Diptera from South Africa, 99 
the pubescence on the sides of the thorax, on the breast, and 
before the halteres almost wholly yellow; there are a few 
black hairs on the centre of the breast and on the sides of 
the thorax above the yellow ones. Thorax with black 
pubescence and some yellow scaly hairs. Scutelium black 
at base, on the fore border dull red with black pubescence. 
Sides of abdomen with white hairs on the first, and anterior 
border of the second, segment, black on the others. The 
pubescence on the abdomen is black, with white scaly hairs 
on the sides of the segments from the second to the sixth, 
there are red spots to be seen on the second and third where 
the hairs seem rubbed off; underside dull yellow-brown, 
darker at the apex, with long yellow hairs on the anterior, 
and black ones on the posterior, segments, and yellow scaly 
hairs on the basal half. Legs black, with long black 
pubescence on the anterior cox. Wings similar to those of 
E. morosa, Loew (1. c. tab. 11. fig. 30), except in the following 
particulars :—There is no stump of a vein projecting into 
the discal cell; the small cross-vein is in the middle of the 
discal cell and the base of the second longitudinal vein is 
just opposite it; the second, third, and fourth posterior cells 
are about equal in width at their openings ; the dark shading 
from the base extends higher up well over the base of the 
third posterior cell, the clear spot in the second basal cell is 
large and nearly square. 
Length 12 millim. 
Types, male, Pretoria (W. L. D.) ; female, Namaqualand 
(Cochrane) . 
The female is in poor preservation ; the underside of the 
abdomen is black, with long yellow hairs on the basal half 
and black ones on the apex. 
b. The cross-band divided into two parts posteriorly, 
Ezxoprosopa hirtipes, Loew, Dipt. Siidafrik. p. 233, tab. i. 
tig. 32 (1860). 
One female from Durban (WV. L. D.). 
E. Wings with a faint, extremely imperfect, and indistinct band which 
resolves itself into a dark shading of the cross-veins, on the fore 
border it unites with the extended dark shading of the base of the 
wings. 
Exoprosopa dux, Wiedem., Auss. zweifl. Ins, 1. p. 269 (1828) ; 
Loew, Dipt. Siidafrik. p. 235 (1860). 
One male from Pretoria. 
7% 
