SARCOPHAGA. 269 
29. Middle and hind tibiz (3) with long hairs; anal segment ochraceous 
orreddish . . . a 
Legs without long hairs; anal segment tessellated with black and grey 
4 ay cyte pat 
triplasia. “% $3 
tripartita. Lo N.S ane 
like the preceding segments. . - . - + + s+ + = + 
30. Middle and hind tibie (g¢) hairy on the inner side. . . . . . . Sl. 
Legs not hairy. 6 6. ee ee ee BR, 
31. Pilosity of the middle and hind tibiz very long and dense, and over 
the whole length of the tibie . 2... - - - ee + + + + pewata, 1 8d Daa 
Pilosity of the middle and hind tibiz rather short, and on the lower 
half only of the tibie . 2 6 6 ee ee ee ee ee  vOlucris. 265 10 mr 
32. Anal segment ochraceous, the preceding segments variegated with grey 
and black . . . . . oe ee eee ochripyga. % 8) aaa 
Anal segment concolorous with the preceding segments . . . . . 33, 
33. Black and grey stripes of the thorax equal in breadth; abdomen 
tessellate . 6 0. ee ee ee BQ UATA. 2G © Sm 
Black stripes of the thorax narrower than the grey interspaces ; abdomen 
ochraceous, with three stripes and the incisures black . . . . . afficta. 266 Gan, 
1. Sarcophaga villipes, sp.n.,¢ 9. (Tab. VII. fig. 2.) 
Griseous; three thoracic stripes, some reflecting spots on the abdomen, antenne, palpi, and legs black; femora 
and tibie thickly clothed with long hairs; hypopygium brownish-red. 
Length 9-10 millim. 
In the male sex easily recognizable by the thickly haired legs. Head in profile subquadrate ; front flattened, 
on the vertex in the g as broad as, in the ? broader than, the eyes; frontal band brown, as broad as 
the lateral portions, which are greyish-white and somewhat silvery, as well as the face and cheeks, 
the latter on both sides of the oral margin with a brown reflection, their inferior portion equalling one- 
half of the longitudinal diameter of the eyes. Antenne brownish-black, inserted on the median line of 
the eyes; second joint ending in a rufous wart ; third joint three times as long as the second ; arista 
long, thickened and plumose on the basal half, for the rest bare and hair-like. Proboscis and palpi black. 
Thorax, scutellum, and abdomen griseous, the thorax and scutellum with a slight bluish tinge; thorax 
with three broad black bands, the median band prolonged over the scutellum and before the transverse 
suture divided into three stripes, the two lateral of which are linear; dorso-central bristles distinct. 
Abdomen elliptical (¢) or ovate and convex (Q ), with brown or blackish reflecting spots; hind border 
of the third segment with six macrochete—two dorsal and two on each side; fourth segment with a 
continuous row of marginal macrochete; hypopygium brownish-red, densely haired. Legs black: inthe 
3 the femora beneath and the tibie on the inner side densely clothed with long hairs in two divergent 
rows ; the foot-claws long, and the pulvilli quadrate, brown ; legs in the 9 with bristles only, and the 
foot-elaws and pulvilli short. Tegule white. Wings greyish-hyaline ; first and third veins with a row of 
small bristles ; small cross-vein under the middle or a little beyond the middle of the mediastinal cell and 
on the middle of the discal cell; curvature of the fourth vein with an acute angle; apical cross-vein 
incurved near its base, for the rest straight; posterior cross-vein undulate. 
- Hab. Mextco, Northern Sonora (Morrison), Omilteme 8000 feet and Amula 6000 
feet, both in Guerrero (H. H. Smith). 
One male and four female specimens. 
