﻿28 AniKiJs of tlip SnutJi African Museum. 



white- scaled ; tarsi blackish at end ; hind femora with some long 

 spines underneath ; claws black, very long-. Wings with black and 

 long basal comb ; upper branch of the cubital fork retreating at base ; 

 first posterior and discoidal cell very short, discal cross-vein set after 

 the middle of the discoidal cell ; anal cell closed at end. Wing 

 pattern as in cajwnsis, but no hyaline spots at end of the marginal 

 cell and no brown spots along the hind border. There is a second 

 male specimen in which the hairs of body are shiny white instead of 

 yellowish, and the peristoniial bristles are black; the bristles in the 

 fore part of the thorax are black ; the anal cell is broadly open. 



BO^IBYLIUS PUNCTIFEU, Sp. UOV., 9 ■ 



Distinct from the other species with punctate wings and with black 

 spinose legs, owing to the marginal cell being hyaline at end ; it is 

 perhaps referred by Macc^uart to the varieties of his B. servillei. 



Type $ , and an additional specimen of same sex from Namaqua- 

 laud, O'Okiep (Cape), September, 1890 (R. M. Lightfoot). 



Length of body 10-11 mm. Head black; the eyes are moderately 

 separated for a female ; hairs white, the bristles long and all black, 

 except a few yellowish ones at vertex. Third antennal joint linear, 

 with a very short style ; proboscis black, o'5 mm. long. Thorax and 

 scutellum black, clothed with whitish, sericeous hairs ; thoracical 

 bristles yellow, only a black tuft before the root of the wings and a 

 few in front ; scutellum marginated witli yellow l)ristles. Squamae 

 dark, fringed with long, silvery hairs ; haltères blaclvish. Abdomen 

 black, clothed with hairs like those of the thorax, with only a few 

 black hairs towards the end luiderneath ; bristles black and longer 

 than the hairs, which are tuft-like at end. Legs yellow, with black, 

 white-scaled femora and black-ended tarsi ; the spines ai-e black, and 

 very strong and long, chiefly those on the hind tibiae ; hind femora 

 with 5-6 spines underneath ; claws short, black. Wings Avith a long- 

 stalked first posterior cell and very obtuse and short discoidal cell ; 

 discal cross-vein a little after the middle of the discoidal cell. Basal 

 cornl) strong, black ; costal vein white-scaled to the end of the first 

 vein. The wings are very little infuscated towards the base and 

 along the fore border ; the marginal cell is entirely hyaline after the 

 end of the first vein ; the greater brown spots are on the discal cross- 

 vein and on the base of the upper branch of the cul)ital fork ; the 

 medium-sized spots are on the cross-veins closing outAvardly the second 

 basal and the discoidal cells ; the smallest ones are on the base of the. 

 tliird posterior cell and at the end of tlie first posterior cell ; these two- 



