Woolly aphid

Woolly aphid is common on edible and ornamental apple trees, pyracantha and Cotoneaster horizontalis. The insects produce a white waxy 'fluff' that can be mistaken for fungal growth.

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Woolly aphid

Quick facts

Common name Woolly aphid also known as American blight
Latin name Eriosoma lanigerum
Plants affected Edible and crab apples, pyracantha and Cotoneaster horizontalis
Main symptoms Lumpy swellings on the bark and, in summer, colonies of aphids covered in white fluff on the trunk and branches
Caused by A sap-sucking insect (aphid)
Timing April-October

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