158 NEW YORK STATE MUSEUM 



between the two, and it has therefore been characterized as a dis- 

 tinct form. It was captured May 19, 1907 in the vicinity of red 

 oak at Albany, N. Y. 



Male. Length 1.25 mm. Antennae about two-thirds the length 

 of the body, sparsely haired, dark brown; 11 segments, the fifth 

 with a length one-half greater than its diameter ; terminal segment 

 somewhat produced, narrowly rounded. Palpi ; first segment stout, 

 ovoid, second segment slender, narrowly oval, the third a little 

 longer, more slender, the fourth a little longer than the third, some- 

 what dilated. Mesonotum dark brown, sparsely bordered laterally 

 and anteriorly with yellowish scales, the submedian lines thickly 

 ornamented with yellowish scales. Scutellum deep red, post- 

 scutellum fuscous red. Abdomen sparsely clothed with fine hairs, 

 light brown, the incisures and venter pale salmon. Wings hyaline, 

 costa pale straw, subcosta uniting therewith at the basal third. 

 Halteres pale salmon basally, yellowish transparent apically. Legs 

 a variable light fuscous, the distal tarsal segments somewhat 

 darker ; claws rather slender, strongly curved, the pulvilli as long 

 as the claws. Genitalia ; basal clasp segment stout ; terminal clasp 

 segment stout at the base, short; dorsal plate short, deeply and 

 narrowly incised ; ventral plate short, broad, tapering broadly and 

 roundly emarginate. Harpes long, irregularly truncate. Type 

 Cecid. 1200a. 



Dasyneura cirsioni Felt 



1908 Felt, E. P. N. Y. State Mus. Bui. 124, p. 346 



This fuscous yellowish female was taken on Canada thistle, 

 Cirsium arvense,at Albany, N. Y., July 17, 1906. 



Female. Length .75 mm. Antennae extending to the base of 

 the abdomen, sparsely haired, dark brown; 12 segments, the fifth 

 subcylindric, with a length about one-half greater than the diameter ; 

 terminal segment somewhat prolonged, broadly rounded. Palpi; 

 the first segment short, subquadrate, the second short, narrowly 

 oval, the third one-half longer, more slender, the fourth a little 

 longer and more slender. Mesonotum dark brown, submedian lines 

 narrow, yellowish. Scutellum and postscutellum reddish brown. 

 Abdomen fuscous yellowish, pleurae pale yellowish, ovipositor 

 orange yellow. Wings hyaline, costa thickly clothed with dark 

 brown scales ; halteres yellowish basally, slightly fuscous apically. 

 Coxae and femora basally semitransparent ; the latter distally, 

 tibiae and tarsi mostly dark brown ; claws long, slender, evenly 

 curved. Ovipositor as long as the body, the terminal lobes long, 

 slender, narrowly rounded. Type Cecid. 619. 



Dasyneura scutata Felt 

 1908 Felt, E. P. N. Y. State Mus. Bui. 124, p. 346 

 The dark brown female was taken at Albany, N. Y., July 16, 

 1906 in general collecting on goldenrod and aster. 



