This is a discussion on Any Idea What This Is? within the Invertebrates | Insects forums, part of the UK Wildlife category; I was out with the camera yesterday and took some photos in the garden. I have no idea what this ...
According to my Collins Complete British Wildlife by Paul Sterry you have captured a species of Drone Fly specifically Syrphus ribesii ~ descibed as "extremely common hover-fly, widespead in Britain & Ireland"
The book I refer to I was given for Xmas I think 2 years ago. It is IMO a very good (big) pocket reference book ~ A5 size about 1inch thick (384 pages) check it out and see what you think?