SARCOPHAGA AND ALLIES 59 



Length 11 mm. 



One male, Tifton, Ga., Aug. 27, 1896, in the 

 Hough collection of the University of Chicago. 

 Plolotype. — In the Hougli collection. 



STHENOPYGA New Genus. 

 (adeuos, strong; -rrvyq, the hinder end) 

 Type, Sthenopyga glohosa, new species, de- 

 scribed below. The characters are given in full in the 

 description; those of principal generic importance 

 appear to be the narrow parafacials, almost entirely 

 destitute of even minute hairs, the large eye and nar- 

 row" bucca; only one intra-alar, the posterior one; 

 front protuberant above the insertion of the antenna;. 



No. 18. Sthenopyga globosa n. sp. 



Male. Front .188 of head (average of five, — 

 .168, .184, .188, .195, .204) ; the eyes not diverging as 

 rapidly below as in most species; face and front sil- 

 very with slight yellow tinge; frontals not suddenly 

 diverging laterally at lower end of the row, but end- 

 ing higher up, the lowest barely beyond the base of 

 the second antennal joint, and not diverging more 

 than the lower half of the row as a whole ; parafacials 

 entirely bare of hairs, densely pollinose; vibrissse at 

 oral margin, only a few small hairs above them; an- 

 temicC brown, third joint slender, fully twice the sec- 

 ond, reaching three-fourths of the way to the vibrissse ; 

 arista of medium length, long-plumose on basal two- 

 thirds; bucca one-fifth the eyeheight; palpi dark yel- 

 low, apical two-fifths brown; proboscis short, fleshy; 

 outer vertical not differentiated; back of head witli 

 only a few pale hairs about the neck. 



Tliorax densely gray pollinose, not shining in 

 any part; when viewed from behind the usual 3-5 

 black stripes are visible but slender, in front view the 

 3 are brown; 3 ps dc; st])l 2; no ant acr; prescutellar 

 very small; scutellum with two marginals (one very 

 small between them), no subapicals, no apicals. 



