196 NEW YORK STATE MUSEUM 
postscutellum dark brown. Abdomen fuscous brown, slightly 
lighter distally and rather sparsely clothed with pale yellowisk 
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. Bul. 110, p. 130-31; separate, p. 34 
1908 ——————_ N Y. State Mus. Bul. 124, p. 402 
The fuscous yellowish male was taken June 7, 1906 on hemlock, 
Ususa cana densie,, at Wake Cleary INI: 
Male. Length 1mm. 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 slightly 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 basaily 
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. 168a. (See 
plate 8, fig. 3) 
Mycodiplosis macgregori Felt 
1915 Felt, E. P. Econom. Ent. Jour., 8:149 
The midge was reared July 16, 1914 by E. A. MacGregor, Bates- 
burg, S. C., from red spider on cotton. Itisalliedto 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- 
