REPORT OF THE STATE ENTOMOLOGIST I918 I43 



Lestodiplosis tsugae Felt 



1907 Felt, E. P. N. Y. State Mus. Bui. no, p. 139; separate, p. 43 

 (Cecidomyia) 



1908 N. Y. State Mus. Bui. 124, p. 409 



This fuscous yellowish male was taken June 7, 1906 on hemlock, 

 Tsuga canadensis, at Lake Clear, N. Y. 



Male. Length i mm. Antennae twice as long as the body, 

 thickly clothed with fine hairs, light brown, yellowish basally; four- 

 teen segments, the fifth with stems each three and one-half times 

 their diameter; distal node pyriform, with a length one-half greater 

 than its diameter. Palpi; the first segment short, broadly oval, 

 the second twice the length of the preceding, subrectangular, the 

 third a little longer, more slender, the fourth about as long as the 

 preceding, more strongly flattened; mouth parts prolonged in a short, 

 triangular beak; face yellowish. Mesonotum dark brown, lighter 

 posteriorly, submedian lines yellowish. Scutellum yellowish apically, 

 rather thickly clothed with fine hairs. Abdomen fuscous yellowish. 

 Wings hyaline, costa light brown; halteres yellowish transparent. 

 Legs dark brown, ventral surface and base of femora paler; claws 

 slender, uniformly curved, simple. Genitalia; basal clasp segment 

 long, stout; terminal clasp segment swollen basally; dorsal plate 

 short, broad, deeply and triangularly incised, narrowly rounded; 

 ventral plate short, relatively broad, broadly rounded; style long. 

 Type Cecid. i68b. 



Lestodiplosis asclepiae Felt 



1908 Felt, E. P. N. Y. State Mus. Bui. 124, p. 409, 410 

 1918 N. Y. State Mus. Bui. 200, p. 180 



This deep-red species was reared in early August 1907 from rolled 

 leaves of milkweed, Asclepias cornuta, containing whitish 

 larvae some 2 mm long and collected at Highland and also at Albany, 

 N. Y. 



Male. Length .75 mm. Antennae one-half longer than the 

 body, thickly haired, fuscous yellowish; fourteen segments, the fifth 

 with stems having a length three and one-half and three times their 

 diameters respectively, the distal node with a length one-fourth 

 greater than its diameter ; terminal segment having the distal portion 

 of the stem with a length about twice its diameter, obtuse. Palpi; 

 first segment subquadrate, the second with a length three times its 

 diameter, the third as long as the second, the fourth a little longer, 

 all slender. Face light brown. Mesonotum reddish brown, the 

 submedian lines thickly haired. Scutellum pale yellowish, post- 

 scutellum fuscous. Abdomen deep red, the basal segments a variable 

 fuscous; genitalia fuscous yellowish. Wings hyaline, costa reddish 

 brown; halteres light straw. Coxae pale orange, the extremities 

 of femora light fuscous. Legs a variable light brown, the anterior 

 somewhat darker; claws slender, strongly curved, the pulvilli nearly 



