REPORT OF THE STATE ENTOMOLOGIST l<H<> [6l 



Scutellum reddish brown, whitish scales apically, postscutellum 



darker. Abdomen dark brown with lunate, silvery spots on seg- 

 ments one to five and rudimentary markings on the sixth, venter 

 suffused with silvery white scales; genitalia light fuscous yellowish. 

 Wings hyaline, eosta dark brown, the third vein uniting with the 

 rather long, pale orange discal spot at the distal third; halteres 

 yellowish orange. Coxae and base of femora fuscous yellowish, 

 the femora distally and tibiae dark brown; tarsi nearly black; claws 

 long, slender, the pulvilli as long as the claws. Genitalia; basal 

 clasp segment long, stout; terminal clasp segment stout, tapering; 

 dorsal plate short, broad, deeply and triangularly emarginate; 

 ventral plate long, slender, tapering, broadly rounded. Harpes 

 stout at base, tapering, irregularly obtuse; style long, rather stout, 

 narrowly rounded. 



Female. Length 2 mm. Antennae fuscous yellowish, the basal 

 segments whitish; 17 segments, the fifth with a length about one- 

 fourth greater than its diameter; terminal segment somewhat 

 produced, with a length about twice its diameter, narrowly rounded. 

 Palpi; the first segment short, stout, the second with a length one- 

 half greater than its diameter, stout, the third one-half longer than 

 the second, more slender and the fourth three-fourths longer than 

 the third, more slender. Color as in the opposite sex. Wings 

 a little broader and the discal spot less marked than in the male. 

 Ovipositor with a length equal to the abdomen; basally an oval 

 area with short, halberdlike spines; terminal lobes slender, with 

 a length fully five times the diameter and five or six heavy, stout 

 hooks. Type Cecid. aiSiy. 



Lasioptera hamata Felt 



1907 Felt, E. P. N. Y. State Mus. Bui. no, p. 107; separate, p. 11 



1908 N. Y. State Mus. Bui. 124, p. 327 



This species was taken on Solidago at Nassau, N. Y., June 14, 

 1906. Nothing is known concerning its life history. The female 

 may be recognized by the basal and abdominal segments being 

 white-margined posteriorly. 



Female. Length 1.5 mm. Antennae dark brown; 18 segments, 

 the fifth with a length a little less than its diameter ; terminal segment 

 slightly prolonged, broadly rounded distally. Palpi; the first seg- 

 ment short, subquadrate, the second short, broadly oval, the third 

 twice the length of the preceding, narrowly oval, the fourth one- 

 fourth longer than the third, a little more slender; lower portion 

 of face and base of antennae sparsely ornamented with white hairs; 

 eyes large, black, margined posteriorly with a few white hairs. 

 Mesonotum brownish black. Scutellum and postscutellum dark 

 brown. Abdomen dark brown w r ith the third, fourth and fifth 

 abdominal segments margined posteriorly with sparse, whitish 

 scales, terminal segments pale yellowish. Wings hyaline, costa 

 light brown, the third vein uniting with the margin at the whitish 



