YOO NEW YORK STATE MUSEUM 
thickly haired apically, postscutellum yellowish. Abdomen pale 
yellowish orange, the distal segments fuscous yellowish, all sparsely 
margined posteriorly with fuscous hairs; ovipositor pale yellowish. 
Claws stout, strongly curved, the pulvilli longer than the claws. 
Ovipositor short, stout, terminal lobes broadly triangular, narrowly 
rounded. Cecid. 1104, argo6. 
Caryomyia antennata Felt 
1909 Felt, E. P. Econ. Ent. Jour., 2:292 
The midge produces one of the common hickory leaf galls about 
Albany, N. Y. 
Gall. Yellowish green or brown, subglobular (pl. 10, fig. 1), 
thick-walled, the shape frequently modified by the pressure of con- 
tiguous galls, 4 to 5 mm in diameter, the surface sparsely clothed 
with a minute pubescence; walls very thick, with a diameter of 1mm 
or more. 
Larva. Length 2.25 mm, white, rather stout, tne head small, 
antennae short, stout. Breastbone rather stout, unidentate, the 
tooth long, rather stout, the shaft somewhat enlarged at each extrem- 
ity. Posteriorly the body tapers to the broadly rounded extremity. 
Exuvae. Length 3 mm, whitish, stout. Antennal cases short, 
stout, with a rounded, chitinous thickening at the base. Thoracic 
horns rather long, slender, slightly curved. Wing cases extending 
to the fourth abdominal segment, the leg cases to the fifth, dorsum 
of the latter thickly margined posteriorly with six or seven trans- 
verse rows of stout, chitinous spines, posterior extremity nearly 
unarmed, broadly rounded. 
Male. Length 3mm. Antennae extending to the fourth abdom- 
inal segment, sparsely haired, fuscous yellowish; fourteen binodose 
segments, the fifth with stems two and one-half times their diameters 
respectively, the distal enlargement narrowly oval; terminal segment 
reduced, narrowly oval. Palpi probably quadriarticulate, the distal 
segment produced, with a length four times its diameter. _Mesono- 
tum fuscous yellowish, the submedian lines sparsely haired. Scu- 
tellum reddish, postscutellum, fuscous yellowish. Abdomen deep 
reddish orange, the segments sparsely margined posteriorly with 
fuscous setae; genitalia fuscous yellowish. Wings hyaline, costa 
pale straw. Halteres pale yellowish. Coxae and legs mostly fuscous 
yellowish; claws slender, evenly curved, the pulvilli nearly as long as 
the claws. Genitalia; basal clasp segment stout, terminal clasp 
segment stout, long, hardly tapering; dorsal plate long, broad, 
rather deeply and roundly emarginate, the lobes broadly rounded; 
ventral plate long, broad, broadly and roundly emarginate. 
Female. Length 4 mm. Antennae extending to the second 
abdominal segment, sparsely haired, whitish transparent; fourteen 
cylindric sessile segments, the fifth with a length three and one-half 
times its diameter; subbasal whorl rather thick, irregular; subapical 
whorl broad, irregular; circumfila at the basal third and apically, 
anastomosing somewhat irregularly ; terminal segment narrowly oval. 
