96 Miss G. Ricardo on 
C. Wings with a black cross-band which extends to the hind border, 
and unites on 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. 11. 
fig. 29 (1860). 
One female from Pretoria (W. L. D.). 
The first two joints of the antenne are ‘red, not black- 
brown as in the type described by Loew; the red-brown 
colour meutioned 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 (IV. L. D.). 
Similar to the above, but it has reddish spots on the sides 
of the second and third segments, and the face is darker than 
in the female. 
Exoprosopa nyas@, sp. 0. 
Four males and two females from Fort Johnston, Nyasa- 
land (Rendall). 
Red, with a black dorsal line on the abdomen. 
Face yellowish brown, with black pubescence and whitish 
scaly hairs. Antennee 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 tibize 
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. 
Seutellum 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 
