K. 
56. 
It. J. 
■ 
•inued work with A. . ld 
! has 
192 
An' us 
of the t aological stations 
• \nn, des Epiphyt, 
•s the continuation of rt | distribution c: 
__|Ji against the woolly apple aphid. 
Del Ci 
lo stu. del 
SI). 
G 
A si. 
I ., (81) 
Insect pests of crops in Eng: ~~ H 
I 
Aphrlinus mali h 
pple aphid. 
■ 
