Hymenoptera: Chalcidoidea Ormyridae - Ormyrus nitidulus Males and female, from Andricus aries, Rams-horn Galls on Quercus Robin Williams (Oak Galls in Britain) lists 6 iniquilines, 4 parasitoids: Ceroptres arator, Synergus gallaepomiformis, S. pallicornis, S. pallidipennis, S. reinhardi, S. rotundiventris, Sycophila biguttata, S. flavicollis, Megastigmus dorsalis, Ormyrus nitidulus.

Ormyrus nitidulus
From Andricus aries galls collected Upton Heath and Pamphill, Dorset. February and March 2018