EEVISION OF GENUS CUPHOCERA REINHARD 69 



and absent in the other two specimens ; back of head thickly clothed 

 with long pale grayish hairs. 



Thorax black, gray pollinose, with four dark dorsal vittae which 

 are distinct before the suture and somewhat less defined behind; 

 hairs on pleura black; scutellum wholly red, thinly dusted with 

 gray pollen. Chaetotaxy: Acrostichal, 3, 3; dorsocentral, 3, 4; in- 

 traalar, 3; supraalar, 3; postalar, 2; humeral, 5 or 6; posthumeral, 

 3 (anterior one sometimes small); notopleural, 2; presutural, 2; 

 pteropleural, 2 (large); sternopleural, 2, 1; scutellum with three 

 marginal, a smaller suberect decussate apical and a reclinate discal 

 pair situated well behind the middle; disk bearing about 10 erect 

 bristles besides numerous smaller hairs; postscutellum black, pale 

 membranous on upper part; calypters white. 



Abdomen red with a broad black dorsal stripe widening on the 

 second segment and including most of the first; gray changeable 

 pollen on most of the upper surface ; first segment without median 

 marginal bristles; second with one pair; third bearing a marginal 

 row of about ten; fourth with numerous bristles above on apical 

 half; genitalia reddish black with a large lobe on each side; inner 

 forceps united and wider than usual, broadly sulcate on the apical 

 third behind, apex broadly rounded or blunt; inner forceps short, 

 very slender, terminating in an acute minute hook; penis bowed 

 forward at middle, the apex prolonged behind and bordered with a 

 pale membrane; fifth sternite with a broad V-shaped incision, the 

 lobes reddish, bearing black hairs along the darker inner margins 

 and finer brown hairs near the middle. 



Legs black, tibiae reddish ; pulvilli tawny, the front ones distinctly 

 longer and about equal the last tarsal segment; mid tibia with two 

 or three stout bristles on outer front side ; hind tibia with about 

 six wide-spaced uneven bristles on the outer posterior edge, and 

 two moderately large ones near middle on the inner side. 



Wings grayish hyaline, small cross vein slightly infuscated; 

 fourth vein with a stumpless rectangular bend, shortly beyond 

 which it curves outward, thence almost straight in an oblique di- 

 rection to costa ; first posterior cell narrowly open far before wing 

 tip; third vein with only four or five hairs near base; last section 

 of fifth vein about two-fifths the length of preceding section ; epau- 

 lets reddish; costal spine small. 



Length, 10 to 11 mm. 



Female. — Unknown. 



Parafype.—M.^\Q, U.S.N.M. no. 50563. 



Remarks. — Described from two males in my collection taken at 

 Balmorhea, Tex., August 4, 1922, by C. S. Kude, and one male 

 (holotype) in the Kansas University collection from Mescal, Ariz., 

 July 28, 1927 (R. H. Beamer). 



