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BIOLOGIA
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CENTRALI-AMERICAN A.
I N.S-ErC- T &
DIPTERA.
Vor. IHI.
BY
Pnor. S. W. WILLISTON,
OF THE UNIVERSITY OF CHICAGO,
1891-1908.
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CONTENTS.
Page
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List of Species of SvnPHIDJE and Coworrp described by other Authors since the publication.
of Prof. Williston's work, concluded in May 182 . . . . . . . . . . . .. 89
Tudexdo.VolsEMIETLE G4 c 5. E. St nV. vhs 9A. now p TOS
PLATES.
—£-——
e JEeROT
INTRODUCTION.
Tuis Volume includes the enumeration of the Families Syrphidze, Conopidz, Pipuncu-
lide, and Platypezide, contributed by Prof. S. W. Williston, the date of publication
of his work extending from December 1891 to May 1892, the closing-up of the subject
having been deferred till Vol. II. was completed. As with the preceding Volumes, a
list of the species described from Mexico or Central America by other authors during
the progress of the work is appended, this list including only such as have been
recorded since 1891. "These have been mainly contributed by Dr. Giglio-Tos; and
as the date of publication of his paper is later by one month than that of the
final instalment of Prof. Williston's, the last-mentioned has priority in every case
where the same species has been described by both authors. "The two coloured
Plates of Syrphidz and Conopidze have been prepared by Mr. Wilson, of Cambridge,
from drawings made by Van der Wulp.
Ep.
August. 1905,
LIST OF PLATES.
— — — M —À— — M ——M— À——À
SYRPHIDE.
Mixogaster bellula, d
* o9 9 9*9 » *" * * » 6 » * c» o3 o n
Miecrodon aurifex, d
€ 9 9 9 9 9 c. 9 3 5$ c * 5 1 » 9 |
——— niger, d
Chilosia chrysochlamys, 9
Melanostoma crenulatum, 9
e o9 9 9 ve 9. . 9?
Syrpnhus diversus, 9
Didea coquilletti, $
Baccha rubida, d
dolosa, d
9*9 9 * e» *$ à * * * à v» à 9 a 5 5 9 s » * à
s?enea, d
$9 9 * €» 9 c 9 à € à * à » c3 * 9 ? . s 9 8
Myiolepta auricaudata, d
€ 9 9 » e * * * 5» v» e y 9 9
o9 9 c» à * 6 * $6 9 vo » o 9 e» 6
Volucella quadrata, 9
fraudulenta, 9
w € à * o » * * 9 5» o» v» * » 9 9 5 *
opinator, 9
9 9 9 9 9 9 à» 0 » 9 » 9 * *» t * v» v ? t
chsetophora, d
Plate. | Fig.| Page.
| | Ophromyia nasica, d^ ..........ssssn.
I H l
| Copestylum limbipenne, 9 ............
I 9 2 | |
Eristalisciree, d^ ......... ee eeeeee.
T, 3 4 |
USE ll. teh baisses e sued tenant f
I 4 8 | 2
|—— smulus, d. ......eeeeeeee e ees
I. 5| 12 |
| —— minutalis, 9... esee ess.
I | 64, 16 .
| Mallota margarita, 9 ..........ssuu.n.
I 9| 19 |
| gnsitlie 9 ursa hse i aIROduY.
]- 8| 34 |
| Xylota pauxilla, d^ ............eesesn
I 71,91 |
Ceriogaster auricaudata, 9. .........Lu.
I 10| 37 |
| Milesia pulehra, d^ ...........lseses.
I 11 40 |
Üeriicomeadeén nuce LRL be oaa
I 12| 46
I 13] 48 |
Coxorrp.
I | 14 5l | Physocephala carbonaria, 9 ............
15| 52 | Zodion aurieaudatum, 9 ..............
Plate.
1I.
1I.
19
14 |
Page.
BIOLOGIA CENTRALI-AMERICANA.
ZO00LOGIA.
Class INSECTA.
Order DIPTERA.
Fam. SYRPHIDE*. — dz — ir
MIXOGASTER.
Mivogaster, Macquart, Dipt. Exot. ii. 2, p. 14 (1842).
*
1. Mixogaster mexicana. j
Mivogaster mexicanus, Macq. Dipt. Exot. 1* Suppl. p. 123, t. 10. f. 15 ".
Hab. Mzxico!, Omilteme in Guerrero 8000 feet, Chilpancingo 4600 feet (H. H.
Smith).
Five specimens. Easily distinguished from J/. conopsoides by the shorter antenne,
which are not much longer than the front,
2. Mixogaster bellula, sp. n, s. (Tab. lI. figg. 1,2; lc, head in profile ;
15, head seen from in front.)
Face reddish-yellow, with a median blaek stripe and light yellow pile. Antenne longer than the face; first
joint slender, black, yellow atthe base; second and third joints ashy-black ; third joint thickened, spindle-
shaped. Least width of front equal to about half the distance from the foremost ocellus to the base of the
antennsz ; front, below the constriction, black, not shining, with yellow pile, above forming a large, bare,
shining black tubercle. Eyes bare. "Thorax opaque black; the dorsum of the scutellum, and a narrow,
broadly interrupted band on the mesonotum, extending on the pleure, clothed with golden-yellow,
appressed pile. Abdomen opaque black ; second segment with two long, narrow, yellowish-white stripes,
which are separated from each other and from the làteral margins by a slender black space ; third segment
with a narrow, golden-yellow-pilose posterior band; fourth segment broadly, triangularly, sparsely yellow-
pilose behind. Legs dark brown, the base of all the tibiz light yellow; hind tarsi elongate and dilated.
Wings nearly hyaline; base of the marginal cell and a cloud along the third vein brown; no stump on
* Dy S. W. WirrrsroN.
BIOL. CENTR.-AMER., Dipt., Vol. IIL., December 1891. b
D DIPTERA.
the fourth vein; a stump on the penultimate section of the third vein; last section of fourth vein not
angulated or broken.
Length 10 millim.
Hab. Mzxico, La Venta in Guerrero 300 feet [4 H. Smith).
One specimen.
The present species is in all respects a Microdon with a pedicellate abdomen, though
a true JMéxogaster.
MICRODON.
Microdon, Meigen, in Illiger's Magazin, ii. p. 275 (1803).
Aphritis, Latreille, Hist. Nat. Crust. et Ins. xiv. p. 358 (1805).
Ceratophya, Wiedemann, Aussereur. zweifl. Ins. ii. p. 79 (1830).
Dimeraspis, Newman, Ent. Mag. v. p. 372 (1838).
Mesophila, Walker, List Diptera, iv. p. 1157 (1849).
Ubristes, Walker, Ins. Saunders., Diptera, p. 217 (1856).
eno. —ÉWyopsis of the Central- American species.
eo
1. Seutellum with distinct points o^ spines . . . . . .
Scutellum rounded or emargirate, without points or spines;
cC
small species m Rr TELE"
. Large, resplendent green, siolei and. coppery species; spines of
3
seutellum remote ; legs without yellow ; wings withoutclouds. aurifer, Wiedem.
Not such species; spines of scutellum approximate . . . 3.
3. Deep opaque black, elongate species; wings black, with dhé
extremniy.yelóows M [583 . wena V. I . si niger, sp. n.
Smaller, more or less metalhe species. . TD RETE
4. Slender species; wings fasciate; antenn:z short : o rem . baltpterus, Loew.
Moderately elongate species; antennz not unusually short;
wings notfasciate . . . 0s s. s. 5. . Pgracilis, Bigot.
9. Legs black ; abdomen broad and flattened . EL, AR. 6G.
Legs selfoie: hind tibize dilated and ciliated ; abdomen dig ish-
red; wings hyaline . . . 008 0. s. 5» Bp. (no. 5).
6. "Third joint of antennz large, loni, falcate M. e . . falcatus, Willst.
Third joint of antennz; not markedly enlarged at the bas: . . Sp. (no. 6).
1. Microdon aurifex. (Tab. I. fige. 2, & ; 2 a, head.)
Microdon aurifev, Wiedem. Aussereur. zweifl. às. i 1. p. 85'; Willist. Synopsis N.-Am. Syrphidz,
p. 9*5.
Aphritis aurifev, Macq. Dipt. Exot. ii. 2, p. 11, t. 2. £. 9 *,
Microdon trochilus, Walker, Ins. Saunders., Dipt. p. 216 *.
? Microdon, sp., Willist. Trans. Am. Ent. Soc. xv. p. 258.
lab. Mxxico *, Omilteme 8000 feet, Xucumanatlan 7000 feet, Cuernavaca (H. H.
Smith), Ysthmus of Tehuantepec ?.— Bnazir ! ?, Pará 3,
* Bull. U.S. Nat. Mus. no. 31 (1886),
MICRODON. 3
The specimens captured by Mr. Smith, all of which are males, agree with the one
described by me from the Isthmus of Tehuantepec; I would amend the description of
that, however, by calling only the tarsi black, and the femora and tibie deep blue. In
all the examples before me the posterior part of the abdomen is coppery-red: in three
of them strongly so. In the specimen with the less cupreous abdomen the thorax is
of a deep purple colour. Wiedemann's description does not apply quite so well as that
of Macquart. There are either a number of closely allied species or well-marked
varieties of the same species, and some doubt of the identity must remain till specimens
quite alike are compared from Brazil and Central America. "Whether the example
from Brazil with yellow tibie mentioned by me? is of this species, I am, after com-
parison of the specimens, unable to say. It is quite certain that this is Walker's
M. trochilus.
2. Microdon gracilis.
- Microdon gracile, Bigot, Ann. Soc. Ent. Fr. 1883, p. 320 '.
Hab. Mxxico !, Orizaba (H. H. Smith and F. D. Godman).
Bigot's inadequate description will not permit any certainty in the determination,
but it seems not impossible that the single specimen before me belongs to this species.
There is a discrepancy between the diagnosis and description, as regards the anteunsz.
Our specimen has the antenne elongate, black; the face with light yellow pile above
and on the sides; the front with black pile, and its least width (male) scarcely less
than the distance from the foremost ocellus to the antennz. The scutellum has two:
stout, moderately approximated, spines. "The femora, and terminal joints of the tarsi,
are black. "The wings have the cross-veins narrowly clouded, but I do not see ** deux
petites macules diffuses, brunátres, au bord externe."
3. Microdon baliopterus.
Microdon baliopterus, Loew, Centur. x. no. 56, in Berl. ent. Zeitschr. 1872, p. 86'; Willist.
Synopsis N.-AÀm. Syrphidi, p. 5, t. 1. £. 2.
Hab. UwrrED STATES, Texas ! ?,.—M gxico, Amula in Guerrero 6000 feet, Teapa in
"Tabasco (JH. H. Smith), Temax in Northern Yucatan (Gaumer).
The antennze vary in colour from red to black, and the tip of the abdomen is more
or less reddish.
4. Microdon faleatus.
Microdon falcatus, Willist. Synopsis N.-Am. Syrphid:e, p. 9 '.
Hab. Mzxico, Tierra Colorada in Guerrero 2000 feet (ZU. H. Smith), Isthmus of
Tehuantepec !.
I am not able to compare the type-specimen, and cannot say with certainty that my
b 2
á DIPTERA.
determination is correct, inasmuch as the abdomen is nearly black, save upon the
margins, and not ** red or brownish-red." "The mesonotum, moreover, has the ** coale-
scent stripes" united. The Guerrero example agrees with the description otherwise,
and especially does it agree with my recollection of the antenne, which have a peculiar
basal dilatation of the third joint. The scutellum is nearly triangular.
5. Microdon —?
Hab. PANAMA, Taboga Island (Champion).
A single male specimen, without head. "The mesonotum is reddish-yellow, with a
black disc, the moderately elongate abdomen red, the legs yellow, with the tip of the
hind tibi: and the hind tarsi, in part, brownish ; the hind tibi: are dilated and ciliated.
The wings are small and nearly hyaline. It may belong to the species mentioned by
me in my Synopsis, p. 8.
6. Microdon —
Hab. GuATEMALA, San Gerónimo (Champion).
A female specimen, which resembles structurally M. faleatus; but it has the third
antennal joint regular, and the scutellum less triangular in shape, the emargination
more distinct. "The colour is light translucent yellow, the antennze and legs black ;
the wings are strongly pubescent, and ihe mesonotum has three coalescent black
stripes.
7. Microdon niger, sp.n., s. (Tab.I.figg. 3, 8 ; 3, head.)
Face rusty-black, with rusty and white pile, not at allshining; front black, not shining, except about the
antennz, its least width about four-fifths of the distance from the foremost ocellus to the antenns.
Antenne black, the first joint slightly reddish ; elongate, slender, the third joint cylindrical, and a little
longer than the first two joints together. Eyes bare. Thorax and abdomen deep, opaque, brownish-
black, finely roughened, bare. Scutellum with two rather small points. Abdomen narrowed, elongate,
the second segment the widest, thence gently tapering; fourth segment about as long as the first three
segments together, PPleurz: and the stout legs deep brown. Wings dark blackish-brown; the distal
fourth yellowish-white, with light-coloured veins, the extreme tip clouded ; terminal section of the fourth
vein and the posterior cross-vein without stumps.
Length 14 millim., of the antenn:e 32 millim.
Hab. Mxico, Panima in Vera Paz (Champion).
One specimen. This species, like its congener JM. mirabilis, Willist., is remarkable
for its black and light yellow wings. It is not impossible that, as in JM. mirabilis, the
two sexes may differ in the wing-markings.
CHRYSOTOXUM.—PARAGUS. 5
CHRYSOTOXUM.
Chrysotozywn, Meigen, in Illiger's Magazin, ii. p. 275 (1809).
1. Ohrysotoxum integre.
CAhrysotovum integre, Willist. Synopsis N.-Am. Syrphid:, p. 16 '.
Hab. UxrrED SrATES, Arizona !.—Mzxr1co, Northern Sonora (Morrison).
Two specimens from Sonora, male and female, agree with the description ; the black
of the fifth abdominal segment is perhaps better described as forming an elongate
V-shaped mark. |
2. Chrysotoxum —"?
Hab. Mzxico, Xucumanatlan in Guerrero 7000 feet (IH. H. Smith).
A single female specimen differs from C. integre in having the first two joints of the
antenng somewhat more elongate, the pile of the abdomen posteriorly longer and
denser, the abdomen itself narrower, and with slender and more V-shaped bands; the
coalescence of the hind band of the fourth segment with the yellow in front at the
middle; and the black of the fifth segment forming two slender, straight, convergent
vittulc.
3. Chrysotoxum ——?
Hab. Mzxico, Omilteme in Guerrero 8000 feet (H. H. Smith).
Two specimens, male and female, possibly referable to C. laterale, Loew, described
from Nebraska. I have never been sure of the identification of Loew's species, and am
less so here. "The first joint of the antenns is longer than the second, the white
vittule of the thorax are not conspicuous, and only the first abdominal fascia is
interrupted ; the black of the fifth abdominal segment forms an inverted V, not a Y.
From C. ypsilon, Willist., it may be distinguished by the less divergent rami of the
black of the fifth abdominal segment.
PARAGUS.
Paragus, Latreille, Hist. Nat. Crust. et Ins. xiv. p. 359 (1805).
1. Paragus dimidiatus.
Paragus dimidiatus, Loew, Centur. iv. no. 69, in Berl. ent. Zeitschr. 1863, p. 308'; Willist.
Synopsis N.-Am. Syrphidz, p. 20 (translation).
Hab. Uxrrgp SvavEs, District of Columbia !.—MExrco, Northern Sonora (Morrison),
Ciudad in Durango 8100 feet (Forrer), Amula in Guerrero 6000 feet (ZZ. H. Smith).
"Three specimens, agreeing well with Loew's description of P. dimidiatus ; itis perhaps
not really distinct from P. tibialis.
6 DIPTERA.
NAUSIGASTER.
Nausigaster, Williston, Trans. Am. Ent. Soc. xi. p. 33 (1883) ; Synopsis N.-Am. Syrphidze, p. 21
(1886).
1. Nausigaster punctulata.
JNausigaster punctulata, Willist. Trans. Am. Ent. Soc, xi. p. 34, t. 2. f£. 15", & xv. p. 259";
Synopsis N.-Àm. Syrphidz, p. 21, t. 1. figg. 10, 10a *.
Hab. UwrrEeD STATES, California?, New Mexico! ?.— MExico?, Isthmus of Tehuan-
tepec ?». —BRAzIL, Chapada ?.
I have seen but a single specimen of this insect from Central America, the one
mentioned in my Synopsis, p. 22, and this differs very much in the markings of the
wings from the typical ones from the United States. "The example from Brazil,
examined by me, is quite like the Central-American one, and I am, more than ever, of
the opinion that the form is distinct from the more northern one.
PIPIZA.
Pipiza, Fallén, Dipt. Svec., Syrph. p. 58 (1816).
Heringia, Rondani, Dipt. Ital. Prodr. i. p. 53 (1856).
Pipizella, Rondani, Dipt. Ital. Prodr. ii. p. 185 (1857).
Cnemodon, Egger, Verh. zool.-bot. Ges. Wien, xv. p. 573 (1865).
Penium, Philippi, Verh. zool.-bot. Ges. Wien, xv. p. 741 (1805).
1. Pipiza (Heringia) ?
Antenns reddish-black, the first joint yellow. Face shining greenish-black, with yellowish pile. Frontal
triangle on the upper part opaque black, with erect black pil; below like the face. Eyes black-pilose.
Mesonotum brownish or bronze-black, but little shining, with yellowish pile. Abdomen opaque black,
shining metallie on the sides; pile very short. Legs black ; first two joints of the four anterior tarsi and
the tip of the hind metatarsi and the two following joints light yellow ; hind metatarsi thickened ;
hind femora with long white pile; hind tibisz densely black-ciliate behind. Wings subhyaline, the
stigma yellow.
Length 6 millim.
Hab. Mxxico, Xucumanatlan in Guerrero 7000 feet (H. H. SmitA).
One specimen.
This species is very similar in structure to P. pulchella, Willist., Synopsis N.-Am.
Syrphide, p. 29, t. 2. fige. 1, 1a, 15. The ultimate section of the four
not broken, and there is no groove at the tip of the scutellum.
moreover, terminates distinctly beyond the anterior cross-vein.
th vein is bent,
The auxiliary vein,
2. Pipiza (Pipizella) bellula, sp. n., «.
Antenns elongate ; wings with a brownish spot, the last section of the fourth vein nearly straight ;
Eyes light-pilose. Frontal triangle shining metallie black, with erect black ;
black pile, in profile with a slight convexity above the middle.
legs black.
pile; face shining black, with
Antennie black; third joint fully twice
PIPIZA.—CHRYSOGASTER, T
as long as wide, shorter than the first two joints together. Mesonotum and scutellum shining bronze-
black, with light-eoloured pile; seutellum with a slender groove before its tip. Abdomen shining
bronze, rather thickly yellow-pilose; second segment, except the sides, and a large spot on the third,
opaque black. Legs black, all the femora more or less shining metallic above; pile white; the artieula-
tions of the tarsi somewhat reddish. Wings broadly clouded distally ; a large, diffuse, brownish spot in
the middle; posterior cross-vein and the last section of the fourth vein oblique, nearly straight.
Length 8 millim.
Hab. Mxxico, Xucumanatlan in Guerrero 7000 feet (H. H. Smith).
Three specimens.
This species is a Prpizella in its narrowest sense, that is, it has the auxiliary vein
terminating before the anterior cross-vein.
CHRYSOGASTER.
Chrysogaster, Meigen, in Illiger's Magazin, ii. p. 274 (1803).
Orthonevra, Maequart, Hist. Nat. Ins., Dipt. (Suites à Buffon), i. p. 563 (1834).
Campeneura, Rondani, Dipt. Ital. Prodr. ii. p. 163 (1857).
Cryptineura, Bigot, Rev. et Mag. Zool. 1859, p. 308.
1. Chrysogaster nitida.
Chrysogaster nitidus, Wiedem. Aussereur. zweifl. Ins. ii. p. 116 '.
Orthoneura nitida, Schimer, Reise der Novara, Dipt. p. 368 *.
Chrysogaster nitida, Wilhst. Synopsis N.-Am. Syrphid:e, p. 35, t. 2. figg. 7, 7a,
Cryptineura hieroglyphica, Bigot, Rev. et Mag. Zool. 1859, p. 308 *.
Orthoneura hieroglyphica, Loew, Centur. iv. no. 58, nota, in Berl. ent. Zeitschr. 1863, p. 306 *.
Hab. Nomru AwERICA !, New England ?, Pennsylvania ?, Virginia ?, South Carolina ?,
Kansas?, New Orleans*. — Mzxico, Amula, Vera Cruz (H. H. Smith). — SovrH
AMERICA ?.
Two specimens from Mexico, agreeing in all respects with others from the eastern
United States.
2. Ohrysogaster bellula.
Chrysogaster bellulus, Willist. 'Trans. Am. Phil. Soc. xx. p. 304.
Chrysogaster bellula, Willist. Synopsis N.-Am. Syrphidsze, p. 36, t. 2. figg. 6, 6 a.
Hab. UwrrED SrATES, Washington ?, California ! 2, Colorado ! 2.—M zxrco, Ciudad in
Durango 8100 feet (Forrer), Patzcuaro (F. D. Godman).
This species may be easily confounded with C. nitida. In addition to the differences
in the length of the second antennal joint, and in the facial profile, there is a distinctive
character to be found in the markings of the eye. In C. wifida the lines are laby-
rinthine above as well as below the subhorizontal line; in C. bellula, on the contrary,
the two lines running to the orbital margin are parallel and only gently curved.
S . DIPTERA.
CHILOSIA.
Cheilosia, Meigen, Syst. Beschr. iii. p. 296 (1822).
Cartosyrphus, Bigot, Ann. Soc. Ent. Fr. 1883, p. 230.
Synopsis of the Central- American species.
l. Eyes haüry . . . . 1*;47, 99 mem Y E,
Eyes bare |. c» E Lào Ars. 9 qa do d wa $oA&j R04. 40S
2. Shining bronze, with abundant golden pile. . . . . . . . chrysochlamys, sp. n.
Shining green, with sparse, lighter ple . . . . . . . . . sSororia, sp. n.
3. Mesonotum shining blaok . . . . . . . . . . . . . sororcula, sp. n.
Mesonotum and abdomen opaque black. . . . . . . . . frontosa, Bigot.
1. Chilosia chrysochlamys, sp.n. s 9. (Tab.I. figg. 4, €; 4a, head.)
Male. Eyes with long, light pile, broadly contiguous. Frontal triangle not swollen, thinly pollinose, and
with yellow pile and a slender median groove. Antenns red, the firsb two joints darker; third joint
rounded, notlarge; arista black, bare. Face shining black, bare, save on the outer side of the well-
marked lateral grooves; whitish-pollinose above and on the orbits; in profile, the well-developed tubercle
not projecting beyond the base of the antenne. Mesonotum shining bronze, with long, reddish-yellow
pile. Scutellum similarly coloured and pilose; without bristles. Abdomen shining bronze, like the
mesonotum; first segment subshining green; second segment, except the sides and narrow hind margin,
opaque black; third segment with a large opaque triangle; pile long, abundant (especially posteriorly),
semi-recumbent, golden-yellow ; on the sides in front white. Venter subshining, black, with yellowish
hind margins to the segments ; pile white and light yellowish. Tegule white,light yellow-ciliate. Legs
black, white-pilose ; base and tip of all the tibie, and the articulations of the anterior tarsi more or less
red. Wings tinged with yellowish and brownish.
Female. Front subshining, with lateral grooves and yellow pile; third joint of antenns a little larger, sub-
quadrate; facial.tuberele more prominent. Abdomen more oval, wholly shining bronze, except the first
segment; and with abundant, recumbent, golden pile, as in the male.
Length 12 millim.
Hab. Mxxico, Omilteme 8000 feet, Sierra de las Aguas Escondidas 9500 feet, both
in Guerrero (H. H. SmitA).
Five specimens.
The only North-American species with which this may be confounded is C. /asi-
ophthalma, Willist., from which the facial profile, opacity of the male abdomen, and the
long yellow abdominal pile will at once distinguish it.
2. Chilosia sororia, sp. n., 9.
Eyes clothed with a short, sparse pile. Front shining metallic, yellowish-pollinose and with yellowish pile:
a distinct groove on either side. Antennse red; arista black, bare. Face shining black, bare, save on
the narrow orbits; whitish-pollinose above ; in profile with a strongly protuberant tubercle projecting
beyond the base of the antenne. — Mesonotum shining metallic green, with bronze reflections ; pile short,
sparse, yellowish. Seutellum without bristles. Pleure with white pile. Abdomen shining metallic,
with yellowish or whitish pile. Legs with white pile; femora, except the tips, black; for the rest the
legs are yellowish-red, except the tips of the tarsi, which are somewhat blackish.
slightly yellowish-, hyaline.
Length 8-9 millim.
Wings greyish-, or
CHILOSA.—MELANOSTOMA. B
Hab. Mxxico, Ciudad in Durango 8100 feet ( Forrer).
Two specimens.
This species is distinguishable from C. pefulca, Willist., by the absence of. bristles
on the scutellum ; from C. baroni, Willist., by the red antenne and metallic coloration ;
from C. occidentalis, Willist., and C. Aoodiensis, Bigot, by the light-coloured pile of the
mesonotum ; and from C. /asiophthalma, Willist., by the facial profile.
3. Chilosia sororcula, sp. n., «.
Eyes bare. Frontal triangle not swollen, shining black, with an impressed line and black pile. Antenns red;
third joint rounded, not large; arista pubescent. Face shining black, bare, save on the narrow orbits ;
whitish-pollinose, very thinly below, more thickly near the antenns; facialtubercle not more protuberant
than the antennal tubercle. Mesonotum and scutellum deep shining black, with abundant black pile ;
the margin of the seutellum with longer hairs, scarcely differentiated as bristles ; pleure with white pile.
Abdomen shining, somewhat metallie, black, with white and dusky pile; second segment, except the
small front angles and the narrow hind margin, and the third segment, save a large, triangular lateral
spot and the narrow hind margin, opaque black. Legs black, with white pile; the tibie and the four
anterior tarsi largely luteous-yellow. — Wings greyish- or yellowish-hyaline; stigma pale yellow.
Length 6-9 millim.
Hab. Mxxico, Omilteme 8000 feet, Xucumanatlan 7000 feet, Sierra de las Aguas
Escondidas 7000 feet, all in Guerrero (H. H. SmitA).
This species may be easily distinguished from all other known American Chilosic ;
it is nearest related to C. versipellis, Willist.
4. Chilosia frontosa.
Cartosyrphus frontosus, Bigot, Ann. Soc. Ent. Fr. 1883, p. 553 '.
Hab. Mxxico !*.
MELANOSTOMA.
Melanostoma, Schiner, Wien. ent. Monatschr. iv. p. 213 (1860).
Synopsis of the recognized Central- American species.
l. Tibiz of the males on the outer side with long hairs ; pollen of
the face with the ground-colour showing through in dots
Origpplémat was nsns 2€1ké £e da de 4 QA Au onm A
Tibiz of the males without such hairs or bristles; pollen of
the face not dotted or rippled e Rr eu ov. OR
3. Face moderately projecting below, in profile distinctly receding
below thetubercle. . . . . . . . . . . . . . stegnum, Say.
Face markedly projecting below, not receding below the
tubercle . . . . . 5... 5... . . . . . . fenestratun, Macq.
3. Abdomen with yellow or yellowish markings . . . . . . 4
BIOL. CENTR.-AMER., Dipt., Vol. III., December 1891. . C
10 : DIPTERA.
Abdomen without yellow markings; face in the middle with
three or four parallel, transverse, delicate grooves. . - 7.
4. Large species; abdomen oval, with four yellow spots in the
male, and two smaller additional ones inthe female . . . bwcephalus, Wiedem. Xew denobug
Species of smaller or ordinary size and elongate form . . . 9.
5. Antennz elongated and separated at their base... - -* catabombum, sp. n.
Antenns short, the first joint not so long as the second ; an-
tennz more nearly contiguous at their base .. . . . « - 6. "
6. Face lightly and uniformly pollinose . mellinum, Linn;
Face, on the sides and the lower part of the front, covered with
dense yellow pollen . . . . ? pruinosum, Bigot.
7. Antenna black; abdomen mostly opaque black. . . . . meélanocerum, sp. n.
Antennzi more or less yellowish ; abdomen largely shining . 8.
8. First joint of the antenn:x not longer than the second. . . rugosonasus, Sp. n.
First joint of the antenne as long as the other two joints
together; wings with narrow brown clouds on the cross-
VéllK 5 3 eo. 4 0» 0 depe Aoce o5» e 4 cCOKelalum, Spr n.
1. Melanostoma stegnum.
Syrphus stegnus, Say, Journ. Acad. Phil. vi. p. 163 '; Complete Writings, ii. p. 358.
Melanostoma tigrina, Osten Sacken, Western Dipt., in Bull. U.S. Geol. & Geogr. Survey, ii.
p. 933".
Melanostoma tigrinum, Willist. Synopsis N.-Am. Syrphidz, p. 47, t. 3.1.8*.
Hah. UxrrgD SrATES, Washington ?, California??, Colorado?, Kansas, Arizona ?.—
Mzxico !, Omilteme 8000 feet, Amula 6000 feet, Sierra de las Aguas Escondidas 7000
feet, all in Guerrero (Z. ZI. Smith), Ciudad in Durango 8100 feet (.Forrer), Orizaba
(H. H. Smith and F. D. Godman).
Numerous examples. The males agree quite with specimens from the United
States. The female, hitherto unknown, has the front broad above, pollinose, except on
the upper part, and with black pile; the thorax more shining metallic blue; the
tibie yellow; and on both the third and fourth abdominal segments there is a
narrow shining stripe, bisecting the black, as in the fourth segment of the male. The
male has some long black hairs on the outer side of the front and middle tibiz, which
are inconspicuous in the female. It is evident, from the light colour of the tibie, that
Say's specimens were females.
2. Melanostoma fenestratum.
Syrphus fenestratus, Macq. Dipt. Exot. i1. 2, p. 103, t. 17.f. 6'; Blanchard, in Gay's Hist. fis, y
polit. de Chile, vii. p. 413^; Philippi, Verh. zool.-bot. Ges. Wien, xv. p. 746 *.
Melanostoma fenestrata, Schiner, Reise der Novara, Diptera, p. 351 *.
Hab. MExico, Omilteme 8000 feet (HJ. H. Smith), Ciudad in Durango 8100 feet
(Forrer).—SovrH AxERICA *, Chili ! ? ?.
MELANOSTOMA. 11
I have not seen other specimens of this species, yet it seems probable that my deter-
mination is correct. At all events, the species seems to be the same as, or very closely
allied to, the one described by Schiner under the name of M. fenestratum, from South
America, the only discrepancy being in the pollen of the face, which is not * schwarz
punktirt," but has elongate, ripple-like markings. The black of the third, or third
and fourth abdominal segments is bisected, as in JM. stegnum. "The species forms,
with JM. obscurum, Say, M. stegnum, Say, and .M. punctulatum, v. d. Wulp, a natural
group, that might justly receive a generic name.
3. Melanostoma bucephalus.
Syrphus bucephalus, Wiedem. Aussereur. zweifl. Ins. ii. p. 126 '.
Melanostóma bucephalus, Willst. Trans. Am. Ent. Soc. xv. p. 264".
Hab. Mxxico, ÀAmula 6000 feet, Xucumanatlan 7000 feet, Venta de Zopilote 2800
feet, Omilteme 8000 feet, all in Guerrero (H. H. Smith).—BRAziL !, Chapada ?.
Fourteen specimens. I have compared them with others from Chapada, Brazil, and
find no differences. JM. euceratum, Bigot, seems to be an allied species. JM. buce-
qhalus, as Wiedemann remarks !, is allied to M. hyalinatum from Europe.
4. Melanostoma mellinum.
Musca mellina, Linn. Faun. Suec. p. 1821 '.
Melanostoma mellinum, Willist. Synopsis N.-Am. Syrphidze, p. 49, t. 3. f. 9^ *.
Syrphus melliturgus, Meigen, Syst. Beschr. iii. p. 329* ; Macq. Dipt. Exot. 4* Suppl. p. 152*.
Melanostoma (?) cruciata, Bigot, Ann. Soc. Ent. Fr. 1884, p. 81 *.
Hab. EuRoPE (auct.).— UxirgD STATES, New England, Kansas, and Pacific States ?.—
Mzxico 5 (H. H. Smith, Forrer).—SourH AMERICA? *.
I have carefully compared the numerous Mexican specimens with others from the
eastern United States, and find no differences, except minor colorational ones. I have
little doubt of the synonymy of M. eruciatum, Bigot, notwithstanding the * thorax,
écusson, presque noirs et luisants " and the small size.
5. Melanostoma pruinosum.
? Melanostoma (?) pruinosa, Bigot, Ann. Soc. Ent. Fr. 1884, p. 79".
Hab. UxirED STATES, California !.—M Ex1co, Sierra de las Aguas Escondidas 7000
feet (H. H. Smith).
A single, female, specimen. In such species as this, Bigot's descriptions are usually
too vague for one to feel any degree of certainty in their determination. The Mexican
insect may be thus described :—
* For fuller synonymy, see Willist, loc, cit.
13 DIPTERA.
Female. Closely allied to M. mellinum. Face on the sides densely yellow-pollinose, leaving a median stripe
and the cheeks shining black, and extending on the front to an opaque black cross-band below the ocelli ;
the space immediately about the ocelli shining. Antenne yellow, the third joint blackish above. Meso-
notum brown, but little shining. Seutellum metallie green, shining. Abdomen subopaque, black, the first
segment somewhat shining; second segment with a slender oblique spot, connected with the lateral
margin; the third and fourth segments each with a pair of right-angled triangular spots, their apex
directed baekward, and that of the fourth connected with the lateral margins, and the fifth segment
with a small triangular spot on each side in front, yellow. Legs yellow, the hind tarsi a little infuscated ;
hind metatarsi elongate, but scarcely thickened. ^ Wings tinged with yellowish, and narrowly, but
distinctly, clouded with blackish at the extremity.
Length 7 millim.
M
6. Melanostoma catabombum, sp.n., & 9.
Male. Sides of the frontal triangle and of the face thickly covered with uniform yellow pollen, leaving a spot
in the middle above the antenne and a broad median stripe below shining, somewhat metallic black ;
cheeks more or less shining. Antenne red, the third joint largely blackish above; first joint about as
long as the oval third joint, distinetly longer than the second. Frontal triangle with black pile. Meso-
notum and scutellum shining bronze, with yellowish pile; pleurs of a similar colour in the middle, more
steel-blue below. Abdomen rather narrow, its greatest width at the distal end of the third segment;
opaque black; the first segment and the hypopygium shining metallic ; second segment on the lateral
margin in front metallic ; third and fourth segments each with a pair of moderately large, rounded yellow
spots on the anterior part, touching the lateral margin ; pile along the sides anteriorly long and light
yellow. Legs yellow; four front femora towards their base somewhat brownish ; four front tarsi, except
part or all of the basal joint, blackish ; hind legs brown, the tarsi black, the base of the tibie and the
metatarsi yellow. — Wings nearly hyaline; the stigma brown, a narrow cloud at the tip in front blackish.
Length 10-11 millim.
Female. Front and sides of the face whitish-pollinose ; on the upper part of the former, below the ocelli, an
opaque black eross-band, with a point projecting downwards in the middle. Thorax and scutellum mode-
rately shining, greenish-blue; the mesonotum with three darker stripes, of which the median one is
linear. Abdomen subopaque, black, the first and last segments more shining ; the oval spots of the third
and fourth segments not touching the lateral margin ; the second segment with a yellow spot on each
side in front.
Length 8-9 millim.
Hab. Mxzxico, Omilteme 8000 feet, Amula 6000 feet, both in Guerrero (H. H.
Smith).
Six males and three females.
I am not quite sure that these females belong to the males here described, by
reason of their smaller size; they agree structurally, however, throughout.
7. Melanostoma crenülatum, sp.n., s 9. (Tab.l. figg. 5, 9; 5a, head in
profile; 5 b, head from in front.)
Male. Alhed to M. scitulum, Willist., but with the first joint of the antenng as long as the other two joints
together. Frontal triangle opaque black above, shining below, with black pile. Antennz elongate, slender,
remote at their base; first joint as long as the following two joints together, yellowish or reddish ;
second and third joints of about equal length; third joint black, more than twice as long as wide, obtusely
pointed. Face shining black ; running from the inner side of each antenua, with a gentle outward curve
to the oral margin, is a slender white line of pollen ; running transversely across the Space contained
within these lines are three or four narrow, shallow, grooves ; three small spots of white pollen along the
orbital margin, the lowest one extended diffusely to the oral margin. Mesonotum moderately shining,
MELANOSTOMA. 13
dark bronze, with three ill-defined stripes; pile yellow ; pleurse and seutellum more steel-blue. Abdomen
shining, subopaque, brownish-black, the firsí segment and the anterior angles of the following ones
shining metallic. Legs black; tips of the femora, the four anterior tibie, the base of the hind tibis, all
the metatarsi, and the second joint of the four posterior tarsi, yellow, the remainder of the tarsi brown or
blackish ; hind metatarsi elongate, but not thickened. Wings nearly hyaline; stigma elongate, yellow ;
narrow brown clouds on the anterior cross-vein and across from the origin of the third vein to the vein at
the base of the last posterior cell.
Female. Front subshining, black or steel-blue, with an opaque black cross-band above composed of two coale-
scent oval spots. Mesonotum black or bluish-black. Abdomen black or bluish-black, with a large
opaque or subopaque triangle on the second segment.
Length 8-9 millim.
Hab. MExico, Xucumanatlan 7000 feet, Omilteme 8000 feet, both in Guerrero
(H. H. Smist).
Fifteen examples. This species is very much like AM. scitulum, Willist., in structure,
differing chiefly in the more elongate first antennal joint. The markings of the face
and wings are quite similar, as are the facial grooves. In immature specimens the
second abdominal segment may be largely yellowish at the base.
8. Melanostoma rugosonasus, sp. n., 9.
Front, below, moderately shining, submetallie black ; above, with a black opaque cross-band below the ocelli.
Antenng red, the upper part of the third joint blackish ; first two joints of about equal length, the third
joint as long as the first two together, about twice as long as broad. Face shining black, partly concealed
beneath whitish pollen, which, on the sides, is faintly striate; in the middle, with five, well-marked,
slender transverse grooves. Mesonotum moderately shining, brownish-steel-blue, with three darker, not
conspieuous, stripes ; scutellum steel-blue. Abdomen shining metallie bluish ; second, third, and fourth
segments each with a posterior black band, extending more or less forward in the middle. Lees: first
two pairs reddish- or brownish-yellow, with the base of the femora and the tarsi blackish ; hind femora
black ; hind tibie and tarsi brown, except the base of the former, which is reddish-yellow ; hind metatarsi
elongate. Wings tinged with yellowish ; stigma yellow.
Length 9 millim.
Hab. Mxxico, Omilteme in Guerrero 8000 feet (H. H. Smith).
À. second specimen, from Xucumanatlan, differs in having fewer transverse wrinkles
on the face; the face in profile very gently concave below the antennw (instead of
straight); the abdomen more uniformly black, and not distinctly banded; the legs
black and brown, with the knees and the base of the tibiz yellow ; and the wings with
a large brownish spot; I am inclined to think that it belongs to a distinct species.
9. Melanostoma melanocerum, sp. n9.
Front opaque black above, black-pilose. Antenns black, the third joint slightly reddish below ; third joint
oval, about as long as the first two joints together. Face shining black, on the sides with a broad stripe
of pollen running from the orbit to the oral margin ; in the middle with four parallel grooves. Mesonotum
black, with a slight bronze reflection, but little shining. Abdomen opaque black, the anterior angles of
the third and fourth segments somewhat reddish. Legs black, the distal end of the four anterior femora,
14 DIPTERA.
their tibi; and the basal joints of their tarsi, and the extreme base of the hind tibiz, reddish-yellow.
Wings tinged with yellowish ; stigma yellow.
Length 9 millim.
Hab. CosrA Rica, Rio Sucio (Jogers).
Two specimens.
The following species described by M. Bigot are unknown to me :—
Melanostoma (1) anthracoides, Bigot, Ann. Soc. Ent. Fr. 1884, p. 82.— Panama.
(1) annuliferum, Bigot, loc. cit. p. 84.—Mexico.
—— (t) quadrinotatum, Bigot, loc. cit. p. 77.—Mexico.
cyaneocinctum, Bigot, loc. cit. 1885, p. 251.—Mexico.
As regards M. anthracoides, the yellow scutellum and coloured wings render the
location in this genus doubtful; it is, more likely, an Ocyptamus. M. annuliferum
cannot be a Melanostoma. ..M. quadrinotatum is apparently a true Melanostoma, but I
do not recognize it amongst our specimens; there is a discrepancy of importance
between the diagnosis and the description.
EUPEODES.
Eupeodes, Osten Sacken, Western Dipt., in Bull. U.S. Geol. & Geogr. Survey, iii. p. 328 (1877).
1. Eupeodes volucris.
Eupeodes volucris, Osten Sacken, Western Dipt., in Bull. U.S. Geol. & Geogr. Survey, iii. p. 329 *s
Willist. Synopsis N.-Am. Syrphidz, p. 65, t. 3. figg. 14, 14 a *.
Syrphus perpallidus, Bigot, Ann. Soc. Ent. Fr. 1884, p. 90 *.
Hab. NomrH AxERICA?, Washington?, California! 2, Nevada!?, Utah !?, Kansas ?,
Colorado !2, New Mexico?, Arizona ?.— M Exico, Northern Sonora (Morrison), Mexico
City (H. H. Smith).
SYRPHUS.
Syrphus, Fabricius, Syst. Ent. p. 762 (1775).
Sceva, Fabricius, Syst. Antl. p. 248 (1805).
Ischyrosyrphus, Bigot, Bull. Soc. Ent. Fr. p. xviii (1882).
Syrphus, as now restricted, is, I believe, pre-eminently a European and North-
American genus. Many species have been described from South America, but I believe
they will be mostly found of heterogeneous forms when they shall have been studied
in the light of modern dipterology. lI am acquainted with several species which have
to be placed in the genus at present, though wanting in the homogeneity that charac-
terizes most of those now placed there. lI have, however, seen a Syrphus, in the
SYRPHUS. 15
strictest sense, from. Brazil. In the present collections there are representatives of
nine species, some of them identical with those of the United States. It is of interest
to note that all the Central-Ameriean specimens of typical Syrphus are from a con-
siderable altitude. ^ Both the species of the nearly allied genus Didea, hereinafter
mentioned, are likewise from the ** tierra templada."
Synopsis of the Central- American species.
1l. Three principal bands of the abdomen entire . . . . . americanus, Wiedem. ( 9 ).
Three principal bands of the abdomen interrupted; eyes r háre-. 3.
First cross-band interrupted, the others entire —.. . . . . 4.
2. Elongate species ; facein profile not prominent below, narrowed
below; cheeks very narrow ; abdominal spots small, round. Sp. (no. 8). — DV UV"
Abdomen oval; face prominent below. . . . . « « « 9.
3. Face without black stripe —. . . . s s s s s s e s Oupeltatus, Bigot.
Face with a black stripe . . . . Sp. (no. 4). b. "
4. Eyes pilose; second and third ibdohiinil andi bilaterally
oblique, and all separated from the lateral margin . . . /ofus, Willist.
Eyesbare . . . T e 7 C .w470p RALIS S.
5. Femora yellow at the bààé; abdomen elorigáte; narrow ; second,
third, and fourth segments each with a slender, triangular,
lateral, anterior spot and a complete band, the latter with its
posterior margins bilaterally oblique . . . à . decipiens, sp. n.
Femora black or blackish at the base; sibitaudes with diré
simplebands. . . . . yo ie a SEX ot
6. The second and third ibdostingd bands not quite NE the
margin. . . . americanus, Wiedem. (d).
The second and third sbdanius baxids tédeliag m" to the
margin. . . « 7.
7. Bands straight, not emprinhte bekind, pur the Jaierad
margins in their full width ; abdomen with subparallel sides . diversus, sp. n.
Bands more or less sinuous or emarginate, or attenuated before
reaching the lateral margins. . . . . . . 4 6 e 8
8. Third joint of antennze rounded. . . . . . ribesi, Linn.
"Third antennal joint elongate, straight on the : upper horde,
and obtusely pointed; hind metatarsi yellow. . . . - bisinuatus, sp. n.
1. Syrphus americanus.
Syrphus americanus, Wiedem. Aussereur. zweifl. Ins. ii. p. 129; Osten Sacken, Proc. Bost. Soc.
Nat. Hist. xviii. 145 ^; Willist. Synopsis N.-Am. Syrphids, p. 82^.
Hab. Nogmmg AMERICA, British Possessions ?3, Montana ?, New England? ?, New
York 2, Delaware ?, Virginia?, Michigan ?, Texas ?. .MExico, Omilteme in Guerrero
8000 feet (H. H. Smith).
16 DIPTERA.
Two specimens, male and female, agreeing quite with others from the eastern
United States.
2. Syrphus lotus.
Syrphus lotus, Willist. Synopsis N.-Am. Syrphidz, p. 75 ".
Hab. UwrrED SrATES, Arizona !.—MExico, Omilteme in Guerrero 8000 feet (47. H.
Smith).
Two female specimens, agreeing well with the description.
3. Syrphus eupeltatus.
Syrphus eupeltatus, Bigot, Ann. Soc. Ent. Fr. 1884, p. 91.
Hab. Mzxico !, Omilteme in Guerrero 8000 feet (H. ZI. Smith).
I feel pretty sure of the identification of this species, notwithstanding that the
thorax is not * noir," but dark olivaceous-green, and not shining. The face is unusually
prominent, the upper oral margin projecting even beyond the large rectangular tubercle.
The author makes no mention of this, the most striking characteristic of the species;
still the identity is not doubtful. Fight specimens.
4. Syrphus ? SayStury Gib 7To:
Hab. GuaTEMALA, San Gerónimo (Champion).
Quite like S. eupeltatus in structure, but with a large black spot in the frontal
triangle, a broad black facial stripe, and a darker mesonotum, with less yellow on the
margins; the pleure are shining blue-black (instead of chiefly yellow), the legs are
browner, and the size is smaller (about 10 millim.).
5. Syrphus diversus, sp. n, « 9. (Tab.I. figg. 6, 9; 6 a, head.)
Male. Face light amber-yellow, golden-pollinose on the sides, clothed, like the front, with black pile. Frontal
triangle large, not shining ; blackish above, below with a small, rounded, shining black spot. Vertical
triangle small, black. Antenns small, red; third joint blackish above, orbicular. Eyes bare. Meso-
notum opaque dark olivaceous-green, with light-coloured pile; a spot at the outer end of the suture and
the postalar callosities yellow. —Seutellum light yellow, with black pile. Pleurz subshining blue-black,
yellowish in the middle, and with yellow pile. Abdomen with nearly parallel sides, opaque black ; first
segment small, shining, yellow at the sides; second segment with two large triangular yellow spots,
leaving a moderately broad interval between the points; the three following segments each with a mode-
rately broad, gently areuate yellow band, situated towards the front, not interrupted or emarginate, and
attaining the margins in their full or increased width; pile black. Legs black, the cox:s, the distal
portion of the four anterior femora, the hind knees, and the broad base of the four anterior tibise yellow ;
the four anterior tibi; for the rest, and their tarsi, blackish or brownish. Wings clouded with brownish,
more deeply so on the anterior border distally.
Female. Front dark opaque olivaceous-green above, with black pile. Fifth abdominal segment two-thirds as
long as the fourth ; the sixth segment with a small yellow spot on the anterior angles. "The four anterior
legs yellow, with the base of the femora black, or with a black spot, and the tarsi blackish.
Length 11-12 millim.
SYRPHUS. 17
Hab. MExico, Omilteme 8000 feet, Xucumanatlan 7000 feet, both in Guerrero
(H. H. Smith).
One male, three females.
Nearest allied to S. diversipes, Macq.
6. Syrphus ribesii.
Musca ribesii, Linn. Fauna Suecica, p. 1816. (For the remainder of synonymy, see Willist. Synopsis
N.-AÀm. Syrphidz, p. 77 '.)
Hab. EuRoPE.—NonrH AMERICA, Atlantic, Middle and Pacific States !. —M xxico,
Sierra de las Aguas Escondidas in Guerrero 9000 feet ( H. ZH. Smit).
. A male specimen from Western Mexico presents most of the essential characters of
this species, but with certain differences. "The pile of the face is black, not yellow, and
the yellow spots of the second abdominal segment are distinctly separated from the
margin. Length 9 millim. A female specimen from the same locality is a little larger
and has the yellow spots of the second segment broadly contiguous with the margin,
the femora yellow at the base (the middle femora very narrowly black), the hind femora
with a broad brown ring, and the hind tibie and tarsi brown. Length 11 millim.
;. Syrphus bisinuatus, sp. n., 9.
Front much narrowed above, shining metallic black near the ocelli and in the middle below, on the sides
yellow-pollinose, the black extending to the antenn:w; pile black. Antenn: red, the first two joints
brownish above; the third Joint broadly black on the upper part, in shape obtusely pointed, between two
and three times as long as broad, its upper border straight, the lower border convex. Face and cheeks
yellow, with yellow pile. Mesonotum opaque olivaceous-green, with yellow pile; seutellum light yellow,
with black pile. "The yellow spots of the second abdominal segment extend forward to the lateral margin :
the bands of the second, third, and fourth segments are not very broad, reaching the lateral margins in
their full, or nearly their full, width—on their anteriorside convex in the middle, and with a considerable
coneavity on each side, on their posterior side there is a broad shallow emargination or concavity ; fourth
segment narrowly yellow behind, forming a band with the yellow of the anterior angles of the fifth
segment. Legs light yellow, the narrow base of all the femora black; the hind legs in large part
brownish, with the knees broadly, and the base of the metatarsi yellow. — Wings hyaline ; stigma yellow.
Length 10-12 millim.
Hab. Mzxico, Omilteme in Guerrero 8000 feet ( H. H. Smith) ; CosrA Rica, Volcan
de Irazu 6000 to 7000 feet, Rio Sucio (Jogers).
Seven specimens.
Mm—X »
zT. o od 1
[5 d. — NA afe
LI
8. Syrphus
Syrphus gastrostactus, Willist. ''rans. Am. Ent. Soc. xv. p. 264 (nec Wiedem.) '.
Face much narrowed below ; light yellow, on the sides opaque white; clothed with white pile. GCheeks very
narrow, black. Antenns black; third joint nearly orbicular. Frontal triangle yellow, with a large
triangular black spot, reaching aecutely to the suture; clothed with black pile. Eyes bare. Mesonotum
anteriorly with a conspicuous light yellow ruff; in colour dark shining bronze, with black pile. Scutellum
BIOL. CENTR.-AMER., Dipt., Vol. IIL., December 1891. d
18 DIPTERA.
blackish-green, with an oval yellow spot on each lateral margin. 4A small spot on the outer end of the
suture and another on the postalar callus yellow. ^ Pleure blue-black, whitish- pollinose. Abdomen
narrow, elongate, with nearly parallel sides; the first segment, the margins of the following ones, the
fifth segment, and the hypopygium shining black; for the rest opaque black, with three pairs of small
yellow spots. Legs: two anterior pairs yellow and brown, the distal three joints of the tarsi blackish ;
hind pair black, the knees somewhat yellowish, the first three joints of their tarsi light yellow. Wings
subhyaline, the costal cell lightly clouded, the subcostal cell brown.
Length 10-11 millim.
Hab. Mxxico, Venta de Zopilote in Guerrero 2800 feet (H..H. Smith).—BRAZIL,
Chapada !.
Five specimens.
I have compared these with the ones mentioned by me! from Brazil, as perhaps
belonging to S. gastrostactus, Wiedem., and find them identical. These male specimens
bear a remarkable resemblance to the females of Ocyptamus trigonus, known only from
that sex; and I suspect that they belong to the same species, notwithstanding the
marked differences (compare Schiner, Reise der Novara, Diptera, p. 347).
9. Syrphus decipiens, sp. n., c .
Frontal triangle opaque yellowish-green, yellow below; pile black. Antennz red; third joint orbicular,
brownish above. Face and cheeks yellow, the former with yellowish pile and white pollen on the sides.
Mesonotum glaucous-green, a little shining, with yellow pile. Seutellum yellow, with long black pile.
Abdomen narrow, elongate, with parallel sides; first segment shining blue-black, with the sides yellow ;
second segment opaque black, the hind margin shining, and before the middle with two yellow triangles
meeting at their points in the middle to form a eross-band ; third segment with a pair of slender triangles
on the front margin, not meeting in the middle, more or less coalescent on the sides with an entire cross-
band, the black in front of the cross-band forming a slender erescent—the posterior margins of the yellow
band oblique, angulated in the middle, the black behind it as that before, opaque, except on the hind
margin; fourth segment similar, the crescent smaller, the angle behind more acute, the shining portion
extending forward aeutely in the middle; fifth segment with a large yellow spot on each side: hypo-
pygium shining black. Legs yellow ; hind femora broadly blackish in the middle; hind tibi» black,
except at the base; distal joints of the hind tarsi blackish. Wings nearly hyaline; costal cell yellow ;
subeostal cell brown ; the costa with a blackish cloud distally.
Length 10-11 millim.
Hab. Mzxico, Omilteme in Guerrero 8000 feet (H. Z. Smith).
Fifteen specimens.
DIDEA.
Didea, Macquart, Hist. Nat. Dipt. i. p. 508 (1834).
Enica, Meigen, System. Beschr. vii. p. 140 (1838).
1. Didea laxa.
Didea laza, Osten Sacken, Bull. Buffalo Soc. iii. p. 66' ; Cat. Dipt. 2nd ed. p. 345, note 212;
Willist. Synopsis N.-Am. Syrphidsze, p. 90, t. 4. figg. 4, 4a.
Hab. UwrmkEp SraATES, New. Hampshire! ?, Maine !, Michigan !, Washington ?,
DIDEA.—ALLOGRAPTA. 19
Oregon ?, California ?, New Mexico.—Mzxico, Omilteme in Guerrero 8000 feet (H.
H. Smith).
A single female specimen from Guerrero, differing from the more typical examples
only in the femora having less black, and the wings being more yellowish.
2. Didea coquilletti, sp. n. « 9. (Tab. I. figg. 9, 6 ; 9 a, head.)
Eyes bare; third longitudinal vein deeply sinuous. The abdominal bands reach quite to the lateral
margins. Face, front, and cheeks wholly light yellow, shining, except the golden-pollinose orbital
margins; in the female the upper part of the front blackish, with yellow pollen. JAntenns red; third
joint black above, obtusely oval, smaller than in D. laxa. Mesonotum shining bronze-green, the lateral
margins yellow, clothed with yellow pile. Pleurze chiefly yellow, with yellow pile; for the rest
shining blue-black, as is also the pectus. Scutellum translucent yellow, with black pile. Abdomen
opaque black, with yellow eross-bands; first band interrupted, the oblique spots reaching the margins
broadly ;: second and third bands narrowed before reaching the margins, emarginate in the middle behind ;
fifth segment with a yellow band in front. Legs yellow, the tip of the hind metatarsi blackish, the
remaining joints black ; hind tibie sometimes brownish. Wings nearly hyaline; stigma brownish-yellow ;
third vein strongly curved into the first posterior cell.
Length 9-12 millim.
Hab. Mxxico, Omilteme in Guerrero 8000 feet (H. H. Smith).
Three males and three females. Dedicated to Mr. D. W. Coquillett.
ALLOGRAPTA.
Allograpta, Osten Sacken, Bull. Buffalo Soc. iii. pp. 49, 63 (1877).
1. Allograpta obliqua.
Sceva obliqua, Say, Journ. Acad. Phil. iii. p. 89' ; Complete Writings, ii. p. 78 ".
Syrphus obliquus, Say, Amer. Ent. t. 11. fig. 2 *; Complete Writings, 1. p. 23 *; Wiedem. Aussereur,
zweifl. Ins. ii. p. 138? ; Schiner, Reise der Novara, Diptera, p. 358 '*.
Allograpta obliqua, Osten Sacken, Bull. Buffalo Soc. iii. p. 49"; Cat. Dipt. 2nd ed. p. 126^, and
note 214; v. d. Wulp, Tidjsehr. v. Ent. xxvi. p. 1, t. 1l. £. 1*; Willst. Synopsis N.-Am.
Syrphid:e, p. 96 '*.
Syrphus securiferus, Macq. Dipt. Exot. ii. 2, p. 100, t. 16. fig. 10"; 1* Suppl. p. 139 *.
Syrphus bacchides, Walker, List. Dipt. id. p. 594".
Syrphus signatus, v. d. Wulp, Tijdschr. v. Ent. x. p. 144, t. 4. f. 12".
Hab. NomrH AMERICA!35 79 111214 Washington !?, New Hampshire !?, Con-
nectieut 19, Colorado !^, Kentucky !?, Florida !?, California !?, —M Ex160, Amula 6000
feet, Chilpancingo 4600 feet, Xucumanatlan 7000 feet, Cuernavaca (H. H. Smith),
Mexico city (E. H. Smith, Schumann).—SovrH AwERICA 5, Argentine Republic ?.
