67.—F atx, Calif. Acad. Sci., Occasional Papers, no. 8, 1901, p. 241.—
Frost and WEtrss, Canad. Ent., vol. 52, 1920, p. 222—-CHAMBERLIN, Cat.
Buprestidae, 1926, p. 46.

Female—Form moderately elongate, rather strongly flattened
above, and feebly shining; head brownish cupreous, with a vague

282 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

aeneous tinge; pronotuna and elytra piceous, with a cupreous or aene-
ous reflection, and the elytra ornamented with more or less distinct
pubescent spots; beneath brownish cupreous, and more shining than
above.

Head with the front rather wide, moderately convex, wider at
bottom than at top, the lateral margins vaguely expanded at middle,
and with a narrow, vague, longitudinal groove extending from occi-
put to middle of front; surface sparsely, coarsely punctate, coarsely,
irregularly rugose, the rugae becoming longitudinal on the occiput,
and sparsely clothed with short, recumbent, silvery white pubescence;
epistoma transverse between the antennae, and broadly but not
deeply, arcuately emarginate in front; antennae extending to middle
of pronotum, serrate from the fifth joint, and the outer joints slightly
wider than long; eyes large, broadly oval, and slightly more acutely
rounded beneath than above.

Pronotum one-fourth wider than long, slightly narrower at base
than apex, and widest at middle, sides arcuately rounded from apical
angles to behind middle, then more strongly narrowed to near the
posterior angles, where they are more or less sinuate, and the angles
rectangular; when viewed from the side the marginal carina is
strongly sinuate, the submarginal carina feebly sinuate, the two
carinae widely separated anteriorly, and connected to each other near
the base; anterior margin strongly sinuate, and the median lobe
strongly, broadly rounded; base slightly emarginate at middle of
each elytron, the median lobe feebly, broadly rounded, and broadly
emarginate in front of scutellum; disk moderately convex, with a
broad, moderately deep median depression extending from base to
near anterior margin, a broad, deep, oblique depression on each side
along lateral margin, and with sharply defined, arcuate prehumeral
carinae extending from base to near middle; surface obsoletely
granulose, coarsely, strongly, transversely rugose, sparsely, finely
punctate between the rugae, and sparsely clothed with short, incon-
spicuous, white hairs toward the sides. Scutellum strongly, trans-
versely carinate, and the surface densely, finely reticulate.

Elytra wider than pronotum at base, and about equal in width at
base and near apical third; sides nearly parallel for a short distance
behind base, broadly, arcuately constricted in front of middle,
broadly, arcuately expanded behind the middle, then obliquely nar-
rowed to the tips, which are separately, broadly rounded, and strongly
serrulate; sides of abdomen broadly exposed above; disk slightly
longitudinally concave along the sutural margins, which are strongly
elevated from basal fourth to apex, a broad vague costa at outer
margin of concavity, and with broad, deep basal depressions; sur-
face coarsely, densely imbricate-punctate, and each elytron orna-

NORTH AMERICAN BUPRESTID BEETLES 283

mented with white pubescent spots as follows: A round spot in basal
depression, an elongate spot in front of middle, a small round spot at
apical third, and the spots more or less connected laterally by irregu-
larly distributed, short, white hairs.

Abdomen beneath obsoletely granulose, sparsely, finely punctate,
the punctures connected transversely by more or less distinct sinuate
lines, which are coarser on the basal segments, and sparsely, uni-
formly clothed with moderately long, recumbent, whitish hairs; first
segment convex at middle; last segment broadly rounded at apex;
vertical portions of segments rather densely pubescent; pygidium
sparsely punctate, but not distinctly carinate. Prosternum finely,
sparsely punctate, and sparsely clothed with short, recumbent, white
hairs; prosternal lobe broad, moderately declivous, and broadly
rounded in front; prosternal process broad, the sides strongly ex-
panded behind the coxal cavities, then abruptly narrowed to the
apex, which is acute. Tibiae slender, straight, and unarmed at apex.
Posterior tarsi slightly shorter than tibiae, and the first joint as long
as the following two joints united. Tarsal claws similar on all feet,
cleft near the middle, the inner tooth broad, shorter than outer one,
and not turned inward.

Length, 5.88 mm.; width, 1.5 mm.

Male—Differs from the female in having the head opaque, dark
bronzy brown, with a feeble cupreous tinge, front narrower and less
convex, the lateral margins broadly, strongly constricted near middle,
and the pubescence longer; first abdominal segment rather broadly,
feebly, longitudinally concave at middle, but without long, erect
hairs; prosternum clothed with long, semierect, white hairs at middle;
anterior and middle tibiae armed with a short tooth on inner margin
at apex; and the tarsal claws dissimilar, anterior and middle claws
cleft near the tip, and the teeth nearly equal in length, posterior
claws cleft near middle, the inner tooth broad, shorter than outer one,
and not turned inward.

Redescribed from the female lectotype No. 3491 in the Philadelphia
Academy of Natural Sciences.

Type locality—Texas (no definite locality given).

DISTRIBUTION
Material examined:

ALABAMA: Hazen, April 4, 1923 (L. B. Woodruff).
GroreiA: Macon, April 22, 1903 (W. F. Fiske).
Texas: Sabinal, April, 1910 (F. C. Pratt). Fedor, Lee County, May (——).
It has also been recorded from Arizona and New Mexico, but no examples were
seen from these States.
Variations—This species varies in color from bronzy brown to
brownish black, and in some examples the median depression on the
2305—28——_19

284 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

pronotum is feebly interrupted at the middle. The pubescence on
the elytra usually forms designs similar to lecontei, but frequently
it is partially lost by abrasion, in which case the specimen could easily
be mistaken for one of the species having spots on the elytra. Length
4 to 5.5 millimeters.

Host.—The larval habits are unknown, but Chittenden (1900) re-
cords it as having been observed by H. G. Hubbard and E. A.
Schwarz on Arizona white oak (Quercus arizonica Sargent).

This species is closely allied to lecontet Saunders, and quercus
. Schaeffer. From the former it can be easily distinguished by having
the prosternal lobe broadly rounded in front, whereas in lecontei
it is deeply, arcuately emarginate. From quercus it can be separated
by the prosternal process being expanded behind the coxal cavities,
whereas in guercus the sides are parallel to each other to behind the
coxal cavities. The male genitalia are also different in these three
species.

99. AGRILUS PSEUDOFALLAX Frost

Figure 75

Agrilus pseudofallax Frost, Canad. Ent., vol. 55, 1928, pp. 279-280.—
KNULL, Ohio State Univ. Studies, vol. 2, no. 2, 1925, p. 51, pl. 1, fig.
15.—CHAMBERLIN, Cat. Buprestidae, 1926, p. 79.

Agrilus addendus BuatcHLEy (not Crotch), Coleoptera of Indiana, 1910,
p. 804.—Frost and WEIss, Canad. Hnt., vol. 52, 1920, p. 223.—-CHAMBER-
LIN, Cat. Buprestidae, 1926, p. 48 (part). (These records probably
refer to pseudofallax or egeniformis).

Agrilus impexus STRoMBERG (not Horn), Canad. Ent., vol. 26, 1894, pp.
36-37.—CHITTENDEN, U. S. Dept. Agric., Div. Ent., Bull. 22, new ser.,
1900, p. 68.—F Rost and Weiss, Canad. Ent., vol. 52, 1920, p. 223.—
CHAMBERLIN, Cat. Buprestidae, 1926, p. 66 (part). (These records
probably refer to pseudofallax or egeniformis).

Male—F¥orm resembling fallax, but more robust, slightly flattened
above, and feebly shining; head bronzy green in front, becoming
brownish cupreous on the occiput; pronotum and elytra dark brown,
with a distinct aeneous or cupreous tinge, and each elytron ornamented
with three pubescent spots; beneath brownish cupreous, and more
shining than above.

Head with the front rather wide, nearly flat, shughtly wider at
bottom than at top, the lateral margins obliquely expanded at bot-
tom, and feebly, arcuately expanded near middle, and with the
median groove only vaguely indicated on the occiput; surface finely,
densely granulose, sparsely, coarsely punctate, transversely rugose
behind epistoma, longitudinally rugose on occiput, and sparsely
clothed with short, semierect, silvery white hairs on the front; epis-
toma scarcely transverse between the antennae, and broadly, deeply,
arcuately emarginate in front; antennae extending beyond middle

NORTH AMERICAN BUPRESTID BEETLES 285

of pronotum, serrate from the fifth joint, and the outer joints as
wide as long; eyes large, elongate, and more acutely rounded
beneath than above.

Pronotum about one-fourth wider than long, about equal in width
at base and apex, and widest near middle; sides slightly arcuately
rounded from apical angles to behind middle, then more strongly
narrowed to the posterior angles, which are rectangular; when
viewed from the side the marginal and submarginal carinae are
strongly sinuate, narrowly separated anteriorly, and connected to
each other behind the middle; anterior margin strongly sinuate,
and the median lobe strongly, broadly rounded; base feebly emargi-
nate at middle of each elytron, the median lobe strongly, broadly
rounded, and distinctly emarginate in front of scutellum; disk
moderately convex, with a broad, elongate median depression, more
or less interrupted at middle, and slightly deeper posteriorly, a broad,
deep, oblique depression on each side along the lateral margin, which
is slightly flattened, and with straight, vague, obtuse prehumeral
carinae; surface vaguely granulose, strongly, transversely rugose,
sparsely, finely punctate between the rugae, and sparsely clothed
with yellowish pubescence in the lateral depressions. Scutellum
strongly, transversely carinate, and the surface finely, densely
reticulate.

Elytra shghtly wider than pronotum at base, and about equal in
width at base and behind middle; sides nearly parallel for a short
distance behind base, feebly, broadly constricted in front of middle,
broadly, arcuately expanded behind the middle, then obliquely nar-
rowed to the tips, which are separately, narrowly rounded, and
feebly serrulate; sides of abdomen narrowly exposed above; disk
feebly, longitudinally concave along the sutural margins, sutural
margins strongly elevated from basal third to apex, and with broad,
shallow basal depressions; surface coarsely, densely imbricate-punc-
tate, and each elytron ornamented with three round, yellowish
pubescent spots, one in basal depression, one in front of middle, and
the other at apical third.

Abdomen beneath obsoletely reticulate, finely, sparsely punctate,
the punctures connected transversely by more or less distinct sinuate
lines, which are coarser on the basal segments and sparsely, uni-
formly clothed with rather short, recumbent, whitish hairs; first
segment flattened or slightly concave at middle; last segment broadly
rounded at apex, vertical portions of the segments not conspicuously
pubescent; pygidium sparsely, coarsely punctate, but not distintctly
carinate. Prosternum finely, sparsely punctate, and rather densely
clothed with long, erect, fine, whitish hairs, which extend along the
middle of body to behind the middle of second abdominal segment ;
prosternal lobe broad, feebly declivous, and broadly but not deeply

286 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

emarginate in front; prosternal process broad, the sides parallel to
behind the coxal cavities, then abruptly narrowed to the apex, which
is acute. Tibiae slender, and the anterior and middle pairs armed
with a short tooth on the inner margin at apex. Posterior tarsi
slightly shorter than the tibiae, and the first joint as long as the
following two joints united. Tarsal claws similar on all feet, cleft
near the middle, the inner tooth broad, shorter than the outer one,
and not turned inward. A

Length, 5.75 mm.; width, 1.5 mm.

Female.—Differs from the male in having the head uniformly
mahogany red, lateral margins obliquely narrowed from bottom to
top, surface not so distinctly granulose, and the pubescence sparser ;
first abdominal segment convex at middle; prosternum without long,
erect pubescence, and the tibiae unarmed.

Redescribed from the male type in the collection of C. A. Frost.

Type locality —Allegheny County, Pa.

DISTRIBUTION

Material examined:

ALABAMA: Hazen, April 4, 1921 (L. B. Woodruff).

Inp1AnA: No definite locality.

Iowa: Fort Madison ( ye

Kansas: Benedict County (W. Knaus).

Lov1staNa: Tallulah, April 13, 1910 (——). Opelousas, May 7, 1908 (R. A.

Cushman).
MisstsstpP1: Agricultural College, March 23, 1920 (M. W. Blackman).
Outo: Maumee, June 7 (A. Mathewson) ; Cincinnati (——).

PENNSYLVANIA: Jeannette, June-July; Pittsburgh, June 3 (H. G. Klages).

Variations —The color is rather constant, although some examples
have a slightly more cupreous or greenish tinge than others, and the
median depressions on the pronotum and the prehumeral carinae are
more or less variable. Length 4.5 to 6.25 millimeters.

Host.—This species has never been reared, therefore the larval
habits are unknown, but the adults have been collected by Woodruff
in Alabama on oak (Quercus sp.).

Superficially this species resembles very closely fallax Say, and the
two species are probably confused in most collections, but it can be
readily separated from fallaw by having the antennae serrate from
the fifth joint.

100. AGRILUS EGENIFORMIS Champlain and Knull
Figure 76

Agrilus egeniformis CHAMPLAIN and KNULL, Ent. News, vol. 34, 19238, pp.
84-85, fig. 3—KnuLL, Ohio State Univ. Studies, vol. 2, no. 2, 1925,
pp. 51-52, pl. 1, figs. 5, 18—CHamBeriLin, Cat. Buprestidae, 1926, p.
59.

NORTH AMERICAN BUPRESTID BEETLES 287

Agrilus addendus BLATCHLEY (not Crotch), Coleoptera of Indiana, 1910,
p. 804.—Frost and WEIss, Canad. Ent., vol. 52, 1920, p. 223._CHam-
BERLIN, Cat. Buprestidae, 1926, p. 48 (part). (These records prob-
ably refer to pseudofallaxr or egeniformis).

Agrilus impexus StTromBere (not Horn), Canad. Ent., vol. 26, 1894, pp.
36—37.—CHITTENDEN, U. 8. Dept. Agric., Diy. Ent., Bull. 22, new ser.,
1900, p. 68.—F Rost and Wetss, Canad. Ent., vol. 52, 1920, p. 223—CHAm-
BERLIN, Cat. Buprestidae, 1926, p. 66 (part). (These records probably
ably refer to pseudofallaw or egeniformis.)

Male——F¥orm resembling egenus Gory, slightly flattened above, and
strongly shining; head green, with a distinct aeneo-cupreous tinge;
pronotum and elytra bronzy green to olivaceous green, and each
elytron ornamented with three more or less distinct pubescent spots ;
beneath bronzy green, with a sight cupreous tinge, and more shining
than above. ;

Head with the front rather wide, feebly convex, about equal in
width at top and bottom, the lateral margins nearly parallel, vaguely
constricted near bottom, and with a broad, vague, median depression
on’ vertex ; surface densely, finely granulose, feebly, sparsely punctate,
transversely rugose behind epistoma, longitudinally rugose on occi-
put, and sparsely clothed with short, recumbent, silvery white hairs
behind the epistoma; epistoma slightly transverse between the an-
tennae, and broadly, deeply, arcuately emarginate in front; antennae
extending to posterior angles of pronotum, serrate from the fifth
joint, and the outer joints distinctly longer than wide; eyes large,
broadly elongate, and slightly more acutely rounded beneath than
above.

Pronotum about one-third wider than long, nearly equal in width
at base and apex, and widest along apical half; sides nearly parallel
or vaguely, arcuately rounded from apical angles to behind middle,
then more strongly narrowed to the posterior angles, which are rec-
tangular; when viewed from the side the marginal and submarginal
carinae are slightly sinuate, narrowly separated anteriorly, and con-
nected to each other behind the middle, anterior margin strongly
sinuate, and the median lobe strongly, broadly rounded; base trans-
versely bisinuate, with the median lobe feebly produced, and sub-
truncate in front of scutellum; disk moderately convex, with two
feeble, median depressions, a broad, shallow, oblique depression on
each side along lateral margin, and with sharply defined, straight,
prehumeral carinae, extending from posterior angles to near middle;
surface finely granulose, coarsely, transversely rugose, and sparsely,
finely punctate between the rugae. Scutellum strongly, transversely
carinate, and the surface finely densely reticulate.

288 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

tips which are separately, narrowly rounded, and rather coarsely ser-
rulate; sides of abdomen narrowly exposed above; disk feebly, longi-
tudinally depressed along sutural margins at middle, sutural margins
rather strongly elevated from basal third to apex, and with broad,
shallow basal depressions; surface coarsely, densely imbricate-punc-
tate, sparsely clothed with short, inconspicuous hairs posteriorly,
and each elytron ornamented with three whitish pubescent spots, one
in basal depression, one in front of middle, and the other at apical
third.

Abdomen beneath obsoletely reticulate, finely, sparsely punctate,
the punctates connected transversely by more or less distinct sinuate
or crenulate lines, which are coarser on the basal segments, and
sparsely clothed with short, recumbent, white hairs; first and second
segments broadly, longitudinally concave at middle; last segment
broadly rounded or subtruncate at apex, with a few coarse granules
near the posterior margin; vertical portions of segments slightly
more pubescent than ventral surface; pygidium vaguely punctate,
and feebly carinate, but the carina not projecting. Prosternum
sparsely, coarsely punctate, more or less rugose, and rather densely
clothed at middle with long, erect, fine, whitish hairs, which extend
along the middle of body to the posterior margin of second abdomi-
nal segment; prosternal lobe broad, slightly declivous, and feebly,
broadly emarginate in front; prosternal process broad, the sides
parallel to behind the coxal cavities, then abruptly narrowed to the
apex, which is acute. Tibiae slender, the anterior and middle pairs
slightly arcuate, and armed with a distinct tooth on inner margin at
apex. Posterior tarsi about as long as the tibiae, and the first joint
as long as the following three joints united. Tarsal claws similar on
all feet, cleft near the middle, the inner tooth broad, shorter than
outer one, and not turned inward.

Length, 4.75 mm.; width, 1.2 mm.

Female—Differs from the male in having the head slightly more
bronzy green, and the surface more strongly rugose; antennae not
extending to posterior angles of pronotum; first and second abdomi-
nal segments not depressed or densely pubescent at middle; pros-
ternum without long, erect pubescence; posterior tarsi net as long as
tibiae, and the tibiae unarmed at the apex.

Redescribed from the male type in the collection of J. N. Knull.

Type locality — C. Missouri.”

DISTRIBUTION
Material examined:

Iowa: Ames, July 4 (F. M. Hull).

Kansas: Douglas County, May 21, 1923 (P. B. Lawson, F. H. Snow). Wyan-
dotte County, June 23, 1924; Leavenworth County, June 28, 1924 (R. H.
Beamer).

NORTH AMERICAN BUPRESTID BEETLES 289

Missouri: No definite locality.

NEBRASKA: West Point, June, 1888 (L. C. Bruner).

Oxut1o: Columbus, June, July (J. N. Knull).

OKLAHOMA: Lawton, June 10, 1917 (G. W. Barber).
PENNSYLVANIA: Jeannette, July 1 (H. G. Klages).

SoutH CaRoLInAa: Clemson College, June 29, 1926 (J. O. Pepper).

Variations—The color varies from bronzy green to brownish cu-
preous, the pubescent spots are more or less abraded in some exam-
ples, and occasionally these spots are obsolete. Length 3.75 to 4.75
millimeters.

Host.—Nothing is known of the larval habits of the species, but
the adults have been collected by Bruner in Nebraska on honey locust
(Gleditsia triacanthos Linnaeus).

This species is very closely allied to pseudofallax Frost, but the
pubescent spots on the elytra are not very distinct and the median
ones are elongate, the median depression on the pronotum is obsolete,
the front of the head in the female is bronzy green, and the sides of
the male genitalia are strongly, arcuately expanded near the apex,
whereas in pseudofallax the pubescent spots on the elytra are dis-
tinct and the median ones rounded, the median depression on pro-
notum is distinct, the front of the head in the female is mahogany
red, and the sides of the male genitalia are nearly parallel to each
other.

101. AGRILUS DOLLI Schaeffer
Figure 77

Agrilus dollii Scuamrrer, Journ. N. Y. Ent. Soe., vol. 12, 1904, pp. 210-
211.—Frost and Weiss, Canad. Ent., vol. 53, 1921, p. 72—CHAMBERLIN,
Cat. Buprestidae, 1926, p. 59.

Male—Form similar to lecontei; head dark bronzy green, becom-
ing brownish cupreous on occiput, and strongly shining; pronotum
and elytra dark bronzy brown or piceous, more or less cupreous, with
a vague, bluish black facia behind middle, and the elytra ornamented
with pubescent designs; beneath brownish or reddish cupreous, with
a feeble greenish reflection.

Head with the front rather wide, slightly convex, about equal in
width at bottom and top, the lateral margins nearly parallel, and
with a feeble, broad, longitudinal depression extending from occiput
to epistoma, in front of which it is more broadly depressed; surface
sparsely, coarsely punctate, coarsely, irregularly rugose, the rugae
becoming somewhat longitudinal on the occiput, and clothed with a
few short, inconspicuous hairs; epistoma strongly transverse between
the antennae, and broadly, deeply, arcuately emarginate in front;
antennae scarcely extending to middle of pronotum, serrate from the
fifth joint, and the outer joints about as wide as long; eyes moder-

290 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

ately large, rather broadly oval, and equally rounded above and
beneath.

Pronotum one-third wider than long, about equal in width at base
and apex, and widest at middle; sides slightly arcuately rounded
from apical angles to base; when viewed from the side the marginal
carina is strongly sinuate and strongly deflexed anteriorly, the sub-
marginal carina nearly straight, the two carinae widely separated
anteriorly, and connected to each other near the middle; anterior
margin moderately sinuate, and the median lobe broadly rounded;
base slightly emarginate at middle of each elytron, the median lobe
feebly, broadly rounded, and truncate in front of scutellum; disk
moderately convex, with two broad, deep median depressions, con-
nected by a narrow groove, a broad, oblique depression on each side
along lateral margin, and with sharply defined, long prehumeral
carinae; surface vaguely granulose, feebly but not closely rugose,
sparsely, finely punctate, and sparsely clothed with short, recumbent,
whitish hairs. Scutellum strongly, transversely carinate, and the
surface finely, densely reticulate.

Klytra slightly wider than pronotum at base, and feebly wider at
base than behind middle; sides slightly rounded for a short distance
behind base, feebly, broadly constricted in front of middle, broadly,
arcuately expanded behind the middle, then obliquely narrowed to
the tips, which are strongly emarginate and serrulate; sides of abdo-
men narrowly exposed above; disk feebly longitundinally depressed
along sutural margins, with feeble indications of a costa on each
side, sutural margins slightly elevated posteriorly, and with broad,
shallow basal depressions; surface feebly, coarsely imbricate-punc-
tate, and ornamented with pubescent designs as in lecontei.

Abdomen beneath obsoletely granulose, sparsely, finely punctate,
the punctures denser and connected transversely by fine, sinuate
lines on basal segments, and sparsely clothed with short, recumbent,
whitish hairs; first segment convex, without a median depression ; last
segment broadly rounded or subtruncate at apex; vertical portions
of segments not conspicuously pubescent; pygidium rather strongly
carinate, but the carina not projecting. Prosternum finely, sparsely
punctate, and sparsely clothed with short, erect, inconspicuous hairs;
prosternal lobe broad, rather strongly declivous, and broadly, deeply,
arcuately emarginate in front; prosternal process broad, the sides
strongly expanded behind the coxal cavities, then transversely trun-
cate to the apex, which is acute. Tibiae slender, anterior pair feebly
arcuate, and the anterior and middle pairs armed with a short tooth
on inner margin at apex. Posterior tarsi distinctly shorter than
tibiae, and the first joint about as long as the following two joints
united. ‘Tarsal claws dissimilar; anterior claws cleft near the tip

NORTH AMERICAN BUPRESTID BEETLES 291

and the teeth nearly equal in length; middle and posterior claws
cleft near the middle, the inner tooth broad, much shorter than the
outer one, and not turned inward.

Length, 4.5 mm.; width, 1.25 mm.

Female—Differs from the male in having the head uniformly dark
reddish brown, sometimes with a feeble greenish reflection; pro-
‘sternum without erect hairs at middle; tibiae unarmed at apex, and
the tarsal claws similar on all feet, cleft near the middle, the inner
tooth broad, shorter than outer one, and not.turned inward.

Redescribed from the male cotype Cat. No. 254, in the Museum
of the Brocklyn Institute of Arts and Sciences.

Type locality Esperanza Ranch, Brownsville, Tex.

DISTRIBUTION
Material examined:

TrxAs: Brownsville (Hsperanza Ranch), June 14—-July 1; Tolusa, May (Chas.
Schaeffer). Brownsville (Los Borregos), May 22-24, 1904 (H. 8S. Barber).

V ariations——The specimens examined show very little variation,
except in size, and occasionally the pubescent markings are more or
less abraded. Length 3.75 to 5 millimeters.

Host—Schaeffer collected the adults of this species on the branches
of Texas ebony (Acacia) Pithecolobium flexicaule (Bentham) Coul-
ter, but so far the species has not been reared.

This species resembles very closely Jecontei Saunders, but can be
readily separated from that species by having the tips of the elytra
emarginate.

102. AGRILUS LECONTEI Saunders
Figure 78

Agrilus subfasciatus LeContE, Trans. Amer. Philos. Soc., vol. 11, new ser.,
1859, pp. 245-246 (name preoccupied ).—CrotcH, Proc. Acad. Nat. Sci.
Phila., vol. 25, 1873, p. 93.

Agrilus ltecontei SAUNDERS, Cat. Buprestidarum, 1871, p. 117, no. 110 (new
name for swbfasciatus).—Lucarr, Psyche, vol. 4, 1884, p. 203.—HornN,
Trans. Amer. Ent. Soc., vol. 18, 1891, pp. 324-825, pl. 8, figs. 5, 17—
STRoMeBERG, Canad. Ent., vol. 26, 1894, p. 36—Haminton, Trans. Amer.
Ent. Soc., vol. 22, 1895, p. 364——SmirH, 27th Ann. Rept. N. J. State
Board Agric. for 1899 (1900), suppl. p. 258.—CuirrenpDEen, U. S. Dept.
Agric., Div. Ent., Bull. 22, new ser., 1900, p. 68—Utxg, Proc. U. S. Nat.
Mus., vol. 25, no. 1275, 1902, p. 21—ScuHarrrer, Journ. N. Y. Ent. Soce.,
vol, 12, 1904, p. 211—F ert, N. Y. State Mus., Mem. 8, vol. 2, 1906, p.
736.—BLATCHLEY, Coleoptera of Indiana, 1910, p. 804, figs. 307a—d,
3lle—SmirH, Ann. Rept. N. J. State Mus. for 1909 (1910), p. 295—
KNULL, Ent. News, vol. 31, 1920, p. 11—Frost and Wetss, Canad. Ent.,
vol. 52, 1920, p. 222.—Boévine and CHAMPLAIN, Proce. U. S. Nat. Mus.,
vol. 57, 1920, p. 636.—KNULL, Canad. Ent., vol. 54, 1922, p. 86.—

292 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

MutTcHLEe and Wertrss, N. J. Dept. Agric., Bur. Statistics and Inspec-
tion, Cire. 48, 1922, p. 9, pl. 1, figs. 83, 5—-Biackman and Sracg, N. Y.
State College Forestry, Tech. Pub. 17, pt. 1, 1924, p. 66—KNULL, Ohio
State Univ. Studies, vol. 2, no. 2, 1925, p. 51, pl. 1, figs. 31-32.—
CHAMBERLIN, Cat. Buprestidae, 1926, pp. 68-69.

Male——Form moderately elongate, slightly flattened above, and
rather strongly shining; head light green in front, and becoming
brownish cupreous on the occiput; pronotum and elytra dark bronzy
brown, with a more or less distinct cupreous tinge, and the elytra
ornamented with pubescent designs; beneath brownish cupreous, the
legs slightly greenish, and scarcely more shining than above.

Head with the front rather wide, feebly convex, slightly wider at
bottom than at top, the lateral margins feebly narrowed from bottom
to top, and with a feeble, broad, longitudinal depression extending
from occiput to epistoma, the depression broader behind the epis-
toma; surface sparsely, coarsely punctate, coarsely rugose, the rugae
irregular on the front but becoming longitudinal on the occiput, and
sparsely clothed with long, recumbent, whitish hairs; epistoma
strongly transverse between the antennae, and broadly but not very
deeply, arcuately emarginate in front; antennae extending beyond
middle of pronotum, serrate from the fifth joint, and the outer joints
about as long as wide; eyes moderately large, elongate, and more
acutely rounded beneath than above.

Pronotum about one-half wider than long, about equal in width at
base and apex, and widest at middle; sides feebly, arcuately rounded
from apical angles to behind middle, then more strongly narrowed
to the posterior angles, which are rectangular; when viewed from
the side the marginal carina is slightly sinuate, the submarginal
carina nearly straight, the two carinae rather widely separated an-
teriorly, and connected to each other near the middle; anterior
margin strongly sinuate, and the median lobe broadly, strongly
rounded; base slightly emarginate at middle of each elytron, the
median lobe feebly rounded, and subtruncate in front of scutellum;
disk moderately convex, with two broad, deep median depressions,
feebly connected by a narrow groove, a broad, moderately deep,
oblique depression on each side along lateral margin, and with dis-
tinct, long, prehumeral carinae; surface coarsely but not closely,
transversely rugose, finely, sparsely punctate between the rugae, and
sparsely clothed with short, recumbent, white hairs. Scutellum
strongly, transversely carinate, and the surface finely, densely
reticulate.

Elytra slightly wider than pronotum at base, and about equal in
width at base and*behind the middle; sides nearly parallel for a
short distance behind base, feebly, broadly constricted in front of

NORTH AMERICAN BUPRESTID BEETLES 293

middle, broadly, arcuately expanded behind middle, then obliquely
narrowed to the tips, which are separately, broadly rounded, and
strongly serrulate; sides of abdomen not distinctly exposed above;
disk feebly, longitudinally depressed along sutural margins, with
feeble indications of a costa on each side, sutural margins elevated
posteriorly, and with broad, shallow basal depressions; surface feebly,
coarsely imbricate-punctate, and each elytron ornamental with whit-
ish pubescent designs as follows: A rather broad vitta, more or less
interrupted, extending along suture from basal depression to middle,
then obliquely backward toward lateral margin, and the apical third
vaguely pubescent, inclosing a glabrous spot near the suture.

Abdomen beneath sparsely, finely punctate, the punctures denser on
basal segment, connected transversely by more or less distinct sinuate
lines, and uniformly, rather densely clothed with short, recumbent,
whitish pubescence; first segment slightly flattened at middle, and
sparsely clothed with long, erect, inconspicuous hairs; last segment
broadly rounded or subtruncate at apex; vertical portions of segments
not conspicuously pubescent; pygidium coarsely punctate, vaguely
carinate, but the carina not projecting. Prosternum finely, densely
punctate, and sparsely clothed with long, erect, inconspicuous hairs;
prosternal lobe broad, rather strongly declivous, and broadly, deeply,
arcuately emarginate in front; prosternal process broad, the sides
parallel to behind the coxal cavities, then obliquely narrowed to the
apex, which is acute. Tibiae slender, the anterior and middle pairs
slightly arcuate, and armed with a short tooth on inner margin at
apex. Posterior tarsi slightly shorter than the tibiae, and the first
joint as long as the following three joints united. Tarsal claws dis-
similar; claws on each anterior tarsus different, one claw is cleft near
the one and the teeth nearly equal in length, the opposite claw cleft
near the middle, the inner tooth broader and distinctly shorter than
the outer one; middle and posterior claws cleft near middle, the inner
tooth broad, shorter than outer one, and not turned inward.

Length, 5 mm.; width, 1.25 mm.

Female—Differs from the male in having head uniformly dark
brownish cupreous, the front nearly equal in width at top and bottom,
lateral margins nearly parallel, and the surface coarsely rugose in
front, and less pubescent; first abdominal segment convex at middle,
and without long pubescence; prosternum without long, erect hairs at
middle; tibiae unarmed at apex, and the tarsal claws similar to the
posterior claws of male on all feet.

Redescribed from the male type of suwbfasciatus in the Museum of
Comparative Zodlogy.

Type locality.—Illinois (no definite locality given).

994 ° BULLETIN 145, UNITED STATES NATIONAL MUSEUM

DISTRIBUTION

Material has been examined from various localities in the following
States:

District of Columbia, Llinois, Indiana, Iowa, Kansas, Maryland, Michigan,
Missouri, New Jersey, New York, Ohio, Pennsylvania, South Carolina,
Virginia, West Virginia and Wisconsin. It has also been recorded in
the literature from Louisiana and Mississippi, but these records may
refer to the subspecies celticola.

Variations.—The color is quite constant, but the pubescence may be
more or less abraded. The median depressions on the pronotum vary
more or less in depth, but still preserve the form of two depressions
united by a groove. Length 4 to 6 millimeters.

Host.—This species has been reared a number of times from dead
branches of hackberry (Celtis occidentalis Linnaeus). Lugger (1884)
records it as breeding in dogwood (Cornus florida Linnaeus), but
this is probably an error of identification, either of the insect or the
host.

This species was first described by LeConte (1859) under the name
of subfasciatus, but since this name was preoccupied by Gory (1841)
for a species of the same genus from Brazil, Saunders (1871) re-
named it leconte?.

102a. AGRILUS LECONTEI CELTICOLA, new subspecies

This subspecies differs from the typical form in having the pubes-
cent designs on the elytra usually more distinct, and the male with
the tarsal claws similar on the anterior feet, both claws being cleft

near the tip, and the two teeth about equal in length, whereas in -

the typical form the claws are dissimilar on the anterior feet; one
claw is cleft near the tip and the teeth nearly equal in length, the
opposite claw is cleft near the middle, and the inner tooth broader
and distinctly shorter than the outer one: Male genitalia similar
to lecontei Saunders.

Length, 3-6 mm.; width, 0.9-1.75 mm.

Type locality —Brownsville, Tex.

Other localities—Arizona: Oracle, July (Hubbard and Schwarz).
Texas: Zavalla County, April (Hunter and Pratt) ; Sanderson, May
(J. D. Mitchell); Beeville, April (E. A. Schwarz); Brownsville,
March—June (Jones and Pratt, E. A. Schwarz, H. S. Barber, and
McMillan) ; San Diego, April-May (EK. A. Schwarz, C. H. T. Town-
send); Victoria, March (J. D. Mitchell, E. A. Schwarz); Sabinal,
May (F. C. Pratt); Dallas, March-May (Cushman, Pratt, Pierce) ;
Columbus, May-June (KE. A. Schwarz); San Antonio, June ( Ne
Devil’s River, May (Bishopp and Pratt); Sheffield, April (J. O.
Martin); Kerrville, April-June (F. C. Pratt); Cypress Mills
( ); Edinburg (——).

i ie

NORTH AMERICAN BUPRESTID BEETLES 995

Type, allotype, and paratypes —Cat. No. 41012, U.S.N.M. Para-
types in the California Academy of Sciences.

Described from a large series of specimens (one type). This sub-
species has been reared from sugarberry (Celtis laevigata Willde-
now), and from the material examined, seems to be confined to the
southwestern part of the country. The larval habits and male
genitalia are similar to those of the typical form, but since the males
can be readily separated by the tarsal claws on the anterior feet, it
seems advisable to consider it as a valid subspecies.

1038. AGRILUS ABJECTUS Horn
Figure 79

Agrilus abjectus Horn, Trans. Amer. Hnt. Soc., vol. 18, 1891, pp. 321-322.—
CHAMBERLIN, Cat. Buprestidae, 1926, p. 47.

Male——F¥orm rather robust, subcylindrical, slightly flattened above,
and feebly shining; head bronzy green in front, becoming brownish
cupreous on the occiput; pronotum and elytra brownish black, with a
more or less distinct aeneous or cupreous tinge, and the elytra orna-
mented with three more or less distinct pubescent spots; beneath
brownish black, with a cupreous or aeneous reflection, and more
shining than above.

Head with the front rather wide, feebly convex, and slightly wider
at top than at bottom, the lateral margins feebly expanded from
bottom to top, and with a broad, shallow depression extending from
occiput to epistoma; surface sparsely, coarsely punctate, coarsely,
irregularly (more or less obliquely posteriorly) rugose, and sparsely
clothed with semierect, inconspicuous pubescence; epistoma narrow
between the antennae, and feebly, broadly, arcuately emarginate in
front; antennae extending to about middle of pronotum, serrate from
the fifth joint, and the outer joints about as wide as long; eyes large,
broadly oval, and slightly more acutely rounded beneath than above.

Pronotum as long as wide, slightly narrower at base than apex,
and widest at apical third; sides feebly, arcuately rounded from
apical angles to middle, then more strongly narrowed to near base
where they are feebly sinuate, and the posterior angles rectangular ;
when viewed from the side the marginal carina is moderately sinuate,
submarginal carina nearly straight, the two carinae rather widely
separated anteriorly, and connected to each other at base; anterior
margin strongly sinuate, and the median lobe strongly, broadly
rounded; base feebly, broadly emarginate at middle of each elytron,
the median lobe feebly, broadly rounded, and subtruncate in front of
scutellam; disk strongly convex anteriorly, with an obsolete, linear
median depression, lateral depressions scarcely indicated, sides not

296 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

explanate, and without distinct prehumeral carinae; surface densely,
coarsely, very irregularly rugose, finely, sparsely punctate between
the rugae, and without distinct pubescence. Scutellum feebly, trans-
versely carinate, and the surface finely, densely reticulate.

Klytra distinctly wider than pronotum at base, and about equal in
width at base and behind middle; sides feebly rounded for a short
distance behind the base, feebly, broadly constricted near middle,
broadly arcuately expanded behind middle, then obliquely narrowed
to the tips, which are separately, rather broadly rounded, and feebly
serrulate; sides of abdomen broadly exposed above; disk feebly de-
pressed, sutural margins slightly elevated posteriorly, and with
broad, shallow basal depressions; surface densely, coarsely imbricate-
punctate, sparsely uniformly clothed with short, recumbent, white
hairs, and each elytron ornamented with more or less distinct pubes-
cent spots as follows: One in basal depression, one in front of middle,
and the other at apical third.

Abdomen beneath rather densely, finely punctate, the punctures
connected transversely by fine, sinuate lines, which are coarser on
basal segment, and sparsely clothed with recumbent, whitish pubes-
cence, which is slightly longer at middle of basal segment; first seg-
ment feebly convex at middle, last segment broadly rounded at apex;
vertical portions of first segment rather densely pubescent; pygidium
coarsely punctate, feebly, longitudinally carinate, but the carina not
projecting. Prosternum densely punctate, somewhat rugose, and
sparsely clothed with long, erect, inconspicuous hairs; prosternal lobe
broad, strongly declivous, and broadly, rather deeply, arcuately
emarginate in front; prosternal process broad, the sides expanded
behind the coxal cavities, and truncate at apex (visible part). Tibiae
slender, anterior pair slightly arcuate, and the anterior and middle
pairs armed with a short tooth on inner margin at apex. Posterior
tarsi distinctly shorter than tibiae, and the first joint as long as the
following two joints united. Tarsal claws similar on all feet, cleft
near the middle, the inner tooth broad, shorter than outer one, and
not turned inward.

Length, 6.75 mm.; width, 1.75.

Female.—Differs from the male in having the head more cupreous -

in front; first two abdominal segments more finely punctured and
less pubescent; prosternum more sparsely punctured and the
pubescence at middle shorter, and the tibiae unarmed at apex.
Redescribed from the male and female cotypes, Cat. No. 6608 in
the United States National Museum.
Type locality —Texas (definite locality unknown).

nie ni

NORTH AMERICAN BUPRESTID BEETLES 297

DISTRIBUTION
Material examined:

Texas: Victoria, April 18-May 3 (J. D. Mitchell). Kerrville, May 30—June 2
(EF. C. Pratt). Chamberlin (1926) records it also from Davis and Flotonia,
Tex., and from Onaga, Kans.; the latter record is probably from an incor-
rectly identified specimen, and probably should be imperus Horn.

Variations—The color varies from bronzy brown to cupreous
brown, and the length from 6 to 7.5 millimeters. In some examples
the pubescent spots on the elytra are scarcely visible, whereas in
others they are rather distinct.

Host.—Unknown.

This species seems to be rare in collections and very few examples
have been examined. Horn described the species from five examples,
all of which are from the Belfrage collection, and without definite
locality labels. The lectotype No. 3489 in the collection of the
Philadelphia Academy of Natural Sciences is a female. The four
other examples mentioned by Horn in his description as being in the
National Museum are badly confused, and represent three different
species, two of which are abjectws Horn (male and female), one is
impeawus Horn, and the other one is addendus Crotch.

The species is not conspicuously marked, but among those in which
the antennae are serrate from the fifth joint it may be known by the
very convex pronotum, with a feeble median depression, absence of
prehumeral carinae, the feeble pubescent spots on the elytra, and the
sides of the prosternal process expanded behind the coxal cavities.

104. AGRILUS BLANDUS Horn
Figure 80

Agrilus blandus Horn, Trans. Amer. Ent. Soc., vol. 18, 1891, p. 321.—F att,
Calif. Acad. Sci., Occasional Papers, no. 8, 1901, pp. 120-121.—WickHam,
Canad. Ent., vol. 35, 1903, p. 71—-WoopwortH, Guide to California
Insects, 1913, p. 195-CHAMBERLIN, Cat. Buprestidae, 1926, p. 55.

Male—Form moderately robust, subcylindrical, vaguely flattened
above, and feebly shining; head cupreous, with a more or less aeneous
tinge; pronotum dark brownish cupreous; elytra reddish cupreous,
and ornamented with whitish pubescent vittae; beneath cupreous,
with an aeneous tinge, and more shining than above.

Head with the front rather wide, feebly convex, and slightly wider
at top than at bottom, the lateral margins feebly expanded from
bottom to top, and with a rather broad, shallow, longitudinal depres-
sion extending from occiput to epistoma, behind which the surface
is transversely depressed; surface obsoletely granulose, rather
densely, coarsely punctate, coarsely, irregularly rugose, and sparsely
clothed with long, recumbent, whitish pubescence; epistoma trans-

298 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

verse between the antennae, slightly elevated, and broadly but not
deeply, arcuately emarginate in front; antennae extending to middle
of pronotum, serrate from the fifth joint, and the outer joints slightly
longer than wide; eyes large, elongate, and slightly more acutely
rounded beneath than above.

Pronotum slightly wider than long, feebly narrower at base than
apex, and widest near middle; sides slightly arcuately rounded
from apical angles to behind middle, then more strongly narrowed
to the posterior angles, which are rectangular; when viewed from
the side the marginal and submarginal carinae are slightly sinuate,
rather widely separated anteriorly, and connected to each other at
base; anterior margin rather strongly sinuate, and the median lobe
strongly, broadly rounded; base feebly, broadly emarginate at middle -
of each elytron, and the median lobe broadly rounded; disk strongly
convex, with broad, feeble lateral depressions, but without any trace
of median depressions or prehumeral carinae; surface obsoletely
granulose, densely, feebly rugose, the rugae more or less oblique
at middle, but becoming more irregular toward the sides, finely,
densely punctate between the rugae, and rather densely clothed with
long, recumbent, whitish hairs at the sides posteriorly. Scutellum
vaguely, transversely carinate, the carinae strongly sinuate, and the
surface finely, densely reticulate.

Klytra slightly wider than pronotum at base, and slightly wider
at base than behind middle; sides feebly rounded for a short dis-
tance behind base, feebly, arcuately constricted in front of middle,
broadly, arcuately expanded behind the middle, then obliquely nar-
rowed to the tips, which are separately, narrowly rounded, and
coarsely serrulate; sides of abdomen broadly exposed above, disk
convex, sutural margins strongly elevated posteriorly, and with
broad, shallow basal depressions; surface densely, coarsely imbri-
cate-punctate, and each elytron ornamented with pubescent spaces
composed of densely placed, rather long, recumbent, whitish hairs
as follows: a round spot in basal depression, and a narrow vitta
extending along sutural margin from basal fourth to apex.

Abdomen beneath rather densely, finely punctate, the punctures
connected transversely by fine sinuate lines which are coarser on the
first two basal segments, and clothed with long, recumbent whitish
pubescence, which is denser at the sides; first two segments feebly
convex at middle; last segment broadly rounded at apex; vertical
portions of the first segment densely pubescent; pygidium coarsely
punctate, longitudinally carinate, but the carina not projecting.
Prosternum sparsely, coarsely punctate, and sparsely clothed with
long, erect, white hairs, which extend along middle of body to
second abdominal segment; posternal lobe broad, strongly declivous,
and broadly truncate or vaguely emarginate in front; prosternal

NORTH AMERICAN BUPRESTID BEETLES 299

process broad, the sides parallel to behind the coxal cavities, then
strongly narrowed to the apex, which is acute. ‘Tibiae slender, the
anterior and middle pairs slightly arcuate, and armed with a short
tooth on innner margin at apex. Posterior tarsi slightly shorter
than tibiae, and the first joint as long as the following two joints
united. Tarsal claws similar on all feet, cleft near the middle, the
inner tooth broad, shorter than outer one, and not turned inward.

Length, 6.75 mm.; width, 1.75 mm.

Female—Differs from the male in having the front of head
uniformly reddish cupreous; first two abdominal segments more
finely punctured; long, erect pubescence on prosternum and median
part of body not quite so distinct and the tibiae all unarmed at
apex.

Redescribed from the male lectotype No. 3488 (except the posterior
claws, which are missing on the lectotype) in the Philadelphia
Academy of Natural Sciences.

Type locality —Tehachapi, Calif.

DISTRIBUTION

Material examined:

CaALIrorNIA: Los Angeles County, July (D. W. Coquillett). San Jacinto Moun-
tains, July 14, 1912 (P. H. Timberlake). Azusa, Los Angeles County,
July 25, 1906 (——-). San Diego, Inyo Mountains, July 7-11, 7,000—9,000
feet, and Tehachapi (H. F. Wickham). Pasadena, June—July (H. C.
Fall). Chamberlin (1926) records it from Utah and Arizona, but no
specimens have been examined from these States.

Variations —The coloration is rather constant, except that in a
few examples the pronotum is more brownish than the elytra. The
pubescence on the sides of the pronotum is sometimes more or less
lost by abrasion, and frequently there is a dense white efflorescence
between the hairs, causing the areas to be very conspicuous. Length
6 to 7.5 millimeters.

Host—Unknown.

This species is also rare in collections, and resembles somewhat
the examples of abjectus which have the elytral pubescent spots
distinct. It can, however, be readily separated from that species by
having the pronotum regularly convex and without a median de-
pression and the median and posterior pubescent spots on the
elytra connected to each other and forming a distinct vitta.

105. AGRILUS SUBCINCTUS Gory
Figure 81

Agrilus subcinctus DrsEAN, Cat. Coleopt., ed. 2, 1833, p. 82; ed. 3, 1837,
p. 983 (no deseription).—Gory, Mon. Bupr. Suppl., vol. 4, 1841, pp.
252-258, pl. 42, fig. 245.—LeContn, Proc. Acad. Nat. Sci. Phila., vol. 9,

2305—28——20

300 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

1857, p. 9; Trans. Amer. Philos. Soe., vol. 11, new ser., 1859, p. 246.—
Pertrr, Canad. Ent., vol. 2, 1870, p. 102.—Croron, Proc. Acad. Nat.
Sei. Phila., vol. 25, 1873, p. 98.—Horn, Trans. Amer. Ent. Soc., vol. 18,
1891, pp. 322-323—Hamixton, Trans. Amer. Ent. Soc., vol. 22, 1895,
p. 364.—Smiru, 27th Ann. Rept. N. J. State Board Agric. for 1899
(1900), suppl., p. 258.—ULkkr, Proc. U. 8S. Nat. Mus., vol. 25, no. 1275,
1902, p. 21—SmirH, Ann. Rept. N. J. State. Mus. for 1909 (1910),
p. 295.—BLAtcHLEy, Coleoptera of Indiana, 1910, p. 803——\Dozirr,
Ent. News, vol. 29, 1918, p. 331—KNuLL, Ent. News, vol. 31, 1920,
p. 11.—Frost and Wetss, Canad. Ent., vol. 52, 1920, p. 222—KNUILL,
Canad. Ent., vol. 54, 1922, p. 85.—MurcHLer and Weiss, N. J. Dept.
Agric., Bur. Statistics and Inspection, Cire. 48, 1922, p. 12.—KNULL,
Ohio State Univ. Studies, vol. 2, no. 2, 1925, p. 50.—CHAMBERLIN, Cat.
Buprestidae, 1926, p. 83.

Male—F¥orm small, rather robust, strongly flattened above, and
rather strongly shining; head bright bronzy green in front, becoming
brownish cupreous on the occiput; pronotum and elytra piceous, with
a strong aeneous or cupreous tinge, and the latter sometimes feebly
violaceous posteriorly, and ornamented with pubescent designs;
beneath similar to above, but slightly more shining.

Head with the front rather narrow, slightly convex, and wider
at top than at bottom, the lateral margins feebly, broadly, arcuately
constricted, and with a rather narrow, longitudinal depression
extending from occiput to epistoma, the groove more deeply de-
pressed on the front, and becoming triangular behind the epistoma
surface obsoletely granulose, sparsely, coarsely punctate, coarsely,
irregularly rugose, and sparsely clothed anteriorly with moderately
long, recumbent white pubescence; epistoma scarcely transverse be-
tween the antennae, strongly elevated, and vaguely, arcuately
emarginate in front; antennae extending to middle of pronotum,
serrate from the fifth joint, and the outer joints about as wide as
long; eyes moderately large, broadly oval, and equally rounded above
and beneath. .

Pronotum wider than long, about equal in width at base and apex,
and widest near middle; sides nearly parallel or arcuately rounded
from apical angles to basal third, then narrowed to the posterior
angles, which are rectangular; when viewed from the side the mar-
ginal and submarginal carinae are nearly straight or feebly sinuate,
rather widely separated anteriorly, and connected to each other at
base; anterior margin feebly sinuate, and the median lobe feebly,
broadly rounded; base feebly, broadly emarginate at middle of each
elytron, and the median lobe broadly, vaguely rounded; disk mod-
erately convex, with two broad, moderately deep, median depressions,
the lateral depressions broad, deep, and extending to base, sides
explanate posteriorly, and without any trace of prehumeral carinae;
surface obsoletely granulose, coarsely but not deeply rugose, the

NORTH AMERICAN BUPRESTID BEETLES 301

rugae more or less transverse at middle, and becoming irregular
toward the sides, sparsely, finely punctate between the rugae, and
sparsely clothed with long, recumbent white hairs in the median and
lateral depressions. Scutellum transversely carinate, and the surface
finely, densely reticulate.

Elytra wider than pronotum at base, and equal in width at base
and behind middle; sides nearly parallel for a short distance behind
base, feebly, broadly constricted in front of middle, broadly,
arcuately expanded behind the middle, then obliquely narrowed to
the tips, which are separately, broadly rounded, and finely serrulate;
sides of abdomen scarcely exposed above; disk slightly flattened,
sutural margins rather strongly elevated posteriorly, and with broad,
shallow basal depressions; surface obsoletely granulose, rather
densely, finely punctate, more or less transversely, irregularly rugose,
and each elytron ornamented with whitish pubescent markings as
follows: A vitta extending along the sutural margin from basal
depression to middle (sometimes more or less interrupted), then
turning obliquely outward toward the lateral margin, and a broad,
oblique fascia at apical fourth.

