REPORT OF THE STATE ENTOMOLOGIST I917 1 73 



setose basal lobe or harpes, by the markedly shorter stems of the 

 male flagellate antennal segments. 



Feltiella acerifolia 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 yellowish transparent male was taken May 17, 1906 along 

 a hedge row composed of maple (Acer), elm (Ulmus) etc., at Albany, 

 N. Y. 



Male. Length 2.5 mm. Antennae as long as the body, thickly 

 clothed with fine hairs, light brown, probably 14 segments, the fifth 

 with stems each with a length one and one-half times its diameter. 

 Mesonotum reddish brown anteriorly, yellowish posteriorly. Scu- 

 tellum reddish brown, postscutellum yellowish. Abdomen yellowish 

 transparent, except for a conspicuous black spot on the basal abdom- 

 inal segment and a reddish tint ventrally at the posterior extremity. 

 Wings hyaline, costa light brown; halteres yellowish transparent. 

 Legs fuscous yellowish, lighter ventrally; tarsi slightly darker; claws 

 rather slender, strongly curved. Genitalia; clasp segments long, 

 slender; dorsal plate broad, deeply incised, the lobes broadly and 

 irregularly rounded; ventral plate narrow, stout, broadly rounded. 

 Harpes lobulate, strongly spined; style long, slender. Type Cecid. 

 37- 



Feltiella pini Felt 



1907 Felt, E. P. N. Y. State Mus. Bui. no, p. 128; separate, p. 31-32 

 (Mycodiplosis) 



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



The dark, reddish brown species was taken June 21, 1906 on 

 hard pine, P i n u s r i g i d a, at Albany, N. Y. 



Male. Length .75 mm. Antennae one-fourth longer than the 

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

 the fifth with stems one and one-half and two and one-half times 

 their diameters, respectively; basal antennal segment and face 

 fuscous yellow. Mesonotum fuscous brown, submedian lines pale 

 yellowish. Scutellum light fuscous yellowish, postscutellum darker. 

 Abdomen dark reddish brown with a median fuscous spot on the 

 second and third abdominal segments. Genitalia slightly reddish. 

 Wings hyaline, costa light brown; halteres pale yellowish; club 

 slightly fuscous distally. Legs a nearly uniform straw brown; claws 

 rather stout, strongly curved. Genitalia; basal clasp segment 

 slender; terminal clasp segment stout; dorsal plate small, deeply 

 incised, the lobes broadly rounded; ventral plate narrow, irregularly 

 truncate. Harpes foliate, spined; style extending nearly to the tip 

 of the terminal clasp segment, apparently bituberculate. Type 

 Cecid. 348 1 . (See plate 8, fig. 5, plate 10, fig. 6) 



