Acari: Eriophyoidea - gall mite Aceria nervisequa Photographs on Fagus, Beech Hosts: Fagus sylvatica, Fagus x taurica Erineum either lowerside between veins or upperside along the veins Prior to being synonymised galls with underside erineum between the veins were recorded as Aceria fagineus, those with upperside erineum over the veins as A. nervisequa

Aceria nervisequa
Upton Country Park, Dorset. September 2017