148 Annals of the South African Museum. 



little more than half as long as the lower valves, blunt at the tips ; in 

 the male a black ring before the hypopygium. 



Habitat. South Africa. 



Holotype, , Hottentot-Hollands Mountains, altitude 4000 ft., 

 Caledon, Cape Colony, 1915 (Barnard). 



Allotype, $ , 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. 



TRIBK ERIOPTERINI. 



GEN. EEIOPTERA, Meigen. 

 1803. Illiger's Magazine, vol. 2, p. 262. 



SUB-GEN. EMPEDA, Osteu Sacken. 

 1869. Mon. Dipt. N. Am., pt. 4, p. 183. 



ERIOPTERA (EMPEDA) BONAE SPEI, sp. u. 



Light brownish-grey ; hypopygium yellow ; wings light grey with an 

 ill-defined brown stigma. 



Male. Length about 3-3-1 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 apex. Head 

 light grey. 



Pronotal scutum light yellow. Mesouotum light brown with a dense 

 grey bloom. Pleura coucolorous. 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; Sc 2 not distantly 

 removed from its tip, /Scj being about equal to the radial cross-vein ; 

 cross-vein r about equal in length to that portion of R l between it and 

 the fork of the sector ; fused portion of Cu^ and M s shorter than or 

 subequal to the basal deflection of Cu v 



Abdomen dark brown ; hypopygium reddish-yellow. 



Habitat. South Africa. 



