Knopper Gall N0926

Observation - Knopper Gall N0926 - UK and Ireland. Description: Knopper gall on acorns of Quercus robor English Oak a parasitic wasp Andricus quercuscalicis

Knopper gall on acorns of Quercus robor English Oak a parasitic wasp Andricus quercuscalicis