﻿62 Annals of the Soufh African Museum. 



broader than the eye. Antennae entirely black, the third joint one 

 and a-half times as long as the two first taken together, linear, obtuse, 

 thinner tlian the rather thin, short and Avhite-haired first joint. 

 Proboscis entirely black, 3" 5 mm. long. Haltères whitish. Legs 

 white-scaled, with white spines and white spicules ; claws black ;: 

 pulvilli absent. Wings entirely hyaline, vitreous, with pale yellow 

 veins, no distinct comb, but the costa is white- scaled at the base; 

 alula broad, rounded and fringed with white. Upper branch of the 

 thii'd vein very much retreating at the base ; discal cross-vein placed 

 much before the middle of the discoidal cell, which is as broad as 

 long, triangular ; first posterior cell not narrowed at end ; anal cell 

 sometimes narrowed at end. 



DiscHisTUS ovATUs, sp. nov., ç{ . 



A dark species with long ovate body, recalling that of Bombylius: 

 kilimancljaricus and differing from the other species of the })resent 

 group in having the hind femora not spinose below. 



Type (^ , a single, not well-preserved specimen from the Cape,, 

 without special locality. 



Length of body 11 mm. ; of wing 10 mm. Head dark-tawny, 

 grey-dusted, black on the occiput ; this last little developed, clothed 

 with short and dense black hairs above which become very shoi't and 

 brownish below and merge into the less developed beard of a paler 

 colour ; ocellar tubercle black -liaired. Eyes w^th equally small 

 areolets, less approximated, the frons at the narrowest point belug- 

 as broad as the vertical triangle ; it is less broadened forwards, and 

 bears sparse and short, erect black hairs ; face genth^ rounded, clothed 

 like the cheeks with sparse black hairs, with some shorter yellowish 

 ones intermingled. Antennae entirely black, but the first joint 

 pale-dusted, three times as long as the second, clothed on the two 

 sides Avith long black hairs ; third joint as long as the two first joints 

 taken together, not broader at the base than the second, gradually 

 tapering to a short point. Proboscis entirely black, rather thick,. 

 4 mm. long. Thorax, scutellum and abdomen deep black, clothed 

 with rather short dark brownish hairs, which, viewed from the front, 

 are shining-pale ; there are no black hairs intermingled ; the bristles 

 at the postalar cells and at the hind border of the scutellum, like 

 those of the hind border of the abdominal segments, are black and 

 well developed. Pleurae below and breast with greyish haiis ; 

 metapleurae with whitish and black liairs intermingled. Squamae 

 tawny, with short whitish fringe ; haltères yellowish-browu. Venter 

 l)lack, reddish-yellow at base, grey-haired ; genitalia dark red. Legs. 



