Posted on 25 September 202022 September 2020 by David Silk Button Gall Wasp galls An oak tree on the edge of the Old Nursery woodland. The undersides of the leaves covered in hundreds of silk button galls. A wasp, or more likely several wasps, had been very busy. Post navigationPrevious post: Another mushroom selection, Wellcombe HillsNext post: Hoary Plantain, Wellcombe Hills