I . 
'..;'■. Ital, 
Id winters a summers, Aj 
n rol the woolly id. It withstands I 
;. if still within its host. 
chal, P, *2) 
Les enemis du pu onditions biologiques et 
: 5a multiplication. Trai* ... des 
Epiphyt. 15(3): 125-181. 
t, mostly taken from the literature, of the intro- 
. and establish:: • : Aphelil n ;li fro: " rth Am- I . 
in 1920 and 1921, and its S] i distribution in France up to 
l!*2H. II also gives notes on its distril itioi ::-. various ; arts of 
the world, with notes on its biology. Records of its occurrence 
in other species of aphids than Enosoma lar.itzerum are proba: 
Lfication. 
Regmrr, R. 33) 
E* • lei de la question de 1' acclin. r / j Ii, 
paras. \ cain du puceron lai 
Pomol., G pp. 
•es thai the i Lixnate :.dy, northern Fi .nd 
gland is not so fa. lishm- li 
that of th< M Ion, which is n 
. S 
. 
host is 
V • ■ bl< . E. P. 
■-• 
ill m.). I ■• ' • >'' . (26): 21 
mends introduct 
Colui •• aphid. Th 
