140 



NEW YORK STATE MUSEUM 



mostly brown, the extremities of femora and tibiae variably annulate 

 with light yellowish, the tarsi dark brown; claws rather long, 

 slender, strongly curved, the pul villi a little shorter than the claws. 

 Genitalia; basal clasp segment long; terminal clasp segment swollen 

 basally; dorsal plate broad, deeply and triangularly incised; ventral 

 plate long, roundly truncate. Harpes long, stout, obtusely rounded. 

 Female. Length 2 mm. Antennae dark brown, yellowish basally; 

 25 segments, the fifth with a length about three-fourths its diameter; 

 terminal segment slightly produced, tapering to a broadly rounded 

 apex. Palpi; the first segment irregularly subquadrate, the second 

 twice the length of the first, stout, rounded distally; the third 

 one-half longer, more slender, slightly expanded apically, the fourth 

 nearly twice the length of the preceding, slender; face fuscous 

 yellowish with a conspicuous patch of silvery white scales, eyes 

 black, narrowly margined posteriorly with silvery white. Mesonotum 

 a rich purplish brown, narrowly margined laterally and anteriorly 

 with yellowish white, the submedian lines rather thickly clothed 

 with short, yellowish setae, the median posterior area reddish brown. 

 Scutellum reddish brown with numerous fine setae apically, 

 postscutellum yellowish brown. Abdomen dark brown, the dorsum 

 of the first segment silvery white, the second, third and fourth 

 segments narrowly margined posteriorly with silvery white, the 

 latter obsolete laterally; ovipositor pale orange, venter black with 

 a broad median, silvery white stripe. Wings hyaline, costa dark 

 brown, the third vein uniting with the margin just before the basal 

 half. Halteres pale orange. Legs mostly brown, the extremities 

 of femora and tibiae variably annulate with pale yellowish, the 

 tarsi dark brown; claws long, slender, strongly curved, the pul villi 

 as long as the claws. Ovipositor about three-fourths the length 

 of the abdomen, terminal lobe slender, narrowly rounded. Type 

 Cecid. a 1 443. 



Lasioptera linderae Beutm. 



1907 Beutenmueller, William. Amer. Mus. Nat. 

 Hist. Bui., 23:398-99 



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

 P- 325 



I9 J 3 Can - Ent -» 45 : 4!5 



The irregular, subcortical gall of this species 

 occurs on spicebush, Lindera benzoin, 

 and was first described together with the larva 

 inhabiting the same, by Professor Beuten- 

 mueller in 1907. This insect is rather com- 

 mon in the vicinity of New York City. The 

 larvae winter in the galls and adults may 

 be obtained therefrom in the latter part of 

 Fig. 17 Lasioptera M tQ toward the end of T une . A spe cies of 

 linderae, two views ^ . . ,. . n 



of a gall, natural size Torymus was reared from this fly. 

 (original) Gall. The irregular, subcortical galls are 



