148 Annals of the South African Museum. 
little more thau half as long as the lower valves, blunt at the tips ; in 
the male a black ring before the hypopygium. 
Habitat. — South Africa. 
Holotype, cT. Hottentot-Hollands Mountains, altitude 4000 ft., 
Caledon, Cape Colony, 1915 (Barnard). 
Allotype, 9 , with the type. 
Paratopotypes, 2 $ $ . 
Type in the South African Museum. 
The present form is the first South African species of the genus to 
be discovered. 
Tribe ERIOPTERINI. 
Gen. ERIOPTERA, Meigen. 
1803. Illiger's Magazine, vol. 2, p. 262. 
Sub-gen. EMPEDA, Osten Sacken. 
1869. Mon. Dipt. N. Am., pt. 4, p. 183. 
Erioptera (Empeda) bonae spei, sp. n. 
Light brownish-grey ; hypopygium yellow ; wings light grey with an 
ill-defined brown stigma. 
Male. — Length about 3-31 mm. ; wing 3-9-4 mm. 
Rostrum and palpi brown. Antennae brown, the basal flagellar 
segments large, globular, the segments gradually decreasing in 
diameter and becoming more and more elongated to the appx. Head 
light grey. 
Prouotal scutum light yellow. Mesonotum light brown with a dense 
grey bloom. Pleura concolorous. Halteres pale yellow the knobs only 
slightly darkened. Legs with the coxae brownish-yellow, sparsely 
greyish pruinose ; trochanters yellowish-brown ; femora light yellowish- 
brown, a little darkened at their tips ; tibiae and tarsi dark brown, the 
latter blackened on the apical segments. Wings with a slight grey 
suffusion, the costal region a little more yellowish ; stigma brown, ill- 
defined; veins dark brown. Venation (Plate X, fig. 11), Sc moderately 
elongated, extending to about mid-length of the sector; Se^ not distantly 
removed from its tip, Sc^ being a})out equal to the radial cross-vein ; 
cross-vein r about equal in length to that portion of Ej between it and 
the fork of the sector; fused portion of Cm, and M.^ shorter than or 
subequal to the basal deflection of Ci<^. 
Abdomen dark brown ; hypopygium reddish-yellow. 
Habitat. — South Africa. 