Abdomen beneath finely, densely reticulate, finely, sparsely punc-
tate, the punctures connected transversely by fine, sinuate lines,
which are coarser on the basal segment, and sparsely clothed with
short, recumbent, white hairs; first segment feebly flattened at
middle, and clothed with a few longer, erect hairs; last segment
broadly rounded at apex; vertical portions of first segment some-
times more densely pubescent than ventral surface; pygidium
vaguely punctured but not carinate. Prosternum finely punctate,
densely granulose, and sparsely clothed with long, semierect, white
hairs: prosternal lobe broad, strongly declivous, and broadly but
not very deeply arcuately emarginate in front; prosternal process
broad, the sides parallel to behind the coxal cavities, then strongly
narrowed to the apex, which is acute. Tibiae slender, and the
anterior and middle pairs armed with a feeble tooth on inner margin
at apex. Posterior tarsi distinctly shorter than tibiae, and the first
joint as long as the following three joints united. Tarsal claws
similar on all feet, cleft near the middle, the inner tooth broad,
shorter than outer one, and not turned inward.

Female—Differs from the male in having the front of head en-
tirely brownish cupreous and the lateral margins obliquely expanded
from bottom to top; sides of abdomen narrowly exposed above;
first abdominal segment more finely punctured and less densely
pubescent at middle, and the tibiae unarmed at apex.

Length, 3.5-4.5 mm.; width, 0.8-1.25 mm.

Type locality—North America. Originally described from the
Dejean Collection, but present location of type is unknown to writer.

302 BULLETIN 145, UNITED STATES NATIONAL MUSEUM
DISTRIPUTION

Material examined:

CANADA: Grimsly, Ontario (Pettit).

District or COLUMBIA: Washington (H. Ulke).

Frorma: Gainesville (H. L. Dozier).

Intino1s: Meredesia, May 28, 1917 (——). St. Clair County, June (——-).

LovistANA: Shreveport, April 7, 1909 (W. D. Pierce).

Missourr: St. Charles, May 18 ( Dis

New Jersey: Westville (Liebeck). Orange Mts., July 28 (A. S. Nicolay).
South Jersey (Wenzel).

New Mexico: Cloudcroft, 9,000 feet (W. Knaus).

NEw York: Olcott, July 11, 1926 (H. Dietrich).

NortH Carotina: No definite locality.

Out10: No definite locality.

OKLAHOMA: Payne County, May 18, 1926 (W. J. Brown).

PENNSYLVANIA: Jeannette; Pittsburgh, June 18 (H. G. Klages). Castle Rock,
June 18 (H. W. Wenzel). Abington (——). Inglenook, July 8; Hum-
melstown, June 2; Chambersburg, June 12 (J. N. Knull).

Texas: Dallas, April 30, 1912 ( ). Jefferson, March 27, 1908 (EH. S.
Tucker).

It has also been recorded from yarious localities in Indiana.

Variations —This species is rather constant in size and coloration
but quite variable in some of the other characters. Some examples
are considerably more robust than others, the pronotum is from one-
third to one-half wider than long, the sides are either nearly paralle!
to each other from the apical angles to basal third or regularly,
strongly rounded, and the median depressions are more or less vari-
able in depth. The pubescent design on the elytra may consist of an
arcuate vitta extending from the basal depression to middle, and a
broad, oblique fascia at apical fourth, or the vitta may be interrupted
so as to form three or four small spots.

Host.—The larval habits are unknown, but the adults have been
collected by H. A. Wenzel on the foliage of poison ivy (Z'owcoden-
dron radicans (Linnaeus) Kuntze), and the numbers taken indicate
that poison ivy is probably the host plant.

106. AGRILUS MUTICUS LeConte
Figure 82

Agrilus muticus LeContTE, Proc. Acad. Nat. Sci. Phila., vol. 10, 1858, p. 70;
Journ, Acad. Nat. Sci. Phila., vol. 4, ser. 2, 1858, p. 85; Trans. Amer.
Philos. Soe., vol. 11, new ser., 1859, p. 248.—Horn, Trans. Amer. Ent.
Soc., vol. 18, 1891, p. 314.—Tuckrr, Ent. News, vol. 17, 19806, p. 11.—
CHAMBERLIN, Cat. Buprestidae, 1926, p. 70.

Female——F¥orm rather robust, slightly flattened above, subopaque,
plumbeus, and with a bluish tinge; beneath similar to above but more
shining.

NORTH AMERICAN BUPRESTID BEETLES 303

Head with the front rather wide, nearly flat, and slightly wider at
top than at bottom, the lateral margins feebly expanded from bottom
to vertex, then parallel to occiput, and with a broad, shallow, longi-
tudinal groove extending from the epistoma to vertex, and only feebly
indicated on the occiput; surface sparsely, coarsely punctate, strongly
rugose, and sparsely clothed with rather short, recumbent, whitish
pubescence; epistoma rather narrow between the antennae and
broadly, but not deeply, arcuately emarginate in front; antennae
scarcely extending to middle of pronotum, serrate from the fifth
joint, and the outer joints distinctly wider than long; eyes large,
broadly oval, and equally rounded above and beneath.

Pronotum slightly wider than long, feebly narrower at apex than
base, and equal in width at apical third and posterior angies; sides
feebly, arcuately rounded from apical angles to basal fourth, then
arcuately constricted to the posterior angles, which are strongly
expanded outward; when viewed from the side the marginal carina
is very distinct and bisinuate, the submarginal carina nearly straight,
rather indistinct, the two carinae widely separated anteriorly, and
connected to each other at basal third; anterior margin strongly
sinuate and with a broadly rounded median lobe; base feebly, broadly
emarginate at middle of each elytron, the median lobe strongly,
broadly rounded and broadly subtruncate in front of scutellum; disk
strongly convex, with a vague, longitudinal, median depression
posteriorly, broadly but not deeply depressed along lateral margins
at middle, and with feebly indicated, arcuate, prehumeral carinae;
surface coarsely, densely rugose, sparsely, finely punctate between the
rugae, and sparsely clothed with very short, recumbent, whitish
pubescence. Scutellum not transversely carinate, the surface uneven
and obsoletely reticulate.

Elytra as wide as pronotum at base, and slightly wider at base than
behind middle; sides parallel for a short distance behind base, feebly,
broadly constricted at middle, broadly, arcuately expanded behind
the middle, then obliquely narrowed to the tips, which are separately,
rather narrowly rounded, but not serrulate; sides of abdomen nar-
rowly exposed above; disk slightly flattened, sutural margins strongly
elevated posteriorly, with very broad, shallow basal depressions, but
without a longitudinal carina between humeri and lateral margin;
surface finely densely imbricate-punctate, and sparsely, uniformly
clothed with short recumbent, whitish pubescence.

Abdomen beneath obsoletely granulose, densely, finely, transversely
rugose, and sparsely clothed with short, recumbent, whitish hairs;
first and second segments convex at middle, and the suture between
the two segments feebly indicated at the sides; last segment broadly
rounded at apex, vertical portions of segments more densely pubes-

304 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

cent than ventral surface, pygidium sparsely, coarsely punctate and
with a feebly elevated, longitudinal carina, which does not project
posteriorly. Prosternum finely, densely punctate, and sparsely
clothed with short, recumbent, whitish pubescence; prosternal lobe
narrow, strongly declivous, and broadly, vaguely emarginate or sub-
truncate in front; prosternal process broad, the sides parallel to the
apex, which is truncate. Tibiae slender, straight, and without a dis-
tinct tooth at apex. Posterior tarsi nearly as long as the tibiae, and
the first joint as long as the following two joints united. Tarsal claws
similar on all feet, cleft near the middle, the inner tooth shorter than
outer one, and not turned inward.

Length, 8 mm.; width, 2.25 mm.

Maile.—Difters from the female in having the front of head slightly
narrower, the lateral margins slightly more expanded above middle,
and the surface more densely punctured, and densely clothed with
long, recumbent, whitish pubescence; first and second abdominal seg-
ments broadly but not deeply, longitudinally sulcate at middle; pro-
sternum densely clothed with long, erect, whitish pubescence, which
extends along middle of body to second abdominal segment, and the
anterior and middle tibiae armed with a short tooth on inner margin
at apex.

Redescribed from the female type in the Museum of Comparative
Zoology.

Type locality —Texas. (No definite locality given.)

DISTRIBUTION
Material examined:

Kansas: Grove, Hamilton, and Clark Counties, June (F. H. Snow). Scott
County, June (H. Deay). Wallace County, June (Popenoe). Belvidere
(W. Knaus). Garden City, June 2, 1900 ( de

OKLAHOMA: Stillwater (A. N. Caudell). Walter, May ( De

Texas: Brownsville ( ). Lexington, April-May (Birkmann). Fedor, June
(——). Victoria, April-May; Childress, June 8, 1906; Goliad County, March
25, 1907 (J. D. Mitchell). Wharton, April 18, 1905 (W. W. Yothers). Hand-
ley, April 27, 1905 ; College Station, March 16, 1907 (W. D. Pierce). Calvert,
April 8, 1907 (C. R. Jones). Hempstead, April 24, 1904 (F. C. Bishopp),
Gainesville, May 11, 1922 (H. E. Russell). Hallettsville, March 18, 1908
(C. E. Hood). Cypress Mills (——).

Chamberlin (1926) records it from Colorado, but no examples have been seen
from that State.

Variations—The color is usually plumbeus, but occasionally speci-
mens are found that are slightly cupreous brown and more shining.
The sides of the pronotum are more or less variable in shape, and the
median depression is entirely absent in some examples. The pre-
humeral carinae are at most only feebly indicated, and specimens
occur without any trace of it. Length 4.75 to 9 millimeters.

NORTH AMERICAN BUPRESTID BEETLES 305

Host.—The larval habits are unknown, but the adults have been col-
lected in Texas on Callirhoe involucrata Gray, which may be its host
plant.

107. AGRILUS LACUSTRIS LeConte
Figure 83

Agrilus lacustris LEContr, In Agassiz Lake Superior, 1850, p. 227 (only
listed, no description) ; Trans. Amer. Philos. Soc., vol. 11, 1859, p. 250.—
Pettit, Canad. Ent., vol. 2, 1870, p. 102.—Hupsarp and ScHwaArz, Proc.
Amer. Philos. Soc., vol. 17, 1878, p. 6836.—Horn, Trans. Amer. Hnt. Soc.,
vol. 18, 1891, pp. 330-331, pl. 8, fig. 10—MFaur, Calif. Acad. Sci.,
Occasional Papers, no. 8, 1901, p. 121—WickHaM, Bull. Lab. Nat. Hist.,
State Univ. Iowa, vol. 5, no. 3, 1902, p. 269——Fat~ and CoCKERELL,
Trans. Amer. Ent. Soe., vol. 33, 1907, p. 181.—BuiatcHiey, Coleoptera
of Indiana, 1910, p. 804.—WoopworrtH, Guide to California Insects, 1913,
p. 195.—Frost and Weiss, Canad. Ent., vol. 52, 1920, p. 223—CHaAm-
PLAIN and Knutti, Ann. Ent. Soe. Amer., vol. 18, 1925, p. 470.—
CHAMBERLIN, Cat. Buprestidae, 1926, pp. 67-68.

Agrilus cuneus LEContTs, Proc. Acad. Nat. Sci. Phila., vol. 18, 1866, p. 384.—
Horn, Proc. Calif. Acad. Sci., vol. 4, ser. 2, 1894, p. 329.—CHITTENDEN,
U. S. Dept. Agric., Div. Ent., Bull. 22, new ser., 1900, p. 67.

Agrilus pubiventris Crorcu, Proc. Acad. Nat. Sci. Phila., vol. 25, 1873, p. 95.

Female—¥orm moderately elongate, subopaque, and above uni-
formly dark brown, with a bronzy or cupreous tinge; beneath similar
in color to above, but more shining.

Head with the front rather wide, feebly convex, and about equal in
width at top and bottom, the lateral margins nearly parallel to each
other, and without a distinct median groove; surface rather strongly,
irregularly rugose, obsoletely granulose, and sparsely clothed with
short, recumbent, whitish pubescence; epistoma not transverse be-
tween the antennae, and broadly, but not deeply, arcuately emargi-
nate in front; antennae extending to about middle of pronotum,
serrate from the fifth joint, and the outer joints about as wide as
long; eyes moderately large, broadly oblong, and more acutely
rounded beneath than above.

Pronotum slightly wider than long, base and apex about equal in
width, and widest at apical third; sides arcuately rounded from
apical angles to basal fourth, then strongly sinuate to the posterior
angles, which are nearly rectangular; when viewed from the side the
marginal and submarginal carinae are more or less sinuate, rather
widely separated, and connected to each other near the base; anterior
margin feebly sinuate, and with a broadly rounded median lobe;
base transversely sinuate to middle of each elytron, then with a
broadly rounded median lobe, which is arcuately emarginate in front
of scutellum; disk rather strongly convex, without a distinct median
depression, but with moderately deep, elongate, lateral depressions,

306 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

and with feebly indicated prehumeral carinae; surface coarsely,
closely, transversely rugose, finely, sparsely punctate between the,
rugae, and without distinct pubescence, except for a few hairs in the
lateral depressions. Scutellum vaguely, transversely carinate, and
the surface obsoletely reticulate.

Elytra as wide as pronotum at base, and about equal in width at
base and behind middle; sides nearly parallel for a short distance
behind base, broadly, arcuately constricted near middle. feebly,
broadly expanded behind middle, then obliquely narrowed to the
tips, which are separately, broadly rounded, and strongly scrrulate;
sides of abdomen narrowly exposed above; disk slightly flattened,
sutural margins feebly elevated posteriorly, and with broad, shallow,
basal depressions, surface rather densely, coarsely, imbricate-punc-
tate, and clothed with a few obsolete whitish hairs, which are only
visible with a high-power lens.

Abdomen beneath finely, irregularly, transversely striolate, finely
sparsely punctate, and sparsely clothed with short, inconspicuous,
whitish hairs; first two segments convex at middle; last segment
broadly rounded at apex; vertical portions of the segments not con-
spicuously pubescent; pygidium feebly, longitudinally carinate, but
the carina not projecting posteriorly. Prosternum coarsely, trans-
versely rugose, and sparsely clothed with short, inconspicuous hairs;
prosternal lobe broad, slightly declivous, and broadly rounded in
front; ‘prosternal process very broad, the sides nearly parallel to
apex, which is truncate, with a distinct median tooth. Posterior
coxae with the posterior margin strongly, arcuately emarginate,
and the exterior angle acute and more or less prolonged. Tibiae
slender and unarmed at apex. Posterior tarsi as long as the tibiae,
and the first joint not quite as long as the following three joints
united. Tarsal claws similar on all feet, cleft near the base, the
outer tooth long and acute, the inner tooth very broad, about one-half
as long as outer one, and not turned inward.

Length, 4.75 mm.; width, 1.2 mm.

Male—Differs from the female in having the prosternum densely,
finely punctate, and densely clothed with long, erect, whitish
pubescence, which is broadly extended along median pari ot body
to the abdomen; first and second abdominal segments broadiy, longi-
tudinally concave, and the concavity densely clothed with long,
semierect, whitish hairs, which point obliquely backward toward the
median line of the concavity; posterior tarsi distinctly longer than
the tibiae, and the first joint as long as the following three joints
united, and the anterior and middle tibiae armed with a short,
straight tooth on the inner margin at apex.

Redescribed from the female type (specimen No. 1) in the Museum
of Comparative Zodlogy.

eee ee

NORTH AMERICAN BUPRESTID BEETLES 307

Type locaiity.—Of lacustris, La Pointe, Wis., Lake Superior; type
in Museum of Comparative Zodlogy, at Cambridge, Mass. Of cuneus,
Texas, no definite locality given; type in the Ulke Collection. in the
Carnegie Museum at Pittsburgh. Of pubiventris, Texas, no definite
locality given; cotypes in the Philadelphia Academy of Natural
Sciences, and the Museum of Comparative Zodlogy.

DISTRIBUTION

Material examined:

ARIZONA: Diamond Creek, White Mountains, June, 1925 (D. Duncan), Santa
Rita Mountains, July, 1926 (W. J. Chamberlin). ,
CALIFORNIA: Delrey (Dr. Clark). San Bernardino County (D. W. Coquiilett).

Intinois: No definite locality.

Kansas: Clark County, June (F. H. Snow). Englewood, June 23, 1902;
Phillips County, July (——).

New Mexico: Albuquerque, June 27 (H. F. Wickham).

OKLAHOMA: Wichita National Forest, June 6, 1926 (W. J. Brown).

Texas: Columbus, April-August (Hubbard and Schwarz) (R. A. Cushman).
Beeville, October 22 (Hubbard and Schwarz). Austin, July 8; Laredo,
May 27; Rockport, August 11 (KE. A. Schwarz). Corsicana, June 7 (H.
Soltau). Padre Island, June 24, 1914; Victoria, March-July ; Point Lavaca,
August 21; Edna, July 19, 1908 (J. D. Mitchell). Hempstead, June 15,
1907 (C. E. Hood). Trinity, August 30, 1906 (F. C. Bishopp). Willow
City, May 26, 1906; Corpus Christi, September 22, 1905 (F. C. Pratt).
Clarenden, August 11 (W. D. Pierce). Lexington, May, 1909 (Birkmann).
Cypress Mills; Fedor, Lee County (——).

WIsconsiIn: La Pointe.

It has also been recorded in the literature from Grimsly, Ontario; San Josée
del Cabo, Lower California; Bellevue and Colorado Springs, Colorado ;
Pecos and Santa Fé, New Mexico. Chamberlin (1926) records it from
Florida and New Jersey, but these records probably refer to invbeilis
Crotch.

Variations —This species shows considerable variation. The color
varies from a bronzy brown, through various shades of bronzy green,
with an occasional blue specimen. Sometimes the lateral margins
of the head are nearly parallel to each other, the surface with a
vague longitudinal groove, and the outer joints of the antennae are
frequently wider than long. Usually the pronotum is slightly wider
at the apex than at the base, and the sides are obliquely narrowed
from the apical angles to the base, sometimes there is an obsolete
median depression, and the prehumeral carinae are more or less
variable in distinctness. The scutellum may be transversely cari-
nate or not, and sometimes the carina is interrupted in the middle.
Length 4 to 7.5 millimeters.

Hosts—The adults have been taken a number of times by different
collectors in Texas on Croton sp., and by Van Dyke in California
on white oak (Quercus sp.). Chittenden (1900) records it as having
been bred from Croton capitatum in Texas by E. A. Schwarz, but

308 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

the specimens in the collection collected by Schwarz in Texas are
labeled “ On Croton capitatum and Croton eleagnifolium.”

This species is closely allied to ¢mbellis Crotch, and small speci-
mens may be easily confused with that species, but it can be sep-
arated from zmbellis by having the eyes more acutely rounded beneath
than above, and the posterior tarsi of the males are distinctly longer
than the tibiae. It was originally described from two small brownish
specimens from the Lake Superior region, and at first sight, seems
entirely different from the large green examples from Texas, which
were described by Le Conte as cuneus, but in carefully examining the
two forms no structural character was found for separating them, as
the type specimens were almost identical with small specimens from
Texas except in color. The two type specimens are male and female,
but it was not advisable to extract the male genitalia. LeConte
described cuneus from a single example in the Ulke collection, and
Crotch (1873), not finding the type in the LeConte collection, subse-
quently described it as pubwentris. Chamberlin (1926) gives advena
as a synonym, but this name should be dropped from our lists, as it
was simply used by LeConte® in a list of the Coleoptera of Lake
Superior, without giving any description, and it is impossible to
determine what species he had before him.

108. AGRILUS IMBELLIS Crotch
Figure 84

Agrilus imbellis CrorcH, Proce. Acad. Nat. Sci. Phila., vol. 25, 18738, pp. 94-
95.—ScHwakrz, Proc. Amer. Philos. Soc., vol. 17, 1878, p. 452.—BLAn-
CHARD, Ent. Amer., vol. 5, 1889, p. 32—HorN, Trans. Amer. Ent. Soc.,
vol. 18, 1891, p. 332, pl. 8, fig. 14—CHITTENDEN, U. S. Dept. Agric., Div.
Ent., Bull. 22, new ser., 1900, p. 68.—EasTon, Psyche, vol. 16, 1909,
p. 50.—WicKHAM, Bull. Buffalo Soc. Nat. Sci., vol. 9, 1909, p. 401.—
SmitrH, Ann. Rept. N. J. State Mus. for 1909 (1910), p. 295—NicoLay,
Bull. Brooklyn Ent. Soc., vol. 14, 1919, p. 20.—Frost and Wetss, Canad.
Ent., vol. 52, 1920, p. 228.—KNuLL, Canad. Ent., vol. 54, 1922, p. 85.—
MUTCHLER and WEtss, N. J. Dept. Agric., Bur. Statistics and Inspection,
Cire. 48, 1922, p. 9—Kwnut1, Ohio State Univ. Studies, vol. 2, no. 2,
1925, p. 538.—CHAMBERLIN, Cat. Buprestidae, 1926, pp. 65-66.

Male.—¥orm short, rather robust, feebly shining, uniformly aene-
ous, and with a slight cupreous tinge; beneath more shining than
above.

Head with the front rather wide, feebly convex, and feebly wider
at top than at bottom, the lateral margins vaguely expanded from
bottom to top, and with a broad, obsolete, longitudinal groove on the
front; surface coarsely punctate on the front, becoming more or less
transversely rugose on the occiput, and sparsely clothed anteriorly

®In Louis Agassiz, Lake Superior, 1850, p. 227.

NORTH AMERICAN BUPRESTID BEETLES 309

with short, recumbent, whitish hairs; epistoma slightly transverse
between the antennae, and broadly, deeply, arcuately emarginate in
front; antennae extending beyond middle of pronotum, serrate from
the fifth joint, and the other joints about as wide as long; eyes mod-
erately large, broadly oval, and about equally rounded beneath
and above.

Pronotum nearly one-fourth wider than iong, base and apex about
equal in width, and widest near middle; sides feebly, arcuately
rounded to near the base, where they are nearly parallel; when viewed
from the side the marginal carina is slightly sinuate, the submar-
ginal carina a little more sinuate, the two carinae rather widely
separated anteriorly and connected to each other near basal fourth;
anterior margin strongly sinuate, with a broadly rounded, median
lobe; base transversely sinuate to middle of each elytron, with the
median lobe broadly rounded, and subtruncate or feebly emarginate
in front of scutellum; disk strongly convex, without a median de-
pression, but with shallow, oblong, lateral depressions, and moder-
ately elevated, straight prehumeral carinae, extending from base to
near the middle; surface rather coarsely, transversely rugose, with
numerous fine punctures between the rugae, and from each puncture
arises a very short, inconspicuous white hair. Scutellum vaguely,
transversely carinate, and the surface finely, densely reticulate.

Elytra as wide as pronotum at base, and about equal in width at
base and behind middle; sides nearly parallel for a short distance
behind base, broadly, arcuately constricted at middle, broadly, arcu-
ately expanded behind the middle, then obliquely narrowed to the
tips, which are separately, rather narrowly rounded, and strongly
serrulate; sides of abdomen rather broadly exposed above; disk
feebly, longitudinally depressed along the sutural margins, and with
broad, moderately deep basal depressions; surface rather coarsely
imbricate-punctate, and clothed with a few short, inconspicuous,
whitish hairs, which are only seen under a high-power lens.

Abdomen beneath finely, irregularly, transversely striolate, finely,
rather densely punctate, and sparsely clothed with short, recumbent,
whitish pubescence; first and second segments broadly, longitudinally
concave, the concavity densely punctate, and rather densely clothed
with moderately long, inconspicuous, whitish hairs; last segment
broadly rounded at apex; vertical portions of the segments not con-
spicuously pubescent; pygidium feebly punctate, with a smooth
median line, but not distinctly carinate. Prosternum finely, trans-
versely rugose, sparsely punctate, and rather densely clothed with
long, erect, inconspicuous pubescence, which extends along middle of
body to abdomen; prosternal lobe broad, slightly declivous, and
broadly rounded in front; prosternal process broad, the sides nearly

310 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

parallel to behind the coxal cavities, then obliquely narrowed to the
apex, which is acute. Posterior coxae with the posterior margin
strongly, arcuately emarginate, the exterior angle acute, and some-
what prolonged. Tibiae slender, anterior pair slightly arcuate, and
the anterior and middle pairs armed with a short tooth on inner
margin at apex. Posterior tarsi slightly shorter than tibiae, and
the first joint as long as the following two joints united. Tarsal
claws similar on all feet, cleft near the middle, the outer tooth long
and acute, the inner tooth broad at apex, about one-half as long
as outer one, and not turned inward.

Length, 5.25 mm.; width, 1.5 mm.

Female.—Ditfers from the male in having the front of head slightly
wider, more cupreous, and not so coarsely rugose; antennae slightly
shorter, and the outer joints wider than long; prosternum more
coarsely rugose and without long, erect pubescence; first two ab-
dominal segments convex, not very densely punctate, and without
long pubescence at middie, and the tibiae unarmed at apex.

Redescribed from the male type, No. 2718, in the Philadelphia
Academy of Natural Sciences.

Type locality —Florida.

DISTRIBUTION

Material examined :

ALABAMA: Mobile (J. D. Sherman). Spring Hill, May 6, 1911 (H. P. Loding).

ConNEcTICUT: Cornwall, June-July (C. A. Frost) (Chamberlin). Westville,
July 4, 1904 (W. E. Britton). New Haven, Juiy 19, 1905 (B. H. Walden).

DIsTRicT oF CoLUMBIA: Washington, June 2-July 8 (Hubbard and Schwarz).

FioripaA: New Smyrna, June; Tampa, April 29; Jacksonville (Hubbard and
Schwarz). Duval County (Ashmead). Gainesville, May 7, 1925 (G. B.
Merrill). Fort Myers, April 22; Cleveland, April 26 (J. N. Knull). Sanford,
May 13 (——). Cedar Keys, June 7 ( ). Crescent City, April, 1908
(Van Duzee).

Groreta: No definite locality.

MARYLAND: Bladensburg, June-July (Hubbard and Schwarz).

MassAcHUSETTS: Nantucket Island (——). Saugus, August 22 (C. A. Frost).

NEw JERSEY: Woodbury, June 17 (——). Da Costa, July 21 (——). West-
ville, June 14 ( Ve

New York: Yaphank, June 19 (Davis). Queens, Juiy 10 (Schott).

PENNSYLVANIA: Pittsburgh (H. G. Klages).

VirGINIA: Hast Falls Church, July 16, 1917 (@. N. Gabrieison).

Chamberlin (1926) records Arizona, Texas, and Lower California, but these
records are probably trom misidentified specimens of lacustris.

Variations—The coloration of this species varies from bronzy
brown to cupreous brown. In some examples the groove on the front
of head is scarcely visible, the sides of the pronotum are obliquely
narrowed from the apical angles to base, the prehumeral carinae are
obsolete, and sometimes the scutellum is without a distinct transverse
carina. In the males the first and second abdominal segments are

NORTH AMERICAN BUPRESTID BEETLES Sf

frequently longitudinally concave and pubescent similar to lacustris.
Length 3.75 to 5.5 millimeters.

Host.—The larval habits are unknown but the adults have been
collected a number of times by different collectors on Frostweed (el-
canthemum canadensis (Linnaeus) Michaux.). Chamberlin (1926)
records it as having been reared from yellow locust (Robinia pseu-
doacacia Linnaeus), but this record probably refers to egenws Gory,
a very closely allied species which breeds in that tree.

This species is closely allied to Jacustris LeConte, but in that
species the posterior tarsi of the males are distinctly longer than the
tibiae. the eyes are usually more acutely rounded beneath, the
pubescence on the elytra is usually scarcely visible, and frequently
the pronotum is obsoletely depressed at the middle. From the
records available, ¢mbellis seems to be confined to the Atlantic States,
trom Massachusetts to Alabama, and Jacustris to the Middle West,
extending from Lake Superior to Texas, and westward to southern
California. Horn (1891) separates this species from lacustris on
the first two ventral segments of the male being flattened and without
pubescence, but on examining the type of tmellis, these segments
were found to be longitudinally concave, and the pubescence was
also as long as in lacustris.

169. AGRILUS BARBERI, new species
Figure 85

Male——F¥orm moderately elongate, slightly flattened, moderately
shining, and bronzy green, with a more or less distinct aureous or
cupreous tinge; beneath similar in color to above, but more shining.

Head with the front broad, nearly flat, about equal in width at
top and bottom, the sides nearly parallel to each other, and with a
narrow. median groove extending from occiput to vertex; surface
finely scabrous, more or less rugose, finely punctate, and rather
densely clothed with long, recumbent, white hairs; epistoma trans-
verse between the antennae, broadly, deeply, arcuately emarginate,
in front, and the clypeal suture distinct; antennae extending to
middle of pronotum, serrate from the fifth joint, and the outer
joints longer than wide; eyes moderately large, rather broadly oval,
and slightly more acutely rounded beneath than above.

Pronotum about one-fourth wider than long, slightly wider at
apex than base, and widest at apical angles; sides feebly, obliquely
narrowed from apical angles to posterior angles, which are rec-
tangular; when viewed from the side the marginal carina is strongly
sinuate, the submarginal carina nearly straight, the two carinae
narrowly separated anteriorly, and connected to each other behind
the middle; anterior margin, strongly sinuate, and the median lobe

312 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

broadly rounded, but not strongly produced; base transversely
bisinuate, the median lobe vaguely produced, and subtruncate in
front of scutellum; disk moderately convex, without a median depres-
sion, but vaguely transversely concave on basal half, with a broad,
deep depression on each side along the lateral margin, and with
sharply elevated, short prehumeral carinae; surface obsoletely granu-
lose, coarsely, deeply rugose, somewhat scabrous at middle, finely,
sparsely punctate between the rugae, and without distinct pubescence.
Scutellum strongly, transversely carinate, and the surface finely,
densely reticulate.

Elytra slightly wider than pronotum at base, and about equal in
width at base and at apical third; sides slightly expanded for a short
distance behind base, broadly, arcuately constricted in front of
middle, broadly expanded behind the middle, then obliquely narrowed
to the tips, which are separately, rather broadly rounded, and
strongly serrulate; sides of abdomen narrowly exposed above; disk
slightly flattened, vaguely depressed along the sutural margins,
which are slightly elevated posteriorly, and with broad, shallow, basal
depressions; surface densely, finely imbricate-punctate, and sparsely,
uniformly clothed with short, inconspicuous, white hairs.

Abdomen beneath obsoletely granulose, finely, sparsely punctate,
more or less rugose on basal segment, and sparsely clothed with
moderately long, recumbent hairs; first and anterior part of second
segment rather deeply, broadly, longitudinally concave, and clothed
with long, semierect white hairs at the middle; vertical portions of
the segments not conspicuously pubescent; pygidium without a
projecting carina. Prosternum finely, densely punctate, finely rugose,
and rather densely clothed with long, erect, white hairs; prosternal
lobe broad, moderately declivous, broadly rounded in front, and with
a broad, shallow, arcuate emargination at the middle; prosternal
process broad, the sides vaguely expanded behind the coxal cavities,
then obliquely narrowed to the apex, which is acute. Posterior coxae
with the posterior margin feebly sinuate and arcuately emarginate,
and the exterior angle obtuse, and vaguely prolonged. Tuibiae slender,
straight, and the anterior and middle pairs armed with an indistinct
tooth on inner margin at apex. Posterior tarsi subequal in length to
the tibiae, and the first joint as long as the following three joints
united. Tarsal claws similar on all feet, cleft near the middle, the
inner tooth broad, slightly shorter than outer one, and not turned
inward.

Length, 5.25 mm.; width, 1.25 mm.

Female——bDiffers from the male in being slightly more robust;
front of head slightly broader and less pubescent; first abdominal

NORTH AMERICAN BUPRESTID BEETLES 313

segment convex at the middle, and the prosternum not clothed with
long erect hairs.

Length, 5.5 mm.; width, 1.5 mm.

Type locality— Williams, Ariz.

Type and allotype.—Cat. No. 41014, U.S.N.M.

Described from two specimens, male and female. The male type
was collected at the type locality, July 9, by H. S. Barber and E. A.
Schwarz, and the allotype is simply labeled “Arizona, Caider
Collection.”

This species resembles émbellis Crotch very closely, but can be
separated from that species by having the prosternal lobe arcuately
emarginate in front, eyes slightly more acutely rounded beneath than
above, the outer joints of the antennae longer than wide, and also by
the shape of the male genitalia.

110. AGRILUS ABDITUS Horn
Figure 86

Agrilus abditus Horn, Trans. Amer. Ent. Soc., vol. 18, 1891, pp. 332-333.—
CHAMBERLIN, Cat. Buprestidae, 1926, p. 46.

Female——Form similar to egenus, but slightly more robust, slightly
flattened above, and feebly shining; head uniformly brownish cupre-
ous; pronotum and elytra dark brown, with a distinct aeneous or
cupreous tinge; beneath similar to above but more shining.

Head with the front rather wide, slightly convex, about equal in
width at top and bottom, the lateral margins nearly parallel to each
other, and with a narrow, shallow, longitudinal groove extending
from the occiput to epistoma; surface feebly, sparsely punctate,
slightly rugose, feebly shining, and not distinctly pubescent; epistoma
slightly transverse between the antennae, and broadly but not very
deeply, arcuately emarginate in front; antennae extending to about
middle of pronotum, serrate from the fifth joint, and the outer
joints slightly wider than long; eyes rather large, elongate, and
slightly more acutely rounded beneath than above.

Pronotum slightly wider than long, about equal in width at base
and apex, and widest near middle; sides feebly, arcuately rounded
from apical angles to behind middle, then more strongly narrowed
to near the base, where they are parallel, and the posterior angles
rectangular; when viewed from the side the marginal carina is’
feebly sinuate, the submarginal carina nearly straight, the two
carinae not very widely separated anteriorly, and connected to each
other behind the middle; anterior margin rather strongly sinuate,
with the median lobe strongly, broadly rounded; base acutely emar-
ginate at middle of each elytron, the median lobe broadly rounded,

314 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

and arcuately emarginate in front of scutellum; disk moderately
convex, with a vague, elongate, median depression, a shallow, oblique
depression on each side along lateral margin, and with distinct but
not strongly elevated, arcuate prehumeral carinae; surface densely,
coarsely rugose, the rugae transverse at middle, but becoming more
or less longitudinal toward the sides, rather densely, finely punctate
between the rugae, but without distinct pubescence. Scutellum
strongly, transversely carinate, and the surface finely, densely
reticulate. ,

Elytra wider than pronotum at base, and about equal in width at
base and behind middle; sides nearly parallel for a short distance
behind base, broadly, arcuately constricted in front of middle,
broadly, arcuately expanded behind middle, then obliquely narrowed
to the tips, which are separately, rather narrowly rounded, and finely
serrulate, sides of abdomen narrowly exposed above; disk feebly,
longitudinally flattened along sutural margins, which are slightly ele-
vated on apical half, and with broad, shallow basal depressions; sur-
face densely, coarsely imbricate-punctate, and clothed with a few
very short, inconspicuous hairs in basal depressions and on apical
half.

Abdomen beneath obsoletely granulose, sparsely, finely punctate,
the punctures more or less connected transversely by sinuate lines,
becoming feebly rugose on basal segment, and very sparsely clothed |
with short, inconspicuous hairs; first segment convex at middle;
last segment broadly rounded at apex; vertical portions of seg-
ments not conspicuously pubescent; pygidium sparsely, coarsely
punctate, and the median line smooth, but not carinate. Proster-
num finely, sparsely punctate, and sparsely clothed with short, re-
cumbent hairs; prosternal lobe broad, feebly declivous, and broadly
rounded in front; prosternal process broad, the sides rather strongly
expanded behind the coxal cavities, and truncate at apex. Pos-
terior coxae with the posterior margin slightly, arcuately emargi-
ate, and the exterior angle feebly prolonged. Tibiae slender and
without a distinct tooth on inner margin at apex. Posterior tarsi
slightly shorter than the tibiae, and the first joint nearly as long as
the following three joints united. Tarsal claws similar on all feet,
cleft near the middle, the inner tooth broad, much shorter than
outer one, and not turned inward.

Length, 4.75 mm.; width, 1.25 mm.

Male.—Differs from the female in having the front of head sub-
opaque, bronzy green, becoming brownish on the occiput, feebly
convex, lateral margins feebly, arcuately expanded above the middle,
and the surface densely, finely granulose, coarsely punctate in front,
becoming feebly longitudinally rugose on occiput, and sparsely

U. S. NATIONAL MUSEUM BULLETIN 145 PLATE 1

4 Breen

Sea | a epee: vere
TF aaaeile 8 “cupricollis 9 fuscipennis

GENITALIA OF THE BUPRESTID GENUS AGRILUS

FOR EXPLANATION OF PLATE SEE PAGE 337

U. S. NATIONAL MUSEUM BULLETIN 145 PLATE 2

ae ly at a2) b a
16 geminatus 17 otiosus 18 atricornis

GENITALIA OF THE BUPRESTID GENUS AGRILUS

FOR EXPLANATION OF PLATE SEE PAGE 337

U. S. NATIONAL MUSEUM BULLETIN 145 PLATE 3

b
21 juglandis

=e ‘
27 bilineatus

a. 9 @_.b
25 benjamini
GENITALIA OF THE BUPRESTID GENUS AGRILUS

FOR EXPLANATION OF PLATE SEE PAGE 337

PLATE 4

BULLETIN 145

U. S. NATIONAL MUSEUM

2 He
acutipennis

200.

quercico

b
s

a :
fulminan

a
32 niveiventris

b
driguttatus

a
ua

3lq

cavatus

anxius
GENITALIA OF THE BUPRESTID GENUS AGRILUS

FOR EXPLANATION OF PLATE SEE PAGE 338

U. S. NATIONAL MUSEUM BULLETIN 145 PLATE 5

39 esisacbnm:

A5 = fallax

43 Aig iP AL obolnte

GENITALIA OF THE BUPRESTID GENUS AGRILUS

FOR EXPLANATION OF PLATE SEE PAGE 338

U. S. NATIONAL MUSEUM BULLETIN 145 PLATE 6

b b b
ia elias 53 einuatus Ze ccoerlene

GENITALIA OF THE BUPRESTID GENUS AGRILUS

FOR EXPLANATION OF PLATE SEE PAGE 338

U. S. NATIONAL MUSEUM BULLETIN 145 PLATE 7

56 reemtlients iy rricotlic 2
aN ON r

61 perieoce pitelir 62 amet aatis 63 Seaiti

GENITALIA OF THE BUPRESTID GENUS AGRILUS

FOR EXPLANATION OF PLATE SEE PAGE 338

U. S. NATIONAL MUSEUM BULLETIN 145 PLATE 8

ee
wl Grease nidts

palmacollis
GENITALIA OF THE BUPRESTID GENUS AGRILUS

FOR EXPLANATION OF PLATE SEE PAGE 339

U. S. NATIONAL MUSEUM BULLETIN 145 PLATE 9

7 | ces a
79 ab yectus GO leelue P Ol Scien

GENITALIA OF THE BUPRESTID GENUS AGRILUS

FOR EXPLANATION OF PLATE SEE PAGE 339

U. S. NATIONAL MUSEUM BULLETIN 145 PLATE 10

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GENITALIA OF THE BUPRESTID GENUS AGRILUS

FoR EXPLANATION OF PLATE SEE PAGE 339

U. S. NATIONAL MUSEUM BULLETIN 145 PLATE 11

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GENITALIA OF THE BUPRESTID GENUS AGRILUS

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FoR EXPLANATION OF PLATE SEE PAGE 339

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NORTH AMERICAN BUPRESTID BEETLES 315

clothed with short, recumbent, whitish hairs; first abdominal seg-
ment slightly flattened but not conspicuously pubescent at middle;
prosternum densely punctate, and densely clothed with long, semi-
erect, whitish hairs, and the anterior and middle tibiae armed with
a small tooth on inner margin at apex.

Redescribed from the female lectotype, No. 3495, in the Phila-
delphia Academy of Natural Sciences.

Type locality—Western Nevada.

DISTRIBUTION
Material examined:

ARIZONA: Palmerlee ( ). Huachuca Mountains, July 15-28 (J. S. Hine)
(H. A. Wenzel). Carr Canyon, Huachuca Mountains, August, 1895 (H.
Skinner). Santa Rita Mountains, 5,000—-8,000 feet, July (F. H. Snow).

Ngyvapa: No definite locality (Morrison).

Variations——Scarcely any variation was observed in the specimens
examined, except in size, and the prosternal lobe, which is either
broadly rounded, broadly subtruncate, or feebly emarginate in front.
Length, 3 to 5.25 millimeters.

Host.—Unknown.

This species is closely allied to imbellis Crotch and sierrae Van
Dyke. From the former the males can be separated by the first and
second abdominal segments being longitudinally concave at the mid-
dle, and densely clothed with long pubescence, whereas in zmbellis the
first and second abdominal segments are feebly flattened at the
middle, and not clothed with conspicuous hairs. There will be some
difficulty in separating the females of these two species, but in
abditus the pronotum is usually more longitudinally depressed, and
the prehumeral carinae are sharply elevated. From sierrae it can
be separated by not having the front of the head deeply depressed,
and the marginal and submarginal carinae of the pronotum not
separated from each other for their entire length.

111. AGRILUS PUBESCENS, new species

Male—Form small, moderately elongate, slightly flattened above,
and strongly shining; head reddish cupreous in front, and becoming
piceous on the occiput; pronotum and elytra piceous, with a more or
less cupreous tinge; beneath reddish cupreous, and more shining
than above.

Head with the front broad, nearly flat, about equal jn width at
bottom and top, broadly, arcuately constricted at middle, and without
a distinct median depression; surface densely, finely granulose, finely
punctate, more or less longitudinally rugose on the occiput, and
rather densely clothed with semierect, white hairs; epistoma slightly

2305—28——21

316 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

transverse between the antennae, broadly and rather deeply, arcuately
emarginate in front, and the clypeal suture distinct; antennae ex-
tending slightly beyond middle of pronotum, serrate from the fifth
joint, and the outer joints as wide as long; eyes large, broadly oval,
and slightly more acutely rounded beneath than above.

Pronotum slightly wider than long, about equal in width at base
and apex, and widest at middle; sides feebly, arcuately rounded from
apical angles to behind middle, then obliquely narrowed to the pos-
terior angles, which are rectangular; when viewed from the side the
mrginal and submarginal carinae are feebly sinuate, narrowly sepa-
rated anteriorly, and connected to each other behind the middle;
anterior margin strongly sinuate, and the median lobe rounded
and strongly produced; base feebly, arcuately emarginate at middle
of each elytron, the median lobe broadly rounded, and feebly emar-
ginate in front of scutellum; disk moderately convex, with a broad,
shallow median depression extending from near anterior margin to
base, a broad, shallow depression on each side along lateral margin,
and with sharply defined, straight prehumeral carinae; surface
obsoletely granulose, finely but not deeply rugose, finely, sparsely
punctate between the rugae, which are more or less transverse at
the middle, and sparsely clothed with short, inconspicuous, white
hairs. Scutellum strongly, transversely carinate, and the surface
densely reticulate.

Elytra slightly wider than pronotum at base, and equal in width
at base and apical third; sides nearly parallel for a short distance
behind base, feebly constricted in front of middle, feebly, broadly
expanded behind middle, then obliquely narrowed to the tips, which
are rather acutely rounded, and coarsely serrulate; sides of abdomen
narrowly exposed above; disk slightly flattened, the sutural margins
rather strongly elevated behind the middle, and with broad, moder-
ately deep basal depressions; surface finely, densely imbricate-punc-
tate, and sparsely, uniformly clothed with short, recumbent, white
hairs.

Abdomen beneath sparsely, finely punctate, the punctures con-
nected transversely by sinuate lines, which are coarser on basal
segment, and sparsely, uniformly clothed with short, recumbent,
white hairs; first segment convex at middle; vertical portions of
segments not conspicuously pubescent; pygidium longitudinally
carinate, but the carina not projecting. Prosternum finely, sparsely
punctate, and densely clothed with long, erect, fine hairs; prosternal
lobe broad, feebly declivous, and broadly subtruncate in front; pros-
ternal process rather broad, the sides nearly parallel to behind the
coxal cavities, then strongly narrowed to the apex, which is acute,
Posterior coxae with the posterior margin slightly sinuate, and the

NORTH AMERICAN BUPRESTID BEETLES 317

exterior angle rectangular and not prolonged. Tibiae slender,
slightly arcuate, and the anterior and middle pairs armed with a
distinct tooth on inner margin at apex. Posterior tarsi nearly as
long as the tibiae, and the first joint as long as the following three
joints united. Tarsal claws similar on all feet, cleft near the middle,
the inner tooth broad, much shorter than outer one, and not turned
inward. Genitalia similar to those of celtz.

Female.—Differs from the male in having the front of head
broader, and the lateral margins parallel to each other; antennae
shorter; prosternum less densely punctured and not clothed with
long, erect hairs, and the tibiae without a distinct tooth at apex.

Length, 4.5-5 mm.; width, 1-1.25 mm.

Type locality— Tanke Verde,” Ariz.

Other localities —Texas: Beeville, Kerrville, Dallas, Devil’s River,
and Sheffield.

Type, allotype, and paratypes—Cat. No. 41015, U.S.N.M. Para-
types, California Academy of Sciences.

Described from 15 specimens (1 type). The type, allotype, and
two paratypes reared from catclaw (Acacia greggti Gray) collected
at the type locality by M. Chrisman (Hopk. U. S. No. 18700b*) ; three
paratypes labeled “Texas” from the Belfrage collection; three
paratypes collected at Kerrville, Tex., April 22, 1908, and one at
Devil’s River, Tex., May 8, 1907, by F. C. Pratt; one paratype col-
lected at Beeville, Tex., April 22 (Hubbard and Schwarz) ; one para-
type from Dallas, Tex., April 25, 1907 (Schwarz and Pratt); and
two paratypes collected at Sheffield, Tex., April 24, 1924, by J. O.
Martin.

There are some slight variations among the paratypes, the head
varying in color from bronzy green to reddish cupreous, and the
median depression on front of head and pronotum are more or less
variable in distinctness.

This species resembles olentangyi Champlain and Knull, but can
be readily separated from that species by having the prosternal lobe
broadly rounded or subtruncate in front, and by the different shape
of the male genitalia.

112. AGRILUS PUSILLUS (Say)
Figure 87

Buprestis pusilla Say, Ann. Lye. Nat. Hist. New York, vol. 1, pt. 2, 1825,
p. 252,—LreConts, Say’s Writings, vol. 1, p. 388 (Bailliére Bros. ed.,
1859; Cassino and Co. ed., 1883).

Agrilus pusillus Say, Trans. Amer. Philos. Soc., vol. 6, new ser., 1836, p.
162.—LxEContTE, Say’s Writings, vol. 2, p. 596 (Bailliére Bros. ed., 1859;
Cassino and Co. ed., 1883); Trans. Amer. Philos. Soe., vol. 11, new
ser., 1859, p. 244.—CrotcH, Proc. Acad. Nat. Sci. Phila., vol. 25, 1873.

318 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

p. 92.—WIcKHAM, Bull. Lab. Nat. Hist., State Univ. Iowa, vol. 1, no. 1,
1888, p. 87.—HorN, Trans. Amer. Ent. Soc., vol. 18, 1891, pp. 333-334.—
WIcKHAM, Bull. Lab. Nat. Hist., State Univ. Iowa, vol. 4, no. 3, 1898,
p. 305.—SMi1TH, 27th Ann. Rept. N. J. State Board Agric. for 1899
(1900), suppl. p. 258—WickHAM, Bull. Lab. Nat. Hist., State Univ.
Iowa, vol. 5, no. 3, 1902, p. 269; vol. 6, no. 2, 1909, p. 23 (Author’s
ed.).—SmitH, Ann. Rept. N. J. State Mus. for 1909 (1910), p. 295.—
BLATCHLEY, Coleoptera of Indiana, 1910, p. 805.—MurcHiER and
Wetss, N. J. Dept. Agric., Bur. Statistics and Inspection, Cire. 48, 1922,
p. 10.—KNULL, Canad. Ent., vol. 54, 1922, p. 84; Ohio State Univ.
Studies, vol. 2, no. 2, 1925, pp. 53-54.—CHAMBERLIN, Cat. Buprestidae,
1926, p. 75—CrippLe, 56th Rept. Ent. Soe. Ontario for 1925 (1926),
. 97.

ine parvus SAUNDERS, Cat. Buprestidarum, 1871, p. 116, no. 107 (un-
necessary new name for pusillus Say).

Male——F¥orm short, feebly shining, and somewhat resembling a
small ruficollis; head and pronotum aeneous or cupreous, the head
usually green on the front, and the pronotum more reddish on the
median part; elytra purplish-black; beneath piceous, with a strong
aeneous tinge, and slightly more shining than above.

Head with the front rather wide, moderately convex, and about
equal in width at top and bottom, the lateral margins usually feebly,
arcuately constricted at the middle, and with a feeble, broad, more
or less interrupted longitudinal groove extending from occiput to
epistoma; surface densely, finely granulose, with a few coarse punc-
tures intermixed, becoming somewhat longitudinally rugose on the
occiput, and sparsely clothed anteriorly with short, recumbent, whit-
ish hairs; epistoma rather narrow between the antennae, and broadly,
but not deeply, arcuately emarginate in front; antennae extending to
near middle of pronotum, serrate from the fifth joint, and the outer
joints not longer than wide; eyes large, elongate, and more acutely
rounded beneath than above.

Pronotum about one-fourth wider than long, narrower at base than
at apex, and widest at middle or near apical angles; sides obliquely,
or feebly, arcuately narrowed from apex to posterior angles, some-
times more or less parallel near the posterior angles, which are
rectangular; when viewed from the side the marginal carina is more
or less sinuate, the submarginal carina nearly straight, the two
carinae narrowly separated anteriorly, and connected to each other
at basal fourth; anterior margin strongly sinuate, with a broadly
rounded median lobe; base strongly, transversely bisinuate, with the
median lobe only feebly developed; disk moderately convex, with a
broad, transverse depression in front of base, so whéh viewed lat-
erally the median line of pronotum is more strongly convex on ante-
rior half, with a deep depression on each side along lateral margin
near middle, and with more or less distinct, straight prehumeral

NORTH AMERICAN BUPRESTID BEETLES 319

carinae extending from posterior angles to basal third; surface
coarsely, transversely rugose, obsoletely granulose, and sparsely, finely ©
punctate between the rugae. Scutellum with or without a transverse
carina, and the surface finely, densely reticulate.

Elytra wider than pronotum at base, and about equal in width at
base and behind middle; sides nearly parallel for a short distance
behind base, feebly, arcuately constricted in front of middle, broadly,
arcuately expanded behind middle, then obliquely narrowed to the
tips, which are separately, rather broadly rounded, and finely serru-
late; sides of abdomen narrowly exposed above; disk slightly flat-
tened, usually with a broad, obsolete, longitudinal depression along
the sutural margins, which are elevated posteriorly, and with broad,
very shallow basai depressions; surface coarsely imbricate-punctate,
and sparsely clothed with short, indistinct, whitish hairs.

Abdomen beneath rather finely, sparsely punctate, feebly, trans-
versely, irregularly striolate, and sparsely, uniformly clothed with
short, recumbent, whitish hairs; first and second segments feebly,
broadly, longitudinally, concave, the concavity sparsely clothed with
long, semierect, whitish hairs; vertical portions of segments not con-
spicuously pubescent; pygidium not carinate. Prosternum sparsely
punctate, coarsely rugose, and sparsely clothed with long, erect,
whitish hairs; prosternal lobe broad, slightly declivous, and broadly
truncate, with a feeble emargination in front; prosternal process
broad, the sides nearly parallel to behind the coxal cavities, then
obliquely narrowed to the apex, which is acutely rounded. Posterior
coxae with the posterior margin nearly transversely truncate or
feebly sinute, and the anterior angle rectangular, and not prolonged.
Tibiae slender, the anterior and middle pairs slightly arcuate, and
armed with a short tooth on inner margin at apex. Posterior tarsi
shorter than tibiae, and the first joint as long as the following two
joints united. Tarsal claws similar on all feet, cleft near the middle,
the outer tooth long and acute, the inner tooth broad, about one-half
as long as outer one, and not turned inward.

