224 NEW YORK STATE MUSEUM 



pul villi as long as the claws. Genitalia; basal clasp segment long, 

 stout, broadly rounded; terminal clasp segment long, slender, swollen 

 near the middle; dorsal plate broad, deeply and triangularly incised; 

 ventral plate long, deeply and broadly incised. 



Female. Length 1.75 mm. Antennae sparsely haired, pale 

 yellowish; presumably 15 segments, the fifth subsessile, with a 

 length about twice the diameter; claws rather long, stout, evenly 

 curved, the pulvilli a little longer than the claws. Ovipositor 

 probably two-thirds the length of the abdomen, the terminal lobes 

 long. Otherwise nearly as in the male. Type Cecid. 11 03. 



Janetiella acerifolia Felt 



1907 Felt, E. P., N. Y. State Mus. Bui. no, p. 124 (separate, p. 27) 

 (Oligotrophus) 



1908 N. Y. State Mus. Bui. 124, p. 372 



This dark brown species was taken at Albany, N. Y., May 17, 

 1906 along a hedge row containing maple, elm, shadbush and other 

 plants. 



Male. Length 1.5 mm. Antennae probably nearly as long as 

 the body, sparsely long-haired, dark brown; 15 segments, the fifth 

 with a stem one-half longer than the basal enlargement; terminal 

 segment subcorneal, apex broadly rounded. Palpi; the first segment 

 obpyriform, the second a little longer, subrectangular, the third 

 one-half longer than the fourth, strongly flattened and the fourth 

 about as long as the third. Mesonotum dark brown. Scutellum 

 and postscutellum reddish brown, basal abdominal segment dark 

 brown, other segments reddish, spotted with carmine; genitalia 

 dark brown.- Wings hyaline, costa dark brown; halteres yellowish 

 transparent at base, slightly fuscous apically, very long. Legs a 

 variable brown, lighter ventrally, tarsi slightly darker; claws slender, 

 slightly curved. Genitalia; basal clasp segment stout; terminal 

 clasp segment stout basally; dorsal plate broad, deeply incised; 

 ventral plate narrow, deeply incised; harpes stout, tapering. Type 

 Cecid. 35. 



Janetiella brevicauda Felt 



1908 Felt, E. P. N. Y. State Mus. Bui. 124, p. 372 

 This reddish brown species was reared June 22, 1881 from the 

 typical gall of Lasioptera vitis on grape, Vitis. 



Female. Length 1.25 mm. Antennae extending to the base of 

 the abdomen, sparsely haired, light yellowish; 15 segments, the 

 fifth subsessile, with a length about one-fourth greater than its 

 diameter; terminal segment reduced, narrowly rounded. Palpi; 

 first segment subquadrate, the second with a length four times its 

 diameter, the third a little shorter than the second, the fourth a 

 little longer than the third. Face reddish yellow. Mesonotum 

 reddish brown. Scutellum yellowish red, postscutellum a little 