Fifteen specimens from Mexico, agreeing with others from New England.
d 2
20 DIPTERA.
- FH
PETS VI.
9. Allograpta fracta. ^ ^ —
Allograpta fracta, Osten Sacken, Western Diptera, in Bull. U.S. Geol. & Geogr. Surv. iii. p. 331;
Willist. Synopsis-N.-Am. Syrphidze, p. 97 *.
? Allograpta erotica, v. d. Wulp, Tijdschr. v. Ent. xxvi. p. 2, t. 1. f. 2 * (nec Wiedem. ?).
Hab. UwxrmED SmATES, California ! ?.—M Exico, Xucumanatlan 7000 feet, Venta de
Zopilote 2800 feet, both in Guerrero (/J. H. Smith), Ciudad in Durango (Forrer).—
ANTILLES, Guadaloupe ?.
Four specimens from Mexico, differing chiefly from A. obliqua in the presence of a
deep black facial stripe. The first abdominal segment is as in .4. obliqua, and the
band of the second segment is not interrupted.
3. Allograpta ?
? Syrphus exoticus, Wiedem. Aussereur. zweifl. Ins. ii. p. 136 '.
Hab. Mzxico, Xucumanatlan 7000 feet, Omilteme 8000 feet, Amula 6000 feet
(H. H. Smith).—Bnazn !.
Differs markedly from the two preceding species in the mesonotum being opaque
dark green in both sexes. The black stripe of the face is broader than in 4. fracta,
the hind legs and abdomen darker. The third joint of the antenne is largely black.
Four specimens.
SPHJEROPHORIA.
Spherophoria, St.-Fargeau & Serville, Encycl. Méthod. x. p. 518 (1825).
Melithreptus, Loew, in Oken's Isis, 1840, p. 573.
The genus Spherophoria is, at present, one of much difficulty, inasmuch as it
requires often numerous specimens, from different localities, to determine the limits of
variational differences. The black markings of the face and front, and of the legs, and
the markings of the abdomen are all more or less variable, and one should not place
too much dependence upon them. All the species which I have so far seen from
Central America have a small hypopygium and incomplete lateral thoracic stripes.
Bigot has, however, described species with the normal hypopygium. Even where
the hypopygium is minute, one can scarcely mistake the generic relationships, as
presented in the structure of the head and face, and the elongate abdomen.
Synopsis of the recognized Central- American Species.
1. Fifth segment of the abdomen with four elongated spots or stripes. 2
Fifth segment of the abdomen with a transverse band. . . . . 4.
3. E x quie d segment with an uninterrupted arcuate yellow
an
RÜR Bg h.-Wue ua o aba s y P" a
Fourth abdominal segment with rectangular and oblique markings. Sp. (no. 3)
SPHJEROPHORIA. 2l
3. Legs entirely or in great part yellow . . . . . . . . . . picticauda, Bigot.
Legs for the most part black . . . . . 20. s. s s. s micrura, O. Sacken. -
4. Bands of the abdomen broad and nearly sirdight po. oc 42 deo SD,
Bands of the abdomen narrower, bilaterally oblique on their
posterior margins 2... 5. 5. Spp. (nos. 5 & 6).
pag rrt
1. Sphzrophoria picticauda. -
Spherophoria picticauda, Bigot, Ann. Soc. Ent. Fr. 1884, p. 102*.
Hab. Mxxico !, Omilteme 8000 feet, Sierra de las Aguas Escondidas 9500 feet, and
Acaguizotla 3500 feet, all in Guerrero, Teapa in Tabasco (J7. H. Smith).
Bigot's vague description would leave one very much in doubt, save for the pecu-
liarly marked fifth abdominal segment, which he recognizably describes ^ As the
species seems to be very variable, I give here a full description, based upon about
twenty-five specimens :—
Male. Face in profile more prominent than in S. cylindrica, with a greater concavity on theupper part. Face
yellow, with a median black stripe, which is often almost wholly obsolete, leaving only a brownish streak,
or a smallspot on the tubercle. Frontal triangle with a shield-shaped black spot, sometimes leaving
only a narrow orbital yellow margin, at other times small. Antenn:ze black with the third joint yellow
below, sometimes red with the third joint blaek above. Mesonotum dark green or greenish-black, some-
times distinetly bronze-coloured, but little shining ; the yellow lateral stripe truncate at the suture; a
small yellow spot on the postalar callosities. Pleurw shining blue-black, with two or three yellow or
yellowish spots. Seutellum yellow, or reddish-yellow, sometimes with a darker cloud across the disc.
Abdomen opaque black ; first segment, except the lateral yellow spots, shining, somewhat metallic, black ;
second, fourth, and fifth segments narrowly in front and behind, and the sixth in great part, shining
black; second segment with a yellow transverse band, wider at the sides, sometimes dissolved in two
triangles; third and fourth segments each with a gently arcuate band; fifth segment with two median
streaks or comma-like spots, and two larger lateral ones. Hypopygium small, black, Legs often yellow,
with the hind legs chiefly, and all the tarsi, brownish ; usually the four anterior legs are in great part
brownish, and the hind pair is darker; cox: chiefly brownish or black. Wings sometimes nearly
hyaline; usually very distinctly tinged with brownish.
Female. Front shining black, with the orbits on. the lower two-thirds yellow. Legs usually lighter-coloured,
light yellow, except the hind tarsi; coxe yellow.
Length 7-9 millim. Dr:
. Sphzerophoria micrura.
Sphaerophoria micrura, Osten Sacken, Western Diptera, in Bull. U.S. Geol. & Geogr. Survey, iii.
p. 380'; Willist. Synopsis N.-Am. Syrpbidze, p. 107 *.
Hab. UwrrEgD STATES, California! 2. — M xxico, Omilteme in Guerrero 8000 feet
(H. H. Smith).
Á. single male specimen from Omilteme, agreeing well with the descriptions. "The
black facial stripe reaches quite to the antennz, and the second and third abdominal
bands are gently arcuate. The postalar callosities have no yellow spot; there is no
yellow on the pleurz; and the legs are darker than in S. pictécauda. Bigot. The two
species are suspiciously alike.
22 DIPTERA.
3. Sphzrophoria ?
Female. Front shining black, on the lower two-thirds yellow along the orbits. Antennze reddish-yellow, black
on the upper border of the third joint. Face yellow; sometimes a brownish spot on the tubercle.
Mesonotum shining bronze-green ; the yellow of the margins truncate at the suture; postalar callosities
yellow. Scutellum yellow, somewhat reddish on the disc. Pleure and metanotum shining blue, with
three or four yellow spots. Abdomen black; the sides of the first scgment, a straight band on the
second segment, and a gently arcuate band on the third segment yellow ; the yellow of the fourth segment
consists of two slender rectangular spots, bordering the front margin, and separated by a narrow space
along the middle— within the rectangular space an oval oblique spot, contiguous with the posterior ramus ;
fifth segment with four longitudinal spots, more or less blended in front. Legs light yellow, the hind
tibie at the base and tip, and the hind tarsi light brownish. "Wings nearly hyaline.
Male. Frontal triangle with a shield-shaped black spot. The oblique spots of the fourth abdominal segment
larger, and more broadly blended with the posteriorly directed stripe, the whole partly or entirely sepa-
rated from the basal yellow interrupted band. Hypopygium small.
Length 6-8 millim.
Hab. MExico, Omilteme 8000 feet, Amula 6000 feet, and Acaguizotla 5500 feet, all
in Guerrero, Cuernavaca (H. H. Smith).
'Two males and six females.
4. Sphzrophoria ?
JMale. Face and frontal triangle yellow, the former with a black stripe, the latter with a small black spot.
Mesonotum deep green, but little shining; lateral stripe truncate at the suture; a yellow spot on the
postalar eallosities. Pleurs shining blue-black, with a yellow spot above. Abdomen opaque black; the
margins of the incisures, except of the first, shining; first segment with yellow sides; second segment
with an interrupted band, connected on the lateral margins with the yellow of the first segment; third
and fourth segments each with a broad, nearly straight, yellow band; fifth segment yellow, save a trans-
verse shining black spot behind. Hypopygium small. Legs yellow ; coxz black; hind femora with a
- broad brown ring; hind tibize, except the base, and the hind tarsi brown. — Wings nearly hyaline.
Female. Faee and front yellow, the latter black on the upper part. First abdominal band not interrupted by
& slender line.
Length 8 millim.
Hab. Mzxico, Xucumanatlan 7000 feet (H. MH. Smith), Ciudad in Durango,
8100 feet (.Forrer).
Two specimens.
I feel confident that the male and female specimens here described are of the same
species, notwithstanding the absence of the black facial stripe in the latter. How great
other variations may be, I, of course, cannot say, but I suspect that a large number of
specimens may show not a few.
5. Sphzrophoria ?
Female. Face yellow, with & broad black stripe. Antennsw brown, the third joint largely yellowish-red.
Front black, the sides on the lower half yellow ; rather broad above. Mesonotum dark green, but little
shining ; lateral stripe truneate at the suture; a spot on the postalar callosities. Scutellum yellow.
the extreme edge brown. Abdomen opaque black, with the incisures shining; sides of the first segment,
an interrupted band on the second, and a complete band on the third, fourth, and fifth segments
yellow; the three posterior bands have the hind margin bilaterally oblique, straight, and angulated
SPHJEROPHORIA. 23
in the middle. Legs black or blackish ; the. four anterior femora, except the base, and their tibiz
brownish-yellow.
Length 10 millim.
Hab. Mzxico, Orizaba (H. H. Smith).
6. Sphzerophoria ——? |
Hab. Mxxico, Ciudad in Durango (Forrer).
A single specimen (female) differs from the preceding in the face being without a
black stripe (there is a minute crescentic spot above the oral margin), in having the
first two joints of the antennz more broadly red, the front narrower above, the legs
wholly yellow, and, perhaps, in the narrow interruption of the fourth abdominal band.
A second female specimen, agreeing otherwise perfectly with this, has a blackish
stripe in the middle of the face.
lam unable to identify any of the following species of Spherophoria described by
Bigot :— |
Sphaerophoria rostrata, Bigot, Ann. Soc. Ent. Fr. 1884, p. 102.—Mexico.
nasuta, Bigot, loc. cit. 1884, p. 103.—Mexico. - ^.
nasuta, Bigot, loc. cit. 1888, p. 253.—Mexico *. - ^
— — írilimbata, Bigot, loc. cit. 1888, p. 253.— Mexico.
pachypyga, Bigot, loc. cit. 1884, p. 104.—Mexico. - - -.
f'ulvicauda, Bigot, loc. cit. 1884, p. 104.—Mexico. - .::
Tt is not impossible that S. rostrata belongs to the species described above under no. 3,
and that some of these names do not indicate different species.
* Bigot has several times made this error of using the same specifie name in a genus for different
species. I have also observed the following :—
Eristalomyia calomera, Bigot, Ann. Soc. Ent. Fr. 1880, p. 229—8South America ; id. op. cit. 1883, p. 337—
South America.
Orthonevra varipes, Bigot, op. cit. 1880, p. 150— Persia ; id. ibid. 1885, p. 249—9Mt. Caucasus.
Ocyptamus fuscicolor, Bigot, op. cit. 1884, p. 116—New Caledonia; id. ibid. 1885, p. 252—New
Caledonia.
Sargus pallipes, Bigot, op. cit. 1879, p. 222 —Ceylon; id. ibid. 1887, p. 28—North America, Mt. Hood,
(The name in both cases is preoccupied.)
24 DIPTERA.
MESOGRAMMA.
Toxomerus, Macquart, Dipt. Exot. 5* Suppl. p. 92 (1855).
Mesogramma, Loew, Centur. vi. p. 47 (1865); Berl. ent. Zeitschr. 1865, p. 157.
Mesograpta, Loew, Centur. x. p. 290 (1872) ; Berl. ent. Zeitschr. 1872, p. 114.
I have restored the name JMMesogramma in place of Mesograpta, as the change was
arbitrarily made by Loew on the plea that Jesogramma had been used for a genus of
plants. As zoologists admit no conflict between zoological and botanical terms, the
change cannot be consistently accepted.
'The remarks under Spherophoria are yet more applicable here. I do not wish to
add to the confusion already unnecessarily increased by Bigot, and so refrain from
adding new names for others to puzzle over.
Synopsis of the recognized, Central- American Species. .
. Seutellum yellow . . . .
Scutellum black, with or without a yellow border.
. Abdomen with a yellow lateral margin
Abdomen not margined with yellow . . . .
. Second, third, and fourth abdominal segments with the anterior
margin, a median stripe, and a pair of oblong, sometimes
confluent, spots, yellow. (8-9 millim.) .
Abdomen not so marked .
. Abdominal bands straight, uniform
9
9.
marginatum, Say.
3.
politum, Say.
4.
Sp. (no. 8).
Abdominalbands irregular . . : . . . . . . . . . ? mutuum, Say.
5. Lateral margins of the mesonotum with a complete yellow
stripe A uorum rr um Ay uS E
Humeri, and sometimes the postalar callosities, only, yellow . 8.
. Larger species (8-9 millim.); fourth abdominal segment with
a narrow anterior margin and median stripe, and a slender
oblique spot, contiguous with the lateral margin, yellow .
Smaller species. (5-7 millim.)
. Mesonotum deep shining black, with cinereous line and lateral
saphiridiceps, Bigot.
"
4.
7
stripe r'acereupC. WYR ox a x c4 x! 6 lee I ue Bp. (6, OX.
Mesonotum olivaceous or reddish, subopaque- between the -
cinereous line and the lateral stripe pallipes, Bigot.
8. Second abdominal segment shining black (d). Sp. (no. 4).
Second abdominal segment with an opaque black spot . Sp. (no. 5).
1. Mesogramma saphiridiceps.
Mesograpta (?) saphiridiceps, Bigot, Ann. Soc. Ent. Fr. 1884, p. 105 '.
Hab. Mxxico!, Xucumanatlan 7000 feet, Omilteme 8000 feet (H. H. SmitA).
MESOGRAMMA. 25
This striking species is readily recognizable from Bigot's description. "The front and
middle tarsi are yellow at the base, and the hind pair is black ; the hind femora and
tibi are in great part brownish. The face may wholly want the dark spot, and the
front of the female has no purple. The male vertical triangle is elongate and narrow,
shining purple behind.
2. Mesogramma politum.
Sceva polita, Say, Journ. Acad. Phil. iii. p. 88! ; Complete Writings, ii. p. 77 ?.
Syrphus politus, Say, Amer. Ent. i. t. 11. f. 8*; Complete Writings, i. p. 24*; Wiedem. Aussereur,
zweifl. Ins. ii. p. 132 *.
Mesograpta polita, Willist. Synopsis N.-Am. Syrphidze, p. 98 5; Riley & Howard, Insect Life, i.
p.4*.
Syrphus cingulatulus, Macquart, Dipt. Exot. 4* Suppl. p. 155 *.
Syrphus hecticus, Jznnicke, Neue exot. Dipt., in Abh. Senck. Ges. vi. p. 998*.
Hab. UNrrgp SrATES 1 ?, Pennsylvania?, Connecticut $, Georgia ?, North Carolina 8,
Kansas, Illinois?, Florida *. — Mkxico, Acaguizotla 3500 feet, Amula 6000 feet,
Chilpancingo 4600 feet, Hacienda de la Imagen 4000 feet, Venta de Zopilote 2800 feet,
Tierra Colorada 9000 feet, and Dos Arroyos 1000 feet, all in Guerrero, Teapa in
Tabasco (H. H. Smith), Temax in North Yucatan (Gaumer).—Cusa 9.
Seventy-five examples. "They agree closely with specimens from the United States.
3. Mesogramma marginatum.
Sceva marginata, Say, Journ. Acad. Phil. iii. p. 99'; Complete Writings, ii. p. 80*.
Syrphus marginatus, Wiedem. Aussereur. zweifl. Ins. ii. p. 146 ?.
Mesograpta marginata, O. Sacken, Cat. Dipt. 2nd ed. p. 125^; Willist. Synopsis N.-Am. Syrphidz,
p. 100 *.
Syrphus quintius, Walker, Ins. Saunders., Dipt. p. 239 *.
Mesograpta (Y) circumdata, Bigot, Ann. Soc. Ent. Fr. 1884, p. 107 ".
Hab. NogrH AuEnRICA! ? 9, Atlantic, Southern, Middle, and Pacific States?, Atlantic
States and California *. —M Extco 7, Amula 6000 feet, Omilteme 8000 feet, Chilpancingo
4600 feet, Mexico city, Cuernavaca in Morelos, Teapa in Tabasco (H. H. Smith),
Orizaba (H. H. Smith and F. D. Godman).
Fifteen specimens. Three males have the scutellum black in its middle. The
vertical triangle is unusually large in this species.
E , yi £ Aa
4. Mesogramma —— ?
Male. Face, frontal triangle, and antenne yellow ; cheeks black. Vertical triangle large, broad, elongate, shining
purple. Mesonotum somewhat bluish or bronze-black, more shining towards the sides; median line
whitish ; margins without yellow stripe; a round spot on the humeri, and rarely an indistinct one on
the postalar callosities, yellow. Seutellum shining metallescent black, without yellow. Abdomen elon-
gate; first two segments shining black; the other segments brown and red, sometimes darker, sometimes
BIOL. CENTR.-AMER., Dipt., Vol. III, December 1891. e
26 DIPTERA.
more yellowish with feebly indicated markings. Legs rather stouf, variable in colour, the four anterior
femora often largely black, the hind femora usually in great part black; tibie and tarsi brown and
yellow.
Fmmale. Front narrow above, shining blue-black, the sides below yellow. Face with a broad black stripe.
Abdomen shining black ; second segment with two small yellow spots ; third, fourth, and fifth segments
each with a pair of oblique yellow spots on the anteriorhalf. Legs yellow ; four anterior tarsi brownish ;
hind femora with a preapical brown ring; hind tibie with a sub-basal and a preapical brown ring; hind
tarsi brown.
Length 5—6 millim.
Hab. Mxxico, Acaguizotla 3500 feet, Chilpancingo 4600 feet, Tepetlapa 3000 feet,
Medellin near Vera Cruz, Teapa in Tabasco (H. H. Smith), Orizaba (.H. H. Smith and
F. D. Godman).
Iam not quite sure that the females here described belong to the same species as
do the males, but I think so. An additional female has the abdomen wholly, and the
hind legs in great part, black. Still another has the sides of the second abdominal
segment yellow, and the hind legs in great part black. The tip of the scutellum is
rarely somewhat yellowish.
5. Mesogramma ?
Male. Very similar to the preceding species, but differing in the more prominent face, the narrower vertical
triangle, the black of the hind legs confined to a preapical ring, the less elongate abdomen, and the second
segment with a large oval opaque spot.
Female. Abdomen shining blue-black ; second segment with an opaque black band, not reaching the lateral
margins, in front of which there is a narrow, broadly interrupted yellow band ; third, fourth, and fifth
segments each with three yellow spots or stripes, not reaching the hind margin—the middle one of which
is more slender, wanting on the fourth, and separated by two linear opaque black stripes,—and on each
side laterally with a larger, rounded, opaque black spot. Face more brownish in the middle; front
narrow above,
Length 5 millim.
Hab. Mxxico, Dos Arroyos 1000 feet, Tepetlapa 3000 feet, both in Guerrero, Vera
Cruz, Atoyac and Medellin in Vera Cruz, Teapa and Frontera in Tabasco (H. H. Smith),
Orizaba (H. H. Smith and F. D. Godman).
6. Mesogramma ?
Male. Vertical triangle very long, narrow, shining purple behind the ocelli, Frontal triangle and face small,
yellow, the latter prominent; antennz yellow ; cheeks black. Mesonotum deep shining black, with a
whitish median line and eomplete yellow lateral stripes. Seutellum shining black, with the margin
broadly yellow. Pleurze shining blue, with a vertieal stripe on the meso- and sterno-pleure yellow.
Abdomen shining yellow and black; first segment narrowly black behind; second segment with the
posterior third black ; third and fourth segments yellow in front and black behind, the demarcation between
the yellow and the blaek irregular and variable in outline; the black on the fifth segment forming three
stripes; hypopygium rather large, shining black. Legs yellow ; hind femora with a preapieal, and the
hind tibie with a median, black ring. Abdomen elongate oval, somewhat narrowed on the second segment.
Alule rudimentary.
Female. Front unusually narrow ; shining purple behind the ocelli, with a median black stripe in front.
Length 6-7 millim.
Hab. Mzxico, Teapa in Tabasco (JJ. H. SmitA).
MESOGRAMMA. 2T
;. Mesogramma mutuum.
Syrphus mutuus, Say, Journ. Acad, Phil. vi. p. 164' ; Complete Writings, ii. p. 358.
Male. Frontal triangle and face small, yellow, the latter prominent; antennze yellow ; cheeks black. "Vertical
triangle of moderate width, rather shining behind. Mesonotum olivaceous-green, opaque ; lateral yellow
stripe complete. Seutellum yellow, the dise somewhat reddish or brownish. Pleurw deep shining blue,
with two or three yellow spots. Abdomen narrow, broadest posteriorly : shining blue-blaek, more or less
opaque in the proximity of the yellow bands; first segment largely yellow in front and on the sides;
second segment with a slender median stripe, uniting posteriorly with a median yellow band; third and
fourth seginents each with an anterior band and a slender median stripe, the band sometimes including two
approximated opaque black spots ; at other times the narrow anterior band shows five posterior prolonga-
tions—the median stripe, the lateral margins, and two oval marks projected towards or blended with the
median stripe; fifth segment black, with an irregular interrupted band in front. Legs yellow; hind
femora and tibi: with brownish rings; hind tarsi brown. — Alule of wings rudimentary.
Female. Front narrow, shining black, with the sides below yellow; the linear stripes of the abdomen more
or less obsolete. !
Length 5-7 millim.
Hab. MExico !, Mexico city, Cuernavaca (H. H. Smith), Orizaba (H. H. Smith and
F. D. Godman), Patzcuaro (F. D. Godman).
Twenty-eight specimens.
I believe that this is Say's Syrphus mutwus, but I have thought it worth while to
give a fuller description. It is possible, however, that the following (8) may be the
true M. mutwum.
8. Mesogramma ?
Very similar to the preceding species, and perhaps not really distinet from it. It differs distinetly, however,
in the abdomen being shorter and more oval, and with broad straight yellow bands, leaving narrow
posterior brown or brownish bands, and indefinite brownish spots corresponding to the opaque black spots
of the preceding species.
Length 5-7 millim.
Hab. MExico, Teapa in Tabasco (H. H. Smith).
Three other specimens, from Acaguizotla, Tepetlapa, and Orizaba, differ still further
in the abdomen having broad straight yellow bands, leaving only narrow brown or
blackish bands between them.
9. Mesogramma pallipes.
Mesograpta (?) pallipes, Bigot, Ann. Soc. Ent. Fr. 1884, p. 106 '.
Hab. Mxxico!, Xucumanatlan 7000 feet, "Tierra Colorada 2000 feet, both in
Guerrero, Teapa in Tabasco (JA. /7. SmitA).
A number of specimens, among which there may or may not be more than one
species, agree sufficiently well with Bigot's description as regards the abdomen. The
face, however, has a callosity, as in all the other species of the genus, though it is not so
prominent as in some of them. — The mesonotum is subopaque, with a median cinereous
9
€ 3
|
28 X DIPTERA.
stripe, and a sublateral reddish-olivaceous one, and a complete: lateral yellow stripe.
In only one specimen is the band of the second abdominal segment **ondulée"; in
the others it is straight, and not at all interrupted.
The following species have also been described from Mexico :—
Mesogramma ectypum, Say, Journ. Acad. Phil. vi. p. 165; Complete Writings, ii.
p. 359 (Syrphus).—Mexico.
— — lineare, v. d. Wulp, Tidjschr. v. Ent. xxvi. p. 5 (Mesograpta).—Mexico.
bicinctum, Bigot, Ann. Soc. Ent. Fr. 1884, p. 112 (.Mesograpta).—9M.exico.
bistrigum, Bigot, loc. cit. 1884, p. 110 (Mesograpta).—M exico.
heraldicum, Bigot, loc. cit. 1884, p. 109 (Mesograpta).—Mexico.
lacrymosum, Bigot, loc. cit. 1884, p. 108 (Mesograpta).—Meexico, Brazil.
maculatum, Bigot, loc. cit. 1884, p. 111 (Mesograpía). — Mexico, Cuba,
Brazil.
mu, Bigot, loc. cit. 1884, p. 105 (JMesograpta).——Mexico.
trilobatum, Bigot, loc. cit. 1884, p. 109 (.Mesograpta).—M exico.
quinquecinctum, Bigot, loc. cit. 1888, p. 254 (Mesograpta).—— Mexico.
quinquemaculatum, Bigot, loc. cit. 1888, p. 254 (Mesograpta).—M exico.
Certain specimens here considered as belonging to J. mutuum would agree well
with the description of JJ. ectypum, save for the * tergum black, edged all round with
yellow ; second segment with two yellow dots."
SALPINGOGASTER.
Salpingogaster, Schiner, Reise der Novara, Diptera, p. 344 (1868).
Synopsis of the Central- American species.
1. Red and yellow species; legs in great part yellow |. . . . 2.
Blaek species; legs in great part black . . . . . . . . 89.
2. Legs wholly yellow (female). . . . . . . . . . *« . gygophora, Schiner.
arsi and hind legs in part black . 00.5. 5. 5. . Colhurnata, Bigot.
8. Sides of the metanotum with a yellow spot; a projection of
the brown anterior border running back over the cross-veins
ofthe wings. Length ll milim. . . . . . . . . . limbipennis, sp. n.
Sides of the metanotum without yellow spot; cross-veins not
clouded. Length 15-16 milim. . . . . . . . . . máigra, Schiner.
SALPINOGASTER. 20
1. Salpingogaster nigra.
Salpingogaster niger, Schiner, Reise der Novara, Diptera, p. 344'; Willist. Trans. Am. Ent. Soc.
Xv. p. 270 *.
Salpingogaster anchoratus, Bigot, Ann. Soc. Ent. Fr. 1883, p. 328 *.
Hab. Mxxico?; GuaTEMALA, San Gerónimo 3000 feet (Champion) ; PANAMA, Volcan
de Chiriqui 3000 to 4000 feet (Champion).—SovrH AwERICA !, Brazil 2.
Two specimens, agreeing perfectly with others from Brazil (Chapada) "There can
be no doubt of the synonymy of Bigot's species.
2. Salpingogaster pygophora.
? Salpingogaster pygophora, Schiner, Reise der Novara, Diptera, p. 344'; Willist. Trans. Am. Ent.
Soc. xv. p. 270 *.
Hab. PANAMA, Bugaba 800 to 1500 feet (Champion).—SovrR AwznicA !, Brazil ?.
A single female specimen from Bugaba seems to be of the same species as those
mentioned by me from Brazil (op. cif.). It agrees quite with the male specimen,
except that the seutellum is dark brown across its disc. The front has a median black
stripe; the legs are wholly yellow, the abdomen red, &c.
3. Salpingogaster limbipennis, sp. n., c.
Face and frontal triangle sulphur-yellow on the sides ; a deep blue-black stripe, beginning narrowly at the oral
margin, extends broadly up and around the base of the antenne, so as to nearly fill the frontal triangle.
(Antennz wanting.) Cheeks in front black ; behind, as also the mentum, light yellow, and white-pollinose.
Thorax nearly opaque black; a pair of whitish-dusted stripes in the middle of the mesonotum, not
extending to the hind margin; the humeri, a narrow vertical stripe on. the pleure, extending a short
distance on the sides of the mesonotum, a spot on the postalar eallosities, and a slender vertical stripe on
the sides of the metanotum, sulphur-yellow. Scutellum black, with the base and margin narrowly yellow.
Abdomen black, the second segment and the base of the third somewhat reddish, the hind margins of the
following segments very narrowly yellowish; first segment, except the broad hind margin, light yellow.
Legs blackish- and brownish-red, the tip and base of the tibiz, and the tarsi, the two anterior pairs more
distinetly, black ; hind femora a little thickened, and with numerous short bristly points below. Wings
pure hyaline; the anterior border to the tip dark brown, this colour filling the base of the second basal cell
and extending across the cross-veins as a narrow projection to the base of the last posterior cell.
Length 11 millim.
Hab. Mxxico, Amula in Guerrero 6000 feet (H. H. Smith).
"wo specimens.
4. Salpingogaster cothurnata.
Salpingogasler cothurnatus, Bigot, Ann. Soc. Ent. Fr. 1888, p. 329 ',
Hab. Mxico !.
Unknown to me.
90 DIPTERA.
OCYPTAMUS.
Ocyptamus, Macquart, Hist. Nat. Ins. Dipt. i. p. 554 (1834).
1. Ocyptamus funebris.
Ocyptamus funebris, Macq. Hist. Nat. Ins. Dipt. i. p. 554'; Dipt. Exot. ii. 2, p. 105, t. 19. f. 2*;
Schiner, Reise der Novara, Diptera, p. 346*; Bigot, in Ramon de la Sagra's Hist. fis. polit. y
nat. de Cuba, vii. Ins. p. 838 *; v. d. Wulp, Tijdschr. v. Ent. xxvi. p. 9^; Willist. Trans.
Am. Ent. Soc. xv. p. 265 *.
Hab. Mxxico, Venta de Zopilote, Xucumanatlan, Amula, Acaguizotla, Tepetlapa,
and Rio Papagaio, all in Guerrero, Cuernavaca in Morelos, Atoyac in Vera Cruz
(H. H. Smith), Santiago Iscuintla in J alisco (Schumann).—SovTH AMERICA, Brazil ! ? 5 6;
CvBA 4; TENERIFFE ! 7.
Numerous specimens. This species differs from O. fuscipennis (Say) in the larger
size, the more pure bronze of the thorax, and the more uniform blackish tinge of the
wings, the latter with a less distinct hyaline space ; the abdomen of the male is wholly
shining, not black, From the description, one cannot feel assured that O. infuscatus,
Bigot, is really distinct from O. funebris.
2. Ocyptamus dimidiatus.
Syrphus dimidiatus, Fabr. Spec. Ins.ii. p. 434^; Ent. Syst. iv. p. 810^; Wiedem. Aussereur.
zweifl. Ins. ii. p. 140 *.
Sceva dimidiata, Fabr. Syst. Antl. p. 254*.
Ocyptamus dimidiatus, v. d. Wulp, Tijdschr. v. Ent. xxvi. p. 10; Willist. Trans. Am. Ent. Soc.
xv. p. 265 *.
Baccha dimidiata, Willist. Synopsis N.-Am. Syrphidze, p. 120, t. 5. f. 10".
Hab. Mxxico, Tierra Colorada 2000 feet, Rio Papagaio 1200 feet, Venta de
Zopilote 2800 feet, Acapulco, Rincon 2800 feet, all in Guerrero, Cuernavaca in
Morelos, Aitoyac in Vera Cruz, 'Teapa and Frontera in Tabasco (H. H. Smith),
Temax in North Yucatan (Gawmer).—SovurH AMERICA, Brazil?; Wsr IwDiEs ! ??*,
San Domingo ", Guadaloupe?.
Numerous specimens. The males differ in having the outer part of the wings much
less hyaline.
3. Ocyptamus trigonus.
Syrphus trigonus, Wiedem. Aussereur. zweifl. Ins. ii. p. 126 '.
Ocyptamus trigonus, Schiner, Reise der Novara, Diptera, p. 346^; Willist. Trans. Am. Ent. Soc.
xv. p. 265 *.
Baccha torva, Willist. Synopsis N.-Am. Syrphids, p. 124 *.
Hab. UxrrED SrATES, Texas *.—M Exico, Dos Arroyos 1000 feet, Xucumanatlan 7000
[2]
OCYPTAMUS.—-BACCHA. 9l
feet, Venta de Zopilote 2000 feet, all in Guerrero (H. H. Smith), Temax in North
Yucatan (Gaumer).—SovrR AwEnICA, Colombia 2, Brazil ! 2,
Ten specimens, all females. It is not at all improbable that the hitherto unknown
male will be found to be identical with those described on p. 17 as S'yrphus, no. 8.
The following species have been described by Bigot :—
Ocyptamus infuscatus, Bigot, Ann. Soc. Ent. Fr. 1883, p. 324.—Mexico.
fraternus, Bigot, loc. cit. p. 324.—Mexico.
fenestratus, Bigot, loc. cit. 1885, p. 251.— Mexico.
BACCHA.
Baccha, Fabricius, Syst. Antl. p. 199 (1805).
Synopsis of the recognized Central- American species.
. Alulz small or rudimentary ; slender species (except /uctuosa)
Alulz of the usual size . ] "CD
. Face in profile strongly projecting, fori nearly a straight
edge with the front to the oral margin .
Profile of facereceding . . . . . . 4
. Face in profile nearly straight and sosedii bom the antenne
to the oral margin; not atalltuberculate . .
Face with a well-developed tubercle .
. Thorax metallie black ; smallspecies . . . . . . .
"Thorax in great part red .
. Wings much shorter than the abdomen, hyaliae, with a pem
stigma ; front of female with fine transverse wrinkles ;
abdomen very slender :
Front of female without transverse wrinkles . :
. Anal angle acuminate, with a concave basal border; M
and pectus yellow . . . . — , "EE
Basal border of anal angle convex; pectus, at X east metallic
blue-black
. Wings yellowish, with the ehe tiosdor indeinitdy "Mhos
or brownish .
Wings uniformly deep yelovish TR ocelli remote s droin
vertex.
Wings hyaline, ith the interior borde? definitely Bark
brown. 4 . « 6 . 9 9 0 € 9 om o on
9
Ds
8.
nasuta, sp. n.
3.
4.
T
9.
gracilis, sp. n.
rubida, sp. n.
stenogaster, Willist.
6.
attenuata, sp. n.
ril
punctifrons, sp. n.
luctuosa, Bigot?
laudabilis, sp. n.
92
10.
11.
12.
13.
14.
15.
16.
DIPTERA.
. Antennze elongate, the first joint longer than the third; front
tarsi of female flattened .. . . . . « « * « s *
First antennal joint short .
. Yellowish species; front with a more or less pronounced
antenniferous projection, marked with a round black spot ;
front of female narrow above; mesonotum (except the
sides) with its ground-colour black, but the black more
or less concealed beneath ochraceous pollen ; legs yellow,
the hind femora or tibie more or less brownish or
blackish c 4 77. € 0 0x o e 0$ 09 e, 9D 9 eso Won
Species in great part black . -
Black stripes of mesonotum conspicuous; very large species ;
wings brownish-yellow . . . - * -* - Lua
Black stripes of mesonotum inconspicuous, güostly Stsedia
beneath light pollen; smaller species; wings more or less
hyalinedistally . . . -- P AD dy
Face, the four anterior tibi, " the hind PES light
yellow ; wings brown along the costa ; pue species
Species not so marked . . . s
Face projecting, yellow, with a back stipes wings brains:
with the subeostal (and costal, :) cells brown
Face not projecting .
'l'ip of the hind metatarsi and he iollowini joints silgwishs
white; wings strongly blackish throughout (3), or with
the distal part behind subhyaline (9) . € 5
Distal joints of hind tarsi not yellowish-white n
Third and fourth abdominal segments each with two pairs of
yellow dots, the anterior ones remote, the posterior pair
approximate ; legs wholly black ; wings brown at the base,
hyaline (d) or subhyaline distally ( 9) .
Species not so marked , :
Wings somewhat brownish in front ; abdadieit srith ysllou
bands ; mesonotum metallic bronze-green . 1
Abdomen opaque and shining metallie, without yellow
Wings hyaline, with the subcostal cell brown; second and
third abdominal segments with a single triangular opaque
spot, the fourth and fifth segments with three spots
Wings hyaline, with a narrow costal brown border reaching
to the tip ; second abdominal segment with a single spot,
the third and fourth segments with two opaque spots
Wings brownish in front, subhyaline behind; abdominal
segments opaque, with the margins shining; hind meta-
tarsi blackish, the following joints yellow .
conjuncta, Wiedem.
9.
10.
11.
. pheoptera, Schiner.
livida, Schiner.
dolosa, sp. n.
13.
clavata, Fabr.
13.
lugubris, sp. n.
14.
adspersa, Fabr.
15.
ened, sp. n.
16.
concinna ( 9 ), sp. n.
cerulea, sp. n.
concinna ( d), sp. n.
BACCHA.
o5
c2
1. Baccha conjuncta.
Syrphus conjunctus, Wiedem. Aussereur. zweifl. Ins. ii. p. 116 '.
Baccha conjuncta, Willist. Trans. Am. Ent. Soc. xv. p. 267 *.
Hab. Sovra AwERICA !, Brazil 2.—Mxrco, Atoyac in Vera Cruz (H. H. Smith).
À single female specimen, agreeing well with one from Brazil.
2. Baccha phzoptera.
Bacha pheoptera, Schiner, Reise der Novara, Diptera, p. 342 '.
Baccha pheoptera, Willist. 'Trans. Am. Ent. Soc. xv. p. 267 *.
Hab. Mxxico, Venta de Zopilote 2800 feet, Xucumanatlan 7000 feet, and Amula
6000 feet, all in Guerrero, Atoyac in Vera Cruz, Teapa in Tabasco CH. H. Smith)
GUATEMALA, San Gerónimo (Champion).—SovrH AxERICA 1, Brazil 2.
3
Twenty-five specimens, agreeing closely with others from Brazil A single male
example from Guatemala differs markedly from the rest in the shape of the abdomen,
which is shorter and more spatulate, the second segment being only a little longer than
the width of the third behind.
3. Baecha livida.
Bacha livida, Schiner, Reise der Novara, Diptera, p. 343 '.
Baccha livida, Willst. 'Trans. Am. Ent. Soc. xv. p. 268*.
Hab. Mxxico, Venta de Zopilote in Guerrero 2800 feet, Atoyac in Vera Cruz (HH. H.
Smith), Temax in North Yucatan (Gaumer).—SovrHR AMERICA !, Brazil ?.
Eight specimens, agreeing well with others from Brazil.
4. Baccha clavata.
Syrphus clavatus, Fabr. Ent. Syst. iv. p. 298 '.
Baccha clavata, Fabr. Syst. Antl. p. 200^; Wiedem. Aussereur. zweifl. Ins. ii. p. 94?; Willist.
Trans. Àm. Ent. Soc. xv. p. 270*.
Bacha clavata, Schiner, Reise der Novara, Diptera, p. 341 *.
Baccha babista, Walk. List Diptera, ii. p.549*; Willst. Synopsis N.-Am. Syrphide, p. 1ll7,
t.-4. f. 9". pa
Baccha facialis, Thomson, Eugen. Itesa, Ins. p. 504".
Spazigaster bacchoides, Bigot, Ann. Soc. Ent. Fr. 1888, p. 326".
Hab. NonvH AMzniCA ?, Georgia ? 7, Florida *, Arizona ?, California ".—M Exico (4. H.
Smith).—SovrR AwERICA ??, Galapagos Is.5, Brazil ^; Wksr IwprES! ?.
A. widespread species that seems to occur everywhere throughout North and South
America and theadjoining islands. There are about twenty specimens in the collection,
from different regions of Mexico (41. H. Smit).
BIOL. CENTR.-AMER., Dipt., Vol. III., December 1391. 3
c
Sq
DIPTERA.
5. Baccha adspersa.
Baccha adspersa, Fabr. Syst. Antl. p. 200'; Wiedem. Aussereur. zweifl. Ins. ii. p. 97 ^; Willist.
Trans. Am. Ent. Soc. xv. p. 269 *.
Bacha adspersa, Schiner, Reise der Novara, Diptera, p. 342.
Hab. PANAMA, David in Chiriqui (Champion).—SovrTH AMERICA ! ? *, Brazil ?.
A. single specimen, agreeing with specimens from Brazil.
6. Baccha stenogaster.
Baccha stenogaster, Willist. Trans. Am. Ent. Soc. xv. p. 266 K
Hab. Mxxico, Rincon in Guerrero 2800 feet (H. 4. Smith).—SovTH |. AMERICA,
Brazil !.
A single female specimen from Mexico agrees pretty well with a male from Brazil,
but it has the face wholly yellow (not chiefly metallic blue), the stigma dark brown
(not brownish-yellow), and the hind tarsi brown. The front is shining metallic black,
finely rugose.
7. Baccha rubida, sp.n, « 9. (Tab. L. figg. 8, &; 8«, head in profile; 8 b,
head from in front.)
Alule rudimentary ; last section of the fourth vein and the posterior cross-vein sinuous and oblique. Head
hemispherieal; front and face small, opaque black, covered with ochraceous pollen and light-coloured
pile; front very narrow above in the female; face gently convex transversely, nearly straight and gently
receding from the antenne to the oral margin. Antenn:e yellow, the third joint orbieular. Mesonotum
shining red, the anterior part more or less black; pleure yellowish-red ; scutellum similar in colour to
the mesonotum. Abdomen slender and elongate ; second segment cylindrieal, the abdomen gently spatu-
late beyond ; reddish-brown, the base of the third and fourth segments yellow. Legs yellow; a preapical
ring on the hind femora, tho hind tibi? broadly in the middle, and the hind metatarsi brown ; hind
femora elongate, and gently thickened near the distal end. Wings subhyaline; subcostal cell beyond the
auxiliary vein brown ; narrow, but conspicuous, clouds across the anterior cross-vein and from the first
vein to and over the vein at the base of the last posterior cell; a blackish cloud distally along the
costa.
Length 12-14 millim.
Hab. MExico, Omilteme 8000 feet and Sierra de las Aguas Escondidas 9500 feet,
both in Guerrero (H. H. Smith).
Six specimens.
8. Baccha gracilis, sp. n., & 9.
Face and frontal triangle of the male shining bronze-green, thickly covered (except along the middle of the
triangle) with nearly white dust; in the female the colour is shining blue, concealed beneath nearly white
dust, except a streak along the front and at the vertex. Face gently convex transversely, in profile nearly
straight and gently receding from the antenn:z to the oral margin. Mesonotum shining bronze in the
male, blue in the female. Scutellum blue. Abdomen: firs& segment coloured like the scutellum ; second
segment subopaque black, very slender, and of nearly uniform width; third segment brown or black, with
BACCHA. 95
the base yellow, its width behind in the male scarcely a third of the length (in the female the third
segment may have a yellow median stripe); fourth segment similar in colour to the third, usually with a
more or less complete median yellow stripe; fifth segment of tho female yellowish on the anterior angles ;
hypopygium small, shining black. Legs light yellow; a preapical blackish ring on the hind femora,
and a brown or brownish ring on the hind tibie ; hind metatarsi elongate, somewhat thickened and
infuscated, the terminal joints also somewhat brownish. Wings nearly hyaline, the stigma lightly
brownish.
Length 6-7 millim.
Hab. Mzxico, Omilteme in Guerrero 8000 feet (ZI. H. Smith), Orizaba (JI. H. Smith
and. F. D. Godman).
Four specimens.
Àn additional specimen from Omilteme (male) has the hind legs much more brownish,
the hind tarsi brown, the wings tinged with brownish-yellow, the third abdominal
segment narrower and more slender, and the fourth segment oval or spatulate in
shape.
9. Baccha nasuta, sp. n. « 9.
Front of the female moderately broad above, opaque yellow on the sides, in the middle with a broad opaque-
black stripe or spot acutely emarginate above and below; the vertex shining metallic, the lunula shining.
Frontal triangle of the male opaque yellow, with a large opaque black spot. Face in profile forming
nearly a straight line with the front to the oral margin; the cheeks long and oblique, the head in profile
forming nearly an equilateral triangle. Face yellow, the carinate portion somewhat brownish. Meso-
notum shining bronze; the sides, to the suture, the postalar callosities, scutellum, and pleurse light
yellow. | Abdomen slender, the third segment cylindrieal; brown, with an oblique lateral spot or
V-shaped band on each segment. Legs yellow; tips of the hind femora and tibie and the hind tarsi
brownish. Wings tinged with brownish-yellow, the distal portion of the subeostal cell darker, the tips of
the marginal and submarginal cells blackish; alule small. Antenn:e reddish-yellow ; third joint oval,
blackish above.
Length 9 millim.
Hab. Mxico.
'Two specimens.
This species has something of the facies of a Mesogramma, but the ocelli are not
placed noticeably forward, and the slender abdomen locates it with Baccha.
10. Baccha attenuata, sp. n., & 9.
Face, frontal triangle, front of female, antennz, and cheeks light yellow ; front of female very narrow above ;
third joint of antenns orbieular ; a minute round black dot may be present in the female, just above the
antenns. Thorax light yellow; mesonotum, except on the lateral margins, bronze-black, with two
broad whitish stripes, obsolete posteriorly ; metanotum blackish, the sides of the pectus behind sometimes
brownish. Abdomen slender, as long as the wings, brown and yellow, obscurely marked. Wings hyaline ;
eostal cell yellowish, the subcostal cell dark brown ; tip of marginal and the submarginal cells blackish ;
anal cell narrow, the sixth vein markedly concave; anal angle narrow basally, running to a very acute
| angle, the lower margin concave on the basal half. Legs yellow.
Length 8 millim.
f?
96 DIPTERA.
Hab. Mzxico, Amula 6000 feet and Omilteme 8000 feet, both in Guerrero (H. H.
Smith).
Three specimens.
'The single male specimen has the whole anterior margin of the wing clouded, the
subcostal cell less dark, and the scutellum dark above.
11. Baccha punctifrons, sp. n.,« 9.
Head yellow, a triangular brownish spot on the frontal triangle above ; below, above the base of the antennte,
in both sexes, a round black spot; front of the female very narrow above, black at the vertex, and with
a slender brown stripe, obsolete below. Third joint of the antenne orbicular, somewhat blackish above.
Mesonotum shining bronze, obsoletely striped in the middle; the lateral margins, the scutellum, and a
large part of the pleure yellow ; the pleure; elsewhere shining blue-black. Abdomen dark brown ; third
segment slender, cylindrical; second, third, and fourth segments each with an oblique yellow spot. Legs
yellow; the hind femora with a brown or brownish preapical ring, and the hind tibi; at the tip and the
hind metatarsi more or less brown or brownish. Wings subhyaline, greyish or yellowish, the narrow
eostal border brown or blackish, more diffuse beyond the subeostal cell, more yellow in the costal cell ;
alule rudimentary, the anal angle convex on its lower border basally, and hence not remarkably
acute.
Length 8-9 millim.
Hah. MExico, Amula 6000 feet, Omilteme 8000 feet, Xucumanatlan 7000 feet, and
Sierra de las Aguas Escondidas 9500 teer, all in Guerrero (H. H. Smith).
Six specimens.
12. Baecha laudabilis, sp. n., 9.
Front narrow above, black, yellow on the sides below, and with two small yellow spots above the base of the
antenns. Antenns» nearly black; third joint orbicular. Face yellow, somewhat reddish in the middle ;
cheeks and mentum yellow. |Mesonotum opaque black, with obscure narrow stripes in front ; the narrow
lateral margin and the margiu of the scutellum yellow ; scutellum elsewhere brown. Pleurz blue-black,
lightly whitish-pollinose; mesopleure with a small yellow spot. Abdomen black; second and third
segments cylindrical; first segment on the sides light yellow ; second, third, and fourth segments at the
base on each side with an oblique reddish-yellow spot. Wings hyaline; the costal, subcostal, and mar-
ginal cells (save the base of the marginal) wholly dark brown, the brown extending beyond them and
filling out the first basal cell to the false vein and the submarginal cell, except a long semioval space
beyond the cross-vein. Alule rudimentary.
Length 9—10 millim.
Hab. Mtxico, Sierra de las Aguas Escondidas in Guerrero 7000 feet ( H. H. Smith).
One specimen.
A male example from Amula (alt. 6000 feet, H. H. Smith) has a large shield-shaped
blackish spot on the front, brownish cheeks, brownish-yelow antenne, the lateral
yellow stripes of the mesonotum reaching only to the suture, a large yellow spot on the
pleurge, the terminal abdomiual segments marked somewhat differently, and the brown
of the wings confined to the costal and subcostal cells and the tip of the marginal
and submarginal cells. I doubt its identity.
7
c2
BACCHA.
13. Baccha dolosa, sp.n, d 9. (Tab. IL figg. 7, à; 7 a, head in profile; 7 0,
head from in front.)
Face pure light yellow. — Frontal triangle black, the narrow orbital border opaque yellow, the pile black ; front
narrow above, opaque black, on either side a narrow orbital border ; reaching nearly to the ocelli, opaque
yellow, the pile black ; ocelli situated well forward, beyond which the front is shining metallie. Sides
of face whitish-pollinose. First two joints of the antenn: black ; third joint dark brown, not twice as long
as wide. Orbital cilia white; occiput white-pollinose. "Thorax deep blue-black, but little shining, with
four feebly apparent black stripes. Seutellum yellowish-brown, its base narrowly light sulphur-yellow :;
a row of depressed white hairs on the margin. Abdomen brown and blaek, with some bluish reflections :
a spot on either side of the base of the second segment, and a. basal fascia on the third, yellow ; second
segment elongate, its width distally a little more than half the width of the distal end of the next
segment. lliypopygium and tip of female abdomen red. Legs deep brown or black ; the four front tibi:
and the hind metatarsi and the following jointlight yellow. ^ Wings: in the male the subcostal cell and
the tip of the marginal and submarginal cells brown ; in the female the costal cell also, and the larger
part of the marginal cell, extending across the third vein, at the base, brown; the wings elsewhere
nearly hyaline.
Length 14—15 millim.
llab. MEgxico, Omilteme 8000 feet, Xucumanatlan 7000 feet, and Amula 6000 feet,
. all in Guerrero (A. f. Sinith) ; GUATEMALA, Cerro Zunil 4000 to 5000 feet (Champion).
Five specimens.
14. Baccha lugubris, sp. n., « 9.
Male. Frontal triangle blue-black, somewhat shining, with black pile; lunule red, with a black spot in the
middle. Antennes brownish-blaek ; third joint gently oval. Face in the middle steel-blue, on the sides
yellow, covered with whitish pollen. Mesonotum shining bronze or brownish-bronze; scutellum coloured
like the mesonotum or somewhat yellowish. Pleurw shining blue, in the middle somewhat yellowish and
covered with whitish pollen. Abdomen slender, the second segment cylindrical; opaque or subopaque
black, the base or anterior angles of segments 2-4 red, the posterior margins of the second and third
segments, and the first segment, more shining, often blue. Legs reddish-brown, the front pair and the base
of the middle tibiz& more reddish or yellowish ; the hind tibi; and the basal two-thirds of the hind meta-
tarsi black, the remainder of the hind tarsi light yellow. — Wings strongly blackish, less intense on the
posterior part.
Female. Front very narrow above, opaque or subopaque black, with the vertex and sides below shining blue:
pile black. Abdomen less slender. Wings with a large subhyaline triangular space on the outer
posterior part.
Length 11-14 millim.
Hab. MExico, Venta de Zopilote 2800 feet and Chilpancingo 4600 feet, both in
Guerrero, Atoyac in Vera Cruz, Teapa in Tabasco (H. H. SmitA).
'Twenty-two specimens.
15. Baecha znea, sp.n. &. (Tab. I. figg. 10, &; 10, head.)
Face shining bronze, elothed upon the sides with white pollen ; frontal triangle shining black, on the margins
covered with yellowish pollen. Antennz red; third joint broadly black above, in shape elliptical, about
twice as long as broad. Mesonotum and scutellum shining bronze-green; pleurc more bluish-bronze, with
white pollen in the middle. Abdomen: second and third segments opaque black, with the base and sides
shining and the base red ; fourth segment shining, the base with a red or yellow cross-band ; Bfth segment
and hypopygium shining, somewhat metallie, black ; second segment flattened-cylindrical, a little more
38 DIPTERA.
than twice as long as broad. Legs yellow ; the hind femora, except the tip, and the hind tibiz, except. the
base and tip, brown. Wings subhyaline; the suboostal cell beyond the auxiliary vein brown ; the distal
part of the wing, especially before the third vein, clouded with blackish. -
Length 10-12 millim.
Hab. Mzxico, Sierra de las Aguas Escondidas in Guerrero 9500 feet (H. H. Smith).
Two specimens.
16. Baecha ccrulea, sp. n., & 9.
Female. Deep steel-blue, shining. Front moderately narrowed above, the vertex shining purple, this colour
extending down as a slender median stripe; front elsewhere lighter metallie blue; pile black. Face
bluish-black, with whitish dust; a small red spot on the sides below. Antenne brownish-red ; third joint
alitle longer than wide, broadly black above. Mesonotum bluish-black, feebly striped. Pleure with
white pile. Abdomen only alittle narrowed towards the base, the second and third segments of about
equal length and about as broad as long ; second segment with a semilunar eross-band, and the third and
fourth segments each with a pair of large triangular spots, separated by a line, opaque black ; dorsum with
sparse, white, short, eurved hairs. Wings hyaline; a narrow dark brown border extending from the base
to the tip of the costal vein, a little broader in the submarginal cell, and with a slight projection at the
origin of the third vein; the costal cell lighter-eoloured. Legs: femora black or dark brown, their tips or
distal parts and the four anterior tibie and the metatarsi brownish-yellow, the tarsi, otherwise, aud the
hind tibie& brown ; hind metatarsi lighter yellow, elongate and but slightly thickened.
Male. Eyes with the facets much larger above, a horizontal line near the middle. Frontal triangle somewhat
bronze-coloured in the middle; pile black. Face without the red spot on the sides below. | Mesonotum
more brownish or bronze-eoloured. Band of the second abdominal segment larger; the remainder of the
abdomen opaque, save the narrow margins of the segments.
Length 7-9 millim.
Hab. Mxxico, Amula 6000 feet, Xucumanatlan 7000 feet, Omilteme 8000 feet, and
Sierra de las Aguas Escondidas 9500 feet, all in Guerrero (H. H. Smith).
Four specimens.
17. Baccha concinna, sp. n., « 9.
Front of the female much narrowed above, shining blue-black, whitish-pollinose, shining black below. Face
narrow, blue-black, the orbital margins narrowly yellow, whitish-pollinose. Antennsz red ; third joint
short ovate, obtusely pointed, black above. Frontal triangle blue-black, thinly pollinose. Mesonotum of
the male deep blackish-brown, more shining bluish on the lateral margins; mesonotum of the female
more shining blue, with two or four narrow brown stripes in front. Scutellum coloured like the meso-
notum. Pleure more shining blue. Abdomen moderately narrowed at the base, not slender—in the
male opaque black, with the first segment, the broad anterior angles of the second, third, and fourth
segments, and the fifth segment and small hypopygium shining blue-black; in the female the opaque
black forms a subtriangular spot on the second segment, a larger triangular one on the third, three spots
on the fourth, and two or three streaks on the fifth. Legs blackish ; the tip or distal part of the femora
and the base of the hind tibize yellow, the four anterior tarsi and the distal part of the four anterior tibim
somewhat brownish-yellow ; hind tarsi of the male, except the basal two thirds of the metatarsi, yellow.
Wings hyaline or nearly so; in the male with the costal, subeostal, and the basal part of the marginal
cells yellowish-brown ; in the female with the subcostal cell only brown.
, Length 8-9 millim.
Hab. Mgxico, Chilpancingo 4600 feet and Venta de Zopilote 2800 feet, both in
, Guerrero, Teapa in Tabasco (H. H. Smith).
BACCHA. 29
One male and two females.
I describe the male and female specimens above as belonging to one species, but it is
possible that they are distinct. In addition to the differences noted in the wings and
hind tarsi, the female has the abdomen distinctly more slender basally, while the reverse
should be the case; the abdomen in the female distally is covered with sparse recumbent
short white hairs, while the covering of the male is black pie. "Themale also has the
wings more yellowish.
The male differs from the same sex of B. cerulea chiefly in the eye-facets above not
being enlarged, in the more spatulate abdomen, without the white hairs, in the absence
of the clouds at the ends of the marginal and submarginal cells, and in the colour of
the hind tarsi. The female is best distinguished by the very narrow tront above.
18. Baecha luctuosa.
Baccha luctuosa, Bigot, Ann. Soc. Ent. Fr. 1883, p. 334^.
Hab. Mkxico !.
It is possible that a female specimen from Caché, Costa Rica (-Rogers), may be of
the same species as the male described by Bigot from Mexico. I therefore give à
description of it :—
Front much narrowed above; black, on the sides below red ; pile black. Antenns red; third joint orbicular,
brownish above. Face yellow. Mesonotum blackish-brown, with marked purple and bronze reflections,
the lateral margins yellow. Pleurz shining blue, largely yellow in front. Scutellum subtranslucent
reddish-yellow. — Abdomen deep blackish-brown, with marked purple reflections, only a little narrowed at
the base; first segment yellow on the sides ; second segment with a narrow band; third segment with a
pair of small yellow triangles; fourth segment with a pair of yellow V-shaped spots, the angles of which
are obtuse and the inner subparallel rami longer than the outer ones; fifth segment with two yellow
stripes. Legs and cox: light yellow ; hind femora and tibiz, save the knees, brown. Wings uniformly
deep yellowish-brown; alul: rudimentary.
Length 9 millim.
The oceli are remote from the vertex, as in the genus Jesogramma, and the
species otherwise is a rather aberrant Zaccha.
The following species have also been recorded from within our limits ;—
DBaccha lineata, Macq. Dipt. Exot. l" Suppl. p. 139, t. 20. f. 5.— Texas or
Yucatan. | AM
marmorata, Bigot, Ann. Soc. Ent. Fr. 1883, p. 333.— Mexico.
B. lineata may be synonymous with P. livida, Schiner.
40 DIPTERA.
MYIOLEPTA.
Myolepta, Newman, Ent. Mag. v. p. 378 (1858).
Xyloteja, Rondani, Dipt. Ital. Prodr. ii. p. 96 (1857).
1. Myiolepta auricaudata, sp.n. s 9. (Tab. L. figg. 1l, 4; lla, head;
11 5, hind leg.)
Male. Allied to M. strigilata, Loew. — Body clothed with sparse white or yellow tomentum, this being longer,
dense, and brassy on the terminal abdominal segments. Vertical triangle long, opaque white in front ;
contiguity of the eyes short. Face and front clothed with dense white pollen and some golden tomentum
on the frontal triangle; a broad, shining, bare spot above the base of the antenne; a transverse band on
the face, extending down on the tubercle, and the cheeks also, bare and shining black. 'Tomentum of the
mesonotum golden-yellow, arranged in indistineb rows. Second abdominal segment and the anterior part
of the third with the tomentum more sparse, apparently bare in certain lights; on the posterior part of
the third segment and on the fourth the tomentum is longer, dense, bright brassy-yellow, concealing the
ground-colour. Legs black; the base of the middle and hind tibise, the middle metatarsi, and the hind
metatarsi in part, light yellow or white; femora thickened and with spinules below. — Wings subhyaline,
clouded with brownish distally.
Female. Front black, with sparse white tomentum and two small, oval, white-pollinose spots on each side ; face
shining black, with an infra-antennal band and a narrow stripe from the eye to the oral margin white-
pollinose. "Tomentum of the mesonotum more white.
Length 6—7 millim.
Hab. Mzxico, Xucumanatlan in Guerrero 7000 feet, Cuernavaca in Morelos (7. H.
Smith).
Two specimens.
Apart from the striking difference of the tomentum on the abdomen, this species
differs from M. strigilata (female) in the front being narrower above, and in the darker
antennz, the absence of facial spot, darker legs, &c.
RHINGIA.
Rhingia, Scopoli, Ent. Carniol. p. 358 (1763).
1. Rhingia nigra.
Rhingia nigra, Macq. Dipt. Exot. 1* Suppl. p. 133, t. 11. f. 10.
Hab. Mxxico, Teapa in Tabasco (7. H. Smith).—Sovru AMERICA, Colombia !.
PHALACROMYIA.
Phalacromya, Rondani, Studi Ent. p. 67 (1848).
Synopsis of the recognized Central- American species.
l. A distinct transverse impression before the tip of the scutellum . 2.
Seutellum convex throughout . y d ur « 4o" ao 14" CM
2. Light-coloured species; scutellum with strong bristles on the
lateral margins . . . . . . «4 «4 «4 s e. s. e. n .— Virescens, sp. n.
PHALACROMYIA. 41
Dark-eoloured small species |... . . 5... . ls bellula, sp. n.
3. Epistoma much produced ; proboscis longer thau the femora . . 4.
Epistoma but little produced ; proboseis not longer than the
femora; greenish species . . . . . . . . . . . .. vaga, Wiedem.
4. Yellowish-red species; mesonotum without black . . . . . , pulchra, sp. n.
Yellow species; abdomen banded with black; mesonotum with
Dlok diripes is coi v e Lo sw £4 ate ak QU uta pica, Schiner.
1. Phalacromyia pulchra, sp. n., « 9.
Phalacromyia pulchra, Verrall, in litt.
Translucent amber-coloured. Front narrow ; pile black. Antenn:z about one third the length of the face,
red; the third joint broader at its base, and with a long shallow emargination beyond, less dilated at the
base in the female; arista thinly plumose. Face projeeting strongly forwards into a long slender cone ;
theline of the cheeks below forms a gentle curve, and is about as long as the hind femora; in colour
more yellowish ; on either side a brownish stripe running from the eye to the oral margin. Proboscis
long, with long labella. Mesonotum shining red, thinly yellwish- and blackish-pilose ; pleurs a little
lighter-coloured ; pectus black. Sidesof the mesonotum and margin of the seutellum with well-developed
bristles. .À narrow band on the posterior margin of the second abdominal segment and a broader one on
the hind part of the third, due to short black hairs, and more conspicuous in certain lights; the short
pile elsewhere is reddish-yellow ; the second and third segments have a very narrow brownish hind
margin, nob due to hair. Legs reddish-yellow ; hind tibie with a brownish ring. Wings strongly tinged
with brownish-yellow, with darker clouds on the eross-vein ; marginal cell wide open. Eyes pilose.
Length 11-12 millim.
Hab. CosrA RicA, Rio Sucio (Jogers).
This insect is evidently closely allied, both in structure and in coloration, to P. pica
(picta), Schiner, from Colombia, and I at first felt disposed to identify it with that
species, The abdomen is short and broad, and has the first and fourth segments very
short: it is possible that Schiner may have mistaken the hair-bands for fascie of the
ground-colour. "The length of his four specimens is given at about 8 millim., whereas
in these Costa-Rican examples it is nearly 12, and, counting the epistoma, over 13
milim. "The proboscis is much shorter than the length of the body ; there is no black
on the thorax, save on the pectus; and the mesonotum especially is not clothed with
* dichte, fuchsróthliche Behaarung."
3. Phalacromyia pica, «.
? Phalacromyia pica, Schiner, Reise der Novara, Diptera, p. 355, t. 4. figg. 6, 64 (picta) !.
Very like P. pulchra, but the colour is light honey-yellow ; the mesonotum has three black stripes, the lateral
ones interrupted ; the second abdominal segment has a. narrow blaek stripe behind, the third segment a
broad stripe connected in the middle with the black of the second, and the fourth segment has a deep
black diamond-shaped spot extending to the front margin. The wings are light yellow, with a large
blackish cloud at the distal end and brown clouds on the cross-veins. The legs are light yellow, with a
black ring on the hind tibiw.
Length 9 millim.
Hab. Mzxico, Misantla (F. D. Godman).—Sovru AMERICA, Colombia !,
BIOL. CENTR.-AMER., Dipt., Vol. IIL, December 1891. Jg
43 DIPTERA.
3. Phalacromyia bellula, sp. n., «.
In structure like Volucella vesiculosa, Fabr., or V. pallens, Wiedem., except that the marginal cell is narrowly
open. Eyes pilose, with enlarged facets above. Face and front obscure yellowish-red ; cheeks with a
narrow brownish stripe. Antennz luteous or reddish-yellow. Mesonotum deep brown, with metallie
purple and bluish reflections and a yellowish translucency; pile blaek. Abdomen small, flat, deep
brownish-black, the base somewhat yellowish-translucent. Legs brown or brownish-black ; hind meta-
tarsi yellow. Wings tinged with brownish-yellow.
Length 6—7 millim.
Hab. Mxxico, Temax in North Yucatan (Gaumer ).
Two specimens.
A female from Teapa (JJ. H. Smith) has narrow clouds in the central cross-veins of
the wings, the face and antenne rather darker-coloured, and the bristles of the thorax
and scutellum more strongly developed.
4. Phalacromyia vaga.
Volucella vaga, Wiedem. Aussereur. zweifl. Ins. ii. p. 205 '.
Phalacromyia vaga, Schiner, Reise der Novara, Diptera, p. 335.
Hab. Mxxico, Xucumanatlan in Guerrero 7000 feet (H. H. Smith).—SovTH AMERICA,
Brazil.
A female specimen from Xucumanatlan I believe to be of this species, though there
are certain differences from the description. "The front is green rather than yellow ;
the tip of the scutellum is only a little blackish, and has no impression (as one would
infer is the case from. Sehiner's remarks) ; the femora are not *grünlich;" and there
are narrow brown clouds on the cross-veins at the middle of the wing. Another female
specimen, while agreeing closely with the foregoing in other respects, has the front and
median facial stripe deep black; it is from Irazu, Costa Rica (Jtogers).
5. Phalacromyia virescens, sp. n., 9.
Face and front light yellowish-green; cheeks more yellow, with a narrow brown stripe. Front narrow;
the crescentic spaces very narrow. Antenns more than a third of the length of the face, light reddish-
yellow; third joint not excised; arista well plumose, more than twice the length of the third joint.
Face projecting downward and forward, resembling that of Volweella pallens, Wiedem.; strongly
concave below the antenns, with à rounded prominent tubercle. Thorax yellow; the mesonotum tinged
with grassy-green; pile of mesonotum short, black; scutellum more strongly green, grooved before its
apex; sides of the seutellum and postalar callosities with black bristles; the bristles of the thorax
elsewhere light-coloured. Tegule with black cilia. Abdomen short, flat, in colour strongly grass-green,
the basal segments more translucent yellowish. Legs: femora, except their brownish tip, light greenish-
yellow ; tibiz and tarsi brown or brownish-yellow, the terminal joints of the tarsi blackish. Wings tinged
with greenish-yellow, more strongly so in front; a small brown stigmatie spot; cross-vein near the base
of the discal cell.
Length 9 millim.
Hab. GuATEMALA, El Tumbador, 2500 feet (Champion).
One specimen.
PHALACROMYIA.—VOLUCELLA. 43
The following species have been described by Bigot :—
Phalacromyia vicina, Bigot, Ann. Soc. Ent. Fr. 1883 (Phalacromyia).—M exico.
—— melanorhina, Bigot, loc. cit. p. 86 (Phalacromyia).—Mexico.
* volucelloides, Bigot, loc. cit. p. 548 (Glaurotricha).—Mexico.
The generic distinctions between Glaurotricha and Phalacromiyia are, to say the
least, very doubtful, and for the present I believe the name Gaurotricha should be held
in abeyance.
VOLUCELLA.
Volucella, Geoffroy, Hist. des Ins. envir. de Paris, p. 540 (1762).
Cenogaster, Duméril, Zool. Analyt. p. 282 (1806) ; Dict. des Sciences nat. Strasbourg, vii. p. 368
(1817).
Temnocera, St.-Fargeau & Serville, Encycl. Méth. x. 786 (1825) ; Macquart, Dipt. Exot. ii. 2, p. 26
(1842).
Ornidia, St.-Fargeau & Serville, Encycl. Méth. x. p. 786 (1825).
Atemnocera, Bigot, Bull. Soc. Ent. Fr. 1882, p. exiv.
Synopsis of the recognized. Central- American species.
A. Large, inflated species; face, in profile, descending, without
distinct concavity above or tubercle below; antennz small;
scutellum without bristles ; second longitudinal vein not sinuous
at its extremity; abdomen clothed with short, recumbent,
bristly hairs.
a. Wings with a large dark brown spot. . . . . . . . 4. quadrata, sp. n.
aa. Wings with small brown clouds on the cross-veins.
6. Black and deep red species; abdomen not banded .. . . 1. eastanea, Bigot.
bb. Largely yellow or reddish-yellow species; abdomen with
black bands.
c. Red or reddish-yellow species; head of male very large;
wings strongly infuscated on the basal portion; very
largespecies . . . . . « . . s . , « . . . X data, Wiedem.
cc. Light yellow species; mesonotum and abdomen largely
black; wings not strongly infuscated at the base. . . 8. isabellina, Willist.
B. Medium-sized species; second longitudinal vein, near its extre-
mity, distinctly sinuous, bending into the submarginal cell; no
prescutellar bristles.
a. Margin of the scutellum without bristles.
b. Mesonotum thickly yellow-pilose ; second abdominal segment
with a pair of slender crescentic spots . . . . . . . 10. ormata, sp. n.
g2
44 DIPTERA.
ób. Mesonotum mot thiekly yellow-pilose; second abdominal
segment not so marked.
c. Thorax wholly black; wings hyaline, with narrow dark
brown clouds on the cross-veins, and similarly coloured
spots in the marginal and submarginal cells
cc. Wings not so marked.
d. Legs black, with the first three tarsal joints light yellow.
e. Wings distinctly fasciate; pleurz with one or two
yellow spots . -——
ee. Wings indistinctly fascláte; June vith five Or six
yellow spots
dd. Legs black, with the báse of the tibi s elfe
aa. Margin of the scutellum with distinct bristles.
f. Wholly deep metallie blue species; face short,
deeply concave below the antennz
ff. More or less yellow species; face gently concave
below the antennz.
g. Face without median black stripe; abdomen
reddish-yellow .
gg. Face with a median plu sizipé;
chiefly black.
h. Mesonotum thickly yellow-pilose
abdomen
hh. Mesonotum thinly pilose; abdomidal seg-
ments 2—4 banded . EN tg
C. Second longitudinal vein regular ; scutellum without bikdes] no
prescutellar row of bristles ; wholly deep metallic species.
a. Face perpendicular and nearly Dei in profile ; S pure
hyalme .
aa. Face concave and iibesdulateda basil éastal half of the wings
deep brown; large species . Sw BSPTI vou.
D. Second longitudinal vein regular; sceutelum with bristles; a
prescutellar row of bristles present; face concave and tuber-
culate.
a. Epistoma strongly projecting, porrect, and acutely conical;
third antennal joint markedly emarginate above .
ad. Epistoma produced but moderately or not all forwards ;
antennal joint feebly or not at all emarginate.
6. Face with a brown median stripe; abdomen light yellow,
with black bands
bb. Face without median stripe.
c. Wings without distinct spots; abdomen chiefly or wholly
deep black or violet.
d. Wings pure hyaline . .
dd. Wings infuscate ; abdomen deg vidit: vit: the base
light yellow .
third
13.
12.
11.
15.
14.
16.
20.
19.
2l.
. Sp.
. picta, Wiedem.
. fasciata, Maeq.
. avida, O. 8S.
obesa, Fabr.
mellea, Jaenn.
cesariata, sp. n.
. fraudulenta, sp. n.
comstocki, Willist.
esuriens, Fabr.
haagi, Jaeun.
comastes, sp. n.
chetophora, Willist.
amethystina, Bigot.
VOLUCELLA. 45
cc. Wings spotted.
e. Wings with a quadrate brown spot; abdomen more
orless metalli posteriorly —. . . . . . . . 18. macula, Wiedem.
ee. Wings with narrow brown clouds on the cross-veins
and neartheend. . . . . . . 5 l7. opinator, sp. n.
E. Small, thinly pilose species; second vein vupidlar. the aarertagi
cell closed near the costa or narrowly open; anterior cross-vein
situated near the base of the discal cell; the first posterior cell
long; frontal triangle small; the male eyes with enlarged
facets above ; face concave and tuberculate, conical; scutellum
with bristles, often impressed before its tip; no prescutellar
bristles.
a. Scutellum yellow, with a preapical impression and a blackish
spot at the tip; baseof the abdomen light translucent yellow.
ó. Mesonotum, except the sides, deep blue-black.
c. Face with a median black stripe. . . . . . . . . 97. lugens, Wiedem.
cc. Face without median black stripe . . . . . . . . 24. Sp.
6b. Mesonotum wholly reddish-yellow.
d. Wings with a conspicuous triangular blackish spot near
the tipinfront . . . . eo. or oc 5 os. 5. . 223. tympanilis, Fabr.
dd. Wings yellowish-hyaline, vith aminute stigmatic spot. 23. Sp.
aa. Scutellum without noticeable black spot at the tip.
e. Scutellum with a rough, flattened, opaque spot on
each side; an impresssion before the apex. . . . 26. fuscipennis, Macq. '
ee. Scutellum convex, without flattened opaque surface ;
no preapical impression.
f. Mesonotum deep black, or metallie violet, with
the lateral margins yellow. . . . . 28. purpurifera, Bigot.
Á[f. Mesonotum wholly yellow or vedáiske-yellow . pallens, Wiedem.
[iol
Ot
1. Volucella castanea. Cowon qeexeen Isa)
Volucella castanea, Bigot, Ann. Soc. Ent. Fr. 1875, p. non
Hab. Mkxico, Oaxaca (coll. Bigot), Jalisco (Schumann).
A. single specimen from Jalisco, the determination of which does not seem doubtful.
2. Volucella lata.
? Volucella lata, Wiedem. Aussereur. zweifl. [ns. iii. p. 195 '.
Volucella (Temnocera) megacephala, Willist. Synopsis N.-Am. Syrphid:z, p. 146* (nee Loew).
A very large, thick-set, yellowish speeies. Face gently convex and receding, without tubercle, produced but
little downward; light brownish-yellow, clothed with short, chiefly white, hairs ; cheeks of the same
colour. Antenn: very small; the third joint scarcely three times as long as wide, almost imperceptibly
emarginate in the male, not at all in the female; arista loosely plumose, not twice as long as the joint,
Frontal triangle very small, of the colour of the face; eyes of the male contiguous for a long distance,
their upper facets markedly larger than the lower ones. Front of the female long, convex, of the colour
46 DIPTERA.
of the face, very thinly clothed with hair. "Thorax reddish-yellow ; pectus black ; pile of the same colour,
not abundant, on the posterior part of the mesonotum more or less intermixed with black; just in front
of the scutellum, in the middle, a short row of small black bristles. Scutellum a little lighter than the
thorax, subtranslucent; pile chiefly black ; margin without bristles. Abdomen large, broad, yellow and
red; the posterior part of the second, third, and fourth segments more or less black, the black greatest in
extent on tbe third segment; anterior angles of the segments with some yellowish pile, but the dorsum
is almost wholly clothed with very short recumbent black bristly hairs. Venter black posteriorly and in
the middle in front. Legs almost uniformly yellowish-red, the cox: black. Wings hyaline, brownish-
yellow along the eosta and at the base; the cross-veins of the middle clouded with black.
Length 16—19 millim.
Hab. UxrrED SraATES, Arizona 2.—Mzxi1c0 ! 2, Temax in Northern Yucatan (Gaumer),
Atoyac in Vera Cruz (Schumann).
Six specimens, including both sexes.
"This species is mentioned in my Synopsis (p. 146) as perhaps being the same as
V. (Temnocera) megacephala, Loew, but I am fully satisfied that this cannot be the
case. Apart from the size and other striking differences, the species has neither of the
characters of Temmnocera. In the two northern specimens, which are also somewhat
larger, the mesonotum shows indications of brown stripes, wholly wanting in the others.
The species is remarkable for the very large tabanoid head of the male, its very
small antennze, and large size.
3. Volucella isabellina.
Volucella isabellina, Willist. Synopsis N.-Am. Syrphidz, p. 140 *.
Iab. UwrrgD SrATES, Arizona !. —Mzxico, Northern Sonora (JMorrison).
A single specimen from Sonora agrees well with the description, but is somewhat
smaller than the size there given.
4. Volucella quadrata, sp.n., 9. (Tab. I. figg. 12, 9 ; 12 a, head ; 12, an-
tenna.)
Allied to V. decora, V. castanea, V. lata, &c. Headlight yellow, a brown band at the upper part of the front,
and a similarly eoloured stripe on the cheeks; front broad, Face in profile gently receding, forming a
long, moderate convexity, not tuberculate or concave, produced downward but little, Pile of the front
blackish, that of the face light yellow, short. Proboscis black, short. Antennse very small, red; third
Joint gently widened at the base, and briefly emarginate before the tip; arista thinly plumose. Meso-
notum dark brown, with two faint pollinose stripes in front; the lateral margins, and a large quadrate
spot behind, light yellow ; pile moderately abundant, yellow. Pleurs black, a large light yellow spot
on the mesopleurz, covered with dense yellow pile. Scutellum translucent reddish-yellow, without
bristles, Abdomen yellow and red, with the posterior part of the segments black; covered with short
recumbent black hair. Legs brown or blackish-brown, the knees and the base of tibiz:» somewhat lighter.
Wings nearly as in V. esuriens ; a dark brown subquadrate spot at the middle in front, hyaline beyond,
and brownish on the basal part.
Length 14 miilim.
Hab. Mxxico, Chilpancingo in Guerrero (H7. HJ. Smith).
One specimen.
VOLUCELLA. AT
5. Volucella avida.
Volucella avida, Osten Sacken, Western Diptera, in Bull. U.S. Geol. & Geogr. Surv. iii. p. 333 ';
Willist. Synopsis N.-Am. Syrphidz, p. 139, t. 6. figg. 12, 125 *.
Hab. Uxtrgp Srarzs, California ! *^.—Mxzxi00, Jaral in Guanajuato ( Sehwumana).
A single female specimen from Jaral presents a number of minor variations from the
descriptions. "The cheeks are not wholly black; there are two oval, rather remote,
spots in front of the scutellum. I see no black hairs on the margin of the scutellum ;
the median stripe of the second abdominal segment is not expanded anteriorly ; and
the basal joints of the tarsi are deep red.
6. Volucella picta.
Volucella picta, Wiedem. Aussereur. zweifl. Ins. ii. p. 201'; Rondani, Studi Ent. p. 65?; Schiner,
Reise der Novara, Diptera, p. 358^; Willist. Trans. Am. Ent. Soc. xv. p. 275 *.
Volucella pulchripes, Bigot, Ann. Soc. Ent. Fr. 1875, p. 480*.
Hab. Mzxico?, Omilteme 8000 feet, Dos Arroyos 1000 feet, Venta de Zopilote
2800 feet, and Tierra Colorada 2000 feet, all in Guerrero (H. H. Smith), Orizaba
(H. .H. Smith and F. D. Godman), Temax in Northern Yucatan (Gauwmer).—Sovmi
AMERICA, Brazil 1 234, — Wgsr IxpiEs, Cuba.
Twenty specimens, which I confess myself unable to refer positively to this species,
though I have compared them with examples from Brazil. As mentioned by me in
the paper referred to above, there is great variation in the markings. If all these
Mexican representatives are referable to V. picía, as I believe they are, then it would
seem very probable that the name V. pusilla, Macq.,is synonymous. — In structure the
specimens are all quite alike, and there is no noteworthy variation in the markings of
the wings. I group the principal varieties as follows:—
(a) Male. Cheeks, median faeial stripe, and frontal triangle deep blaek. Thorax wholly deep blue-black, save
& small spot below the humeri and another in front of the seutellum ; usually, also, a small vittula above
the base of the wings. Seutellum reddish-yellow, without black pile. Abdomen black, with obscure
reddish spots on the sides of tbe second and third segments. Legs deep black, the knees narrowly yellowish,
the base of all the tarsi reddish-yellow, the base of the hind femora narrowly reddish. Humeri often
yellowish.
This is evidently the same as V. pulchripes, Bigot.
(b) Male. Like a, but the facial stripe brown, the scutellum with black pile, the humeri and a vittula above the
wings yellow.
(e) Male. Face and frontal triangle light yellow ; sides of the mesonotum yellow, enclosing a black spot poste-
riorly ; scutellum light yellow, with dark red pile; a large yellow spot on the mesopleur:e ; two yellow
spots in front of the scutellum ; base of the abdomen light yellow ; a large yellow spot on the sides of the
second and the third segments.
'lThis variety agrees quite with some of the specimens from Brazil, and seems to be
the true J. picta.
48 DIPTERA.
(d) Female. Face with a brownish stripe; front yellow ; sides of the mesonotum less yellow than in c; 1neso-
pleure with a small spot; preseutellar spots confluent; scutellum with black pile ; second abdominal
segment with a light yellow broad band.
7. Volucella fasciata. !
Volucella fasciata, Macq. Dipt. Exot. ii. 2, p. 22, t. 5. 1. 2 '. Osten Sacken, Western Diptera, in
Bull. U.S. Geol. & Geogr. Survey, iii. p. 334^; Willist. Synopsis N.-Am. Syrphidie, p. 145,
t. 6. £. 4".
1 3 a8 29 —] 3
Hab. Uxrgp SravES, Kansas ?, Colorado ? ?, Carolina 1 ?, Texas? *. Mzxico ?.
I have seen specimens of this species from Northern Mexico.
$. Volucella — ?
Hab. Mxxico, Atoyac in Vera Cruz (Schumann).
A single specimen, apparently of a new species, but injured, is so characteristically
marked that I believe it will be recognized from the particulars given in the synopsis
and the following :——The abdomen and legs as in V. picta; the thorax wholly black,
somewhat metallic, with black and yellow pile; the face dark red; the brown spots
of the wings forming two incomplete fascie, the one extending from the subcostal to
the submarginal, the other from the marginal to the first posterior cell. Length
8 millim.
9. Volucella fraudulenta, sp. n, « 9. (Tab. L figg. 13, 9; 13, head ; 135,
antenna.)
Male, Face yellow, with a broad median stripe, and the cheeks broadly, shining black ; in profile straight and
| perpendicular below the small antenniferous process to the lower third, where it is gently receding.
| Frontal triangle black in the middle, on the sides yellow ; pile long and black. Antenns nearly black ;
narrow, elongate, the third joint not dilated at the base; a little less than half the length of the face;
arista not longer than the third joint, somewhat abundantly plumose. Eyes densely black-pilose along
the middle, less so behind. Mesonotum shining black; the humeri, a vittula above the wings, and two
dots or spots in front of the seutellum, yellow ; pile rather abundant and long, but not obseuring the
ground-colour. Pleurz black, with yellow pile; a vertieal yellow spot on the mesopleurz. Seutellum
light translucent-yellow, chiefly, rather abundantly and long, black-pilose; along its margin about twelve
thin bristles, approximated in the middle. Abdomen black, with abundant, erect pile, obscuring the ground-
colour but little; the pile on the hind margins of the second and third segments and on the small
hypopygium black, elsewhere yellowish, longer on the fourth segment; on each side of the second segment
an elongate, narrow, oblique yellow spot, the posterior margin of the segment more deeply black; third
segment with an anterior narrow band, widened on the margin and emarginate or interrupted in the
middle, yellow; fourth segment with the anterior margin laterally yellow. Legs blaek, the first two
joints of the tarsi red. Wings subhyaline; clouded distally, and with narrow brown clouds on the eross-
veins; second vein markedly sinuous at the tip. "Tegule white, white-ciliate.
Female. Third joint of the antenuz broader at the base and longer, distinctly more than half the length of the
face. Front with a black stripe, and well-marked erescentie grooves. Pile of the thorax and abdomen
shorter. Crescentie spots of the second abdominal segment larger and less widely interrupted, and the
lateral margins of the same segment yellow.
Length 9-10 millim.
VOLUCELLA. 49
Hab. Mxxico, Venta de Zopilote in Guerrero 2800 feet (H. H. Smith), Temax in
Northern Yucatan (Gawmer).
Five specimens.
10. Volucella ornata, sp. n., c.
Frontal triangle and face light yellow, the former with a small black spot, the latter with a broad black stripe
on either side, extending from the eyes to the oral margin, and a narrower median one, obsolete above.
Cheeks yellow, blackish posteriorly. Face, in profile, projeeting downward and but little forward, with a
long coneavity above and a small, well-marked tubercle below. —Antenns about one-half of the length of
the face; brownish-red or blackish; arista thinly plumose, not much longer than the third joint. Eyes
densely and long, in most reflections whitish, pilose. Mesonotum thickly light reddish-yellow-pilose ;
metallie black, the sides, and a geminate spot behind, as also the scutellum, honey-yellow. X Pleurw black,
with abundant light-coloured pile; a yellowish spot on the mesopleurg and another above the middle eox:e.
Abdomen brownish-black ; pile yellow ; second segment with the lateral margins, more broadly so in front
and contiguous behind with the outer extremity of an interrupted band, composed of two shallow crescents,
yellow ; third segment with two similarly-coloured narrow bands—one on the front margin, entire, the other
near the middle, straight and interrupted; the second and third segments have a fringe of yellow pile
behind; the fourth segment has a broad transverse groove, or, rather, a large, rounded, shallow V-shaped
ridge. Lees yellowish-red or red, the basal joints of the middle tarsi and the distal ones of the hind tarsi
lighter-coloured; pile yellow and black, especially abundant on the hind tibi;e. — Wings with brownish
clouds; second longitudinal vein strongly sinuous at its extremity ; third vein in front of the first posterior
cell not straight.
Length 10-12 millim.
Hab. Mzxico, Jalapa (F. D. Godman).
"Three specimens.
11. Volucella cz;sariata, sp. n., «.
Face on the sides light yellow, a broad median stripe, and the cheeks broadly, black; frontal triangle black,
with black pile. Face, in profile, nearly perpendieular, with a shallow eoneavity above and a small
tubercle below the middle. Antenns black, nearly half the length of the face; third joint gently
exeised ; arista but little longer than the joint. Mesonotum and seutellum thickly clothed with reddish-
yellow pile, obseuring the ground-colour ; the former metallie bronze-black, with the sides broadly and a
large posterior emargination honey-yellow, as is also the scutellum ; lateral margins and the whole
border of the scutellum with well-developed black bristles. ^Pleurze black, with black and whitish
pile, somewhat intermixed with fulvous above. Abdomen brownish-black, with abundant, not very
long, mostly yellow pile; second segment with an oblique lateral spot, and the narrow base of the third
segment, yellow or yellowish. Legs black, the knees narrowly yellow; the first three joints of all the
tarsi light reddish-yellow. Wings clouded with blackish distally ; cross-veins of the dise with dark brown
clouds; second vein markedly sinuous at its tip.
Length 12 millim.
Hab. Mzxico, Orizaba (A. H. Smith).
One specimen.
12. Volucella mellea.
Volucella mellea, Jaennicke, Neue exot. Dipt., in Abh. Senck. Ges. vi. p. 396.
Hab. Mzxico !, Jaral in Guanajuato, Mexico city (Schumann).
BIOL. CENTR.-AMER., Dipt., Vol. IIL., December 1891. À
50 DIPTERA.
'Two specimens, easily recognizable from the description. The pile of the mesonotum
can hardly be said to be *sehr kurz"; the peculiar dots on the fourth abdominal
segment are only visible in the female example.
13. Volucella obesa.
Syrphus obesus, Fabr. Syst. Ent. p. 763' ; Ent. Syst. iv. p. 982?; Syst. Antl. p. 227.
Volucella obesa, Wiedem. Aussereur. zweifl. Ins. ii. p. 199 * ; Maeq. Hist. Nat. Dipt. i. p. 494^ ;
Dipt. Exot. ii. 2, p. 21*; Schiner, Reise der Novara, Diptera, p. 356"; Willist. Synopsis N.-Am.
Syrphidz, p. 148, t. 5. f. 9^; Trans. Am. Ent. Soc. xv. p. 272.
Ornidia obesa, St.-Fargeau & Serville, Encycl. Méth. x. p. 786 ".
Hab. Uxrrgp SravEs, New Mexico, Florida 5.—Mx1co * (H. H. Smith); GUATEMALA
(Champion); CosrA Rica (Van Paften); PANAMA (.-Boucard).—SovvH AMERICA? 7 10,
Colombia?, Guiana, Surinam $, Brazil^99, Chilió; WizsT IvpnizS?, Cuba$, San
Domingo 5$, Guadaloupe 9.—BovunBoN?; IstE or FRANCE 610. EasT INDIES €.
In the Central.American collections before me there are one hundred and twelve
examples of this brilliantly-coloured, cosmopolitan insect, from numerous collectors
and localities. The most interesting thing in connection with these specimens is the
very great variation in size—the smallest measuring only 9 millim. in length, while the
largest are 16 millim.
14. Volucella esuriens.
Syrphus esuriens, Fabr. Syst. Ent. iv. p. 281'; Syst. Antl. p. 226".
Volucella esuriens, Wiedem. Aussereur. zweifl. Ins. ii. p. 197? ; Schiner, Reise der Novara, Diptera,
p. 356".
Volucella violacea, Say, Journ. Acad. Phil. vi. p. 166; Complete Writings, ii. p. 360.
Volucella mexicana, Macq. Dipt. Exot. ii. 2, p. 25, t. 5. f. 8"; Schiner, Reise der Novara, Diptera,
p. 856*; Osten Sacken, Western Diptera, in Bull. U.S. Geol. & Geogr. Survey, iii. p. 332".
Volucella dispar, Macq. Dipt. Exot. 1* Suppl. p. 123, t. 11. f. 2 j^
Volucella mazimiliani, Jaennicke, Neue exot. Dipt., in Abh. Senck. Ges. vi. p. 395".
Volucella metallifera, Walker, List Dipt. iii. p. 636 ".
Volucella esuriens mezicana, Willist. Synopsis N.-Am. Syrphidze, p. 137, t. 6. figg. 5, 5a "m
Hab. Uxrrgp SramES, California ? 12, Arizona !?, Texas ?, Florida 1?.—M zx1co 986791112
Omilteme, Xucumanatlan, Amula, Mexico city (Z. H. Smith), Jaral, Atoyac (Schu-
mann); GUATEMALA (Champion).—SovTM AwEmicA*, Colombia 19, Venezuela !?; WEsT
IxnpiES ! ? 5.
'Thirty-four specimens. V. mexicana is probably inseparable from V. esuriens, and I
have so given the synonymy ; but should there be good ground for distinguishing it,
the name violacea, Say, ought to be used.
VOLUCELLA. ol
15. Volucella comstocki.
Volucella comstocki, Willist. Synopsis N.-Am. Syrphid:e, p. 138, t. 6. f. 9".
Hab. UurrED STATES, Arizona !, New Mexico !.—M £xico, Northern Sonora (Morrison).
À single specimen, agreeing well with the description.
16. Volucella haagi.
Volucella haagii, Jaennicke, Neue exot. Dipt., in Abh. Senck. Ges. vi. p. 397; Willist. Synopsis
N.-Am. Syrphidz, p. 147, t. 5. f£. 8*.
Temnocera setigera, Osten Sacken, Western Diptera, in Bull. U.S. Geol. & Geogr. Survey, iii.
p. 384^; v. d. Wulp, Tijdsehr. v. Ent. xxv. p. 126, t. 10. f. 10*.
Hab. UwrrgD STATES, New Mexico??, Arizona?4.— MExico!, Northern Sonora
(Morrison), Amula in Guerrero (Zi. H. Smith), Jaral in Guanajuato (Schumann).
Four specimens, agreeing well with the descriptions.
17. Volucella opinator, sp. n, 9. (Tab. I. figg. 14, 9; 14a, head; 145,
antenna.)
Face and front shining yellow, the former narrow, with black pile; antennz nearly of the same colour; cheeks
with a faint stripe. Antennz nof a third of thelength of the face; third joint rather broad, scarcely
three times as long as wide; arista thinly plumose, much longer than the third joint. Face, in profile,
projecting well downward and forward, considerably concave below the antenns, and with an elongate,
obtuse tubercle. Thorax yellow; pectus black ; mesonotum, except the sides and a quadrate spot behind,
brownish-red, subvittate, with violaceous reflections. Seutellum somewhat reddish above, flattened before
its tip. Mesopleurs, sides of mesonotum, and the margin of the seutellum with conspicuous black
bristles, those on the scutellum moderately remote at the apex; also a transverse row of bristles in front
of the scutellum. Abdomen yellow, posteriorly more reddish or brownish-yellow ; posterior margin of the
second and third segments with a narrow blackish band, due, in part, to the ground-colour, in part to the
short reeumbent black hairs; fourth segment with a transverse streak, and the hind margin, blackish,
perhaps variable. Legs brownish-red; tips of the tarsi blackish ; distal end of the middle femora poste-
riorly with short black bristles. Wings nearly hyaline; central cross-veins, anterior eross-vein, stigma,
tip of marginal cell, and outer cross-veins with dark brown clouds; marginal cell at tip almost imper-
ceptibly widened.
Length 12 millim.
Hab. Mzxico, Atoyac in Vera Cruz (H. H. Smith).
One specimen.
18. Volucella macula.
Volucella macula, Wiedem. Aussereur. zweifl. Ins. ii. p. 200' ; Maeq. Dipt. Exot. ii. 2, p. 24, t. 4.
f. 17; Willist. Trans. Am. Ent. Soc. xv. p. 272*.
- Hab. Mzxico, Teapa in Tabasco (77. H. Smith).—SovrE AMERICA, Brazil ! ? ?,
A single male specimen from Teapa, agreeing closely with others from Brazil.
h 3
52 DIPTERBRA. ,
. 19. Volucella chztophora. (Tab. I. figg. 15,2; 15«, head; 15 5, antenna.)
Volucella chetophora, Willist. Synopsis N.-Am. Syrphidse, p. 149 s
. Hab. Mxxico, Acapuleo in Guerrero (H. H. Smith), Isthmus of Tehuantepec (co//.
Riley !)), 'Temax in Northern Yucatan (Gaumer).
Two specimens. The front is black-pilose, not * black, pilose." "There is some
shorter whitish pile on the mesonotum, and the legs may be deep. red or reddish-black,
and the abdomen deep blue. "There are violaceous reflections on the mesonotum.
20. Volucella comastes, sp. n., 2.
Front brown, yellow at the vertex and on the sides below ; pile black. Face light yellow, with a broad brown
stripe; in profile nearly perpendicular, with an obtuse tubercle. - Cheeks with a broad blackish stripe.
Antennze at least a third of the length of the face, dark brown, the basal joints more reddish ; third joint
gently widened at the base ; arista not thinly plumose. Mesonotum shining blue-black, the sides yellow
and reddish, and with a light yellow geminate spot in the middle behind. Pleurse brownish-black ; a light
yellow spot on the mesopleure. Margin of seutellum, postalar eallosities, and lateral margins of meso-
notum with black bristles ; a transverse row of bristles in front of the seutellum. Scutellum translucent
brownish-yellow, yellow at the base and margin. Abdomen: first segment more or less brown ; second
segment very light translucent-yellow, with a narrow posterior dark brown or black band ; third segment
black, with an interrupted yellow band in front. Legs brownish-black; the distal end of the femora,
basal part of the tibiz, and basal joints of the tarsi reddish. Wings nearly hyaline, clouded on the
anterior part, the clouds forming two darker spots—one near the tip, the other, the larger, at the middle.
Length 9 millim.
Ilab. Mzxico, Orizaba (JH. H. Smith and .F. D. Godman).
Two specimens. One might suspect this to be V. variegata, Bigot, save for the
abdominal markings and the size.
21. Volucella amethystina.
Volucella amethistina (sic), Bigot, Ann. Soc. Ent. Fr. 1875, p. 479".
Hab. Mzxico !, Presidio ( Forrer).
"This striking species is easily recognizable from Bigot's description. The head is
rather broad, the face produced acutely downward; the third antennal joint of the
female is not at all coarctate; the scutellum is not impressed before its apex, the
bristles at the tip are remote, and there is an inconspieuous row of them before the
scutellum.
22. Volucella tympanitis.
Syrphus tympanitis, Fabr. Syst. Antl. p. 226 '.
Volucella tympanitis, Wiedem. Aussereur. zweifl. Ins. ii. p. 200^; Willist, 'Trans. Am. Ent. Soc. xv.
p. 275*.
Hab. MExico, Atoyac in Vera Cruz, Teapa in Tabasco (H. H. Smith); PANAMA,
Bugaba (Champion).—SovrR AMERICA! ?, Brazil ?,
Eight specimens, agreeing closely with others from South America.
VOLUCELLA. 53
28. Volucella — ?
Hab. GvATEMALA, Cubilguitz in Vera Paz (Champion).
A single male specimen from Cubilguitz shows a remarkable resemblance to
V. tympanitis in almost everything, except as regards the colour of the wings and
legs. The conspicuous brown spot at the tip of the wings is entirely wanting, and
the stigmatic spot is smaller; the tibie and tarsi are largely brown; the latter are
yellowish at the base, blackish at the tips; the scutellum is more impressed at the tip,
and the brown spot is darker; and the black bands on the abdominal segments are
narrower, "The species is certainly distinct.
24. Volucella —— ?
Hab. PANAMA, Bugaba 800 to 1500 feet. (Champion).
Two specimens from Bugaba, male and female, bear a remarkable resemblance to
V. musta, Willist., from Brazil, and were, at first sight, deemed identical. A more
careful examination, however, discloses important differences. The third joint of the
antenne is longer and more slender; there are no black spots on the hypo- (not
* meso-") and sternopleurm, the thorax being entirely yellow, save the mesonotum,
which (except the lateral margins) is deep violet-black; the second abdominal segment
has a broader hind margin; and the third and fourth segments are black, save a large
lateral spot *. Both species, like the preceding one (no. 23), are conspicuous for the
brown- or blackish-tipped scutellum, which is impressed before its apex and has the
bristles separated at the tip by a broad interval. "That either this or V. musta is
conspecifie with V. vage, Wiedem., which must resemble them in markings, is doubtful.
Apart from the fact that both species have the marginal cell briefly petiolate, the colour
is yellow and not at all greenish. "That one or the other may be referable to V. parva,
Rondani, is possible.
25. Volucella pallens.
Volucella pallens, Wiedem. Aussereur. zweifl. Ins. ii. p. 204^; Willist. Trans. Am. Ent. Soc. xv.
p. 275. |
Volucella sexpunctata, Loew, Wien. ent. Monatschr. v. p. 38?; Centur. vi. no. 37, in Berl. ent.
Zeitschr. 1865, p. 151*; Willist. Synopsis N.-Am. Syrphide, p. 141, t. 6. f. 2*.
Hab. UxrrED SrATES, Florida 5.—GvATEMALA, Dueiias (Champion).—SOoUTH AMERICA,
Brazil!?; Wzsr IwnDpiEgS, Cuba? 4,
* Since writing the above I have found an additional female example, in which the black of the dorsum is
much narrower, there is a black spot on the sternopleurz, and the yellow has a somewhat greenish cast. T
much suspect that the Vera Paz insect ( Volucella, no. 23), notwithstanding the entire absence of the strikingly
deep metallic colour of the thorax, belongs to the same species.
54 DIPTERA. .
A single male specimen from Dueiias, agreeing well with others from South
America and the United States.
26. Volucella fuscipennis. :
Volucella fuscipennis, Macq. Dipt. Exot. ii. 2, p. 24, t. 4. f. 2^; Willist. Trans. Am. Ent. Soc. xv.
p. 276".
Hab. Mxxico, Teapa in Tabasco (f. H. Smith), lemax in Northern Yucatan
(Gaumer).—SovrE AxEnIcA, Brazil ! ?.
A dozen specimens from Southern Mexico show only minor differences from an
example identified as this from Brazil. ''he colour is lighter, more reddish ; the violet
reflections of the mesonotum are feebler; and the legs are chiefly reddish-brown, with
the tarsi more or less yellow, especially the hind metatarsi. 'The face seems somewhat
less acuminate, and the lateral roughened opaque surface on the scutellum somewhat
larger. In the Brazilian specimen the marginal cell is narrowly open; in all the
Mexican ones it is closed at the tip. The female has a rounded elevation in the
middle of the front.
A single female from Presidio, Mexico (Forrer), has the structure of the others, but
is yellow, with the pectus, lateral scutellar spots, front, narrow abdominal bands, and
the base of the femora black; the mesonotum with a trace of violet stripes.
27. Volucella lugens.
? Volucella lugens, Wiedem. Aussereur. zweifl. Ins. ii. p. 206 '.
Hab. GuxTEMALA, Lanquin in Vera Paz (Champion).—SovuTH AMERICA, Brazil !.
A single male example from Lanquin agrees very well with the description. The
legs and markings of the abdomen are brown, rather than black. A comparison with
Brazilian specimens is needed to determine with certainty the identity.
28. Volucella purpurifera.
Volucella purpurifera, Bigot, Ann. Soc. Ent. Fr. 1875, p. 477 '.
Volucella tricincta, Bigot, loc. cit. p. 477 *.
Volucella varians, Bigot, loc. cit. p. 4817, & 1883, p. 63.
Hab. Mxxico?, Oaxaca ! ?.
Bigot has expressed the opinion that all three of the above names pertain to one
species, a view that does not seem improbable from the descriptions. "Two male
specimens from Amula (H. H. Smith) may belong to the same. As the descriptions
are insufficient to decide the question with certainty, l give a more complete one from
these specimens :—
Faee and frontal triangle greenish-yellow, more yellowish below, the former with a brownish stripe in the
VOLUCELLA.—OPHROMYIA. 55
middle, the latter small; cheeks with a dark brown stripe in front; in profile the face is deeply concave
above, with a well-marked tuberele, Antenns reddish-yellow, small, not a third of the length of the
face, the third joint scarcely three times as long as wide; arista well plumose, more than twice as long
as the joint, Thorax yellow, the pectus black; the mesonotum, except the lateral margins, deep metallic
purple, more yellowish posteriorly. Scutellum yellow, somewhat purplish, with black pile, and the
margin with black bristles, the latter only a little remote at the apex ; no preapieal depression, Abdomen
light yellow at the base, the posterior margins of the second, third, and fourth segments black, the third
and fourth segments, otherwise, more obseure yellowish- or brownish-red. Legs brown, blackish, and
obseurely yellow ; the hind metatarsi lighter yellow. Wings subhyaline, the marginal cell closed in the
costa or narrowly open.
Length 7 millim.
The following species have also been described by Bigot from within our limits :—
Volucella variegata, Bigot, Ann. Soc. Ent. Fr. 1875, p. 478.— Mexico.
nigrifacies, Bigot, loc. cit. p. 479.—Mexico.
viridula, Bigot, loc. cit. p. 481.—Mexico.
tristis, Bigot, loc. cit. p. 482.—Mexico.
f'ulvicornis, Bigot, loc. cit. 1883, p. 84.—Panama.
taw, Bigot, loc. cit. p. 84; Willist. Synopsis N.-Am. Syrphide, p. 143.—
Mexico, California.
OPHROMYIA, gen. nov.*
Male. Allied to Volucella, but differing in the structure of the head. Eyes pilose, broadly separated at the
vertex. Antennz inserted low down, nearly as low as the lower border of the eyes. Front swollen and
remarkably broad, of the full width of the face to just below the ocelli, where it becomes suddenly
narrowed to about half its previous width. Face short, small, conical, projecting downward, compressed
before its tip so as to form a small, rounded snout. Antenns slender, two-thirds as long as the face;
second joint with a projection on the inner side, overlapping the base of the third joint. Arista loosely
plumose, but somewhat peculiar in that the plumosity extends quite to the tip, the individual hairs
becoming suecessively longer, and curved backward. Thorax with bristles. Wings as in Volucella ;
anterior cross-vein toward the base of the discal cell.
The two specimens from which this description is drawn were not suspected to be
males from the structure of the head.
1. Ophromyia nasica, sp. n. «. (Tab. II. figg. 1, 2; 1«, head; 15, antenna.)
Front and face oily-, or subtranslucent-yellowish-, white, the cheeks with a brown line. Nearly opposite the
base of the antennse, close to the eyes, there is a small silvery spot, with a minute brown dot above and
below, the lower one at the extremity of a suture running horizontally from the base of the antenns.
Front, above, clothed with thick, short, whitish pile. Antenn: brownish-red. Mesonotum deep blue,
with violet reflections, the lateral margins obseurely yellowish ; pile short, not abundant, whitish ; lateral
margins with stout bristles, and a row of more slender bristles before the scutellum. —Pleurc yellow and
black. Seutellum deep purplish black, with three stout bristles on each lateral margin. Abdomen light
yellow, subtranslucent ; obseurely brownish distally; second and third segments with a narrow dark band
posteriorly, due in part to the ground-colour, in part to short black hairs. Wings lightly tinged with
* 'Ogpvs, brow ; pvia, fy.
56 | DIPTERA.
yellow; distinctly elouded distally. Legs light yellow ; the immediate base of the femora brownish ;
front and middle tibiz, except their base, and their tarsi, black, the corresponding parts of the hind legs
more brown.
Length 9 millim. ;
Hab. Mxico, Acaguizotla iu Guerrero (H. H. Smith).
Two specimens.
COPESTYLUM.
Copestylum, Macquart, Dipt. Exot. 1* Suppl. p. 124 (1846).
1. Copestylum marginatum.
Volucella marginata, Say, Journ. Acad. Phil. vi. p. 167^; Complete Writings, ii. p. 960^; Osten
Sacken, Western Diptera, in Bull. U.S. Geol. & Geogr. Survey, iii. p. 333 ".
Copestylum marginatum, Osten Sacken, Cat. N.-Am. Dipt. 2nd ed. p. 130*; Willist, Synopsis N.-Am.
Syrphidze, p. 151, t. 7. figg. 1, 1a, 15".
Copestylum flaviventris, Macq. Dipt. Exot. 1* Suppl. p. 125, t. 10. f. 16".
Hab. UwrrEp STATES, Texas?45, Arizona?, California?, Montana?, Colorado.—
Mzxico! 24, Northern Sonora (JMorrison) Tepetlapa in Guerrero (H. H. Smith);
GUATEMALA, San Gerónimo (Champion).—SovrE AwtERICA, Colombia $, Venezuela 9.
Central.American specimens are of the variety with light antennz, as described by
me, and show no differences from the description, and only minor differences among
themselves. :
2. Copestylum limbipenne. (Tab. II. figg.2, 9 ; 2a, head; 20, antenna.)
Copestylum limbipennis, Willist. Synopsis N.-Am. Syrphidz, p. 152 '.
Hab. Mxxico, Venta de Zopilote, Acapulco (A. H. Smith), Isthmus of Tehuantepec '-
The females agree with the description; the antenne are somewhat lighter
coloured, and the lateral margins of the abdomen are yellow. "The males have smaller,
more slender antennz, longer pile throughout, and are without the yellow spots and
vittule of the mesonotum, or have only yellowish indications of them. The abdo-
men is frequently more brown than black.
ERISTALIS.
Eristalis, Latreille, Hist. Nat. Crust. et Ins. xiv. p. 363 (1805).
Eristalomya, Rondani, Dipt. Ital. Prodr. ii. p. 40 (1857).
Eristalinus, Rondani, loc. cit.
Synopsis of the recognized. Central- American species.
1. Mesonotum with one or more ashy or shining transverse
bands; aristàbare . ... . « . - . « . . 4. 1.
[os]
m
10.
ERISTALIS.
Mesonotum otherwise marked or uniform in colour; eyes
pilos .
. Mesonotum uniform in dolus or vith fecble MN "
Mesonotum conspieuously opaque-black and ashy .
. Large, black species; all the tarsi and the four anterior
tibize light yellow
Tibiz and tarsi not so marked
. Arista plumose; thickly fulvous-pilose ; Modoxin of the
male for the most part red, of the female black
Arista bare
. Hind tibize Mtibregesd m danssly 'dilidies arró species ;
thorax densely falvous-pilose .
Hind tibiz: not compressed and ciliate
. Front below and frontal triangle wholly light vello
pilose; abdomen light yellow-pilose, with opaque black
and metallie green cross-bands .
Front, frontal triangle, and abdomen chiefly black-pilose,
the latter in great part shining black; wings with a
brown spot
. Mesonotum shining grenifish-blaek, clothed with ellow
or yellowish pile; second abdominal segment with a
posterior, velvety black, EAE] or subinterrupted
ceross-band. . . . . . . à CIC PEURC
Mesonotum otherwise coloured; no shining black on the
second abdominal segment
. Head and thorax yellow or brownish- yellów. the meso-
notum not shining .
Head and thorax black
. Mesonotum with four opaque black Mon the ida
pair in the shape of a tuning-fork .
Mesonotum not striped
Mesonotum, behind the suture, with ihiests opaque » black
spots — the median one suboval, the lateral ones
tnangular . TH "x '
Mesonotum opaque black behind hà —— with. two
median, oval ashy spots, and a similarly coloured
lateral, oblique one .
. A shining or opaque grey band in front of the icto
Mesonotum opaque black behind the suture to the
scutellum ; eyes pilose
. Pile of frontal triangle light yellow or dite, of the front
black above only; hind femora but little thickened
Pile of the frontal US and the front below more or
less black .
. A black band boloro- the shy itutal bonus second
BIOL.
CENTR.-AMER., Dipt., Vol. IIL., February 1892.
oT
e
persa, sp. n.
4.
circe, sp. n.
5.
obsoletus, Wiedem.
pachypoda, Bigot.
latifrons, Loew.
8.
ochraceus, Willst.
bellardi, Jaenn.
furcatus, Wiedem.
10.
£rigonus, sp. n.
cosmius, Schiner.
15.
13.
13.
14.
NC EU
98
DIPTERA.
segment of the abdomen hght yellow, with a narrow
black stripe not quite reaching the hind margin. . .. albifrons, Wiedem. ( d ). (, (2
The whole anterior part of the thorax ashy; second
abdominal segment with a broader interval between
theside-spots. . . . . . . . .ricolor, Jaenn.
14. The yellow side-spots of the d sitione edet
approximate or contiguous anteriorly ; the ashy
thoracic band interrupted or subinterrupted; hind
femora only moderately incrassate . . . . . . . Sp. (no.14). es 7 [ro E EL
The yellow spots of the second segment not approximate
in front; the ashy sutural band entire; hind femora
considerably thickened . . . . V . fasciatus, Wiedem.
15. Mesonotum with a shiuing, steel-blue hund in fion of
the scutellum ; eyes pilose at the top only . . . . scutellaris, Fabr.
Mesonotum with an ashy band in front of the scutellum . 16.
16. Grey clouds in the marginal and submarginal cells . . 17.
"^ Marginal and submarginal cells pure hyaline; smaller
species . . . . 18.
17. Pile of frontal télazigle, and the front below, heh vellip. -
hind tibie compressed and cilhiate . . . . 0. e. Cvinetorum, Fabr.
Pile of frontal triangle and front chiefly black . . . . «mulus, sp. n.
18. Very small species (6-7 millim.); hind femora consider-
ably thickened ; spots of the second abdominal segment
broadly separated. . . . . minutalis, sp. n.
Moderate-sized species; hind fexto: modertely: thick-
ébede (C0... v eu , . TIME OLET
19. Frontal triangle and front lieloy sud: pilose TEE
.. Frontal triangle and front below largely black-pilose . . 21.
30. Second and third abdominal segments yellow and red, or
with the middle brownish. . ... . is . rufiventris, Macq.
Second segment with a median stripe, and the rest of the
abdomen (except sometimes the narrow anterior angles
of the third segment), black . . . . . ; albifrons, Wiedem. ( 9 ).
31. Third and fourth abdominal segments opaque, with a
complete shining band. . . . . . . . . . Sp. (no. 18).
Third and fourth abdominal segments more or less yellow
OFTOd 2c u € x, 0x. 30 E cep 9 304: e X6 DER (HO, Sl).
1. Eristalis persa, sp. n, 9 .
Allied to E.ciree. Face shining black, thinly yellowish-dusted on the sides, and with abundant, long, yellowish-
white pile. Front opaque brownish, with long and abundant black and yellowish pile. Eyes long and
abundantlylight-pilose. First two joints of the antenn: reddish-yellow (third joint wanting). Mesonotum
opaque brownish-grey in front, more blackish behind; pile moderately abundant, in front light yellowish,
behind black. Seutellum shining black, with abundant black pile. Pleure shining black; pile chiefly
black. Abdomen deep black, with moderately abundant black pile; second segment opaque velvety, with
an interrupted shining cross-band, the spots wider on the margin ; third segment shining, with a bisinuate
ERISTALIS. 59
posterior opaque band; remainder of the abdomen shining. Legs black; the immediate tip of all the
femora, tip of hind tibi, four anterior tibie, and all the tarsi light yellow ; hind femora slender. Wings
brownish.
Length 12-13 millim.
Hab. MExico, Sierra de las Aguas Escondidas in Guerrero 9000 feet (H. H. Smith).
One specimen.
2. Eristalis circe, sp. n, « 9. (Tab. IL. figg. 3, & ; 3a, head.)
Male. Face and frontal triangle shining black, the former sometimes somewhat reddish upon the sides; clothed
with long and abundant yellow pile. First two joints of the antennz blackish; third joint reddish-yellow ;
arista (for an Eristalis) markedly plumose. Eyes densely and long, light reddish-yellow, pilose. Meso-
notum opaque dark ochraceous, elothed with abundant light reddish-yellow pile. Scutellum yellowish-red,
with similarly-coloured pile. Pleurs shining black, in the middle thickly clothed with yellow pile.
Abdomen bright yellowish-red, with long and abundant yellowish-red pile; first segment, a large
triangular or triradiate spot on the second, and a small one on the third segment, black. Wings tinged
with yellow. Legs black; four anterior tibiw, for the larger basal part, the base of the hind femora, and
the four anterior tarsi more or less, yellow ; hind femora moderately thickened.
Female. Front opaque brownish, with long reddish-yellow pile. Pile of thorax shorter. Abdomen shining
black, with very short, not abundant, black pile, except in the middle of the second segment, where it is
longer and reddish-yellow ; second, third, and fourth segments each with a narrow, successively more
broadly interrupted, opaque, black band ; anterior margin of the second segment also opaque black. Pile
of the legs less abundant, and wholly black ; hind femora not thickened.
Length 12-13 millim.
Hab. Mzxico, Ciudad in Durango (Forrer), Omilteme in Guerrero 8000 feet (H. H.
Smith), Jalapa (/". D. Godman).
Twenty specimens.
3. Eristalis obsoletus.
Eristalis obsoletus, Wiedem. Aussereur. zweifl. Ins.ii. p. 175 ' ; Schiner, Reise der Novara, Diptera,
p. 261^; Willist. Trans. Am. Ent. Soc. xv. p. 279 *.
Eristalis testaceicornis, Macq. Dipt. Exot. 4* Suppl. p. 138 *.
Eristalis thoracica, Jaennicke, Neue exot. Dipt., in Abh. Senck. Ges. vi. p. 399*.
Hab. MExico ^5, Omilteme 8000 feet, Chilpancingo 4600 feet, Amula 6000 feet,
Hacienda de la Imagen 4000 feet, Xucumanatlan 7000 feet, Acapulco, all in Guerrero,
Cuernavaca, Vera Cruz, Atoyac (4H. H. Smith), Jalapa (f. DD. Godman), Temax in
Northern Yucatan (Gawmer).— SovrH AwxnRICA ?, Brazil ! ?,
Twenty-five specimens.
There is some variation in the colour of the legs, and the spots of the second
abdominal segments may be decidedly yellow. I have compared the Mexican examples
with others from Brazil, so that there can be no question of the identity. Except that
Bigot seems to know this species, I should be much in doubt from his description of
E. pachypoda as to whether he meant it for this or the following.
i 2
60 JDIPTERA.
4;'Eristalis pachypoda. -
Eristalis pachypoda, Bigot, Ann. Soc. Ent. Fr. 1880, p. 224.
Hab. Mxxico!; Cosma RrcA, Volcan de lrazu 6000 to 1000 feet, i Francisco
4500 feet, Caché (Rogers).
It is impossible to say with certainty whether this or the preceding species is the
one described by Bigot, as his description applies about equally well to both. The
present one differs from .E. obsoletus, in the male sex, in the frontal and vertical
triangles being black-, not yellow-, pilose; in the broader, more deeply black abdomen,
clothed chiefly with black, not yellow pile; in the rather darker legs, larger size, and
more distinct. brown spot on the wings, The females may be best distinguished by the
pile of the front being mostly black in E. pachypoda, light yellow in E. obsotetus.
5. Eristalis latifrons.
Eristalis latifrons, Loew, Centur. vi. no. 65, in Berl. ent. Zeitschr. 1865, p. 169'; Willist.
Synopsis N.-Am. Syrphidz, p. 164".
Eristalis stipator, Osten Sacken, Western Dipt., in Bol U.S. Geol. & Geogr. Survey, iii. p. 336 *;
Willist. Proc. Am. Phil. Soc. xx. pp. 319, 322
Hab. UwrrEgD SrATES, Kansas ? 4, Colorado 2? 4, New Mexico ??*, Arizona ?, Texas ?,
California ??4.—Mxico, Matamoros (Osten Sacken!), Northern Sonora (Morrison),
Amula in Guerrero (H. H. Smith).
Twenty specimens, agreeing well with northern ones.
6. Eristalis ochraceus.
Eristalis ochraceus, Willist. Trans. Am. Ent. Soc. xv. p. 279 '.
Hab. MExico, Teapa in Tabasco (7. 4T. SmitA).—SovrE AMERICA, Brazil !.
A single female example from Teapa agrees well with a type-specimen from Brazil.
The pile of the thorax is very short. The abdomen is red, each segment with a slender
black band preceding the narrow yellow hind margin; the fifth segment is shining
black, except the anterior margin, which is opaque grey, like the first segment ; the
second segment has a lateral triangle, the third and fourth a complete band, shining.
7. Eristalis bellardi.
? Eristalis bogotensis, Macq. Dipt. Exot. ii. 2, p. 52".
Eristalis bellardii, Jaennicke, Neue exot. Dipt., in Abh. Senck. Ges. vi. p. 400 *.
Eristalis rufoscutata, Bigot, Ann. Soc. Ent. Fr. 1880, p. 221 *.
Hab. Mxxico??, Ciudad in Durango (Forrer).—CoroMBiA, Bogota !.
Twelve specimens.
These vary in length from less than 10 to 13 millim. The third segment of the
ERISTALIS. 61
abdomen has an interrupted or subinterrupted, the fourth an entire, shining cross-
band. In the female the black of the second abdominal segment is somewhat greater
in extent, the red of the third segment is confined to the anterior angles, and the
fourth and fifth segments are wholly black, except the yellow hind margin. Macquart's
description of E. bogotensis!, from Santa Fé de Bogota, applies excellently well to the
female; v.d. Wulp's remarks (Tijdschr. v. Ent. xxv. p. 129), however, not so well.
8. Eristalis trigonus, sp. n., & 9. (Tab. II. figg. 4; 4a, head.)
Male. Face amber-coloured, a median stripe, to above the tubercle, shining, above and on the sides densely
yellowish-pollinose and yellow-pilose ; cheeks shining blaek. Frontal triangle blackish in the middle,
the pollen brownish and yellowish, the pile chiefly black. Antenns yellowish-red; arista bare. Eyes
densely pilose. Mesonotum, before the suture, opaque brownish-grey ; behind the suture opaque grey,
with three large opaque velvety-blaek spots—the median one elongate oval or suboval, the lateral ones in
the shape of a right-angled triangle, with the hypothenuse gently concave. Pile of the mesonotum
yellowish-brown. Pleur:z densely grey-pollinose, blackish in the middle above; pile yellow. Seutellum
opaque reddish-brown, more blackish at the base. Abdomen: first segment grey; second segment
yellow, with a large T-shaped opaque black marking, the stem broad, and extending laterally to the
margin posteriorly as a narrow brownish band; third segment with a median opaque black stripe and a
narrow brown or blackish posterior band : fourth segment reddish or brown, with a narrow shining cross-
band ; second, third, and fourth segments each with a narrow light yellow hind margin ; hypopygium
shining black. Legs:-femora, except the tip, tip of four anterior tarsi, and the hind tarsi, black:
elsewhere red; hind femora thickened. Wings hyaline, sometimes tinged with yellow on the basal
anterior part.
Female, Front narrowed above, with an opaque black band below the ocelli and black pile. Abdomen shining
black ; second, third, and fourth segments each with a narrow yellow hind margin and a posterior opaque
black band; second segment with an anterior band, connected broadly in the middle with the posterior
one, the third segment with an anterior oval spot, and the fourth and fifth segments each with an
anterior, narrow band, opaque black.
Length 9—11 millim.
Hab. Mgxico, Xucumanatlan 7000 feet, Omilteme 8000 feet, both in Guerrero
(H. H. Sith).
Four specimens.
9. Eristalis cosmius.
Evistalis cosinius, Schiner, Reise der Novara, Diptera, p. 362 '.
Ilab. MExico, Jalapa (M. Trujillo).—SovrH AMERICA .
A single male specimen from Jalapa seems to belong to this species. 1t differs from
the description in the tip of the scutellum being shining, not *schiefergrau," in the
abdomen being distinctly pilose, in the red spots of the fourth segment being very
small, and in the femora being black, not ** pechsch warz."
10. Eristalis furcatus.
Eristalis furcatus, Wiedem. Zool. Mag. Kiel, i. 3, p. 51'; Aussereur. zweifl. Ins. ii. p. 176^;
Schiner, Reise der Novara, Diptera, p. 362^; v. d. Wulp, Tijdschr. v. Ent. xxv. p. 131;
Willist. Trans. Am. Ent. Soc. xv. p. 279 *.
Eristalis femoratus, Macq. Dipt. Exot. ii. 2, p. 40, t. 9. f. 6*.
62 DIPTERA.
. Hab. Mxxico, Acaguizotla 3500 feet, Chilpancingo 4600 feet, Amula 6000 feet, Rio
Papagaio 1200 feet, Rincon 2800 feet, Tierra Colorada 2000 feet, Tepetlapa 3000 feet,
Dos Arroyos 1000 feet, all in Guerrero, Atoyac in Vera Cruz, Teapa and Frontera in
Tabasco (H. H. Smith), Orizaba (H. H. Smith and F. D. Godman), Temax in Northern
Yucatan (Gawmer).—SovrH AwERICA, Colombia?, Brazil?5, Bahia! ?, Rio Janeiro,
Monte Video! ?, Argentine Republic 4.
Ninety-six specimens, agreeing exactly with Brazilian ones.
11. Eristalis albifrons.
Eristalis albifrons, Wiedem. Aussereur. zweifl. Ins. ii. p. 189' ; Róder, Stett. ent. Zeit. 1885,
p. 941*; Willist. Trans. Am. Ent. Soc. xv. p. 283*.
Eristalis albiceps, Maeq. Dipt. Exot. ii. 2, p. 56*; Willist. Synopsis N.-Am. Syrphids:e, p. 172 *.
Eristalis seniculus, Loew, Centur. vi. no. 63, in Berl. ent. Zeitschr. 1865, p. 168 *.
Hab. UxrreD SmraTES, Carolina4, Florida 5.—Mxx1co, Frontera in Tabasco (AH. H.
Sinith).—SovrH AwrnicA, Brazil 1?; Wzsr IxpirEs, Cuba 9, Porto Rico ?, San Domingo 5.
Fourteen male and two female specimens, agreeing well with others from South
America. The female differs markedly from the male in having a prescutellar ashy
band.?
12. Eristalis tricolor.
Eristalis tricolor, Jaennicke, Neue exot. Dipt., in Abh. Senck. Ges. vi. p. 400',
Hab. Mzxico !, Amula 6000 feet, Rincon 2800 feet, Chilpancingo 4600 feet, Acagui-
zotla 3500 feet, all in Guerrero, Teapa in Tabasco (H. H. Smith), Atoyac in Vera Cruz
(Schumann), Orizaba (H. H. Smith and F. D. Godman), 'Temax in Northern Yucatan
(Gaumer).
Forty specimens.
A. striking, easily recognized species.
18. Eristalis fasciatus.
Eristalis fasciatus, Wiedem. Zool. Mag. Kiel, i. 83, p. 51^; Aussereur. zweifl. Ins, ii. p. 1735;
Macq. Dipt. Exot. ii. 2, p. 57*; Rondani, Studi Ent. p. 68*.
Eristalis podagra, Macq. Dipt. Exot. ii. 2, p. 38^; Willist. Trans. Am. Ent. Soc. xv. p. 281 *.
Eristalis bifasciatus, Macq. Dipt. Exot. 5* Suppl. p. 87".
Hab. Mzxico, Teapa in Tabasco (HJ. H. Smith) ; GUATEMALA, Paraiso (Champion).—
SOUTH ÁMERICA ?, Brazil 1 24567,
Fifteen specimens, agreeing exactly with others from Brazil. The grey clouds in the
marginal and submarginal cells may be wanting, and the third joint of the antennz is
usually dark reddish-brown.
ERISTALIS. 63
-f. ! ] - " Ci, € (-
14. Eristalis EOD MVC EL METUIT nt sa
? Eristalis, sp., Willist. Trans. Am. Ent. Soc. xv. p. 381 '.
Hab. Mzxico, Atoyac in Vera Cruz CH. H. Smith, Schumann), Fortin in Vera Cruz,
Teapa in Tabasco (H. HT. Smit).—Sovrm AMERICA, Brazil 1.
Ten specimens, quite similar, as well as I can recollect, to those mentioned by me
from Brazil (op. cif.). I cannot find any description which will apply to them. They
differ from E. fasciatus, especially, in the lighter coloured antenns, in the broad
interruption of the sutural ashy band, and in the spots of the second abdominal
segment being approximated or subcontiguous anteriorly. "The femora seem somewhat
less incrassate. The species comes yet nearer to E. tcnia, Wiedem., but seems distinct
from it, apart from the interruption of the sutural band, by the almost entire absence
of the ashy colour on the anterior part of the dorsum. The dorsum is opaque black,
with a pointed spot on each lateral suture. "The females have a yellow or red spot on
each side of the third and fourth segments, usually wanting in Z. fasciatus.
15. Eristalis scutellaris.
Milesia scutellaris, Fabr. Syst. Antl. p. 190.
Eristalis scutellaris, Wiedem. Aussereur. zweifl. Ins. ii. p. 159 *; Macq. Dipt. Exot. ii. 3, p. 41*;
Schiner, Reise der Novara, Diptera, p. 364^; Willist. Trans. Am. Ent. Soc. xv. p. 379*.
Palpada scutellata, Macq. Hist. Nat. Dipt., Suites à Buffon, i. p. 513".
Eristalis scutellatus, Macq. Dipt. Exot. ii. 2, p. 387.
Priomerus scutellatus, Bigot, Ann. Soc. Ent. Fr. 1883, p. 222 *.
? Doliosyrphus scutellatus, Bigot, loc. cit. p. 349? (nec Macq.).
Priomerus bimaculatus (Macq.), Bigot, loc. cit. p. 222 "^,
? Eristalis fascithoraz, Macq. Dipt. Exot. 4* Suppl. p. 139".
Doliosyrphus rileyi, Willist. Synopsis N.-Am. Syrphidz, p. 178, t. 8. £. 8",
Hab. UwrrEp SrATES, New Mexico !?, — M Exico, Acapulco, Venta de Zopilote, Atoyac,
Teapa (A. H. Smith) ; PANAMA 9, Bugaba (Champion).—8SovrH AMERICA ! 4, Cayenne ?7,
Brazil ? 5 6,
Eight specimens.
The females agree in all respects with an example of the same sex from Brazil. The
two males are distinctly smaller (11 millim.) than the Brazilian examples of the same
sex which I have for comparison; one of them has the tibie and tarsi reddish-
. yellow.
16. Eristalis vinetorum.
Ssrphus vinetorum, Fabr. Ent. Syst., Suppl. p. 562 '.
Eristalis vinetorum, Fabr. Syst. Antl. p. 2385?; Wiedem. Aussereur. zweifl. Ins. ii. p. 163^; Macq.
Dipt. Exot. ii. 2, p. 41*; Willist. Synopsis N.-Am. Syrphidz, p. 171, t. 7. f. 8a^; Trans.
Am. Ent. Soc. xv. p. 280 *.
64 DIPTERA.
Evistalis trifasciatus, Say, Journ. Acad. Phil. vi. p. 165"; Complete Writings, ii. p. 359 *.
Eristalis uvarum, Walk. List Diptera, iii. p. 623 *.
Hab. NogrvH AMERICA 4, Pennsylvania 5, Indiana 5, Georgia ?, Florida 5 —Mzxico ? 78
CH. H. Smith, &c). ; GuarEMALA (Champion).—SoUTH AMERICA, Guiana^, Brazil ?5$;
Wzsr INprES 1! 2, Cuba *?, Jamaica ?.
Sixty-five specimens, from numerous localities and collectors.
17. Eristalis emulus, sp. n. « 9. (Tab. IL. fig. 5, 8.)
Male. Face densely white-pollinose, with white pile; a median stripe and the cheeks shining black. Antenne
reddish-brown. Frontel triangle elongate, shining black, with black pile, whitish-pollinose on the sides.
Mesonotum with three complete, broad, ashy bands, the first two more or less confluent. Scutellum
wholly light reddish-yellow. Abdomen conical; opaque black; fourth segment with a subinterrupted
metallic band ; second segment with very large light ycllow spots, leaving the black L-shaped, extending
narrowly along the lateral margins ; third segment with a quadrate yellow spot in front on each side,
narrowly separated from the lateral margins; hind margins of the second, third, and fourth segments
narrowly yellow. Legs black, the four anterior tibis at the base yellowish ; hind femora considerably
thickened. Wings hyaline; grey clouds in the marginal, submarginal, and first posterior cells.
Female. Front narrowed above, chiefly opaque brown, shining below; pile black. The yellow spots of the
seeond abdominal segment smaller, leaving a broader posterior band; third and fourth segments shining
metallie anteriorly, opaque black before the yellow hind margin; third segment with a rounded opaque
spot in the middle in front.
Length 10-19 millim.
Hab. Mexico, Rio Papagaio 1200 feet, Chilpancingo 4600 feet, Rincon 2800 feet,
Venta de Zopilote 2800 feet, all in Guerrero (77. IJ. Smith); GvATEMALA, San Geró-
nimo (Champion) ; PANAMA, Bugaba (Champion).
Thirteen specimens.
This species is closely allied to the one mentioned by me from Brazil (Trans. Àm.
Ent. Soc. xv. p. 280) as possibly being .É. agrorum. It differs, however, in the con-
tiguity of the male eyes being considerably less in extent, in the spots of the second and
third segments not reaching quite to the margins, and in the hind femora being
less thickened.
18. Eristalis ?
Hab. Mxxico, Teapa in Tabasco (77. H. Smith).
A single female specimen of a species allied to E. emulus. It is smaller, the hind
femora are but little thickened, the tibi: are more red, the outer cells of the wings
are without grey clouds, the spots of the second abdominal segment are mostly shining
metallic, and the remainiug segments are opaque, with a narrow, shining metallic,
complete band.
19. Eristalis minutalis, sp. n., c 9. (Tab. II. figg. 6, 9 ; 6a, head.)
5o
Face densely, nearly white-, pollinose and pilose. Checks, a medion facial stripe, and a small spot on the
frontal triangle shiniug black. Frontal triangle black-pilose. Eyes narrowly contiguous. Antenne
ERISTALIS. 65
reddish-yellow ; first two joints blackish. Mesonotum opaque black, with three complete ashy bands.
Scutellum black, with a rounded yellow spot at the apex (variable?). Pleurz ashy-pollinose. Abdomen
opaque black ; a narrow, interrupted or entire, band on the third and fourth segments, shining ; second
segment with two oval spots, broadly separated ; the anterior angles of the third segment, and the
narrow hind margins of the second, third, and fourth segments, yellow. Legs black; base of the four
anterior tibie, and the base of the middle tarsi, yellow ; hind femora much thickened. Wings hyaline.
Front moderately narrowed above, with an opaque black band below the middle, narrowly extending
down a short distance in the centre. Fifth abdominal segment like the fourth.
Length 6-7 millim,
Hab. MExico, Teapa in Tabasco (ZJ. H. Smith).
Five specimens.
In only one of the three females is the scutellum as in the males; in the others it is
yellow, with the base narrowly black. "This female with the scutellum like that of the
males has no yellow on the anterior angles of the third abdominal segment, "The
front tarsi may be yellowish at the base. From E. pusio and. E. pygmaus, the species
may be easily distinguished by the incrassate hind femora.
20. Eristalis rufiventris.
Eristalis rufiventris, Macq. Dipt. Exot. l* Suppl. p. 129'; Willist. Trans. Am. Ent. Soc. xv.
p. 282.
Hab. Mxxico, Teapa in Tabasco (Z7. /J. Smith)—SovrmH AwERICA, Colombia T.
Brazil ?.
A number of examples, both male and female, agree so well in every respect, save
in the colour of the second abdominal segment, with a male specimen from Brazil
identified as E. rwfiventris, that I believe they belong to the same species. The
second segment does not have a distinct black interval in the middle, but is narrowly
brownish.
I
/ LJ ); Ü -
9 — -— N S c L3 LLa C aa | ce I rund X cy
v / ' !
21. Eristalis BG |
Hab. MExico, Teapa and Frontera in Tabasco (77. ZH. Smit).
/ ,
/ f
t
One hundred and twenty specimens.
It is not at all impossible that this species has been described, but, belonging as it
does to a very difficult group, I cannot identify it. It has three ashy thoracic bands,
separated by opaque black; the antennw yellowish-red ; the frontal triangle with
black pile. The abdomen in the male is red or yellowish-red, the second segment
with an opaque black stripe, expanded posteriorly, the third and fourth segments with
a narrow shining band, that of the third often obsolete; the hypopygium shining
black. In the female, the third and fourth abdominal segments are black in the
middle, and, sometimes, behind. The hind femora are only a little thickened.
Length 8-10 millim.
BIOL. CENTR.-AMER., Dipt., Vol. IITI., February 1892. k
l————————————————————————————————————————— AAA —— ÉEE——M—————————————————————————————————————————————————————
66 DIPTERA.
There are also the following described species from within our limits :—
Biristalis diminutus, Walk. List Diptera, iii. p. 022.—Mexico.
expictus, Walk. Trans. Ent. Soc. Lond. new ser. v. p. 290.—Mexico.
familiaris, Walk. loc. cit.—Mexico.
— — meaicanus, Macq. Dipt. Exot. 2* Suppl. p. 75.— Mexico.
fulvipes, Bigot, Ann. Soc. Ent. Fr. 1880, p. 225.— Mexico.
sackenis, Bigot, loc. cit. p. 224.—Mexico.
LYCASTRIRHYNCHA.
Lycastrirhyncha, Bigot, Rev. et Mag. Zool. 1859, p. 307.
1. Lycastrirhyncha nitens.
? Lycastrirhyncha nitens, Bigot, Rev. et Mag. Zool. 1859, p. 307 '.
Hab. Mzxico, Vera Cruz (H. H. Smith).—SovrH AMERICA, Amazons !.
This very peculiar Eristalid is, I believe, entitled to generic rank. "The epistoma is
produced into a conical, elongate snout, quite like that of Ahingia. The male is
dichoptic and the hind femora are thickened. "The eyes are bare. As the diagnosis
given by Bigot is inadequate to determine the species with certainty, I here give a
brief description of our specimens :—
Male. Face thickly yellowish-dusted, in the middle and on the upper part of the snout metallic black.
Antenns red. Front opaque black across the middle, shining above and below. Mesonotum metallic
bluish-black, with a broad, interrupted, lateral, posteriorly geminate stripe, and four slender median
stripes, coalescent in vwo pairs posteriorly, opaque black. Scutellum opaque black at the base, the apex
shining. Abdomen opaque black; a spot on the posterior margin of the third segment, and the
cylindrieal fourth segment, except three equidistant round opaque black spots, and the hypopygium,
shining metallic ; second segment on each side with a large, the third with a smaller, spot, yellow.
Legs black ; knees, base of femora, and middle metatarsi yellow. Wings hyaline.
Female. Front on each side with an opaque spot. Third, fourth, and fifth abdominal segments shining
metallie, the two former each with three equidistant opaque black spots and a narrow yellow hind
margin.
. Length, including snout, 8-9 millim.
This description, it will be seen, differs materially from Bigot's diagnosis; but it
will be time enough to name our form when its specific distinction shall be shown.
PTEROPTILA.
Plagiocera, Macquart, Dipt. Exot. ii. 2, p. 59 (1842) (nec Klug).
Pteroptila, Loew, Centur. vi. no. 59, in Berl. ent. Zeitschr. 1865, p. 165.
1. Pteroptila crucigera.
Milesia acuta, Fabr. Syst. Antl. p. 189' ; Wiedem. Aussereur. zweifl. Ins. ii. p. 110 (translation
from Fabricius) *.
PTEROPTILA.—HELOPHILUS, 61
Milesia cruciger, Wiedem. Aussereur. zweifl. Ins. ii. p. 105 *.
Plagiocera cruciger, Maecq. Dipt. Exot. ii. 9, p. 60, t. 10. £. 7 *.
Pteropiila crucigera, Willist. Synopsis N.-Am. Syrphidz, p. 180, t. 8. figz. 1, 1a-c *.
Mallota millesiformis, Macq. Hist. Nat. Dipt. i. p. 500 *.
Haó. UxrrgD STATES, Georgia ? 45, Carolina! 2, Florida, Texas? .—Mkxico, Northern
Sonora ( Morrison), Atoyac in Vera Cruz, Teapa in Tabasco (H, H. Smith), Yucatan$
(Gaumer).—UCuna * 6,
A male specimen from Teapa agrees throughout with the detailed description given
by me, though it is only twelve millim. in length. A female from Atoyac has the facial
stripe almost wholly red, the black mesonotal stripes mostly wanting, the scutellum
lighter, and the hind femora almost entirely black. .A male from Yucatan has the
face and front wholly reddish, the mesonotal stripes wanting, the scutellum red, and
the second abdominal segment largely red. "Two other examples, both males, from
Sonora and Teapa, agree with the last-mentioned specimen in the colour of the head
and thorax; but they have the abdomen almost wholly red and reddish-brown—the
firs& segment and a narrow stripe at the base of the second opaque black, and the
hind femora almost entirely black; these specimens measure 14-15 millim. in length.
I believe that they all belong to one species, though showing a variation not previously
suspected.
2. Pteroptila zonata.
Pteroptila zonata, Loew, Centur. vi. no. 60, in Berl. ent. Zeitschr. 1865, p. 165 ' ; Willist. Synopsis
N.-Am. Syrphidi, p. 182 (translation).
Hab. Mxxico !, Xucumanatlan 7000 feet, and Omilteme 8000 feet, both in Guerrero
(HI. H. Smith).
I may add to Loew's description, which applies well to the three specimens received,
that, between the white tomentose spots of the anterior part of the thorax, the black
is velvety, as is also the second abdominal segment before the yellow cross-band. In
the female the front is black, the femora are black, except their tips, and the four
front tibize are black at the distal end.
A. single, female, specimen from Volcan de Chiriqui (Champion) differs in its larger
size (16 millim.), and in having the pile of the sides of the thorax and of the first
abdominal segment brassy-yellow ; the legs darker (all the tarsi and the ends of the
hind tibice being blackish) and with yellow pile; and the costal cell dark brown, not
nearly hyaline. I believe that it belongs to a distinct species; at all events, the
variety is a well-marked one, and may be known as P. /oewi.
HELOPHILUS.
Elophilus, Meigen, in llliger's Magazin, ii. p. 274 (1803).
Asemosyrphus, Bigot, Bull. Soc. Ent. Fr. 1882, p. exxviii, and Ann. Soc. Ent. Fr. 1883, p. 288.
k 2
68 DIPTERA.
1. Helophilus latifrons.
Helophilus latifrons, Loew, Centur. iv. no. 73, in Berl. ent. Zeitschr. 1863, p. 313 ' ; Osten Sacken,
Western Dipt., in Bull. U.S. Geol. & Geogr. Survey, iii. p. 337 ? ; Willist. Synopsis N.-Am.
Syrphidz, p. 188 *.
Hab. NogrH AwEmicA, Red River, Washington ?, Wyoming ?, Oregon ?, Montana ?,
Nebraska !, Massachusetts?, Connecticut ?, Western Kansas?; California ?. —M kExico,
Amula in Guerrero 6000 feet (H. H. Smit).
Five specimens, which present no noteworthy differences from those of the United
States.
2. Helophilus mexicanus.
Helophilus mezicanus, Macq. Dipt. Exot. ii. 2, p. 64, t. 11. f. 2'; Osten Sacken, Cat. Dipt. 2nd ed.
pp. 134, 267^; Willist. Synopsis N.-Am. Syrphidze, p. 186, t. 8. f. 7*.
Helophilus polygrammus, Loew, Centur. x. no. 55, in Berl. ent. Zeitschr. 1872, p. 85^; Osten
Sacken, Western Dipt., in Bull. U.S. Geol. & Geogr. Survey, in. p. 338".
Asemosyrphus bicolor, Bigot, Ann. Soc. Ent. Fr. 1883, p. 350.
Asemosyrphus oculiferus, Bigot, loc. cit. p. 350 *.
Asemosyrphus flavicaudatus, Bigot, loc. cit. p. 351".
Asemosyrphus nigroscutatus, Bigot, loc. cit. p. 351".
Hab. UwrrgD. SrarES, Washington?, California?4^57,— Mxx1c0! ?978, Omilteme
8000 feet, Chilpancingo 4600 feet, Xucumanatlan 7000 feet, 'Tepetlapa 3000 feet,
all in Guerrero (H. H. Smith), Jalisco (Schumann), Mexico city (F. D. Godman),
Orizaba (.H. H. Smith and F. D. Godman).
Thirty-seven specimens. "These show colorational variations, and it is hard to say
whether the differences are of varietal or specific value. 1n length they vary from
seven to nearly twelve millim. In the shape and colour of the head there are no
appreciable differences.
Seven specimens, including both sexes, from Mexico city and Jalisco, have the meso-
notum of a distinctly olivaceous-greenish appearance, with a metallic lustre, and the
pile wholly yellow. "The remainder, from Mexico city, Jalisco, and the other places
mentioned, have the mesonotum opaque cinereous, without apparent metallic or
greenish lustre; in all, the oblique line on the outer posterior part may be wanting.
The three males of the first-mentioned variety have the abdomen red, with the first
segment, and a triangular spot on the second, black, the fourth segment with a lunule;
these specimens must be very similar to those described by Bigot under the name of
Asemosyrphus bicolor. 'The remaining males, eleven, with opaque mesonotum, are all
nearly uniform in length (about seven millim.), and agree in having the second abdo-
minal segment opaque black, with two grey lunules; the third segment with the
posterior and lateral margins broadly red, leaving an oval, opaque, black portion, upon
which partly rest two much curved grey lunules; the fourth segment with two small
HELOPHILUS.—MALLOTA. 69
black spots in front. The females of the first variety agree pretty well with the
description given in my *Synopsis' 3. "Those of the second variety have the abdomen
wholly black, save the narrow hind margin of segments 2—4, with three pairs of grey
lunules; the second segment narrowly shining on the sides, the third more broadly on
the sides and behind, the fourth wholly, except the small spots in front of the lunules.
The legs in the first variety, in both male and female, have the hind tibize wholly red,
thus agreeing with JJ. bicolor (Bigot); those of the second have the tip somewhat
darker.
Now, of the four forms which Bigot had, the first (/7. bicolor) is represented by the
first variety ; the second (H. oculiferus) by that described by me in the * Synopsis'?; the
third (H. ffavicaudatus) by the second. variety ; and the fourth (Z7. nigroscutatus, the
locality for which is not given by Bigot?) presents such slight differences that it is
scarcely worth mentioning. Of all these, Z7. /favicaudatus alone is, I think, entitled
to a name, whether varietal or specific. Macquart's original Zf. mezicanus seems to be
the same as Loew's A. polygrammus and. Digot's H. oculiferus.
The generic characters given by Digot for 4semosyrphus ave very inadequate; at the
same time, he overlooked the only really important structural variation that the species
presents, viz. the remoteness of the ocelli from each other. "That Bigot mistook the
sex of his specimens is surprising : the hypopygium is not at all concealed.
MALLOTA.
Mallota, Meigen, Syst. Beschr. iii. p. 377 (1822).
Synopsis of the Central- American species.
l. Third joint of the antenn:s elongate oval . . . . . . . . . . championi, sp. n.
Third joint of the antennz as broad aslong . . . . . . . . . 2.
2. Abdomen shining red, with similarly coloured pille. . . . . . . smithi, sp. n.
Abdomen deepblack . . . 4. . . «. . « - « . . . 4. S
3. Abdomen clothed with black pile throughout. . . . . . . . . sackeni, Willist.
Terminal abdominal segments with bright orange or yellow pille . . margarita, sp. u.
1. Mallota (?; championi, sp. n., «.
Eyes pilose; third joint of the antennc twice as long as wide; abdomen shining bronze, with yellow pile ;
wings brown in front. Eyes narrowly contiguous. Frontal triangle and face shining black, the former
with black, the latter with yellow, pile. Antennz brownish-red; third joint elongate oval, obtusely
pointed. Mesonotum subopaque blackish-brown, elothed with moderately long, abundant, light yellow
pile, which, however, does not obscure the ground-ecolour; a tuft of bright, sulphur-yellow pile on the
outer end of the suture and upper part of the pleurz. Pleursw black, nearly bare. Scutellum. obscure
yellowish, with yellow pile. Abdomen shining metallie bronze; second segment, except the sides and
hind margin, and a very small spot on the front of the third segment, opaque black ; clothed with abun-
dant, erect, light yellow pile. Legs yellow; femora, except the tip, black; hind femora moderately
incrassate; hind tibie curved and compressed. Wings nearly hyaline ; brown along the fore part, the
eostal cell and the base of the marginal ecll more yellow.
Length 11 millim.
10 DIPTERA.
Hah. Mzxico, Amula in Guerrero 6000 feet (I. H. Smith).
One specimen.
This species is not a true J/a//lofa, by reason of the form of the third antennal joint,
but I know not where else to place it.
2. Mallota sackeni.
Mallota posticata, Osten Sacken, Western Dipt., in Bull. U. S. Geol. & Geogr. Survey, iii. p. 338"
(nec Fabr.).
Mallota sackeni, Wilist. Proc. Am. Phil. Soc. xx. p. 824*; Synopsis N.-Am. Syrphidz, p. 204,
t. 8. fig. 14.
Hab. Uxrrgp SraTES, Washington ? 3, California !, Texas ?.—M Exroo, Jaral in Guana-
juato (Schumann).
A single, injured, specimen.
3. Mallota margarita, sp.n. c 9. (Tab. II.figg. 7, 9; 74, head ; 75, hind
leg.)
Deep black, with long and abundant, deep black pile, save on the terminal abdominal segments, where it is
bright orange-red orlight yellow. Eyes bare; in the male narrowly separated below the ocelli. Face
whitish-pollinose on the sides, shining black elsewhere. Antennz black, the third joint dark reddish-
brown; aristared. Front of the female opaque black, shining below. —Mesonotum, as seen through the
pile, shining in the middle behind. Abdomen opaque black, the black concealed by the pile; the last
one or two segments with yellow- or orange-red pile; hypopygium bare, large,subshining. Legs densely
black-pilose ; all the tarsi yellowish-red ; hind femora moderately thickened; hind tibie dilated. Wings
dark brown, subhyaline distally and along the narrow posterior border.
Length 14—16 millim.
Hab. MExxico, Xucumanatlan 7000 feet, Omilteme 8000 feet, both in Guerrero
(H. H. Smith).
Fight specimens.
À very striking species, respectfully dedicated to Mrs. H. H. Smith, the indefatigable
companion of her husband in his travels.
4. Mallota smithi, sp.n. d 9. (Tab. II. figg. 8, 9; 8a, head ; 85, hindleg.)
' 'horax thickly fulvous-pilose; abdomen shining red; wings subhyaline, with a brown spot. Eyes bare,
in the male narrowly separated below the ocelli. The triangles and the female front mostly opaque,
clothed with black pile. Antenn» black; third joint and arista reddish-brown or brownish-red. Face,
on the sides, thickly clothed with yellowish-white pollen and pile; in the middle, and the cheeks, shining
black. Thorax clothed thiekly with long and abundant, reddish-yellow pile, obscuring the opaque black
ground-ecolour; scutellum similarly elothed, itself red. Abdomen shining red throughout, clothed with
short, yellowish-red and some black pile. Legs black; middle femora at the base, the hind femora
largely, and a ring on the hind tibim, sometimes red; front and middle femora with long yellow pile
behind, the hind femora with black and yellow pile; hind femora considerably thickened ; hind tibie curved
and dilated. "Wings subhyaline, a large diffuse, brownish spot near the middle.
Length 10-12 millim.
MALLOTA.—XYLOTA. 11
Hab. Mxzxico, Omilteme in Guerrero 8000 feet (I7. H. Smith).
Fourteen specimens.
A species scarcely less striking in appearance than the preceding. Respectfully
dedicated to Mr. Herbert H. Smith.
XYLOTA.
Xylota, Meigen, Syst. Beschr. iii. p. 211 (1822).
Micraptoma, Westwood, Intr. to the Modern Class. of Ins. ii., Syn. Gen. Brit. Ins. p. 136 (1840).
Synopsis of the Central- American species.
l. Abdomen andlegs red. . . . . . . . . . . . .« . . ruWfipes, sp. n.
Abdomen and legs for the most part black. . . . . . . . 2.
2. Second abdominal segment and the anterior metatarsi light yellow | pauzilla, sp. n.
Second abdominal segment with or without a small yellow spot . 3.
3. Hind coxz of male withoutspur . . . , . . Órachygaster, sp. n.
4
Hind coxz of male with spur; abdomen contracted basally . . sfenogaster, sp. n.
1. Xylota rufipes, sp. n., « 9.
Male. Abdomen, except the first segment, and the legs, red. — Vertical triangle elongate, shiniug black ; eyes
narrowly contiguous. Frontal triangle and faece black, thinly whitish-pollinose, variable in differeut
reflections. First two joints of the antenn: black; third joint large, brownish-red or reddish-brown.
"Thorax and seutellum black, feebly shining. Abdomen red; first segment shining black. Legs of the
colour of the abdomen ; cox& black ; four front femora at the base, and the tip of the hind tibi:w, blackish ;
four front tarsi more yellowish, with their tips blackish ; hind tarsi black; hind femora moderately
thickened, setulose below ; hind cox: with a spur. Wings tinged with yellow, the stigma brown ; third
vein gently eoncave before the first posterior cell.
Female. Front shining black, with a narrow pollinose band; an indication of an opaque stripe on the second
abdominal segment ; no spur on the hind coxz.
Length 10-11 millim.
Hab. MExico, Omilteme in Guerrero 8000 feet (H. H. Smith).
Four specimens. "WIL"
' his species is nearest allied to X. bicolor, Loew, but may be distinguished by the
red legs and coxal spur of the male.
2. Xylota pauxilla, sp. n., c 9. (Tab. IL fig. 9, 4; 9a, head ; 95, hind leg.)
Male. Face black, in profile much receding, covered with a variable whitish dust, the oral margin in front
reddish ; frontal triangle with a large shining spot. Antennte black ; third joint large, a little elongate,
about twice as long as wide; arista yellowish. Vertical triangle slender, acute in front, greyish-dusted.
Mesonotum black, moderately shining, clothed, in large part, with short, dense, erect yellow pile,
which, in some reflections, gives a yellowish colour to the surface. Beutellum and pleure black.
Abdomen: first segment subshining metallie black ; second segment yellow, with an anterior triangular
and posterior crescentie opaque blaek band; third segment opaque black, shining bronze on the sides ;
fourth segment shining bronze, clothed on the posterior part with dense, recumbent, yellow pile. Legs
black ; the base of all the tibi: and the first two Joints of the four anterior tarsi light yellow ; the first two
-1
L5
DIPTERA.
or three joints of the hind tarsi yellowish-brown ; hind femora much thickened, the hind tibi; correspond-
ingly curved; hind coxz unarmed. Wings tinged with brownish, more strongly so distaliy.
Female. Front shining metallescent black, with a pollinose band across the middle. Second abdominal
segment with a median brown linear stripe.
Length 10 millim.
Hab. MxExico, Omilteme 8000 feet, Xucumanatlan 7000 feet, both in Guerrero
CH. H. Smith).
Four specimens.
'This species has a markedly coarctate abdomen in the male, less so in the female.
It is nearest allied to X. angustiventris, Loew (elongata, Willist.).
3. Xylota stenogaster, sp.n., s 9.
Male. Face black or brownish-black, whitish-pollinose, variable in different reflections. Antenns blackish-
brown; third joint large, oval; arista yellow. Frontal triangle with a large shining spot. Mesonotum
opaque blue-black, with two narrow, purplishstripes. Pleurm blue-black, with white pile. Scutellum
somewhat shining. : Abdomen deep shining steel-blue; second and third segments each with a posterior
opaque black band; second segment moderately.narrowed, with concave sides. Legs brownish-black (or
black), the tarsi darker. except the middle metatarsi; hind femora considerably thickened ; hind coxsm
with a slender, sharp spur. Wings on the basal half and behind subhyaline, on the distal half in
front blackish.
Female. Front shining black, with an obscure pollinose band. Second abdominal segment but little contracted,
opaque, broadly shining on the sides, only a littie contracted. Legs black.
Length 10-11 millim.
Lab. Mxxico, Omilteme in Guerrero 8000 feet (Z7. H. Smith); GuaTEMALA, Purula
in Vera Paz (Champion).
4. Xylota brachygaster, sp. n., &.
Frontal triangle and face black, rather densely covered with white pollen, the cheeks and a spot above the
anteunz bare and shining. Antennz black ; third joint more brown, scarcely longer than broad ; arista
yellow. Mesonotum opaque brownish-black, somewhat metallescent. Seutellum bronze. Abdomen
rather short and broad, with parallel sides; opaque black; first segment coloured like the scutellum ;
second and third segments each with a yellow spot on the lateral margin. Legs black, the knees
yellowish; first joint of the four anterior tarsi and the base of the second yellow; hind femora
moderately thickened ; hind cox;e unarmed. Wings with the front border brown ; subhyaline behind.
Length 12 millim.
Hab. MExico, Omilteme in Guerrero 8000 feet (H. H. Smith).
One specimen.
CRIOPRORA.
Crioprora, Osten Sacken, Cat. Dipt. 2nd ed. p. 251, note 241 (1878) ; Williston, Synopsis N.-Am.
Syrphidi, p. 217.
Romaleosyrphus, Bigot, Ann. Soc. Ent. Fr. 1883, p. 356.
1. Crioprora villosa.
Romaleosyrphus villosus, Bigot, Aun. Soc. Ent. Fr. 1883, p. 356 '.
Hab. MExico !.
SYRITTA.—SPILOMYIA. "b:
SYRITTA.
Syritta, St.-Fargeau & Serville, Encycl. Méthod. x. p. 808 (1825).
Coprina, Zetterstedt, Ins. Lapp. p. 584 (1840).
Planes, Rondani, Archiv. per la Zool. iii. p. 9 (1864).
1. Syritta vagans.
Xylota vagans, Wiedem. Aussereur. zweifl. Ins. ii. p. 101 '.
Planes vagans, Rond. Archiv. per la Zool. iii. p. 9*,
Syritta americana, Schiner, Reise der Novara, Diptera, p. 367? ; Willist. Trans. Am. Ent. Soc. xv.
p. 2854.
Syritta mexicana, Bigot, Ann. Soc. Ent. Fr. 1883, p. 5395.
Hab. Mxxico?, Atoyacin Vera Cruz (H. H. Smith); CosrA RicA, Caché (Rogers).
—SovTH AMERICA ?, Brazil! 4.
Four specimens, agreeing closely with those from Brazil mentioned by me in the
above-cited paper^. Bigot's description applies well.
CERIOGASTER.
Ceriogaster, Williston, Trans. Am. Ent. Soc. xv. p. 285 (1888).
'The generic description given by me will only require some minor modifications to
include the Mexican species described below. In C. ewricaudata the face is obtusely
carinate, nearly straight in profile; the scutellum is small, but not thinned; the hind
femora are only a little thickened ; and the front tarsi are but feebly dilated.
1. Ceriogaster auricaudata, sp.n. s 9. (Tab. II. figg. 10, 9; 10a, head.)
Face and cheeks shining black, the former with a lateral, oblique, yellowish-pollinose stripe. Frontal triangle
yellowish-grey-pollinose on its margins, shining black in its middle; front of the female opaque black,
shining below. Antennze brownish-red; third joint trapezoidal in shape. Thorax opaque brownish-
black; along the suture on each side a narrow opaque velvety-black spot; pile very short, yellowish.
Abdomen: first segment deep opaque velvety-black, shining on the sides, narrowly fringed with yellow
pile behind; second segment with a narrow band in front, and a large triangle posteriorly, opaque black,
the sides, and in front of the triangle, shining metallic, the posterior margin with a narrow fringe of
yellow pile; third segment opaque brownish-black, with a broader margin behind of yellow pile; fourth
segment shining, butits surface mostly concealed beneath the reeumbent, light sulphur-yellow pile. Legs
black; knees yellow. Wings in front brown; behind, including the anal angle and cell, and the discal
and posterior cells, except the anterior part of the first posterior cell, nearly hyaline.
Length 12-13 millim.
Hab. MExico, Omilteme in Guerrero 8000 feet (H. /T. Smith).
Two specimens.
SPILOM YIA.
Spilomyia, Meigen, in Illiger's Magazin, ii. p. 273 (1803).
Mistemyia, Macquart, Hist. Nat., Dipt. 1. p. 491 (1834).
BIOL. CENTR.-AMER., Dipt., Vol. IIT., May 1892. !
14 DIPTERA.
1. Spilomyia pallipes.
Spilomyia pallipes, Bigot, Ann. Soc. Ent. Fr. 1883, p. 352.
Hab. Mzxioco !.
2. Spilomyia pleuralis. «
Spilomyia pleuralis, Willist. Synopsis N.-Am. Syrphidze, p. 247 '.
Hab. Mxxico !.
3. Spilomyia (Mixtemyia) ephippium.
Mivtemyia ephippium, Osten Sacken, Bull. Buffalo Soc. iii. p. 70' ; Cat. Dipt. 2nd ed. p. 254,
note 255 *.
Spilomyia (Mixstemyia) ephippium, Willst. Synopsis N.-Am. Syrphidz, p. 249 *.
Hab. Mxxico ! ?3,
MILESIA.
Milesia, Latreille, Hist. Nat. Crust. et Ins. xiv. p. 361 (1805).
Sphixea, Rondani, Dipt. Ital. Prodr. ii. p. 68 (1857).
1. Milesia pulchra, sp.n., &. (Tab.II. fige. 11, 6 ; 11a, head in profile ; 11 2,
head from in front ; 11 c, hind leg.)
In structure, like M. ornata, Fabr. Vertical triangle elongate, golden-pollinose before the ocelli. Face and
frontal triangle light opaque yellow ; a small blackish spot just above the base of the antenns, and a
-— lack facial stripe, reaching about halfway to the antenns; cheeks shining black. Antenns black;
third joint brownish-red or reddish-brown. Mesonotum brownish-black, nearly opaque, with light yellow
"opaque markings as folows:—a pair of narrow median stripes, gently divergent posteriorly, and
terminating acutely either in a transverse band in front of the seutellum, or near it, and united at the
suture on either side with a narrow transverse spot from the root of the wing; in front, distinct from a
round spot on each humerus. Pleurse with two similarly coloured spots, as in M. ornata; iu addition,
behind them, there is a yellowish triangular spot, terminating aeutely on the middle coxs. Scutellum
black, with a yellow border, as in M. ornata. Abdomen: a spot on each side of the first segment, and the
fourth segment, behind the yellow eross-band, shining metallie bluish-black; first segment yellow on the
sides; second segment opaque black, with a shining yellowish cross-band posteriorly, and an opaque
yellow one anteriorly : third segment similar to the second, the yellow side-spots with less rounded
inner ends, the shining band a litile wider; fourth segment with a broader yellow band in front, the
posterior margin of which is oblique and sinuous, opaque black in the interruption ; pile on the yellow parts
yellow, elsewhere black, longer than in M. ornata. Legs: femora reddish-yellow and black; middle
tibie and tarsi wholly light yellow ; front tibi; yellow, black distally; hind tibi black, with the base
yellow; front and hind tarsi black. Wings brownish-yellow in front, posteriorly nearly hyaline toward
the base, clouded distally.
Length 18-20 millim.
Hab. GUATEMALA, Purula and Senahu in Vera Paz (Champion).
Three specimens
CERIA.
Ceria, Fabricius, Ent. Syst. iv. p. 277 (1794) (nec Scopoli, 1763).
Sphizimorpha, Rondani, Ann. Soc. Ent. Fr. ii. p. 212 (1850).
CERIA.
15
Synopsis of the recognized Central- American species.
. Antenniferous process slender, as long as the first joint of the
antennae . ,
Antenniferous process disiinetiy shorter E the first joint of the
antenne . . . f. .
. Wings dark brownish- hladk. with. à silyaline space üt the optó
posterior part . :
Wings hyaline, with the dutledio - bs or huoohdsb:.
. Very large red species, with yellow markings .
Moderately large, black and yellow species, the Selle pre-
dominating ; "E
. Antenniferous process Mlinót sholly Santiugs first joint of the
antennz nearly as long as the following two joints together
Antenniferous process at least one-fourth of the length of the first
joint of the antennze ; p'A NT rA ne.
. Second abdominal segment as ond. as lotis ( d), the fourth seg-
ment shorter than the third ; black, less slender species
Second abdominal segment more or less cylindrical .
6. Thorax wholly black .
Thorax more or less yellow . Uwoy
7. Sides of the metanotum with a conspicuous yétion spot
Metanotum wholly black . . . . . T
8. A large trapezoidal yellow spot in front of the APT
Two small, oblique spots in front of the scutellum
9. Fourth abdominal segment markedly longer than the third
Fourth abdominal segment a little shorter than the third .
1. Ceria nigripennis.
Ceria nigripennis, Willist. Synopsis N.-AÀm. Syrphidze, p. 263?.
Hab. Mxxico 1.
2. Ceria superba.
Ceria superba, Willst. Synopsis N.-Am. Syrphidz, p. 264 '.
Hab. Mzxico !.
3. Ceria verralli, sp. n., «.
nigripennis, Willist.
8.
superba, Willist.
verralli, sp. n.
signifera, Loew.
meadei, sp. n.
6.
bergrothi, sp. n.
"d
8.
9.
scutellata, Willst.
schnablei, sp. n.
nigra, Bigot.
pedicellata, Willist.
Face light sulphur-yellow, a stripe on the cheeks, and a narrow one on the facial tubercle, extended as a
light greenish or brownish stripe to the antenns, black ; on either side, above, a small brown spot within
a larger, oblique, light greenish one. Vertical and frontal triangles coloured like the face ; at the base of
the antenn:, a black spot extending out towards the orbit. Antenniferous process brownish-red ; slender,
longer than the first joint of the antenns. First joint of the antennsz reddish-brown, slightly longer
than the second; second and third joints yellowish-red ; third joint a little shorter than the. second.
Thorax yellow, like the face; mesonotum with three opaque black stripes, the median one dividing
Y-like behind the suture to blend with the posterior end of the lateral stripes; in front of the scutellum
(2
76 DIPTERA.
an elongate black spot, leaving the yellow in the shape of a V or U ; a small black spot above the roof. of
the wings, and in the bottom of the suture; between the black stripes the yellow is opaque: pectus,
sutures, and metanotum shining black, the latter covered with dense yellow pollen. Abdomen slender,
black; first segment yellow on the sides; second segment with the base and the broad posterior margin
yellow; third and fourth segments with a broad, biarcuate, narrowly interrupted, median band, and the
broad hind margin, and the remainder of the abdomen wholly, yellow; fourth segment a little longer
than the third. Legs light yellow, the femora with black streaks; hind femora considerably thickened.
Wings brownish in front, nearly hyaline behind.
Length 14 millim.
Hab. PANAMA, David (Champion).
One specimen. One of the handsomest species of the genus.
4. Oeria signifera.
Ceria signifera, Loew, Neue Beitrüge, i. p. 18' ; Willist. Synopsis N.-Am. Syrphidz, p. 262^.
Hab. UwrrgD SraATES, Texas ?, Florida ?.— M xx1co !.
5. Ceria meadei, sp. n, &. (Tab. II. figg. 12, &; 12 «, head in profile; 124,
head from in front.)
Frontal triangle and face shining black ; a narrow stripe on either side of the middle, running to the oral
margin, a small spot near the orbits, and the narrow orbital margins of the frontal triangle, yellow.
Antenniferous process about one-half the length of the first joint of the antennsz, in colour obscure
reddish-yellow. Antenne black, the third joint narrowly red at the base; second and third joints of
about equal length, both shorter than the first; style slender, silvery. Thorax subopaque, black ;
mesonotum scrobiculate ; humeri with a small or minute yellow spot; the sutures very narrowly golden-
pollinose. Abdomen short, stout, the second segment only moderately narrowed in front; fourth segment
distinctly shorter than the third; second segment with a slender yellow hind margin; third and fourth
segments with a broad yellow hind margin, the third, before the yellow band, with a biarcuate golden-
pollinose band, the fourth with a broad golden-pollinose band, leaving the black as a slender anterior
margin, and a slender band behind; hypopygium yellow. Legs black, the knees very narrowly yellow ;
hind femora but little thickened. "Wings brown in front, hyaline behind.
Length 10-12 millim.
Hab. MEx1co, Xucumanatlan in Guerrero 7000 feet (JJ. H. SmitA).
Three specimens.
6. Ceria scutellata.
Ceria scutellata, Willist. Synopsis N.-Am. Syrphidz, p. 265 '.
Hab. Mgxico, Isthmus of Tehuantepec !.
7. Ceria schnablei, sp. n., «.
Face and cheeks ferruginous-red ; an oblique stripe on either side running to the oral margin, the cheeks
behind, and the orbital margins of the frontal triangle, yellow. — Antenniferous process fully half as long
as the first antennal joint, red, First joint of the antenn:w reddish-black, but little longer than the
Thorax deep red; mesonotum finely roughened; a stripe on either side from the suture nearly to the
scutellum, two small oblique spots in front of the seutellum and one on the humeri, yellow ; on the
inner side of the vittule, a black space. Pleurw with two slender vertical stripes and a large spot on the
CERIA. T1
sides of the metanotum, yellow. Scutellum yellow, with a black band across the middle. Abdomen
dark red, the base of the second segment and the narrow hind margin of the second and third segments
yellow ; second segment cylindrical in front, broad behind ; fourth segment longer than the third. Legs
brownish-red, the anterior tarsi more yellow, the hind tarsi blackish; hind femora much thickened, the
thiekening greater on the basal half. Wings brown in front; behind, toward the base, yellowish,
distally hyaline.
Length 14 millim.
Hab. Mxx1co, Atoyac in Vera Cruz (I. H. Smith).
Two specimens.
"This species is allied to C. sackeni, Willist., from Brazil, but differs in the structure
of the antenn: and abdomen, as well as in the markings.
8. Ceria nigra.
Sphyximorpha nigra, Bigot, Aun. Soc. Ent. Fr. 1883, p. 317 '.
Hab. MExico !, Xucumanatlan in Guerrero 7000 feet (H. H. Smith).
9. Ceria pedicellata.
Ceria pedicellata, Willist. Synopsis N.-Am, Syrphid:e, p. 264".
Hab. Mzxxico, Jaral in Guanajuato (Schumann), Isthmus of Tehuantepec !.
A single male specimen from Jaral merely differs from the description of C. pedicellata,
Willist. (the type is not in my possession), in the lighter-coloured antenne, the first
two joints of which are yellow, and in the colour of the legs, which are yellow
and red throughout, instead of reddish-brown and black. The second joint of the
antennz, if anything, islonger than the first. "The third and fourth segments of the
abdomen are subequal in length and both shorter than the second. The relationship
with C. sackeni is very marked, but a comparison with the type shows the following
specific differences :—The antenniferous process is slightly shorter, and the first joint of
the antennz is proportionately a little longer, as also the third joint. The mesonotum
in C. sackeni has a golden-pollinose, interrupted band, and yellow supra-alar vittulee,
wanting in the present species. "The markings of the face are also distinctly different.
10. Ceria bergrothi, sp. n., «e.
Antennz brownish-black, the third joint red; first and second joints of nearly equal length ; antenniferous
process short, about one-fourth the length of the first joint of the antenne. Face and frontal triangle
shining black, the former with a lateral oblique stripe, the latter with two small spots, yellow. "Thorax
wholly deep shining black, markedly roughened. Abdomen deep shining black, the second segment
yellow proximally at the sides; second segment slender, its width posteriorly scarcely more than one-half
its length ; third and fourth segments of nearly equallength. Legs deep brownish-red, the tersi some-
what yellowish. "Wings deep brown in front, save at the distal part, where the colour is perceptibly
lighter; nearly hyaline behind.
Length 13 millim.
Hab. Mxxioo, Atoyae in Vera Cruz (H. IT. Smith).
One specimen.
78 DIPTERA.
There are also the following described species from within our limits :—
Ceria rufibasis, Bigot, Ann. Soc. Ent. Fr. 1883, p. 318 (Sphyaimorpha).— Mexico.
arietis, Loew, Neue Beitráze, i. p. 17.—Mexico.
cacica, Walk. Trans. Ent. Soc. Lond. n. ser. v. p. 288.—Mexico.
Most of the following species of Syrphide, described from, or referred to, Central
America, are of more or less doubtful generic position ; others have been inadvertently
omitted from the lists on the preceding pages :—
Pipiza divisa, Walk. Trans. Ent. Soc. Lond. new ser. iv. p. 156.—Vera Cruz.
Lepidomayia, cincta, Bigot, Ann. Soc. Ent. Fr. 1883, p. 345.—Mexico.
Syrphus colludens, Walk. op. cit. v. p. 293.— Mexico.
delineatus, Macq. Dipt. Exot. 1* Suppl. p. 139, t. 11. f. 19.—Mexico.
Volucella aperta, Walk. op. cit. v. p. 292.—Mexico.
gostica, Say, Journ. Acad. Phil. vi. p. 166; Complete Writings, ii. p. 360.—
Mexico.
—— tibialis, Macq. Dipt. Exot. 1* Suppl. p. 123.—Yucatan, Merida.
Temnocera wnilecta, Walk. op. cit. v. p. 292.—Mexico.
viridula, Walk. op. cit. v. p. 292.—Mexico.
Eristalis lateralis, Walk. Trans. Linn. Soc. xvii. p. 347; List of Diptera, iii.
p. 622.—Mexico, Guiana, Brazil, Chili, Jamaica.
semicirculus, Walk. Ins. Saund., Dipt. i. p. 249.—Honduras.
Helophilus formalis, Walk. List of Diptera, iii. p. 603.—Mexico.
Doliosyrphus hirtipes, Bigot, Bull. Soc. Ent. Fr. 1882, p. exxi; Ann. Soc. Ent. Fr.
1888, p. 343.—Panama.
Xylota arquata, Say, Journ. Acad. Phil. vi. p. 162; Complete Writings, ii. p. 357.
— Mexico.
subcostalis, Walk. Trans. Ent. Soc. Lond. new ser. v. p. 291.— Mexico.
ADDENDA.
RHOPALOSYRPHUS.
Rhopalosyrphus, Giglio-Tos, Bollett. dei Musei di Zool. ed Anat. comp. della R. Univ. di Torino,
vi. no. 108, p. 3, figg. (Sept. 1891).
This genus, of which the type-species, from Mexico, is not yet described, is closely
allied to 7Méixogaster, as it is accepted in the present work, but differs from it in the
prominence at the lower part of the face.
OMEGASYRPHUS.—CONOPS. 19
OMEGASYRPHUS.
Omegasyrphus, Giglio-Tos, Bollett. dei Musei di Zool. ed Anat. comp. della R. Univ. di Torino,
vi. no. 108, p. 4, figg. (Sept. 1891). |
This genus apparently includes such species as J/icrodon coarctatus, Loew, and
M. baliopterus, Loew. ^ The type-species, from Mexico, is not yet described or
indicated.
MEGAMETOPON.
Megametopon, Giglio-Tos, Bollett. dei Musei di Zool. ed Anat. comp. della R. Univ. di Torino,
vi. no. 108, p. 5, figg. (d 9) (Sept. 1891).
Ophromyia, Williston, anteà, p. 55, Tab. IT. figg. 1, 1a, 5 (Dec. 1891).
Dr. Giglio-Tos's paper, containing the description of this genus, was not received
until too late to change the name in the preceding pages, but his name has priority.
The species described by me will be known as JM. nasicum, inasmuch as the type of
Megametopon has not yet been described. If the species are the same, Giglio-Tos's
figures of the male front and of the arista are not quite correct.
Fam. CONOPIDZ *.
CONOPS.
Conops, Linnzus, lF'auna Svecica, p. 467 (1761).
Leopoldius, Rondani, Nuovi Ann. Scienze Nat. Bologna, x. p. 35 (1843).
Conopejus, Rondani, Mag. Zool. 1845, Gen. Ital. Conop. p. 4.
Brachiglossum, Rondani, Dipt. Ital. Prodr. 1. p. 56 (1856).
Sphyaosoma, Rondani, loc. cit.
Conopilla, Rondani, loc. cit.
Synopsis of the Central- American species. «| os
1. Third joint of the antenne distinctly shorter than the second . . . 2.
'T'hird joint of the antennz atleast as long as the second. . . . 3.
2. First posterior cell hyaline ;; pleural pollinose stripe indistinet above, . discalis, sp. n.
3
First posterior cell in large part clouded ; pleural pollinose stripe
distinctly limited above . . . . . . . . . . . . . . . anthreas, sp. n.
& Fseeblaek.. 9 L0 ;o o ool 09 £40 xoc 0 6205 e (6,4).
Face yellow es ; : 4.
4 GChesks yellow. &. . .. 9 20 e 7 ow o 8 € o o3 Xo 0€ € Dk
Cheeks brown; largespecies . . . . . . . . . . . . . . sequaz, sp. n.
9. First posterior cell hyaline, except at its base, the submarginal cell
also partly hyalne . . . . . . . . . . . « « . « . S$ylvosus, Willist.
First posterior cell brown along the whole anterior part . . . . . Sp. (no.5).
* By S. W. Wirrrerox.
80 DIPTERA.
1. Conops discalis, sp. n.. & 9.
Male. Antennz black, or dark reddish-brown ; first joint about one-half, the third joint about two-thirds, the
length of the second ; style slender at its tip. Face blackish, in the depression yellowish, on the orbits
yellowish- or white-glistening-pollinose. Front black, somewhat shining. Proboscis not twiee the length
of the head. Thorax black; a little shining; a yellowish-pollinose spot on the inner side of each humerus.
Pleure lightly pollinose, without distinet vertical pollinose stripe. Abdomen black, the third segment
yellow at its base; third and fourth segments each. with a narrow yellow- or yellowish-pollinose, opaque
hind margin ; the fifth and sixth segments, for the greater part, light yellow-pollinose. Legs dark brown
or black, the base of all the tibie yellow. Wings brown in front of the third longitudinal vein, sub-
hyaline behind; a narrow cloud before the fifth vein.
Female. Face yellow ; cheeks brown. — Fifth abdominal segment with a large process below.
Length 9-10 millim.
Hab. MzExico, Amula and Omilteme in Guerrero, Teapa in Tabasco CH. H. Smith).
2. Qonops anthreas, sp. n.,« 2.
Antenne red or dark reddish-brown, the third joint in great part red; first joint about one-half, the third
joint almost two-thirds, the length of the second joint, the latter slender. Face light yellow, on the sides
with a silvery or slightly golden sheen, the grooves more or less brownish or blackish at the bottom.
Front opaque, nearly black ; à more shining space above and below ; the orbital margins, below, narrowly
silvery; the black extends down a little distance on each side of the antenns. Proboscis nearly black,
about twice the length of the head. "Thorax dark reddish-brown, the dorsum nearly black, its posterior
margin yellowish-pollinose ; a golden-pollinose spot at the inner side of each humerus; pleural stripes
complete and with well-defined margins above. Abdomen black, the base of the third segment reddish
or yellowish ; third, fourth, and fifth segments each with a narrow, golden, opaque posterior margin;
fifth segment golden-pollinose behind. Legs brownish-red or reddish-brown, the tip of the metatarsi and
the following joints black, the base of all the tibi; yellow, — Wings brown in front of the third longi-
tudinal vein ; the first posterior cell, save behind the streak corresponding to the spurious vein of the
Syrphids, and a large semioval space in the outer posterior part, all brown ;: a narrow brown streak in
íront of the fifth vein; elsewhere the wing is hyaline or subhyaline.
Length 8-10 millim.
Hab. Mxxico, Presidio de Mazatlan (Forrer), Acapuleo and Rincon in Guerrero,
Atoyac in Vera Cruz (H. H. &mith).
Five specimens. This species differs from all the known American members of the
genus, save C. órachyrhynchus and. C. discalis, in having the third joint of the antennz
distinctly shorter than the second.
3. Conops sequax, sp. n., 9.
Face reddish-yellow ; orbits with a golden sheen; cheeks brown. Front black, moderately shining. Antenne
black; first joint more than halí as long as the second; third joint longer than the second, gradually
tapering from near the base; style slender, bristle-like on the distal half of the third joint, the second
joint not at all prominent. Proboscis about twice the length of the head. Thorax black, but little
shining; humeri lightly whitish-pollinose above; pleural stripe indistinct above. Abdomen black;
second and third segments with a narrow golden-pollinose band behind ; sixth segment for the most part
covered with whitish pollen; ventral process of the fifth segment very large. Legs dark brown or
brownish-black ; base of all the tibiz yellow ; basal joints of allthe tarsi yellow or yellowish. Wings
brown in front of the third vein and in the first posterior cell as far as the streak corresponding to the
spurious vein or :he Syrphide; in front of the last section of the fourth vein a subhyaline space.
Length 15 millim.
CONOPS.—PHYSOCEPHALA, 8]
Hab. Mxxico, Amula and Omilteme in Guerrero (H. H. Smith).
Two specimens. In this species the outer section of the fourth vein is nearly
parallel with the great cross-vein. A male from Temax, Northern Yucatan (Gawmer),
differs in having the pleural stripe distinctly limited above, the yellow abdominal
bands absent, the legs more reddish-brown, the tarsi in large part yellow, and the
third joint of the antenns» proportionately a little shorter. t is probable that these
differences are specific.
4. Conops —?
Hab. Mzxico, Temax in Northern Yucatan (Gauwmer).
A single female specimen, much resembling the male from Yucatan mentioned
above under C. seqwaz, but with the face entirely black, instead of light yellow. It
is not improbable that it may prove to be conspecific with that example; if so, the
species must be distinct from C. seque. The face of this female has a silvery sheen,
variable in different aspects. The specimen is in a bad state of preservation.
5. Conops —?
Hab. MExico, Chilpancingo in Guerrero (A. H. Smith), Jalisco (Schumann).
Two indifferently preserved, male and female, specimens represent a species distinct
from the other Conops here mentioned. It differs from C. sy/vosus, the only other
species in our collection with yellow cheeks, in lacking the hyaline cross-band before
the tip of the wing, the brown of the whole submarginal cell being nearly uniform in
colour. Length 10 millim.
6. Conops sylvosus.
Conops sylvosus, Willist. Trans. Conn. Acad. iv. p. 329, and vi. p. 390".
Hab. UwrrgD SrATES, Massachusetts !, Connecticut !, Kansas !.—Mzxico, Xucuman-
atlan in Guerrero 7000 feet (H. H. Smith).
Six examples, agreeing well with the types and the description. The face is often
blackish, and the proboscis is longer than the last two joints of the antenne taken
together. The specimens vary in length from 6-9 millim.
PHYSOCEPHALA.
Physocephala, Schiner, Wien. ent. Monatschr. v. p. 137 (1861) ; Fauna Austr., Diptera, i. p. 375;
Williston, Trans. Conn. Ácad. vi. p. 388.
BIOL. CENTR.-AMER., Dipt., Vol. IIT., 24ay 1892. m
82 DIPTERA.
Synopsis of the Central- American species. «. ' "1
l Facablaék & . 020 ou Eognir o] oom m o oem
Face yellow. . . à NELLO IEEE T
9. Thorax and abdomen ibihing black, not V pollinbés don . carbonaria, Willist. (d).
Thorax and abdomen opaque, more or less yellowish pxilliües . migrifacies, Bigot.
3. Deep black, shining species; cheeks brown. . . . . . - - carbonaria, Willist. ( 9 ).
Red or black, opaque, more or less pollinose species. . . . 4
4. Cheeks wholly black. . . . 20.2. ss s. s. s. . SOrorcula, sp. n.
Cheeks brown, with a yellow siot DAI, €039 .
5. Prevailing colour red ; dorsum of thorax with pee black
stripes . . ; 2... s rs. 5 . OChreiceps, Bigot.
Prevailing colour black ; cores black ; 2... 5. 5. 5. . &üanthops, sp. n.
1. Physocephala carbonaria,cs 9. (Tab. lI. figg. 13, 9 ; 13«, profile.)
? Conops carbonarius, Bigot, Ann. Soc. Ent. Fr. 1887, p. 42.
Male. Head wholly black, except the facial depression, which is somewhat yellowish ; the narrow facial orbits
with a silvery or somewhat golden sheen. Antenn: brownish-black, the first and third joints somewhat
reddish ; third joint more than half the length of the second; style with a short bristly extremity, its
second joint prominent. Thorax pitchy-black, moderately sEintüg"; ; humeri lightly pollinose above; no
distinet pleural pollinose stripe. Abdomen black, shining, slenderly pedicellate. Legs: coxs with a
silvery or golden sheen; trochanters yellow; femora dark brown, sometimes more or less reddish,
especially the hind pair; tibie lighter brown, sometimes yellowish, with the base of the hind pair yellow ;
tarsi yellowish-red, the hind pair more brownish-red; middle tibie on the outer side with a silvery sheen.
Wings dark brown in front, nearly hyaline behind; the brown extends to the fourth vein, and, over the
greater portion of the discal cell, to the fifth vein ; costal cell and a spot in front of the last section of
the fourth vein subhyaline.
Fenale, Face light yellow ; cheeks brown ; eoxw and base of the femora reddish-yellow ; ventral process of
the fifth segment small.
Length 13-19 millim.
Hab. Mxxico!, Atoyac in Vera Cruz (H. H. SmitA).
Six specimens. t seems very probable that these belong to the species described by
Bigot under the name of Conops carbonarius, especially so from the remarkable sexual
peculiarity of the colouring of the face. Digot, however, describes the hind femora as
only slightly thickened at the base; I believe that he is in error in this statement, but,
until this is shown, the species may be known as P. carbonaria, Willist. The second
abdominal segment often has a yellowish hind border.
2. Physocephala nigrifacies, «
Conops nigrifacies, Bigot, Anu. Soc. Ent. Fr. 1887, p. 40 '.
Male. Head black, the faee somewhat reddish in the depression; the front, except the vertical callosity, the
cheeks, and the face covered with a yellowish dust, variable in different reflections. Antenns black, the
first joint and the under part of the third somewhat reddish ; third joint of the style very briefly acute.
Thorax black, lightly yellowish- and whitish-dusted throughout; a more pronounced spot of golden dust
at theinner side of each humerus; no distinct pleural pollinose stripe. Abdomen opaque black, the
PHYSOCEPHALA. 88
second, fourth, and fifth segments yellowish-pollinose ; third, fourth, and fifth segments narrowly bordered
behind with opaque yellow. Wings brown in front, nearly hyaline behind ; the brown fills out the first
posterior cell (save an oval space in front of the last seetion of the fourth vein), and the basal two-thirds
of the diseal cell, extending narrowly along the front of the fifth vein to the great cross-vein, Legs
brown or black ; basal portion of the tibiz, especially of. the hind pair, and the basal joints of the tarsi,
yellow or yellowish ; cox: and tibi» with the usual silvery sheen.
Length 11—12 millim.
Hab. Mxxico !, Omilteme in Guerrero 8000 feet (H. H. Smith).
Three specimens. "This species is peculiar in having the face distinctly golden-
pollinose throughout. Because of the black face, I believe the species to be the same
as that described by Bigot under the name Conops nigrifacies; Y deem it worth while.
however, to give a description of our specimens.
3. Physocephala sororcula, sp. 1., « 9.
Front and face yellow ; the former with an opaque, black, shallowly V-shaped band in front of the red vertex,
connected in the middle by a slender line with an inverted V-shaped mark about the base of the antennz,
Cheeks deep black, in front with a golden sheen. Antenns» black; the first joint, and the second and
third joints near their articulation below, yellowish-red ; third joint of style not elongate, the second
joint slender. Thorax opaque black,; a golden-pollinose spot at the inner side of each humerus : in front
of the seutellum diffusely golden-pollinose ; pleural stripe not sharply limited. Abdomen opaque black,
slender; the third and following segments diffusely yellowish-pollinose above; the third and fourth
segments in the female, the third, fourth, and fifth in the male, with an opaque golden band posteriorly.
Legs reddish-brown, the base of all the tibiz yellow ; basal joints of the tarsi yellowish. Wings brown
in front, nearly hyaline behind ; the outer part of the discal cell hyaline, save for a streak in front of
the fifth vein; a subhyaline space in the first posterior cell in front of the last section of the fourth vein.
Length 10—11 millim.
Hab. Mxxico, Xucumanatlan in Guerrero 7000 feet (.H. H. Smith).
Three specimens.
4. Physocephala xanthojps, sp. n.,« 9.
Vertex obscurely red; below the callosity a transverse opaque black band, narrowly eonnected in the middle
with a slender, inverted, V-shaped mark about the base of the antenns. Lower part of the front and the
face sulphur-yellow ; cheeks brown, with an oval yellow spot in the middle. Prevailing colour of the
antennse red, the first joint somewhat, the second for its greater part, and the third joint above, black ;.
third joint of the style short, without bristly extremity, searcely longer than the slender second joint.
Thorax opaque black, thinly whitish-pollinose ; a silvery- or golden-pollinose spot at the inner side of each
humerus; the white vertical pollinose pleural stripe not diffuse above. Abdomen opaque black; second
segment distally, and the posterior segments above, whitish-pollinose ; third, fourth, and fifth segments
each with a narrow, opaque, light yellow posterior margin. Legs reddish-brown, the tibizje more distinctly
red, their basal portion, and the basal joints of the tarsi, yellow or yellowish. Wings brown in front
the distal portion of the discal cell, and a spot in front of the last section of the fourth vein, hyaline.
Length 10-11 millim.
Llab. Mzxico, Venta de Zopilote in Guerrero 2800 feet, lTeapa in Tabasco (H. H.
Smith).
5. Physocephala ochreiceps.
Conops ochreiceps, Bigot, Ann. Soc. Ent. Fr. 1887, p. 39 y
84 DIPTERA.
Hab. Uxrrgp SrATES, New Mexico (coll. Willist.).—Mxx1co !, Tepetlapa in Guerrero
3000 feet (LZ. H. Smith).
A single specimen from l'epetlapa, agreeing well with Bigot's description !.
P. ochreiceps is nearest allied to P. tevana, Willist., differing chiefly in the presence of
the lateral thoracic stripes. It is not at all improbable that the names may prove to
be synonymous.
TROPIDOMYIA.
Tropidomyia, Williston, Canad. Entom. xx. p. 11 (1888).
1. Tropidomyia bimaculata.
Tropidomyia bimaculata, Willist. Canad. Entom. xx. p. 11 '.
Hab. Mzxico, Xucumanatlan in Guerrero 7000 feet (A. H. Smith).—SovrTH. AMERICA,
Brazil !.
A. single male specimen from Xucumanatlan, agreeing well with the types and with
the description.
ZODION.
Zodion, Latreille, Précis des caract. gén. des Ins. (1796).
1. Zodion pygmeum.
Zodion pygmeum, Willist. Trans. Conn. Acad. vi. pp. 381, 392.
Hab. Uwrrgp STATES, California !, Colorado !.—M Exico, Xucumanatlan 7000 feet,
Omilteme 8000 feet, both in Guerrero, Atoyac in Vera Cruz (HJ. H. Smith), Orizaba
(H. H. Smith & F. D. Godman).
Six specimens, agreeing well with the types.
2. Zodion —?
Hab. Mxxico, Xueumanatlan in Guerrero 7000 feet, Atoyac in Vera Cruz (H. H.
Sm3th).
A number of specimens from the above-named localities evidently represent a distinct,
hitherto unnamed, species. lt is closely allied, however, to Z. pygmawn, Willist.,
differing chiefly in the larger size (5-6 millim.). The thorax has, usually, six velvety-
black stripes. The abdomen varies not a little in the markings, the three or four pairs
of velvety-black triangles often coalescing to form single triangles, especially on the
third segment.
3. Zodion fulvifrons.
Zodion fulvifrons, Say, Journ. Acad. Phil. ii. p. 83 (1823)'; Complete Writings, ii. p. 74?;
Wiedem. Aussereur. zweifl. Ins. ii. p. 241^; Willist. Trans. Conn. Acad. vi. pp. 380, 392 *.
ZODION.
[92]
[1]
Zodion abdominalis, Say, Journ. Acad. Phil. iii. p. 84^; Complete Writings, ii. p. 74 *.
Zodion abdominale, Wiedem. Aussereur. zweifl. Ins. ii. p. 342 ".
Zodion flavipenne, Bigot, Ann. Soc. Ent. Fr. 1887, p. 204*.
Hab. UNwrrgD SrATEs, New England States4, Maryland !, Pennsylvania!?7, Cali-
fornia*^, Washington, Kansas, Arizona !.—MEXICO ?, Venta de Zopilote 2800 feet,
Chilpancingo 4600 feet, both in Guerrero (H. H. Smith).
Seven specimens. In size, and colour of the abdomen, these Guerrero examples
vary not a little. Some of them agree well, however, with others from Kern Co.,
California, and Connecticut, in my collection.
4. Zodion auricaudatum, sp. n. & 9. (Tab. II. fige. 14, 9; 14a, profile.)
Front, on the upper two-fifths, opaque black ; on the lower part, opaque yellow or reddish-yellow. ^ Antennz
reddish-brown or brownish-red, on the underside yellow ; third joint a little more than half the length
ofthe second. Face lighter yellow than the front; cheeks dark brown. Thorax opaque black; dorsum
with two slender whitish lines, separating three deep black, velvety, opaque stripes—the middle one
slender, the lateral ones oval. Abdomen opaque black, the anterior segments with a whitish pruinosity ;
third segment with the posterior margin, and two oblique spots, contiguous with the posterior band
posteriorly, and forming an interrupted band, opaque golden-yellow ; fourth and fifth segments each
golden-yellow, with or without an interrupted black band ; sixth segment wholly opaque yellow. Legs
black ; base of all the tibiz, and all the tarsi, save the distal joints, yellowish. Wings almost uniformly
smoky.
Length 7-8 millim.
Hab. Mxxrico, Chilpancingo and Tepetlapa, both in Guerrero (H. ZI. SmitA).
Three specimens. "The one from Tepetlapa differs from the others in having the
yellow of the abdomen of a lighter colour, the third segment with a spot only on each
side, and the fourth and following segments wholly yellow, save two small black spots
on the fourth segment. "The abdomen evidently varies in the extent of the yellow
opaque markings.
5. Zodion splendens.
Zodion splendens, Jaenn. Neue exot. Dipt., in Abhandl. Senckenb. Ges. vi. p. 405, t. 44. fig. 12.
Zodion leucostoma, Willist. Trans. Conn. Acad. vi. p. 380 *.
Hab. ÜwirED STATES, Kansas ?, Montana ?, Arizona 2. —M Ex160 !,
Although I have not seen a specimen of this species from Central America, I believe
that the above synonymy will be found to be correct.
6. Zodion zebrinum.
Zodion zebrinum, Bigot, Ann. Soc. Ent. Fr. 1887, p. 204.
Hab. MkExico !.
86 DIPTERA.
ONCOMYIA.
Occemyia, Robineau-Desvoidy, Dipt. des environs de Paris, M yodaires, p. 50 (1853).
Thecophora, Rondani, Dipt. Ital. Prodr. i. p. 58 (1856).
Oncom3jia, Loew, Centur. vii. no. 78, nota, in Berl. ent. Zeitschr. 1866, p. 41.
1. Oncomyia abbreviata.
Oncomyia abbreviata, Loew, Centur. vii. no. 73, in Berl. ent. Zeitschr.
Trans. Conn. Acad. vi. pp. 97, 393 *.
Hab. Uwrrgp SrAvES, New England States?, California 2? Washington ! ?. — MExt16o,
Ciudad in Durango 8100 feet (Forrer).
1866, p. 41'; Willist. -
A single specimen from Durango, which I cannot separate from others from Con-
necticut. I must confess, however, that I am not satisfied with the characters used
to distinguish the American species of this genus.
2. Oncomyia loraria.
Oncomyia loraria, Loew, Centur. vii. no. 74, in Berl. ent. Zeitschr. 1866, p. 41'; Willst.
rans. Conn. Acad. vi. pp. 98, 393 *.
Hab. UxrrEp SravES, New Hampshire !, New England States ?, California ?.—M Ex1co,
Xucumanatlan 7000 feet, Amula 6000 feet, both in Guerrero (H. H. Smith).
Two examples from Guerrero, agreeing well with the description, and with specimens
from Connecticut and California.
Fam, PIPUNCULIDZ *.
PIPUNCULUS.
Pipunculus, Lotreille, Hist. Nat. Crust. et Ins. iii. p. 463 (1802).
Synopsis of the Central- American species.
l. Last section of the fourth longitudinal vein with a stump of a vein;
third antennal joint obtuse beneath; femora with spinous bristles
below . X4 & & oe 74 o4 ks £5ow ot 7 s ig NET elegantulus, sp. n.
Last section of the fourth longitudinal vein sinuous, without stump . 2.
9. Small cross-vein distinctly beyond the tip of the auxiliary vein;
penultimate section of the fourth longitudinal vein not twice the
length of the antepenultimate section; femora in part black,
without bristly spines below . . . . . .
pof ww hard s flavitarsis, sp. n.
Small cross-vein before or opposite the tip of the auxiliary vein;
* By S. W. WirrisTON,
PIPUNCULUS. 8
penultimate section of the fourth vein at least twice the length of
the antepenultimate section . . . . . . » C 54 a oe SO
3. Legs yellow . . . . . £5 "pn Rd as 4.
Femora, at least, in large part black ; third joint ot ihe antenn:e with
a bristle-like projection below . . . "P ud . . Subopacus, Loew.
4. "Third joint of the antennz with a bristle- like — A belüw . . Aaculeatus, sp. n.
Third joint of the antennz more or less acute below, but mot
drawn out into a bristle-like projection . . . . . . . . . 5.
5. Abdomen shining black . . . . . &anthopodus, sp. n.
Abdomen opaque coffee-brown, vith titereupted, pollos CrOSS-
bads . . . . . . . . .. .. 5. . 5... . jflavicornis, sp. n.
1. Pipunculus elegantulus, sp. n. 4.
Frontal triangle and face black, silvery-pubescent. Antenns black; third joint silvery-pubescent, obtusely
pointed below ; arista black, thickened at its base. Dorsum of thorax and scutellum deep brown, mode-
rately shining, distinctly pilose; pleurs?v and metanotum black, grey-pollinose. Abdomen deep black,
shining, whitish-pilose ; first segment and the posterior angles of the following segments opaque grey-
pollinose ; hypopygium large, black, moderately shining, reddish below, thinly pollinose. Legs yellow;
all the femora more or less broadly blackish in the middle; distal joints of all the tarsi blackish ; femora
stout, on their under distal side with two rows of short black spines. Wings nearly hyaline; stigma
yellowish; anterior cross-vein nearly opposite the tip of the auxiliary vein; last section of the fourth
vein angulated, and with a stump ; penultimate section of the fourth vein more than twice the length of
the antepenultimate section.
Length 44 millim.
Hab. Mzxico, Chilpancingo in Guerrero 4600 feet (ZH. H. Smith).
One specimen. This species is nearest allied to P. cingulatus, Loew, but it lacks the
cineraceous bands of the abdominal segments and has the legs of a lighter colour.
2. Pipunculus flavitarsis, sp. n., «
Face and frontal triangle black, silvery-pubescent. Antenne black; third joint in large part yellow, acute,
but not produced below; arista black. Thorax black; dorsum and sceutellum brownish-pollinose ;
pleurz grey-pollinose, Abdomen blackish-brown, subopaque ; the first segment and the hind angles of
the following segments opaque grey. Legs black ; extreme tip of the femora, tibie for the greater part,
and the tarsi, save their tip, yellow ; femora not markedly thickened nor with spines below. Wings
nearly hyaline; stigma yellow ; anterior cross-vein situated beyond the tip of the auxiliary vein; last
section of the fourth vein sinuous, without stump ; penultimate section of the fourth vein scarcely twice
the length of the antepenultimate section.
Length 4 millim.
Hab. Mxxico, Chilpancingo in Guerrero 4600 feet (7. H. Smith).
One specimen.
3. Pipunculus xanthopodus, sp. n., «.
The small frontal triangle and the face black, densely silvery-pubescent. Antennz: basal joints black, or
blackish ; third joint light yellow, in shape acutely pointed below; arista black, thiekened at its base.
Dorsum of thorax brown; pleure and moetanotum silvery-grey-pollinose. Abdomen shining black, the
88 DIPTERA.
lateral margins in part yellowish ; the first and second segments entirely, and the successively narrower
sides of the third, fourth, and fifth segments, grey-pollinose, opaque. Legs, including the cox:z in part,
light yellow; femora stout, distally with a double row of short spines below. Wings nearly hyaline;
anterior eross-vein nearly opposite the tip of the auxiliary vein; ultimate section of the fourth vein
sinuous, without stump; penultimate section about three times the length of the antepenultimate
section.
Length 5 millim.; of the wings, 7 millim.
Hab. Mxxico, Sierra de las Aguas Escondidas in Guerrero (A. H. Smith).
Two specimens.
4. Pipunculus subopacus.
Pipunculus subopacus, Loew, Dipt. Centur. vi. no. 74, in Berl. ent. Zeitschr. 1865, p. 176 '.
Hab. UmxrrEep SrATES, Washington !.—Mxico, Chilpancingo in Guerrero, 4600 feet
(H. H. Smith).
A single female example from Mexico agrees so closely with the description of
P. subopacus, Loew, that I believe it belongs to that species. Almost the only discre-
pancy that the specimen shows is in the colour of the abdomen, which is deep coffee-
brown, with whitish-pollinose markings. The femora have no spinous bristles on the
underside, and the tibiz are not ** fusco-annulated."
5. Pipunculus aculeatus, sp. n., 9.
Face black, densely silvery-pubescent. Front black, lightly pollinose. First two joints of antenne black ;
the third joint light yellow, produced below into a slender point. "Thorax black, brownish-pollinose on
the dorsum, grey-pollinose on the pleure. Abdomen shiniug black; first segment and the lateral margins
of the following segments opaque grey-pollinose; ovipositor reddish. Legs wholly light yellow, the
femora without bristly spines below. Wings nearly hyaline; penultimate section of the fourth vein
more than twice the length of the antepenultimate section.
Length 3 millim. ; of the wings, 4 millim.
Hab. Mxxico, Teapa in Tabasco (47. H. SmitA).
One specimen.
6. Pipunculus flavicornis, sp. n., 9.
"Front very narrow, the sides unusually convergentabove; the ground-colour black, but covered, like the face,
with silvery pubescence, less distinctly so above. Antennsw light yellow; third joint obtusely pointed
below, ovate; arista black. Thorax black, the dorsum dark brown-pollinose ; pleurz sillvery. Abdomen
opaque coffee-brown ; segments 2-6 broadly opaque silvery-grey on the sides, an interrupted posterior
band, more brownish in colour, extending across them; first segment grey, narrowly brown in front;
ovipositor yellowish-red. Legs light yellow, including the coxsm, excepting only the terminal joint of the
tarsi which is blackish; the minute black spines, arranged in longitudinal rows, are conspieuous, Wings
nearly hyaline; penultimate section of the fourth vein more than twiee as long as the antepenultimate
section ; small eross-vein opposite the tip of the auxiliary vein.
Length 5 milhm.; of the wings, 6 millim.
Hab. MExico, Amula in Guerrero 6000 feet (HJ. H. Smith).
One specimen.
CALLOMYIA. 89
Fam. PLATYPEZIDZ *.
CALLOMYIA.
Callomyia, Meigen, Klassif. und Beschr. der Europ. zweifl. Ins. i. 2, p. 311 (1804).
1. Callomyia bella, sp. n. f, 9.
Front shining black, very broad above. Antenns black, the basal joints somewhat reddish; third joint
elongate-conical, acute, shorter than the arista; base of the arista thickened. ^ Dorsum of thorax
resplendent blue, the pleure black or brown; scutellum blue, its margin with four strong bristles.
Abdomen shining luteous-yellow and dark brown, towards the base with blue reflections. Legs lutes-
cent-yellow, the distal extremity of the femora, the proximal portion of the tibi», and the distal joints
of all the tarsi more or less blackish ; hind femora and tibie only moderately thiekened ; all the tarsi
slender, the penultimate joint of the hind pair with its external angle pointed. Wings pure hyaline ;
third and fourth longitudinal veins parallel.
Length 3 millim.
Hab. Mxxico, Omilteme in Guerrero 8000 feet (H. H. Smith).
One specimen.
The following species of Syrphidz and Conopid: from Mexico have been described
since the publication of the preceding pages :—
SYRPHIDJE.
Asemosyrphus olivaceus, Giglio-Tos, Boll. Mus. Torino, vii. no. 123, p. 6 (1892).—
Mexico.
griseus, Giglio-Tos, loc. cit. no. 125, p. 6.—Mexico.
impurus, Giglio-Tos, loc. cit. no. 123, p. 6.—Mexico.
Baccha spatulata, Giglio-Tos, loc. cit. no. 152, p. 4.—Mexico.
Chilosia aurotecta, Giglio-Tos, loc. cit. no. 132, p. 4.—Mexico.
Copestylum parvum, Giglio-Tos, loc. cit. no. 123, p. 2.—Mexico.
simile, Giglio-Tos, loc. cit. no. 123, p. 2.—Mexico.
Crioprora arctophiloides, Giglio-Tos, loc. cit. no. 123, p. 7.—Mexico.
Eristalis bombusoides, Giglio-Tos, loc. cit. no. 123, p. 4.—Mexico.
trilimbatus, Giglio-los, loc. cit. no. 123, p. 5.— Mexico.
praeclarus, Giglio-Tos, loc. cit. no. 123, p. 5.—Mexico.
clarissimus, Giglio-Tos, loc. cit. no. 123, p. 5.—Mexico.
* By S. W. WiLLISTON. |
t The description of this species was originally published in May 1892, the incomplete page 89 being now
reprinted, with the Index, &c.
BIOL. CENTR.-AMER,, Dipt., Vol. IIT., August 1903. n
90
DIPTERA.
KEristalis sallei, Giglio-Tos, loc. cit. no. 128, p. 5.—Mexico.
triangularis, Giglio-Tos, loc. cit. no. 123, p. 6.—Mexico.
sumischrasti (sic), Giglio-Tos, loc. cit. no. 132, p. 1.—Mexico.
atropos, Giglio-Tos, loc. cit. no. 132, p. 1.—Mexico.
ornatus, 'Towns. Ann. & Mag. Nat. Hist. (6) xix. p. 21 (1897).—Mexico.
Melanostoma elegans, Giglio-Tos, loc. cit. no. 132, p. 2.—Mexioo.
bellum, Giglio-Tos, loc. cit. no. 132, p. 3.—Mexico.
Mesogramma rombicum, Giglio-Tos, loc. cit. no. 132, p. 3.—Mexico.
diversum, Giglio-Tos, loc. cit. no. 132, p. 3.—Mexico.
ciliatum, Giglio-Tos, loc. cit. no. 132, p. 3.—Mexico.
comma, Giglio-Tos, loc. cit. no. 132, p. 4.—Mexico.
AMicrodon aquilinus, Giglio-Tos, loc. cit. no. 123, p. 2.—Mexico.
Mixogaster dimidiata, Giglio-Tos, loc. cit. no. 123, p. 1.—Mexico.
Platynochetus niger, Giglio-Tos, loc. cit. no. 123, p. 6.—Mexico.
Salpingogaster nova, Giglio-Tos, loc. cit. no. 123, p. 7.—Mexico.
Spherophoria syrphica, Giglio-Tos, loc. cit. no. 132, p. 2.—Mexico.
Syrphus lautus, Giglio-Tos, loc. cit. no. 182, p. 2.—Mexico.
9
94)
saussurii, Giglio-Tos, loc. cit. no. 132, p. 2.—Mexicc.
Ubristes chrysopyga, Giglio- Tos, loc. cit. no. 123, p. 1.—Mexico.
Volucella omochroma, Giglio-Tos, loc. cit. no. 123, p. 2.—Mexico.
furens, Giglio-Tos, loc. cit. no. 123, p. 2.—Mexico.
craverii, Giglio-Tos, loc. cit. no. 123, p. 2.—Mexico.
9
Jlavissima, Giglio-Tos, loc. cit. no. 123, p. 3.—Mexico.
— — minima, Giglio-Tos, loc. cit. no. 123, p. 5.—Mexico.
o
dichroica, Giglio-Tos, loc. cit. no. 123, p. 3.—Mexico.
——— ftrigona, Giglio-Tos, loc. cit. no. 128, p. 3.—Mexico.
— — Iyaloptera, Giglio-Tos, loc. cit. no. 123, p. 3.— Mexico.
hirsuta, Giglio-Tos, loc. cit. no. 123, p. 3.— Mexico.
hispida, Giglio-Tos, loc. cit. no. 128, p. 4.— Mexico.
volucris, Giglio-Tos, loc. cit. no. 123, p. 4.—Mexico.
hystriv, Giglio-Tos, loc. cit. no. 128, p. 4.—Mexico.
brevis, Giglio-Tos, loc. cit. no. 123, p. 4.—Mexico.
obesoides, Giglio-Tos, loc. cit. no. 123, p. 4.—Mexico.
cordic, Towns. Ann. & Mag. Nat. Hist. (6) xx. p. 27 (1897).—Mexico.
——— rafaelana, 'Towns. loc. cit. p. 28.—Mexico,
——— auutiana, ''owns. loc. cit. p. 28.—Mexico.
— — opalina, Towns. loc. cit. p. 29.—Mexico.
, V. 8plendens, "Towns. loc. cit. p. 29.—Mexico.
— — viridana, Towns. loc. cit. p. 50.—Mexico.
——— toltec, Towns. Trans. Am. Ent. Soc. xxii. p, 45 (1805).— Mexico.
DIPTERA. 91.
JNausigaster meridionalis, Towns. Ann. & Mag. Nat. Hist. (0) xix. p. 20 (1897);
xx. p. 25.— Mexico, Brazil.
CONOPIDAE.
Conops ocellatus, Giglio-Tos, Boll. Mus. Torino, vii. no. 132, p. 5 (1892). — Mexico.
Physocephala maxima, Giglio-Tos, loc. cit. no. 132, p. 5.—Mexico.
Stylogaster stylosa, 'l'owns. Ann. & Mag. Nat. Hist. (6) xix. p. 24 (1897).— Mexico.
ethiopa, ''owns. loc. cit. p. 26.— Mexico.
— minuta, Towns. loc. cit. p. 27.—Mexico.
S
[S0]
[Names in small capitals refer to Families, &c.; those in roman type to the chief reference to each species included in the work;
INDE X.
those in italies to species ineidentally mentioned, synonyms, &e.]
A BLAUTATUS, i. 108.
——— trifarius, i. 168.
Ablautus, 1. 168.
A CANTHINA, 1. 41, 249.
argentea, i. 41, 249.
——— (?) bellardii, i. 377.
—— bellardüi, i. 251.
——— inornata, i. 249.
nana, i, 43.
——— ornata, i. 43.
ACANTHOMERA, i. 07, 267.
Acanthomera, i. 63, 64, 65, 606.
2, i. 68, 267.
bellardii, i. 68.
—— higoti, i. 66.
—— championi, i. 67.
—— championi, 1. 66, 68.
crassipalpis, 1. 66.
frauenfeldi, i. 65.
—— fulvida, i. 68.
magnifica, i. 66.
——- picta, 1. 64, 65, 67, 68.
—— rubriventris, 1. 64.
seticornis, 1. 68.
——- vittata, 1. 64.
ACANTHOMERID.E, i. 63, 207.
ACAULONA, ii. 4, 439.
Acaulona, ii. 440, 452.
costata, ii. 4, 459.
Acinia fimbriata, ii. 429.
novceboracensis, i1. 419.
—— gicciola, ii, A17.
ACIUAA, ii. 410.
Aciura, ii. 401.
insecta, ii. 410.
—— phwoenicrura, ii. 410.
Acreotrichus, i. 288.
ACROCEJETA, i. 282.
fasciata, i. 232.
Acroglossa, ii. 45.
———- tessellata, ii. 486,
ACRONACANTHA, ii. 243.
Acronacantha, ii. 212.
nubilipennis, ii. 243.
Acrosticta scrobiculata, ii. 400.
A CROTAENIA, ii. 414.
Acrotenia, i. A01.
apiata, 1i. 415.
agiata, i. 414.
——— incisa, ii. 415.
——— incisa, ii, 414.
otopappi, ii. 423.
——— tarsata, ii. 414.
tarsata, ii, 415.
Acrotoxa, ii. 405, 409.
fraterculus, ii. 404.
mucida, ii. 409, 410.
suspensa, ii. 428.
Adelidea flava, i. 154.
ADMONTIA, ii. 484.
Admontia, ii. 485.
americana, ii. 484.
occidentalis, ii. 485.
podomyia, ii. 484.
Albinia, ii. 128.
Allocotus, i. 155.
ALLOGRAPTA, iii. 19.
?, iii. 20.
——— exotica, iii. 20.
——— fracta, iii. 20.
—— obliqua, iii. 19.
——- obliqua, iii, 20.
Aminta ludibunda, à. 347.
Amodea, ii. 128.
AMPHICNEPHES, ii. 390.
Amphicnephes, ii. 978.
obtusus, ii. 990.
stellatus, ii. 990.
AMPHICOSMUS, i. 296.
—— cincturus, i. 296.
Ampyx, i. 182, 183.
varipennis, 1. 182.
ANACAMPTA, ii. 392.
Anacampía, ii. 978.
Anacanipta latiuscula, ii. 392.
ANALCOCERUS, i. 238.
Analcocerus, 1. 239, 240.
hortulanus, i. 238.
ANARMOSTUS, i. 211.
lopterus, i. 211.
Anastechus, i, 17, 152.
ANASTREPHA, 1j. 404,
Anastrepha, . A01, 405, 409.
fraterculus, ii. 404.
Jraterculus, ii. A05.
ludens, 11. 428.
——— qmaunda, i. 405.
suspensa, ii. 428,
tripunctata, ii. 405.
ANCYLOGASTER, ii, 450.
Ancylogaster, i. 450, 497, 458.
armata, ii. 456.
ANDRENOSOMA, i. 138,
Andrenosoma, 1. 318.
?, i. 189,
——— cincta, i. 188.
cinerea, i. 188.
formidolosa, i. 188.
pyrrhacra, 1, 188.
ANISIA, ii. 186.
Anisia, i1. 44, 204.
aberrans, ii. 198.
——- apberrans, ii. 188.
accedens, ii. 196.
accedens, ii. 187.
segrota, 1i. 192.
—— egrota, ii. 187, 193.
-——— approximata, ii. 202.
approxíimata, i. 188.
candicans, ii. 194.
candicans, i1. 187.
ciliata, ii. 203.
eiliata, i1. 188.
cineraria, ii. 189.
cineraria, ii. 186.
congerens, ii. 194.
94
Anisia congerens, i. 187.
conspersa, ii. 199.
conspersa, ii. 188.
fatua, ii. 197.
fatua, ii. 187.
— — fulvipennis, ii. 190.
Fulvipennis, ii. 187.
——— gagatina, ii, 201.
gagatina, i, 188.
inepta, 1i. 195.
inepta, i. 187.
-——— infima, i1. 204.
— — 4nfima, ii. 188.
inflexa, ii. 188,
——— inflexa, ii. 186.
intrusa, ii. 193.
intrusa, i. 187.
macroptera, ii. 199.
macroptera, ii, 188.
misella, ii. 204.
onisella, ii. 188.
d morionella, ii. 195.
— — qnorionella, ii. 137.
— — mucorea, ii. 199.
— — qnucorea, Y. 185,
neglecta, ii. 191.
neglecta, ii. 187.
nigella, ii. 193.
— — nigella, ii. 187.
——— nigrithorax, 1i. 197.
nigrithorax, 3. 187.
——— nigrocincta, ii. 201.
nigrocincta, ii. 187, 188.
niveomarginata, ii. 200.
niveomarginata, ii. 188.
obscurifrons, ii. 197.
obscurifrons, ii. 186, 188,
——— opaea, ii. 200.
opaca, ii. 188.
ophthalmica, ii. 208.
ophthalmica, i. 186, 188.
pallidipalpis, ii. 190.
pallidipalpis, ii. 187.
palposa, ii. 202.
palposa, ii. 188.
peregrina, ii. 196,
peregrina, i. 187.
pulicaria, ii. 191.
pulicaria, ii. 187.
——— pullata, ii. 195.
pullata, 31. 186, 187.
— — remissa, ii, 201,
remissa, ii. 185.
rubripes, ii. 189.
rubripes, ii. 186,
ruficoxa, ii. 190.
ruficoxa, i, 187.
INDEX.
Anisia signata, ii. 195.
signata, ii. 187.
——— similis, ii. 203.
similis, 3. 188.
— — stolida, ii. 192.
——— stolida, ii. 187.
trifilata, i1. 192.
értfilata, ii. 187.
—— — umbriua, ii, 200.
umbrina, i. 138.
Anisopogon, i. 806.
A NISOTAMIA, 1. 284.
Amisotamia, 1. 141.
centralis, i. 141.
evimia, i. 141, 142.
——— fasciata, 1. 284.
——— valida, i. 284.
ANTHOMYIA, ii. 335.
Anthomyia, ii. 313, 396, 539.
canieularis, à. 931.
dentipes, ii. 823.
——— dorsimaculata, 1i. 336.
dorsimaculata, i. 335.
——- elongata, ii. 335.
elongata, i1. 336.
gemina, ii. 307, 308,
——— lepida, ii. 947.
——— protritra, i1, 247.
seva, ii. 329.
——— segmentata, ii. 936.
segmentata, i. 935.
trifilis, ii. 947.
ANTHOMYIN.E, li. 912.
Anthracomyita, i. 264,
pallidicornis, i. 264.
ANTHRAX, 1, 111, 276.
Anthrax, i. 76, 77, 79, 80, 96, 98, 99,
100, 106, 107, 108, 112, 113, 114,
117, 119, 121, 123, 128, 129, 134,
140, 141, 144, 275, 271, 278, ?8l.
—— —— 8, i, 188.
P, 1, 194.
—— abbreviata, 140.
acroleuca, i. 101.
——— equa, i. 102.
agrippina, i. 139.
agrippina, 1. 135.
alcyon, i. 112, 116, 117, 118,
119, 140,
alcyone, i. 117.
——— alpha, i. 119.
alternata, i. 197.
analis, 1, 101.
— — angustipennis, 1. 275.
arethusa, i. 116, 277.
arethusa, i. 114, 117, 118, 119,
278.
Anthrax (Chrysanthrax) astarte,
i. 140, 279.
——- astarte, 1. 192, 280.
—— bigradata, i. 132, 134.
——— (Isopenthes) blanchardiana,
i. 276.
—— blanchardiana, i. 277.
—— caliptera, i. 81.
—-— castanea, i. 127.
——— castanea, i. 119, 114.
celer, 1. 140.
ceria, 1. 283.
—— ceyx', 1. 117, 119.
—— chimsera, i, 151.
chimera, i. 114, 129, 150.
elotho, i. 95.
——— conifacies, i. 280.
—— econsunguinea, i. 197.
consul, 1. 125, 280.
consul, i. 113, 115, 127.
cuniculus, i. 125.
——— euniculus, 1. 113, 115, 126, 127.
curta, 1, 28].
——— curta, i. 282.
—— cyanoptera, i. 115, 276.
eyanoptera, 1. 115, 114, 116.
—— diagonalis, i. 122.
——— diana, i. 280.
diana, i. 279.
——— disjuncta, i. 108.
edititia, i. 119, 278.
edititia, i. 114, 120, 121.
elegans, i. 123.
ephebus, i. 124.
ephebus, 1. 118, 115, 123, 140.
eumenes, i. 131.
eumenes, i. 115, 130, 132, 134.
eurhinatus, i. 378.
fascipennis, i, 82,
— — faustina, i. 136.
Jaustina, i. 135, 197, 138.
fenestrata, i. 112, 128.
flaviceps, i. 140.
-—— Jflaviceps, 1. 119.
——— fuliginosa, i. 119.
F'uliginosa, i. 114, 119.
——— fulvohirta, i. 280.
— — fulvohirta, i. 112, 122, 126, 140.
galathea, i. 123.
galathea, i. 115, 140.
georgica, i. 101, 102.
——— gideon, i. 101.
gorgon, i. 119, 190.
——— halcyon, i. 117.
hela, i. 80, 90.
———- hirsuta, i. 279.
——— ignifer, i. 82.
BERN
AntArax impiger, i. 278.
toptera, i. 115.
——— irrorata, i. 109,
klugii, i. 99.
lacera, i. 80, 96, 274.
——— lateralis, i. 233.
——— lateralis, i. 135, 137, 138.
——— latreillei, i. 93.
——— lepidota, i. 130, 981.
lepidota, i. 115, 129, 131.
leucothoa, i. 140, 279.
— — leucothoa, 1. 125.
——— limatulus, i. 102.
——— livia, i. 139.
Livia, i. 135.
——— [ucifer, i. 116, 977.
—-— lucifer, 1. 114.
—— — maria, i. 283,
— — maura, 1. 129, 131.
——— 3nelasoma, 1. 140.
——— qnoneta, 1, 138,
——— qnoneta, i. 135.
morio, i. 112, 129, 152.
morioides, i. 112, 132.
snucored, i, 139.
— nigrofimbriata, i. 282.
——— nudiuscula, i. 140.
ocyale, i. 80.
edigus, i. 102.
orbitalis, i. 281.
orbitalis, 1. 282.
——— orcus, i. 80.
palliata, i, 126, 281.
palliata, i. 119, 115, 127.
——— paradoxa, i. 120, 278.
garadoxa, i. 114, 121.
parvicornis, i, 113, 128.
perspicillaris, i. 123.
pertusa, i. 123.
pleuralis, i, 282.
——- pluricella, i. 277.
—— gluto, i. 102, 103.
—— peecilogaster, i. 118.
pecilogaster, i. 114, 117, 119.
——— giroboscidea, i. 109, 276.
—— proserpina, 1. 92,
—— punctum, i. 102.
—— quinque-punctata, i. 140.
— — rex, i, 127.
rex, i, 113, 114, 122, 128, 131.
rufescens, i. 92, 93.
——— sabina, i. 197.
— — sabina, 1. 195, 136.
(Isopenthes) sackeniana, i. 276.
sagata, 1. 140.
sagata, i. 121.
——- seripta, i. 100.
INDEX.
Anthrax scylla, i. 132.
scylla, i. 114, 129, 150.
——— selene, i. 122.
— — selene, 1. 112, 114.
——— seminigra, 1. 112, 129.
— — sünson, i. 100.
sinuosa, i. 133,
sinuosa, i. 98, 114, 129, 130,
134,
sp. ?, i. 114.
sp. ?, 1. 115.
?, i. 115.
sp. ?, i. 121.
sp. ?, i. 1921.
sp. ?, i. 121.
——— sp. ?, i. 123.
sp. ?, i. 150.
——— sp. ?, i. 190.
sp. ?, i. 155.
—— sp. ?, i. 137.
——— stenozona 2, i. 138.
— — stenozona, i. 155, 139.
terminalis, i. 142.
valida, i. 141, 142, 284,
velutina, 1. 99, 129.
Anypenus, i. 212.
AOCHLETUS, 1. 98,
——— cinctus, i. 93.
Apelleia, i. 168.
vittata, 1. 163.
vittata, i. 164.
Aphamartania fur, i. 314, 315.
Aphantotimus, 1. 349.
Jraterculus, 1, 949.
A PHESTIA, 1. 317.
brasiliensis, 1. 911.
ealcarata, i. 917.
——— mexicana, i. 917.
nigra, i. 185.
A.PH«GBANTUS, i. 143, 285.
Aphebantus, i. 76, 141, 144, 148.
?, i. 147.
——— bisulcus, i. 148.
bisulcus, i. 145, 149.
carbonarius, i. 149.
carbonarius, i. 146.
cervinus, i, 148.
cervinus, 1. 144, 145, 285.
—— — conurus, i. 148, 285.
conurus, i. 145.
——— cyolops, i. 146.
cyclops, i. 144, 145, 147, 150.
——— mus, i. 147.
qus, i. 145, 149.
—— peodes, i. 149,
peodes, i. 146, 150.
——- yattus, i, 147.
T
: Aphobantus rattus, 1. 144, 145.
sp. ?, 1. 145.
Aphritis, ii. 2.
eurifez, ii. 2.
APIOCERA, 1. 212.
-Apiocera, i. 219.
augur, i. 212.
augur, i. 215.
haruspex, i. 213.
A poria elegans, ii. 486.
A rchilestes, i. 169.
A RCHILESTRIS, i. 169.
magnificus, i. 169,
ARGYRAMGBA, i. 98, 275.
Argyramoba, i. 15, 79, 99, 100, 107,
111, 129, 144.
—— — — ?, i. 101.
——— acroleuca, i. 101, 275.
acroleuca, i. 98, 100.
——— analis ?, i. 101.
analis, 1. 100, 102.
angustipennis, 1. 275.
cephus, 1. 99, 106.
daphne, i. 104.
——— dayhne, 1. 100.
——— fur, i. 105.
fur, i. 100, 106.
—— georygica, i, 98, 102.
gideon, i. 101.
—— hetrusca, i. 99, 100.
—— limatulus, i. 102,
luctuosa, i. 101.
——— cdipus, i. 102, 275.
— — adipus, 1. 100.
——— pluto, i. 102.
— — pluto, i. 100, 103, 104.
—— propinqua, i, 101.
——— seriepunctata, i. 103.
seriepunctata, i. 100, 104.
simson, 1. 100, 275.
——— simson, 1. 101.
sp. ?, 1. 100.
ARGYROPHYLAX, ii. 485.
albincisa, ii. 485.
Argyrospila, i. 11, 18.
Aricia, ii. 914.
canicularis, ii, 831.
circulatriz, ii. 346.
——— dentipes, ii. 323.
incisurata, i. 847 -
——— lardarius, ii. 314,
——— procedens, ii. 915
rescita, ii. 946.
Arthrostylum, i. 264.
J'ascipennis, i. 264, 378.
Asemosyrphus, ii. 67, 69.
bicolor, iii. 68.
96
Asemosyrphus flavicaudatus, ii. 68.
griseus, iii. 89.
impurus, iii. 89.
nigroscutatus, iii. 68.
oculiferus, iii. 68. .
——- olivaceus, iii. 89.
ASILIDJE, i, 167, 298.
ASILINA, 1. 189.
ASILUS, i. 208, 327.
Asilus, 1. 210.
abdominalis, 1. 168.
——— a]bo-spinosus, 1. 210.
——— (Tolmerus) alterus, i. 390.
——— alterus, i. 327.
amarynceus, 1. 206.
amphinome, 1. 207.
——— (Machimus ?) anonymus, 1. 590.
——— anonymus, 1. 328.
——— apiealis, i. 210.
——— (Neiotamus) capillatus, i. 530.
—— capillatus, i. 328.
——— chrysauges, i. 208.
—— crabroniformis, 1. 208.
(Heligmoneura) dolichomerus,
i. 829.
dolichomerus, i. 527.
—— fuliginosus, i. 210.
humilis, i. 210.
inamatus, i. 210.
infernalis, i, 189, 319.
——— infuscatus, i. 210.
——— interruptus, i. 200.
——— iopterus, 1. 211.
(subgen. ?) lestes, i. 331.
lestes, 1. 827.
—— megacephalus, i. 210.
——— (Heligmoneura) melanocerus,
1. 329.
melanocerus, i, 397.
mexicanus, i. 210.
——— midas, i. 209.
iidas, 1. 208.
madas, i. 209.
(Neoitamus)
i. 329.
nigrocaudatus, 1. 328, 830.
niveibarbus, i, 210.
—— perrumpens, i. 210.
—— pluto, i. 190.
sericeus, 1. 208.
— — eeniatus, i. 210.
—— ieniatus, i, 328.
——- tenebrosus, i. 828.
tenebrosus, 1. 327.
-—— (Heligmoneura) truquii, i. 210
528.
truguit, 1, 397.
nigroeaudatus,
?
INDEX.
Asilus tuxpanganus, i. 210.
(Heligmoneura) xanthocerus,
i. 329.
vanthocerus, i. 827.
ASPHONDYLIA, 1. 1.
monacha, i. 1.
ASTROPHANES, 1. 106.
Astrophanes, i. 76.
adonis, i. 107.
adonis, 1. 106.
Atemnocera, iii. 43.
A THERIX, 1. 62, 206.
——— concinna, i, 266.
—— latipennis, i. 62, 266.
longipes P, i. 63.
A TOMOSIA, i. 183, 315.
Atomosia, 1. 817.
?, 1. 184.
anonyma, i. 9106.
beckeri, i. 184.
——— (P) bigoti, i. 184.
——— macquarti, i. 184, 316.
mucida, i. 184, 315.
——— sericans, i. 184.
soror, i. 184.
tibialis, i. 185.
——. tibialis, i. 316.
—— xanthopus, i. 185.
A TONIA, 1. 916.
brevistylata, i. 316.
aniki, 1. 916.
A TRACTIA, i. 212.
marginata, 1. 212,
Atylotus, i. 258.
erythreus, 1. 377.
——— erythrocephalus, i. 377.
——— fuscicrura, 1. 977,
——— obesus, i. 377.
AUTOMOLA, ii. 390,
-Automola, ii. 378.
atomaria, ii. 390.
—— trifasciuta, M. 390.
Daccna, iii, 31.
Daccha, ii. 95, 39.
adspersa, iii, 94,
adspersa, iii. 32,
——— ienea, iii. 37.
ened, ii. 92.
——— attenuata, iii. 35.
—— attenuata, ii, 31.
babista, ii. 33.
——— cavata, iii. 33.
clavata, ii. 32.
——— carulea, iii. 58.
coer'ulea, il, 92, 39.
Baecha concinna, iii. 98.
—— concinna, iii. 32.
conjuncta, iii. 93.
conjuncta, iii. 92.
—— dimidiata, iii. 90.
dolosa, iii. 97.
dolosa, iii. 92.
—— facialis, iii. 53.
—— gracilis, iii. 94.
gracilis, ii. 91.
——- laudabilis, iii. 96.
—— laudabilis, ii. 3l.
——- lineata, iii. 39.
—— livida, iii. 33.
livida, ii. 32,
luetuosa, iii. 99.
luctuosa, ii. 51.
——- lugubris, iii. 97.
lugubris, iii, 52.
marmorata, iii. 39.
——— naauta, iii. 35.
— — nasuta, iil. 91.
——— phieoptera, iii. 53.
—— pheeoptera, iii, 92,
punctifrons, iii. 36.
—— punctifrons, ii. 91.
——— rubida, iii. 54.
——— rubida, iii. 31.
——— spatulata, iii. 89.
——— stenogaster, iii. 34.
——— stenogaster, 3. 31.
torva, iii. 30.
JBacha adspersa, iii. 54.
clavata, iii. 33.
——— livida, ii, 25, 29,
pheoptera, ii. 32.
DBanvpPLEGMa, ll. 416.
JDlaryplegma, ii. 402,
gilva, i1. 4106.
DATHYDEXI1A, ii. 222,
2
-—— ualbolineata, ii. 223.
appendieulata, ii. 222,
DBaAuMHAUERIA, li, 115.
