168 Miss G. Ricardo on 



This differs from the type in having stiff black bristles on 

 the thorax, instead of long white hairs, otherwise it seem s 

 identical with Walker's type. 



Microstylum glabrum, ? , sp. n. 



One female from Pretoria (W. L. D.) ; one female from 

 Z o u t p a n s be rg ( Kcessner) . 



This species closely agrees with Loew's description of 

 M. girfosum, <$ , but is probably a distinct species; it differs 

 in the following particulars from M. gulosum : — 



The abdomen is dull black on the first four segments, 

 shining black on the last four; there is no pubescence on the 

 dorsum of abdomen, and only some on the first segment of 

 the underside. Legs black ; the pubescence on the femora 

 and the posterior tibia? white, on the anterior tibige black. 

 The first posterior cell of the wings is not narrowed at the 

 apex ; the 4 spines at the apex of the tibiae are very stout. 



Length 26 millim. 



Type (female), Pretoria ( W. L. D.). 



Microstylum elegans, <$ & $ , sp. n. 



Three males and two females from Pienaars River (W. 

 L. D.) ; two females from Pretoria (W. L.D.). 



Belongs to division Ba of Loew. — Moustache confined to 

 the lower part of the face, thick, with no stout bristles inter- 

 mixed. 



Black. Face with yellowish- white tomentnm ; the mous- 

 tache composed of long white hairs ; palpi black, covered 

 with long white hairs ; beard white ; antennae black, with 

 black hairs on the first two joints. Forehead with two 

 whitish spots reaching from the eyes towards the centre, 

 the remaining portion black; at the sides are long white 

 hairs reaching to the antennse; on the posterior half they 

 are black ; on the hind part of head and on the collar 

 white. Thorax brown, with a broad grey stripe on each side, 

 clothed with long white hairs and bristles, which extend to 

 the posterior part of the thorax ; scutellum grey, with long 

 white pubescence ; breast-sides brown, with white tomentum 

 and a few white hairs. 



Abdomen black, with very distinct grey- white bands on 

 the posterior border of each segment, narrowest on the last 

 one, extending up the side of each segment; they are bor- 

 dered by a slight fulvous edge, more noticeable when viewed 

 from behind ; the whitish pubescence on the abdomen is short 

 and spare, except at the sides of the firsttwo segments, where 



