C.f. based on image comparison. On turkey oak in ancient woodland.
Scrat's Acorn from the "Ice Age" series.
Andricus sieboldi on Quercus robur. Heavily tended by ants (Lasius niger) which seems to build a kind of structure around the gall with soil (?)
Andricus sieboldi on Quercus robur. Heavily tended by ants (Lasius niger) which seems to build a kind of structure around the gall with soil (?)