Alder sucker
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Symptoms
White wooly wax appears on the twigs of the alder from late May onwards. This pest may stunt growth, but is seldom so troublesome.Spot them
Sap-feeding insects 2-3 mm long. Nymphs have wide, flat bodies, large eyes and wing buds. Adults have two pairs of wings and can jump and fly.Discuss Alder sucker with other Shoot members.
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