I76. 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. Wings 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. Bui. 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 



1907 Felt, E. P. N. Y. State Mus. Bui. no, p. 101; separate, p. 5 

 (Campylomyza) 



1908 N. Y. State Mus. Bui. 124, p. 314 (Campylomyza) 



This species was taken June 7, 1906 on hemlock, Tsuga can- 

 adensis, at Lake Clear, N. 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 segme'nt, 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 



