Acari: Eriophyoidea - gall mite Epitrimerus trilobus Gall on Sambucus nigra, Elder Hosts: Sambucus canadensis, ebulus, nigra, racemosa Leaf margins slightly thickened and rolled upwards, often causing leaves to become distorted Similar: A different but undetermined Epitrimerus species is thought to affect Sambucus ebulus

Epitrimerus trilobus
Kingston Lacy, Dorset. July 2018