146 



NEW YORK STATE MUSEUM 



spots on segments one to five, the sixth and seventh dark brown 

 basally. Wings hyaline, costa dark brown, the whitish discal 

 spot near the basal half; third vein unites with costa just before 

 the basal half. Halteres whitish transparent, pale orange basally. 

 Coxae dark brown, femora silvery white, broadly and variably 

 banded subapically with dark brown, tibiae dark brown, the extrem- 

 ities narrowly banded with silvery; tarsi dark brown, the first 

 segment basally, the extremities of the second to fourth tarsal seg- 

 ments and the base of the fifth segment variably banded with 

 silvery, the basal annulations distinctly broader, particularly on 

 the posterior legs; claws long, slender, strongly 

 curved, the pul villi a little shorter than the 

 claws. Genitalia; basal clasp segment long; ter- 

 minal clasp segment slender; dorsal plate broad, 

 broadly and triangularly emarginate; ventral 

 plate long, slender, narrowly rounded. Harpes 

 long, slender. 



Female. Length 2 mm. Antennae dark brown; 

 18 segments, the fifth with a length hardly equal 

 to the diameter; terminal segment slightly pro- 

 duced, broadly rounded. Palpi; the first segment 

 irregularly sub quadrate, cla vat e, the second stout, 



Fig. 20 Lasiop- 

 tera lycopi, 

 fifth antennal seg- 

 ment of female, 

 enlarged (original) 



Fig. 21 Lasioptera lycopi, palpus of female, enlarged 



(original) 



subrect angular, the third one-half longer than the second, much more 

 slender, the fourth as long as the third, fusiform. Halteres pale 

 yellowish salmon. Coxae and base of femora pale yellowish, distal 

 portion of femora, .tibiae and tarsi dark brown, the articulations 

 marked by narrow, white annulations, the latter broader on the 

 posterior tarsi. Ovipositor one-half "the length of the abdomen, the 

 terminal lobe rather long, stout, narrowly rounded. Other characters 

 nearly as in the male. Type Cecid. a 13 48. 



Lasioptera humulicaulis Felt 



1907 Felt, E. P. N. Y. State Mus. Bui. no, p. 151 



1908 N. Y. State Mus. Bui. 124, p. 326 



This species is remarkable in that the larvae appear to inhabit 

 considerable lengths of the hop stem, producing a uniform swelling 

 some 50 cm in length and about one cm in diameter. It was dis- 

 covered by Henry Bird at Rye, N. Y., and a long gall containing 



