A gall from a knopper wasp, one of the various types which are found on oak trees, usually towards autumn. This was on a tree on the steep northern bank of the Barley Field.
Knopper gall, Barley Field oak tree
Wildlife from Wolverhampton and nearby
A gall from a knopper wasp, one of the various types which are found on oak trees, usually towards autumn. This was on a tree on the steep northern bank of the Barley Field.