15^ NEW YORK STATE MUSEUM 



brown. Wings hyaline, costa light brown. Halteres yellowish 

 brown, slightly fuscous apically. Legs yeUowish brown, the tarsal 

 segments somewhat darker; claws rather long, slender, strongly 

 curved, the pulvilli distinctly longer than the claws. Genitalia; 

 basal clasp segment long, slender; terminal clasp segment stout; 

 dorsal plate short, broad, deeply and triangularly incised, the lobes 

 widely separated, narrowly rounded; ventral plate long, broad, 

 deeply and roundly emarginate, the lobes long, slender, obtuse. 

 Harpes stout at base, tapering, irregularly tuberculate. 



Female. Length 3 mm. Antennae extending to the fourth ab- 

 dominal segment, thickly haired, light brown ; 16 segments, the fifth 

 with a stem about one-sixth the length of the basal enlargement, 

 which latter has a length about twice its diameter; terminal seg- 

 ment somewhat produced, narrowly rounded apically. Palpi; the 

 first segment short, stout, irregularly subquadrate, the second a little 

 longer, narrowly oval, the third one-half longer than the second, 

 more slender, the fourth one-half longer than the third, more slen- 

 der. Color characters about as in the male, except that the abdomen 

 is somewhat lighter. Ovipositor nearly as long as the body, the 

 terminal lobes long, rather broad, tapering, narrowly rounded. 

 Type Cecid. 957. 



Dasyneura modesta Felt 

 1908 Felt, E. P. X. Y. State Mus. Bui. 124, p. 345 

 A female of this form was observed in the vicinity of red oak 

 at Albany, N. Y., May 19, 1907. 



Female. Length 1.75 mm. Antennae extending to the third 

 abdominal segment, sparsely haired, dark brown, the basal seg- 

 ments yellowish; 16 segments, the fifth subsessile, subcylihdric ; 

 terminal segment produced, narrowly rounded distally. Palpi; the 

 first segment irregularly subquadrate, somewhat dilated apically, 

 the second one-half longer, tapering distally, the third twice the 

 length of the second, more slender, the fourth one-half longer than 

 the third, face fuscous. ]\Iesonotum dark brown, sparsely bordered 

 laterally and anteriorly with golden yellow scales, the submedian 

 lines thickly set with yellowish scales. Scutellum deep red, 

 postscutellum fuscous red. Abdomen sparsely clothed with fine 

 hairs, light brown, the incisures and venter a pale salmon. Wings 

 hyaline, costa light brown. Halteres pale salmon basally, yellowish 

 transparent apicaliy. Legs a variable light fuscous, the distal tarsal 

 segments darker ; claws long, slender, strongly curved, the pulvilli as 

 long as the claws. Ovipositor about as long as the body, terminal 

 lobe long, slender, narrowly rounded. Type Cecid. 1200. 



Dasyneura apicata Felt 

 1908 Felt, E. P. N. Y. State Mus. Bui. 124, p. 345 (D. apicatus) 

 This pale yellow species was reared September 7, 1907, from a 

 deformed, terminal growth on ash, Fraxinus, shoots taken at High- 

 land, N. Y., August 22, 1907. 



