IgO NEW YORK STATE MUSEUM 
and median angles produced; ventral plate long, stout, broadly 
and roundly emarginate, the lobes irregularly truncate; style long, 
stout. 
Female. Length 1.75 mm. Antennae as long as the body, sparsely 
haired, pale straw; 14 segments, the fifth with a stem as long as 
the basal enlargement, which latter has a length twice its diameter; 
subbasal and subapical whorls thick; terminal segment, basal enlarge- 
ment greatly produced, slender, the distal portion short, stout, 
narrowly rounded. Palpi; the first segment short, stout, subquad- 
rate, the second with a length four times its diameter, slender, the 
third one-third longer than the second, more slender, the fourth a 
little longer and more slender than the third; thorax and abdomen 
a very pale lemon yellow, the dorsum of the basal abdominal seg- 
ment slightly tinged with orange. Wings hyaline, costa and mem- 
brane pale yellowish; halteres yellowish transparent. Legs yellowish. 
transparent basally, the tarsi a very pale yellowish straw. Ovi- 
positor about one-fourth the length of the abdomen, the terminal 
lobes constricted at the base, slender, lanceolate, otherwise nearly 
as in the male. Type Cecid. a1543b. 
Mycodiplosis tenuitas Felt 
1908 Felt, E.P. N.Y. State Mus. Bul. 124, p. 401 
The pale yellowish male was taken June 14, 1906 in a trap lantern 
at Poughkeepsie, N. Y. 
Male. Length 1.2 mm. Antennae one-half longer than the body, 
rather thickly haired, straw brown; basally sooty yellowish; 14 
segments, the fifth with stems three and four times their diameters, 
respectively. Palpi; the first segment short, stout, subglobose, the 
second long, subfusiform, with a length three times its diameter, 
the third a little longer and more slender than the second, and the 
fourth longer and more slender than the third; face pale yellowish. 
Mesonotum a nearly uniform dark brown, the submedian lines 
yellowish, sparsely haired. Scutellum pale sooty yellow with sparse 
apical setae; postscutellum and abdomen pale yellowish, the latter 
with the basal segment dark brown and rather thickly clothed dis- 
tally with pale yellowish hairs. Wings hyaline, costa pale straw; 
halteres whitish transparent; coxae pale yellowish; femora dull 
fuscous dorsally, lighter ventrally; tibiae and tarsi mostly pale straw; 
claws rather long, curved at alrhost right angles, pulvilli nearly 
one-half the length of the claws. Genitalia; basal clasp segment 
long, stout, a broadly triangular lobe at the internal basal angle; 
terminal clasp segment long, slender; dorsal plate long, broad, 
deeply and narrowly incised, the lobes very broadly and slightly 
emarginate, the lateral angles each with a stout seta; ventral 
plate long, stout, tapering, deeply and triangularly emarginate, 
the lobes long, stout, narrowly rounded; style long, slender. Type 
Cecid. 306. 