Daunhaueria, i. 7, 43, 44, 45.
analis, i, 115.
——— discrepans, ii, 115.
qgonieformis, i, 115.
parvipalpis, ii, 86.
vertiginosa, i. 115.
Dlelvoisia bifasciata, ii. 30.
DErvostra, ii, 29, 469.
Jelvosia, ii. 5, 7, 31.
bella, ii. 486.
bicincta, i1. 90, 469.
bicolor, ii. 470.
——— hifasceiata, ii. 30, 469.
Jelvosia bifasciata, ii. 99.
leucophrys, ii. 30, 469,
leucophrys, ii. 99, 31.
——- leucopyga, ii. 470.
——— rufipalpis, ii. 30.
trichopus, ii. 31.
——— weyenberghiana, ii. 470.
Bengalia, ii. 296.
Beris, i. 230.
—— — mexicana, i. 41.
BznisMYv1A, i. 230.
— — fusca, i. 230.
nigrofemorata, i. 230.
BEsk1A, ii. 451.
——— cornuta, ii. 451.
Braro, i. 3, 229,
—— —— 9,1. 3.
—— — — $, i. 222.
——— albipennis, i. 4.
canadensis, i. 4.
—— criorrhinus, i. 4.
dubius, i. 5, 222.
dubius, i. 3.
——— fuligineus, i. 4.
—— Airtus, i. 4.
orbatus, 1, 223.
piceus, i. 5.
superfluus, i. 3.
thoracicus, 1. 3.
——— xanthopus, i. 4.
BrnroxID a, i. 2, 221.
Blacodes, i. 181, 314.
bellus, 1. 314.
cristatus, 1. 314.
JBlax, i. 181, 314.
BrEPHAREPIUM, i, 310.
Dlepharepium, i. 172.
coarctatum, i, 310.
Blepharipeza, ii. 29, 81.
——. bicolor, ii. 470.
—— leucophrys, ài. 80,
rufipalpis, i1. 30.
£richopus, ii. 31.
Blepharipoda mexicana, ii. 486.
BLEPHAROCERIDJ, 1. 5.
BLEPHARONEURA, ii. 411.
Dlepharoneura, i1. 401, 404.
biseriata, ii. 413.
—— liseriata, ii. 411.
diva, ii. 428.
——— femoralis, ii. 412.
femoralis, ii. 411, 413.
———- fulvieollis, ii. 411.
—— fulvicollis, i1, 412.
—— io, ii. 428.
INDEX.
Blepharoneura quadristriata, ii. 413.
quadristriata, ii. 411.
regina, ii. 428,
——— saga, ii. 428.
saga, ài. 412.
splendida, ii. 404.
DoGzEnR1A, ii. 433,
princeps, ii. 433.
Bolomyia violacea, ii. 488.
Box5vrrrpa, i. 75, 269, 378.
Bombylina, i. 75.
Bounvrrus, i. 150, 285.
Dombylius, i, 76, 77, 99, 149, 151,
152.
———?, i. 150.
—— — —£, i. 150.
— — albopenicillatus, i. 286.
——— albopenicillatus, 1. 287, 978.
——— atriceps, 1. 150.
basilaris, 1. 151.
clio, i. 285,
coquilletti, i. 286.
——— dolorosus, i. 286.
ferrugineus, 1. 151.
——— fulvus, 1. 287.
helvus, i. 151.
io, 1. 285.
——— io, i. 286.
mexicanus, 1. 151.
ravus, i. 151.
varius, i. 150.
Drachiglossum, iii. 79.
Brachtophyra, i. 324.
effrons, i. 824.
Bnacuvcona, ii. 90.
Brachycoma, ii. 6, 42, 51, 58, 167.
atra, 1i, 92.
afra, ii. 90.
barbatula, ii. 98. "
—— barbatula, X. 91.
— — biseriata, ii. 95.
——— liseriata, i. 91.
chihuahuensis, ii. 487.
cineracea, ii, 100,
cineracea, ài. 92.
fimbriata, ii. 97.
—— Jfünbriata, i1. 91, 488.
foveata, 11. 93,
foveata, i1. 91.
incompta, i. 99.
incompta, ii. 91.
———- irregularis, ii. 97.
—— irregularis, i. 91.
——— laticeps, ii. 92,
laticeps, ii. 90.
longicornis, ii. 99.
longicornis, ii. 92.
BIOL. CENTR.-AMER., Dipt., Vol. III., 4ugust 1903.
DBrachiycoma metopiella, i1. 90.
nigripalpis, ii. 98.
nigripalpis, à. 91.
——— pallidula, ii. 95.
pallidula, i. 91.
——— pygmaea, ii. 95.
—— pygmea, ii. 91.
robusta, ii. 93.
robusta, ii. 91.
ruficauda, ii. 94,
ruficauda, ii. 91.
spuria, ii, 101.
spuria, ii. 92.
striatella, ii. 100.
sirtatella, ii, 92.
sublucens, ii. 96.
sublucens, i. 91.
subtilipalpis, ii. 96.
subtilipalpis, ii. 91.
trifida, ii. 04.
—— trifída, ii. 91.
BnaAcHyoPnHyna, ii, 394.
DBrachyophyra, i1. 313.
effrons, ii. 324,
effrons, ii. 347.
BRACHYPREMNA, i. 229.
dispellens, i. 229.
similis, i. 229.
Brachytarsina, i1. 394.
Bricinnia flexivitta, ii, 400.
DBricinniella cyanea, ii. 400.
CaArLIPHOnA, ii. 294.
Calliphora, 11. 291, 295, 296, 311.
erythrocephala, ii. 294.
femorata, ii. 310.
fulvipes, i1. 297.
——— melanaria, ii. 295.
melanaria, ii, 294.
——— preepes, ii. 310.
—— pre pes, ii. 295.
preescia, ii. 294,
prescia, i. 295.
——— secors, ii. 310.
secors, ii. 811.
semiatra, ii. 295.
semiatra, i. 294, 296.
tristriata, i. 997.
vomitoria, i. 294.
xanthorhina, ii. 310.
CALLOMYIA, iii. 89.
bella, iii. 89.
Callostoma, i. 152.
fascipennis, i. 153.
CALOBATA, ii. 367.
Calobata, ii. 363.
annulata, ii. 873.
0
97
98
Calobata annulata, ii. 968.
arthritica, ii. 976.
bracteata, i1. 871.
——- bracteata, 3i, 968.
——— callichroma, ii. 875.
callichroma, ii, 368.
calocephala, ài. 369.
caloptera, ii. 973.
——— ealosoma, ii. 376.
conveniens, ii. 373.
conveniens, i1. 868.
——— diversa, ii. 569.
——— diversa, ii. 867, 970,
-——— divisa, ii. 376.
erythrocephala, ii. 369,
erythrocephala, à. 367, 370.
——— grata, ii. 971.
grata, ii. 968, 374.
-——— ichneumonea, ii, 973.
ichneumonea, ii. 968, 374.
lasciva, ii. 872.
——— latifascia, ii. 372.
——— latsfascia, ii. 968.
longipes, ii. 975.
lunulata, ii. 372.
——— lunulata, ii. 368, 378.
— — manifesta, ii. 370.
——— manifesta, i. 367.
— — munda, ii. 374.
——- munda, ii. 968.
pectoralis, ii. 365, 576.
platyenema, 3. 314.
——— plectilis, ii. 570.
plectilis, à. 368,
rubella, ii. 963.
rubella, i. 367.
——— russula, ii. 370,
— — russula, ii. 368.
——— stellata, ii. 375.
stellata, i1. 968.
CALOBATINJE, li. 363.
CALODEXIA, ii, 257.
Calodexia, ii. 213, 264.
calceata, ii. 258.
caiceata, ii, 257 , 204.
——— majuscula, ii. 257.
——— majuscula, ii. 958.
obscuripes, ii. 258,
——— obscuripes, ii, 957.
CAMARONA, ii. 24].
Cumarona, ii. 212.
cieruleonigra, ii, 249,
xanthogastra, ii. 241.
Campeneura, ii. T.
CAMPEPROSOPA, i, 239,
Campeprosopa, i. 240.
longicornis, i. 239.
INDEX.
Camptoneura picta, ii. 992.
CARDIACEPHALA, li. 975.
Cardiacephala, ii, 903, 367, 876.
myrmex, ii. 376.
——- nigra, ii. 376.
CaAnPHOTRICHA, ii. 422.
Carphotricha, i. 402.
culta, ii. 422.
culta, i3. 428.
Cartosyrphus, iii. 8.
frontosus, iii. 9.
CxECIDOMYIDZ, i. l.
Cenogaster, iii. 49.
CxxosoMa, ii. 166.
Cenosoma, ii. 44.
signifera, ii. 167.
Cephenemyia, ii. 312.
CeratopAya, ii. 2.
CxrRATOPOGON, 1. 224.
pachymerus, i. 224,
CxERATURGUS, i. 167.
Ceraturgus, i. 913.
dimidiatus, i. 167.
geniculatus, i. 167.
rufipennis, i. 167.
vitripennis, i. 167.
——— würipennis, i. 318.
CERIA, iii. 74.
Ceria, i. 242.
arietis, iii. 78.
——— bergrothi, iii, 77.
bergroth?, ii. 75.
cacica, iii. 78.
meadei, iii. 76.
meadei, ii. 75.
——— nigra, iii. 77.
— — nigra, ii. 75.
—— nigripennis, iii, 75.
pedicellata, iii. 77.
— — pedicellata, iii. 75.
rufibasis, iii. 78.
sackent, ii. 7T.
———- schnablei, iii. 76.
schnablet, ii. 75.
scutellata, iii. 76.
scutellata, ii. 15.
signifera, iii. 76.
signifera, iii. 75.
——— superba, iii. 75,
verralli, iii. 75.
CERIOGASTER, iii, 73,
auricaudata, ili. 73,
Ceromasia, ii. 104, 114.
——— abbreviata, ii. 114.
— — euastanifrons, i. 114.
——— ehrysocephala, ii. 114.
pictigaster, ii. 114.
Ceromasia quadrivittata, ii. 114.
spinipes, ii. 114.
——- sonata, ii. 114.
CEROPLATUS, i. 219.
bellulus, i. 219.
CEROTAINIA, i. 3817.
Cerotainia, i. 184.
8, i. 817.
argyropus, i. 917.
—— dubia, i. 185.
nigra, i. 185.
Cestonia, i. 210.
nigra, ii. 210.
Chaetoccelia palans, ii. 488.
——— vergens, ii. 488.
Cheetogsedia (Gaediopsis) mexicana,
ii. 487.
Chietogena carbonaria, ii. 486,
——- cincta, ii. 4806.
gracilis, ii. 486.
CREJETONA, ii. 253.
Chetona, ii. 211, 215.
congrua, ii. 253.
cruenta, ii. 486.
longiseta, ii. 255.
longiseta, ii. 254.
Chalcidimorpha, i, 509.
CitARADRELLA, ii, 941.
Charadrella, i. 313.
macrosoma, ii. 341.
Cheilosia, ii. 8.
Chetolyga, i. 48, 51.
enea, ii. 5l.
—— allbopicta, ii. 51.
—— dubia, ài. 51.
——— erythropyga, i. 51.
Jlavolimbata, ii. 51.
—— nigripalyis, ii, 51.
nigriventris, i. 51.
nitidiventris, ii. 51.
occidentalis, i. 51.
CHILOSIA, lii. 8.
Chülosia, ii. 9.
aurotecta, iii. 89.
baroni, ii. 9.
——— chrysochlamys, iii. 8.
——— frontosa, iii. 9.
Jrontosa, ii. 8.
hoodiensis, ii, 9.
lasiophthalma, ii. 8, 9.
occidentalis, iii. 9.
petulca, iii. 9.
sororcula, iii. 9.
sororcula, iii, 8.
sororia, iii, 8.
versipellis, ii. 9. ,
Cnuinonu za, i. 60.
Chiromyza füscana, i. 60.
CHIROMYZIDZ,, i. 60.
CHIRONOMIDA, i. 6, 224,
CHLOROPROCTA, ii. 296.
Chloroprocta, ii. 991,
?, ii. 296.
semiviridis, ii. 296.
semiviridis, ii, 297.
Chlorops unicornis, ii. 488.
CRHOLOMYIZA, ii. 246.
CAulomyia, ii, 219, 957.
insquipes, ii. 247.
Chordonota carbonaria, i. 43.
fuscipennis, i. 43.
CHORTOPHILA, ii. 339.
Chortophila, i1, 313.
—— — ?, 11. 939.
——- stlemba, ii. 347.
stlemba, ii. 339.
Chrysanthraz, 1. 113, 121, 279.
CHRYSOCHLORA, i. 242.
——— amethystina, i. 242,
——— pulchra, i. 243.
purpurea, i. 42.
vespertilio, 1. 242.
CHRYSOCHROMA, i, 233,
Chrysochroma, i. 235.
——— flavopilosum, i. 233.
——— latifrons, i. 254.
pulehrum, i. 253.
CunYSOGASTER, lii. 7.
bellula, iii. 7.
nitida, iii. 7.
Chrysomyia fulvipes, i. 297.
anacellaria, à. 291.
CArysonotus, i. 233.
seneiventris, i. 377.
——— «eneiventris, 1. 233.
—— flavopilosus, i. 42.
Jlavopilosus, 1. 233.
CunyvsoPILA, i. 60, 264.
—— — £, i. 60.
—— —8, i. 61.
—— —— 8, i. 6l.
—— P,i. 6l.
apicalis, i. 61.
aterrima, 1. 264,
aterrima, i. 265.
——— basalis, i. 62.
basalis, 1. 60.
——— basilaris, i. 265.
—— humilis, 1. 265.
——- invalida, i. 265.
——- latifrons, i. 266.
mexicana, i. 62.
——— nana, i. 265.
——- nigra, i. 62.
INDEX.
Chrysopila plebeia, i. 264.
— — plebeia, i. 265, 206,
——— puella, i. 265.
quadrata, 1. 265.
trifasciata, i. 62.
Cirgysops, i, 45, 255.
CArysops, i. 47.
?, i. 256.
——— allinis, i. 58.
——— altivagus, i. 45.
apicalis, i. 59.
costatus, i. 46, 255.
——— crassicornis, i. 59.
crassicornis, 1. 255.
flavidus, 1. 58.
geminatus, i, 59, 255,
latefasciatus, 1. 40.
—— ]ateralis, i. 59.
latifasciatus, i. 46, 256.
— — megnaceras, i. 59.
megaceras, i. A7.
— — nezlectus, i, 2506.
pallidus, 1. 58.
rufipes, i. 45.
scalaratus, i. 59.
subezecutiens, i. 59.
——— tanycerus, i. 46.
tanycerus, i. AT.
virgulatus, i. 59, 255.
—— vulneratus, 1. 46.
CunRYsoTOXUM, iil. 5.
?, iii. 5.
?, iii. 5.
——— integre, iii. 5.
laterale, ii. 5.
ypsilon, ii. 5.
Cu RXSOTUS, 1. 347.
—— — — 9, 1. 848.
9, i. 948.
discolor, i. 347.
excisus, 1. 348.
hirsutus, i. 948,
niger, i. 947.
——— picticornis, i. 548.
teapanus, i. 547.
—— vividus, i. 348,
CHRYLIZA, ii. 361.
apicalis, ii. 362.
euthea, ii. 362.
varipes, ii. 361.
CISTOGASTER, il. 445.
Cistogaster, ii. 4.
ferruginosa, ii. 448.
—
—— ferruginosa, à. 445, 449.
griseonigra, ii. 447.
griseonigra, ii. 445.
—— hirticollis, ii. 448.
Cistogaster hirticollis, i. 445, 449.
immaculata, ii. 447, 448.
melanosoma, ii, 446.
melanosoma, i1. A45.
occidua, ii. 447, 448, 449.
pallasi, ii. 446, 447, 448.
propinqua, ii. 447.
propinqua, ii. 445.
ruficornis, ii, 446.
ruficornis, 1. 445.
——— subpetiolata, ii. 446.
——— subpetiolata, i. 445, 447.
variegata, ii. 449.
variegata, ii. 445.
Cleigastra, à, 948.
CLINOGASTER, li. 457.
Clinogaster, i1. 455, 458.
notabilis, ii. 457.
CrrNOPERA, il. 905.
Clinopera, ii. 292.
anthomyidea, 1i. 311.
digramma, ii. 308.
digramma, à. 306, 307.
dorsilinea, ii, 308.
dorstlinea, ii. 3006.
frontina, ii. 306.
——— gluto, ii. 311.
hieroglyphiea, ii. 307.
hieroglyphica, i. 306.
inuber, ii. 508.
inuber, 3. 906, 309.
monstrata, ii, 309.
——— monstrata, ii. 306,
pellex, ii. 811.
polystigma, ii. 309.
polystigma, ii. 906.
——— pterostigma, ii. 309.
pterostigma, i, 300.
uber, ii. 307.
uber, ii. 300, 308.
CLISTA, ii. 207.
Clista, i. 7, 44, 208.
feda, ii. 207.
muscaformis, 1i. 207.
Clistomorpha ochracea, ii. 486.
Clitellaria fenestrata, i. 49,
halala, i. 43,
——— obesa, i. 43.
;o——— pygmea, i. 43.
stigma, 1, 377.
Clytia, i. 205.
Cnemodon, iii. 6.
CNEPHALIA, ii. 45, 480.
Cnephalia, i1. 42, 44, 46, 480.
bucephala, ii. 46.
——— hebes, ii, 45.
hebes, ii, 40.
100
Cnephalia obesula, ii. 46.
obesula, ii. 45, 47, 481.
——— ochriceps, ii. 481.
ochriventris, ii. 47.
ochriventris, ii, 45.
onusta, ii. 46.
onusta, ii. 45, AT.
Colometopia, i1. 987, 388.
CaNOSIA, li, 943.
Conosia, i1. 3193, 546.
bicolor, ii. 347.
bistriata, ii. 345.
bistriata, 1i. 943.
femoralis, ii. 345.
Jemoralis, 3. 843,
——— macrocera, 11. 844.
— — qacrocera, ii. 943.
— — oscillans, ii. 344.
oscillans, 1. 843.
pacifera, ii. 347.
——— punetulata, ii. 345.
sevens (uvens), ii. 247,
——— tenuicornis, ii. 343,
vitilis, ii. 947.
Coxasrzs, i. 151.
Comastes, i. 76.
robustus, i. 151.
CoMPSOMYIA, ii. 207.
Compsomyta, 3i. 29].
f'ulvtpes, i1, 297.
— — mncellaria, ii, 297.
COMYOPS, ii. 262,
Comyops, ii. 213.
nigripennis, ii. 262,
—— nigripennis, i1. 263.
steiaticollis, ii. 262.
Conopejus, ii. 79.
COoNOPIDZE, iii. 79, 91.
Conopilla, ii, 79.
COoNOPS, iii. 79.
Conops, i. 242; i. 456; iu. 8].
?, iii. 81.
P, id. 8l.
anthreas, iii. 80.
anthreas, ii. 79.
brachyrhynchus, ii, 80.
——— calcitrans, i1, 292.
carbonarius, ii. 82.
——— discalis, iii. 80.
——- discalis, 1i. 79.
——— nigrifacies, iii, 82, 83.
——— ocellatus, iii. 91.
ochreiceps, iii. 83.
sequax, iii. 80.
sequaz, ii. 79, 8].
sylvosus, iii. 8].
——— sylvosus, lii. 79.
INDEX.
CoPESTYLUM, iii. 56.
——— flawiventre, iii. 56.
—— limbipenne, iii. 56.
——— marginatum, iii. 56.
——— parvum, iii, 89.
simile, iii. 89.
Cornua, i. 181, 314.
bella, 1. 814.
clausa, 1. 914.
eristuta, i, 314.
Jur, i. 814, 315.
humilis, i. 315.
humilis, i. 314.
—— pulchella, i. 314.
scitula, i. 914, 815.
sodalis, i. 181, 314.
iéruncus, 1. 914.
Coprina, iii. 73.
ConDYLIGASTER, ii. 252,
Cordyligaster, ii. 213.
minuscula, ii. 259.
——— petiolata, ii. 252.
COoRDYLURZA, ii. 948.
Cordylura, ii. 950.
brevicornis, ii. 849.
lutea, ii. 349,
podagrica, i. 385.
——— rufina, ii. 849,
rufina, ii. 850, 851.
vicina, ii. 350.
vicina, i. 949.
CORDYLURINJE, ii, 248.
Cormansis eupoda, i. 185.
CnioPnROna, iii. 72.
arctophiloides, iii. 89.
villosa, iii. 72.
Cryptineura, i. 7.
—— Hhieroglyphica, iii. 7.
CULEx, i. 5.
annulatus, i, 5.
bieoti, i, 6.
—— henmorrhoidalis, 1. 224.
mexicanus, i, 6.
———- posticatus, i. 6.
CuriciDAs, i. 5, 294.
Curtocera, Y. 802.
Curtoneura, ii. 309.
Curtonotum gibbum, i1. 353.
simpler, ii, 954.
CuvTEREBAA, ii. 1, 433.
——— americana, ii, 1.
——— analis, ii. 2.
——— approximata, ii. 2.
——— atrox, ii. 2.
cauterium, i. 1.
——— emasculator, ii, ].
——— scutellaris, ii, 1.
Cuterebra terrisona, ii. 1.
Cutirebra, ii. 1.
Cutiterebra, i1. 433 .
Cyelorhynchus, i, 288.
CYNIPIMORPHA, i. 252.
——— hilimeki, i. 43.
—— bilimeki, 1. 252.
minuta, i. 252.
Cynomyia, ii. 288.
Cyphocera, ii. 91, 95, 86.
ruficornis, ii. 95.
CyPHOMYIA, i. 34, 243.
Cyphomyia, i. 35, 96.
2, i. 35.
——— albitarsis, i, 35, 243.
androgyna, i. 94.
androgyna, 1. 95.
—— aguriflamma, i. 43.
bicarinata, 1. 244.
chrysodota, i, 43.
cyanea, 1. 49.
dispar, i. 36.
——— fenestrata, i, 35, 243.
lagiophthalma, i. 244.
lasiophthalma, 1. 245.
marginata, 1. 36.
oehracea, 1. 977.
—— pilosissima, i. 43, 244,
—— pilosissima, i. 36.
scalaris, i. 43.
scalaris, i, 95,
similis, i. 43.
——— similis, i. 96.
simplex, i. 43.
tomentosa, i. 43.
tomentosa, 1. 36.
——— varipes, 1. 34, 243.
varipes, i. 35.
verticalis, 1. 84, 35.
- OxnTID E, i. 163, 997.
OvnTOMETOPA, ii. 988.
Cyrtometopa, ii. 378, 287.
cinctella, ii. 389,
cinctella, ii, 888.
——- ferruginea, ii, 389.
erruginea, ii. 388.
Cyrtoneura, 3, 309, 303, 304.
anthomiyidea, ii. 311.
callimera, i. 309.
——— fulvipes, i1. 811.
— — maculipennata, ii. 311.
mexicana, ii. 311.
— — nigriceps, ii. 911.
pallidicornis, à. 311.
violacea, ii. 311.
viltigera, ii. 303, 304.
Cyrtoneurina anthomyidea, ii. 311.
Cyrtoneurina callimera, ii. 309.
gluto, ii, 311.
inuber, ii. 308.
—— mexicana, ii. 311.
—— parilis, ii. 311.
pellez, ii. 311.
——— uber, ii. 307.
vecta, ii. 311.
——— wittigera, ii. 304.
C yrtophleba horrida, ii. 486.
Dacus fraterculus, ii. 404, 405.
podagricus, ii, 385.
Dawarrs, i, 308.
(9) divisa, i. 309.
occidentalis, i. 309,
Dasyllis, i. 186.
Dasyphora, ii. 302.
Dasypogon, i. 173.
abdominalis, 1. 168.
— — «acus, 1, 168,
affinis, i. 178.
bigoti, i. 178.
brunneus, i. 178.
candidus, i. 171.
——— craverit, i. 178.
—— — ewuantlensis, 1. 175.
—— dimidiatus, 1. 107.
dubius, 1. 178.
duillius, 1, 178.
—— fullaz, i. 180.
fasciventris, i. 171.
gelascens, i. 171.
goniostigma, i. 178.
—— hwmilis, i. 315.
Jalapensts, i. 177..
—— lindigüi, 1. 174.
——— lucas, i. 170.
—— lugubris, i. 180.
—— magnificus, i. 169.
——— nigripennis, 1. 179.
nigripes, i. 178.
mitidus, i, 171, 508.
pseudojalapensis, i, 178.
——— rubescens, i. 176.
rufipennis, i. 167.
sallei, i. 174, 178.
secabilis, 1. 171.
spathulatus, 1. 168.
—— spinipes, i, 187.
——— í£ricolor, i. 179.
trifasciatus, i. 170.
truquii, i. 169.
—— ftruquiti, i. 903.
—— wirescens, i. 179.
DASYPOGONINA, i. 1067.
INDEX.
DrGxER1A, ii. 150, 485.
Degeeria, ii. 7, 43, 156, 1806, 208.
albomarginata, ii. 155.
——— albomarginata, ii. 151.
——— anthracina, ii. 156,
——— basalis, ii. 152.
——— basalis, ii. 150.
blanda, ii. 484,
compressa, ii, 153.
compressa, ii, 151,
cora, ii. 156,
cruralis, ii. 487.
dicax, ii. 486.
——— hyalinipennis, ii. 152.
— — hyalinipennis, ii, 150.
insecta, ii. 486.
leucocycla, ii. 154.
leucocycla, ii. 151.
—— longipes, ii. 155.
longipes, ii. 151, 195, 204,
485.
——— magnicornis, ii. 153.
magnicornis, à. 151, 155.
——— mexicana, ii, 486.
— — monochroma, ii. 154.
monochroma, i. 151.
nervosa, ii. 155.
nervosa, i. 151.
——— nigricans, ii, 153.
nigricans, i, 150.
nigrifacies, ii, 485.
nigrocostalis, ii. 151.
——— nigrocostalis, 3. 150.
nitidiuscula, ii. 151.
nitidiuscula, i. 150.
DxjEANIA, ll. 7, 459.
Dejeania, ii. 5, 11, 18, 23, 27, 460.
analis, ii. 11.
analis, 3i. 460.
armata, ii. 460.
atrata, ii. 8.
——— aurea, 1i. 487.
brasiliensis, i1. 460,
corpulenta, ii. 9, 459.
corpulenta, ài. 8, 10, 17, 23.
—— Aystricosa, ii. 7.
montana, ii. 459.
pallipes, ii. 8.
pallipes, ii. 9, 18, 20.
plumitarsis, ii. 10, 459.
plumitarsis, ii. 8, 23.
—— rufipalpis, ii. 9, 10.
rutilioides, ii. 9, 459.
—— rutilioides, i1, 8, 25.
—— vexatriz, i. 9, 10.
Demoticus, ii. 39.
DEROMYIA, i. 310.
101
Deromyia, i, 173, 511.
—— — 9,1. 311.
?, i, 311.
— — fulvipes, i. 173.
gracilis, 1. 173.
jalapensis, i. 911.
——— rubescens, i, 911. 2
sallzi, 1. 311.
salle, i. 312.
DzxrA, ii, 242,
Dexia, ii. 128, 140, 212, 222, 257,
203.
——— eneiventris, i1. 301.
aucta, ii. 248.
diadema, ii. 197.
——— dives, ii. 248, 249.
eques, ii, 248,
Jlavipennis, ii. 138.
genuina, ii, 243.
gracilis, i. 250.
longiseta, ii. 253.
melaleuca, ii. 223, 224.
pertecta, ii. 263.
—— petiolata, ii. 252.
Dzexixg, ii, 211.
Dexiophana semulans, ii, 488.
Dzxr0soua, ii. 244.
Dexiosoma, ii. 212, 280, 245, 2063.
fumipenne, ii, 245.
——— fumipenne, ii, 230.
—— partitum, ii. 245.
vibrissatum, ii. 244.
vibrissatum, à. 245.
Diabasis, 1. 57.
DrAcHLORUS, i. 57, 263,
ferrugatus, 1. 57, 268.
Diacrita costalis, ii. 400.
Dialineura nigra, 1. 163,
Dialyta bicolor, ii. 847.
DraPHORUS, 1. 345.
—— ——— B, i. 947.
—— —— 98,1. 847.
approaximatus, i. 345.
deceptivus, 1. 346.
nigrescens, i, 346,
opacus, i. 946.
satrapa, i. 347.
——— simplex, i. 345.
simplex, i. 947.
——— spectabilis, i. 345.
subsejunctus, 1. 340.
Diaugia, ii. 250.
angusta, i. 250.
DrICHELACERA, i. 58, 263.
cervicornis, i. 58, 263.
fasciata, 1, 58.
januarii, i. 263,
——
102
Dichelacera pachypalpus, i. 377.
pulehra, i. 268.
' —— scapularis, i. 59.
scapularis, 1. 204.
Drcriz8A, i. 47.
Diclisa, i. 48.
maculipennis, i. 47.
— — misera, i. 47.
misera, i. 48.
DICRANUS, i. 302.
—— jaliscoensis, i. 802.
longiungulatus, i. 302.
rutilus, 1. 902.
tucma, 1. 302.
DDictya ocellata, ii. 995.
pennipes, ii. 8.
Drpz4A, iii. 18.
JDidea, ii. 15.
coquilletti, iii. 19.
——- laxa, iii. 18.
laxa, ii. 19.
DripxuA, ii. 156,
JDidyma, ii. 43, 186.
albomieans, ii. 162,
albomicans, ii. 157, 163, 164.
ambulatrix, ii, 158.
—— ambulatrix, ii. 157, 159.
basilaris, ii. 159.
basilaris, à. 157.
——— commixta, ii. 163.
commüzcta, ii. 157, 488.
connexa, ii. 488.
exigua, ii. 160.
exigua, ii. 157.
fuliginipennis, ii. 164.
——— fuliginipennis, i1. 157.
inconspicua, ii. 163,
inconspicua, i. 157.
modesta, ii. 160.
modesín, i. 157.
— — mcoesta, ii. 158.
mosta, 3. 157.
—— nigricolor, ii. 158.
migricolor, ii. 157, 163.
——— otiosa, ii. 159,
otiosa, ii. 157.
pavida, ii. 165.
pavida, i. 157.
prompta, ii. 161.
—— prompta, X. 157.
pullula, ii. 162.
pullula, à. 157.
——— timida, ii. 161.
—— timida, i. 157.
vagabunda, ii. 161.
ragabunda, i. 157.
validinervis, ii. 164.
INDEX.
Didyma validinervis, ii. 157, 489.
volucris, ii. 165.
volucris, ii. 157.
Diroenus, i. 4, 223.
— RE Ó
——— maculatus, i. 5.
melanarius, i. 4, 223.
minutus, i. 5, 223.
——— orbatus, i. 5, 229.
——— stigmaterus, i. 223.
stygius, 1. 5.
Dimeraspis, ii. 2.
Dimorphomyia calliphorides, ii. 445.
Dinera, ii. 240.
Droawrrzs, i. 173.
Diogmites, i. 172, 174, 177, 178, 310,
31ll.
—— 8, 1. 178.
——— affinis, i, 178.
affinis, i. 173.
—— angustipennis, i. 178.
bigoti, i. 178.
brunneus, i. 178.
craverii, i. 178.
——— cuantlensis, 1. 175.
euantlensis, 1. 113, 174.
——— dubius, i. 178.
dubius, 1. 173.
duillius, i. 178.
eoniostigma, i. 178.
goniostigma, i. 176.
——- jalapensis, i. 177.
lindigi, i. 174.
—— lindigii, i. 172.
——— memnon, 1. 174.
misellus, i. 173, 177.
——— nigripes, i. 178.
——— nigripes, i. 175.
pseudojalapensis, i. 178.
——— pseudojalapensis, i. 173.
——— rubescens, i. 176.
sallzei, i. 174.
sallei, 1. 178, 311.
——— sp., i. 174.
——— tau, i. 176.
——— tu, 1. 174.
ternatus, i. 178, 178.
winthemi, i. 177.
JDiostracus, 1. 842,
DrPALTA, i. 98, 275.
Jipalta, i. 75.
serpentina, i. 08, 275.
serpentina, 1. 121.
Iuphysa rufipalpis, i. Al.
Diplocampta, i. 98, 121, 275.
jalapensis, 1. 173, 174, 178, 311.
rubescens, 1. 178, 174, 177, 311.
Diplocampta singularis, i. 121.
Diplocentra, i. 854.
gibba, ii. 353.
simplex, ii. 554.
JDiscocephala, 1. 171.
affinis, i. 171.
deltoidea, i. 171.
divisa, i. 171.
interlineata, 1. 171.
longipennis, i, 171.
—— sninuta, i. 171, 508.
—— nitida, i. 908.
DrsriCHONA, li. 44, 480.
Distichona, ii. 42, 45.
varia, ii. 44, 480.
Ditomyia mexicana, i. 971.
zonata, 1. 9T.
DrzoNtias, 1. 169, 304.
JDizonias, i, 905.
?, i. 169.
—— ——— P, i. 170.
?, i. 904.
—— bicinctus, 1. 169.
——— ]ueasi, 1. 904.
lueasi, 1. 170, 805.
——— pheenieurus, i. 904.
—— gphonicurus, i. 170, 305.
quadrimaculatus, 1, 169.
sp., i. 905.
tristis, i. 905.
JDolichopeza, 1. 19.
Doricnoropnrpa, i. 213, 335.
Doricuorus, i. 215, 533.
?, 1. 214,
——— hifractus, i. 833.
——— lifractus, 1. 214.
——— myosota, i. 215, 333.
ramifer, 1. 214.
Doliosyrphus hirtipes, iii. 75.
rileyi, ii. 63.
scutellatus, ii. 63.
DonxcLus, i. 182.
Doryelus, i, 183.
——— varipennis, i, 182,
DnAPETIS, i. 376.
femoralis, i. 376.
flavida, i. 376.
Drosophila excita, ii. 488.
Dryonyza maculiceps, ii. 360.
Eccnrrosia, i. 207, 327.
Eccritosia, 1. 208.
amphinome, i. 207, 327,
Echinomya, ii. 31,
EcniNoM 1A, ii, 31, 470.
FEchinomyia, ii, 5, 7, 9, 18, 29, 35,
41, 210, 472.
INDEX. 105
Echinomyia analis, ii. 38, 473. Empis atrifemur, i. 307. EPrPHRAGMA, i. 9.
analis, i. 11, 31, 32, 50, 471, azteca, i. 369, Eypiphragma, i. 19.
472. azteca, 1. 367. ——— circinata, i. 9.
——— compasceua, ii, 473.
compascua, ii. 471.
cinerascens, ii. 910, 471.
cora, ii. 34, 210. bicolor, i. 967, 369.
corpulenta, ii. 10. ——— chichimeca, i. 368,
——— diaphana, ii. 473. ——— chichimeca, i. 367.
— — benigna, i. 215.
——— benigna, i. 367, 308,
bicolor, i. 916, 370.
picta, i, 9.
solatrix, i. 19,
sola£rix, i. 9.
Eyitriptus albo-spinosus, i. 210.
— — niveibarbus, i. 210.
Enax, i. 197, 322,
diaphana, ii. 471. cyanea, 1. 216, 367. rev, i, 198, 208, 204, 205, 900,
——— dispar, ii. 34. ——— cyanea, i. 215, 368, 323, 394.
——— dispar, ii. 5, 31, A471,
—— Jfilipalpis, ii. 32,
flaviventris, ii. 32.
Jlaviventris, ii. 31, 470.
——— fuliginipennis, ii. 468,
——— generosa, ii. 472,
——— generosa, i. 471, 473.
—— lwuemorrhoa, ii. 32.
*—— macrocera, ii. 34, 210.
nigro-calyptrata, ii. 33, 473.
—— mnigro-calyptrata, ii, 31, 471.
——— diaphorina, i. 215.
——— diaphorina, i. 916, 307.
dolichopodina, 1. 915.
dolorosa, i. 370,
dolorosa, i. 307.
montezuma, i. 969.
montezuma, i. 907,
—— pegaasus, i. 216.
pegasus, i, 307.
picta, i. 216.
rubida, i. 368,
——— 8, i. 199.
?, 1. 202.
— — P, i. 204.
8, i. 205.
?, i. 205,
affinis, i. 206.
affinis, 1. 209.
—— albibarbis, 1. 209.
ambiguus, i. 200, 201.
anomajlus, i. 199, 323.
anomalus, i. 198, 200, 201, 322.
LI
-—— notata, i1. 34, 210.
picea, ii. 474.
picea, ii. 471.
——— piliventris, ii. 34, 474,
—— piliventris, ii. 81, 471.
——- robusta, ii, 32, 471.
robusta, i. 31, 474.
rubrifrons, ii. 210.
—— ihomsoni, ii, 32.
——- viltata, i. 473.
Ecrr1MTS, i. 161, 295.
Eclimus, 1. 77, 296.
(P) auripilus, i. 161.
aur ipilus, 1. 162.
——- fascipennis, i; 295.
Airtus, i. 162.
quadratus, i. 295.
Efferia, i. 322, 823.
anomalis, i. 823.
KEichoichemus, 1. 823.
KElachipalpus, i. 210.
nigrifrons, ii. 210,
Elgiva, ii. 358.
Elophilus, iii. 7.
Emphysomera, i. 211.
———- bicolor, i. 211.
bicolor, i. 932.
pilosula, i. 211.
——— pilosula, i, 832.
ExPrp2, i. 214, 366.
EMPINGE, i. 966.
Eu?is, i. 214, 366.
——- annulipes, i. 269.
annulipes, i. 307, 870.
—— atrifemur, i. 970.
——— rubida, i. 867.
— — spiloptera, i. 216.
spiloptera, i. 367. —
suavis, i. 216, 368.
suavis, 1. 215, 367.
——— totipennis, 1. 216.
totipennis, i. 907.
violacea, 1. 216.
violacea, i. 307.
—— xochitl, i. 370.
aochitl, 1. 307.
Enica, ii. 18.
ENSINA, ii. 416.
Ensina, ii. 402.
conspersa, ii. 417.
——— despecta, ii. 418.
despecta, ii. 416.
guttularis, ii. 418.
——— guttularis, 11. 410.
—— humilis, ii. 417.
humilis, ii. A16.
—— luculenta, ii. 417.
luculenta, i1. 416.
—— — mediana, ii. 418.
mediana, ii. 416.
——— peregrina, ii, 417.
peregrina, ii. 416.
EPacurvs, i. 142, 284.
Epacmus, i. 70, 148, 144, 147, 148,
285.
——— modestus, i. 142, 284.
Epibates, i. 77, 161.
conspersa, ii, 416, 418.
modestus, i. 143, 149, 285.
Ephippium fenestratum, i. 43.
aper, i. 206.
argyrogaster, 1. 206.
argyrogaster, i. 201.
——— bellardii, i. 206.
bicolor, i. 206.
bimaculatus, i. 206, 325.
bimaculatus, i. 197, 322,
carinatus, i, 2006, 323.
3241.
——— cinerascens, i, 202, 323.
cinerascens, i. 198, 322.
cingulatus, i. 206.
— — comatus, i. 206.
comatus, 1, 203.
completus, i. 199.
——— concinnatus, i. 323.
concinnatus, i. 322.
disjunetus, i, 326.
——— disjunctus, i. 322.
dolichogaster, i. 326.
dolichogaster, i. 322.
—— — eximius, i. 2006.
flavofasciatus, i. 200.
——— furax, 1. 209.
——— interruptus, i. 200.
Jubatus, i. 201, 203.
lascivus, i. 206.
lateralis, i. 200.
—— loewi, i. 206.
——— maculatus, i. 200, 323.
— — marginatus, i. 206.
nigrünystaceus, i. 203.
—— nigripes, 1. 206,
carinatus, i. 203, 204, 905, 322,
maculatus, i. 198, 201, 322,
104
Erax parvulus, i. 206.
parvulus, i. 203, 204.
pavidus, i. 826.
pavidus, i. 322.
prolificus, i. 202, 323.
grolificus, i. 197, 198, 203, 204,
205, 322, 324.
—— pumilus, i. 206.
quadrimaculatus, i. 206, 525.
—— quadrimaculatus, i. 197, 922.
rapax, i. 201.
rapax, i. 198, 908.
sagax, 1. 324.
sagax, 1. 322.
sp.?, i, 198.
——— splendens, i. 825.
splendens, 1. 922.
stamineus, 1. 201.
striola, i. 200.
tagaz, 1. 924.
tricolor, i. 206.
——— tricolor, i. 202.
triton, 1. 200.
—— trilon, 1. 198, 201.
——— unicolor, i. 206.
wnicolor, i. 205, 205.
villosus, i. 200.
Erebia, i. 128.
EnzrocEna, i. 10, 226.
-Eriocera, i. 12.
brunneipes, i. 227.
——— erythrea, i. 11.
erythrea, i. 10.
fasciata, i. 226.
——— flavida, i. 227.
gracilis, 1. 12.
—— gracilis, 1. 10.
hzmorrhoa, i. 11.
—— hemorrhoa, i. 10, 12, 15.
lessepsi, i. 13.
——— lessepsi, 1. 10.
mesoxantha, i. 10.
nigra, i. 18:
obsoleta, 1. 227.
pretiosa, 1. 12.
—— pretiosa, i. 10.
tenebrosa, 1. 19.
zonata, i. 10.
Aristalinus, iii. 56.
EnrsrTALIS, iii, 56,
LEvistalis, ii. 59.
?, iii, 63.
?, iii. 64,
?, iii. 65.
— — gmulus, iii. 64,
cenulus, ii. 58.
agrorum, ii. 64.
INDEX.
Eristalis albiceps, iii. 62.
albifrons, iii. 69.
—— albifrons, ii. 58.
——— atropos, iii. 90.
bellardii, iii. 60.
—— bifasciatus, iii. 62,
bogotensis, iii, 60, 61.
bombusoides, iii. 89.
circe, iii. 59.
eirce, 1i. 57, 58.
—— clarissimus, iii. 89.
cosmius, iii. 6l.
cosm1us, lii. 57.
—— diminutus, iii. 66.
——— expictus, iii. 66.
familiaris, iii. 60.
fasciatus, iii. 62.
J'asciatus, iii. 58, 65.
——— faseithorax, ii. 63.
femoratus, ii. 61.
——— fulvipes, iii. 66,
furcatus, iii. 61.
J'urcatus, ii. 57.
——— ]ateralis, iii. 78.
—— latifrons, iii. 60.
latifrons, iii. 57.
mexicanus, iii. 66.
minutalis, iii. 64.
manutalis, 3i, 58.
obsoletus, iii. 59.
obsoletus, ii. 57, 60.
—— ochraceus, iii. 60.
ochraceus, ii. 5T.
——— ornatus, iii. 90.
pachypoda, iii. 60.
BEN
—— pachypoda, 3i. 57, 59.
——— persa, iii. 58.
persa, ii. T.
podagra, ii. 62,
——— preeclarus, iii. 89.
pusio, ii. 65.
——— pygm«eus, ii. 65.
rufiventris, ili. 65.
rufiventris, ii. 58.
rufoscutata, iii. 60.
sackenis, iii. 66.
sallei, iii. 90.
scutellaris, iii. 63.
scutellaris, ii, 58.
seutellatus, ii, 63.
semieirculus, iii. 78.
seniculus, iii, 62.
stzpator, ii. 60.
sumichrasti, iii. 90.
—— íenia, ii. 63.
testaceicornis, il. 59,
LI
Eristalis thoracica, ii. 59.
——— triangularis, iii, 90.
tricolor, iii. 62.
tricolor, iii. 58.
—— trifasciatus, iii. 64.
—— trigonus, iii. 61.
—— trigonus, iii. 9T.
—— trilimbatus, iii. 89.
—— warum, ii. 64.
——— vinetorum, iii. 63.
—C-— vinetorum, iii. 58.
Eristalomya, iii. 56.
Evristalomytia calomera, iii. 23.
KEristicus nigripes, i. 200.
villosus, 1. 200.
EvANTHA, ii. 248.
Euantha, 1. 213.
dives, ii. 249.
pulchra, ii. 249.
pulchra, 33. 248.
EUARESTA, ii. 423.
Euaresta, 31. 402, 420.
angustipennis, ii. 425.
angustzpennis, ii. 423.
audax, ii. 428.
crenulata, ii. 423.
——— crenulata, à. 424.
—— latipennis, ii. 488.
——— mexicana, ii. 428.
—— rufula, ii. 424,
——— rufula, i. 423, 425.
——— scitula, i1. 425.
scitula, i1. 423.
scutellata, i1. 428.
——— sobrinata, ii. 425.
sobrinata, i. 429, 426.
——— timida, ii. 424.
—— timida, ii. 423.
Euhybus, i, 372, 374.
KEuolena, i. 987.
EuPARHYPHUS, i. 59, 219.
Euparhiyphus, 1. 88, 40.
bellus, i. 89.
——— brevicornis, i, 99.
carbonarius, i. 277.
——— (?) decem-maculatus, i. 40.
decem-maculatus, 1. 39.
elegans, 1. 40.
elongatulus, i. 249.
ornatus, i. 99.
——— stigmaticalis, 1. 39.
tetraspilus, i. 39.
tricolor, i. 40,
EvPEODES, iii. 14.
volucris, iii. 14.
Eurigaster, ii. 54, 75.
commetans, ii, 54, 76.
-Eurigaster desita, ii. 75.
Fertoria, ii, 75.
—— habilis, ii. 75.
——— postica, ii. 75.
saginata, i. 75.
EURYNEUnA, i. 250.
Euryneura, i. 38.
?, i. 250.
——— elegans, i. 950.
Jascipennis, 1. 250.
—— propinqua, i. 250.
—— pygmeea, i. 43.
EUTARSUS, i. 949.
loewi, i. 349.
EvTRETA, ii. 413.
JEutreta, à. 401, 414.
patagiata, ii. 414,
sparsa, ii. 413.
sparsa, 1. 414.
EvxESsrTA, ii. 596.
Ewzesta, ii. 578, 597, 400.
alternans, ii. 399.
alternans, ii. 396.
——— conserta, ii. 999.
conserta, ii. 396.
fascipennis, ii. 398.
Jascipennis, ii. 396.
laticeps, ii. 397.
laticeps, ii. 996.
——— latifasciata, ii. 307.
latifasciata, ii. 396, 398.
——— major, ii. 398.
major, ii. 396, 399.
nigricans, ii. 397.
— —— nigricans, ii. 996.
spoliata, ii. 897.
——— stigmatias, ii. 399.
stigmatias, 1. 396.
ExoPROSsoPA, i, 77, 81, 269.
INDEX.
Evoprosopa clelia, i, 80.
cleomene, i. 78.
clotho, 1. 80.
——— divisa, 1. 269.
dorcadion, i. 89.
doris, 1. 270.
doryea, 1. 78.
eremita, i. 82.
erythrocephala, i. 273.
J'ascipennis, i. 82.
——— filia, i. 86, 272.
—— filia, i. 80, 81, 87, 270.
germari, i. 90.
—— ignifer, i. 89.
iota, i. 82, 270.
vota, 1. 80, 269, 971.
jacchus, 1. 18.
Jaennickeana, i. 80.
——— kaupi, i. 94,
limbipennis, i. 84, 971.
—— limbipennis, i. 78, 80, 85, 806,
270, 272.
lugubris, i. 78.
marginicullis, i. 81.
occulta, i. 18.
—— oculata, i. 78.
——— anomaws, i. 18.
—— olivieri, i, 78,
—— pandora, i. 78.
——— pardus, i. 88,
pardus, i, 80.
—— pavida, i. 273.
avida, i. 270.
pilatei, 1. 90.
proene, i. 85.
procne, i. 80, 271.
—— proserpina, i. 92.
pueblensis, i. 82, 270.
—— gueblensis, 1. 80, 269.
Exorista angustata, ii. 70.
angustata, i. 61, 62.
—— brevis, ii. 64.
—C— brevis, i1. 61.
c:eruleiventris, ii. 64.
eceruleiventris, ii. 60.
cessatrix, li. 75.
commetans, ii. 75.
consobrina, ii. 68.
eonsobrina, i1. 61.
desita, ii, 75.
elongata, ii. 65.
elongata, ii. 61, 130.
exilis, ii, 71.
exilis, ii. 62.
fertoria, ii. 79.
flavicans, ii. 74.
——— flavicans, ii. 62.
flavirostris, ii. 69.
Jlavirostris, 3. 61, 482.
geminata, ii. 482,
glabrieula, ii. 73.
—— glabricula, ii. 62.
griseomicans, ii. 74.
griseomicans, ii. 61, 62.
habilis, ii. 75.
hispida, ii. 65.
hispida, ii. 61.
humilis, ii. 72.
—— humilis, ii. 02.
ignobilis, ii. 71.
ignobilis, ii. 62.
—— indita, ii. 75.
interstincta, ii. 69.
interstincta, i. 61, 73.
lagos, ii. 487,
latevittata, ii. 66.
——. latevittata, i. 61.
——- latimana, ii. 67.
HEIL I
latimana, ii. 61, 68, 211, 432.
leuconota, ii, 482.
——— maura, ii. 72.
maura, Y. 62, 73.
Kwoprosopa, i, 70, 78, 19, 80, 86, ——— rhea, 1. 83.
87, 88, 890, 90, 94, 95, 98, 99, 111, rhea, i. 80.
112, 113, 116, 119, 121, 124, 273, rostrifera, i. 86, 271.
276. rostrifera, i. 80, 81, 87, 270, 272.
—— adelaidica, 1. 81.
—— albiventris, i. 89, 90.
algira, i. 81.
—— anthracoidea, i. 85.
antAracoidea, 1. 80, 271.
argentifasciata, i. 85, 86.
blanchardiana, i. 80, 96.
brevirostris, i. 272.
brevirostris, 1. 270.
brevistylata, i. 272.
brevistylata, i. 270.
——- caliptera, i. 81.
caliptera, i. 80, 82.
cerberus, i.. 278.
sackeni, i. 271.
sacken?, i. 270.
sima, 1. 81.
—— singularis, i. 269.
——— socia, i, 87, 272.
socia, i. 80, 81, 270.
sordida, 1. 80.
stupida, i. 81.
trabalis, i. 85.
Axoptata, i. 269.
divisa, i. 269, 276.
ExonisTA, ii. 60, 482.
KEvorista, ài, 6, 41, 42, 51, 65, 75,
104, 197.
BIOL. CENTR.-AMER., Dipt., Vol. IIL, 4ugust 1903.
nigricauda, ii. 70.
nigricauda, ii, 62, 13.
obscurata, ii. 62.
——— obscurata, ii. 60.
—— ochracea, ii. 68.
—— ochracea, ii. 60.
—— ordinaria, ii. 64,
—— ordinaria, 3. 61.
——— postica, 1i. 75.
rubricornis, ii. 66.
——— rubricornis, ii. 01.
—— rufata, ii. 75.
—— rufipalpis, ii. 75.
saginata, ii, 75.
p
106
Exorista sororcula, ii. 68.
sororcula, ii. 61.
—— tenuipalpis, ii. 73.
tenuipalpis, ii. 61, 62.
——. tricolor, ii. 67.
——— tricolor, ii. 61, 68;
—— irivittata, ii, 70.
trivittata, ii. 61, 73.
——— uniocolor, ii. 68.
—— wnicolor, ii. 60.
Fabricia, ii. 210.
infumata, ii. 210.
Frivaldskyia, ii. 208.
Frontina, ii. 210.
chrysopygata, ii. 210.
——- rufostylata, ii, 210.
Gzediophana atra, ii. 487.
Geranomyia mexicana, i, 18.
GzRON, i. 156, 292.
Geron, i. 7T.
rufipes, i. 157, 292.
——- trochilides, i. 292.
Glaphyroptera, 1. 219.
Glaurotricha, iii. 43.
volucelloides, 111. 43.
GNAMPTOPSILOPUS, 1. 364.
Gnamptopsilopus, 1. 351.
castus, 1. 965.
ciliipennis, i. 966.
cilüpennis, 1. 964.
costalis, 1. 364.
—— dimidiatus, i. 365.
—— dimüdiatus, i, 364,
dorsalis, 1. 364.
filipes, i, 864.
Jlavicornis, 1. 365.
Jlavidus, 1. 364.
—— infumatus, i. 365.
infumatus, 1. 964.
——— mexicanus, i. 365.
inexicanus, 1. 365.
——— pallens, i. 964.
——— psittacinus, i. 304.
rotundiceps, 1. 365.
scintillans, i. 364.
——— tener, i. 965.
——— unifasciatus, i, 365.
variegatus, i. 865.
GNoPHOMYIA, i. 2206.
Gnophomyíia, i. 19.
ferruginea, 1. 226.
£ristissima, 1. 290.
Gon1A, ii, 39, 479,
INDEX.
Gonia, ii. 6, 41, 480.
angusta, ii. 99.
—— chilensis, ii. 89.
cinerascens, ii, 480.
—— divisa, ii. 40.
—— hebes, ii. 45.
—— lineata, à. 99.
——— mexicana, ii. 40, 479.
——— mexicana, ii. A78,
pallens, ii. 99,
Grallomyia caloptera, 3i. 319, 974.
GRAPHOMYIA, ii. 300.
Graphomyia, i1. 292, 801, 302.
maculata, ii. 300.
mexicana, ii. 800,
GYMNOCHAA, il. 40, 479.
Gymnocheta, ii. 6, 41, 42.
alcedo, ii. 480,
——— rein wardti, ii. 40, 479.
reinwardti, ii. 480,
subviridis, ii. 480.
GYMNOMMA, ii. 98, 477.
Gymnomma, ii. 6, A1.
———- discors, ii. 477.
——— nitidiventris, ii. 38.
nitidiventris, i, 477, 478.
——— novum, ii. 487.
Gymnosoma, i, 4, 445,
—— jfiliola, i1. 446.
GYMNOSOMIN, ii. 4, 445,
Gymnostylia, i, 264.
-Hadrus, i. 262.
—— lepidotus, i. 57, 202.
parvus, i. 262.
-H«ematopota crassipes, i. 262,
HELOMYZA, ii, 351.
——— distigma, ii. 859,
——— distigma, ii. 951, 353.
—— gübba, ii. 358.
——— jniens, ii. 352.
— iniens, ii. 351.
——— polystigma, ii, 353.
polystigma, ii. 351.
——— punetulata, ii. 352,
—— punctulata, ii. 351.
HELOMYZIN A, ii, 351.
IH ELOPHILUS, iii. 67.
bicolor, ii. 69.
Jlavicaudatus, iii. 69,
——— formalis, iii, 78.
latifrons, iii. 68.
——— mexicanus, iii. 68,
mezicanus, iii. 69.
——— nigroscutatus, iii. 69.
oculiferus, iii. 69.
Helophilus polygrammwus, ii. 68,
69,
HEMERODROMIINJE, i, 970.
HEMICHLORA, ii. 303.
Hemichlora, i. 292, 304.
——— vittigera, ii. 904.
—— vittigera, ii, 291.
Hemipenthes, i. 80, 96, 129, 132.
seminigra, i. 192.
Hemixantha, ii. 987.
HkRCOSTOMUS, i. 936.
—— flavipes, i. 336.
Herina metallica, ii. 881.
—— mexicana, ii, 980, 981.
Heringia, iii. 6.
HxnMzETIA, i. 27, 240.
Hermetia, 1. 30, 32, 38.
—— seneipennis, i. 241,
—— albitarsis, 1, 240,
—— agiicalis, 1. 241.
——— aurata, i, 28, 240.
aurata, i. 27.
—— bimaculata, 1. 240, 241.
ceria, i. 242,
cerioides, i. 97.
chrysopila, 1. 28, 240,
coarctata, i. 32.
coarctata, i. 27, 28.
comstocki, i, 28.
comstocki, i. 27.
concinna, i. 241.
crabro, 1. 29.
——— erabro, i. 27.
—— Jflavipes, i. 241.
, Vàr. eeneipennis, i. 241.
flavoscutata, i. 42.
formica, i. 32.
—— formica, i. 27, 28, 33.
illucens, i. 32, 240,
—— illucens, i. 27, 98, 30, 31, 33.
—— lativentris, i. 42, 941.
——— lutiventris, i, 81, 242.
mezaicana, i. 9.
—— nigrifacies, i. 42,
nigrifacies, i. 940,
——— planifrons, i. 42.
planifrons, 1. 940, 241,
pterocausta, i. 33.
pterocausta, i. 27, 98,
——— relicta, i. 30.
relicta, 1, 27, 98, 941.
rufiventris, i. 3].
sexmaculata, 1. 240, 941.
Heteracanthia mexicana, i, 377.
Heteralonia, i. 78.
HxrEROMY1A, i. 225.
——— clavata, i, 295,
HII
HrEROPOGON, i. 300.
——— lautus, i. 307.
——— rejectus, i. 307.
Heterostylum, i. 151.
HEXACHAETA, ii. 409.
-Hezacheta, ii. 401, 404, 409.
amabilis, ii. 403.
amabilis, ii. 402.
——— eximia, ii. 402.
