Ash Gall - Eriophyes fraxinivorus
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Galls forming on fruiting keys of the Ash tree caused by the mite, Aceria fraxinivorus. Galls are irregular, woody encrustations, initially green slowly turning to brown and black, they can remin on the tree for up yo 2 years Mites are sap-sucking elongated cylinders, which appear to have no eyes, respiratory or circulation system and only two pairs of legs. As alweays Galls are easier to observe than mites.
Life history Mainly all female, producing eggs which need no fertilization.
Habitat Anywhere where the host tree - Ash is present.