Oak Marble galls caused by the Andricus kollari gall wasp on a Pedunculare Oak (Quercus robur). They are green at first,turning brown and woody when mature | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Bicker, Adrian |
Taille de l’image : | 3661 px × 4882 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |