182 NEW YORK STATE MUSEUM 
angularly emarginate, the lobes diverging, long, slender, broadly 
rounded; style long, slender. Type Cecid. 299. 
Itonida paucifila Felt 
1908 Felt, E.P. N. Y. State Mus. Bul. 124, p. 413 (Cecidomyia) 
This yellowish brown male was taken June 15, 1906 on deutzia 
ate Adar, IN Y 
Male. Length .75 mm. Antennae a little longer than the body, 
thickly haired, dark brown; fourteen segments, the fifth with stems 
three-fourths and one and one-fourth times their diameters. Palpi; 
the first segment short, subquadrate, the second more than twice as 
long, more slender, the third one-half the length of the second, nar- 
rowly rounded, the fourth about twice the length of the third; face 
fuscous yellow. Mesonotum dark brown, yellowish laterally and 
posteriorly. Scutellum pale yellowish, postscutellum and abdomen 
yellowish brown. Wings hyaline, costa light brown; halteres yellow- 
ish transparent basally, slightly fuscous apically. Legs a nearly 
uniform pale brown; claws long, slender, evenly curved. Genitalia; 
dorsal plate broad, deeply and narrowly emarginate, subtruncate 
distally, the angles setose, ventral plate long, slender, broadly and 
roundly emarginate, the lobes long, diverging, broadly rounded; 
style long, slender, narrowly rounded. Type Cecid. 297. 
Itonida americana Felt 
1908 Felt, E.P. N. Y. State Mus. Bul. 124, p. 413 (Cecidomyia) 
The pale yellow male was taken June 28, 1906 in a trap lantern at 
Poughkeepsie, N. Y. 
Male. Length 1.5 mm. Antennae nearly as long as the body, 
thickly haired, a very pale brown, yellowish basally; fourteen seg- 
ments, the fifth with stems each three and one-half times their 
diameter. Palpi probably quadriarticulate; face pale yellowish. 
Thorax and abdomen a nearly uniform pale yellowish, the terminal 
abdominal segments slightly more yellowish. Wings hyaline, the 
membrane yellowish, costa pale yellowish brown; halteres pale yellow- 
ish. Legs a nearly uniform pale yellowish straw color, the distal 
tarsal segments slightly darker; claws rather stout, short, strongly 
curved near the middle. Genitalia; dorsal plate broad, deeply, 
narrowly and triangularly emarginate, the lobes diverging, truncate, 
the lateral angles broadly rounded, the lateral margins narrowing 
anteriorly, the internal distal angles, each with a long, stout spine, 
the external with a group of long, coarse setae; ventral plate broad, 
long, deeply and roundly emarginate, the lobes narrow, diverging, 
narrowly rounded; style stout, long, curving, broadly rounded. 
Type Cecid. 420. 
Itonida canadensis Felt 
191r Felt, E.P. Econ. Ent. Jour., 4:558 
I9I5 N. Y. State Mus. Bul. 175, pl. 2, fig. 12 
1918 _—————_N. Y. State Mus. Bul. 200, p..135, 150 

