Crimson Erineum Mite

By The Old House Web

Crimson Erineum Mite

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Crimson erineum mites are closely related to bladder gall mites. Silver maple is most commonly affected but so are Norway maple and boxelder.

The mites overwinter in protected places on the bark of tree trunks. In the spring they move to the developing leaves. The mite begin to feed causing the formation of red, felt-like patches on the undersides of leaves. Eggs are laid in the galls and the resulting offspring move to unaffected leaves and cause more galls to form. The mites stop infesting new leaves in mid-summer.

Leaves closest to the overwintering sites are most heavily infested. Control measures are usually not needed.

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Crimson erineum mites - 45K
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