AriiiDiD.i: 1)1^ I'c )r>Jii )SA. nj 



(Intermediiito) 



No iutennediates liav-' lx?eu t'.niKl ;is in otboi- species uf Grcenuhrr. 



(Commiiual liio) 



A few wingless Yivipjxnjns females weiv observed amoug groups of G//nai- 

 hifhr'qis Uxli Zimm. feocliug ou Ficus rctma, on Novemljer 11, 1920, nenr 

 Taihoku. 



Grecnklca aud Eidricliosi'ijhum are usually not att3uded by auts, but this 

 spades is quite rai'ely visited by Crciiudogadcr roijenhoferi. 



(Disti'ibutiou) 



Formosa : TaOioku, Urai. 



Greenidea kuwanai (rergaude) 



(Host plants) 



Quercus acuta, Q. cri-sjndo, Q. dadda, Q- <ilaa(hj]ifcrii, Q. serrcd", Q. 

 variahilis, etc. : the youug shoots of all ar^ attacked. 



(Season when the insect is common) 



Near Tijkyo this aphis may ba very commonly seen from the last of Miy 

 ou, the greatest abundance occuning iu May and Jime, but the numbers 

 being gi-eately reducefl fi'om the last of July onward though(jut August. 



(Winged viviparoiLS femnle) 



The winged forms are produced commonly in the second and tlu; following 

 generations 



(Male and oviparous female). 



Tlie oviparous females, Avhich are winged, (jccur iu November aud DeC(>mlHU' 

 The males have never beeu discovered. 



(Intermediate) 



No intermediates have l3eeu noticed. 



(Distribution) 



Japau : Tcjkyo. 



Greenidae tenuicorpus (Okaj.) 



L(:(jcrslr(Xmia indim : a winged vivixisu'oas female fomid ou the young 

 leaf on .June 1-3, 1910, near Tokyo, soen:is to belong to this sixties. 



