REPORT OF THE STATE ENTOMOLOGIST I918 I93 



Itonida tolhuxstae Felt 

 1908 Felt, E. P. N. Y. State Mus. Bui. 124, p. 414 (Cecidomyia) 

 This dark fuscous yellowish male was taken July 30, 1906 on 

 sumac, Rhus, at Albany, N. Y. 



Male. Length 1.25 mm. Antennae a little longer than the bodyi 

 thickly haired, light brown; fourteen segments, the fifth with stems 

 having a length one and one-half and two and one-half times their 

 diameters, the terminal segment having the distal enlargement with 

 a length four times its diameter and a stout, tapering, fingerlike 

 process apically. Palpi; first segment subquadrate, the second with 

 a length three times its diameter, the third longer, more slender, 

 the fourth as long as the third, more dilated. Mesonotum dark 

 brown, the submedian lines yellowish. Scutellum dark reddish, 

 postscutellum dark brown. Abdomen dark fuscous yellow, the seg- 

 ments broadly margined posteriorly with dark brown and with 

 short, transverse, dark lines laterally near the middle; venter mostly 

 dark brown; pleurae fuscous yellowish. Wings hyaline, costa dark 

 brown; halteres semitransparent. Coxae and femora basally pale 

 yellowish, the distal portion of femora, tibiae and tarsi mostly light 

 brown; claws stout, irregularly curved, the pul villi about one-third 

 the length of the claws. Genitalia; dorsal plate deeply and narrowly 

 incised, the lobes broad, truncate; ventral plate long, broad, irregu- 

 larly truncate; style long, slender. Type Cecid. 721. 



Itonida quercina Felt 



1907 Felt, E. P. N. Y. State Mus. Bui. no, p. 137; separate, p. 41 

 (Cecidomyia) 



1908 N. Y. State Mus. Bui. 124, p. 414 (Cecidomyia) 



This pale orange male was taken June 21, 1906 on swamp white 

 oak, Quercus bicolor,at Albany, N. Y. 



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

 thickly haired, yellowish gray; fourteen segments, the fifth with 

 stems having a length two and a quarter and three times their 

 diameters. Palpi; first segment short, semiglobose, second rather 

 long, curved, and the third a little longer, more slender; face pale 

 yellowish. Mesonotum dark brown, submedian lines yellowish, 

 sparsely ornamented with fine setae. Scutellum pale yellowish, 

 postscutellum yellowish brown. Abdomen pale orange with a large 

 fuscous median spot basally. Genitalia slightly fuscous. Wings 

 hyaline, costa light brown; halteres pale yellowish basally and dis- 

 tally, pale orange in the middle. Legs pale straw color, the annu- 

 lations variably marked with carmine, distal tarsal segments fuscous ; 

 clav^^s stout, simple. Genitalia; dorsal plate broad, deeply incised, 

 the lobes approximate, broadly rounded; ventral plate broad, 

 expanding slightly to a broadly rounded setose apex; style long, 

 stout, curved. Type Cecid. 342. 



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