258 NEW YORK STATE MUSEUM 



conspicuous lobe at the internal distal angle; terminal clasp segment 

 long, stout, swollen near the middle; dorsal plate very broad, short, 

 broadly and triangularly emarginate; ventral plate long, broad, 

 deeply and triangularly emarginate. 



Female. Length 4 mm. Antennae extending to the third 

 abdominal segment, sparsely haired, yellowish, the distal and basal 

 segments tinged with red; 18 segments, the fifth subsessile, with a 

 length about twice its diameter; terminal segment produced, narrowly 

 oval. Palpi; the first segment rather stout, irregularly subquadrate, 

 the second obconic, curving, acute; face fuscous. Mesonotum 

 dark brown or black, submedian lines indistinct. Scutellum a 

 dark reddish brown, postscutellum fuscous. Abdomen a very dark 

 brown or black, the incisures a deep intense red; costa dark brown. 

 Legs mostly black, the coxae and base of femora yellowish; claws 

 rather long, strongly curved. Ovipositor nearly as long as the 

 abdomen, the terminal lobes long, slender, irregularly rounded. 

 Type Cecid. iioo. 



This may prove to be a small form of R. h i r t i p e s O. S. 



Rhopalomyia abnormis Felt 



1908 Felt, E. P. N. Y. State Mus. Bui. 124, p. 365 



The male described under this name was taken in a trap lantern 

 at Huguenot Park, N. Y., July 14, 1906. Nothing is known con- 

 cerning its life history. 



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

 sparsely haired, dark brown; 19 segments, the fifth with a stem 

 as long as the basal enlargement, which latter has a length a little 

 greater than its diameter, rounded at the extremities; terminal 

 segment produced, narrowly rounded. Palpi; 

 one long, slender segment, swollen near the 

 middle, irregularly curved and tapering, suba- 

 cute. Mesonotum reddish brown. Scutellum 

 -p. -J, , . reddish, postscutellum yellowish brown, 



ig- 7 o p a o - ^^(^Qjj^gj^ dark brown, thickly clothed with 



yia a no mis, ^^^ hairs. Wings hyaline, costa light brown; 

 P^ .^ ' ^ ^ halteres pale reddish. Legs a nearly uniform 



dark brown ; claws long, slender, evenly 

 curved, the pulviUi longer than the claws. Genitalia; basal clasp 

 segment long, stout; terminal clasp segment long, swollen near the 

 middle; dorsal plate short, broad, deeply and triangularly incised; 

 ventral plate long, tapering, roundly emarginate. Harpes long, 

 broad, convolute, irregularly rounded. 



This specimen has a number of the terminal segments of one 

 antenna fused to form a long, uniform mass with a length approxi- 

 mately six times its diameter; the apex narrowly rounded. Type 

 Cecid. 580. 



