REPORT OF THE STATE ENTOMOLOGIST I906 1 37 



Cecidomyia toxicodendri n. sp. 



Male. Length .75 mm. Antennae about ^ longer than the 

 body, thickly clothed with fine vSetae, light brown, 14 segments. 

 Face fuscous yellowish; mesonotum reddish brown, submedian 

 lines pale yellowish, sparsely ornamented with fine setae. Scutel- 

 lum and pleurae fuscous yellow, postscutellum yellowish. Abdo- 

 men a nearly uniform fuscous brown, rather thickly clothed with 

 fine setae. Coxae and femora pale yellowish, tibiae and tarsi pale 

 brown, tarsi slightly darker. 



Taken on poison ivy at Nassau, N.Y. June 14, 1906. 



Type Cecid. 263, N.Y. State Museum. 



Cecidomyia flavoscuta n. sp. 



Male. Length .75 mm. Antennae longer than the body, 

 rather thickly haired, dark brown, 14 segments. Face reddish 

 brown; mesonotum dark brown with distinct submedian lines of 

 pale setae. Scutellum yellowish with numerous yellowish hairs 

 apically, postscutellum yellowish. Abdomen dark brown. Legs 

 mostly yellowish transparent with reddish tints at the extremities 

 of femora, tibiae and tarsi. 



Taken at Albany, N.Y. May 21, 1906. 



Type Cecid. 76, N.Y. State Museum. 



Cecidomyia quercina n. sp. 



Male. Length .5 mm. Antennae nearly as long as the body, 

 thickly clothed with fine hairs, yellowish gray, 14 segments. Face 

 pale yellowish; mesonotum dark brown, submedian lines yellow- 

 ish, sparsely ornamented with fine setae. Scutellum pale yellow- 

 ish, postscutellum yellowish brown. Abdomen pale orange with 

 a large fuscous median spot basally. Legs pale straw color, the 

 annulations variably marked with carmine, distal tarsal segments 

 fuscous. 



Taken on swamp white oak at Albany, N.Y. June 21, 1906. 



Type Cecid. 342, N.Y. State Museum. 



Cecidomyia hicoriae n. sp. 



Male. Length .75 mm. Antennae fully twice as long as the 

 body, thickly clothed with fine hairs, light brown, 14 segments. 



