6Nicholas A H, Spooner-- Hart R N, Vickers R A. Abundance and natural control of the woolly aphid Eriosoma lanigerum in an Australian apple orchard IPM program[J]. BioControl,2005,50(2) : 271- 291.
7Ateyyat M A, AI--Antary T M. Susceptibility of nine apple cultivars to woolly apple aphid, Eriosoma lanigerum ( Homoptera: Aphididae) in Jordan[J]. International Journal of Pest Management. 2009,55 (1) : 79-84.
