Woolly apple aphid
General The woolly aphid, Eriosoma lanigerum , is a serious worldwide apple pest. It is probably of North American origin and has been distributed to other [...] autumn but their eggs do not develop. Contrary to the situation in America, South Africa, and Australia, woolly aphid does not infest roots in Europe (except [...] few wingless egg-laying females are produced in autumn but their eggs do not develop further. Adult viviparous (wingless) females of the woolly aphid are