Length, 4.25 mm.; width, 1 mm.

Female.—Differs from the male in having the front of head more
cupreous, not so coarsely granulose, or densely pubescent anteriorly ;
prosternum without long, erect hairs; anterior and middle tibiae
unarmed at apex, and the first two abdominal segments convex, and
not clothed with long pubescence at middle.

Redescribed from a male and female from Kerrville, Tex., in the
United States National Museum collection. Since the type of this
species has been lost, I am designating the male from which the
above description was made as the neotype.

Type locality.—Missouri River.

320 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

DISTRIBUTION
Material examined:

ALABAMA: Langdale (H. H. Smith).

Cotorapo: Littleton, June 22, 1911 (C. A. Frost).

Towa: Iowa City, June 15, 1911 (Stoner). Lake Okoboji, July (lL. L.
Buchanan). Spirit Lake, June, 1896 ( Me

Kansas: Baldwin (J. C. Bridwell). Salina, and Sheridan County (——).

MINNESOTA: Ramsey County, July 11, 1923 (MacAndrews). Scott County,
June 6 (——-).

NEBRASKA: West Point, June 1888 (L. Bruner). Sand Hills, July (——).

PENNSYLVANIA: Hummelstown, June 12 (J. N. Knull).

SoutH DaxotTa: No definite locality.

Texas: Kerrville, April 10, 1907 (F. C. Pratt). Dallas, May 9, 1896 (F. C.
Bishopp). Austin, April 9, 1907 (R. A. Cushman). It has been recorded
in the literature from Indiana, New Jersey, and Winnipeg, Manitoba, but
no examples have been seen by the writer from these localities. It has
also been recorded from Arizona from specimens identified by Doctor
Horn as this species. These specimens which were collected in the Pinal
Mountains by H. F. Wickham have been examined by the writer and are
chiricahuae Fisher.

Variations —Very little variation was noted except in size and
color. The pronotum is bronzy green to reddish cupreous, usually
with the median part more or less purplish, and sometimes the
elytra are strongly aeneous. Length, 3.25 to 4.75 millimeters.

Host.—The larval habits are unknown, but the adults have been
collected in Nebraska by Bruner, and in Texas by Bishopp on false
indigo (Amorpha fruticosa Linnaeus.)

The general aspect of this species is that of a diminutive rujicollis
Fabricius, but it can always be separated from that species by the
serration of the antennae beginning with the fifth joint. It is
closely allied to egenus Gory and celti Knull, and there may be some
difficulty in separating the bronzy green females, but the males can
be readily separated from those of egenus and celti by the genitalia.
The name parvus has been suggested for this species by Saunders
(1871), but there seems to be no valid reason for this change. Cham-
berlin (1926) places pusillus as a variety of otiosus Say, but this is
incorrect, as puséllus is a valid species and does not fall in the same
group with otiosus.

113. AGRILUS ELEANORAE, new species
Figure 88

Male—¥orm small, robust, strongly flattened above, and moder-
ately shining; head bronzy green in front, and becoming brownish
cupreous on the occiput; pronotum and elytra uniformly brownish
cupreous; beneath similar in color to above but more shining.

Head with the front rather broad, feebly convex, about equal in
width at top and bottom the sides strongly, broadly constricted

NORTH AMERICAN BUPRESTID BEETLES 321

at the middle, and without a median depression; surface finely,
densely granulose, slightly rugose, especially on occiput and behind
the epistoma, and sparsely, uniformly clothed with short, recumbent,
white hairs; epistoma slightly transverse between the antennae,
broadly, deeply, arcuately emarginate in front, and the clypeal
suture distinct; antennae extending to middle of pronotum, serrate
from the fifth joint, and the outer joints about as wide as long; eyes
large, broadly oval, and equally rounded above and beneath.

Pronotum nearly as long as wide, equal in width at base and apex,
and widest just behind the middle; sides feebly, obliquely expanded
from apical angles to behind middle, then feebly, arcuately rounded
to the posterior angles, which are rectangular; when viewed from the
side the marginal and submarginal carinae are feebly sinuate, rather
narrowly separated anteriorly, and connected to each other behind
the middle; anterior margin strongly sinuate, the median lobe broadly
rounded and strongly produced; base arcuately emarginate at middle
of each elytron, the median lobe feebly produced, and subtruncate in
front of scutellum; disk moderately convex, without a median de-
pression, but vaguely, broadly, transversely depressed along basal
half, with a moderately deep depression on each side along lateral
margin, and with sharply elevated, straight, prehumeral carinae;
surface very finely, distinctly, and obliquely rugose at middle, finely,
sparsely punctate between the rugae, and not pubescent. Scutellum
strongly, transversely carinate, and the surface finely, densely
reticulate.

Elytra about as wide as pronotum at base, and equal in width at
base and apical third; sides nearly parallel for a short distance be-
hind base, vaguely constricted in front of middle, feebly expanded
behind middle, then obliquely narrowed to the tips, which are sepa-
rately, narrowly rounded, and feebly serrulate; sides of abdomen
rather broadly exposed above; disk slightly flattened, feebly de-
pressed along the sutural margins, which are slightly elevated behind
the middle, and with broad, moderately deep basal depressions; sur-
face finely, densely, imbricate-punctate, and sparsely clothed with
short, inconspicuous white hairs.

Abdomen beneath finely, sparsely punctate, the punctures connected
transversely by sinuate lines, which are coarser on basal segment,
and sparsely clothed with short, recumbent, white hairs; first and
anterior part of second segment broadly, feebly, longitudinally con-
cave, and clothed with longer and denser hairs at the middle; vertical
portions of segments not densely pubescent; pygidium coarsely,
sparsely punctate, longitudinally carinate anteriorly, but the carina
not projecting. Prosternum finely, sparsely punctate, and rather
densely clothed with long, erect, white hairs; prosternal lobe broad,
moderately declivous, and broadly rounded or subtruncate in front,

322 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

with a vague emargination at middle; prosternal process broad, the
sides nearly parallel to behinfd the coxal cavities, then abruptly nar-
rowed to the apex, which is acute. Posterior coxae with the posterior
margin transversely truncate externally, the exterior angle rectang-
ular, and not prolonged. Tibiae slender, straight, and the anterior
and middle pairs armed with a small tooth on inner margin at apex.
Posterior tarsi slightly shorter than tibiae, and the first joint as long
as the following three joints united. Tarsal claws similar on all feet,
cleft near the middle, the inner tooth broad, shorter than outer one,
and not turned inward.

Length, 4.50 mm.; width, 1.13 mm.

Female.—Unknown.

Type locality.—Devil’s River, Tex.

Type and paratype.—Cat. No. 41016, U.S.N.M.

Described from two males (one type), collected at the type locality,
May 2, 1907, on Pithecolobiwm sp., by E. A. Schwarz.

This species resembles ce/té Knull and egenus Gory very closely,
but can be separated from both these species by being a uniform
brownish cupreous color, the pronotum nearly subequal in width and
length, with the lateral margins nearly straight, and the surface very
finely, distantly, and obliquely rugose, and the male with the median
lobe of the genitalia strongly expanded and broadly subtruncate at
the apex.

This species is named in honor of Miss Eleanor T. Armstrong, who
has made considerable biological studies of some of the species of
this genus in California, and who has also made the drawings for
the present paper.

114. AGRILUS CELTI Knull

Figure 89

Agrilus celti KNuLL, Ent. News, vol. 31, 1920, pp. 11-12.—Frost and WEIss,
Canad. Ent., vol. 52, 1920, p. 223.—Niconay, Journ. N. Y. Ent. Soc., vol.
29, 1921, p. 175—Knu1t, Canad. Ent., vol. 54, 1922, p. 85—-CHAMPLAIN
and Knut, Ent. News, vol. 34, 1923, p. 85, fig. 1—KNULL, Ohio State
Univ. Studies, vol. 2, no. 2, 1925, pp. 52-53, pl. 1, fig. 1—CHAMBERLIN,
Cat. Buprestidae, 1926, p. 56.

Agrilus egenus Horxins, (not Gory), Insect Life, vol. 4, 1892, p. 259.

Male.—Form moderately elongate, similar to egenus, feebly shin-
ing, uniformly brownish or greenish bronze, except the head, which is
light green, with a feeble aeneous tinge; beneath green, with a strong
aeneo-cupreous tinge, and more shining than above.

Head with the front rather wide, nearly flat, about equal in width
at top and bottom, the lateral margins feebly, arcuately constricted at
middle, and with a feeble, narrow longitudinal groove on the vertex
and occiput; surface densely, coarsely granulose on the front, with

NORTH AMERICAN BUPRESTID BEETLES 323

numerous large punctures intermixed, becoming longitudinally
rugose on the occiput, and rather densely clothed on lower half with
moderately long, recumbent, whitish pubescence; epistoma strongly
transverse between the antennae and broadly, deeply, arcuately
emarginate in front; antennae extending to middle of pronotum,
serrate from the fifth joint, and the outer joints vaguely longer than
wide; eyes large, broadly elongate and more acutely rounded beneath
than above.

Pronotum one-third wider than long, slightly narrower at base
than at apex, and widest near middle; sides nearly parallel, or
feebly, arcuately rounded to near basal fourth, than rather strongly
narrowed to the posterior angles, which are rectangular; when
viewed from the side the marginal carina is strongly sinuate, the
submarginal carina feebly sinuate, the two carinae narrowly sepa-
rated anteriorly, and connected to each other at basal fourth; ante-
rior margin strongly sinuate, with a broadly rounded median lobe;
base transversely sinuate, with the median lobe feebly developed, and
arcuately or subangularly emarginate in front of scutellum; disk
moderately convex, with two feeble, round depressions placed lon-
gitudinally at the middle, of which the posterior one is the deepest,
a large, deep depression on each side along lateral margin, and
with strongly elevated, straight, prehumeral carinae, extending
from base to the middle; surface rather coarsely, transversely ru-
gose, finely, densely granulose, and finely, densely punctate between
the rugae. Scutellum transversely carinate, and the surface finely,
densely reticulate.

Elytra wider than pronotum at base, and about equal in width
at base and behind middle; sides parallel for a short distance be-
hind base, broadly, vaguely constricted near middle, feebly, arcu-
ately expanded behind middle, then obliquely narrowed to the tips,
which are separately, rather narrowly rounded, and coarsely ser-
rulate; sides of abdomen scarcely visible from above; disk feebly,
longitudinally depressed along the sutural margins, which are ele-
vated posteriorly, and with broad, shaliow basal depressions; sur- -
face rather coarsely, imbricate-punctate, and sparsely, uniformly
clothed with short, inconspicuous, whitish hairs.

Abdomen beneath rather densely, finely punctate, becoming more
or less irregularly striolate toward the sides of basal segments, and
sparsely, uniformly clothed with short, recumbent, whitish pubes-
cence; first and second segments flattened (the first feebly concave),
and the median part more densely clothed with longer hairs; verti-
cal portions of the segments slightly more densely pubescent than
ventral surface; pygidium not distinctly carinate at middle. Pro-
sternum rather coarsely, sparsely granulose, and rather densely

324 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

clothed with long, erect, whitish hairs, which extend along middle
of body to middle of second abdominal segment; prosternal lobe
broad, feebly declivous, broadly rounded in front and with a broad,
deep, arcuate emargination at the middle; prosternal process rather
broad, the sides nearly parallel to behind the coxal cavities, then ob-
liquely rounded to the apex. Posterior coxae with the posterior
margin nearly transversely truncate or feebly sinuate, and the exte-
rior angle rectangular. Tibiae slender, nearly straight, and the
anterior and middle pairs armed with a short tooth on inner mar-
gin at apex. Posterior tarsi distinctly shorter than tibiae, and the
first joint as long as the following three joints united. Tarsal claws
similar on all feet, cleft near the middle, the outer tooth long and
acute, the inner tooth broad, about one-half as long as outer one,
and not turned inward.

Length, 4.75 mm.; width, 1.2 mm.

Female.—Differs from the male in having the front of head more
cupreous, and not so densely punctate, granulose or pubescent;
prosternum more coarsely granulose, without long, erect pubescence,
and the prosternal lobe not so deeply emarginate at middle; first
two abdominal segments convex at middle, and without long pubes-
cence, and the tibiae unarmed at apex.

Redescribed from the male type in the collection of J. N. Knull.

Type locality —Hummelstown, Pa.

DISTRIBUTION
Material examined:

ConNEcTICUT: Canaan, July 26, 1924 (C. A. Frost). Lyme, reared (W. S.
Fisher). North Branford, June 2, 1921 (M. P. Zappe). New Haven, June
18, 1921 (B. H. Walden). Short Beach, July 14, 1904 (P. L. Butrich).
Branford, July 3, 1905 (H. W. Winkley).

DIstTRIcT oF CoLUMBIA: Rock Creek Park, May 28, 1922 (J. R. Malloch). Wash-
ington, June 18 (Hubbard and Schwarz).

ILLINOIS: Willow Springs, June 5, 1914; Riverside, June 10, 19138 (BH. Liljeblad).
Edgebrook, June 28, 1914 (Selinger). Galesburg, July 9, 1892; Lilly, June
11, 1914; La Grange (——).

Kansas: Douglas County; Clark County, May (F. H. Snow). Salina ( ).

MARYLAND: Hagerstown, May 22, 1913 ( ). Plummer Island, June 15, 1905
(D. H. Clemons). Great Falls, May 23, 1915 (W. L. McAtee).

MicHicaAN: Agriculture College, July 5 (L. G. Gentner).

Missouri: Central part, June, July (——).

New HAMPSHIRE: Hampton, June 18, 1901 (S. A. Shaw).

New York: Long Island (——-). Albany, June 18, 1903 (——).

Ont10: Columbus, June-July (J. N. Knull).

PENNSYLVANIA: Hummelstown, reared June—July (J. N. Knull and H. B. Kirk).

SoutTH CAROLINA: Clemson College, May 22, 1926 (J. O. Pepper). Caesar Head,
June 29, 1926 (F. Sherman).

SoutH Daxora: No definite locality (F. M. Hull).

NORTH AMERICAN BUPRESTID BEETLES 325

Texas: Montell, April 2, 1907 (W. F. Fiske). Zavalla County, April (Hunter
and Pratt). Victoria, April 9, 1916 (J. D. Mitchell).

VirGiIniA: Dyke, May 28, 1920 (L. L. Buchanan). Pennington Gap, July (Hub-
bard and Schwarz).

WEst VirGINIA: No definite locality.

Variations —The color varies from brownish cupreous to bluish
green, but is usually dark bronzy brown. The lateral margins and
median depressions on the pronotum, the anterior margin of the
prosternal lobe, and the length of the posterior tarsi are all more or
less variable, and can not be used satisfactorily in this species.
Length, 3.25 to 5.25 millimeters.

Host.—This species has been reared a number of times from dead
branches of hackberry (Celtis occidentalis Linnaeus), and is common
wherever its host plant occurs.

This is a perfectly good species, but so far, no valid characters
have been found for separating the females of this species and egenus
satisfactorily, although a large series of reared specimens of both
species were available for study. The external characters in the males
are also variable, but in cel¢i the males have the sides of the genitalia
nearly parallel to each other, and the species lives in hackberry,
whereas in egenus the sides of the genitalia are strongly expanded
near the apex, and the species lives in black locust.

115. AGRILUS EGENUS Gory
Figure 90

Agrilus egenus DEJEAN, Cat. Coleopt., ed. 2, 1833, p. 82; ed. 3, 1837, p. 93
(no description) —Gory, Mon. Bupr. Suppl., vol. 4, 1841, p. 258, pl. 43,
fig. 251—LerContsr, Proc. Acad. Nat. Sci. Phila., vol. 9, 1857, ps 9:
Trans. Amer. Philos. Soc., vol. 11, new ser., 1859, pp. 249-250; Smith-
sonian Mise. Coll., No. 167, 1868, p. 82.—GtLovrer, Rept. U. S. Comm.
Agric. for 1868 (1869), p. 92, fig. 103; Rept. U. S. Comm. Agric. for
1870 (1871), p. 67.—Pertit, Canad. Ent., vol. 4, 1872, p. 99—GuLovEr,
Illustrations N. Amer. Ent., Coleopt., 1878, pl. 28, fig. 7 (no text).—
Hupsarp and ScHwarz, Proc. Amer. Philos. Soc., vol. 17, 1878, pp.
636, 656.—HarRInGToN, Canad. Ent., vol. 15, 1888, p. 80 (probably
otiosus) ; 14th Rept. Ent. Soe. Ontario for 18838 (1884), pp. 36, 45
(probably otiosus); Canad. Ent., vol. 16, 1884, p. 102 (probably otio-
sus); 15th Rept. Ent. Soc. Ontario for 1884 (1885), p. 31 (probably
otiosus). —CHITTENDEN, Ent. Amer., vol. 5, 1889, pp. 219-220.—BLAN-
CHARD, Ent. Amer., vol. 5, 1889, p. 32.—Cooxk, 29th Rept. Mich. Board
Agric., 1890, p. 119 (probably otiosus).—PackarD, 5th Rept. U. 8. Ent.
Comm., 1890, pp. 291, 872 (in part probably otiosus).—ScHWwakrz, Proc.
Ent. Soe. Wash., vol. 2, 1891, pp. 74-75—Horn, Trans. Amer. Ent. Soc.,
vol. 18, 1891, pp. 331-832, pl. 8, fig. 13 (part).—Horx1ns, Insect Life,
vol. 4, 1892. p. 259 (this is celti Knull).—Havusen, Canad. Ree. Sci.,
vol. 5, 1892, p. 52—Hopxins, W. V. Agric. Exp. Sta., Bull. 32, 1893,
pp. 184, 222, 223Haminton, Trans. Amer. Ent. Soc., vol. 22, 1895, p.
364.—Evans, Canad. Ent., vol. 27, 1895, p. 146.—CocKERELL, New Mex-

326 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

ico Agric. Exp. Sta., Bull. 28, 1898, p. 152—Smirn, 27th Ann. Rept.
N. J. State Board Agric. for 1899 (1900), suppl., p. 258.—CHITTENDEN,
U. S. Dept. Agric., Div. Ent., Bull. 22, new ser., 1900, p. 67 (part) —
MAcGILLIvRAy and HoucHTon, Ent. News, vol. 18, 1902, p. 251.—ULkKE,
Proc. U. S. Nat. Mus., vol. 25, No. 1275, 1902, p. 47.—Ovrttet, Le
Naturaliste Canadien, vol. 29, 1902, p. 120—Knaus, Ent. News, vol. 14,
1903, p. 176.—F ext, N. Y. State Mus., Mem. 8, vol. 2, 1906, pp. 715, 729
(part).—Fatui and CocKkEreLz, Trans. Amer. Ent. Soc., vol. 33, 1907,
p. 181.—Hoventon, Canad. Ent., vol. 40, 1908, p. 162—Darckr, Ent.
News, vol. 20, 1909, p. 330 (probably otiosws)—Smiru, Ann. Rept.
N. J. State Mus. for 1909 (1910), p. 295.—BLatcuiry, Coleoptera of
Indiana, 1910, pp. 804-805, fig. 8307.—Brat, U. S. Dept. Agric., Biol.
Survey, Bull. 44, 1912, p. 54—Manrs, Ent. News, vol. 24, 1913, p. 171.—
JOHNSON, Ent. News, vol. 26, 1915, p. 312.—GarmaNn, Ky. State For-
ester, 2d Bien, Rept., 1915, pp. 52-53; Ky. Agric. Exp. Sta. Bull. 200,
1916, p. 124.—CHagnon, 9th Rept. Quebee Soc. Protection Plants, suppl.
pt. 3, 1917, p. 219.—Niconay, Bull. Brooklyn Ent. Soc., vol. 14, 1919, p.
19.—BritTon, Conn. State Geol. and Nat. Hist. Survey, Bull. 31, 1920,
p. 244.—RosEwa Lt, Canad. Mnt., vol. 52, 1920, p. 203.—F Rost and WEISS,
Canad. Ent., vol. 52, 1920, p. 223 (part).—KNvuLL, Ent. News, vol.
31, 1920, p. 11; Canad. Ent., vol. 54, 1922, p. 85—MurTcHLer and WEISS,
N. J. Dept. Agric., Bur. Statistics and Inspection, Circ. 48, 1922, p. 8,
pl. 1, fig. 11 (part) —CHAMPLAIN and KNULL, Ent. News, vol. 34, 1923,
p. 85, fig. 2—CHapin, U. S. Dept. Agric., Bull. 1855, 1925, p. 33.—
KNULL, Ohio State Uniy. Studies, vol. 2, no. 2, 1925, p. 52, pl. 1, figs. 4,
11.—- CHAMBERLIN, Cat. Buprestidae, 1926, pp. 59-60.

Agrilus otiosus PAcKaRD (not Say), 5th Rept. U. S. Ent. Comm., 1890,
p. 367.—SmMITH, 27th Ann. Rept. N. J. State Board Agric. for 1899 (1900),
suppl. p. 257 (part).—Fext, N. Y. State Mus., Mem. 8 vol. 2, 1906, pp.
502, 518, 729 (part).—SmiryH, Ann. Rept. N. J. State Mus. for 1909
(1910), p. 295 (part).—Frost and Weiss, Canad. Hnt., vol. 52, 1920, pp.
205-206 (part).—MuTcHLrerR and Weiss, N. J. Dept. Agric., Bur. Sta-
tistics and Inspection, Cire. 48, 1922, p. 9 (part).—FrExt, 35th Rept.
N. Y. State Hnt. for 1921 (1923), p. 90 (part).

Agrilus politus LuacrR (not Say), Psyche, vol. 4, 1884, p. 203.—Fertr, N. Y.
State Mus., Mem. 8, vol. 2, 1906, pp. 729, 741 (part).

Male—Form moderately elongate, feebly shining, uniformly
brownish or greenish bronze, except the head, which is hght green,
with a slight aeneous tinge; beneath slightly more greenish and
shining than above.

Head with the front rather wide, nearly flat, about equal in width
at top and bottom, the lateral margins rather strongly, arcuately
constricted at middle, and with a feeble, narrow longitudinal groove
on the vertex and occiput; surface densely, coarsely granulose on the
front, with numerous large punctures intermixed, becoming longitu-
dinally rugose on the occiput, and sparsely clothed anteriorly with
moderately long, recumbent, whitish hairs; epistoma rather wide
between the antennae, and broadly, deeply, arcuately emarginate in
front; antennae extending to middle of pronotum, serrate from the

NORTH AMERICAN BUPRESTID BEETLES 327

fifth joint, and the outer joints longer than wide; eyes large, rather
broadly oval, and more acutely rounded beneath than above.

Pronotum one-third wider than long, slightly narrower at base
than at apex, and widest near the middle; sides nearly parallel or
feebly, arcuately rounded to basal fourth, then feebly narrowed to
the posterior angles, which are rectangular; when viewed from the
side the marginal carina is rather strongly sinuate, the submarginal
carina straight or feebly sinuate, the two carinae not very widely
separated anteriorly, and connected to each other at basal fourth;
anterior margin strongly sinuate, with a broadly rounded median
lobe; base transversely sinuate to middle of each elytron, with the
median lobe feebly, broadly rounded, and subtruncate or feebly emar-
ginate in front of scutellum; disk moderately convex, with one or
two round, feeble depressions placed longitudinally on the median
part, a large, deep depression on each side along lateral margin, and
with strongly elevated, slightly oblique, prehumeral carinae, extend-
ing from base to near the middle; surface coarsely, transversely
rugose, finely, densely granulose and with numerous fine punctures
between the rugae. Scutellum transversely carinate, and the surface
finely, densely reticulate.

Elytra wider than pronotum at base, and about equal in width at
base and behind middle; sides parallel for a short distance behind
base, broadly, feebly constricted near middle, broadly, arcuately ex-
panded behind middle, then obliquely narrowed to the tips, which are
separately, rather broadly rounded, and finely serrulate; sides of
abdomen narrowly exposed above; disk feebly longitudinally de-
pressed along the sutural margins, which are strongly elevated pos-
teriorly, and with broad, moderately deep basal depressions; surface
rather coarsely imbricate-punctate, and clothed with a few short,
inconspicuous, whitish hairs, which are more distinct in the basal
depressions.

Abdomen beneath rather densely, finely punctate, becoming irreg-
ularly, transversely striolate toward the sides of basal segments, and
sparsely, uniformly clothed with short, recumbent, whitish hairs;
vertical portions of the segments slightly more densely pubescent
than ventral surface; first and second segments broadly, but not
deeply, longitudinally concave at middle, and the concavity rather
densely clothed with long, semierect, whitish hairs, which point
obliquely backward toward the median line of the concavity; pygid-
ium with a smooth median line, but not carinate. Prosternum rather
coarsely, sparsely granulose, and rather densely clothed with long,
erect, inconspicuous hairs, which extend along the median part of
body to the abdomen; prosternal lobe broad, slightly declivous,
broadly rounded in front, and with a broad, feeble, arcuate emargina-

328 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

tion at the middle; prosternal process rather broad, the sides nearly
parallel to behind the coxal cavities, then obliquely narrowed to the
apex, which is obtusely rounded. Posterior coxae with the posterior
margin nearly transversely truncate, or feebly sinuate, and the ex-
terior angle rectangular, and not prolonged. Tibiae slender, the
anterior and middle pairs slightly arcuate, and armed with a short
tooth on inner margin at apex. Posterior tarsi about as long as the
tibiae, and the first joint as long as the following three joints united.
Tarsal claws similar on all feet, cleft near the middle, the outer
tooth long and acute, the inner tooth broad, about one-half as long
as outer one, and not turned inward.

Female.—Differs from the male in having the front of head more
bronzy green, the lateral margins nearly parallel, more sparsely
punctured, and not quite so densely granulose and pubescent; pro-
sternum more coarsely punctured, not clothed with long pubescence,
and the prosternal lobe subtruncate in front; anterior and middle
tibiae unarmed at apex; first two abdominal segments convex, and
without long pubescence at middle, and the hind tarsi slightly
shorter than the tibiae.

Length, 3.5-5.5 mm.; width 1-1.6 mm.

Type locality—North America. Originally described from the
Gory collection, but present location of type is unknown to writer.

Distribution—This species has a wide distribution, being found
in eastern Canada (Quebec, Ontario) and the eastern and south-
western part of the United States. Material has been examined
from various localities in the following States: Arizona, Connecti-
cut, District of Columbia, Illinois, Indiana, Iowa, Kentucky, Louisi-
ana, Maryland, Massachusetts, Michigan, Mississippi, Nebraska, New
Jersey, New Mexico, New York, North Carolina, Ohio, Oklahoma,
Pennsylvania, South Carolina, Tennessee, Texas, Virginia, West
Virginia, and Wisconsin.

V ariations.—N otwithstanding the wide area over which this species
is distributed, there seems to be very little variation, except in size and
color. The color varies from cupreous brown to olivaceous green,
and all intermediate shades can be found in a large series of specimens.
Some examples are slightly more robust than others, the pubescence
on the upper surface is slightly more distinct, and the median depres-
sions on the pronotum are usually distinct, but occasionally specimens
are found in which the depressions are obsolete.

Hosts——This species has been reared a number of times by dif-
ferent workers from black locust (Robinia pseudoacacia Linnaeus)
which seems to be its common host plant. It has also been reared from
the New Mexican locust (Robinia neomeaxicana Gray.) by Hubbard
and Schwarz. It has been recorded a number of times in the literature

NORTH AMERICAN BUPRESTID BEETLES 329

as having been reared from hickory (Hicoria sp.), but these records
are probably from erroneously identified specimens, and should refer
to otiosus Say. Frost and Weiss (1920) record it as having been
reared from Virginia creeper (Parthenocissus guinquefolia (Lin-
naeus) Planchon) by H. B. Kirk, but this is probably only accidental.

This species is badly confused in nearly all of the collections, and
the citations to it in the literature sometimes refer to other species,
so great care should be used in citing any of the older records for
this species. It has been frequently confused with otiosus Say, but it
can be readily separated from that species by the structure of the
antennae. In the group of species in which the serration of the
antennae begins with the fifth joint, this species is very closely allied
to celti Knull, and the females of these two species can not be sepa-
rated satisfactorily, although the males are readily separated on the
differences in the genitalia.

116. AGRILUS ABSTERSUS Horn

Figure 91

Agrilus abstersus Horn, Trans. Amer, Ent. Soe., vol. 18, 1891, p. 3824.—
CHITTENDEN, U. S. Dept. Agric., Div. Ent., Bull. 22, new ser., 1900,
p. 67.—Frost and Wel!Iss, Canad. Ent., vol. 52, 1920, p. 222—CHAM-
BERLIN, Cat. Buprestidae, 1926, p. 47.

Male—FYorm small, moderately elongate, subcylindrical, moder-
ately shining and piceous, with a strong aeneous or greenish tinge;
beneath slightly more shining than above.

Head with the front rather wide, strongly convex, slightly wider at
top than at bottom, the lateral margins feebly, obliquely expanded
from bottom to top, and without any trace of depressions; surface
finely. obsoletely granulose, sparsely, feebly rugose or punctate, and
sparsely clothed with rather long, recumbent, whitish hairs; epistoma
rather narrow between the antennae, and broadly, rather deeply,
arcuately emarginate in front; antennae extending to about middle of
pronotum, serrate from the fifth joint, and the outer joints about
as wide as long; eyes small, broadly oval, and equally rounded beneath
and above.

Pronotum slightly wider than long and distinctly narrower at
base than apex; sides nearly parallel or feebly arcuate from apical
angles to basal third, then obliquely narrowed to the posterior
angles, which are obtuse; when viewed from the side the marginal
and submarginal carinae are nearly straight, rather widely sepa-
rated anteriorly, and connected to each other behind the middle;
anterior margin slightly sinuate, with a broadly rounded median
lobe; base transversely bisinuate, with a broadly rounded median lobe,
which is arcuately emarginate in front of scutellum; disk mod-

330 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

erately convex, without median or lateral depressions, and without
any trace of prehumeral carinae; surface obsoletely granulose, feebly,
obliquely rugose, the rugae widely separated, and sparsely clothed
with short, inconspicuous, recumbent, whitish hairs. Scutellum not
transversely carinate, but the surface finely reticulate.

Elytra slightly wider than pronotum at base; sides nearly parallel
to behind middle (arcuately constricted in front of middle), then
obliquely narrowed to the tips, which are conjointly, very broadly
rounded, and strongly serrulate; sides of abdomen scarcely visible
from above; disk moderately convex, the sutural margins elevated
posteriorly, with broad, shallow basal depressions, but without
costae or longitudinal depressions along suture; surface coarsely
imbricate-punctate and distinctly clothed with uniformly spaced,
moderately long, recumbent silvery white hairs.

Abdomen beneath finely, transversely reticulate, the reticulation
widely separated, and sparsely clothed with short, recumbent, sil-
very white hairs; vertical portions of segments not conspicuously
pubescent; first segment with a short, smooth, median groove at
the posterior margin; pygidium more or less longitudinally carinate,
but the carina not projecting posteriorly. Prosternum sparsely,
finely punctate, and sparsely clothed with long, erect, whitish hairs,
which extend along the median part of the body to abdomen; pro-
sternal lobe broad, strongly declivous, and subtruncate, or broadly,
feebly emarginate in front; prosternal process rather broad, the sides
nearly parallel to behind the coxal cavities, then arcuately attenuate
to the apex, which is obtusely rounded. Posterior coxae with the
posterior margin sinuate and the exterior angle not prolonged.
Tibiae slender, the anterior pair shghtly arcuate and the anterior
and middle pairs armed with a rather long, arcuate tooth on the
inner margin at apex. Posterior tarsi about as long as the tibiae and
the first joint shghtly longer than the second one. ‘Tarsal claws
dissimilar, the anterior claws cleft near the middle, the two teeth
acute at tips, and nearly equal in length; middle and posterior claws
cleft near middle, the inner tooth broad, about one-half as long as
the outer tooth, and not turned inward.

Length, 3.75 mm.; width, 0.875 mm.

Female.—Difters from the male in having the front of head brown-
ish cupreous and the surface not quite so densely pubescent; pro-
sternum very sparsely punctured and without long pubescence; first
abdominal segment convex, and not sulcate at middle, and.the tarsal
claws similar on all feet, cleft near the middle, the inner tooth broad,
shorter than outer one, and not turned inward.

Redescribed from the male lectotype, No. 3490, in the Philadelphia
Academy of Natural Sciences.

Type locality—Southern Arizona (no definite locality given).

NORTH AMERICAN BUPRESTID BEETLES 331

DISTRIBUTION

Material examined :

ARIzONA: Hot Springs, June 27 (Barber and Schwarz). Santa Rita Mountains,
May 17 (Hubbard and Schwarz). “Tanke Verde,’ reared (M. Chrisman).
Also numerous specimens simply labeled “Arizona,” collected by Morrison,
and probably all from the type locality.

Variations.—Very little variation has been observed in the speci-
mens examined except that some examples are slightly more bronzy
green than others, and the length varies from 3 to 4 millimeters.

Host.—This species has been reared by Hubbard and Schwarz, and
also by Chrisman, from the twigs of catclaw (Acacia greggit Gray).

This species resembles Taphrocerus agriloides Crotch very closely,
and is allied to Agrilus putillus Say, from which it can be readily
separated by the elytra not being costate, the eyes broadly rounded
beneath, and the scutellum not transversely carinate.

117. AGRILUS PUTILLUS Say

Figure 92

Agrilus putillus Say, Trans. Amer. Philos. Soc., vol. 6, new ser., 1836, p.
163.—LeConts, Trans. Amer. Philos. Soc., vol. 11, new ser., 1859, p. 250;
Say’s Writings, vol. 2, p. 579 (Bailliére Bros. ed., 1859; Cassino and
Co. ed., 1883).—CrorcH, Proc. Acad. Nat. Sci. Phila., vol. 25, 1878, p.
96.—HvpBaRD and ScHwarz, Proc. Amer. Philos. Soc., vol. 17, 1878,
p. 656.—HAarRINGTON, Canad. Ent., vol. 16, 1884, p. 71.—Horn, Trans.
Amer. Ent. Soc. vol. 18, 1891, p. 323.—BiatcHigey, Coleoptera of
Indiana, 1910, p. 804.—NicoLay and Weiss, Journ. N. Y. Ent. Soc., vol.
28, 1920, p. 145—KnuLL, Canad. Ent., vol. 54, 1922, p. 85; Ohio State
Univ. Studies, vol. 2, no. 2, 1925, pp. 50-51.—CHaAmBERLIN, Cat. Bup-
restidae, 1926, p. 79.

Male—Form small and robust, moderately shining, and piceous,
with a more or less distinct aeneous tinge, except the head, which is
dark bronzy green in front; beneath similar in color, but slightly
more shining than above.

Head with the front rather wide, about equal in width at top and
bottom, the lateral margins vaguely, broadly, arcuately constricted at
middle, and with a broad, feeble, longitudinal groove on the occiput;
surface densely, finely granulose, feebly transversely rugose on the
front, becoming longitudinally rugose on the occiput, and rather
densely clothed anteriorly with long, recumbent, silvery white hairs;
epistoma slightly transverse between the antennae, and broadly,
rather deeply, arcuately emarginate in front; antennae extending
about to middle of pronotum, serrate from the fifth joint, and the
outer joints not wider than long; eyes rather broadly oval, and
distinctly more acutely rounded beneath than above.

2305—28——22

332 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

Pronotum two-thirds wider than long, slightly narrower at base
than apex, and widest along apical half; sides nearly parallel and
slightly sinuate from apical angles to basal third, then obliquely nar-
rowed to the posterior angles, which are rectangular; when viewed
from the side the marginal and submarginal carinae are feebly
sinuate, not very widely separated anteriorly, and connected to each
other behind the middle; anterior margin nearly transversely truncate
and the median lobe only feebly indicated ; base transversely bisinuate,
the median lobe feebly, broadly rounded, and subtruncate in front
of scutellum; disk moderately convex, with a broad, shallow, trans-
verse depression behind the middle, with a large, deep depression
on each side along lateral margin at middle, and without prehumerat
carinae; surface coarsely, transversely rugose, and with numerous fine
punctures between the rugae. Scutellum strongly, transversely cari-
nate, and the surface densely, finely reticulate.

Elytra only feebly wider at base than pronotum; sides nearly par-
allel to behind the middle, where they are arcuately expanded and dis-
tinctly wider than at base, then obliquely narrowed to the tips, which
are separately, rather broadly rounded and obsoletely serrulate; sides
of abdomen not visible from above; disk feebly, longitudinally de-
pressed along the sutural margins, with broad, shallow basal depres-
sions, and a more or less distinct longitudinal costa on each elytron;
surface coarsely but not closely imbricate-punctate and clothed with
a few short, very indistinct, hairs.

Abdomen beneath finely, sparsely punctate, feebly alutaceous, and
very sparsely clothed with short, recumbent, whitish hairs; first and
second segments convex at middle and without long pubescence;
vertical portions of the segments not conspicuously pubescent; pygid-
ium not carinate. Prosternum sparsely, finely punctate, obsoletely
granulose, and sparsely clothed with long, erect, whitish hairs; pro-
sternal lobe broad, strongly declivous, and broadly, arcuately emar-
ginate in front; prosternal process rather broad, the sides slightly
expanded behind the coxal cavities, then strongly narrowed to the
apex, which is acute. Posterior coxae with the posterior margin
slightly arcuately emarginate and the exterior angle feebly pro-
longed. Tibiae slender, straight, and the anterior and middle pairs
armed with a very small tooth on the inner margin at apex. Pos-
terior tarsi distinctly shorter than the tibiae, and the first joint as
long as the following two joints united. Tarsal claws similar on all
feet, cleft near the middle, the outer tooth long and acute, the inner
tooth broad, about one-half as long as the outer one, and not turned
inward.

Length, 4 mm.; width, 1.125 mm.

Female.—Differs from the male in having the head uniformly
brownish cupreous, lateral margins more parallel, and the surface

NORTH AMERICAN BUPRESTID BEETLES 333

not quite so strongly granulose, and scarcely pubescent behind the

epistoma; abdomen slightly visible from above, the prosternum not

clothed with long, erect hairs, and the tibiae unarmed at apex.
Redescribed from a male collected by Hubbard and Schwarz, at

Detroit, Mich., and now in the United States National Museum col-

lection. Since the type of this species has been lost, I am designating

the male from which the above description was made as the neotype.
Type locality.—Indiana (Posey County).

DISTRIBUTION
Material examined:

ALABAMA: Hazen, April 25, 1923 (L. B. Woodruff).

CanaDA: Ottawa, July 1 (———). Prince Edward County, August 1, 1920
(Brimley ).

Inztinois: No definite locality.

INDIANA: Lafayette, June 16 (——).

MASSACHUSETTS: Lenox ( ).

MIcHIGAN: Detroit, June; Grand Ledge (Hubbard and Schwarz).

New York: Olcott, June-August (H. Dietrich). Fishkill, July 7, 1916 (BH. R.
Kalmback).

PENNSYLVANIA: Jeannette, June (H. G. Klages). Hummelstown, June 17;
Charter Oak, June 22 (J. N. Knull).

VERMONT: Bennington County (——).
It has been recorded from Ohio, but no specimens have been examined from
that State.

Variations.—The color is rather constant, but some examples are
slightly more cupreous than others. In some specimens the pronotum
is widest at the middle, and the sides are regularly, arcuately
rounded, whereas in others, the sides are nearly parallel to each other
from the apical angles to basal third, then obliquely narrowed to the
posterior angles. The discal costae on the elytra vary considerably
in distinctness, and are sometimes nearly absent. In the neotype
there are two small round depressions placed transversely at middle
of pronotum, which are not mentioned in the above description, as
they are probably abnormal and were not seen on any of the other
specimens. Length, 3.5 to 4.5 millimeters.

Host.—The larval habits of this species are not known, but the
adults have been collected in numbers by L. B. Woodruff in Alabama,
on sugar maple (Acer saccharwm. Marshall).

118. AGRILUS OBLONGUS, new species
Figure 93

Male.—¥orm small, strongly elongate, slightly flattened above, and
feebly shining; head bright green in front, becoming bronzy green
on the occiput; pronotum bronzy green; elytra piceous; beneath

334 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

bronzy green, with a slight cupreous tinge, and more shining than
above.

Head with the front rather wide, nearly flat, about equal in width
at top and bottom, the sides broadly, arcuately expanded above the
middle, and without a median depression; surface densely, finely
granulose, more or less rugose, and with only a few indistinct hairs
behind the epistoma; epistoma slightly transverse between the an-
tennae, broadly, deeply, arcuately emarginate in front, and the
clypeal suture indistinct; antennae extending to middle of pronotum,
serrate from the fifth joint, and the outer joints as wide as long;
eyes large, broadly oval, and about equally rounded above and
beneath.

Pronotum slightly wider than long, wider at apex than base, and
widest near apical third; sides feebly, arcuately rounded from apical
angles to behind middle, then obliquely narrowed to the posterior
angles, which are rectangular; when viewed from the side the mar-
ginal and submarginal carinae are slightly sinuate, narrowly sepa-
rated anteriorly, and connected to each other at base; anterior margin
strongly sinuate, and the median lobe broadly rounded; base slightly
emarginate at middle of each elytron, and the median lobe broadly
rounded and feebly produced; disk moderately convex, broadly,
transversely concave posteriorly, the concavity extending forward
along the lateral margins, but without median depressions or pre-
humeral carinae; surface finely, transversely rugose, finely, sparsely
punctate between the rugae, and without distinct pubescence. Scu-
tellum strongly, transversely carinate, and the surface finely, densely
reticulate.

Elytra slightly wider than pronotum at base, and equal in width
at base and apical third; sides feebly expanded for a short distance
behind base, broadly constricted in front of middle, broadly, ar-
cuately expanded behind the middle, then obliquely narrowed to
the tips, which are separately, rather broadly rounded, and strongly
serrulate; sides of abdomen narrowly exposed above; disk slightly
flattened, feebly, broadly depressed along the sutural margins, which
are slightly elevated posteriorly, and with broad, moderately deep
basal depressions; surface finely, densely imbricate-punctate, and
nearly glabrous.

Abdomen beneath finely, sparsely punctate, the punctures con-
nected transversely by sinuate lines, which are coarser on the basal
segment, and sparsely clothed with inconspicuous hairs; first segment
vaguely flattened at middle; vertical portions of segments not con-
spicuously pubescent; pygidium without a projecting carina. Pro-
sternum finely, sparsely punctate, and sparsely clothed with short,
recumbent, whitish hairs; prosternal lobe broad, feebly declivous,
and broadly rounded in front; prosternal process rather broad, the

NORTH AMERICAN BUPRESTID BEETLES 335

sides slightly expanded behind the coxal cavities, then abruptly nar-
rowed to the apex, which is acute. Posterior coxae with the posterior
margin nearly transversely truncate, the exterior angle rectangular,
and not prolonged. Tibiae slender, straight, and the anterior and
middle pairs with a small tooth on inner margin at apex. Posterior
tarsi slightly shorter than the tibiae, and the first joint as long as
the following three joints united. Tarsal claws similar on all feet,
cleft near the middle, the inner tooth broad, much shorter than the
outer one, and not turned inward.

Length, 4.75 mm.; width, 1.125 mm.

Female—Unknown.

Type locality —Chesapeake Beach, Md.

Other locality.—Chain Bridge, Va.

Type and paratypes —Cat. No. 41017, U.S.N.M.

Described from three males (one type). Type and one paratype
collected at the type locality, July 12, 1918, by Joseph Wrenn and
H. S. Barber, and the other paratype collected at Chain Bridge, Va.,
June 5, 1920, by J. C. Bridwell.

This species is closely allied to putillus Say, but differs from that
species in being more elongate and subcylindrical, the eyes broadly
rounded beneath, and the prosternal lobe broadly rounded in front.

119. AGRILUS PRAEPOLITUS Wickham

Agrilus praepolitus WicKHAM, Bull. Mus. Comp. Zo6l., vol. 58, 1914, pp.
449-443 pl. 3, fig. 7.

This fossil species was described from a small specimem collected
in the Miocene shales at Florissant, Colo., and so far is the only
fossil form of this genus recorded from North America. Wickham
states that in comparing it with Agrilus politus, the two forms are
so nearly identical, that they can only be separated with difficulty.
It is just possible that Agrilus praepolitus infested the willows of
the ancient lake shore. Type No. 2485 in the Museum of Compara-
tive Zoélogy (No. 5359, Scudder Collection).

AGRILUS VIRIDIFRONS LeConte

Agrilus viridifrons PROvVANCHER, Petite Faune Entomologique da Canada,
vol. 1, 1877, Les Coleopteres, p. 360.

This species belongs to the genus Anthawxia, but Provancher has
erroneously placed it in the genus Agrilus in the paper listed above.

AGRILUS FULGIDICOLLIS Dejean

Agrilus fulgidicollis DrsEAN, Cat. Coleopt., ed. 2, 1833, p. 82; ed. 38, 1837,

p. 93.
This species was listed by Dejean in his Catalogue from North
America, without giving any description, but Kerremans‘ places it

7 Mem. Soc. Ent. Belg., No. 1, 1892, p. 275.

336 BULLETIN 145, UNITED STATES NATIONAL MUSEUM

as a synonym of thoracicus described by Castelnau and Gory * from
Chile. This species is unknown to the writer, and if Kerremans’s
opinion is correct the specimen in the Dejean collection is probably
erroneously labeled as to locality.

AGRILUS UMBRATUS Harold

Agrilus umbratus Haroitp, Coleopt. Heft, vol. 5, 1869, p. 124 (new name
for tenuis Gory).—GEMMINGER and HARoLp, Cat. Coleopterorum, vol. 5,
1869, p. 1446.—KrrrEMANS, Mem. Soc. Ent. Belg., no. 1, 1892, p. 276;
Wytsman’s Gen. Insectorum, fase. 12, pt. 4, 1908, p. 268.—CHAMBERLIN
Cat. Buprestidae, 1926, p. 84.

Agrilus tenuis Gory (not Ratzeburg), Mon. Bupr. Suppl., vol. 4, 1841,
p. 266, pl. 44, fig. 260 (name preoccupied).

This species should not be included in our North American lists.
Agrilus tenuis was described by Gory (1841) from South America,
but since this name was preoccupied, Harold (1869) renamed it
umbratus. Kerremans (1892) records the locality as South America,
but in his Genera Insectorum (1903) gives the United States as the
only locality, which is without any doubt a typographical error.

AGRILUS SUBALTEATA LeConte
Agrilus subalteata (LeConte) CHAMBERLIN, Cat. Buprestidae, 1926, p. 82.

Chamberlin includes this species among the Agrilus in the above
catalogue, which is an error, as it was described from Cape San
Lucas, Lower California, and belongs to the genus Acmaeodera.

AGRILUS 14-SPILOTA Obenberger

Agrilus 14-spilota (Obenberger) CHAMBERLIN, Cat. Buprestidae, 1926, p. 79.

Chamberlin also includes this species among the Agrilus, which
is an error. It was described from North America, but belongs to
the genus Acmaeodera.

8 Mon. Bupr., vol. 2, 1837, Agrilus pp. 58-59, pl. 13, fig. 76.

NORTH AMERICAN BUPRESTID BEETLES got

EXPLANATION OF PLATHS

The drawings accompanying this paper were made under the author’s super-
vision by Miss Eleanor T. Armstrong, of the Bureau of Entomology. The draw-
ings of the male genitalia were all made to the same scale,

a=dorsal view of the male genitalia.

b=ventral view of the male genitalia.

PLATE 1

Fic. 1. Agrilus ferrisi Dury.

2. Agrilus subtropicus Schaeffer.
3. Agrilus champlaini Frost.

4, Agrilus ruficollis (Fabricius).
5._Agrilus lateralis (Say).

6. Agrilus obtusus Horn.

7. Agrilus difficilis Gory.

8. Agrilus cupricollis Gory.

9. Agrilus fuscipennis Gory.

PLATE 2

Fie. 10. Agrilus angelicus Horn.
11. Agrilus masculinus Horn.
12. Agrilus paramasculinus Champlain and Knull.
13. Agrilus arcuatus (Say).
14. Agrilus crinicornis Horn.
15. Agrilus defectus LeConte.
16. Agrilus geminatus (Say).
17. Agrilus otiosus Say.
18. Agrilus atricornis Fisher.

PLATE 3

Fie. 19. Agrilus transimpressus Fall.
20. Agrilus frosti Knull.
21. Agrilus juglandis Knull.
22. Agrilus macer LeConte.
23. Agrilus pulchellus Bland.
24, Agrilus vittaticollis Randall,
25. Agrilus benjamim Fisher.
26. Agrilus audaxv Horn.
27. Agrilus bilineatus (Weber).

338

Fig. 28.

Fic.

29.

30.

31.
32.

33.

34.

35.

36.

46.
47,
48.
49,
50.
Bile
52)
58.
. Agrilus coeruleus (Rossi).

5D.
56.
aC
58.
59.
. Agrilus chiricahuae Fisher.
61.
62.
63.

BULLETIN 145, UNITED STATES NATIONAL MUSEUM

PLATE 4

Agrilus quercicola Fisher.
Agrilus criddlei Frost.

Agrilus acutipennis Mannerheim.
Agrilus quadriguttatus Gory.
Agrilus niveiventris Horn.
Agrilus fulminans Fisher.
Agrilus populi Fisher.

Agrilus anzius Gory.

Agrilus cavatus Chevrolat.

PLATE 5

. Agrilus aureus Chevrolat.

. Agrilus concinnus Horn.

. Agrilus walsinghami Crotch.

. Agrilus restrictus Waterhouse.
. Agrilus costipennis Fisher.

. Agrilus baboquivariae Fisher.
. Agrilus huachucae Schaeffer.

. Agrilus obolinus LeConte.

. Agrilus fallax Say.

PLATE 6

Agrilus scitulus Horn.

Agrilus obsoletoguttatus Gory.
Agrilus lautuellus Fisher.
Agrilus ornatulus Horn.
Agrilus dozieri Fisher.
Agrilus fagi (Ratzeburg).
Agrilus politus (Say).
Agrilus sinuatus (Olivier).

PLATE 7

Agrilus cratdegi Frost.

Agrilus cephalicus LeConte.

Agrilus strigicollis Fall.

Agrilus gibbicellis Fall.

Agrilus olentangyi Champlain and Knull.

Agrilus aeneocephalus Fisher.
Agrilus malvastri Fisher.
Agrilus falli Fisher.

Fie.

Fig.

Fic.

64.
65.
66.
67.
68.
69.
70.
7A.
G2.

82.
83.
84,
85.
86.
87.

88.
89.
90.
91,
. Agrilus putillus Say.
98.

NORTH AMERICAN BUPRESTID BEETLES

PLATE 8

Agrilus illectus Fall.
Agrilus feliz Horn.

Agrilus jacobinus Horn.
Agrilus impexus Horn.
Agrilus cupreonitens Fisher.
Agrilus quercus Schaeffer.
Agrilus palmacollis Horn.
Agrilus prosopidis Fisher.
Agrilus exiguellus Fisher.

