Grapevine blister mite

During the summer foliage of grape vines can become distorted and the underside of leaves covered with a dense coating of fine hairs caused by the feeding activities of a gall mite. This does not affect the health of the vine.

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Grape vine blister mite

Quick facts

Common name Grape vine blister mite
Scientific name Colomerus vitis
Plants affected Grape vine
Main cause A microscopic gall mite
Timing May-September

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