Hymenoptera: Cynipidae - gall wasp Andricus foecundatrix Artichoke Gall Agamic generation (Artichoke Gall) - photographs on Quercus, Oak Hosts: Agamic and sexual generations on Quercus faginea, frainetto, infectoria, lusitanica, petraea, pubescens, pyrenaica, robur Agamic generation with small inner gall, larva can over-winter in gall Sexual generation forms 2-3mm galls among anthers, catkins not distorted. The surface is covered with long white hairs and not ridged

Andricus foecundatrix, Artichoke Gall
Upton Country Park and Broadstone, Dorset. September and October 2017