98 Miss G. Ricardo on 



segment ; the underside is entirely red with light yellow 

 pubescence, and black hairs at the apex. The wing differs 

 from E. macroptera in the following particulars : — 'Hie base 

 is almost entirely clear, only dark at its root, tlie dark part 

 divided from it distinctly by its straight transverse border, 

 on its upper border where it meets the clear part it does not 

 form an S-shaped line, but a straight one across, not reaching 

 beyond the base of the third posterior cell; the dividing 

 vein between the first and second snbmarginal cells is formed 

 with a sharp angle in its centre ; the shading is brown and 

 the veins brown. 

 Length 13 millim. 



D. "Wings with a black crois-band whicli does not reach the hind border, 

 but unites on the fore border with the extended dark shading of 

 the wing. 



a. Tlie cross-band simple. 



Exoprosopa ignava, Loew, Dipt. Sudafrik. p. 232, tab. ii. 

 fig. 31 (1860). 



Ten females from Pretoria [W. L. D.); Barberton {W. 

 L. D.) ; Warm J3aths, Waterljcrg, 



The stump of the vein emitted into the discal cell is very 

 variable, in some of the specimens not being present at all, 

 or only on one wing, and when present it varies in position. 

 The proboscis, in one specimen at least, is as long as in 

 the figure of Exoprosopa {Litorhynchas) hamatus (Macq,, 

 Dipt. Exot. ii. p. 79, pi. xv. fig. 2), but is identical in all 

 other respects with the others of the series : see Loew, /. c. 

 pp. 223 & 232, on the length of the proboscis, which he does 

 not consider a trustworthy specific character. 



Exoprosopa elongata, sp. n. 



Two males from Pretoria ; one female from Namaqualand 

 ( Cochrane) . 



Black, face with the part bordering the mouth yellow; the 

 underside of abdomen dull yellow-brown, tlic greater part of 

 the scutellum dull red. 



Face dull black, with black pubescence and whitish scaly 

 hairs; the antennje black, the underpart of the third joint 

 yellowish, the third joint nearly as long as the two preceding 

 ones together, the bristle stout, little more than half as long 

 as the third joint. Proboscis not extending beyond the 

 mouth. Hind part of the head with white scaly hairs 

 bordering the eyes, the collar of bright orange-yellow hairs ; 