——— pulchella, ii. 403.
pulchella, ii. 402.
rupta, ii. 404.
rupta, ii. 402.
——— socialis, ii. 408.
socialis, ii. 409.
splendida, ii. 404.
splendida, 1i. 402,
Hippobosca avicularia, i, 431.
HzripPPonBoscip, ii. 429.
HrinMoNEUna, i. 74.
brevirostris, 1. 74.
obscura, i. 74.
psilotes, i, 74.
Hirtea collaris, 1, 222.
Histiodroma flaveola, i. 41.
HorcocEPHALA, 1. 171, 308.
-Holcocephala, 1. 181.
affinis, i. 171.
——— deltoidea, i. 171.
interlineata, i. 171.
longipennis, i. 171.
—— minuta, i. 171.
———- nitida, i. 171, 308.
——— nitida, i. 309.
HoroPosow, i. 306.
——- dejectus, i. 306.
—— pulcher, i, 806.
——- violaceus, i. 306.
HoxaArowyiA, ii. 331.
-Homalomyia, ii. 313.
canicularis, ii, 331.
eanicularis, ii. 932.
lepida, ii. 947.
mexicana, ii, 332.
prostrata, ii. 347.
-Homodezia, ii. 203, 264.
flavipes, ii. 263.
—— flavipes, ii. 264.
longicornis, ii, 268.
—— longicornis, ii, 264.
—— mrufina, ii. 264,
spinosa, ii. 263.
—— spinosa, ii. 264.
—— triangulifera, ii. 2693.
——— triangulifera, ii. 264.
—— vittigera, ii, 254, 256.
-Homogenes, ii. 438.
INDEX.
HowoGzNra, ii. 497.
Homogenia, ii. 433, 428.
latipennis, ii. 438.
—— latiüpennis, ii. 439.
——— nigroscutellata, ii. 439.
— — nigroscutellata, ii. 438.
rufipes, ii. 438.
-Hoplistes hortulanus, i. 239.
Hyadesimyia, ii. 311.
grisea, ii. 311.
grisea, ii, 812.
Hyalanthraz, i. 112, 119, 134, 1365,
137, 139.
Hyarouv1a, ii. 440.
Hyalomyia, ii. 443.
cneiventris, ii. 449.
——— argenticeps, ii. 442,
——— argenticeps, ii. 440, 442,
——— ecitonis, ii. 488,
——— hebes, ii. 441.
hebes, ii. 440.
——— mcerens, ii. 443,
— — marens, à. 440.
—— munda, ii. 441.
— — munda, ii. 440, 442,
nigrens, ii, 443.
nigrens, ii. 440.
——— ochriceps, ii. 442,
ochriceps, ii. 440.
——- piceipes, ii. 445.
piceipes, i1. 440.
—— punctigera, 31. 443, 445,
——— purpurascens, ii, 444.
——— umbrifera, ii. 444,
umbrifera, X. 440.
— — umbrosa, ii. 444.
—— wmbrosa, i1. 440,
——- villosa, ii. 441.
———- villosa, ii. 440.
——— violascens, ii. 488.
Hx5058, 1. 972.
dimidiatus, i. 216.
dimidiatus, i. 912.
—— duplex, i. 878, 374.
—— mellipes, i. 573.
mellipes, i. 972.
—— purpureus, 1. 973, 974.
spinicosta, 1, 374.
spinicosta, i. 972.
——— subjectus, i. 919, 874.
triplex, i. 973.
——- iriplex, 1. 972, 874.
—— , var. bakeri, i. 872, 874.
—— ———, var. duplez, 1. 912.
———, var. loewi, i, 972.
———, var. purpureus, i. 972.
———, var, &mitAi, 1, 972, 874.
107
Hybos triplev, var. subjectus, i. 372.
, var. labascensis, 1. 912,
374,
—— — —, var. triplez, i. 972.
— — ———, vat. yucatanus, i. 312,
974.
——— typicus, i. 373,
—— — typicus, 1. 972, 974.
HysorINz, i. 372.
HypnoPnHonia, ii. 332.
Hydrophoria, ii. 819, 837, 839.
(?) calopus, ii. 347.
——- collaris, ii. 333.'
collaris, ii, 832, 534, 339.
——— flavipalpis, ii. 334.
Jlavipalpis, i1. 932.
——— (?) pictipes, ii. 347.
——— plumosa, ii. 332.
transversalis, ii. 334.
£ransversalis, ii. 332.
Hydrophorus punctipennis, i. 214.
HypnoTzA, ii. 322.
-Hydrotea, ii. 919, 323.
——— dentipes, ii. 323.
HYyETODZESIA, ii. 314.
Hyetodesia, ii. 313.
abacta, ii. 316.
——— abacta, ii. 914.
——- abdicta, ii. 340.
——— circulatrix, ii. 346.
insons, ii. 346.
——- longiseta, ii, 315.
longiseta, ii. 314.
—— muleata, ii. 315.
——— qmulcata, ii. 814.
parsura, ii. 346.
——— procedens, ii. 315.
—— procedens, ii, 314.
rescita, 1i, 346.
rubella, ii. 314,
HyrEWYi1A, ii. 337.
Hylemyia, ii. 913.
abrepta, ii, 347.
levipes, ii. 347.
monticola, ii. 338.
monticola, i1. 397.
probata, 1i. 947.
——— rhodina, ii. 347.
——— tenuirostris, ii. 337,
tenuirostris, ii. 938.
urbiea, ii. 338.
urbica, ii. 397.
HPERALONIA, i. 89, 273.
Hyperalonia, i. 75, 78, 79, 80, 81, 90.
albiventris, i. 89. ,
—— albiventris, i. 90.
——- dido, i. 91,
p?
108
-Hyperalonia dido, i. 89, 92.
kaupi, i. 94, 273.
—— kaupi, i. 89.
——— latreillei, i. 98.
latreillei, 1. 89.
——— pilatei, i. 90.
—— pyilatei, 1. 89, 92.
——— proserpina, i. 92, 279.
—— proserpina, i. 89, 93.
HyvrPosTENA, ii. 140.
JHuypostena, X. 7, 43, 186, 484.
albocingulata, ii. 148.
—— albocingulata, ii. 141.
——— blandita, ii. 142,
blandita, ii. 140, 264,
concinna, ii. 142,
concinna, ii. 140.
——— cylindriventris, ii. 145.
cylindriventris, ii. 141.
——— deplanata, ii. 147.
deplanata, 3. 141.
elegans, ii, 143,
elegans, ii. 140.
—— — flavocalyptrata, ii. 147.
Jlavocalyptrata, i1. 141.
immunda, ii. 148.
immunda, ii. 141.
—— leucophza, ii. 141.
leucophea, i. 140, 142.
——— melaleuca, ii. 145.
—— melaleuca, ii. 141.
— — minima, ii, 148.
minima, ii. 141.
nubilosa, ii. 149.
mubilosa, 1. 141.
— — obumbrata, ii. 143.
obumbrata, i1, 140, 198, 489,
——— pilosa, ii. 144.
——— pilosa, i1. 141, 148,
— — procera, ii. 140.
——— quadristriata, 11. 146,
——— quadristriata, i1. 14].
strigosa, i1, 146.
— — atrigosa, ii. 141.
subtilis, ii. 149.
—— subtilis, ii. 141.
——— turbinata, ii. 146.
——— turbinata, ii. 141.
——— umbripennis, ii. 144.
——— wnbripennis, ii. 141.
HysTRICHODEXIA, ii. 218.
Hystrichodexia, ii, 211, 219, 990, 922,
225.
armata, 3. 918,
aurea, ii, 487.
——— contristans, ii. 29],
coniristans, ii. 219,
INDEX.
Hystrichodexia coracina, ii. 221.
-———— coracina, ii, 219.
——— echinata, ii, 220.
echinata, ii, 919.
formidabilis, ii. 290.
Jormidabilis, i1. 219.
——— mellea, ii. 487.
——— pseudohystricia, ii. 219.
HysrTRI1C1A, ii. 11, 460.
Hystricia, ii. 5,7, 14, 18,99, 94, 97.
?, ii. 18.
abrupta, ii. 17, 461.
—— abrupta, i, 11, 18, 462.
——— albiceps, ii. 12.
albiceps, i1, 11, 25, 460.
albosignata, 1i. 461.
——— anibigua, ii. 13, 461.
—— amnbigua, ii. 11.
—— — amoena, ii. 16, 461.
amena, ii, 11.
—— — cyaneiventris, ii. 13.
cyaneiventris, ii. 11, 14.
——— dorsalis, ii. 17, 461.
— — dorsalis, i1. 12, 18, 469.
J'ulvida, ii. 461.
——- infuscata, ii. 12, 460.
— — infuscata, ii. 11.
——— micans, ii. 16, 461.
——— micans, Yi. ll.
plagiata, ii, 22.
pollinosa, ii, 14, 461.
qollinosa, ii. 11.
——— pyrrhaspis, ii. 18, 461.
—— pyrrhasjyis, i1. 12, 462.
——— rufíipes, i. 97.
——— soror, ii. 15, 461.
soror, ii, 1l.
testacea, i. 17.
— — kiestaceiventris, i1. 460.
velutina, ii. 15.
velutina, ii. 11.
HysrRISIPHONA, ii. 213,
Hystrisiphona, ii. 211, 914, 219.
——— bicolor, ii. 487.
nigra, ii. 218.
——— nigra, ii. 216, 219.
—— pseudohystricia, ii. 219.
Hystrisyphona, ii. 213.
nigra, i. 218.
Icaria, ii. 414.
distincta, X, 414.
Ieteriea liehtensteinii, ii, 498,
Idiotypa, ii. 987.
Ischyrosyrphus, iii. 14.
IsOPENTHES, i. 96,
Isopenthes, i. 75, 80, 129, 276, 277.
blanchardiana, i. 96.
—— blanchardiana, i. 80, 97, 276.
—— jaennickeana, i. 97.
Jaennickeana, i, 80, 129, 183.
sackeniana, i1. 216.
JunrNIA, 1i. 27, 4606.
Jurinia, ii, 5, 7, 22, 210.
——— adusta, ii. 28, 467.
——— adusta, ii. 27, 466, 468, 469.
——— analis, ii, 29.
—— apicalis, ii. 29.
——— apicalis, ii. A07.
——— assimilis, ii, 469,
assimilis, 3. 460.
—— badiiventris, ii. 28.
—— badüventris, ii, 27, 460.
—— barbata, ii. 29, 210.
ceruleo-nigra, ii. 14.
——— congruens, ii. 469.
congruens, i. 466.
contraria, ii. 29.
debitrix, i1. 29.
dichroma, ii. 27, 467.
dichroma, i1. 28, 460, 460.
flavifrons, ii. 29,
——— gonioides, ii. 99,
gonoides, ii. 210.
innovata, ii. 29,
——— lateralis, ii. 29,
neptieula, ii. 468,
——— nepticula, i. 466,
——— nitidula, ii. 467.
——— nitidula, i. 466, 408.
—— — punctata, ii. 468,
——— punctata, ii. 406.
spinigera, ii. 467,
——— spinigera, Y. 466.
LABIDIGASTER, ii. 13].
Labidigaster, ii. 43, 180,
forcipata, ii. 131, 132.
———- furcata, ii. 131.
Lamprempis, i. 386.
LAMPR1A, i. 186, 318.
Lampria, i. 188,
aurifex, i. 187, 318.
cinerea, i, 188, 319,
——— circumdata, i. 188,
—— clavipes, i, 186.
clavipes, i. 187.
dives, i. 187.
melanoptera, i. 187.
—— — mexicana, i. 188,
spinipes, i. 187.
Larmnna, i, 185, 317.
Laphria, i, 186.
cincta, i, 188.
clavipes, i. 186.
coarctata, i. 310.
— — ccerulea, i. 317.
componens, i. 186.
——— fascipennis, i. 186.
formidolosa, i. 188, 819.
homopoda, i. 186.
ichneumon, i. 185.
——— marginalis, i. 318.
nunitor, i. 185.
——— olbus, i. 186.
preepotens, i, 186.
——— triligata, i. 186,
LAPHRINA, i. 182,
Lastra, 1. 166.
Lasia, i. 167.
auricoma, i. 167.
kletti, i. 167.
Scribs, i. 166.
scribe, i. 107.
LASIONA, ii. 127.
Lasiona, i. 7, 43, 186.
multisetosa, ii. 128.
Lasrors, ii. 337.
Lasiops, 11. 313,
mexicana, ii, 337.
mexicana, ii. 831, 947,
LASTAURUS, i. 179.
anthracinus, i. 179.
anthracinus, i. 180.
mutabilis, 1. 180.
Latreillia bifasciata, i1. 30.
Leja punctata, i. 2,
Leopoldius, iii. 79.
LzxPrpANTHAaAX, i. 107, 276.
Lepidanthraz, i, 76, 108, 112, 113,
128, 134, 140.
——— angulus, i. 111.
——— angulus, i. 108.
disjuncta, i. 108, 276,
——— disjuncta, i. 109, 110.
proboscidea, i. 109, 276.
qroboscidea, 1. 110, 140.
Lepidomyia cincta, iii. 78.
LrPrpoPHona, i. 160, 294.
Lepidophora, 1. 76.
——- egeriüiformis, i. 160.
appendiculata, 1. 160.
—— culiciformis, i. 160.
—— lepidocera, i, 160.
secutor, i. 160.
vetusta, i. 160, 294.
LzPrposELAGA, i. 57, 262.
——— albitarsis, 1. 262.
—— lepidota, i. 262,
INDEX.
Lepidoselaga lepidota, i. 57.
recta, i. 57.
recta, 1. 202,
Lepiselaga, i. 5T.
lepidota, i. 262,
LxPTID4, i. 60, 904, 378.
Leptis basilaris, 1. 965,
——— bitszniata, i. 09,
——— (?) cinerea, i, 62,
politeeniata, i. 62,
Leptochilus, 1. 142, 143, 144.
modestus, i. 142.
LEPTODA, ii. 250.
Leptoda, ii. 213.
gracilis, ii. 250.
— — semirufa, ii. 950.
LEzPrToGasTER, i. 167, 298.
?, 1. 167.
audouini, 1. 209.
—— badia, i. 301.
——— brevicornis, i. 800.
——— concinnata, 1, 300.
concinnata, i. 298.
——— crocea, i, 300,
erocea, i, 298,
dorsalis, i. 301.
dorsalis, i. 299.
——— favillacea, i, 300,
fervens, i. 167.
——— intima, 1, 300.
— — intima, 1. 299,
——— macropyzgialis, 1. 301.
— — macropygialis, 1. 299.
micropygialis, i. 301.
micropygialis, i. 299.
pictipes, 1. 167, 301.
—— rubida, i. 299.
rubida, i. 298.
testacea, 1. 299.
triungulata, i. 299.
—— triungulata, i. 298.
—— iruquii, i. 167.
vartpes, 1. 301.
LrrProu1Das, i. 68, 267.
Leptomidas, i. 69, 70.
pantherinus, 1. 70.
sponsor, i, 68.
sponsor, i. 70.
tenuipes, 1. 267.
Leptomydas, i. 68.
Leptoxys, ii. 405.
LEUCOMELINA, ii. 5206,
Leucomelina, ii. 312, 313, 327.
corvina, ii. 328.
corvina, i1, 327, 929.
——— deleta, 1i. 329.
braehyrhynchus, i. 69, 267.
109
Leucomelina deleta, ii. 927.
——— garrula, ii. 390.
——— garrula, i. 927.
—— — minuscula, ii. 330.
—— aninuscula, ii. 327.
——— pica, ii. 328.
pica, ii, 826, 827, 329, 330.
——— steva, ii. 329,
——— sca, ii. 927.
—— — sirigata, ii. 347.
Lzvucosrowa, ii. 206,
Leucostoma, ii. 44.
analis, 1i. 206.
gravipes, ii. 207.
Lüinnobia morionella, i. T.
stupens, i. 19.
LIMNOPHILA, i. 8.
Limnophila, i. 19.
luteipennis, i. 8.
ocellaris, i. 9.
tenuipes, i. 8,
-—— undulata, i. 19.
LrwNoPnHona, ii, 324.
Limnophora, ii, 319, 8927.
anthrax, ii. 347.
delecta, ii, 395.
——— delecta, ii. 394, 390.
elegans, ii. 927, 329.
——— fumipennis, ii. 324.
limbata, ii. 347.
— — meraca, ii. 825.
meraca, ii. 324,
normata, ii, 347.
——— rufipes, ii. 347.
——— socia, ii. 826.
——— socia, ii, 824.
——— umbrosa, ii. 326.
umbrosa, ii. 324.
Linnenmyia, estivalis, ii. 34.
analis, ii. 34.
borealis, ii. 34.
——— distincta, ii. 84, 35.
heraclei, ii. 84.
Lipoptena depressa, var. mexicana,
ii. 432.
LisPg, ii. 842.
Lispe, ii. 313.
serotina, ii. 342.
uliginosa, ii. 342.
Lissa, ii. 362,
Litorhynchus, i. TT, 79, 80, 94, 95.
Lobogaster, i, 20, 21.
Loewiella, 1. 314.
Lomatia, i. 99, 106, 107, 141, 142,
144.
pictipennis, i. 141.
LLophonotus humilis, i. 210.
110
LornHoTELzs, i. 250.
—— pallidipennis, i. 250.
—— plumata, i, 250.
Lonporvs, i. 154, 288.
Lordotus, i. 77, 152, 158.
gibbus, i. 154, 288.
—— pulcherrimus, i. 288,
zona, i. 288.
Loxocera, ii. 860.
Lucii, ii. 297.
Lucilia, ii. 288, 991, 994, 309,
argentifera, ii. 298.
—— brunnicornis, ii. 310.
——— ecsesar, ii. 207.
cesar, ii. 298.
——— callipes, ii. 310.
carolinensis, ii. 298,
——— consobrina, ii, 297.
——— cornicina, ii. 298.
—— flavigena, ii. 310.
fraterna, i. 297.
———- fulvinota, ii. 311.
—— lepida, ii. 297.
——— macellaria, ii. 297.
meridensis, ii. 310.
—— — mexicana, ii. 310.
—— — mutabilis, ii. 810.
nigriceps, ii. 310.
pallidibasis, ii. 310.
——— prescia, i. 294.
proxima, ii. 310.
——— pueblensis, ii. 310.
——— quieta, ii, 311.
——— sp., ii. 298.
——— sp., ii. 299.
——— sp., ii. 299.
——— sp., ii. 299.
——— surrepens, ii. 310.
violacea, ii. 910.
LYCASTRIRHYNCHA, iii, 60.
nitens, iii. 66.
Lydella, ii. 75.
cessatriv, ii. 75.
(8) Zndita, i1. 75.
ALyroneurus, i. 945, 847.
——— cierulescens, i. 214.
——— simplex, 1. 945.
MacqvAnTIA, ii. 198,
AMacquartia, i, 49, 51, 65, 90, 1806,
210.
acuminata, ii. 130.
acuminata, à. 199.
——— a&rifrons, ii. 210,
——— setiventris, ii. 199.
——— setiventris, ii. 190.
INDEX.
Macquartia venusta, ii. 130.
venusta, ii. 129.
——— versicolor, ii. 130.
——— versicolor, i. 129.
Macnoczna, i. 217.
——— concinna, i. 217.
inconcinna, i. 218.
Maeroceronus, i. 22, 23.
—— fulviventris, 1. 41.
MACROMETOPA, ii. 245.
Macrometopa, ii. 212.
calogaster, ii. 245.
mecvicana, ii, 245, 246,
Maerony«, i. 802.
Macrosargus smaragdiferus, i. 41.
tenutventris, i. 28.
Maára, i. 318.
MALLOPHOAA, i. 189, 319.
Mallophora, i. 320.
?, 1. 190.
——— —— ?, i. 190.
——— seaca, i. 319.
—— beelzebul, 1. 821.
breviventris, i. 32].
——— craverii, 1. 191, 520.
cravera, i. 919.
——— fautrix, i, 191, 520.
freycineti, 1. 819,
freyeineti, i, 190.
——- fulvi-analis, i. 191.
fulviventris, i. 191.
———- infernalis, i. 189.
——- ünfernalis, i. 319.
orcina, i. 191.
pica, i. 191.
——— pluto, i. 190.
pluto, 1. 191, 819.
robusta, i. 191.
scopifera, 1. 320.
——— trapezoidalis, i. 820,
trichostica, 1. 920,
MALLOTA, iii. 69.
Mallota, iii. 70.
(P) championi, iii. 69.
——— margarita, iii. 70.
margarita, ii. 69.
müllesiformuis, ii. 67.
posticata, ii. 70.
sackeni, iii. 70.
sackeni, ii. 69.
gmithi, ii, 70.
smit, i. 69.
MasrczEna, ii. 103.
Masicera, ii, 6, 29, 45, 104, 111, 114.
abbreviata, ii. 114.
——— abdominalis, ii. 106.
—— abdominalis, à. 104, 185,
Masicera bilineata, ii. 112.
—— Vbilineata, ii. 105.
—— bistrigata, ii. 109.
—— bistrigata, ii. 104.
——— calcarata, ii. 114.
calcarata, ii, 105, 118.
——- eastanifrons, ii. 114.
—— chrysocephala, ii. 114.
——- curta, ii. 112.
curta, i. 105.
—— dejecta, ii. 113.
dejecta, ii. 105.
—— disputans, ii. 114.
——- expergita, ii, 114.
——— flavescens, ii. 112.
—— Jfflavescens, ii. 105.
flavifacies, ii. 114.
——— fraudulenta, ii. 110.
fraudulenta, 1. 104.
——— gentica, ii. 114.
——— glauca, ii. 487.
impedita, ii. 107.
impedita, i. 104.
—— inquinata, ii. 107.
—— iénquinata, ii, 104, 108.
luctuosa, ii. 105.
——— luctuosa, ii. 104.
——— necopina, ii. 114.
—— normula, ii. 109.
——— normula, ii, 104.
——— picta, ii. 108.
picta, ii. 104.
pictigaster, ii. 114.
—— piliseta, ii. 110,
piliseta, ii. 104,
—— pumila, ii. 108,
pumila, ii. 104.
——— quadrivittata, 1i. 114.
sesquiplex, ii. 487.
——— sodalis, ii. 106.
sodalis, ii. 104.
——— sordida, ii. 113.
sordida, ii. 105, 114.
——— spinipes, ii. 114,
——— strigata, ii. 105.
——— strigata, ii. 104, 106.
subpilosa, ii. 110.
subpilosa, ii. 104.
tantilla, ii. 106.
——— íantilla, 3i. 104,
trichoneura, ii. 111,
—— trichoneura, ii. 105.
usta, ii. 487.
zonata, ii. 114.
Masipoda geminata, ii. 910, 211,
482.
Massyoita cerioides, i. 97.
Medeterus punctipennis, 1. 214, 339.
Megalemyia, i. 64.
seticornis, 1. 64.
Megamerina, ii. 362.
——— fulvida, ii. 362.
—— fulvida, ii, 876.
MEGAMETOPON, iii. 79,
nasicum, iii. 79.
MEGAPARiIA, ii. 240.
Megaparia, ii. 212,
venosa, ii. 240.
M'egapoda, i. 182, 183.
eyaneiventris, i. 182, 183.
Megaprosogus, ii, 203.
rufiventris, ii. 263.
Megarhinus, 1. 6.
MEGARRHINA, 1. 6, 224.
—— —— 9,1. 6.
——— grandiosa, i. 224,
—— hsemorrhoidalis, i. 224.
rutila, i. 224.
MEIGENIA, ii. 58, 481.
Meigenia, ii. 41, 42, 51, 90, 98.
albidula, ii. 59,
——- albifacies, ii. 481.
bisignata, ii. 59.
—— bombivora, ii. 90,
——— flaviventris, ii, 59, 481.
Jloralis, ii. 59.
——— gratiosa, ii. 60.
gratiosa, i. 59.
—— qmajuscula, ii. 51.
MELALEUCA, li. 247,
Melaleuca, ii. 213.
spectabilis, ii. 248.
MELANOSTOMA, iii. 9.
AM elanostoma, iii. 14.
(?) annuliferum, iii. 14.
——- (?) anthracoides, iii. 14,
bellum, iii. 90.
—— bhucephalus, iii. 11.
—— bucephalus, iii. 10.
—— catabombum, iii. 12.
eatabombum, ii. 10.
—— crenulatum, iii. 12.
——- erenulatum, ii. 10.
—-— (?) eruciatum, iii. 11.
——- cyaneocinctum, iii. 14.
——— elegans, iii. 90.
——- euceratum, iii. 11,
fenestratum, iii, 10.
——— fenestratum, ii, 9, 11.
—— hyalinatum, ii. 11.
——— melanocerum, iii, 18,
melanocerum, iii, 10.
—— mellinum, iii. 11.
mellinun, iii. 10, 12.
INDEX.
Melanostoma obscurum, iii. 11.
——- pruinosum, iii, 11,
—— pruinosum, iii. 10.
—— punctulatum, ii. 11.
——- (?) quadrinotatum, iii. 14.
rugosonasus, iii. 13.
——— rugosonasus, ii. 10.
scitulum, iii. 12, 18.
stegnum, iii. 10.
stegnum, iii. 9, 11.
tigrinum, iii. 10,
Melithreptus, ii. 20.
MxnRosARGUS, i. 254.
AMerosargus, i. 233, 235.
bulbifrons, i. 235.
——— calceolatus, i. 42.
cercaceus, 1. 235.
——— eingulatus, i. 234.
concinnatus, i. 235.
——— coriaceus, i. 377.
—— dissimilis, i. 377.
fraternus, i. 42,
frontatus, i1. 235.
——— hyalopterus, i. 377.
orizab:e, i. 977.
orizabe, i. 235.
——- spatulatus, i. 235.
stamineus, i. 234.
Mesemórina, ii, 300, 301, 302,
anomala, ii, 342.
MESEMBRINELLA, ii. 300.
Mesembrinella, i1. 292, 301, 811.
seneiventris, ii. 901.
bicolor, ii. 301.
Mesochseta commixta (connexa),
ii, 488.
MESOGRAMMA, iii. 24.
Mesogramama, iii, 95, 39.
?, iii. 25.
—— — — $, iii. 26.
—— — — P, iii. 26.
—— ?, iii. 27.
—— licinetum, iii. 28.
—— bistrigum, iii. 28.
—— ceiliatum, iii. 90.
comma, iii, 90.
diversum, iii. 90.
——— ectypum, iii. 28,
heraldicum, iii. 28.
laerymosum, iii, 28,
lineare, iii. 28.
——— maculatum, iii. 28,
—— marginatum, iii. 25.
marginatum, ii. 24.
— — mu, iii. 28.
——— mutuum, iii. 27.
—— mutuwn, ii, 24, 28.
Mesogramma pallipes, iii. 27.
——- pallipes, iii. 24,
——- politum, iii. 25.
politum, iii. 24.
—— quinquecinetum, iii, 28,
——— rombicum, iii. 90.
——— saphiridiceps, iii. 24.
—— trilobatum, iii. 28.
Meesograpta, iii. 24.
bicincta, iii. 28.
bistriga, iii. 28.
—— (?) eireumdata, ii. 25.
heraldica, iii. 28.
lacrymosa, iii. 28.
——— linearis, iii, 28.
—— maculata, iii. 28.
marginata, ii. 25.
mu, iii. 28,
——- (?) pallzpes, iii. 27.
——- polita, iii. 25,
—— quinquecincta, iii. 28,
—— quinquemaculata, iii. 28.
——— (P) saphiridiceps, ii. 94.
£rilobata, ii. 28.
AMesophla, ii. 2.
Metadoria mexicana, ii. 487.
Mxrorra, ii. 114,
Metopia, ii. 7, 43.
perpendicularis, ii, 115.
Micraptoma, ii. 71.
MICROCHAETINA, li, 240.
Microchetina, ii, 212, 241.
cinerea, ii. 241.
Microchrysa, i. 294,
nova, i. 977.
—— nova, 1. 234,
Mzicnopox, iii. 2.
—— ———£, iii. 4,
?, iii, 4.
——— aquilinus, iii. 90.
aurifex, iii. 2.
——— baliopterus, iii. 3.
baliopterus, iii. 2, 79.
coarctatus, ii. 79.
——— falcatus, iii. 9.
—— falcatus, iii. 2, 4.
gracilis, iii. 3.
gracilis, ii. 2.
—— anirabilis, iii. 4,
——- niger, iii, 4,
—— niger, ii. 2.
—— &trochilus, iii, 2, 3.
MiQcROPALPUS, ii. 34, 474.
AMicropalpus, ii. 6, 18, 24, 38, 41.
albomaculatus, ii. 21.
—— analis, ii, 94,
quinquemaculatum, iii. 28.
112
Micropalpus angustifrons, ii. 474.
borealis, ii. 84.
comptus, ii. 94.
flavitarsis, ài. 27.
fulgens, ii. 84, 474.
heraclei, ii, 94.
—— macula, ii. 21.
—— nigrifrons, ii. 210.
— —— ornatus, i. 2T.
—— rufipes, ii. 27.
M1CROPEZA, ii. 964.
AMicropeza, ii. 369, 365, 976.
appendiculata, ii. 916.
—— bilineata, ii. 366.
—— hbilineata, ii. 864.
—— divisa, ii. 976.
——— incisa, ii. 976.
nigricornis, ii. 366.
—— nigricornis, i1. 964.
——— obscura, ii. 965.
obscura, ii. 964, 966,
occipitalis, ii. 365.
occipitalis, i1. 364.
——— pectoralis, ii. 976.
ruficeps, ii. 365.
ruficeps, ii. 964.
——— stigmatica, ii. 3606.
stigmatica, ii. 564.
Mierophthalma calogaster, 1. 245,246.
sordida, ii. 487.
Mierosoma, ii. 208.
MzicnRosTYLUy, i. 168, .
fulvigaster, 1. 168.
magnificum, i. 169.
Mierotrichomma foxrreri, ii. 489.
intermedia, ii. 489.
smithi, ii. 489.
MipArpa, 1. 68, 267.
Mrpas (Mxpas), i. 70, 267.
Midas, i. 209, 267.
—— (Mydas) annularis, i. 79, 268.
——— basalis, i. 73.
——— biteeniatus, i. 73.
biteeniatus, i. 11.
carbonifer, i. 11.
——— chrysites, i. 72.
clavatus, i. 72, 19.
——- cleptes, i. 72,
— — (Mydas) crassipes, i. 268,
crassipes, 1, 71.
(Mydas) decor, i. 71, 268.
dives, i. 70.
——— dives, i. 11.
——— incisus, i. 73.
——— interruptus, i. 73.
lavatus, i. 73.
—— — (Mydas) militaris, i, 73, 268,
INDEX.
Midas.(Mydas) quadrilineatus, i. 268.
(——) rubidapex, i. 70, 267.
rubidapex, i. 71, 209.
—— (Mydas) rufiventris, i. 268.
——- senilis, i, 73.
—— gubinterruptus, i. 73.
——— tibialis, i. 73.
—— üricinctus, 1. 79.
——— (Mydas) ventralis, 1. 268.
—— ovirgatus, i. 11.
(Mydas) vittatus, i. 73, 268.
vanthopterus, i. 79.
Mikimyia furcifera, i. 919.
Mirzsia, iii. 74.
acuta, iii. 06.
——— eruciger, ii. 67.
ornata, iii. 74.
—— pulchra, iii. 74.
scutellaris, ii. 69.
MrrTOGRAMMA, ii. 885, 4893.
Müiltogramma, ii. 6, 42.
erythrura, ii. 89.
—— erythrura, i1. 88, 90,
—— fulvicornis, ii. 89.
J'ulvicornis, ii. 88.
——— nana, ii. 483.
sarcophagina, ii. 90.
sarcophagina, 3. 88.
——— trilineata, ii. 89.
trilineata, i. 88.
MiscHOGASTER, li. 585.
Mischogaster, i1. 977.
niger, i. 885.
——— nitidipennis, ii. 385,
Mixocasrzm, iii. l.
AMixogaster, ii. 2, 78.
bellula, iii. 1.
——— conopsoides, ii. 1.
—— dimidiata, iii. 90.
mexicana, iii. l.
Mixtemyia, ii. 79.
ephippium, iii. 74.
Mochlosoma, ii. 215.
anale, 11. 487.
——— sericeum, ii. 487.
validum, 1i. 215, 216.
Mochtherus, i. 209.
fuliginosus, 1. 210.
——- truquüi, i. 210, 828.
Molynoceelia lutea, ii. 428.
MonELrL, ii. 301.
Morellia, ii. 292, 309,
eallimera, ii. 302.
—— fulvipes, ii. 511.
——— nigriceps, ii, 311.
sarcophagina, ii. 502,
Morimna mallophoroides, i, 180,
MoniN1A, ii. 260.
Morinia, ii, 218, 262, 264.
—— fumata, ii. 261.
—— fumata, ii, 260.
longitarsis, ii. 261.
—— longitarsis, ii. 260.
—— trichopoda, ii. 261.
—— trichopoda, ii. 260.
Multo, i. 152.
leucoprocta, i. 141, 142.
——— obscurus, i. 153.
MrscA, ii. 299.
Musca, ài. 291.
americana, ii. 1.
analis, ii. 294.
—— annulata, ii. 913.
atrifrons, 3i, 510.
bifasciata, ii. 30.
ecsar, ii. 297.
ccsarion, à. 298.
canicularis, ii. 931.
consanguinea, i. 294.
cornicina, ii. 298.
dentipes, i1. 323.
——— domestica, ii. 293.
erythrocephala, ii. 294,
flavinervis, ii. 310.
—— gibba, ii. 308.
longipes, i1, 247.
macellaria, ii. 297,
—— meditabunda, i. 302, 303.
mellina, ii. 11.
pennipes, 1i. 8.
prostrata, à. 347.
qroxima, ài. 310.
LLLI
——— sensifera, ii. 310,
vicina, à. 294.
violacea, ii. 311.
Mvscip, ii. 2, 453,
ACALYPTERJ, ll. 345, 448,
— — CALXPTER, ii. 9, 456.
MvsciNa, ii. 804,
JMuscina, ii. 292, 302, 303.
—— linea, ii. 304,
linea, 1. 905.
— — mexicana, ii. 311.
pallidicornis, ii. 311.
—— parilis, ii. 311,
—— &ripunetata, ii. 305.
——— vecta, ii. 311.
MUSCIN, ii. 291.
Muscopteryx chetosula, ii. 487,
MyoczroPnirna, i. 220.
—— — £i. 990.
—— — — £, i. 230.
— —— $, i. 991,
Mycetophila dolosa, i. 920.
MycxEroPuiripa, i. 1, 217, 377.
Mna, ii. 316,
Mydea, ii. 313, 319.
——— abdita, ii. 346.
——— concinna, ii. 817.
concinna, ii. 316.
——— confinis, ii. 319.
——— confinis, ii, 316.
etesia, ii. 346.
fasciventris, ii. 318.
fasciventris, ii. 316.
leucocephala, ii. 318.
—— leucocephala, ii. 316, 319.
——— meracula, ii. 346.
obscura, ii. 317.
——— obscura, ii. 316.
— — pansa, ii. 516.
Mydas, i. 70, 267.
AMyennis, ii. 393.
——— scutellaris, ii. 400.
MYIOLEPTA, iii. 40.
—— auricaudata, iii. 40,
strigilata, ii. 40.
Myiomima, ii. 264.
sarcophaeina, ii. 263,
Myiopharus metopia, ii. 210,
Myioscotiptera cincta, ii. 487.
MvriosPrLa, ii. 308.
AMyriospila, i. 292, 302, 304.
meditabunda, ii. 303.
MxoBrA, ii. 132.
Myobia, ii. 7, 49, 139, 140, 147, 186.
angulata, ii. 136.
——— angulata, ii. 133.
——— argenticeps, ii. 135.
——— argenticeps, ii. 133.
——— diadema, ii. 137.
—— diadema, ii. 135, 138.
flavicornis, ii. 133.
—— Jflavicornis, ii, 132.
——— flavipennis, ii. 138.
Jlavipennis, i. 199.
grata, ii. 134.
—— grata, ài. 132, 135.
——— lepida, ii. 135.
——— lepida, ii, 132, 198.
—— longipalpis, ii. 138.
longipalpis, ii. 133.
opima, ii. 136.
—— opima, ii. 133.
——— securra, ii. 134.
—— scurra, ii. 132.
——— succincta, ii. 133.
——— succincta, ii. 132, 171.
Myoczna, ii. 236.
Myocera, ii. 212, 237.
INDEX.
Myocera rava, ii. 937.
simplex, ii. 237.
AM yolepta, iii. 40,
Myophora, ii. 966.
AM yospila, i1. 808.
meditabunda, ii. 308.
Myoruvnia, ii. 208.
Myothyria, ii. 44.
degeerioides, ii, 209.
— — degeerioides, ii. 208.
——— majorina, ii. 209.
—— — majorina, i. 208.
——— trichosoma, ii. 208.
MYysTACELLA, ii. 51.
AMystacella, i1. 41, 42, 58, 90, 167.
adjuncta, ii. 55.
adjuncta, i. 51, 52.
——— flavifrons, ii, 57.
——— flavifrons, ii. 52.
——— fuscicostalis, ii. 57.
fuscicostalis, ii, 52, 69, 488.
——— ]ineata, ii. 54.
lineata, ii. 52, 57.
——— lugubris, ii. 53.
lugubris, ii. 52.
postera, ii. 56.
postera, ii. 52,
— — yubriventris, ii. 52.
— —— rubriventris, i1. 51, 56, 480.
setulosa, ii. 58.
— — setulosa, ii, 52.
——— solita, ii, 55.
——— solita, à. 52.
——— subeyanea, ii, 58,
——— subcyanea, ii. 52.
tessellata, 11. 56.
tessellata, 11. 52,
violacea, ii. 53.
violacea, ii. 52, 54, 57, 488.
Mystacomyia rubriventris, ii. 489.
MyxosARGTUS, i. 251.
—— braueri, i. 251.
fasciatus, 1. 42, 251.
scutellatus, i. 201.
NAUSIGASTER, iii. 6.
——— meridionalis, iii. 91.
—— punctulata, iii. 6.
NEMESTRINIDA, i. 73, 269.
NEMOCHZTA, ii. 38, 478.
ANemocheta, 1. 6, Al.
aberrans, ii. 487.
crucia, ii. 487.
——— dissimilis, ii. 39, 478.
——- dubia, ii. 487,
frontalis, ii. 478,
BIOL. CENTR.-AMER., Dipt., Vol. IIL, August 1903.
Nemochseta incerta, ii, 487.
——— infuscata, ii. 479.
——— nitida, ii. 479.
——— nitida, ii. 478.
pernox, ii. 487.
NEMORAA, ii. 47.
infuscata, i, 478.
jurinioides, ii. 487.
113
JNemorca, ii. 6, 29, A1, 42, 46, 48,
5l.
senea, ii. 51.
——— albopieta, ii. 51.
bifasciata, ii. 30.
— — ealoptera, ii. 51.
clasides, à. A7.
——— dubia, ii. 51.
—— erythropyga, ii. 51.
—— erythropyga, i. AT.
—— — flavolimbata, ii. 51.
——— forreri, ii. 49.
——— intermedia, ii. 48, 489,
brasiliensis, à. AT.
forreri, ii, 48, 50, 489.
——— fulvidapex, ii. 51.
——— intermedia, ii. 50.
intrita, ii. 50.
——— masurius, i. A7.
—— nigripalpis, ii. 51.
——— obscurella, ii. 48.
obscurella, ii. 53.
smithi, i1. 50.
——— frivoides, ii. A7.
variegata, ii. 48.
NEMOTELUS, i. 251.
NEoMOCHTHERUS, i. 200.
tigrinus, i. 100.
unicolor, i. 251.
Neoexaireta rufipalpis, i. 41.
NEOGLAPHYROPTERA, i, 219.
amabilis, i. 219.
opima, i. 220.
ANeomochtherus, 1. 210.
——— castanipes, 1. 210.
pallipes, 1. 210.
——— plebeius, i. 209.
striatipes, i. 210.
NEOPTERA, ii. 165.
ANeoptera, ii, 44, 166, 4806.
rufa, ii. 166.
nigriventris, ii. 51.
nitidiventris, ii. 51.
occidentalis, ii. 51.
pictipennis, i. AT.
smithi, ii. 48, 49, 489,
polyposus, i, 43, 251,
glebeius, 1. 210, 328.
striaticeps, i. 210.
g
114
Neoptera rufa, ii. 211, 264, 486.
Neorondania obscura, i. 49.
NERIUS, ii. 964.
Nerius, i. 369.
flavifrons, ii. 964.
pilifer, ii. 364.
—— plurivittatus, ii. 970.
xanthopus, 1i, 376.
Nricocrzs, i, 180.
ANicocles, i. 181.
analis, 1. 180.
scitulus, 1, 314, 315.
Nusa, i. 318.
formidolosa, i. 819.
rubida, i. 318.
sexpunotata, i. 819.
Occemyia, iii. 86.
Ochromuyia, 11. 296.
OcNzaA, i. 168.
Ocnea, i. 164.
grossa, i. 163.
grossa, 1. 164.
——— micans, i, 163.
trichocera, 1, 164.
——— tumens, 1. 164.
vittata, 1. 164.
OcvYPTAMUS, iil. 90.
Ocyptamus, i. 14.
dimidiatus, iii. 90.
fenestratus, iii. 91.
fraternus, iii, 31.
——— funebris, iii. 30.
f'uscicolor, iii, 23.
——— fuscipennis, ii. 90,
——— infuscatus, iii. 31.
——— infuscatus, ii. 30.
trigonus, iii. 90,
trigonus, iii, 18.
OCYPTERA, ii. 5, 449.
Ocyptera, i. 451, 452.
atra, ii, 450,
——— bifasciata, ii. 90.
ciliata, ii. 434.
——— dosiades, ii. 450.
euchenor, i1. 450.
—— minor, ii, 451.
—— minor, ii, 450.
signatipennis, ii. 450,
—— simplex, ii. 5.
soror, i1. 5.
soror, ii. 450.
OCYPTERINA, ii. 5, 449.
Odonthomyia lefebruei, i. 245.
quadrimaculata, 1, 246,
—— iriteniata, 1. 245.
INDEX.
Odonthomyia truquü, i, 246.
viridis, 1. 246.
Odontomera, ii. 388.
ferruginea, ii, 388, 889.
mnaculipennis, i. 988.
Odontomerus, ii. 388.
OnpoNTOMYIA, 1. 36, 245.
——— affinis, 1. 42.
bicolor, i. 246.
——— hinotata, i. 2406.
—— (?) comma, i. 247.
concinnata, 1. 247.
dissimilis, 1. 42.
dissimilis, 1. 247.
emarginata, i. 42,
femorata, i. 42.
—— flavifasciata, i. 42.
fratella, i, 246.
——— lefebvrei, i. 42, 245.
maculifrons, 1. 42.
megacephala, i. 246
——— mexicana, i. 377.
———- prasina, i. 42.
prasina, i. 245.
—— quadrimaeulata, i. 42, 246,
quadrimaculata, i. 247.
rubricornis, 1, 42, 247.
rubricornis, 1. 246.
triteeniata, 1. 36.
—— üriteniata, i. 245.
trivittata, i, 2945.
truquii, 1. 42, 246,
——— vertebrata, i. 42.
——- viridis, i. 42, 246.
OEpasPrs, ii. 408.
Q:daspis, ii. 401.
atra, i1. 408.
Gdicarena, ii. 406, 428.
persuasa, ii, 406.
—— fetanops, i1. 406, 407, 428.
CEdopa elegans, ii. 400.
COEsTRIDGE, ii. 1, 433.
Ogcodes, 1. 164.
Ogcodocera, i. 141.
dimaidiata, i. 142.
OrnB1IOGASTER, i, 20, 229,
Olbiogaster, 1. 21.
?, i. 229.
——— cognatus, i. 21.
cognatus, i. 22, 229.
———- teniatus, i. 230.
OLFERSIA, ii. 429,
Olfersia, i1. 430.
——— angustifrons, ii. 430.
angustifrons, ii. 429.
coriacea, ii. 450.
coriacea, ii. 429,
Olfersia mexicana, ii. 430.
——— villadz, ii. 430.
—— vulturis, ii. 429.
OMEGASYRPHUS, iii. 79.
OMMATIUS, i. 210, 331.
Ommanatius, 1. 211.
P, i. 931.
fuscipennis, i. 211.
—— parvus, i. 211, 332.
—— peregrinus, i. 210, 231.
peregrinus, 1. 932.
—— pilosulus, i. 332.
pumilus, i. 211.
pumilus, i. 332.
ONCODES, i. 164.
—— humeralis, i. 164.
incultus, i. 165.
Oxcopoczna, i, 141, 289.
Oncodocera, i. 76, 100, 142, 144,
284.
——— analis, i, 288.
dimidiata, i. 141.
leucoprocta, i. 142.
leucoprocta, 1. 141, 284.
——- valida, i. 142.
valida, i. 141, 284.
ONCOXYI1A, iii. 86.
abbreviata, iii. 86,
loraria, iii. 86.
ONESIA, ii. 288.
Onesia, ii. 265.
lucilioides, 11. 288,
lucilioides, i1. 295,
OnodontAa, i. 323.
Onychogonia, i1. 480.
OPHROMYIA, lii. 55.
Ophromyia, iii. 79.
——— na&ica, iii. 55.
Oruvna, ii. 322,
OpAyra, ài. 319, 524,
?, 11, 923.
—— argentina, ii. 323.
Oplacantha limbata, i. 41.
mezicana, 1. A1.
Oplisa, ii. 486.
albifacies, i1. 263.
albif acies, ii. 264.
——— nigrifacies, ii. 263,
——— nigrifacies, i. 264, 485.
Ornidia, iii. 43.
obesa, iii. 50.
OnxuiTHOMYI1A, lii, 431.
Ornithomyia, ii. 430.
avicularia, ii. 431.
avicularia, ii. 432.
columbe, ii. 431.
—— fringillina, ii, 431.
Ornithomyia pilosula, ii. 432.
—— gilosula, ii, 431.
robusta, ii. 43].
——— villade, ii. 429, 430.
viridis, ii, 431.
Orphnephila, i, 157.
ORTALINGE, ii, 377.
Ortalis atomaria, ii. 390.
——- ligata, ii. 400,
ochraspis, 1, 400.
platystoma, ii. 400.
platystoma, ii. 397.
Orthoneura hieroglyphica, ii, 7.
nitida, ii. T.
Orthoneuromyia, 1. 908.
Orthonevra, ii. T.
varipes, iii. 29.
OsPRIOCERUS, i. 168, 503.
?, i. 168, 303.
seacus, i. 168.
diversus, i. 303.
OSTRACOC(ELIA, 1l. 292,
Ostracocalia, ii. 918.
mirabilis, ii. 992.
Ouycera, i. 398.
Oxvydexia, ii. 251.
Ozodiceronyma mexicana, i. 378.
Pachyrhina, i. 15.
PacHYRRHINA, 1. 15, 228.
Pachyrrhina, i. 18.
?, 1. 228.
affinis, 1. 19.
affinis, i. 15, 228.
consularis, i. 15, 17.
cornicina, i. 17.
crocata, i. 17.
elegans, i. 17.
ferruginea, i. 18, 228.
ferruginea, i. 15.
——— mexicana, i. 19.
— — mexicana, i, 15, 17.
—— nigrolutea, i. 16.
—— nigrolutea, i, 15, 18.
——— ordinaria, i. 16.
ordinaria, i. 19.
—— proa'ima, i. 18.
quadrilineata, i. 18, 228.
suturalis, i. 18.
usta, i. 17.
usta, i. 15.
Palpada scutellata, ii. 63.
PALTOSTOMA, i. D.
——— superbiens, i. 9.
PANERYMA, ii. 987.
INDEX.
Paneryma, ii. 378.
elongata, ii. 388.
PawxaowtaA, i. 43, 252.
analis, 1. 44.
——— airifera, i. 58.
aurulans, i. 58,
— — aurulans, i. 254,
basilaris, i. 58, 254,
bicolor, i. 58, 253.
——— caustica, 1. 44.
caustica, 1. 254.
——— flavohirta, i. 58, 254.
—— flavohirta, i. 253.
fulvithorax, i. 58.
illota, i. 254.
—— illota, i. 253.
——— incerta, i. 58.
——— incerta, i. 254, 255.
———- nigronotata, i. 58, 254.
——— nigronotata, i. 258, 255.
——— pavida, i. 253.
—— pavida, 1. 252.
—— planiventris, i. 58.
——— yprasiniventris, i. 45.
——— pyrausta, i. 493, 253.
—— pyrausta, 1. 44, 252.
—— rhinophora, i. 58.
vÀinophora, i, 44, 253,
——— rostrifera, 1. 58, 253.
——— rostrifera, i. 252.
——— sallei, i. 58.
——— saussurei, i, 58, 254.
——- saussurit, i. 253.
——- semiflava, i. 58, 2593.
semiflava, 1. 252.
tenuirostris, i. 58.
— —— wiedemanni, i. 58, 254.
——— wiedemanni, 1. 252.
PANTARBES, i. 151,
Pantarbes, 1. 77, 152.
capito, 1. 152, 158.
pusio, i, 159.
—-— pusio, i. 152.
—— willistoni, 1. 153.
willistont, i. 152.
Pantophihalmus, i. 65.
tabannus, i. 66.
Paracletus, 1. 340.
PARACLIUS, i. 340.
Paraclius, i. 336, 337, 941.
albonotatus, 1. 940.
albonotatus, 1. 931.
femoratus, i. 840.
—— femoratus, i. 3T.
—— humeralis, i. 340.
——— humeralis, i. 387.
——— venustus, i. 340.
Paraclius venustus, 1. 397.
PARACOSMUS, 1. 155.
Paracosmus, 1. 71.
morrisoni, i. 155.
Paradidyma validinervis, ii. 489.
Parag:edia hedemanni, ii. 487.
Paragorgopis maculata, ii. 400.
PAnRAGUS, iii. 5.
dimidiatus, iii. 5.
tibialis, ii. 5.
Paramesochseta fuscicostalis, ii. 488,
PARAMINTHO, ii. 265.
——— modulata, 1i. 266.
PARASYNTORMON, 1. 343.
——— wheeleri, i. 843.
PARATROPESA, i. 8.
— preeusta, i. 8.
Peckia, i1, 287.
imperialis, ii. 987,
lamanensis, 11, 288.
——— gplumipes, ii. 288.
PELASTONEURUS, i. 336.
Pelastoneurus, 1. 337, 941, 842,
argentiferus, i, 938.
argentiferus, i. 337.
bigeminatus, i. 838.
bigeminatus, i. 391.
——— cognatus, i. 339.
cognatus, 1. 997.
hamatus, i. 3958.
——— hamatus, 1, 997.
lineatus, i. 841.
lugubris, i. 337.
—— punctipennis, i. 339.
punctipennis, i. 997.
unguieulatus, i. 337.
——— vagans, i. 938.
vagans, i. 997.
variegatus, 1. 939.
Pentium, ii. 6.
Penthetria heros, i, 5.
PENTHOSIA, ii. 457.
Penthosia, ii. 455, 458.
satanica, ii. 458,
Petagnia, ii. 208.
Phalacromya, ii. 40.
PHALACROMYIA, iii. 40.
Phalacromyia, iii. 45.
bellula, iii. 42.
bellula, ii. 41.
melanorhina, iii. 43.
——— pica, iii, 41.
picta, ii. 41.
—— pulchra, iii. 41.
vaga, iii. 42,
vaga, ii. 41.
——— vicina, iil. 43.
qÀ
116
Phalacromyia virescens, iii, 42.
——— virescens, iii. 40.
——- (?) volucelloides, iii. 43.
PraNwiN, ii. 5, 450.
Phasia jugatoria, i. 9.
PnHASIN, il. 9, 433.
PHASIOPTERYX, ii. 480.
—— hilimeki, 3i. 910, 211, 264, 486.
ochraceus, ii. 486.
PuENEUS, i. 264.
tibialis, i. 264.
Philonicus teniatus, 1. 210, 328.
—— fuvpanganus, 1. 210.
PnuirorPorA, i. 297.
conica, i. 298.
dolorosa, i. 298.
lugubris, i. 297.
lugubris, 1. 298.
——— truquii, i. 163.
iruquü, i. 298.
PRHONEUTISCA, 1. 375.
——— simplicior, i. 378.
PHORBIA, ii. 530.
Phorbia, ii. 813, 340.
fuscisquama, ii. 840.
fuscisquama, ii. 339.
——— morosa, ii. 339.
——— prisea, ii. 340.
prisca, ii. 929.
Phoricheta satanica, 3. 455.
PRHOROCERA, il. 75, 483.
Phorocera, 3i, 6, 41, 42, 44, 86, 87,
116, 156.
— — ———, ii. 86.
appendiculata, ii. 85.
appendiculata, ii. 77.
—- — airiceps, ii. 79, 485.
——— aíriceps, X. 76.
—— — hbarbata, ii. 87.
——— carbonaria, ii. 78,
carbonaria, i. 76.
cinerea, ii. 8l.
cinerea, i. 16.
—— cylindrata, ii. 82.
cylindrata, ii. 16.
——— flavicauda, ii. 85.
——— flavicauda, ii. 76.
fulviceps, ii. 80.
Julviceps, à. 76.
immaculata, ii. 82,
immaculata, 3. 76.
—— ]inearis, ii. 86.
linearis, i. 7T.
—— — macra, ii, 84,
macra, i. 77.
——— melanoceps, ii. 87.
—— nelanoceps, ii, 489.
m
INDEX.
Phorocera muscaria, ii, 83.
—— qmuscaria, i. 76.
——- nigrifrons, ii. 81.
nigrifrons, i. 76.
——— nigrita, ii. 77.
——— nigrita, ii. 70, 78.
——- parva, ii, 87.
—— parvula, ii. 78.
parvula, ii. 76, 79.
rufilabris, ii. 79.
rufilabris, à. 76.
scutellaris, ii. 85.
scutellaris, ii. 7T.
setigera, i1. 84,
setigera, ii. 76, 489.
sobrina, ii. 84.
sobrina, ii. 76, 483.
——— tenebricosa, ii. 77.
tenebricosa, ii. 16, 78.
tenuiseta, ii, 483.
——— tenwiseta, ii. 84.
xanthura, ii. 80, 483.
vanthura, ii. 16, 83.
Phorostoma, i1. 222,
appendiculata, ii. 222.
PunissoPoDA, ii. 287.
Phrissopoda, i1. 265, 288.
immanis, ii. 288.
imperialis, à. 287.
lamanensis, ii. 288.
——— ylumipes, ii. 288,
praeceps, i. 287.
Purnimia, i. 155, 288.
Phthiria, 1. T7, 156,
albida, i. 290,
——— albida, i. 289.
——— alterans, i. 291.
——— allerans, i. 289.
— — cingulata, i. 290.
cingulata, i. 155, 156, 289.
——— consors, i. 155, 289.
consors, 1. 156, 288, 290.
diversa, i. 290.
——— dolorosa, i. 290.
dolorosa, 1. 288, 289, 291.
fuscipes, 1. 290.
pulchella, i. 289.
—— punctipennis, 1, 292,
scolopax, i. 292.
similis, i. 289.
——— similis, 1. 288, 290.
——— sororia, i. 29].
sororia, 1. 289.
—— thlipsomyzoides, i. 156, 291.
——— ihipsomyzoides, i. 289.
PHYLARCHUS, 1. 342.
——— iripartitus, i. 342,
PRYSOCEPHALA, iii. 8l.
——— carbonaria, iii. 82.
——— maxima, iii. 91.
——- nigrifacies, iii. 82.
——- ochreiceps, iii. 83.
ochreiceps, iii. 82, 84.
sororeula, iii. 83.
——— sororcula, iii, 82.
£exana, ii. 84.
——— xanthops, iii. 83.
canthops, ii. 82.
PrALEOIDEA, i. 165.
—— metallica, i. 165.
PrP1zA, iii. 6.
—— (Heringia) ?, iii. 6.
——- (Pipizella) bellula, iii. 6.
——— diviaa, iii. 78.
pulchella, ii. 6.
Pipizella, ii. 6, 7.
PrPUNCULIDJE, iii. 86.
PrPUNCULUS, iii. 86.
——— aculeatus, iii. 88.
aculeatus, ii. 8T.
—— cingulatus, iii. 87.
elegantulus, iii. 87.
elegantulus, iii. 86.
——— flavicornis, iii, 88.
—— Jflavicornis, iii, 87.
flavitarsis, iii. 87.
Jlavitarsis, iii. 86,
——— subopacus, iii, 88.
——— subopacus, iii. 8T.
——— xanthopodus, iii. 87.
—. PraG1A, ii. 101.
Plagia, ii. 6, 42, 111, 125.
ambigua, ii. 102.
——— americana, ii, 102,
americana, ii, 101.
dicta, ii. 487.
incognita, ii. 103.
incognita, ii, 101.
mexicana, li. 487.
rigidirostris, ii. 102.
rigidirostris, ii. 101, 103.
setifrons, ii. 101.
Plagiocera, iii. 66.
eruciger, ii. 67.
