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, 10 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. ai454, 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 mrh. 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 2 mm. 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. 



