Hoverfly

A male Epistrophe eligans (Diptera: Syrphidae).  The golden thorax is the most obvious feature of this species.  The abdomen varies from almost all black, as with this one, to an almost Syrhpus-like banding (see here). The males tend to be darker than the females.

Photos taken in the Wilderness, Whiteknights Park, Reading University grounds, Reading, UK, on 2012-04-01.