AFRICAN APHIDIDAE — PART II. 153 



New Localities and Food-plants. 



Macrosiphum rosae, L. 



Bull. Ent. Res., iv, p. 333, fig. 14 (1914). 



Egypt : Gizeh, 1907 and 1909, on roses, and Ghezireh, 25.111.09 (red and green 

 forms) (F. C. Willcocks). 



Rhopalosiphum dianthi, Schrank. 



Bull. Ent. Res., Iv, p. 320 (1914). 

 Egypt: Gizeh, 27.iii.13, on potato; 19.11.10, on peach; iii.lO, on apricot 

 (F. C. Willcocks). Transvaal: Onderstepoort, 28.vii.14, on tohsicco {G. Bedford). 



Aphis gossypii, Glover. 



Bull. Ent. Res., iv, p. 321, fig. 5 (1914). 



Egypt : Gizeh, 19.xii.l2, on maize. 



Mr. Willcocks sent me shdes of what apparently looked Hke two cotton aphids, 

 one of which he called the large cotton aphis, the other the small cotton aphis, these 

 having been taken together. On examining them I find they agree exactly 

 in structure and there is no doubt they are both Aphis gossypii, Glover. The smallest 

 alate females were only 1 mm. long, the largest 2*0 mm. 



Aphis tavaresi, Del Guercio. 



Bull. Ent. Res., iv, p. 323, fig. 6 (1914). 



British East Africa : Kabete, 5.1.11, on Jamaican Kme (T. J. Anderson). 



The wings of the alate viviparous females are tinged with brown. This species 

 gives a deep port-wine colour to alcohol. 



Aphis rumicis, L. 



Bull. Ent. Res., iv, p. 329 (1914). 

 Egypt: Ghezireh and Marg, 31. ill. 09 and 10.iv.09, on docks {Rumex sp.) and 

 poppies (Papaver). — {F. C. Willcocks). 



Aphis (Myzus) nerii, Boyer. 



Bull. Ent. Res., iv, p. 329 (1914). 

 Transvaal: Pretoria, 3.iv.l4, on oleander (Nerium oleander). 



Toxoptera graminum, Rondani. 



Bull. Ent. Res., iv, p. 333, fig. 14 (1914). 



Egypt : Gizeh, on wheat {F. C. Willcocks). 



Willcocks gives the colour as dark green, which does not agree with the usual colour, 

 but I cannot separate his examples from the European and American specimens 

 which I have. 



