REPORT OF THE STATE ENTOMOLOGIST I918 IQI 



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 (pi. i6, fig. 12) with costa and the apical 

 half of the third vein reddish; halteres yellowish basally, irregularly 

 brownish and yellowish apically. Genitalia (pi. 19, 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. I. 



Itonida setariae Felt 



1907 Felt, E. P. New Species of Cecidomyiidae II, p. 22-23 (Cecidomyia) 



1908 N. Y. State Mus. Bui. 124, p. 303-4, 414 (Cecidomyia) 



191 8 N. Y. State Mu';. Bui. 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 fir^t segment short, 

 stout, irregularly subquadrate, the second stout, nearly twice the 

 length of the first, the third a little longer, more slender, the fotirth 

 a little longer and more slender than the third; face Hght reddish. 

 Mesonotum reddish, darker laterally, the submedian lines indistinct. 

 Scutellum darker than the mesonotimi, 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 pulvihi distinctly shorter 

 than the claws. Genitalia; dorsal plate short, broad, deeply and 



