Ash Key Gall Mite
Aceria fraxinivora
Classification
- Class
- Arachnida
- Order
- Trombidiformes
- Family
- Eriophyidae
Aceria fraxinivora, le Phytopte du frêne, est une espèce d'Acariens de la famille des Eriophyidae et du genre Aceria. Présent sur l'ensemble de l'hémisphère nord, il provoque une galle successivement verte puis brun noirâtre en forme de chou-fleur sur les rameaux florifères des Frênes. Description de la galle Aceria fraxinivora provoque des cécidies hypertrophiées et irrégulières en forme de chou-fleur.
Aceria fraxinivora, also known as the cauliflower gall mite and the ash key gall, causes the growths, known as galls, found on the hanging seeds or "keys" of the ash (Fraxinus) species. Appearance and cause The mite usually attacks the flower clusters soon after they open. The individual gall is no more than 2 cm across but when grouped together can be impressive as they present a sizable irregular deformity formed from the fused and swollen flower stalks (pedicels).
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Distribution
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