28 E. Takaliasln. 



1924, at Sankakuho- 



Cavariella japonica Essig et Kuw. 



Siphocoryne japonica, Essig and Kuwana, Proc. California Acad. Sc., 4tli 

 ser., vin, 3, p; 66 (1918) 



Host. — Sallx sp. 



Distribution — Formosa: Sankakuho (altitude about 7500 feet) in Taiehu- 

 prefecture. Japan. 



Hitherto unrecorded from Formosa. 



A winged viviparous female was collected by the author on Salix sp. in 

 May 1924. This aphis was found on Angelica polymorpiia (Umbelliferae) in 

 Japan and seems to inhabit both the Umbelliferae and Salix like the European 

 species, C. capreae Fah. 



Aphis gossypii Glov. 



Syn. A. tectonae, van der Goot, Contrib. Fauna Ind. Neerland. 1, 3, p. 

 Ill (1916) 



A. shirahii, Takaha-hi. Aphididae of Formosa, part 1, p. 58 (1921): 

 Philippine Jl- So., xxi, no. 5, p. 421 '1922) and Aphididae of Formosa, part 

 2, p. 109 (1923) 



A few winged and apterous females were collected mi Cnsuarina equisetifolia 

 at Kagi, Formosa, on May 28, 1924. 



I observed many apterous and winged viviparous females on Tectona gfandis 

 at Kizan, Formosa, on November 1, 1923. 



Toxoptera scirpi Pass. 

 (PI. II. P.. figs 3-8) 



Bull. Ent. Sue. Italia, vi, p. 137(1874): Phillips and Davis, I". S. Dept. 

 Agr. Bur. Ent.. Tech. series. 25, pt. 1. p.. 8 (1912); Del Guercio, Redia, xn. 

 p. 230 (1917): Mordvilko, Lea Pucerons des Graminees, 1. p. 48 (1921) and 

 Bull- Ent. Research, sm, p. 29 (1922). 



Host. — Scirpus lacustris. 



Distribution — Formosa: Sakuraonsen in Taichu-prefecture. Europe. 



Hitherto unrecorded from Formosa. 



