Over all length 6 - 7mm. This fly is orange on the thorax and abdomen with red eyes. there is a dark line down the centre of the thorax.
Hedgerows and woodland edge. The larvae develop in the detritus at the bottom of the nests of Common Wasps Vespula vulgaris.
Status and distribution
Thinly spread over England and Wales with fewer records from Scotland. Seen on two occasions at the reserve.
Best time to see
June to August.