- 58 
E. J. 
DD1 jents • pples on 
Murrun * . / .-. lies 5 
• . 
n mo> 
it Aphelinu! I been 
during tl • 
F. S. (296) 
Si lies of th<- physical ecology of the woe pie aphis 
( Knosor: .■:.. ■ ■: -urn ) and its .'-linus n 
"Stine, Palestine Agr. Res. Si L. B ll. 43, 20 : : ., 
Ri ■ 
A comfirehensive review of investigations on the bionorr. . 
of E. lanigerum and its introc 11 on apple 
at L ■ fl :n, ne. n, in 1937-40. 
Borg, A. (2 
Om blodlusens overvintring 194G-J7. ^Sweden Vextskyddsi 
1947(6): 81-85. 
Discusses the effect of low winter temperatures of 19 
in Swed woolly ap] and its parasr 
Childs, Lei >8) 
Progress report on the use of DDT as a codling moth S] 
Vt ash. SI •• n rt. Ass< . Pi ■■■• . 42: 
D; p p 1 e aphid to \ 
n Lntn I ed the * "•id 
pa: < :;seast 'US 
th 
Inti '■ ftphelinus mali >ntroll< 
well. DD1 , wh rgely i as 
ttoo\ 
\K . ^9) 
chard, v. 
Biol. Aba, .) 
i ■ ■ 
