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Woolly aphis is a plant lice. Eggs are attached to twigs during the winter. In the spring soft-bodied, wingless female aphid appear and give birth to young aphids. They suck the juices from leaves or twigs.

Wooly Aphis on Alnus

Woolly aphis is a plant lice. Eggs are attached to twigs during the winter. In the spring soft-bodied,…