414 PROCEEDINGS OF THE NATIONAL MUSEUM vol. loi 



at apex of segments. Hair of cheeks, tibiae, and basitarsi espe- 

 cially long, and that on inner side of basitarsi short and golden. 

 Wings faintly dusky, the stigma and nervures ferruginous, the 

 subcosta blackish. Stigma very narrow. Basal nervure slightly 

 postfurcal. Second submarginal cell large, longer than high and 

 receiving the recurrent nervure at one-third of its length be- I 

 fore the apex. Antennae reaching base of scutellum, the middle 

 joints of flagellum nearly twice as long as thick. Antennal joint 3 

 nearly as long as 4 plus 5, joint 4 being barely longer than 

 thick. Ocelli slightly enlarged. Sculpture throughout extremely 

 fine, consisting of close, setigerous punctures, the surface mainly 

 shining. Median ridge on disk of clypeus and the apical half of 

 disk polished and impunctate. Pygidial area of tergite 7 well 

 elevated, almost carinate laterally, narrowly triangular, nude, 

 and black, the remainder of the tergite ferruginous and hairy. 

 Genital armature very similar to that of larreae, but the lobes 

 of the stipites a little more incrassate and ending more bluntly. 

 Length 11 mm.; anterior wing 7.5 mm. 



Type. — U.S.N.M. No. 28560. Holotype (male), Panamint Val- 

 ley, Inyo County, Calif., April 1891. (A. Koebele) . 



■ft" U. S. GOVERNMENT PRINTING OFFICE: 1950 899136 



