196 NEW YORK STATE MUSEUM 



postscutellum dark brown. Abdomen fuscous brown, slightly 

 lighter distally and rather sparsely clothed with pale yellowish 

 hairs. Wings hyaline, costa pale straw; halteres pale fuscous yel- 

 lowish. Legs a nearly uniform pale yellow; claws long, slender, 

 strongly curved basally. Genitalia; basal clasp segment long, 

 slender, a rounded lobe at the basal third; terminal clasp segment 

 long, slightly swollen basally; dorsal plate short, broad, deeply 

 and narrowly incised, the lobes truncate; ventral plate broad, long, 

 narrowly and roundly emarginate, the lobes short, broad; style 

 stout, long, the distal fifth more slender. Type Cecid. 289. 



Mycodiplosis tsugae Felt 



1907 Felt, E. P. N. Y. State Mus. Bui. no, p. 130-31; separate, p. 34 



1908 N. Y. State Mus. Bui. 124, p. 402 



The fuscous yellowish male was taken June 7, 1906 on hemlock, 

 Tsuga canadensis, at Lake Clear, N. Y. 



Male. Length i mm. Antennae twice as long as the body, thickly 

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

 one-half times its diameter; terminal segment, distal enlargement 

 subcylindric and with a subcylindric terminal appendage two-thirds 

 its length, the latter constricted basally and sHghtly swollen at the 

 basal fourth. Palpi; the first segment subquadrate, the second twice 

 as long as the preceding, subfusiform, the third a little longer, much 

 more slender, the fourth a little longer than the third, stouter; 

 face yellowish. Mesonotum dark brown, lighter posteriorly, sub- 

 median lines yellowish. Scutellum yellowish apically, rather thickly 

 clothed with fine hairs. Abdomen fuscous yellowish. Wings hyaline, 

 costa brown ; halteres yellowish transparent. Legs rather dark brown, 

 the ventral surface and base of femora paler; claws rather slender, 

 slightly curved, the anterior unidentate. Genitalia; basal clasp 

 segment long, stout; terminal clasp segment long, swollen basally 

 and at the distal fourth; dorsal plate broad, deeply and narrowly 

 incised, the lobes subquadrate; ventral plate long, slender, tapering, 

 broadly rounded; style long, slender. Type Cecid. i68a. (See 

 plate 8, fig. 3) 



Mycodiplosis macgregori Felt 



191 5 Felt, E. P. Econom. Ent. Jour., 8: 149 



The midge was reared July 16, i9i4byE. A. MacGregor, Bates- 

 burg, S. C, from red spider on cotton. It is allied to M. tsugae 

 Felt. 



Mycodiplosis fungiperda Felt 

 1915 Felt, E. P. Econom. Ent. Jour., 8:407 



The pale yellowish, black-eyed midges referable to this species 

 were reared by Theodore Pergande September 24, 1896 from orange- 



