204 NEW YORK STATE MUSEUM 



and femora pale yellowish ; tibiae light fuscous straw ; tarsi dark 

 brown, almost black; claws long, slender, strongly curved, the pul- 

 villi shorter than the claws. Genitalia; basal clasp segment short, 

 stout ; terminal clasp segment long, stout at base ; dorsal plate short, 

 stout, deeply and triangularly emarginate; ventral plate long, stout, 

 broadly and roundly emarginate. Type Cecid. ai572a. 



Rhizomyia cincta n. sp. 



This fuscous yellowish species was taken on Cornus, probably 

 C. stolon ifera at Albany, N. Y., July 30, 1906. 



Male. Length 2 mm. Antennae nearly as long as the body, 

 sparsely haired, dark brown; 12 segments, the fifth with a stem 

 one-quarter longer than the basal enlargement, which latter has a 

 length twice its diameter ; terminal segment produced, with a length 

 four times its diameter, tapering distally. Palpi ; first segment 

 broadly oval, the second slender, with a length four times its diam- 

 eter, the third one-half longer, slender. Mesonotum dark brown, 

 the submedian lines yellowish. Scutellum yellowish, reddish 

 apically, postscutellum fuscous yellowish. Abdomen dark fuscous 

 yellowish, the basal segment dark brown, the others margined 

 posteriorly with dark brown and thickly clothed with fuscous hairs, 

 the venter yellowish; genitalia brownish yellow. Wings hyaline, 

 costa dark brown. Halteres pale yellowish. Coxae and femora 

 basally yellowish, the remainder of the legs mostly dark brown; 

 claws long, strongly curved, slender, the pulvilli much shorter than 

 the claws. Genitalia ; basal clasp segment stout, truncate ; terminal 

 clasp segment long, slender; dorsal plate short, deeply and triangu- 

 larly emarginate; ventral plate long, broad, deeply and roundly 

 emarginate; harpes long, slender. Type Cecid. 722. 



Rhizomyia ungulata Felt 



T907 Felt, E. P. New Species Cecidomyiidae II, p. 9 (Arnoldia) 

 1908 N. Y. State Mus. Bui. 124, p. 290, 340 (Arnoldia) 



This pale orange midge was taken at Albany, N. Y., July 6, 1907. 



Male. Length 1 mm. Antennae a little longer than the body, 

 thickly haired, light brown, yellowish basally; 12 segments, the 

 fifth with a stem about one-quarter the length of the basal enlarge- 

 ment, which latter has a length one-half greater than its diameter; 

 terminal segment produced, subcylindric, subacute. Palpi; the 

 first segment short, stout, the second irregularly subquadrate, the 

 third long, stout, with a length about thrice its diameter. Face 

 pale yellowish. Mesonotum dark brown, the orange, submedian 

 lines sparsely haired. Scutellum pale reddish, postscutellum pale 

 orange. Abdomen sparsely haired, pale orange. Genitalia slightly 

 fuscous. Wings hyaline, costa dark brown. Halteres yellowish 



