Jonathan's picture

Jonathan - Knopper gall on English Oak Quercus robur - 3 October 2008 - 2:45pm

Observed: 3rd October 2008 By: Jonathan
iSpot team
Jonathan’s reputation in InvertebratesJonathan’s reputation in InvertebratesJonathan’s reputation in InvertebratesJonathan’s reputation in Invertebrates
Knopper gall on Quercus robur
Description:

Crap photo. Sorry!

Identifications
Species interactions

No interactions present.

Species with which Knopper gall on English Oak (Quercus robur) interacts

Comments

Donal's picture

I agree this is the knopper

I agree this is the knopper gall. It is the only gall of this shape on oak. It is caused by the cynipid wasp Andricus quercuscalicis