456 Mr. G. Meade-Waldo on 



•without any lamellar process at 

 apex; terminal joint of flagelluni 

 normal. Length 11 mm rubella, Smith =pulchri- 



tarsis, Cam. (Gambia, t., Lake Nyasa, Port. E. 



Afr. (Xeave), S 2'j Natal {Creyoe) ; Transvaal 



(t. oi pulchrifarsis).) 



7. (6) Wings light fuscous, darker towards 



apex ; hind tibiae with a lamellar * 

 process on the inner side ; terminal 

 flagellar joint spatulate, basally con- 

 stricted. Length 13 mm strenua, Cam. (Trans- 

 vaal, t.. Port. E. Afr., and Nyasaland {Neave); 

 Matabeleland [Dr. II. Sivale).) 



8. (3) Tegument of abdomen mostly dark ; 



hind legs simple, not swollen. 



9. (10) Wings hj'aline, the tip very mark- 



edly fuscous. Length 10 mm nubecula, Smith. (Si- 

 erra Leone, t., Uganda {Gowdey, W. P. Lowe 

 Neave), $ $ .) 



10. (9) "Wings unicolorous, hyaline or sub- 



hyaline. 



11. (12) Larger: length 12mm. Apical seg- 



ment with two small teeth testacea (Smith). 



12. (11) Smaller: about 7 mm. No apical [(" Africa," t.) 



teeth. 



13. (14) Comparatively stout species ; the ab- 



domen with tegumentary fascife ; 

 scutellum with two blunt tubercles ; 

 frontal pubescence whitish 7-u/itarsis, Smith. (An- 



gola, t., J; Nyasaland (Neave), (S ?; Matabele- 



land (Sicale).) 



14. (13) Slender species ; abdominal fiisciae 



not tegumentary. 



15. (16) Frontal pubescence golden ; post- 



scutellum covered with dense pale 

 pubescence ; stigma and nervures 

 pale testaceous cinerascens, Westw. 



(Natal, t., Dui'ban (Muir) ; Nyasaland (Neave) ; 



Transvaal (t. of leviannulatiis).) 



16. (15) Frontal pubescence whitish ; post- 



scutellum bare ; stigma and ner- 

 vures dark clavata. Smith. (Sierra 



[Leone, t., N. Nigeria (Macjie).) 



17. (18) Anterior tarsi flattened, lamellate, 



ivory-white ; frontal pubescence 



golden ; abdomen parallel-sided. 



Length 10 mm pateUifera, Westw, 



(Cape of Good Hope, t., Durban (Muir) ; Mata- 

 beleland (Swale), ^ $; Nyasaland, German East 

 Africa (Neave).) 



18. (17) Anterior tarsi simple, not lamellate; 



species with tegumentary or pubes- 

 cent fasciae on abdomen. 



19. (22) Mesonotum almost bare of pubes- 



cence ; legs entirely red. 



20. (21) Tergites 3 and 4 with very coarse 



rugose punctures along the apical 



