I 4 K- Takaluishi. 



Front tibiae much longer than the cornicle; tarsi imbricated, hind tarsi slightly 

 lonjjer than the 3rd antenna] joint. 



Lensth of bodv — about 1.6 mm. Antenna — about 1.15 mm. 



( Jomicle — about 0.35 nun. 



Host. — Malus formosanus, attacking the leaf. The infested leaf is rolled. 



Distribution. — Formosa : Tattaka (altitude about. 7330 feet) in Taichu- 

 nrefecture. 



Hitherto unrecorded from Formosa. 



Some apterous tonus were collected by the author on Slay 18. 1924. 



Myzus momonis Mats. 



Aphididae of Formosa, part 2, pp. 25 and NO (1924) 



Many apterous viviparous females, which were dark green in general colour, 

 were collected by the author in the rolled leaves of Prunus persica at Sakuraonsen 

 and Baikei in May, 1924. The cornicles of this aphis are provided with a few 

 verv short setae. These setae are removed in the figures 7. 8. 9. and 14 of the 

 plate V in the farmer paper (Aphididae of Formosa, part 2). 



Myzus sp. 

 Wingless viviparous female 



Dark green. Body oval, without hairs. Antennae almost as long as or 

 shorter than the body, imbricated, provided with a few very short setae ; the 3rd 

 joint without sensoria ; the relative length of joints about as follows: 111-65, 

 1V-40. V-:;."). VT.-10G (17 + 89). Cornicles very long and slender, cylindrical, 

 expanded toward the base on the basal portion, not curved, roughly imbricated. 

 not reticulated, almost as long as the distal part of the last antennal joint, more 

 than .", times as long as the cauda, the distal part almost as stout as the hind 

 tibia. Legs very long and slender, femora imbricated, tibiae provided with some 

 setae mostly on th distal half. 



Length of body — about 1.5 mm. 



1 1 1 ist . — Siegesbechii t orientalis. 



Distribution. — Formosa : Taihoku. 



Hithero unrecorded from Formosa 



Two specimens were collected on April !•">. 1.922. 



