Host Plant:
Boxwood Psyllid
Damage:
Cupping and curling of new terminal leaves. Young leaves curl, cup, and turn yellow creating a protective pocket for the nymphs. Nymphs create a white, cottony-like, waxy secretions on the leaves. This damage is noticeable in the early spring to early summer.
Description and Lifecycle:
They overwinter as eggs under bud scales. Eggs hatch in April/May, and nymphs feed until late May/June, when they become winged adults. Only one generation per season.
Control Measures:
Natural predators like ladybugs and lacewing flies. Insecticide in the spring and clipping the boxwoods to remove the damage and the egg masses.
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