Its galls found on oak leafs, on the left one can also see the artichocke galls of Andricus fecundator
by bonitin Aug 17, 2008 5:23 AM
Found it's gall on Quercus robur, Nature Reserve, Bourgoyen, Gent, Belgium, 21 August 2008
by bonitin Aug 24, 2008 4:19 PM
