REPORT OF THE STATE ENTOMOLOGIST I918 147 
terminal clasp segment slender; dorsal plate broad, deeply and nar- 
rowly incised, the lobes acutely rounded; ventral plate rather narrow, 
broadly rounded. Type Cecid. a128o. 
Lestodiplosis platanifolia Felt 
1908 Felt, E.P. N. Y. State Mus. Bul. 124, p. 410 
1QRSWiee ea PN). State Mus. Bul. 200, p..133 
This pale yellowish male was reared August 1, 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. Lengthi.1mm. 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. Scutellum pale yellowish, postscutellum fuscous. 
Abdomen mostly pale yellowish, the distal segments tinged with 
orange, the dorsum 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 pulvilli 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. ar669a. 
Lestodiplosis asteris Felt 
1907 Felt, E. P. N. Y. State Mus. Bul. 110, p. 142; separate, p. 45-46 
(Cecidomyia) 
This dull 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 subconical. 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. 
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