REPORT OF THE STATE ENTOMOLOGIST 1918 IOI 
one and one-half and two and one-half times their diameters; terminal 
segment, distal enlargement divided, a smaller proximal enlarge- 
ment and a larger distal portion; the tip prolonged, the basal two- 
thirds stout, the distal third more slender. Palpi; first segment 
prolonged, slightly expanded at the distal third, the second a little 
stouter, one-fourth longer, the third a little more slender and one- 
half longer than the second, and the fourth about twice the length 
of the third and more slender. Head dark brown. Mesonotum 
light brown with an indistinct yellowish, median line and a similar 
color on the humeri, submedian lines sparsely ornamented with long, 
yellowish setae; posterior margin of mesonotum slaty brown. Scu- 
tellum bluish slate, the apex sparsely ornamented with long, yel- 
lowish setae. Abdomen dark or reddish brown, rather thickly 
clothed with yellowish hairs. Legs brownish yellow; claws stout, 
strongly curved. Wings (pl. 16, fig. 12) with costa and the apical 
half of the third vein reddish; halteres yellowish basally, irregularly 
brownish and yellowish apically. Genitalia -(pl. 10, fig. 3); dorsal 
plate broad, deeply and triangularly emarginate, the lobes widely 
separated; ventral plate narrow, broadly and roundly excavated, the 
lobes narrow, widely separated, each with a long subapical seta. 
Harpes stout, apparently fused distally, swollen at the distal fourth, 
the margin finely and irregularly serrate; style long, stout. Type 
Cecid. 1. 
Itonida setariae Felt 
1907 Felt, E. P. New Species of Cecidomyiidae II, p. 22-23 (Cecidomyia) 
1908 ——— _ N.Y. State Mus. Bul. 124, p. 303-4, 414 (Cecidomyia) 
1918 ———— _ N.Y. State Mus. Bul. 200, p. 24 
This reddish yellow male was reared August 25, 1907 from seeds 
of the common fox-tail grass, Alopecurus pratensis, 
at Albany, N. Y. 
Male. Length 1.5 mm. Antennae longer than the body, thickly 
haired, light brown; the basal segment pale yellowish; fourteen 
segments, the fifth with stems one and one-half and two times their 
diameters; terminal segment, distal enlargement produced and with 
a long, slender, tapering appendage. Palpi; the first segment short, 
stout, irregularly subquadrate, the second stout, nearly twice the 
length of the first, the third a little longer, more slender, the fourth 
a little longer and more slender than the third; face light reddish. 
Mesonotum reddish, darker laterally, the submedian lines indistinct. 
Scutellum darker than the mesonotum, postscutellum reddish. 
Abdomen reddish yellow, sparsely clothed with long hairs; mem- 
brane and pleurae reddish yellow. Wings hyaline, costa light brown; 
halteres pale reddish or yellowish. Coxae pale yellowish, the 
anterior and mid femora and tibiae gray, the posterior femora and 
tibiae yellowish, the anterior and mid tarsi brownish, the posterior 
tarsi with the two basal segments yellowish, the. others brown; 
claws long, slender, irregularly curved, the pulvilli distinctly shorter 
than the claws. Genitalia; dorsal plate short, broad, deeply and 
