176 NEW YORK STATE MUSEUM 
the fourth one-half longer than the third, somewhat dilated. Me- 
sonotum dark brown. Scutellum, postscutellum and abdomen’ fus- 
cous yellowish, the latter dark brown distally. Wangs hyaline, 
costa dark brown, subcosta uniting with the anterior margin near 
the basal half. Legs a fuscous yellowish; claws long, rather slender, 
strongly curved, finely denticulate, pulvilli longer than the claws. 
Ovipositor short, triarticulate; the third segment broadly oval. 
Type Cecid. 885. 
Prionellus longipennis Felt 
1908 Felt, E. P. N. Y. State Mus. Bul. 124, p. 314 (Campylomyza) 
This species was taken on an office window August 2, 1906 at 
Albany, N. Y. 
Female. Length 1.5 mm. Antennae extending to the base of the 
abdomen, thickly haired, brown, 13 segments; the fifth subsessile, 
pyriform; terminal segment somewhat reduced, nearly pyri- 
form. Palpi; the first segment enlarged, subglobose, the second 
smaller, nearly oval, the third one-half shorter, broadly oval, the 
fourth a little longer, slender, elliptical. Mesonotum dark brown, 
submedian lines indistinct. Scutellum dark reddish brown, post- 
scutellum light reddish brown. Abdomen dark brown, the distal 
segments darker, and with the incisures and pleurae pale orange, 
the sclerites not sharply defined. Wings hyaline, costa light brown, 
subcosta uniting with the margin at the basal third. Halteres yel- 
lowish basally, fuscous apically, the legs a nearly uniform light 
brown, shaded with fuscous distally, tarsal segments dark brown; 
claws stout, curved, denticulate ; pulvilli wanting. Ovipositor short, 
the lobes biarticulate, basal segment irregular, subquadrate, the dis- 
tal one narrowly oval. Type Cecid. 733. 
Prionellus tsugae Felt 
1007 Melt, Ea BP: N. Yo state Mus; "Bul i110; sp; fon “separatesspans 
(Campylomyza) 
1908 —————— N. Y. State Mus. Bul. 124, p. 314 (Campylomyza) 
This species was taken June 7, 1906 on hemlock, Tsuga can- 
ander. saust wat leake Clear Nin Y. 
Female. Length 1 mm. Antennae extending to the base of the 
abdomen, thickly haired, dark brown; 13 segments; fifth subcylin- 
dric, with a length one-half greater than its diameter, terminal seg- 
ment subcylindric, tapering roundly to a slightly produced apex; 
Palpi; the first segment, pyriform, greatly enlarged distally, the 
second and third subequal, suboval, the fourth one-half longer than 
the third. Mesonotum dark brown, submedian lines with pale hairs. 
Scutellum yellowish brown. Abdomen dark brown. Wings hyaline, 
costa dark brown, subcosta uniting with the margin at the basal 
