332 



FRED. V. THEOBALD- 



Specimens sent me by Mr. Willcocks exactly agree with British examples. 

 The species appears to be common on rushes and plums in and near Cairo. 



Toxoptera theobromae, Schouteden. (The Cocoa Aphis.) (Figs. 12, 15.) 



Schouteden, Ann. Soc. Ent. Belg. p. 38 (1906). 



S. Nigeria (A. D. Peacock) ; Kamerun : Moliwe, Mabeta, Victoria and 

 Bibundi (Bnsse) ; French Congo (Heim) ; Uganda: Kampala, 1. vii. 12 

 (C. C. Gowdey). 



a Hi C'T^ZFX^^ — ) 



01 ?Mmi^jM 



.i,'i >nl ix'i '.J.f v* 



Fig. 12. — Toxoptera theobromae, Schout., alate 9 j (-A.) head and antennae ; (B) cornicle ; 



(C) cauda. 



Food-plant : Cocoa (Thcohroma cacao). 



This appears to be the common Cocoa aphis in Africa. I believe it is also 

 found in the Belgian Congo. 



Toxoptera aurantii, Boyer. (The Black Citrus Toxoptera.) (Figs. 13, 14.; 



Boyer, Ann. Soc. Ent. France, (1) x, p. 178 (1841). 



Nyasaland : Blantyre, vi. 1910 (Dr. J. E. S. Old) ; British East Africa : 

 10. i. 12 (T. J. Anderson). — Southern Europe and India, 



^M^SJTTM 



-"^mtm&Aw 



s^^iLjX 



o 



\>" J II 



1 b 



Fig. 13. — Toxoptera aurantii, Boyer, alate £ 5 (A) head and antennae : (B) cornicle : 



(b 1 ) surface of cornicle. 



