the ApiiUe in the British Museum. 455 



An interesting new species of the sul)genus Mefjanomia is 

 described below. 



Key to Ethiopian Noniia in the British Museum. 



$$. 



1. (4) Tegulse enlarjred. 



2. (}'>) Te;.aimeiit black and red, median seg- 



ment evenly punctured ; wings 



clear hyaline. Lengtii 10 mm. . . nilotica,^n\vih. (White 



3. {'2) Tegunjent black, median segment [Nile, t.) 



basally imimnctale, dull ; wings 

 subhyaline, more fuscous towards 

 ape.x. Length 8 mm teyulata, Smith. (Sierra 



4. (1) Teguhe normal. [Leoue, t. ; Durban.) 



5. (0) Tegumeui of abdomen red, with some 



black markings basally. Length 



9 mm fausta, Smith. (Natal, 



6. (o) Tegument of abdomen otherwise [t.) 



coloured. 



7. (8) Abdomen with broad apical tegu- 



mentary fascije, yellowish white ; 

 facial pubescence whitish. Length 

 9 mm Candida, Smith. (Sierra 



Leone, t., Lagos {Strachan) ; Salisbury {G. A. K. 



Marshall) ; Nyasaland {INeave, Stannu^) ; British 



East Africa {Neave, It. C. Wood) ; Abyssinia, 



Ilarrar {Kristensen).) 



8. (7) Abdomen with pubescent fascia), face 



with fulvous-golden pubescence, 



9. (10) Apices of tergites only laterally pubes- 



cent ; wings clear hyaline : a small 



slender species. Length 6 mm ai'rifrons, Smith. (Si- 



10. (9) Tergites 2-5 with broad apical fasciae [erra Leone, t.) 



of golden pubescence; wings slightly 

 fuscous : a larger, more robust 



species. Length 10 mm fulvohirta, Smith. (Si- 

 erra Leone, t,, Lagos (J. A. de Gaye).) 



66. 



1. (2) Tegul* enlarged; black,abdomen very 



coarsely j)unctured, with pale pubes- 

 cent fascias. Length 8 mm anomula (W. F. Kirby). 



(Socotra, t., Mozambique, and Durban {Midi), 

 cJ $ ; N. Rhodesia {Silverlock)^ S $ ; Abyssinia, 

 Harrar {Kristensen).) 



2. (1) Tegulse normal. 



3. (8) Tegument of abdomen for the most 



part red. 



4. (5) Hind legs simple, not swollen, the 



tibioe conspicuousl}- serrate on the 

 outer side ; wings subfuscous, the 



basal half paler. Length 9 mm. . . ?erra^u/a. Smith. (Na- 

 tal, t., Nyasaland {Neave).) 



5. (4) Ilind legs abnormally swollen. 



G. (7) "Wings dark fuscous ; hind tibiae 



