Aphidklae of Porumsa. — I. 4 J- 



than or as long as the spur (15) 



The 3rfl antennal joint of the wingless vivipardus female shorier 



than the spur J. tiudrar Koch. 



(15) Wingless viviparous females :laik hrown or Mack 



A. medicaglnis Koch. 



Wingless viviparous females yellow, green or dark green. .. (Ui) 

 (ifi) Rostrani of tlie winged female reaching the hind legs 



A. goKsyp.^ a Glo\e. 



Rostrum of the winged femaii/ not reaching the hind legs... (17) 

 (17) Yellow or 3^ellowish green A. pom i De Qeer. 



Orange yellow or dark green A. suliceti Ka\t. 



Aphis gossypii Glove. 

 Glover, Kept. Dept. Agr. U.S.A. jt. .'JG (1S7(;;); Pergande, Insect 



Life, vii. pp. :;09-315 (1895): Gillette, .Jl. P:eon. Ent., i. pp. 17(:;-],s] 

 (1908); Fullaway, Ann. Repr. Hawaii Agr. Plxp. St. for 1909, jk 39 

 (1910); Theobald, Bull. Ent. Research, iv, p. 3l!1 (1914); Maki, .\gr. 

 Exp. St. Formosa, I!ull. 103 (191G): Matsumura, Jl. Coll. Agr, 

 Sapporo, vii. pt. G. p. 357 (1917); Das, Mem. Ind. Mus., vi, p. 219 

 (1918); Essig and Kuwaoa, Proc. Calif. Acad. Sc, 4th ser.. viii. No. 

 3, p. 68(1918); Swain, Univ. Calif. Puh. Tech. ser. Coll. Agr., Agr. 

 Exp. St.. iii, i, p. 105 (1919); Paddock, Texas Agr. Expt. St. Bull 257 

 (1919) 



Hosts. — Bidens pilosa ; Ilibiscus rosa- sinensis ; Pirus serofina ; 



Acanthopanax acideatum ; Papaver so-mniferum ; Gnaphalium 



japoaicum- 

 Distribution. — Formosa (Taihoku, Taichyu) ; Japan (Tokio ; 



Sappoio). 



India (Das & Lefroy); Ceylon (v. d. Goot); Hawaii 



(Fullaway); Africa (Theobald); Europe; North Ainerica ; 



Malay (Jab ore) 

 Dr. Shiraki collected some females on Papaver at Kagi, Formosa, 



