178 ENTOMOLOGICAL SOCIETY 



Washington, D. C., June 22 (Nathan Banks); Texas (Bel- 

 frage). Three female specimens. 



Type. No. 7945, U. S. National Museum. 



Leptogaster hirtipes, n. sp. 



Near murimis, but. with a conspicuous patch of snow-white hairs on the 

 under side of the penultimate fifth of the hind femora. Head black, light 

 gray pruinose, antennae yellowish, the arista brown, mystax white, bristles 

 on upper part of occiput rather stout and chiefly black ; thorax black, the 

 four corners yellowish, light gray pruinose, mesonotum with three brown 

 pruinose vittae ; abdomen black, brownish pruinose, the first segment and 

 both ends of the others gray pruinose; legs yellowish, the enlarged por 

 tion of hind femora and apical portion of hind tibiae yellowish brown ) 

 apices of tarsi brown, empodia spine-like, about half as long as the claws ; 

 wings hyaline, base of fourth posterior cell with a short peduncle. 

 Length n to 14 mm. 



Colorado (Morrison), and Rio Ruidosa, White Mts., N. M., 

 altitude about 7,600 feet, August 2 (C. H. T. Townsend). Two 

 males and two females. 



7'ype. No. 7946, U. S. National Museum. 



Ablautus flavipes, n. sp. 



Black, the abdomen except at base, the halteres and legs, yellow, apices 

 of the femora, of the tibiae and of the tarsi, also a vitta on upper side of 

 front femora, brown; hairs of head white, bristles of lower side of first 

 two joints of antennas and on upper part of occiput, yellowish white; 

 hairs of body white, bristles of thorax pale yellow, abdomen densely yel 

 lowish gray pruinose, usually marked with a median and a lateral row of 

 brown spots; hairs and bristles of legs white, the sides of the last three 

 joints of the front tarsi in the male with a cluster of black hairs, giving 

 these joints the appearance of being dilated, the bristles of these joints 

 black; wings hyaline, the veins chiefly yellow. Length 5 mm. 



Los Angeles and San Diego Cos., Cal. Three males and two 

 females, collected by the writer in May. 



Type. No. 7947, U. S. National Museum. 



Ablautus rubens, n. sp. 



Reddish yellow, the hairs and bristles whitish, several on the tarsi 

 black, most numerous on the hind ones; head, thorax and scutellum 

 opaque, yellowish gray pruinose, the pleura except the anterior portion, 

 the under side of the scutellum and middle of the metanotum, polished; 

 abdomen polished, a pair of small gray pruinose spots on the second and 

 third segments, sides of abdomen and the venter yellowish gray pruinose; 

 wings hyaline. Length 6 mm- 



