AFRICAN APIIIDIDAE. 



323 



Aphis pomi, de Geer (The Green Apple Aphis). 

 Aphis malt, Fabricius. 

 Aphis malifoliae, Fitch. 

 Aphis pyri, Kittel. 

 De Geer, Ins. iii, p. 53, pi. iii, figs. 18-26 (1773) ; Fabricius, Syst. Ent. 

 p. 737(1775); Schrank, Fn. Boica, ii, 1, p. 116 (1801); Latreille, Gen. Crust. 

 iii, p. 173 (1802); Kaltenbach, Mon. Pflanz. i, p. 72(1843); Walker, Zoning, 

 vi, p. 2281 (1848), and Ann. Nat. Hist. (2) v, p. 269 (1852) ; Fitch, The Senate, 

 no. 30, p. 65 ; Buckton, Mon. Brit. Aph. ii, p. 44, pi. 1 (1877); Dewar, Farmers' 

 Bulletin, Orange R. Col. viii, p. 12 (1905) ; Theobald, Insect Pests of Fruit, 

 p. 133, figs. 105-108 (1909). 



Orange Free State (Dewar). — Europe, Japan and America. 

 Food-plants : Apples. 



The only African record is Dewar's, but Lounsbury refers to the ova being 

 found on imported stock. 





uiimia 





Fig. 6.— Aphis tavaresi, Del Guercio ; alate $ , (A) head and antenna, (B) cornicle, (C) cauda, 

 (D) papilla on hind wing, and (E) hind tarsus ; (F) head and antenna, and (G) cauda of 

 apterous 9 ; (H) hind leg of oviparous $. 



Aphis tavaresi, Del Guercio (The Black Citrus Aphis). (Figs. 6, 15.) 

 Del Guercio, Broteria, vii, p. 143, pi. xvi, figs. 1 & 2 (1908). 

 Alate viviparous female. — Dark brownish to black ; cornicles and cauda blacks- 

 antennae dark brown with two pale bands ; legs with dark femora and a dark 

 band at the base and apex of the tibiae and dark or paler tarsi. Wings with 

 yellowish brown veins and pale yellowish brown stigma. Head flat, with a pale 

 median round spot, slightly raised at the base of the antennae, with four pale fine 



