192 NEW YORK STATE MUSEUM 



triangularly incised, the lobes well separated, truncate, groups 

 of_ long setae at the angles; ventral plate long, broad, the sides tap- 

 ering slightly to a broadly and roundly emarginate apex, the lobes 

 short, narrowly rounded. Harpes indistinct; style long, stout, 

 tapering to an obtuse, slightly expanded apex. Type Cecid. ai72i. 



Itonida putrida Felt 



1912 Felt, E. P. N. Y. Ent. Soc. Jour., 20:246-47 

 191 8 N. Y. State Mu^;. Bui. 200, p. 49 



This species was reared from decaying birch wood inhabited by 

 numerous larvae of Bolitophila cinerea Meign. collected 

 at Albany. 



Itonida reflexa Felt 



1913 Felt, E. P. Psyche, 20: 146 -47 



The male was received from C. W. Johnson of the Boston Society 

 of Natural History. It was labeled "LB. 16, 1906, Hampton, N. H., 

 S. A. Shaw, 1 143." It is easily separated from the related 

 I. putrida Felt by the dark-brown abdomen and the somewhat 

 longer antennal stems. 



Itonida nixoni Felt 

 1908 Felt, E. P. N. Y. State Mus. Bui. 124, p. 414 (Cecidomyia) 

 This pale yellowish male was taken July 6, 1906 on New Jersey 

 tea, Ceanothus americanus,at Albany, N. Y. 



Male. Length 1.6 mm. Antennae one-half longer than the body, 

 thickly haired, light brown, yellowish basally; fourteen segments, 

 the fifth with stems two and two and one-half times their diameters, 

 respectively; terminal segment, distal enlargement cylindric, with a 

 length three times its diameter, apically a slender, fingerlike process. 

 Palpi; first segment quadrate, with a length one-half greater than 

 its diameter, the second twice the length of the first, slender, the 

 third a little longer than the second, slender, the fourth a little 

 longer and more slender than the third. Face fuscous yellowish. 

 Mesonotum dark brown, the submedian lines broad, yellow, pos- 

 terior median area yellowish. Scutellum fuscous yellowish, post- 

 scutellum yellowish. Abdomen pale yellowish orange, the distal 

 segments narrowly and faintly margined posteriorly with fuscous, 

 the latter continued slightly on the median line; genitalia slightly 

 fuscous. Wings hyaline, costa light brown; halteres yellowish 

 transparent. Legs a nearly uniform fuscous straw, tarsi slightly 

 darker; claws long, slender, evenly curved, the pulvilli nearly as long 

 as the claws. Genitalia; dorsal plate broad, deeply and roundly 

 emarginate, the lobes broadly rounded, the angles slightly produced; 

 ventral plate long, broad, nearly truncate apically; style long, stout, 

 narrowly rounded. Type Cecid. 510. 



