— II — 



4. — Wings light yellow, the costal cell yellowish; a conspicuous dark 



brown seam along the cord; legs yellow, the tips of the femora and 

 tibias narrowly brownish black. 5 



Wings with the costal région infuscated, especially distally; legs 

 dark brown with only the fémoral bases pale. 5 



5. — Médian praescutal stripe entire; abdominal sternites with a nearlv 



continuous brownish black stripe. (Uganda). 



C. angustifasciatus Alex. 

 Médian prescuta! stripe split by a pale line; abdominal sternites 

 with délicate, interrupted brown dashes on the sternites. (Uganda). 



C. a. interruptus Alex. 



6. Wings streaked longitudinally with brown, the costal région infus- 

 cated, interrupted at the stigma by the pale yellow subcostal cell. 

 (Uganda). C. palliais ligma Alex. 



Wings clouded and banded along the cord; costal région infus- 

 cated, the stigma dark brown. (Ashanti-French Congo). 



C. brevicellula Alex. 



GENUS CONOSIA VAN DER WULP. 



CONOSIA IRROTATA (Wiedeman). 



1828 Limnobia irrorata Wiedemann; Aussereur. zweifl. Ins., 1 : 574. 

 This fly has a tremendous range throughout the tropics and warm 

 temperate régions of the Old World. The following unrecorded sta- 

 tions for tropical Africa may be given : 

 Nigeria : Yaba, Lagos (W. M. Graham); British Muséum. 

 French Congo : South-east of Lake Tchad, June 1910 (R. Gaillard); 



Paris Muséum. 

 Belgian Congo : Lubumbashi, Katanga, ii° 45' S., 27 40' E., January 



8, 1920 (Mich. Bequaert); Congo Muséum. 

 Portuguese Congo : Landana 5 15' S, 12 15' E., August 1913; Ame- 



can Muséum of Natural History. 

 Abyssinia : Mission de Bonchamps, 1899 (Ch. Michel et M. Potter); 



Paris Muséum. 

 Uganda : Mabira Forest, Chagwe (S. A. Neave); British Muséum. 

 British East Africa : Environs of Nairobi, i9i2(Vcte. de Poncins et 



Cte. de Lambertye); Paris Muséum. 

 Nyasaland : Mt. Mlanje (S. A. Neave); British Muséum. 

 Central Angoniland, Dedza District (S. A. Neave); British Muséum. 