PLatp 9

. Agrilus acaciae Fisher.
74.
wo:
76.
Tile
78.
79.
80.
81.

Agrilus abductus Horn.

Agrilus pseudofallaxr Frost.

Agrilus egeniformis Champlain and Knull.
Agrilus dolli Schaeffer.

Agrilus lecontei Saunders.

Agrilus abjectus Horn.

Agrilus blandus Horn.

Agrilus subcinctus Gory.

PLATE 10

Agrilus muticus LeConte.
Agrilus lacustris LeConte.
Agrilus imbellis Crotch.
Agrilus barberi Fisher.
Agrilus abditus Horn.
Agrilus pusillus (Say).

PLATE 11

Agrilus eleanorae Fisher,
Agrilus celti Knull.
Agrilus egenus Gory.
Agrilus abstersus Horn.

Agrilus oblongus Fisher.

339

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INDEX

This index includes all genera, species, subspecies, and varieties of insects referred to in this paper.

The

references to the descriptions appear in boldface type, valid names in roman, and synonyms initalics. The

generic name associated with species and varietal names is given in brackets.
plants mentioned in this paper are indexed separately.

Page
abditus Horn [Agrilus]__.._.._.._.. 17, 253, 255, 313
abductus Horn [Agrilus]_.-..--..-_..-__ 16, 279, 281
abjectus Horn [Agrilus]__--.___- 16, 267, 270, 295, 299
abstersus Horn [Agrilus]_..--..----.---.--.- 17, 329
acaciae new species [Agrilus]......__...____- 16, 279
Acmaeodera Eschscholtz_-___..-.-___-.--__ 182, 336
quatuordecim-spilota Obenberger_-____-_- 336
subalteata LeConte-_---_...-...-.-.--_.-- 336
acutipennis Mannerheim [Agrilus]__.______ 11, 120,
122, 124, 126, 127, 131, 133, 134, 135, 221, 224
addendus Crotch [Agrilus]______ 15, 267, 284, 287, 297
advena LeConte [{Agrilus]__._-__.____-_-____. 308
aeneocephalus new species [Agrilus]_____ 14, 15, 245
iG REDUNG. oot ee oe ks ere ed 2
agriloides Crotch [Taphrocerus]-_-_--._.___- 190, 331
Agrilus Curtis. 2,7, 34, 50, 64, 75, 104, 118, 219, 221, 229
Sbditus, Horn: = 2212 ae 17, 253, 255, 313
abductus' Horn: =. --- eer ates 16, 279, 281
abjectus Horn_-_____-_____-- 16, 267, 270, 295, 299
SpsStersus Horm =. 2.242624 35 yee 17, 329
acaciae new species____.._.__-..-_-.-.__ 16, 279
acutipennis Mannerheim________________ 11,
120, 122, 124, 126, 127, 131, 133, 134, 135, 221, 224
addendus Crotch___._.-___- 15, 267, 284, 287, 297
advena.GeContet D2: e 320 ee se seeaes 308
aeneocephalus new species_______.._- 14, 15, 245
albocomus new species-______._....-.-_-_ 9, 59
slens<Gory: 325.2 SF a5 nc ore he 141
amabilus Castelnau and Gory -__--__-- 224, 226
angelicus Horn. -_....-..-..- 9, 13, 52, 53, 67, 214
anxins! Gory 220 oe aes 12, 114,
124, 138, 153, 154, 155, 156, 157, 158, 160, 221, 224
arbutinew species. —.......-. sf) s2L.2 9, 13, 50
ARCHALISH( SRY) 5 oenk Jo Se ee 7, 9, 42
44, 53, 56, 59, 60, 61, 63, 68, 69, 70, 71, 72, 164, 214
CSA OCULIN 2 2) ees ka See hl 79
toms lanchard 22> - =. 22 eaeares Sci 160
atricornis new species___..__.._-_-.---_-_ 9, 86
sudax: Horas 88! sos See 10, 107, 109, 209
ureus:Chevrolat... 2. 22ers teach 12, 168
a@uricomus: Frost. .—--23..-=-.. 2723 ee 11, 130
auroguttatus Schaeffer___..._.___--_-___ 11, 135
murolineoiis Gory s- >. sea Ef tee 116, 118
azureus Knull (variety of bilineatus
Wikeber)t 20-3: 2. 2 teprlone 4. ty ht bets 119
baboquivariae new species___--_--_- 12, 184, 193
barberil new species... se. ue! ceset ce 17, 311
benjamini new species____---_------ 10, 107, 111
betulae new species__......-.----.------ 11, 153
bintittatus Gory. .J22: <b Ab eae eee 141

2305—28——23

The names of the host

Page
Agrilus Curtis bilineatus (Weber).._____- 10, 113,
119, 162, 207
Giwiltatis Kirpyee 2) => oo: ee at 116, 118
ianohordivtHorm =< 522. S320) 3 158, 159, 160
blandussHorn sce sei es es ae 16, 297
burkei Fisher (subspecies of politus
Pot) (SSE Se eer eee eae re) een Ue 218, 219
canadensis Obenberger.-....-. 214,216, 217, 219
carpini Knull (subspecies of bilineatus
NVVTGiy) sae es a wa se 10, 115, 118, 119
cavatus Chevrolat: -. 2-2 eek 12, 166, 178
coli iknul == ane oo 17, 317, 320, 322, 325, 329
celticola (new subspecies of lecontei
Saunders) tees. sees ee --- 16,294
cephalicus:leConte-2-> =. . | 22 14, 82, 229
champlaini Hrost:_ 2-4! de se ae 8, 27, 82
chiricahuae new species__....--_-.-- 14, 243, 320
ghryseis: Curtis: 23 2-2 2B ee 220, 223
COSLUIGUS\(ECOSSI)= see. ee ase 13, 224
communis Obenberger_.-......._-------- 209
COncinnyIS Orn: 2 ee 12, 168, 171, 175
corulikHorn.~ 2. -5 <2 ble 64, 68, 71, 218
corylicola, new name s-2. 4-2-6 eae 71

corylus Gibson (variety of politus Say)_ 214, 218
costipennis new species. 12, 182, 184, 186, 190, 193

couesis LeContes so! 222 eee 169, 170, 174
Grataegi Prost 22: 22 es ee FE oe 13, 226
eriddlei:Frost.2- 2 ee ae 10, 122, 126
crinicornis Horm=22> 33).ee ss ee 9, 72
CUNEUS Le COMGs 22-28 eee 305, 307, 308
cupreolus LeConte__-.._.._--.---- 214, 216, 217
cupreomaculatus Dugés-___._._-.-.------ 8, 44
cupreonitens new species -_-..-_------ 15, 16, 265
cupricollis:Gory~ =-2-=-t-.--—2 8, 42, 63, 64, 66, 67
cyanescens (Ratzeburg) ---------------- 224, 226
cyaneus Castlenau and Gory_-_-------- 224, 226
defects ueConte:. == 2... east see. 9, 75, 82
desertus DeConte'-....-.. =... <-s ae 214, 216, 217
difficilisiGorye: ofetes.8b~ i 2t-se=------ 8, 9, 39
dolhSchaeffer. : 2222-5 oes eae 16, 289
dozieri Fisher....-s2-4-.e-cs essesaces 13, 207
egeniformis Champlain and Knull__----- 16,
262, 267, 284, 286

epenus Gory s-22-5.22 5 Se ee ae 7, 17, 82,
97, 98, 213, 231, 232, 287, 311, 313, 320, 322, 325
eleanorae new species_.....------.------ 17, 320
exiguellus new species -_..--.-.....----- 15, 277
fag (Ratveburg) =--~=--2ees< se 2 mee, 13, 209, 214
fille ay eee gn so 13, 193, 196, 199, 284, 286
fallimew-species:: 226 22e 222 se... 14, 249

341

342 INDEX

Page Page
Agrilus Curtis telixil orn) soe) sca 15, 255 | Agrilus Curtis praepolitus Wickham ______-- 335
LOEDISI ODS V oie een ee ee ee 8, 18 prosopidis new species_.._._...__--_ 15, 274, 275
flavolineatus Dejean__.............-.=-- 113, 118 pseudocoryli new subspecies of politus
Horidanus; Crotch =e eee 15, 260 Saye 2.56253. eee eee 71, 72, 214, 218
renaurs Dejean 02 ee eee 104 pseudofallax Frost__ 16, 262, 265, 267, 269, 284, 289
frost] PRG eee tes ee eee 10, 82, 90, 96 pubescens new species____........---__- 17, 315
fulgens LeConte (subspecies of arcuatus pubifrons new species._..._.....--_--._- 14, 237
Say ee wea eee eS ee 64, 66, 68, 71 pubiventris: Crotch--—-. 22 222 305, 307, 308
fulgidicolis!Pejeans. 2222202. eee 335 pulchellusiBiand ese a eee ee 3,
fulminans new species-_-__...._.._.- 11, 148, 153 6, 10, 12, 101, 179, 180
fuseipennis) Goryeo ts 8, 44, 46, 107 puncticeps LeConte <3 2 oo oc one ee 10, 96
geminatus;(Say)e. shh 9, 78 posts (9 py) ies seek ea i 17, 317, 320
BEDDICONIS Malla te oye ee eee 14, 16, 234 UGS Baie ae te eer 18, 331, 335
granulatus (Say)___ 11, 111, 113, 138, 142, 144, 145 quadriguttatus Gory--.---._..-- 11, 138, 140, 141
gravis stie@ontese 22 see ae 162, 164, 165, 166 quadriimpressus Ziegler _-.. 11, 120, 124, 132, 133
hori Kerremans’ 2. 2-tssreies res 12, 158 quatuordecim-spilota (14-spilota) Oben-
huachucae Schaeffer___.........-...--.- 12, 186 berger. 2.2. So. ere eee ss 336
iNecotussPall-s-2:5-22-2 222-282 15, 251, 255 quercicola new species--_-_.______ 10, 120, 127, 130
imbellis Croteh__...-.-_.-_- 17, 307, 308, 313, 315 quercus Schaeffer_._......_...___ 15, 16, 270, 284
impexus Horn_- 15, 262, 265, 269, 270, 284, 287, 297 restrictus Waterhouse-...___.___._- 12, 173, 188
impressipennis Uhler_.....-.-.-------- 194, 196 rubicola Abeille (aberration of communis
ineptus HOM =-===5-22s2-222+sc8--e tS 178 Obenhberger) 2-2 Siar Ie absent: 209
inhabilis Kerremans_--_______-___-___-- 12, 178 rubrovittatus (Waterhouse) --.._________ 3
interruptus LeConte_-__________-._- 199, 201, 202 ruficollis (Fabricius) __ 8, 29, 34, 37, 42, 44, 318, 320
jacobinus Horn____-__------ 15, 251, 253, 257, 258 $ayi Daynderse ff Shee ee ee ee 34
juglandis Knull...2.- 322522 10, 93, 97, 98 Scittilus| Horm... eae ae 13, 196
Rnausi Schaeffer > ---2<-250225222 2222.2 190, 192 sierrae-Van Dyke... 222 vat 15, 17, 253, 315
lacustris LeConte___- 17, 78, 234, 241, 305, 310, 311 sinuatus (Olivier) _.....__.._._._ 13, 127, 160, 220
latebrus Castelnau and Gory_____------ 127, 129 snowilMalleae 2 fe Se ca eae 12, 180
lateralis-(Say) 225-252 22 ok ee 8, 34 eolitarius;sHarold:tere ee) i eee 214
lautuellus new species. -___._______- 13, 202, 207 strigicollis Fall. 2:22.) 2-50 5 eye ee 14, 232
lecontei Saunders___-_-_- 15, 16, 272, 284, 289, 291 sudacrarus Parris, 2.2-—!_.- sas ee 199, 202
fucanus: Falls. ssa. ee) NS 8, 25 subalteata LeConte__...-_. 222 ses 336
macer 6 Conte: 22-222. 2. 0e se ee 10, 98 subcinctus Gory... 2.2.2 __- eee 16, 299
malvastri new species___.......--------- 14, 247 subfasciatus LeConte____..-...---- 291, 293, 294
masculinus Horn-------..---.---- 9, 56, 61, 63, 94 subtropicus Schaeffer ............----- 8, 22, 26
mercurius Wickham.--_--.---------- 234, 236, 237 sulcaticeps\.Abeilles2tes28: be _sweraas 224, 226
mimosae new species. -.-.....------------ 14, 241 tenvis; Goryeciste! 22e Pet Sek Ser ete 336
muticus MeContes 222s s 2 ees es 16, 302 tezanus Crotch:.------- eee ee 166, 168
nevadensis Horn. --_-_-_.------------ 8, 10, 11, 20 thoracicus Castelnau and Gory__-----_-- 336
nigricans Dejean_....-=---------.-- 199, 201, 202 torpidus LeConte__-_-_-.-.----.- 162, 164, 165, 166
niveiventris Horn__ 11, 145, 148, 149, 150, 153, 214 torquatus LeConte (subspecies of arcu-
obliquus LeConte----.---------- 64, 66, 68, 69, 70 atus'Say) i222 5 seee eee 64, 66, 68, 69
oblongus new species- -.---.------------ 18, 333 townsend Mallos: 2252 Siete) eee 9, 18, 48
obolinus Le Conte:.:-=- =.=: 222285 St 12, 190 transimpressus. Fall----_. .eeeek Sean 9, 88
obsoletoguttatus Gory_-.-.---------- 13, 196, 199 trivittatus Hom: =.=. 25. e eee 116
obtusus Horn:.-4 22 4!0-. Ses ies 8, 37 ‘ambratus!Marold?.22) e+ tee sei <e 336
occidentalis |U nler 222205, us eee 39, 41 ventralis: Horn: 2--- = eee eee ee 12, 188
olentangyi Champlain and Knull____---- 14, virengiGoryc 3 ee ees 82
17, 239, 317 virescens, Dejeane.24_ i) 28 O88) es bee 81
olivaceoniger new species---.--- 11, 124, 127, 133 viridifrons:LeConte-.....-- 26282 2240.588 335
ornatwlus Horm: -22-2252-22 ess 13, 202, 204, 205 viridis binnaeus-.2-22--- =. eee 2, 209, 210, 212
otiosus Say2-<---s-=-. <= 7, 9, 27, 56, 75, 78, 79, 81, vittaticollis (Randall)_.......-..--.---.- 10,
88, 91, 93, 96, 98, 229, 232, 320, 325, 326, 329 104, 107, 109, 111, 207, 209
palmacollis Horm:=<222+2-=-522--22=— 15, 272, 277 walsinghami Crotch---__.._- 12, 175, 176, 182, 184
palmaticollis Kerremans--.--------------- 272 zemes GOLy... 222.252.5422: See eee 194, 196
paramasculinus Champlain and Knull___ 9,61 | albocomus new species (Agrilus]-..-_.------- 9, 59
MUrUs SAUNGEIS. 52.2 s2-2 0 esse as- == 318, 320 | ‘aleus Gory. [Agrilus)_ ---.2---2222! sSeccare 141
penstis Morn: 22-235. 7-.f 11,155 | amabilis Castelnau and Gory [Agrilus]_... 224, 226
perlucidus| Gorys2 22s st eee cE eee 171 | angelicus Horn [Agrilus]___._.-.- 9, 13, 52, 53, 67, 214
pilosicollis new species__....--.--------- 10,111 | Anthaxia Eschscholtz__....-.--..-...2..-.- 190, 335
pinalicus Wickham...__.-..----------- 101, 103 viridifrons. LeConte: eluate ase ee 335
plumbeus LeConte_-_..------------ 214, 216,217 | anxius Gory [Agrilus]_.-.....-.----.-- 12, 114, 124,
politus! (Say) 2 7, 13, 53, 56, 72, 145, 138, 153, 154, 155, 156, 157, 158, 160, 221, 224
193, 210, 212, 213, 218, 219, 226, 227, 326,335 | arbuti new species [Agrilus]_..-.....------- 9, 13, 50

populi new species___-...-.-- 11, 22, 145, 148, 150 | arcuata Say [Buprestis]......-.-...---.------ 63

INDEX 343
Page Page
arcuatus (Say) [Agrilus].-_..-._..___- 7,9, 42, 44, | criddlei Frost [Agrilus]---....-..--.-.-- 10, 122, 126
53, 56, 59, 60, 61, 63, 68, 69, 70, 71, 72, 164, 214 | crinicornis Horn [Agrilus]_----.-.--.-------- 9, 72
assimilis Sturm [Agrilus]_...-..----..-----.-- 79 | cuneus LeConte [Agrilus]_----_- ee re 305, 307, 308
ater Blanchard [Agrilus]___._._.....------__- 160 | cupreolus LeConte [Agrilus]--.-------- 214, 216, 217
atricornis new species [Agrilus}----..-_------ 9,86 | cupreomaculatus Dugés [Agrilus}_--.-------- 8, 44
audax Horn [Agrilus].___._-_.---_--- 10, 107, 109,209 | cupreonitens new species [Agrilus] --_---- 15, 16, 265
aureus Chevrolat [Agrilus]--..-.-.----.-.- 12,168 | cupricollis Gory. [Agrilus]_-------- 8, 42, 63, 64, 66, 67
auricomus Frost [Agrilus]_--..___.___-_____ 11,130 | cyanescens (Ratzeburg) [Agrilus]__--------- 224, 226
auroguttatus Schaeffer [Agrilus]_.-.-_..-__- 11,135 | cyanescens Ratzeburg [Buprestis]------------ 224
aurolineatus Gory [Agrilus]_._.....-_.___.- 116,118 | cyaneus Castelnau and Gory [Agrilus] - ---- 224, 226
azureus Knull [Agrilus] (variety of bilineatus defectus LeConte [Agrilus] - -.._--.-------- 9, 75, 82
Weber) < 22-5 eee es torte aiee ete! 119 | desertus LeConte [Agrilus]___-...------ 214, 216, 217
baboquivariae new species [Agrilus]__-_ 12, 184,193 | difficilis Gory [Agrilus]----_.----.---------- 8, 9, 39
barberi new species [Agrilus]-----_.-_-_-_-- 17,311 | dolli Schaeffer [Agrilus]_.-.-_--------------- 16, 289
benjamini new species [Agrilus]------__ 10,107,111 | dozieri Fisher [Agrilus]----_---------------- 13, 207
betulae new species [Agrilus]_----.___..--_- 11,153 | egeniformis Champlain and Knull [Agrilus]_ 16,
biguttatus Gory [Agrilus]_--.--:..2._ 2 /-_2. 141 262, 267, 284, 286
bilineata Weber |Buprestis}___-________.____ 113 | egenus Gory [Agrilus]_----..-------------- 7,17, 82,
bilineatus (Weber) [Agrilus]____ 10, £13, 119, 162, 207 3 97, 98, 218, 231, 232, 287, 311, 313, 320, 322, 325
bivittatus Kirby [Agrilus]_-.--...-.-_-__-_- TresPst |! Welateridae:_. =. 2. ---tersisadt set: eect tees 7
blanchardi Horn [Agrilus]______-_-____- 158, 159, 160 | eleanorae new species [Agrilus]_.....-.-.---- 17, 320
blandus Horn-[Agrilus]-----2:-.2.2222-2-- 16,297 | Engyaulus Waterhouse ----------.------- 3, 104, 180
Bronze birel borer o—- 224. os SSeS 165 pulchellus: Gland)! G1. ses ei sct Sas 3, 101.
Buprestidae s=-=-=2=-=2=-=22s-s55221 tee 2, 7, 210 rubrovittatus Waterhouse -------- 2 eee 3
Buprestis. Linnaeus. .—. 2122s Bees 2S 2,3, | exiguellus new species [Agrilus]-----.------- 15, 277
29, 34, 63, 78, 104, 113, 138, 209, 213, 226, 224, 317 | fagi (Ratzeburg) [Agrilus]__------------ 13, 209, 214
apcuatai Saye. 35-2. AL eee Bae 63 | fagi Ratzeburg [Buprestis]___-.---_---.------ 209
bilineata, Weber. 222.203 2s aes 22 Bin 113 | fallax Say [Agrilus]--_-_-.-- 13, 193, 196, 199, 284, 286
coeruleus -Rossi-—-= 2.222 tees SSS 224 | falli new species [Agrilus]___---.------------ 14, 249
cyanescens Ratzeburg__--_-- a Aufee te 4: STE 20% | felix Horn [Agrilus]: sees aise Se 15, 255
fal Ratzeburg... veosbeen- eee oie 209) ferrisimDury: [A grilus]=__ 2223s: Peer ee 8, 18
geminata Says. ees ees ell Bae 78 | flavolineatus Dejean [Agrilus] -------------- 113, 118
prantilata, Says) ei yore eS aes Rarer 3,138 | floridanus Croteh [Agrilus] ----------------- 15, 260
iInnUbs, a abriciis. 25.25 he Ree 3 | frenatus Dejean [Agrilus]__-----.------------ 104
HALGMA UST SVs so) 2 so sok aes eS 34 | frostiKaull [Agrilus}_-_..22252s 25 2842 10, 82, 90, 96
MolkwanSays 2s 52 b> 213 | fulgens LeConte (subspecies of arcuatus Say)
DUSilasaye <2 25= = a. See ee ee 317 WWeritlus]is.. 22s). = 2 eae te 64, 66, 68, 71
Buficollis Habricius.—_- - 22 Se sees eee 3,29 | fulgidicollis Dejean [Agrilus]_-----.---------- 335
sinuata Olivier --—-. 222826 e. Sete e 8 220 | fulminans new species [Agrilus]_-------- 11, 148, 153
Vinidis Joinniacusss > fee Siesta 2, 78, 81,209 | fuscipennis Gory [Agrilus]----.--.------ 8, 44, 46, 107
Vittaticollis Randall weo2es 2° sine Iy.2 22 104 | geminata Say [Buprestis]_------------------- 7.
burkei Fisher (subspecies ef politus Say) geminatus (Say) [Agrilus]__--=--------+------ 9, 78
PAonitis] Esk 58 Se So = eS 218, 219 | gibbicollis Fall [Agrilus]--.-------------- 14, 16, 234
canadensis Obenberger [Agrilus]___ 214, 216, 217,219 | granulata Say [Buprestis]_------------------- 3, 188
carpini Knull (subspecies of bilineatus Weber) granulata: (Say): [Teresii2s2 2 see -S-==ee 188
Aeris). cca 25 se oe 10, 115, 118,119 | granulatus (Say) [Agrilus]-_ ----------------- 11,
cavatus Chevrolat [Agrilus]_-..--_____- 12, 166, 178 1H1, 113, 138, 142, 144, 145
eelti Knull [Agrilus]________ 17, 317, 320, 322, 325, 329 | gravis LeConte [Agrilus]----------- 162, 164, 165, 166
celticola new subspecies of lecontei Saunders horni Kerremans [Agrilus]_-_-_-------------- 12, 158
POA H 1S eeepc ee rere 16, 294 | huachucae Schaeffer [Agrilus]_-_------------ 12, 186
cephalicus LeConte [Agrilus]___________- 14, 82, 229 | illectus Fall [Agrilus]___---------------- 15, 251, 255
champlaini Frost [Agrilus]_____._._______- 8, 27,82 | imbellis Crotch [Agrilus]------- 17, 307, 308, 313, 315
chiricahuae new species [Agrilus]- -____- 14, 243,520 | impexus Horn [Agrilus]--------------------- 15,
Chpfsetsi Uris AGEs |: = eae eee S 220, 223 262, 265, 269, 270, 284, 287, 297
coeruleus (Rossi) [Agrilus]__._.....--_---__- 13, 224 | impressipennis Ubler [Agrilus}------------- 194, 196
coeruleus Rossi [Buprestis]_---..._-.-.------ 224 || ineptus Horn [Agrilus]__.-.:------=---------- 178
communis Obenberger [Agrilus}]__-____-___-- 209 | inhabilis Kerremans [Agrilus]-- ------------ 12, 178
concinnus Horn [Agrilus]-___-_-_---- 12, 168, 171,175 | innuba Fabricius [Buprestis] - --------------- 3
coryli Horn [Agrilus]_____.-_.-.---_-- 64, 68, 71,218 | interrwptus LeConte [Agrilus]---------- 199, 201, 202
corylicola. new name__.-_...----.-2.------- 71 | jacobinus Horn [Agrilusj_____--- 15, 251, 253, 257, 258
corylus Gibson (variety of politus Say) juglandis Knull [Agrilus]--_------------ 10, 93, 97, 98
[Gras eo Sc Pp er ek 214,218 | knausi Schaeffer [Agrilus]____-_------------ 190, 192
costipennis new species [Agrilus]_-__---___-- 12, | lacustris LeConte [Agrilus]-_----------------- 17,
182, 184, 186, 190, 193 78, 234, 241, 305, 310, 311
couesii LeConte [Agrilus]_-.________--- 169, 170,171 | latebrus Castelnau and Gory [Agrilus]------ 127, 129
eratacriyMrostiPAerilus].---s--<2-2---e--2 2 13, 226 | lateralis (Say) [Agrilus]_...._...------------- 8,34

