Acari: Eriophyoidea - gall mite Aceria ilicis Photographs on Quercus ilex, Holm Oak / Evergreen Oak Hosts: Quercus coccifera, ilex, ithaburensis, rotundifolia Two forms appear to occur - the lowerside erineum either with or without conspicuous bulges on upperside of leaves

Aceria ilicis
Broadstone, Dorset. February 2016