Photo taken on 9/06/19 at Bovingdon Green, Buckinghamshire
This is quite common throughout Britain. It varies in colour between bright yellow and dark brown, and also varies in size. It flies from June to August.
Photo taken on 9/07/09 at Hampden Bottom, Buckinghamshire
Photo taken on 1/08/11 at Kensworth, Beds.
Photo taken on 22/07/09 along the Aylesbury Arm of the Grand Union Canal, Buckinghamshire