Body length 6 to 8.5mm. A very smart, slim, black and white fly. The thorax is black with two white 'shoulder' stripes and the abdomen is black with white bands at the start of each tergite.
Woodland edge and hedgerows. It is thought that its host species is the Darkling Beetle, Lagria hirta.
Status and distribution
Very rare in Britain, mainly confined to southern coastal areas. There is one other record for Nottinghamshire, also from 2019.
Best time to see
June to August.