REPORT OF THE STATE ENTOMOLOGIST 1918 14/ 



terminal clasp segment slender; dorsal plate broad, deeply and nar- 

 rowly incised, the lobes acutely rounded; ventral plate rather narrow, 

 broadly rounded. Type Cecid. ai28o. 



Lestodiplosis platanifolia Felt 



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

 1918 — N. Y. State Mus. Bui. 200, p. 133 



This pale yellowish male was reared August i, 1907 from pale 

 orange and whitish larvae occurring in rolls on the underside of 

 leaves of the plane tree, Platanus occidentalis, col- 

 lected in New York City. 



Male. Length i.i mm. Antennae one-half longer than the body, 

 thickly haired, light brown, the basal segments yellowish; fourteen 

 segments, the fifth with stems two and one-half times their diam- 

 eters; distal node slightly produced. Palpi; the first segment short, 

 stout, irregularly subquadrate, the second one-half longer, rather 

 stout, the third a little shorter and broader than the second, and the 

 fourth shorter and more strongly flattened than the third; face 

 light yellowish. Mesonotum light brown, the submedian lines 

 sparsely haired. Scutelltmi pale yellowish, postscutellum fuscous. 

 Abdomen mostly pale yellowish, the distal segments tinged with 

 orange, the dorstmi of the second and third segments with a fuscous 

 spot, genitalia pale yellowish. Wings subhyaline, distinctly spotted 

 with fuscous; halteres pale yellowish. Legs a light straw, the first 

 and base of the second tarsal segments dark brown, the third and 

 fourth tarsal segments basally and the fifth on the posterior legs 

 also dark brown; claws long, slender, strongly curved subapically, 

 the pul villi shorter than the claws. Genitalia; basal clasp segment 

 long, slender; terminal clasp segment long; dorsal plate long, broad, 

 deeply and roundly emarginate, the lobes narrowly rounded; ventral 

 plate long, slender, tapering, narrowly rounded; style swollen at the 

 base, long. Type Cecid. ai669a. 



Lestodiplosis asteris Felt 



1907 Felt, E. P. N. Y. State Mus. Bui. no, p. 142; separate, p. 45-46 

 (Cecidomyia) 



This dtill yellowish male was captured June 17, 1906 on aster at 

 Albany, N. Y. 



Male. Length 1.25 mm. Antennae longer than the body, 

 thickly haired, light brown, fuscous yellowish basally; fourteen 

 segments, the fifth with stems three and one-half times their diam- 

 eters; terminal segment, the distal node subcylindric, slightly dilated 

 at the distal fourth, the apex broadly subcorneal. Palpi; first seg- 

 ment quadrate, the second narrowly oval, the third and fourth each 

 as long as the second and successively more slender. Face fuscous 

 yellowish. Mesonotum dark brown, the submedian lines distinct. 

 Scutellum yellowish, reddish apically, postscutellum yellowish. 

 10 



