Woolly apple aphid
(wingless) females of the woolly aphid are 1.2-2.6 mm long, purplish brown and covered by masses of white, mealy wax. The siphunculi are pore-like and the cauda [...] is small. Eriosoma lanigerum overwinters as “naked” nymphs (without wax covering) on apple trees sheltering in cracks and under loose bark. The nymphs become [...] (in the northern hemisphere) and around the end of May, large colonies covered by conspicuous white, sticky “wool” can be seen, mainly on spurs and branches