D ipf era from South A/net. 173 



Promachus albicinctus, £ & ? , sp. n. 



One male and three females from Pretoria ( W. L. D.). 

 Allied to fu/vipts, but easily distinguished from it by the 

 wholly black antennae. 



$ and ? . Grey. Faee brown, covered with dense yellow 

 tomentuin. 1 ne moustache consists of yellow bristles, from 

 which there extends up each side of the face a row of long 

 yellow hairs reaching to the antennae, and ending with a few 

 black bristles and hairs. Palpi black, with long yellow 

 hairs. Beard white. Forehead with black bristles and 

 hairs en the anterior half, the posterior with yellow ones. 

 Antenna} black, the first two joints with yellow pubescence- 

 Hind part of the head in the centre with yellow bristles, at 

 the sides yellow and black intermixed, with long white hairs. 

 Thorax brown, with the central stripe rather lighter; the 

 shoulders, sides, and anterior half covered with dense reddish- 

 brown tomentum, which borders the side-stripes and runs 

 between their several divisions as a narrow line; the pubes- 

 cence is black on the dorsum, with a fringe of longer white 

 hairs on the fore border, some scattered ones on the sides 

 and on the posterior part. Scufellum brown, with grey 

 tomentum, black bristles, and white hairs. Breast-sides 

 brown, with reddish-brown tomentum and sparsely scattered 

 black and white hairs; the tuft over the halteres is red. 



Abdomen grey, with transverse black bands, which take up 

 more than the anterior halt' of each segment, not reaching 

 the side border, with rounded corners ; the pubescence 

 whitish yellow, thicker on the first three segments; the 

 underside grey, with white pubescence; the genital organ 

 shining black. Legs chestnut-red; the coxa: black, with grey 

 tomentum and long white hairs; the anterior and middle 

 femora with a black stripe on the upperside ; knees black; 

 the pubescence on the legs is white, and all bristles black. 

 Wings clear, yellowish at the extreme base; veins brown, 

 those on the fore border red. 



Length 20 millim. 



Types (male), Pretoria ( W. L. D.); (female), Pretoria 

 ( W. L. D.) 



Promachus btcolor, ? , sp. n. 



One female from Pretoria ( W. L. /).). 



Black. Face red on the lower half, with yellowish to- 

 mentum, above black. Moustache extending halfway up 

 the face consists of yellow bristles belov -^nd black bristles 



