Knopper Gall on acorn, Crowsheath Community Woodland, Downham
Introduction
The photograph on this page of Knopper Gall on acorn, Crowsheath Community Woodland, Downham by Roger Jones as part of the Geograph project.
The Geograph project started in 2005 with the aim of publishing, organising and preserving representative images for every square kilometre of Great Britain, Ireland and the Isle of Man.
There are currently over 7.5m images from over 14,400 individuals and you can help contribute to the project by visiting https://www.geograph.org.uk
Knopper Gall on acorn, Crowsheath Community Woodland, Downham
Image: © Roger Jones Taken: 21 Sep 2013
The Knopper Gall (on left acorn) is caused by a tiny gall wasp, Andricus quercuscalicis. It produces ridged outgrowths on the acorns of our native Pedunculate Oak see http://www.wildlifetrusts.org/species/knopper-gall
Images are licensed for reuse under creativecommons.org/licenses/by-sa/2.0
Image Location
Latitude
51.642276
Longitude
0.484762