REPORT OF THE STATE ENTOMOLOGIST [916 1 53 



legs and the third to fifth segments broadly so on the posterior legs. 

 Ovipositor about half the length of the abdomen, the terminal lobes 

 narrowly oval. Type Cecid. a 196 5. 



Lasioptera weldi Felt 

 1908 Felt, E. P. N. Y. State Mus. Bui. 124, p. 326 



This species was reared in early May 1908 from a fusiform stem 

 gall on Helianthus taken by Mr L. H. Weld at Evanston, 111. 



Gall. Length 3 cm, diameter .7 cm, fusiform; occurs on the stem, 

 the interior being filled with a spongy matter inhabited by the pale 

 yellowish larvae. 



Larva. Length 3 mm, pale yellowish, rather stout. Head small, 

 the antennae long, tapering, breastbone distinct, bidentate, with a 

 minute median tooth, the posterior portion slender, terminating in 

 a crescentic enlargement. Skin minutely shagreened. Posterior 

 extremity broadly rounded with a few scattering fleshy processes. 



Male. Length 3 mm. Antennae, fuscous yellowish, basally yel- 

 lowish; 18 segments, the fifth with a length about three-fourths 

 its diameter; terminal segment somewhat produced, subglobose. 

 Palpi; first segment short, the second short, stout, irregular, the third 

 with a length nearly twice its diameter, the fourth one-fourth longer, 

 narrowly oval. Face yellowish. Mesonotum dark brown, the sub- 

 median lines thickly haired. Scutellum reddish brown, with numerous 

 setae, postscutellum yellowish. Abdomen dark brown, the segments 

 narrowly margined posteriorly with white, the latter broadly inter- 

 rupted mesially and laterally, except on the basal segment, which 

 has the white markings slightly produced anteriorly; genitalia 

 fuscous yellowish. Wings hyaline, cost a dark brown, the third vein 

 uniting therewith at the rather long, yellowish orange discal spot 

 beyond the basal half. Legs mostly dark brown, the articulations 

 narrowly banded with white, the posterior tarsi broadly banded, 

 the distal third of the third segment and fourth white ; claws rather 

 long, stout, strongly curved, the pul villi shorter than the claws. 

 Genitalia; basal clasp segment long, broad, terminal clasp segment 

 stout, tapering. Dorsal plate short, broad, deeply and triangularly 

 emarginate; ventral plate short, broad, broadly rounded. Harpes 

 long, broad, irregularly and obliquely truncate. 



Female. Length 2.25 mm. Antennae, dark brown; 23 segments, 

 the fifth with a length about one-half its diameter; terminal segment 

 broadly oval. Palpi; first segment short, subquadrate, the second 

 broadly oval, the. third narrowly oval. Face sparsely clothed with 

 silvery scales. Mesonotum black, narrowly margined anteriorly 

 and laterally with silvery scales, the submedian lines sparsely haired. 

 Scutellum reddish brown, with numerous silvery scales apically, 

 postscutellum dark reddish brown. Abdomen purplish dark brown, 

 the segments narrowly margined posteriorly with silvery scales, 

 the latter broadly interrupted mesially and narrowly so sublaterally 

 on segments two to six. A broken sublateral line of silvery mark- 



