94 Miss G. Ricardo on 



Exoprosopa pnrva, sp. n. 



Two males and two females from Pretoria and Pienaars 

 River {IV. L. D.). 



Black, with red face, scutcllum, and sides of abdomen. 



Face black iu the centre, with long white hairs and 

 yellowish scaly hairs ; forehead I)lack, with black pubescence 

 and yellowish scaly hairs. Antennse black, the first two 

 joints with black hairs, thickest on tlie lower side. Proboscis 

 not extending beyond the oral opening. Hind part of head 

 ■with silvery-white scaly hairs, the collar composed of 

 brownish-yellow hairs, becoming white below. The thorax 

 has some yellow-brown scaly hairs, with long yellowish 

 hairs on the shoulders and at the sides, and white ones at 

 the base of wing and on the posterior half; the pubescence 

 on the breast-sides consists of white hairs, with some yellow 

 ones intermixed. Scutellura red, black at the base, with 

 yellowish scaly hairs and white pubescence, bordered with 

 black bristles. Abdomen blue-black, from the second seg- 

 ment onwards bordered laterally with red, with bhtck pubes- 

 cence and yellowish scaly hairs, the latter being thickest on 

 the sides ; on the anterior border of the second segment is 

 a narrow band of white hairs and on the posterior margin of 

 the last segment a yellowish white fringe of hairs : the hairs 

 at the sides of the abdomen are whitish, thickest on the first 

 two segmeiits ; some black hairs are intermixt.d on the last 

 segment^. Underside of abdomen red, with whitish pubes- 

 cence. Legs red, all the coxae, the anterior femora, the apex 

 of the anterior tibiae, and all the tarsi black; the pile on the 

 legs is whitish. 



Wings grey, with faint brown shading on the fore border, 

 much fainter than that of eluta, Loew, not reaching beyond 

 the second basal cell, from the apex of which it extends in a 

 sloping line to the fore border where the auxiliary vein ends; 

 veins brown^ the base of the second longitudinal vein is just 

 below the small cross-vein, the first posterior cell is somewhat 

 narrowed at its opening, the second and third about equal in 

 width. In the second male specimen the shading of tne wing 

 is fainter than in the type. 



Length 9 millim. 



Type (male), Pretoria [W. L. JJ.) ; type (female), Pre- 

 toria [W. L. D.). 



The two females I believe to be the female of this species 

 vary thus from the males : — The first two joints of the an- 

 tennae are reddish ; the abdomen wholly black, with the 

 exception of a square red mark on each side of the second 



