l80 NEW YORK STATE MUSEUM 



slender, the fourth fully twice the length of the preceding, slightly 

 enlarged at the distal third; face fuscous. Mesonotum black, 

 sparsely and irregularly clothed with short, yellowish hairs. Scutel- 

 lum reddish brown, postscutellum very dark brown. Abdomen 

 sparsely clothed with fine, yellowish hairs, dark reddish brown, 

 the incisures pale fuscous yellowish. Wings hyaline, costa light 

 brown, subcosta uniting with the margin near the middle. Halt- 

 eres pale orange basally, pale yellowish distally. Legs a nearly 

 uniform dark brown ; claws long, slender, strongly curved, denticu- 

 late, the pulvilli longer than the claws. Ovipositor short, Particu- 

 late, the third segment suborbicular. Type Cecid. sl14S7- 



Prionellus graminea Felt 



1907 Felt, E. P. N. Y. State Mus. Bui. no, p. 98; separate, p. 2 

 (Campylomyza) 



1908 N. Y. State Mus. Bui. 124, p. 315 (Campylomyza) 



This dark brown male was swept from grass etc. at Karner, 

 N. Y., April 27, 1906. 



Male. Length 1.5 mm. Antennae two-thirds the length of the 

 body, sparsely haired, dark brown; 14 segments, fifth with a stem 

 one-fourth the length of the subglobular enlargement; terminal 

 segment subglobular, acute apically. Palpi; the first segment, sub- 



Fig. 48 Palpus of Prion el 1 u s graminea, 

 enlarged. (Original) 



quadrate, slightly enlarged distally, second and third subequal, the 

 latter a trifle longer, the fourth one-half longer than the third. 

 Head and thorax black or dark brown. Abdomen dark brown, 

 pleurae and incisures yellowish brown. Wings hyaline, slightly 

 fuscous, tinted with reddish basally, costa dark brown, subcosta 

 uniting with the margin at the distal third; halteres semitrans- 

 parent. Legs yellowish transparent or reddish ; claws stout, strongly 

 curved, pectinate. Genitalia ; basal clasp segment short, stout, trun- 

 cate; terminal clasp segment short, stout, broadly rounded. Dorsal 

 and ventral plates indistinct. Harpes very broad, slightly expanded, 

 deeply emarginate and with the internal angles produced. Style 

 short, broad, tapering, narrowly rounded. Type Cecid. 5. 



