1 72 NEW YORK STATE MUSEUM 



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

 body, thickly haired, pale brown; 14 segments, the fifth with stems 

 each with a length two and one-half times their diameters; terminal 

 segment, basal portion of stem slender, distal enlargement cylindric, 

 with an appendage nearly as long. Palpi; the first segment sub- 

 quadrate, the second twice the length of the first, stouter, the third 

 as long as the second, more slender, the fourth one-half longer than 

 the third, more slender; face yellowish. Mesonotum pale orange 

 yellow. Scutellum, postscutellum and abdomen pale lemon yellow. 

 Wings hyaline, costa pale brown, subcosta uniting with the margin 

 at the basal fourth, the third vein curving distally, joins the margin 

 slightly beyond the apex; halteres whitish transparent. Legs nearly 

 uniform pale straw; claws slender, uniformly curved. Genitalia; 

 basal clasp segment stout, at the basal third a sub triangular process; 

 terminal clasp segment straight, swollen at the base, slender; dorsal 

 plate broad, narrowly emarginate, the lobes obliquely and irregularly 

 rounded; ventral plate narrow, deeply and triangularly emarginate, 

 the lobes subtriangular, stout basally, tapering. Type Cecid. 191. 

 (See plate 10, fig. 7) 



Feltiella minuta Felt 



1907 Felt, E. P. N. Y. State Mus. Bui. no, p. 127; separate, p. 31 

 (Mycodiplosis) 



1908 N. Y. State Mus. Bui. 124, p. 400 (Mycodiplosis) 



The male was taken June 14, 1906 on a window at Nassau, N. Y. 



Male. Length .4 mm. Antennae one-half longer than the body, 

 thickly haired, light brown; 14 segments, the fifth with stems each 

 twice their diameters; terminal segment, distal enlargement broadly 

 rounded apically. Palpi; the first segment long, subquadrate, the 

 second stouter, others missing. Mesonotum reddish brown. Scu- 

 tellum fuscous yellowish. Abdomen reddish brown, the fourth and 

 fifth segments fuscous. Genitalia pale yellowish. Wings hyaline, 

 costa light brown. Halteres yellowish transparent. Legs pale 

 brown; claws long, slender. Genitalia; basal clasp segment long, at 

 the basal internal third, a rounded lobe; terminal clasp segment 

 swollen basally; dorsal plate broad, short, broadly and roundly 

 emarginate, the lobes broadly rounded; ventral plate broad, tapering, 

 irregularly truncate; at the basal angles a pair of widely separated 

 hairy lobes, possibly modified harpes; style long, slender. Type 

 Cecid. 290. 



Feltiella venatoria Felt 



191 7 Felt, E. P. X. Y. Ent. Soc. Jour., 25: 195-96 



This species was reared August 22, 19 16 by D. K. McMillan, 

 assistant state entomologist for northern Illinois, who stated that 

 the larvae were very efficient destroyers of red spider, Tetrany- 

 chus telarius, and other species on the leaves of elm and 

 hollyhock. This species is easily separated from others, having the 



