46 R. Takahaslii 



ill Marcli 1918. 



Ap/iix (/osKi/pii Qlov. rar. callicarpae Ji. v. 

 (PL. V. 1, fig?. 1-0 and PL. xii. 1, Fig? 1-8 



Tliis variety differs from A. gosK.yjiii in tlie following points : 



(1) AI)doiiH'ii orange yelliiw. Head. ]iro- and niesotliorax and liind 

 liair (>f the abdomen dark green. 



(2) The relative length of antenna! joints of the wingx'd viviparous 

 female as [..Hows : 111—3^. IV— 20, V— 20. VI— .".C (14 + 42). 



H ost . — ( 'allicaapu formosana. 

 Distrihntion. — Formosa (Taihoku). 



The winged form is very cum in on. 



Aphix malvae, Koch. (PL. xi. 2). 



AphUmalvae, Koch, Me Pflanz. p. 125. f]g^^. 169-170(1857); Das, 

 Mem. Tn.l. Mus. vi. p. 21:5. pi. .xxv, figs. 9-16(1918). 



Aphis cucurbUi. Buckton, ^fonog. P>r. Aphid. H. jx 50. pi. Liv, 

 figs. 1-2(1877). 



Aphis possypii van der Qoot, Cuntrih. l-'auna Ind. Xeerland. i. iii, 

 ]). 9.'! (1917). 



Hosts. — Durrdnfd phinticri: Chroihiithon rrj/phi/Ilin)! ; Cvcumis 

 satint: (.'olocasid sp. 



J.)istrihution. — Fonno.sa (4'aihoku): Japan (T(dvyo). 

 India (l>as): Java (v.d.(T.); Europe. 



Ilithertu unreeordeil from Formosa. 



Aphis medica(/i/iis Koch. 



Aphis medicaginix, Koch, I'llanz.. |>. '.14. pi. xvii. figs. 125-126 

 (1857); Gillette, .lour. Econ. Fnt.. i. pp. 177-178(1908); Essig, Pom. 

 Ooll Jour. Ent.. iii. p. 527 (1911): Theoblad, Hull. Ent. Research, 

 vi, p. 12S ():M5): van der Goot, ('..ntrih. Faun. Ind. Neerland., i, iii, p. 

 i)8(l917): Das, Mem. Ind. .Miis., vi, p. 203(19is); Essig and Kuwana, 