344

INDEX
Page Page
lateralis Say [Buprestis]............-...---.. 34 | quadriimpressus Ziegler [Agrilus]..........-. Sik
lautuellus new species [Agrilus]_....-..- 13, 202, 207 120, 124, 132, 133
lecontei Saunders [Agrilus].......-.....------ 15, | quatuordecim-spilota Obenberger (14-spilota)
16, 272, 284, 289, 291 (Aprilus) 2232-5 ake re 336
Lombardy poplar borer..-.....--...-...----- 141 | quercicola new species [Agrilus]-_..-- 10, 120, 127, 130.
lucanus Fall [Agrilus}i=23/.2--.22 235 oe 8,25 | quercus Schaeffer [Agrilus].......... 15, 16, 270, 284
macer LeConte [Agrilus].............-...---- 10,98 | Raspberry gouty gall beetle._.....-......._- 34
malvastri new species [Agrilus}]........._--- 14,247 | Red-necked raspberry cane borer-.......-.-. 34
masculinus Horn [Agrilus]_..-......- 9, 56, 61, 63,94 | restrictus Waterhouse [Agrilus]___...... 12, 173, 188
mercurius Wickham [Agrilus]_.......-.. 234, 236,237 | rubicola Abeille (aberration of communis
mimosae new species [Agrilus]_.........-.-- 14, 241 Obenberger) [Agrilus]_......-.-..........- 209
muticus LeConte [Agrilus]_...............-- 16,302 | rubrovittatus (Waterhouse) [Agrilus]__.___.- 3
nevadensis Horn [Agrilus]............-- 8,10, 11,20 | rubrovittatus Waterhouse [Engyaulus]--____ 3
nigricans Dejean [Agrilus]__......-...-- 199, 201, 202 | ruficollis (Fabricius) [Agrilus].-.........-.-- 8,
niveiventris Horn [Agrilus]_...........------ ll, 29, 34, 37, 42, 44, 318, 320
145, 148, 149, 150, 153,214 | ruficollis Fabricius [Buprestis]_-.........-.-. 3, 29
odliquus LeConte [Agrilus]__.._...-- 64, 66, 68, 69,70 | ruficollis (Fabricius) [Teres]-.-.._..-.-.-.-.-- 29
oblongus new species [Agrilus]_.._..-._...-- 18,333 | sayi Saunders [Agrilus)--.--...-........-.--- 34
obolinus LeConte [Agrilus]_-_...........--- 12,190 | scitulus Horn [Agrilus}...-......-...-----.. 13, 196
obsoletoguttatus Gory [Argilus]__.._._-- 13, 196, 199 | sierrae VanDyke [Agrilus]_.-._.....- 15, 17, 253, 315
obtusus Horn [Agrilus]_--...............-.-- 8,37 | sinuata Olivier [Buprestis].............------ 220
occidentalis Uhler [Agrilus]___......._._-_..--- 39, 41 | Sinuate pear tree borer---_-..-......-...-----. 224
olentangyi Champlain and Knull [Agrilus]__ 14, | sinuatus (Olivier) [Agrilus]_-......- 13, 127, 160, 220
175239: 317, |-snowi all [Agrilus]=—-=--- =: === es 12, 180
olivaceoniger new species [Agrilus]_. 11, 124,127,133 | solitarius Harold [Agrilus]....-..-..--.------ 214
ornatulus Horn [Agrilus]___-......... 13, 202, 204, 205 | strigicollis Fall [Agrilus]-......-...--..----- 14, 232
otiosus Say [Agrilus]_.__._2 2222-22-23. 7, | subaeratus Harris [Agrilus]_........-..----- 199, 202
9, 27, 56, 75, 78, 79, 81, 88, 91, 93, 96, 98, 229, | subalteata LeConte [Agrilus]---..-.--.-_._-- 336
232, 320, 325, 326, 329. subcinctus Gory [Agrilus]_.........-....... 16, 299
Pacific oak twig-girdler_._.........-.-.. exe 56 | subfasciatus LeConte [Agrilus]......... 291, 293, 204
palmacollis Horn [Agrilus]__-...---.--.. 15, 272,277 | subtropicus Schaeffer [Agrilus]_........-.-- 8, 22, 26
palmaticollis Kerremans [Agrilus]-.-...-..--. 272 | sulcaticeps Abeille [Agrilus]_.._.........--- 224, 226
paramasculinus Champlain and Konulil Taphrocerus Solier agriloides Crotch__....- 190, 331
PAgrilus|: 2s. 222 5. 5. Se eeee eepres ak 9:63) | ‘tenuis: Gory [Agrilus]: -=._- -siessoke = sates 336
parcus Saunders [Agrilus]__-.._-._.-.------ SISAS20) ty eres artis ee Se ee 3, 29, 34, 138
pensus:HornifAgrilus)£ 22 ese sie et 11, 155 PIANUlSta Save n ee nea eee ee 38, 138
perlucidus Gory [Agrilus]__.........--.---.-- 171 inn ask a Dri cis sso ts ee 3
pilosicollis new species [Agrilus]_........._-- 10, 111 Tuficolliss Fabricius: ----- Sls eee 3, 29, 34
pinalicus Wickham [Agrilus]_.__...-.------ 101, 103 | tezanus Crotch [Agrilus]...........-.------ 166, 168
plumbeus LeConte [Agrilus].--..-.._-- 214, 216,217 | thoracicus Castelnau and Gory [Agrilus]-___-_ 336
polita Say [Buprestis]..............-.-.---.-- 213 | torpidus LeConte [Agrilus]_..-_____ 162, 164, 165, 166
politus (Say) [Agrilus]___.- 7, 13, 53, 56, 72, 145, 193, | torquatus LeConte (subspecies of arcuatus
210, 212, 213, 218, 219, 226, 227, 326, 335 Saw iiAgrilns}s 4922 2 Ss ee oe 64, 66, 68, 69
populi new species [Agrilus]___.. 11, 22, 145, 148,150 | townsendi Fall [Agrilus]__.___.._._--..-.-- 9, 13, 48
praepolitus Wickham [Agrilus]_--......_-_-- 335 | transimpressus Fall [Agrilus]_._.......------ 9, 88
prosopidis new species [Agrilus]__..-._--- 15, 274, 275 | trivittatus Horn [Agrilus]__.....__....-..------ 116
pseudocoryli new subspecies of politus Say Two lined chestnut borer_-__..--...-.-------- 118
{Agrilus]__--_.---_-- a ceaealaaann 71, 72, 214, 218 | umbratus Harold [Agrilus]-----.-----.------ 336
ee EE Ee Eee ne iss ventralis Horn tAerilus Pena See Te 12, =
pubescens new species [Agrilus]__.___.___.__ 17, 315 ene Gory [Agr he SES CAFE. bicep et eh :
pubifrons new species [Agrilus].-.....___--- 14, 237 am ence up Delean TYE Sh Bete as. a saa NOL ate ae
pubiventris Crotch [Agrilus]__..._.__--- Bie naam ee ne eee se
‘ viridis (Linnaeus) [Agrilus]__...___-- 2, 209, 210, 212
pulchellus Bland [Agrilus]___ 3, 6, 10, 12, 101, 179, 180 Se r ‘
viridis Linnaeus [Buprestis]--.--.-..--- 2, 78, 81, 209
pulchellus (Bland) [Engyaulus]_..-..-..-.--- 3, 101 ie Reps z 10
Gailehinena UACiates 1A gaits aie 10,96 | ¥ ittaticollis (Randall) [Agrilus]-_------------ ,
pusilla Say [Buprestis]_.___..-..-..-----_.-_-- 317 I ete cod all — Lees
pusillus (Say) [Agrilus]_......-...-__--- 17, 317, 320 velo UE Ee a a os Roe ae a ee
putillus Say [Agrilus]......__.___.______ 18, 331,335 | Walsinghami Crotch [Agrilus]___ 12, 175, 176, 182, 184
quadriguttatus Gory [Agrilus]_-__-- 11, 138, 140,141 | zemes Gory [Agrilus]__-.-..----.-.--.--..-- 194, 196

INDEX

INDEX TO THE PLANTS MENTIONED IN THIS PAPER

Page
Acacia farnesiana___..___.._.._ 198, 207, 274, 277, 281
teacia propels 4. gira cout wh aS Ving 317, 331
SA cerispecies sips2 er Bese wy ee den bY 218
Acer ela bran 2): 22k eo eile een ty 217
Acer neégundor 255 ess ee ee 59
Acer pennsylvanicum...__...._-_-__..___.___- 217
Neer Drum = 2 3. 25 de 59
2A Cer: SBCCH AIIM 322s bese Go 333
PAN Or teie tet ws > SS ein 13, 144, 157, 218, 226
Alder, Mountain (Alnus tenuifolia)__.._____- 220
Alder, Oregon (Alnus rubra) -_--._____----__- 152
Alder, Poplar-leaf (Alnus tenuifolia)___..___- 220
Alder, White (Alnus rhombifolia) -_.____.__- 220
MNUS'SPeOCiOSss |e hg hat ae ieee rey AS 144, 218
AODHTAS IN CANS 3G Bers SB ee pe preeh arin FOL oy A 157
Minus Thom pitolig ses 220 a eet ae 220
Wun Trae eee et oes 152
WNiMIsiPenuaIDigs = 285 ae ie lS ee) BE 220
Amelanchier canadensis. _______.__...-.____- 107
“ASTON HAMEOTICOSA o> 2 oa ee 320
Abrryy eam epee ee toe se Sa ae 37, 107
Aerbniusimenziesii =<. 29s) se ep ee eer = 52
Arizona White Oak (Quercus arizonica) -_-_- 284
Arroyo Willow (Salix lasiolepis) ..__..._.._.- 217
Ash-leaved Maple (Acer negundo)-_________-- 59
Ash, Prickly (Xanthoxylum clava-herculis)_ 41, 42
TASDOD 20 cee ee Tee 3 2 ea Cen ha 22, 165

Aspen, Large-tooth (Populus grandidentata)_ 165
Balm-of-Gilead (Populus balsamifera candi-

AFIS ep ot ne ee Se ee ee Ae pe eS 165
Balsam Poplar (Populus balsamifera) - ---__- 165
Bayberry (Myrica carolinensis)__-____._-____ 36, 37
Beech (Fagus grandifolia)...._......--______ 67,

118, 119, 202, 212, 226
Beech, Blue (Carpinus caroliniana)_.-. 119, 202, 209
AR PETIAIS DOCS soe an ee a ee ne oe 129
SBE IaC aA oe ee ee eas Pees noe Ee So 165
Betuladtontigalis: jo Soi os 165
Bt IANENtAtos= 9. <2 one ee 126, 165, 202
BIOLUIA CCR sae. ee a te ed 9 ee oa 165
MOtila Migrant soa ee ela eee See 155
wetola papyriteras: > 2-34 ee 165
BELA; DODUITOMAS == ose =e oe eee 165
Rr Grae eS ES ee 129, 226
Birch, Black (Betula lenta)__-..._..--------- 165
Birch, European White (Betula alba) ---_-_- 165
Birch, Gray (Betula populifolia)_________.___ 165
Birch, Paper (Betula papyrifera) -.___.-_-.-- 165
Birch, Red (Betula fontinalis)_._.__...-.-_-- 165
Birch, River (Betula nigra)__.._...----.----- 155
Birch, Sweet (Betula lenta)-_---__-____ 126, 165, 202
Birch, White (Betula populifolia) -_..-.._._- 165
Birch, Yellow (Betula lutea) -._...._-.--._-- 165
IB ISck DEITY. si =- se ee ee se 33
Black Birch (Betula lenta)--_..-_.---------- 1€5

Black Cottonwood (Populus trichocarpa)___ 22, 152
Black Locust (Robinia pseudoacacia) --_ 17, 196, 328
Black Oak (Quercus velutina)________-- 67, 118, 138
Black Walnut (Juglans nigra)___...____-__-- 9, 90
Blue Beech (Carpinus caroliniana).... 119, 202, 209

Box Elder (Acer negundo)-_-__._..--------.-- 58
Burr Oak (Quercus macrocarpa)-_---.-------- 118
Butternut (Juglans cinerea) ---._------------ 10, 96

California Black Oak (Quercus kelloggii) __-- 56

Page
Callirhoe involucrata_...._...-.-..-.225.-<-- 305
Canyon Live Oak (Quercus chrysolepis)_____ 56
Capul (Momisia pallida) --_......--------.-. 24
Carolina Poplar (Populus deltoides pilosa)_. 165
Garpimusicaroliniana: -.- 2225-222 119, 202
Castanea dentata=2: Js s.2es 5 67, 118
Catclaw (Acacia greggii)_._..._....._-_-_.__- 317, 331
Celtis laevigata! t0 4 fs to 5 kt ce 205
Celtis occidentalis. ____._______- 20, 100, 196, 294, 325
@eltis pallid.) je oe oe a ee Bee 24
Cherry, Choke (Prunus species). ..__...-__-- 107
Chestnut (Castanea dentata)_...__._...__.- 67, 118
Choke Cherry (Prunus species) ___._...__...- 107
Coast Live Oak (Quercus agrifolia)_____.__- 55, 149
Comptonia peregrina____...__-______.-------- 37
Cornus; foridas 222s ate eee 232, 294
Corylus species_____-_- Bao) sie SE oe eh SS get 218
Corylus americana---_-.-..--._--- 69, 72, 87, 130, 219
Corylus Tostratasad ost ee ee Sa 72, 219

Cottonwood (Populus deltoides)___ 141, 153, 165, 196
Cottonwood, Black (Populus trichocarpa)_ 22, 152
Cottonwood, Northern Black (Populus tri-

ehocarpathastata)a oes eon feat nen 165
rab, Wilde. 222 os) no ees a ee 107
Crataegus species._..._..=.--.-...<. 13, 107, 223, 229
Groton: species2# ei aa-= Se. 8 a Sirs on cee ee 307
Grotonicapitatam =. 2250-2 Ss ewan oe 307, 368
Crotoneleagnifolium:.:_2 22:2 s22ce2 Pee 308
Dew bernystecet aos ts Fa ere es Se 33
Diospyros virginians-=2-_----- = =- see 48
Dogwood (Cornus florida)____._._-___-_ 14, 232, 294
Dwarf Maple (Acer glabrum)-_-_..____---.--- 217
Ebony, Texas (Pithecolobium flexicaule)__.. 291
Elder, Box (Acer negundo) ______---_-.------ 58
Priest Ses x be SP a ee ee arden 67, 192
Engelmann Oak (Quercus engelmannii) - -_-- 56
Erigeron. species.) 5-0 >_ et ee ee 103
European White Birch (Betula alba)_-_-___- 165
aos Americana» S22 s82 Pesce eeee ee 67, 119, 202
agus grandivoliqe 2: ae 67, 119, 202
False Indigo (Amorpha fruticosa)--_-_------- 320
Fleabane (Erigeron species) ___..------------ 103
Frostweed (Helianthemum canadensis) ------ 3il
Gambel’s Oak (Quercus utahensis) - __--- 50, 61, 122
Garabato (Momisia pallida) --_._...-------- 24
Gleditsia triacanthos----_-....--..------ 42, 196, 289
Granjeno (Momisia pallida) __.__.-_..--.---- 24
Granjeno huasteco (Momisia pallida) --_---_- 24
Gray Birch (Betula populifolia).--.._.------ 165
Hackberry (Celtis occidentalis) ----_-._------ Livy

20, 24, 100, 196, 294, 325

az elere ee er ee 9, 13, 69, 72, 87, 130, 218, 219
Helianthemum canadensis_-___--.------------ 3ll
ENG KORY 2-52 Soh eet eee 9, 70, 85, 202, 329
iiicoria species=. 22 ect s2 es es 70, 85, 202, 329
Highland Live Oak (Quercus wislizenii) -_--- 55
Honey Locust (Gleditsia triacanthos) - ----_- 41,
42, 196, 289

Hop Hornbeam (Ostrya virginiana) --------- 29,
119, 157, 202, 209

Muckleberry.). 263.2 Se ene ees 44, 173, 262
Huisache (Acacia farnesiana)__ 198, 207, 274, 277, 281
Ironwood (Carpinus caroliniana) ----.------- 29,
119, 157, 202, 209

346 INDEX

Page Page
Juglaris:cinereas-. ose en ee 96 Wh hoplars <te- 5-2 28 eae ee 11, 37, 130, 133
JUPAS oT Ee ye Oe ae 90 | Poplar, Balsam (Populus balsamifera)______- 165
Large-tooth Aspen (Populus grandidentata). 165 | Poplar, Carolina (Populus deltcides pilosa)_. 165
Leather Oak (Quercus durata)_____________- 55 | Poplar-leaf Alder (Alnus tenuifolia)_____=__. 220
Locust, Black (Robinia pseudoacacia)__ 17, 196,328 | Poplar, Lombardy (Populus nigra italica)_ 141, 152
Locust, Honey (Gleditsia triacanthos)_______ Aa | Populus speciess 9. 2.2420... .Js5 5. see 130, 141
42,196,289 | Populus balsamifera__.....-...-.....22) 22% 165
Locust, New Mexican (Robinia neomexi- Populus balsamifera candicans_____________. “165
CaN) 22.20 fe oe a aes Ai eae 328) |; Bopulusideligides:22.2 sees se 141,-165.
Locust, Yellow (Robinia pseudoacacia) ______ 31) |” Ropulus: deltoides pilosacs& s22-. ase 1kS
Lombardy Poplar (Populus nigra italica)__ 141,152 | Populus grandidentata______________________ 145
WeQUI CORA DICTA ioe =. gases eek ee 226 | Pepulus. nigra italica23) 202i 225 ee! 141, 152
Madrone (Arbutus menziesii)____________- 9713;52) | Populus: tremuloides222222 23.2052 {3 22, 165
Malvastrum coccineum_.--______.._.:__..- 248, 249 | Populus trichocarpa_________________-. 22,141, 152
Manzanita (Arbutus menziesii)__-_______- 9, 13,52 | Populus trichocarpa hastata_.____._________- 165
WIaplO. 2. . -ce RON rk Saks 2 hee 13;218 | Post Oak (Quercus stellata) __....:-..i21- 37
Maple, Ash-leaved (Acer negundo)__________ 59 | Prickly Ash (Xanthexylum clava-herculis)__ 41, 42
Maple, Dwarf (Acer glabrum)______________- 217i )=Prosopis:julifloras=-) 32... 5 ee 274, 277
Maple, Red (Acer rubrum)____...__..._-.__- 59) le seruanus; species- 2. ey 107
Maple, Striped (Acer pennsylvanicum)__-_._ 217 | Pussy Willow (Salix discolor)____.__.._____- 155
Maple, Sugar (Acer saccharum)_____________ Bbo- || se VrUS/SPCCieS:-252-.— - eee eet s 107
Mentzelismuda =... 9h sa soely penis 2 ete LE |) seyrus}eOmmUwnis= >. 22-2 3 = ee Sie ae 223
Mesa Oak (Quercus engelmannii) --________- 56: F Quereus species == 2 Se eee wees 33, 93, 109,
Mesquite (Prosopis juliflora)---__________- 274, 277 129, 135, 138, 188, 237, 241, 262, 272, 286, 307
Miniosa borealis: .. 2 22. 243 |" Quercus agrifoliat2= ste sea Bae 55, 149
Wiomislaspallidassa ss. ee. 24.) -Quercustalhbas: 5... 228k Bele 66, 67, 78, 118
Mountain Alder (Alnus tenuifolia)__________ 220 || Quercus arizonical) 3222 SS) seine 2s4

Mountain Willow (Salix scouberiana) --_____- 21 |} Quercus/californicas=. soi ee ee 5
Maries: carolinensis... ==. 222cc.. 22a ee S600. fp Quercus; chrysolepiss-2. 5. =--- 2-22 - Seude eee 56
New Mexican Locust (Robinia neomexicane). 228 | Quercus coccinea____..__...._...---_--.-=-- 118
Northern Black Cottonwood (Populus tricho- Quercus/densifloravicsas) 22h 5005 5 _bapibe ete 56
carpachastata)i2e—. <2) 2. See eee 165)- | @UCLCUS CUTatS 5 ase ks oo, coat Some ae 55
Nuttall Willow (Salix secouberiana)__________ 217, | Quercus engelaiannit= 24 2hs sO ts Sees 56
Oakes. 2 35 ee eS 9, 10, 13, 53, 75, Quercus gambelii_ 2 322223-4228 25 50, 61, 122, 180
93, 109, 129, 135, 188, 196. 226, 241, 262, 272,286 | Quercus Kelloggii_-._._....._.._....----_-_--- 56

Oak, Arizona White (Quercus arizonica) _____ 284.) @GercusmMmacrOcaEpas. =). 22-----2--222=--2 2 118
Oak, Black (Quercus velutina) --____-- 67, LISM3S) | - Quercus tobra--- ee eee 118, 132, 202, 22:
Oak, Burr (Quercus macrocarpa)------------ 118) ) Quercus utaheusis-.-!222 2. eee 50, 61, 122.
Oak, California Black (Quercus kelloggii) - _ - 06) || @uercusivelutina = 2-2 <2. ee 67, 118
Oak, Canyon Live (Quercus chrysolepis) --_- 66. |) Quercus, wislizenii__.-_ i= =)... See 55
Oak, Coast Live (Quercus agrifolia)________ OAS! MR ASD DOInYs =. seas a te a 33, 75, 226
Oak, Engelmann (Quercus engelmannii) -___ 56 | Red Birch (Betula fontinalis)________________ 165
Oak, Gambel’s (Quercus utahensis) --___ 50, 61, 122 | Red Maple (Acer rubrum) ----________-.---- 59
Oak, Highland Live (Quercus wislizenii) - -_- 55 | Red Oak (Quercus rubra) _---- 118, 132, 135, 202, 223
Oak, Leather (Quercus durata)______..___--- 65. |; (Rhus plabra-=- 2-2: = = 2 = = Ses 61
Oak, Mesa (Quercus engelmannii)__-__.____- 56 | River Birch (Betula nigra) --_.......-.=----- 155
Oak, Post (Quercus stellata)_..._.___..------ 37 | Robinia neomexicana_____________-_--------- 328
Oak, Red (Quercusrubra)-____ 118, 182, 135, 202, 223 | Robinia pseudoacacia___-._------.--------- 311, 328
Oak, Scarlet (Quercus coccinea) --______-_--- 118: Rosa species... ase ese hb 3 226
Oak, Scrub (Quercus species) _____.__-------- 237 | Rosa blandass.- 2. 52 oe Ps oe ee TS 22
Oak, Tan (Quercus densiflora) ___-.._------- 5G) | GROSa: Carolina es aes Ce atria ees 212
Oak, White (Quercus alba)_- 3/, 66, 67, 78, 118, 307 | Rosa hugonis_-__.-.--.-----:----------------- 212
Oregon Alder (Alnus rubra)-_-_.-.------------ 152°}. Rosamultifloraijaponicass225_2. 5 et: See 212
Ostrya virginiana________-_ 29) 11959135.157,,2029209. |) Rosa mnitida:. 224 Sarat ees aes 212
Oxydendrum arboreum_=24 eee eee 43. | Rosa rubrafoliqe 2-22 Ss ee ea ee 212
Palo Verde (Parkinsonia microphylla)_.-. 257, 265 | Rosa rugosa---...-----=--.-+-----------25--- 212
Paper Birch (Betula papyrifera)--.-.-------- 165} Rosa setigera. +. 222-<2: te SS eee 212
Parkinsonia microphylla. _____..._.._----- 2573:265° I Rosew 2 aes Se ae tes ee 13, 33, 209, 226
Parthenocissus quinquefolia______._.___-_--- 329. |} Roses Wilda. 22a a Se ceed 2 Saree ne 212
CAGE Seas ee ne te Mee See ae eee 269 | Rubus species-.....- 222 ee ee Se 33
Pear >< L(A err et a sac 13) 10754223'..|. Salix speciesc.2-.---- 22 ee 33, 42, 144, 149, 218
PGCATI es 20k ea te Doe 2 Ns ls ae oe ey 165. | Sdlixbabylonica 2s Siete Ae ise ee 217
Persimmon (Diospyros virginiana) .-_______- 48 |. Salix discolor 2: 2--2:... Jess Sas ee 165
Pithecolobium species__________.-._._-_----- $22. "| Salix lasiandra...22 eee ee 147, 150, 217
Pithecolobium flexicaule_____________________ 291° |) Salix lasiolepis:...:=--2eseers Rae ee 148, 217
Poison Ivy (Toxicodendron radicans)_._____- 302: | Salix:scouberinnas: 2s e ett Se ee 217

Bh a i lil Cl ee

i ei em

INDEX 347

Page Page

Scarlet Oak (Quercus coccines)______________ 118 | Weeping Willow (Salix babylonica)________- 217
Scrub Oak (Quercus species) ______________.- 237 | Western Black Willow (Salix lasiandra) 147, 150, 217
Serviceberry (Amelanchier canadensis) _ _____ 107 | White Alder (Alnus rhombifolia).___________ 220
Shad Bush (Amelanchier canadensis)_.__... 107 | White Birch (Betula populifolia)......______ 165
Sourwood (Oxydendrum arboreum)_________ 48 | White Oak (Quercus species)__ 37, 66, 67, 78, 118, 307
Striped Maple (Acer pennsylvanicum) _____- 217 | White Willow (Salix lasiolepis)_..._._____- 148, 217
Sugarberry (Celtis laevigata)__..._.________. DOS MCV ALGO re yee eh eee sete ee Sh ee 107
Sugar Maple (Acer saccharum)_____________- Boda A VNLIGLEECOSE] tothe ees er en ae See ne Se 212
Sweet Birch (Betula lenta).___________ 126, 165, 202 | Willow (Salix species) ____- 11, 13, 33, 42, 144, 153, 218
Sweet Fern (Comptonia peregrina)_________- 37 | Willow, Arroyo (Salix lasiolepis)__..________- 217
Tan Oak (Quercus densiflora)_._____________ 56 | Willow, Mountain (Salix scouberiana) ______- 217
Texas Ebony (Pithecolobium flexicaule)_____ 291 | Willow, Nuttall (Salix secouberiana) _-______- 217
Thorn (Crataegus species)._____.__- 13, 107, 223, 229 | Willow, Pussy (Salix discolor) ___...--..--.-. 165
‘Toxicodendron radicans..___................ 3092 | Willow, Weeping (Salix babylonica) ____.-__- 217
ieasiepecies 192 Willow, Western Black (Salix lasiandra) 147, 150, 217
Meee ane gE LAER a ee Fee RES Willow, White (Salix lasiolepis)-..__._.... 145, 217
Virginia Creeper (Parthenocissus quinque- Xanthoxylum clava-herculis_________________ 42
TN) Bee ee 329 | Yellow Birch (Betula lutea)________________ 165
Walnut, Black (Juglans nigra)________-_.___- 9,90 | Yellow Locust (Robinia pseudoacacia) - ---_- 311

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