Aphididae of Formosa. — I. •'' 



Host. — Saccharum officlnarum, attacking the root. 

 Distribution. — Formosa (Daimokko); Java (v. d. Goot). 

 Hitherto unrecoreded from Formosa. 

 Collected by Mi'. :M. Isbida. 



Paracletus cynodontl (Das.) (PL. xiv, 2, figs. 17-18) 



Peniphlgm? cynodontl, Das, Memoirs Indian Mas., vi, p. 153 

 (1918). 



Host. — Cynodon dactylon- 



Distribution. — Formosa (Taihoku); India (Das.) 



Only wingless viviparous females have been collected by 

 Mr. E. Kurosawa. 



Subtribe Eriosomatlni. 

 Tetraneura javensis, van der Goot. 



Contrib. Fauna Indes Neerland., i, iii, p. 260 (1917). 



Host. — Saccharum officinarum, attacking the root. 



Distribution. — Formosa (Daimokko); Java (v. d. Goot). 



•Hitherto unrecorded from Formosa. 



Only a few wingless viviparous females have been collected by 

 Mr. M. Ishida. 



Subtribe Pemphiglni. 

 Dryopeia hirsida Baker, (PL. xiv, 2, figs. 4-5) 



Mthly. Bull. Dept. Agr. Cahf., vol. x, No. 4, p. 159 (1921). 



The Formasan specimens, I have examined, exactly agree with tlie 

 Philippine D. hirsuta, except that in the former the 3rd antennal joint 

 is more longer compared with that of the latter. 



Host. — Oryza sativa, attacking the root. 



Distribution. — Formosa (Tainan); Philippine (Baker). 



Collected by Mr. Sawada. The winged form has never Ijeen 

 collected. 



Hitherto unrecorded from Formosa. 



