.VrillDID.TS OF FORMOSA. 125 



Japau : Tokyo. 



Callipterus kahawaluokalani (Kirk.) 



(Host plants) 



Loi/ersfwemia india.i ; L-iijrrslrocinia spp. : the k)«'ei' siu'faces of the leaves 

 are attacked. 



(Season when the insect is common) 



Neai' Taiboku this species is not uuc(.)mmou, the greatest abiiudauce some- 

 times occiuring about May, Imt the unraliers Ix'iug sometimes gi-eatly reduced 

 dun'ng Julj- and August. Near Tokyo it is \-ery corumou, luit is not frenueutly 

 of gi'eat abundance. 



(Winged viviparous female) 



All the vivix^arous females are winged. 



(Male and oviparous female) 



The winged males and wingless oviparous females make their occuiTcnce 

 fibout the middle of October near Tokyo, but near Taihoku the males api»ar 

 about the last of the same mouth and the females fi'om the begiuuiug of 

 November on. 



The females ontuuml.).'r the males in Formosa, as vceW as iu Japau. 



In Foraosa almost all the species are vivix^avous tlu'oughout the A'ear, 

 without producing sexual forms, and this Ls the only si^xues wliich is, at 

 present, known to produce the sexuales Lu the fall and to pass the winter iu 

 the egg couditiou. 



(Intermediate) 



No intermediates have l>eeu discoverer!. 



(Distiibntion) 



Japau : Tokyo. 



Formosa : Taihoku. 



Calaphis magnolicolens Takah. 



Japanese Aphidiaae.-^l. p. 27 (1921). fh^^-^^W^^'^ P- ^^ t^^-l)- 



(Host plant) 



3Fa<jnolia liiipohwo : tlie lower surfaces of the leaves are attuckeil. 