Plagiomima disparata, ii. 487.
PraAG1oTOMA, ii. 405.
Plagiotoma, ii, 401.
obliqua, ii. 405.
Planes, ii. 78.
vagans, ii. 73.
PLANETOLESTES, i. 171.
Planetolestes, i. 172, 310.
secabilis, i. 171.
——— secabilis, i. 810.
Platynochrtus niger, iii. 90.
PLATYPALPUS, i. 375,
trivialis, i. 375.
PraATYPEZIDA, iii. 89.
Platystoma latipenne, ii. 413.
—— — mexicanum, ii. 400.
——— ocellatum, ii. 395.
PraTYvUna, i. 218.
elegans, i. 218.
elegantula, i. 218.
—-—— pictipennis, i, 218,
PrzctiA, i. 2, 291.
——— bicolor, i. 3.
bicolor, i. 5, 229.
——— eollaris, i. 222,
heros, i. 5.
heteroptera, i. 9.
nigerrima, i. 5, 221.
——— plagiata, i. 2, 22].
——— quadrivittata, i. 222,
rostellata, i. 2,
rostellata, i. 3.
rostrata, i. 2, 3.
ruficollis, i. 3, 221.
—— ruficollis, i. 5.
—— similis, 1, 2,
——- viliata, i. 2,
PLESIASTINA, i. 217.
———- bifasciata, i. 217.
——— mexicana, i, 377.
zonata, i. 377.
Ploas, i. 77, 153.
Paocilanthraz, i. 113, 119.
Paocilobothrus, 1. 337, 342.
Jlavicoxa, i, 841,
ungwuiculatus, 1. 937.
PocilognatAÀus, i. 156, 988,
tAlipsomyzoides, i. 201.
PocoNowvra, ii. 334.
Pogonomyia, ii, 313, 335.
aterrima, ii. 335.
Pogonosoma arachnoides, i. 186.
Polietes, ii, 314.
PortoNoTa, ii. 409.
Polionota, ii, 401.
mucida, ii. 410.
——— radians, ii. 410,
PorvcasrER, ii. 139.
Polygaster, ii. 43, 140, 186, 484.
egregia, ii, 139.
PoLYMEDON, i. 333.
argentatus, i. 394.
argentatus, 1. 3393.
castus, i. 933.
——— fiabellifer, i. 334.
Jlabellifer, i. 838, 395.
—— nimius, i. 934.
INDEX.
Polymedon nimius, i. 333, 885.
superbus, i, 335.
superbus, i, 333, 334.
——— triangularis, i. 835.
— — triangularis, i. 333, 334.
PorvwonPnHoMviA, ii. 410.
Polymorphomyia, ii. 401.
basilica, ii. 410, 411.
pilosula, ii. 411.
Pomacera, i. 219.
Priomerus bimaculatus, iii. 68.
scutellatus, iii. 69.
PnocTACANTHUS, i. 200, 397.
Proctacanthus, i. 907.
brevipennis, i. 900,
——— craverii, i. 207, 327.
eraveri, i. 206.
——— exquiaitus, 1. 2006.
mülbertüi, i. 200.
rufiventris, i. 207.
zamon, i, 327.
PnoMacHvs, i. 192, 321,
Promachus, i. 196, 320.
?, i. 193.
?, 1. 195.
albifacies, i. 195.
albifacies, i. 192.
anceps, i, 194, 321.
anceps, i. 192, 195.
——— bastardi, 1. 192, 193.
cinctus, 1. 193, 321.
cinctus, i. 192.
—— fitchüi, i. 192.
forfex, 1. 194, 32].
forfev, i. 192.
fuscipennis, i. 192, 194, 195,
——— magnus, i. 196.
—— magnus, 1. 192.
—— nobilis, i. 196.
——— nobilis, i. 192.
piladelphicus, i. 193.
—— princeps, i. 192.
—— pulchellus, i. 197.
pulchellus, i. 192.
quadratus, 1. 197.
quadratus, i. 192, 198, 194,
321.
rufipes, i. 192.
——— sp. ?, i. 192.
sp. ?, i. 192.
—— trapezoidalis, i. 197.
—— trapezoidalis, i. 192, 193, 320.
—— truquii, i. 197, 322.
—— truquii, i. 192.
vertebratus, 1. 192, 193.
Prorhynchops bilimeki, ii. 487.
PROSENA, ii. 214.
117
Prosena, ii, 911, 215, 218, 225, 238.
curvirostris, ii. 217.
curvirostris, ii. 214.
lacertosa, ii. 215.
lacertosa, i. 214.
longitarsis, ii. 215.
— — maculifera, ii. 218, 239.
——— mel:na, ii. 217.
— — melena, ii. 214, 215.
— — mexicana, ii. 218.
mexicana, ii. 217.
obscura, ii. 218.
obscura, ii. 234.
siberita, ii, 214.
tessellans, ii. 210.
tessellans, i1. 214, 215.
——— valida, ii. 215.
valida, ii. 214, 910.
Prosopea americana, ii, 484.
Prosopea, ii. 210.
americana, i. 210.
PnosPHERYSA, ii. 116, 484,
Prospherysa, ii. 43, 111, 125, 210.
semulans, ii, 117.
—— emulans, ii. 116, 488.
——— albifacies, ii. 121.
albifacies, ii. 117.
——— americana, ii. 484,
apicalis, ii. 122.
apicalis, à. 117.
——— bhalteata, ii. 194.
——— balteata, ài, 117.
——— comosa, ii. 119.
comosa, ii. 116.
contigua, ii. 120.
——— contigua, ii. 116, 210, 484.
——— crebra, ii, 120.
crebra, ii. 117, 121.
—— ingloria, ii. 119.
——— ingloria, ii. 116.
—-—— macilenta, ii. 122.
—— qmacilenta, i. 117.
—— — minuta, ii. 123,
minuta, i. 117, 124.
ochricauda, ii. 118.
ochricauda, ii. 116.
parvipalpis, ii. 124.
parvipalpis, ii. 117.
——— plagioides, ii. 125.
—— plagioides, ii. 117.
——— rectinervis, ii, 123.
rectinervis, i. 117.
rufifrons, ii. 121.
rufifrons, i. 117.
serotina, ii. 124.
serotina, i. 117.
—— t1rifasciata, ii, 118.
118
Prospherysa trifasciata, ii. 116.
vilis, ii. 121.
vilis, 1. 117.
Pseudatrichia longurio, i. 163.
Pseudogonia, ii. 480.
PsEUDOMOHRINIA, ii. 259.
Pseudomorinia, ii. 218.
pictipennis, ii. 260,
PsEvDoRus, i. 183, 815.
bicolor, i. 183, 315.
piceus, i. 188, 315.
PsrLA, ii. 361,
——— exigua, ii. 361.
PsrurN, ii. 9060.
Ps1ILOCEPHALA, 1. 297.
Psilocephala, 1. 162.
festina, 1. 297.
nigra, i. 163.
notata, i. 297.
platancala, i. 162.
stigmaticalis, 1. 162.
sumichrasti, i. 163.
univittata, i. 165, 297.
PsrrocurnRus, i. 308.
caudatus, i. 908,
modestus, 1. 908.
nudiusculus, 1. 308.
Psilopodinus astequinus, 1. 351.
PsrLoPus, i. 214, 550.
Psilopus, i. 851, 965.
argentatus, 1. 961.
argentatus, i. 353.
atricauda, 1. 557.
atricauda, i, 952.
atrolamellatus, i. 850.
atrolamellatus, 1. 852.
——— barbatus, i. 559.
barbatus, 1. 952.
——- basilaris, 1. 362.
basilaris, 1. 950, 552.
—— bellulus, i. 355.
bellulus, 1. 351.
bifimbriatus, i. 553.
bifimbriatus, 1. 951.
calcaratus, 1. 852.
caudatulus, i. 360.
——— caudatus, i. 960.
caudatus, 1, 852, 950, 304.
chrysoprasius, i. 359.
ciliatus, i. 3593.
ciliipes, i. 955.
cilüpes, i. 351, 558.
——— clavipes, i. 963.
clavipes, i. 853.
comatus, 1, 961].
comatus, 1. 952, 362.
——— coxalis, 1. 957.
INDEX.
Psilopus coxalis, i. 952.
erinitus, i. 952.
——— depressus, i. 959.
——— depressus, 1. 852.
———- diffusus, 1. 355.
—— diffusus, 1. 951.
——— dimidiatus, i. 214.
dimidiatus, 1. 951, 365.
——- flavicoxa, i. 362.
flavicoxa, i. 958.
—— Jflavipes, 1. 853,
forcipatus, i. 362.
forceipatus, i. 959.
——— genualis, i. 358.
genualis, i. 352,
gracilis, i. 952.
—— guíttula, i. 851.
——— hereticus, i. 214.
hirtipes, i. 961.
hirtipes, 1. 958.
imperator, i. 859.
incisuralis, i. 214.
inermis, i. 552.
inornatus, i. 356.
——— inornatus, i. 552.
—— insularis, i. 553.
——— interceptus, i. 563,
interceptus, 1. 953.
jucundus, i. 852.
lepidus, i. 214.
——— melampus, i. 214, 354.
melampus, i. 351.
——- nobilissimus, i. 360.
mobilissimus, 1. 352.
patibulatus, 1. 351, 354.
pennifer, i, 363,
pennifer, i. 953.
——— peractus, i. 214.
permodieus, i. 214.
pilicornis, 1, 951.
——— pilosus, i. 850, 352.
preestans, 1. 954.
——— prestans, i. 901.
——- purpuratus, i, 358,
—— purpuratus, i. 352.
——— purpureus, 1. 862,
purpureus, i. 953.
scaber, 1. 352.
scobinator, i, 322.
similis, i. 359.
similis, i. 352.
sipho, i. 353.
solidus, i. 214.
——— tonsus, i. 364.
tonsus, 1. 302.
EERNN
——— triseriatus, i. 356.
——— iriseriatus, 1, 952.
Psilopus viridicoxa, i. $59.
Psychoda punctatella, i. 377.
PsvcHODIDJ, 1. 6, 977.
PrzcriCUS, i. 24, 256.
Ptecticus, 1. 239.
concinnus, i. 258.
——— cyanifrons, i. 297.
—— figlinus, i. 24, 256.
—— Afiglinus, i. 25, 238.
flaviceps, i. 42.
leoninus, i. 25.
—— maculatus, i. 258.
—— nitidipennis, i. 237.
remeans, i. 25.
——— repensans, i, 25.
sackeni, i. 297.
testaceus, i. 42, 256.
testaceus, 1, 25, 297.
—€Ó—
trivittatus, 1. 2977.
PTEROCALLA, ii. 993.
Pterocalla, ii. 378.
bella, ii. 400.
costalis, 1i, 396,
eostalis, ii. 994.
fenestrata, ii. 304.
fenestrata, ii. 895,
——— obscura, ii. 400.
ocellata, ii. 595.
ocellata, i. 893, 3006.
quadrata, ii. 504.
quadrata, à. 393, 390.
— — tarsata, ii. 905.
tarsata, ii. 304.
PrEnRoPTILA, iii. 66.
crucigera, iii, 66,
crucigera, ii. 67.
loewi, iii. 67.
zonata, iii. 67.
Ptilodegeeria obumbrata, ii. 189,
PurrPAnA, ii. 429.
Puygophora, ii. 841,
Pygostolus, i. 180.
PynELLI1A, ii. 209,
Pyrellia, ii. 291, 302.
?, i1. 300.
——— iris, ii. 299.
——— maculipennata, ii. 311.
——— obscuripes, ii. 311.
—— oehrifacies, ii. 311.
——— seapulata, ii. 300,
——— scordalus, ii. 311.
specialis, ii. 311.
——— suspicax, ii. 299.
——— violacea, ii. 311.
Pvnaora, ii. 378,
Pyrgota, ii. 917.
, Var. eyantfrons, i. 297.
Pyrgota lugens, ii. 378.
undata, ii, 378, 319.
Pyropa furcata, ii, 851.
Pyrrhosia ochracea, ii. 211, 486.
Pyrrosia ochracea, ii. 263,
ochracea, ii, 264.
RacHICERUS, i, 62,
Japhiocera, i. 25.
RuacnHicEnvs, i. 62,
Jhachicerus, i, 65.
—— bellus, i. 62.
—— nigripalpus, i. 63.
RzuacorzriS, ii. 408.
Jhagoletis, 31. 401, 409.
striatella, 11. 408.
——— striatella, 1. 409.
Rhamphidia | chaliybeiventris, 1.
226.
Rhamphinina, ii. 225.
antÀracina, i. 218, 225, 234.
—— dubia, ii. 225, 236,
—— formidabilis, i1. 220, 225.
major, ii. 229, 230.
RuHAMPHOMYIA, 1. 271.
cyanogaster, 1. 971.
——- furcifer, i, 371.
tolteca, i. 371.
HuaAPHIOCERA, i. 25.
Ahaphiocera, i. 239, 240.
armata, i. 239.
——- caloptera, i. 26.
—— hortulanus, i. 239.
——— pampinus, i. 25.
—— pampinus, 1. 239.
RuaPuionnyNCHUS, i. 606.
Ahaphiorhynchus, 1. 683, 65, 67.
erassipalpis, i. 66, 67.
——— planiventris, i. 66.
planiventris, i. 65, 67.
RurxGt1A, iii. 40.
JRhingtia, iii. 66.
nigra, iii. 40.
RurNoPHona, ii. 205.
JRhinophora, ii. 44.
—— atramentaria, i. 205.
—— |evigata, ii. 205.
— — melania, ii. 205.
RurNoTOnA, ii. 980.
Rhinotora, ii, 977.
——— diversa, ii. 400.
—— diversa, ii. 980.
—— pluricellata, ii. 380.
——— sp., ii. 880.
RurPrD1A, i. 226.
——— subpectinata, i. 226.
55
INDEX.
RuowxBoTHYniA, ii. 259.
Jhombothyria, i. 213.
flavicosta, ii. 259,
lHOPALOMERA, ii. 379.
JAopalomera, ii. 377, 380.
pleuropunctata, ii, 400.
——— sp., ii. 379.
xanthops, ii. 488,
RHoPALOSYRPHTUS, iii, 78.
Ahynchiodevia, i. 225.
Lincticornis, i1. 228.
RHYyNCHOCEPHALUS, i. 73, 269.
9, 1, 73.
——— volaticus, i. 269.
volaticus, 1. 13.
HuvNcnopExia, ii. 225.
Jhynchoderia, ii. 212, 218, 236,
264.
——— angulata, ii. 233.
—— angulata, ii. 226, 236.
——— anthracina, ii. 234.
——— anthracina, ii. 226.
——- conjuncta, ii. 228.
conjuncta, ii. 226, 229.
discolor, ii. 227.
discolor, i1. 226.
——— fraterna, ii. 229.
ht ob5
——— fraterna, ii. 226, 245,
imitatrix, ii. 236.
—— ümnitatriz, i. 227.
macroptera, ii. 292,
macroptera, i. 2206.
——- omissa, ii. 235.
———- omissa, ii, 227, 236.
—— planifrons, ii. 234.
planifrons, ii. 226.
prousta, ii. 295.
—— preusta, i. 227.
—— punctipennis, ii. 233.
—— punctipennis, ii. 226.
rubricornis, ii, 250.
rubricornis, ii. 226,
——— rufianalis, ii. 291.
rufianalis, ài. 220.
rutilans, ii. 227.
— —— rutilans, i1. 226.
scutellata, ii. 280.
— —— scutellata, ii. 226.
——— simulans, ii. 229.
simulans, ii. 226.
——— striata, ii. 294.
, —— striata, ii. 226, 285.
strigilata, ii. 232.
strigilata, ii. 220.
——— tinetieornis, ii, 228.
Ltincticornis, ii. 225, 226.
—— varipes, ii. 231.
Rhynchodeaia varipes, ii, 226.
Ruvpuripa, i. 20, 229,
Aihyphus, i. 20, 21.
icniatus, i. 21.
RicHARDIA, ii, 885.
Jiichardia, i1. 878, 387, 388.
concinna, ii. 387.
concinna, ii. 385,
—— elegans, ii. 386,
elegans, ii. 385.
podagrica, ii. 385,
podagrica, ii. 386,
saltatoria, i. 385.
viridiventris, ii, 386,
virtdiventris, ii. 385.
RavELLIA, ii. 381.
Jüvellia, i, 577, 400.
conjuncta, ii. 383.
conjuncta, i. 382.
——— connecta, ii. 983.
connecta, i1. 382.
flexuosa, ii. 585.
Jlexwuosa, i, 982.
longicornis, ii. 384,
longicornis, i. 981, 382.
micans, ii. 382,
micans, ii, 881, 983.
——— occulta, ii. 332.
occulta, ii. 381.
——— pilosula, ii. 834,
qilosula, i. 381, 382.
——— submetallica, 1i. 382.
submetallica, i1. 981.
KRogenhofera, ii, 312.
-Romaleosyrphus, ii. 72.
villosus, iii. 72.
Rutilia, 1. 223.
SALPINGOGASTER, iii. 28,
anchorata, ii. 29.
cothurnata, iii. 29.
cothurnata, ii. 28.
limbipennis, iii. 29.
limbipennis, ii. 26.
nigra, iii. 29.
——— nigra, iii. 28.
nova, iii. 90.
—— pygophora, iii. 29.
pygophora, iii. 28.
Sapromyza innuba, ii. 488.
plagosa, ii. 488.
sonax, ii. 488,
——— stata, ii, 488.
urina, ii. 488.
vinnula, ii. 488.
SARCIONUS, i. 941,
119
120
Sarcionus, i. 336.
flavicoxa, i. 341.
flavicoxa, 1. 887.
—— lineatus, i. 341.
lineatus, 1. 931.
SancoPHAGA, ii. 266.
Sarcophaga, i. 90, 250, 265, 287,
289.
acanthoptera, ii, 271.
acanthoptera, ii. 267.
—— sgequata, ii. 286.
——— equata, ii. 269, 287.
——— afficta, ii. 2806.
afficta, 11. 269.
——— claripalpis, ii. 280.
claripalpis, à. 268.
conclausa, ii. 287.
——— conjungens, ii. 272.
conjungens, ii. 207.
——— debilis, ii. 279.
debilis, i1. 268.
——- deleta, ii. 282,
——— deleta, ii. 268.
——— despensa, ii. 287.
diversinervis, ii. 274.
diversinervis, à. 268.
——— effrenata, 11, 287.
— — errabunda, ii. 278.
——— errabunda, ii. 268, 279.
fortipes, i1, 288.
fuscianalis, ii. 275.
Juscianalis, i. 268, 274.
immanis, ii, 288.
innota, ii. 287.
intermutans, ii. 288.
micropyga, ii. 279.
micropyga, i1. 268.
oberrans, ii. 283.
oberrans, à. 268.
obsoleta, ii. 290.
ochripyga, ii. 285.
ochripyga, ii. 969, 287.
——— perneta, ii. 287.
pexata, ii. 284.
pexata, 11. 269, 285.
plinthopyga, ii. 287.
plumigera, ii. 273.
—— plumigera, i1, 268.
——- preceps, i1. 287.
——— pra&volans, ii. 275.
——— pre volans, ii. 268, 287.
——— pusiola, ii. 278.
——— pusiola, ii, 268,
rufipalpis, à. 280.
— — rufitibia, ii. 270.
——— rufitibia, 3. 267, 911.
setulosa, ii, 276.
BERNENN
INDEX.
Sarcophaga setulosa, ii. 268.
spinigena, ii. 287.
——— stellata, ii. 272.
stellata, ii. 207, 9739.
sueta, 1i. 28].
sueta, ii. 208.
——— sgurrubea, ii. 273.
——— surrubea, ii. 207.
tenuiventris, i1. 282,
Lenwiventris, 3. 208.
tridens, ii. 281.
——— tridens, ii. 268.
trigonomaculata, ii. 287.
——— tripartita, ii. 284.
—— íripartita, i. 209.
triplasia, ii. 283.
—— iriplasia, ii. 269.
trivialis, i1. 277.
—— trivialis, 11. 208, 287.
trivittata, ii. 287.
turbata, ii. 276.
—— turbata, i. 268, 27T.
—— — uncata, ii. 277.
— — uncata, ii, 268, 278, 279.
vagabunda, ii. 270.
——— vagabunda, ii. 207.
— — ventricosa, ii. 274.
ventricosa, 1. 268.
villipes, ii. 269.
villipes, ii. 267.
volucris, ii. 285.
volucris, i. 269.
xanthopyga, ii. 271.
vanthopyga, i. 267.
SARCOPHAGINAE, li. 265.
SARCOPHAGULA, li. 280.
Sarcophagula, ii. 265, 279.
——— canuta, ii. 289.
imbecilla, ii. 289.
——— tenuis, ii. 290,
tenuis, ii. 289.
SARGUS, i. 23, 231.
Sargus, i. 24, 932, 253, 242.
5, i. 23, 231.
alchidas, 1. 25.
aureus, i. 41.
c:esius, 1. 41, 252.
clavatus, i. 41,
clavatus, i. 23.
coarctatus, i. 9
eoarctatus, i. €
——— concinnus, i. 2:
contractus, i. 23.
——— cuprarius, 1. 24.
——— cyanifrons, i. 237,
—— filiformis, i, 232.
inf'uscatus, 1. 24,
LII
25].
222.
2
Sargus latus, i. 41.
——- linearis, i. 41.
lucens, i. 23, 231.
— nigrifemoratus, i. 41.
notatus, i. 231, 232.
pallipes, ii. 23.
——— sallei, i. 41.
sp., i. 377.
——— speciosus, i. 41.
speciosus, i, 231.
——— splendens, i. 41.
——— stamineus, i. 41.
stamineus, 1. 234.
——— subinterruptus, i. 41.
tenuiventris, 1. 231.
testaceus, i. 286, 237.
——— versicolor, i. 41.
SAnoroGon, i. 179, 912.
Saropogon, i. 178.
affinis, 1. 178.
—— bicolor, i. 179.
bigoti, 1. 178.
brunneus, 1. 178.
eraverii, i. 178.
——— euantlensis, i. 175.
dubius, i. 178.
goniostigma, i. 178.
—— jalapensis, i. 177.
nigripennis, 1. 179.
— — nigripes, 1. 178.
—— pulcherrima, i. 312.
— — rubescens, i. 176.
——— sallei, i. 174.
——— secabilis, i. 171.
——— senex, i. 179.
——— tricolor, i. 179.
virescens, i. 179.
SAUNDERSIA, ii, 18, 462,
Saundersia, ii. 5, 7, 22, 23, 94, 27.
albomaculata, ii. 21, 464.
albomaculata, ii. 19, 463.
——— aurea, ii, 457.
bicolor, ii. 26.
——— bipartita, ii, 25, 465.
—— bipartita, ii. 19, 26, 98, 463,
466.
——— cana, ii. 25.
cana, ii. 19, 463,
consanguinea, ii. 465,
consangwuinea, à. 463.
——— femorata, ii, 464,
—— femorata, ii. 463,
——— flavitarsis, ii. 27.
——— lieta, ii. 465.
——— leta, ii. 463,
——— ]aticornis, ii. 90.
—— laticornis, 3, 19, 463.
Saundersia macula, ii. ?1.
macula, ii. 19, 22, 463.
——— maculata, à. 22.
montivaga, ii. 463,
montivaga, i. 464.
—— — nigriventris, ii. 24.
——— nigropilosa, ii. 23, 464.
—— nigropilosa, ii. 19, 463, 477.
——— ochripes, ii. 19.
ochripes, ii. 463,
ornata, ii. 27.
——— picea, ii. 487.
rufipes, ii. 27.
—— rufitibia, ii. 24, 464.
—— rufitibia, ii. 19, 463.
——— rufopilosa, ii. 22, 464.
—— rufopilosa, ii. 19, 23, 463.
——— testacea, ii. 24, 465.
testacea, ii. 19, 25, 463.
——— Xruncaticornis, ii. 26.
——— truncaticornis, ii, 19, 463, 4606.
—— — unicolor, ii. 23, 464.
Sceva, iii. 14.
disnidiata, ii. 80.
marginata, iii. 25,
obliqua, iii. 19.
—— pgolita, ii. 25.
staminea, i. 234,
Scatina, ii. 348.
SCATOPHAGA, ii. 550.
Scatophaga, à. 948, 951.
ccenosa, ii. 351.
reses, ii. 351.
reses, ii. 849, 350.
squalida, ii. 351.
vittata, 11. 850.
Schineria, ii. 89.
—— ruficauda, ii. 36.
SCHGNOMYZA, ii. 346.
Schanomysza, i. 913.
pulicaria, ii. 246,
ScrAnA, i. 1, 221.
———- americana, i, 1, 221.
—— umericana, i. 2.
——— aíra, i, 1, 2.
cognata, i. 1l.
gigantea, i. 2.
precipua, i. 1.
——- rotundipennis, i. 2.
striata, i. 377.
unicolor, i. 2.
Scinaz, i. 296.
Scropnounia, i. 976.
—— mexicana, i. 376.
ScroMvza, ii. 354.
——- infuscata, ii. 355.
unicolor, ii. 19, 24, 463, 465.
INDEX.
Seiomyza infuscata, ii. 354.
nana, ii. 355.
nana, i. 356.
serena, ii. 356.
serenrt, 3. 355.
squalens, 1i, 3506.
——— squalens, ii. 364, 355.
strigata, 1i. 555.
SCIOMYZINJE, ii, 354.
SCIOPHILA, i. 219.
—— ——— 2, i. 219.
—— popoeatepetli, 1. 2.
SCLEROPOGON, i. 303.
Scleropogon, i. 168, 169.
lugubris, i. 304.
truquii, i. 303.
£ruquát, i. 304.
Scopolia, 31. 458.
satanica, i1. 455, 458.
ScoTIPTERA, ii. 293.
Scotiptera, i1. 211, 224, 225.
——— cyanea, ii, 487.
——— melaleuea, ii. 224.
varipennis, ii. 224,
Seilopogon, 1. 173.
Senobasis auricinctus, i, 172.
Senopterina, 3i. 380.
SEPEDON, ii. 359.
Sepedon, ii. 854.
nigriventris, i1. 359.
nubilipennis, ii. 360.
—— nubilipennis, i. 359,
——— yprzenilosus, ii. 560.
relictus, ii. 359.
Sepsis gerinii, i1, 389.
Serdcocera pictipennis, i1. 249.
Sigmatomera flavipennis, i. 19.
SIMULIIDAE, i. 5, 223.
SIMULIUM, i. 5, 223.
argus, i. 223.
cinereum, i. 5.
——— mexicanum, i. 5.
——- ochraceum, i. 5.
SiPHONA, li. 125.
Siphona, ii. 7, 49, 126.
?, 1i. 126.
——— diluta, ii. 126.
futilis, ii. 195.
Siphoniomyta, i. 925, 475, 476.
melas, i, 225, A75.
Somomyia argentifera, à. 298.
aztequina, à. 207.
—— callipes, ii. 310.
flavigena, ii. 310.
—— fulbinota, i1, 911.
mutabilis, i. 510.
gallidibasis, 3i. 9310.
BIOL. CENTR.-AMER., Dipt., Vol. IIL,, 4ugust 1905.
Somomaie pueblensis, ii. 310.
Sophia, à. 223.
——— füllipes, i1, 224.
punctata, ii. 223, 224.
Spallanzania, ii. 480.
SPARNOPOLIUS, i. 154, 237.
Sparnopoltus, i. 1T.
brevicornis, i. 154.
diversus, i. 287.
—— fulvus, i. 287.
Spazigaster bacchoides, ii. 33.
SPILERINA, li. 205.
Spherina, ii. 44.
nitidula, ii. 206.
SPHZEROPHORIA, iii. 20.
Spherophoria, ii. 23, 24.
?, iii, 23
—
?, nii, 22.
—— — — f, iii. 22.
?, iii, 25.
—— eoylindrica, ii. 21.
——— fulvicauda, iii. 23.
——— müicrura, iii. 21.
——— naasuta, iii. 23.
——— pachypyzgna, iii. 23.
——— picticauda, iii. 21.
rostrata, iii. 23.
syrphica, iii. 90.
trilimbata, iii. 23.
SPHENOIDOPTERA, 1. 295.
varipennis, i. 296.
Sphivcapata, ii. 88.
Sphivea, iii. 74.
SpAivimorpha, ii. 74.
SpAyzimorphka nigra, ii. 77.
vufibasis, ii. 78.
Sphyxosoma, iii. 79.
SPILOGASTER, ii. 319.
SSpilogaster, i. 307, 318, 316.
abdita, ii. 346.
copiosa, ii. 321.
——— copiosa, i. 320.
——— discreta, ii. 322.
—— discreta, i. 320.
etesia, ii. 346.
meracula, ii. 346.
pansa, ii. 916.
—— parvula, ii. 921.
parvula, ii. 320.
——— refusa, ii. 346,
—— rubripalpis, ii. 320.
scva, ii. 329,
——— scabra, ii. 346.
——— sera, ii. 346.
signatipennis, ii. 322.
——— signatipennis, ii. 320.
trigonata, ii. 320.
y
122
Spilogaster trigonata, ii, 319.
SPILOGRAPHA, ii. 406.
Spilographa, ii. 401, 428.
concolor, ii. 408.
concolor, ii. 406.
electa, ii. 406.
——— jlavonotata, i. 406.
latifrons, ii. 407.
latifrons, ii. 406.
——— obfuscata, ii. 406.
obfuscata, ii. 407.
——— gersuasa, ii. A06.
——- rufata, ii. 407.
——— rufata, ii. 406.
——— striata, 1i. 406.
— — tetanops, ii, 428,
tetanops, ii. 406, 407.
SPILOMYIA, iii. 73.
74.
—— pallipes, iii. 74.
——— pleuralis, iii. 74.
Spilosia, ii. 58.
Spogostylum, i. 275.
Steneretma, ii, 387.
STENODEXIA, ii. 246.
SStenodexia, ii. 212.
albicincta, ii. 246.
STENOMACRA, ii. 989,
Stenomacra, ii. 378, 387.
guerini, ii. 389.
STENOPOGON, i. 168,
Stenopogon, i. 303, 304.
fuscolimbatus, i. 169,
iruquai, i. 169, 804.
STENOPTERINA, li. 950.
iStenopterina, ii. 871.
alligata, ii. 381.
—— alligata, ii. 880.
——— mexicana, ii. 380.
mexicana, i. 981.
IStevenia, i1. 455.
——— pallidiventris, ii. 456.
STIBASOMA, i, 56.
——— fulvohirtum, 1. 57.
STICHOPOGON, i. 170.
?, i. 170.
— — candidus, i. 171.
catulus, i. 170.
trifasciatus, i. 170.
STICTOMYIA, li, 380.
Stictomyla, 3. 917.
longicornis, ii. 380.
STOMATODEXIA, ii. 238,
(Mixtemyia) ephippium, iii.
cerulescens, ii, 380, 381.
flavocalyptrata, ii. 455,
pachycephalum, i, 378.
INDEX.
Stomatodexia, i1. 219.
cothurnata, ii. 239.
cothurnata, ii. 218.
——— similigena, ii. 239.
SrToMoxs, ii. 202.
Stomoxvys, ii. 291.
——— aculeata, ii. 292.
——— calcitrans, ii. 292.
cothurnata, ii. 239.
pungens, i. 292.
—— sugillatrix, à. 299.
——— tessellata, ài. 292.
STONYX, i. 04, 274.
Stonyx, i. 75, 80, 95, 273.
clelia, i. 95.
clelia, 1. 80, 96.
——- clotho, i. 95, 274.
clotho, i. 80.
——- lacera, i. 274.
——- lelia, i. 274.
—— — melia, i. 274.
STRATIOMYIA, i. 96, 248.
——— bimaculata, i. 42, 248.
——— constricta, i. 42.
——— euchlora, i. 42.
——— euchlora, i. 245.
——— fenestrata, 1. 42.
gerstaeckeri, i. 42.
——- goniphora, i. 42.
—— — mutabilis, i. 37, 248,
—— mutabilis, i. 248.
—— pinguis, i. 42.
——— gubalba, i. 97, 248.
——— trivittata, i. 49.
STRATIOMYIDJE, i. 22, 230, 377.
Stratiomys, i. 96.
albitarsis, 1, 243.
bimaculata, i. 248.
goniphora, i. 42.
lefebvrei, 1. 245.
—— pinguis, 1. 42.
subalba, i. 97.
trivittata, 1. 42, 245.
Stylogaster ethiopa, iii, 91.
——— minuta, iii. 91.
—— stylosa, iii. 91.
SUBULA, i. 22.
Subula, i. 23, 230.
americana, i. 22, 23.
elongata, i. 22.
elongata, i. 23.
—— fulviventris, i. 23.
marginata, i. 23.
—— pallipes, i. 230.
SYMPYCNUS, 1. 844,
Sympyenus, i. 345.
——— angustipennis, i, 344,
Sympyenus coxalis, i. 344.
——- coxalis, i. 945.
— falco, i. 845.
—— similis, i. 845.
——- varipes, i. 344,
SvNECHES, i. 374.
quadrangularis, i. 374.
Syntares, ii. 887.
Syntomocera, ii. 241.
SvNTORMON, i. 342.
——— quadratus, i. 342.
SYRITTA, iii. 73.
——— americana, ii. 79.
—— mexicana, iii. 73.
——— vagans, iii. 73.
SYRPHID4E, iii. 1, 89.
SYRPHUS, iii. 14.
Syrphus, iii. 15, 31.
?, iii. 16.
—— ———£, iii. 17.
——— americanus, iii. 15.
—— bacchides, iii. 19.
bisinuatus, iii. 17.
——— lisinuatus, ii. 16.
—— bucephalus, ii. 11.
cingulatulus, iii, 25.
—— clavatus, ii. 33.
——- colludens, iii. 78.
conjunctus, iii. 33.
decipiens, iii. 18.
decipiens, iii. 15.
delineatus, iii. 78.
—— dimidiatus, iii. 30.
diversipes, iii. 17.
——— diversus, iii. 16.
—— diversus, iii. 15.
ectypus, ii. 28.
esuriens, ii. 50.
——— eupeltatus, iii. 16.
eupeltatus, iii. 15.
exoticus, iii. 20.
——— fenestratus, iii. 10.
— — gastrostactus, ii. 17, 18.
hecticus, iii. 25.
——— lautus, iii. 90.
—— lotus, iii. 16.
lotus, iii. 15.
——— marginatus, ii. 25.
—— melliturgus, ii. 11.
——— mutuus, ii. 27.
——— obesus, iii, 50.
——— obliquus, iii, 19,
perpallidus, iii, 14.
——— politus, iii, 25.
——— quintius, iii, 95.
——— ribesii, iii. 17.
securiferus, iii. 19.
— — signatus, iii. 19.
——— stegnus, iii. 10.
£rigonus, ii. 30.
—— tympanitis, iii, 52.
vinetorum, iii. 63.
Systechus, i. 76, 159.
SYSTROPUS, i. 157, 299.
Systropus, i. 77.
angulatus, 1. 157, 293.
brasiliensis, i. 157.
cerdo, i. 158,
cerdo, i. 157.
—— (?) chilensis, i. 157.
columbianus, i. 157.
——— dolorosus, i. 293.
——— dolorosus, 1. 292.
——— f'enoides, i. 157, 160.
Jfemoratus, i. 157.
——— foenoides, i. 160.
Jumipennis, 1, 157.
——— funereus, i. 160.
imbecillus, i. 157, 293.
infuscatus, 1. 157, 298.
lugubris, i. 159.
lugubris, i. 157.
macer, 1. 157, 158.
nitidus, i. 157.
—— pulcher, i. 294.
—— pulcher, 1. 293.
——— quadripunctatus, i. 293.
rogersi, i. 158, 293.
rogersi, i. 107.
——— rufiventris, 1. 159,
rufiventris, i. 157, 294.
sallai, 1. 159,
sallei, i. 157, 159.
similis, 1. 294.
—— similis, i. 293.
TABANIDZ,, i. 43, 252, 377.
TABANTUS, i. 48, 257.
Tabanus, i. 51, 141.
—— albiscutellatus, i. 59.
——- albonotatus, i. 55, 260,
albonotatus, i. 50, 257.
alteripennis, i. 59.
——— alteripennis, i. 50.
——- apicalis, i. 48.
atratus, 1. 259.
atratus, i. 51, 52, 257.
——— aurantiacus, i. 59, 259.
aurantiacus, i. 258.
——— bifenestratus, i. 52.
(Therioplectes) —— ?, i. 49.
INDEX.
Tabanus bifenestratus, i. 968.
bigoti, i. 48.
——— ligoti, i. 258.
——— bipartitus, i. 55, 56.
caliginosus, i. 59, 259.
caliginosus, i. 258.
——— campecheanus, i. 378.
——— carneus, i. 59.
——— chionostigma, i. 54, 259.
chionostigma, i. 257.
——— cinctus, i. 59.
eircumfusus, i. 59,
— — commixtus, i, 59.
commixtus, i, 56.
compactus, i. 5T.
completus, i. 583.
——— corone, i. 51.
corone, 1. 257.
——— craverii, i. 60.
——— cribellum, i. 52.
cribellum, i. 53, 258, 260.
defilippüi, i. 56.
——- dorsifer, i. 59.
ebrius, i. 49.
ebrius, 1. 50, 59, 258, 259.
——— erebus, i, 50.
erebus, 1. 51, 257.
——— filiolus, i. 261.
——— filiolus, i. 258.
flavocinctus, 1. 59.
—— Jfulvohirtus, i. 57.
fur, 1. 261.
—— fur, 1. 258,
furunculus, i. 260.
furunculus, i, 258.
—— hseemagogus, i. 261.
—— hemagogus, i. 258.
——- lepidotus, i. 262.
——— lineola, i. 56, 260.
lineola, 1. 59, 268.
lugubris, i. 52, 257.
——- luteo-flavus, i. 59.
macquarti, i. 48.
mexicanus, i. 56.
meaicanus, 1. 257.
J
— —— nigro-punctatus, i. 48.
oculus, i. 55, 50.
gotator, i. 50.
—— propinquus, i. 59.
—— propinquus, i. 260.
pruinosus, i. 378.
—— pumiloides, i. 260.
- pumiloides, i. 208.
—— gpumilus, i, 53, 260.
—— purus, i. 59,
longiappendieulatus, i. 59.
var. limonus, i. 378.
123
Tabanus (Therioplectes) quadripunc-
tatus, i. 48, 259.
—— quadripunctatus, i. 251.
——— quinquevittatus, 1. 59.
rhombicus, i. 49.
rondanüi, i. 57.
ruber, i. 60, 260.
rubescens, i. 59.
rufiventris, 1. 201, 262.
sallei, i. 59.
Sexvittatus, i. 978.
sparus, i. 260.
stigma, 1. 59.
stigma, i. 53.
subruber, i. 60, 260.
——— subruber, i. 258.
subsimilis, i. 59.
——— subtilis, i. 59.
—— sumichrasti, i. 60.
LII
—— irilineatus, 1. 56.
truquii, i. 60.
variegatus, i. 46.
——— venenatus, i. 54.
venenatus, i. 258.
— — wiedemanni, i. 52.
yucatanus, i. 378.
Tachina abrupta, ii. 1T.
albincisa, i, 485.
analis, ii, 33, 206.
amisias, i. 18.
——— anazxias, à. 32.
anthemon, ii. 18.
bicolor, i1. 468.
——— liifasciata, i. 30.
—— — breviventris, ii. 31.
bucephala, ii. 46.
confinis, ii. 103.
—-— corpulenta, 1i. 9.
cylindracea, ii. 140.
diaphana, ii. 473.
devia, ii. 90.
——— finitüna, ii, 17.
fulgens, i1. 34.
hebes, i1. 45.
leucophrys, ii. 30.
—— pyrrhaspis, ii. 18.
reinwardta, i. 40.
robusta, ii. 32.
seminigra, i1, 472.
sericea, i1. 2506.
signifera, ii. 22.
singularis, ii. 125.
tetraptera, i. 206.
vertiginosa, ii. 103.
vivida, ii. 17. .
TACHININ4E, ii. 5, 41, 459.
'l'ACHYDROMIA, i, 375.
T 2
124
Tachydromia schwarzi, i. 375.
TACHYDROMIIN4E, 1. 975.
Tachytrechus, i. 338.
Teeniaptera, i. 863.
calosoma, ii. 976.
—— ornatipes, ii. 916.
pallidipennis, ii. 976.
TANYPEZA, li. 962.
Tanypeza, i1. 963, 976.
claripennis, ii. 362,
claripennis, ii. 963.
——— mexicana, 1i. 362.
ornatipes, ii. 563.
pallidipennis, ii. 363.
rutila, ii. 362.
TANYPEZIN, ii. 362.
TANYPREMNA, 1. 19.
opilio, i. 19.
Tapinocera, i. 212.
TARACTICUS, i. 312.
——— brevicornis, i. 314.
nigrimystaceus, i. 313.
nigripes, i. 313.
octopunctatus, 1. 912,
similis, i. 512,
similis, 1. 813.
vitripennis, i. 318.
Tauromyia, ii. 954.
pachyneura, ii, 554,
TELoTHYRI1A, ii. 167.
T'elothyria, 11. 44, 184, 186, 264.
adscripta, ii. 170.
——— adscripta, i. 168.
argentifrons, ii. 183,
argentifrons, i. 169.
assimulata, ii. 180.
assimulata, ii. 169.
——— carinata, ii. 184.
carinata, ii. 170.
comata, ii. 177.
— — comaíta, ii. 168.
——— connexa, ii. 173.
connexa, ii. 168,
——— costalis, ii. 173.
costalis, Xi. 169.
cupreiventris, ii. 182,
——— cupreiventris, ii. 169.
— — curva, ii. 177.
curva, ii. 168,
——— disgrega, ii, 171.
——— disgrega, à. 168.
——— dissepta, ii. 176.
— — dissepía, ii. 168,
fasciata, ii. 179.
Jasciata, 11. 169.
— — fimbricrura, ii. 172.
—— Jfünbricrura, i. 168, 173.
INDEX.
Telothyria forticula, ii. 174.
Jorticula, i1. 168.
— — hamata, ii. 173.
hamata, i. 168.
— — humeralis, ii. 173.
humeralis, i. 168.
-—— illucens, ii. 183.
illucens, ii. 169.
lugens, ii. 177.
——— lugens, ii. 169.
——— murina, ii. 180.
urina, i. 169.
nubecula, ii. 170.
nubecula, ii, 167.
occulta, ii. 184.
occulta, i. 169.
ochrifrons, ii. 180.
ochrzfrons, ii. 169.
ovata, 1i. 182.
ovata, ii. 169.
pacata, ii, 185.
pacata, à. 170.
——— placida, ii. 182,
placida, ii. 169, 183.
pollens, ii, 174.
pollens, ii. 168, 175.
rasilis, ii. 175.
rasilis, i1. 168.
rava, ii. 178.
rava, ii, 169,
recondita, ii. 176.
recondita, ii. 168.
refupa, ii. 185.
refuga, ii, 170.
——- relieta, ii. 171.
relicta, ii. 168, 172.
remota, ii. 181.
remota, i. 169.
rufostriata, i1. 172.
rufostriata, i. 168.
striolata, ii. 179.
——— síriolata, ii. 169.
sublineata, ii. 181.
süblineata, i. 169.
— —— ivifurca, ii. 175.
—— trifurea, ii. 168.
——— vaciva, ii. 176.
vactva, ii. 168.
——— vicina, ii. 184.
vicina, ii. 170.
Temnocera, iii. 43, 46.
megacephala, ii. 45, 406.
—— setigera, ii, 51.
——— unilecta, iii. 78.
—— viridula, iii. 78.
TxPHUnrris, ii. 419.
'ephritis, à. 402, 420.
LII
Tephritis cancellata, ii. 420.
——- cancellata, ii. 419.
fasciventris, ii. 402.
—— fibulata, ii. 421.
—— Jfbulata, ii. 419.
——- finalis, ii. 419.
—— Jfinalis, ii. 420.
intricata, ii. 422.
intricata, ii. 419.
major, ii. 403.
— — obsoleta, ii. 421.
obsoleta, ii. 419.
———- semifusca, ii. 422.
—— semifusca, ii. 419.
——— staminea, ii. 419.
——— subradiata, ii. 420,
—— subradiata, i1. 419,
TETANOCERA, li. 357.
Tetanocera, ii. 854.
acuticornis, ii. 358,
——— acuticornis, i. 857,
——— pectoralis, ii. 360.
——— pictipes, ii. 357.
pictipes, ii. 358.
——— plumifera, ii. 859.
—— plumifera, ii. 357.
spreta, ii. 358.
spreta, ii. 397, 959.
——— straminata, ii, 357.
—— wnmbrarum, ii. 958.
TxTANOPS, ii. 391.
Tetanops, ii. 978.
luridipennis, ii. 391.
—— rufifrons, ii. 391.
vittifrons, ii. 391.
Tetradiscus, i. 363.
notatus, ii. 363.
TEvcHorABis, i. 6, 225.
Teucholabis, i. 7.
annulata, i. 225.
chalybeiventris, i. 296,
chalybeientris, i. 7.
complexa, i. 7, 996.
gracilis, 1. 7.
molesta, i. 6.
molesta, i. 7, 295,
Thecophora, ii. 86.
T'helaira, ii. 254.
TugLAIRODES, ii. 254,
Thelairodes, ii. 213.
——— basalis, ii, 487.
cinereicollis, ii, 255.
cinereicollis, ii. 254.
—— pallida, ii. 255.
pallida, ii. 254.
——— vittigera, ii. 254.
——— vitligera, ii. 205.
REN
TnuzREvA, i. 162.
Thereva, i. 163, 213.
argentata, i. 163.
bolbocera, i. 162.
——— crassicornis, 1. 163.
—— lanipes, ii. 434.
nigra, i. 103.
—— pilipes, i. 497.
plagiata, i. 170.
TuEREVIDA, i. 162, 297, 378.
Therioplectes, i. 48.
cinctus, i. 59.
zonalis, 1. 59.
Thevenemyia, i. 161.
TAlipsogaster, i. 286.
ater, 1. 286.
Tlipsomyza, i. 296.
TunRvPTICUS, i. 349.
Trypticus, i. 350.
—— (?) ?, i. 350.
—— cupuliferus, i. 349.
fraterculus, i. 349.
—— pusillus, i, 349.
TunYPTOCERA, ii. 127,
Thryptocera, ii. 43.
?, ii. 127.
P, i1. 127.
Thyridanthraz, i. 118, 123.
Thysanomyia fimbriata, ii. 488.
TrPvrLA, i. 13, 227.
Tipuia, i. 19.
9, i. 14.
?, i. 14.
?, i. 14.
associans, i. 19.
bella, 1. 14.
craverii, i. 15, 227.
——— dispellens, i. 19, 229.
——— ed wardesii, i, 19.
elegans, i. 17.
——— ferruginea, i. 18.
—— lunata, i. 14.
— —— monilifera, i. 13, 227.
——- nebulosa, i. 19.
oleracea, i. 14.
—— quadrimaeulata, i. 19.
——— spilota, i. 13.
strepens, i. 14.
virgo, i. 14.
——— virgo, i. 228.
virgulata, i. 228.
TrPULIDZ, i. 6, 225.
'oWwNSENDIA, 1. 307.
minuta, i. 307.
Toxomerus, iii. 24.
'ToxoPHoRA, i. 161, 294.
Toxophora, i. 76.
INDEX.
Toxophora amphitea, i. 161, 294.
varipennis, i. 294.
ToxoTRYPANA, ii. 379.
Toxotrypana, ii. 377.
curvicauda, ii. 379.
Trichobius dugesii, ii. 432.
Tricholyga, ii. 51.
caloptera, ii. 51.
—— fulvidapez, ii. 51.
——— gracilens, ii. 487.
insita, ii. 487.
TnicHoPHORA, ii. 35, 475.
Trichophora, ii. 6, 36, 41, 226.
analis, ii. 35.
convexinervis, ii. 476.
convexinervis, ii. 475.
——— fucata, ii. 476.
—— fucata, ii, 475.
——— melas, ii. 475.
—— nigra, ii. 35.
nitidifrons, ii. 37, 477.
—— rnufina, ii. 36, 475.
rufina, ii. 35, 37, 476.
trisetosa, ii. 96, 476.
£risetosa, ii. 35, 4795.
TRICHOPHTHICUS, ii. 330.
Trichophthicus, ii. 318, 997.
crenatus, ii, 931.
erenatus, ii. 337, 947.
Tn1cHOPODA, li. 3, 433.
Trichopoda, ii. 437, 438.
alipes, ii. 435.
——— alipes, ii, 434, 496.
ciliata, X. 484.
——— histrio, var. indivisa, ii. 488.
lanipes, ii. 434.
, var. tropicalis, ii. 488.
—— — mexicana, ii. 3.
nigricauda, ii. 3.
nigripes, ii. 456.
nigripes, ii. 494.
——— nitidiventris, ii. 435.
—— mitidiventris, i. 494.
pennipes, ii. 3, 434.
—— (Pennapoda) phasiana, ii. 488.
—— pilipes, ii. 437.
—— pilipes, ii. 434.
——— pyrrhogaster, ii, 2, 494.
——— squamipes, ii. 496.
squamipes, ii. 434.
tegulata, ii. 488.
Trichopododes, 3i. 498.
Trichoprosopus, ii, 241.
Tni1cLtS, i. 310.
argentifacies, 1. 310,
Trimiera anomala, i. 18.
nitidifrons, ii. 35, 36, 475, 476.
125
Trinaria, i. 77.
Triodites, i. 141, 144.
mus, i. 144, 145, 147, 149.
TR1xA, ii. 87.
Trixa, ii. 42.
differens, ii. 88.
—— differens, ii. 87.
——— obsoleta, ii. 87.
——— obsoleta, ii. 88.
——— uncana, ii. 87.
TROMODESIA, ii. 237.
Tromodesia, 3i. 212, 238.
hremorrhoidalis, ii. 238.
vibripennis, ii. 238.
TRoPrpou1a, iii. 84,
——— bimaculata, iii. 84.
Trypeta, 1. 119 ; ii. 400.
abstersa, i1. 426.
—— amabilis, ii. 403.
calyptera, ii. 413.
cingulata, ii. 409.
——— culta, ii. 422.
eximia, i. 402.
—— finalis, ii. A19.
raterculus, i1. 404.
humilis, ii. A17.
insecta, ii. 410.
latipennis, ii. 414.
lichtensteinii, i1. A28.
——- ludens, ii, 428.
mexicana, ii. 428.
obliqua, ii. 405.
obscura, à. 400,
ocellata, à. 395.
peregrina, ii. 417.
polyclona, ii, 426.
pomonelia, à. 409.
pulía, 3. 390.
seutellaris, ii. 400.
scutellata, ii. 428.
socialis, ii, 408.
solaris, ii. 427.
sparsa, ii. 419.
suspensa, ii. 428.
———. (abellaria, i1. A00.
timida, ii. 424.
——— unicolor, i1. 404.
TRYyPETINJS, ii, 401.
Trypoderma, ii. 1.
americana, ii. 1.
Trypoxylon, i. 106.
Ty&REOMMAMA, ii. 293.
Tyreomma, ii. 291.
muscinum, ii. 293.
Ubristes, iii. 2.
chrysopyga, iii. 90.
126
UnaAuv1A, ii. 251.
Uramyia, ii. 213.
producta, ii. 251.
UnELrL1A, ii. 4206.
Urellia, i1. 402.
———- abstersa, ii. 426.
actinobola, ii. 428.
eugenia, ii. 427.
eugenia, ii. 426.
—— polyelona, ii. 426.
polyclona, ii. 427.
solaris, ii. 427.
solaris, ii. 426.
vicina, ii. 427.
vicina, 1i. 426, 428,
Viviana, ài. 139.
citrina, ii. 139.
——— (?) rufopygata, ii. 139.
VOLUCELLA, iii. 43.
Volucella, iii. 58, 55.
?, iii. 48,
—— —— ?, iii. 58.
—— — — P, iii. 53.
——— amethystina, iii. 52,
amethystina, ii. 44.
——— aperta, iii. 78,
——— avida, iii. 47.
avida, iii, 44.
brevis, iii. 90.
——— csesariata, iii, 49.
cesariata, ii. 44.
castanea, iii. 45.
castanea, ii. 45, 46.
——— chietophora, iii. 52.
chetophora, ii. 44.
——— comastes, iii. 52,
comastes, ii. 44.
——— comstocki, iii. 51.
comstocki, iii. 44.
——— cordise, iii. 90.
——— decora, iii. 46.
——— dichroica, iii. 90.
dispar, ii. 50.
esuriens, iii. 50.
esuriens, iii. 44, 46.
——
fasciata, iii. 48.
f'asciata, iii. 44.
flavissima, iii, 90.
fraudulenta, iii. 48.
fraudulenta, iii. 44,
——— fulvicornis, iii. 55.
furens, iii. 90.
mexicana, ii. 50.
INDEX.
Volucella fuscipennis, iii. 54,
——— fuscipennis, iii. 45.
——— haagi, iii, 51,
—— Ahaapgi, iii. 44.
hirsuta, iii. 90.
hispida, iii. 90.
——— hyaloptera, iii. 90.
—— hystrix, iii. 90.
——— isabellina, iii. 46.
isabellina, ii. 48.
lata, iii. 45.
lata, iii. 49, 46.
——- lugens, iii. 54.
—— lugens, iii. 45.
—— macula, iii. 51.
macula, iii. 45.
—— marginata, ii. 56.
maximalianz, ii. 50.
——— megacephala, ii, 45, 46,
——— qellea, iii. 49.
7nellea, iii. 44.
—— aetallifera, ii. 50.
mexicana, iii. 50.
——— minima, iii. 90.
anusta, ii. 59.
nautlana, iii. 90.
——— nigrifacies, iii. 55.
——— obesa, iii, 50.
——— obesa, iii. 44.
obesoides, iii. 90.
omochroma, iii. 90.
——— opalina, iii. 90.
——- opinator, iii, 5].
opinator, iii. 45.
ornata, iii. 49.
ornata, iii. 43.
——— pallens, iii. 53.
pallens, ii, 42, 45.
parva, iii. 58.
pieta, iii. 47.
picta, 1i. 44, 48,
postica, iii. 78.
—— pulchripes, ii. 4T.
—— purpurifera, iii. 54,
—— purpurifera, ii. 45.
—— pusilla, ii. A7.
——— quadrata, iii. 46,
——— quadrata, ii. 48.
rafaelana, iii. 90.
sexpunctata, li. 53.
——— tau, iii. 55,
tibialis, iii. 78.
— —- toltec, iii, 90.
—— éricincta, iii. 64.
——— trigona, iii. 90,
, var. splendens, iii. 90.
"Volucella tristis, iii. 55.
tympanitis, iii. 52.
—— tympanitis, iii. 45, 583.
—— vaga, iii. 42, 63.
varians, iii. 54.
——— variegata, iii. 55.
—— variegata, iii. 52.
vesiculosa, iii. 42.
——— violacea, iii. 50.
——— viridana, iii. 90.
—— viridula, iii. 55.
—— volucris, iii. 90.
Wulpia aperta, ii. 487.
XANTHACRONA, ii. 392.
Xanthacrona, ii. 978.
bipustulata, ii. 393.
XANTHODEXIA, ii. 2506.
Xanthodexia, ii, 218.
sericea, ii. 256.
XANTHOMELANA, ii. 451.
anthomelana, ii. 452, 455.
anceps, ii. 455.
——— anceps, ii. 452.
——— articulata, ii. 452.
——— articulata, ii. 454.
——— dorsalis, ii. 453.
dorsalis, i. 452, 455.
——— gracilenta, ii. 454.
gracilenta, ii. 452, 455.
rubicunda, ii. 453,
— — rubicunda, ii, 452.
trigonalis, ii. 454.
trigonalis, i. 452.
Xanthomelanodes, ii. 459.
arcuata, ii. 455.
Xanthomelon, ii. 459.
Xanthotricha, i. 849.
cupulifera, i. 849.
XYLOMYIA, i. 230.
Xylomyia, i. 22, 23.
pallipes, i. 230.
XYLOPHAGIDJE, i. 02,
-Xylophagus, 1. 68.
XYXLOT74A, iii. 71.
—— — angustiventris, ii. 79.
arquata, iii. 78,
bicolor, iii. 71.
—— brachygaster, iii, 72.
brachygaster, iii, 71.
elongata, iii. 79.
pauxilla, iii. 71.
Xylota rufipes, iii. 71.
——— stenogaster, iii. 72.
stenogaster, ii. 71.
——— subcostalis, iii, 78.
vagans, iii. 73.
Xyloteja, ii. 40,
ysta, ii. 4.
INDEX.
Yetodesia, ii. 914.
Zeuxia, ii. 241.
ZODION, iii. 84.
—— ——— $, iii. 84.
—— abdominale, iii. 8.
Zodion auricaudatum, iii. 85.
—-— flavipenne, ii. 85.
——— fulvifrons, iii. 84.
——— lewcostoma, iii. 85.
— — pygm:eeum, iii. 84.
——— splendens, iii. 85.
—— zebrinum, iii. 85.
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