Diptera: Cecidomyiidae - gall midge Macrodiplosis pustularis Photographs on Quercus, Oak Hosts: Quercus frainetto, hartwissiana, lusitanica, macranthera, petraea, pubescens, pyrenaica, robur, trojana. ? Quercus cerris

Macrodiplosis pustularis
Kingston Lacy and Pamphill, Dorset. September 2017, May 2018