436 Miss G. Ricardo on the A.siii(la\ 



outstanding long bristles, a few red ones appear on posterior 

 part of thorax and all the side-bristles are reddish. Scitteltum 

 witli many very stout, long, black bristles in the centre, a 

 dozen or more, and tufts of white hairs on each side. 

 Ahduvien denuded, the bristles are white, pubescence whiti>h. 

 Genitalia simple, the upper forceps long but tapering to a 

 point, which is, however, rather obtuse, covered with short 

 white pubescence, the under pair short black with some 

 long white hairs. Lef/s with white pubescence, the hind 

 femora with yellowish bristles, the fore and mid til'ise with 

 long yellowish hairs below, the hind ones with black hairs ; 

 the bristles chiefly black, but long yellowish ones are present 

 on the fore and middle pairs ; the tarsi with almost wholly 

 black bristles. 



Female identical, the white bristles on tibia? rather more 

 numerous, also present on the hirid pair. Uvipositur short, 

 not much longer than the last segment. 



Length, S 1^8, ? 17 mm. 



Dysmachns nigricans, sp. n. 



Type (male) from Piet Retief, 4100 feet, Transvaal, 23. 

 viii. 1903 {Capt. R. Cj-awshay). 



Tvpe (female) and another from same locality and same 

 collector ; all in Brit. Mus. Coll., 190 A, 13. 



A small dark sjiecies with black mane, almost wholly 

 dark legs and abdomen. ^Moustache black and white. 

 Distinguished from Dysmacfius muntanus by the absence 

 of white tomentum, white bristles on the abdomen, and of 

 ■white bristles on the legs. 



licngth, S 13i, ? 13 mm. 



Male. — Face black (denuded). Moustache large, extending 

 to the antenn;o, composed of black bristly hairs with only a 

 few stray Avhite hairs. Antenna wanting. Forehead with 

 many long bristly hairs. The curled bristles at back of head 

 very long and stout, extending as weaker black bristles a 

 little way round head, and followed by white hairs. Beard 

 white. Thorax blackish, covered with brownish tomentum ; 

 the median stripe is dark and distinct; the mane, wholly of 

 black hairs and longer black outstanding bristles, is large 

 for such a small fly and extends thickly to the scutcllum, 

 the pubescence on dorsum is scanty, of black aiul some white 

 hairs. Scuietliwi armed with very long black bristles on its 

 ])03terior margin and others inside, nine or ten in all, and 

 some black liairs intermixed. Abdomen, somowliat denuded. 



