I06 NEW YORK STATE MUSEUM 



The posterior margins of the segments a dull yellowish orange; 

 7th and 8th segments mostly yellowish orange, the former narrowly 

 margined posteriorly with dark brown. Genitalia dark brown. 

 Pleurae dark brown, venter sparsely clothed with silvery white 

 scales. Coxae fuscous yellowish; femora and tibiae dark brown, 

 pale yellowish apically ; tarsi nearly uniformly dark brown. 



Female. Length 1.2 mm. Antennae extending to the base of 

 the abdomen, sparsely haired, dark brown, 23 segments; face fus- 

 cous; eyes margined posteriorly with dull silvery scales. Mesono- 

 tum a rich purplish brown, broadly margined laterally and anteri- 

 orly with dull silvery scales. Scutellum yellowish brown, post- 

 scutellum a little darker. Abdomen dark purplish brown, the seg- 

 ments narrowly margined posteriorly with dull silvery, that of the 

 2d and 3d apparently broadly interrupted along the median line. 

 Ovipositor pale orange; legs mostly a rich brown; the femora and 

 tibiae annulate with light yellow at the articulations. 



Bred from a leaf gall of touch-me-not or snapdragon (Impatiens 

 fulva) at Albany, N.Y. August 10, 1906. 



Type Cecid. aii66, N.Y. State Museum. 



Lasioptera caryae n. sp. 



Male. Length 2 mm. Antennae shorter than the head and 

 thorax, sparsely clothed with fine setae, brown, 20 segments. Head 

 dark brown with two silvery spots at the base of the antennae. 

 Mesonotum covered with bronzy scales; scutellum and postscutel- 

 lum with long scales. Pleurae with very large white silvery scales. 

 Abdomen clothed with pale brown scales, those of the last two seg- 

 ments having a bluish tinge. Legs thickly clothed with scales, 

 yellowish at the base; the tibiae and tarsi dark brown. 



Taken on hickory at Albany, N.Y. June 19, 1906. 



Type Cecid. 335, N.Y. State Museum. 



Lasioptera desmodii n. sp. 

 Male. Length i mm. Antennae extending to the base of the 

 abdomen, sparsely clothed with fine hairs, dark brown, basally 

 yellowish transparent, 21 or 22 segments. Mesonotum nearly 

 uniformly dark brown, margined anteriorly and laterally with sil- 

 very white scales and with a sprinkling of the same on the margin 

 of the nearly naked posterior median area. Scutellum brownish, 

 rather thickly clothed with smaller white hairs and a few long ap- 

 ical bristles; postscutellum dark brown. Abdomen dark brown, 



