REPORT OF THE STATE ENTOMOLOGIST 1918 143 
Lestodiplosis tsugae Felt 
1907 Felt, E. P. N. Y. State Mus. Bul. 110, p. 139; separat 
(Cecidomyia) Trai ae Set WOH 
1906) ————— | N. Y. State Mus. Bul. 124, p. 409 
This fuscous yellowish male was taken June 7, 1906 on hemlock, 
Tsuga canadensis, at Lake Clear, N. Y. 
Male. Length 1 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. 168b. 
Lestodiplosis asclepiae Felt 
1908 Felt, E.P. N. Y. State Mus. Bul. 124, p. 409, 410 
1918 ————_ N. Y. State Mus. Bul. 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, 
New: 
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 
