19 4, 
r, E. J. (275) 
Or ts of the Pa> N st and their control. 
I . S. D< pt. Agr. ' ■ . 270: 25-69, illus. R 
States tr successful establishment Linus rr. 
th< P kes spraying for thi -'. of the woo! 
apple aphid unnecessary in pie orchards. also '. 
and 310 .) 
Rahman, K. A., and Abdul Wahid Kahn, M. (276) 
Oi nations on Aphelinus mali Hald. in the Punjab. Indian Jo-. 
- .. 2(3): 446-4. n. 
_A. mali was introduced and became established in the Kulu 
Lej (Punjab). Females refused to oviposit in 13 other species 
of aphids offered them, but a single female parasitized up to 220 
woolly apple aphids. Twigs containing parasites should be saved 
away from trees that are to be sprayed with oil. 
Speyer, W. 
Untersuchungen uber tie rise he Obstach'adlinge und ihre Bekampfung. 
Mitt. Biol. Reichsanst. 63: 78-". Ztschr. 
Pflanzenkrank. 52(2-4): 23 . 
In Poland the parasitism of t! pie aphid I . . . : . 
.1 did no- d 68 : I, since tl rasite require 
m than does the host. 
I '.- i nd irh- 
Mitt. I . R( asanst. 65: 6 fcbs. U . 
Pflanzenkrank. 4.) 
I hi d and it 
Ld in the Lower I 
winter of I I . 
\ 
^n. 
■ . 
■ >ma laiugei-uin , unlll 
i by the h<>t, 'ing, and itta< ks 
