9G Miss G. RicarJo on 



C. "\Ving3 with a black cross-band which extends to the hiud border, 

 and unites ou the fore border with the extended dark shading of the 

 base of the wing. 



b. The edges of the cross-band with sharp indentations 

 (proboscis elongated). 



Exoprosopa macroptera, Loew, Dipt. Siidafrik. p. 230, tab. ii. 

 fig. 29 (1860). 



One female from Pretoria [W. L. I).). 



The first two joiuts of the antennae are red, not black- 

 brown as in the type described by Loew ; the red-brown 

 colour mentioned by him as occurring on the breast and base 

 of underside of abdomen is not apparent in this specimen, 

 and there is none on the upperside of abdomen ; the white 

 line on the hind border of the first segment in the type is 

 here on the fore border of the second segment ; a tuft of 

 white hairs on the lower part of the thorax above the base of 

 the wings is very noticeable in this specimen. 



One male from Pretoria {JP\ L.-D.). 



Similar to the above, but it has reddish spots on the sides 

 of the second and third segments, and the face is dai'ker than 

 in the female. 



Exoprosopa nyasee, sp. n. 



Four males and two females from Fort Johnston, Kvasa- 

 land {Rendall). 



Red, with a black dorsal line on the abdomen. 



Face yellowish brown, Avith black pubescence and whitish 

 scaly hairs. Antennae with black hairs on the first two joints, 

 which are red ; the third joint brown ; the bristle is stout 

 and enlarged at the point, and longer than the third joint. 

 Proboscis not quite so long as the fore femora and tibiae 

 together. Hind part of head red, darker in the centre, with 

 white scaly hairs bordering the eyes. The collar is composed 

 of yellow-brown hairs, with a few black ones intermixed. 

 Thorax brown, with black pubescence and bristles and 

 yellowish scaly hairs ; the pubescence on the sides, the breast, 

 and above the halteres consists of yellow-brown hairs and a 

 few black ones, and a white tuft above the base of the wings. 

 Scutellum reddish, black at the base. Abdomen bright red, 

 with the first segment black, and a dorsal black stripe, con- 

 sisting of triangular spots with their bases on the fore borders 

 and their apices on the hind borders of the segments, dimin- 

 ishing in size and extending from the second to the sixth 

 segment, becoming fainter on the last two; the last segment 



