Close up of a cluster of disc-shaped hairy common spangle galls attached to the underside of an oak leaf (Quercus robor) caused by gall wasp (Neuroterus quercusbaccarum). Each gall houses a single agamic wasp. The galls mature on the ground in winter and the insects leave in eary spring to lay their eggs in oak buds | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Downer, Nigel |
Taille de l’image : | 5130 px × 3407 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |