If' 
/Results o:~ rnatis is n .. U ea7 
r. tt }■: . ~ 
Rej rts the mass breedir. . mall in Crimea, whe: id 
been successfully introduced in 1933. Liberate M iOO 
acre.s r 14,800 tg woolly apple aphid 
•ation by 70 to 80 perce/ t. 
Clausen, C. P. (216) 
Ins' ->itism and biological control. Ent. Soc. An. on. 
I -223. 
Discusses the relation between chemicals and biological con- 
trol and reviews the work on this subject by Jancke and by Noble, 
with reference to Aphelinus ma its host, the woolly apple 
hid. 
Delia Beffa, G. (2 
Relazione sull attivita del laboratoria e K. Osservatorio di 
1 .• • logia di Torino nell'ani.o 1935. 11 pp. 
Reports the reintroduction of Aphelinus mall into the Piedmont 
region and elsewhere dun tr. 
De Santis, L. -8) 
I. isitos e hiperparasil ^entinos de los insect 
pr< a La agrici Ltura | H;- menopt 
Un parasit cochinilla blai del rosal. l n 
sito secondai luenos Aires .) 
I il. de Agr. 16(1 1): 
Thi alid h ' ■-■.: '■•■ ■ j -is 
i , which had "d 
. Aphel mus m. ih . 
... Z. 
i I Blu1 ■' In Sud 1 > 
_ 
i ■ j 
thai LI should 
