158 NEW YORK STATE MUSEUM 
median line; pleurae and coxae yellowish transparent, the latter 
with the anterior pair of legs rather thickly clothed with long, 
black setae; femora mostly dark brown or black, yellowish basally; 
tibiae a nearly uniform yellowish, tarsi fuscous yellowish, the three 
distal segments black. 
Female. Length 2 mm. Antennae extending to the second 
abdominal segment, sparsely haired, fuscous yellowish, tro seg- 
ments. Other characters about as in the opposite sex, except — 
that the tibiae have the distal half fuscous yellowish, darker apically. 
Adults bred May 7 and 8 from decaying wood infested by fungus 
and covered by moss. Taken at Nassau, N. Y. 
Type Cecid. a1454, N. Y. State Museum. 
Asphondylia sobrina n. sp. 
Male. Length 3 mm. Antennae extending to the second 
abdominal segment, sparsely haired, light yellowish, 14 segments; 
face fuscous yellowish, eyes large, black. Mesonotum dark brown, 
the submedian lines ratHer thickly clothed with yellowish hairs. 
Scutellum reddish yellow, postscutellum yellowish. Abdomen 
reddish brown, genitalia yellowish, fuscous distally. Halteres 
semitransparent basally and apically, fuscous yellowish subapically. 
Legs a variable light fuscous yellowish. 
Female. Length 3.5 mm. Face yellowish. Mesonotum a 
light fuscous orange, the submedian lines lighter. Scutellum pale 
yellow, postscutellum yellowish. Abdomen pale orange, the distal 
segments lighter. Other characters about as in the opposite sex. 
Collected and bred by Dr M. T. Thompson of Clark University, 
Worcester, Mass. from earth containing elm keys and vegetable 
debris. 
Type Cecid. 1108, N. Y. State Museum. 
Rhopalomyia arcuata n. sp. 
Male. Length 2mm. Antennae probably as long as the body, 
sparsely haired, pale straw color and with at least 15 segments; 
face dark brown. Mesonotum nearly uniform dark brown, the 
submedian lines sparsely ornamented with fuscous hairs. Scutel- 
lum yellowish brown with sparse hairs apically, postscutellum orange 
brown. Abdomen dark brown, rather thickly clothed with fuscous 
hairs. Halteres yellowish transparent basally, fuscous apically, 
coxae fuscous yellowish, rather thickly clothed with fuscous hairs, 
