210 Miss G. Ricardo on the Asilidee. 
The male is at once distinguished by the triangular en- ~ 
largement of the last segment of the abdomen below, fringed 
by a tuft of black hairs; genitalia reddish. The female 
ovipositor proper is short, only the length of the preceding 
segment, but the last two segments (or at least the last one) 
are usually compressed. 
It is a species with reddish legs, the femora with a black 
stripe; pubescence on legs short and white, bristles usually 
black. Moustache yellowish with a few black hairs above. 
Scutellum with yellow hairs, occasionally a black bristle or 
two appear. 
Length, g 18-20, 2 20-25 mm. 
Promachus brevipennis, sp. 0. 
Type (male) and two other males from Valley of Kafu 
River, Unyoro, 3400 feet, 238-28. xii. 1911 (S. A. Neave), 
1912, 193. 
A species distinguished by the short wings and by the 
snowy-white moustache. Legs nearly wholly reddish. 
Genitalia slender, with a white tuft of hairs. 
Length 23 mm. 
Face blackish with grey tomentum. Moustache of rather 
silky-white hairs continued to base of antenne, thick. 
Palpi with long white hairs. Antenne with the third joint 
uniting, the first two joints slender, with chiefly white hairs. 
Forehead with black hairs, and a few white ones on its 
posterior border. Hind part of head with stout black 
bristles, continued round head, and then with white hairs. 
Thorax blackish, with grey tomentum and black pubescence, 
and long black bristles in centre beginning before the mid- 
line of dorsum, weak long white hairs are present on 
posterior part and at sides. Scutellum with a double row 
of stout yellow bristles and long white hairs. dddomen 
long and slender, the pubescence chiefly yellow, but some 
black hairs on the spots and whitish bristles on the sides ; 
underside with yellow pubescence, the last segment with 
white hairs. Genitalia composed of simple club-shaped 
forceps, the under lamellz about half their length, all black, 
shining, with black hairs, the tuft of white hairs above thick 
and reaching beyond the middle of the forceps. Legs with 
the apices of femora and tibize and all the tarsi black ; 
pubescence white, thick on the tarsi. Wings reaching about 
as far as the fifth segment of abdomen. 
