Fly on Lowland Heath, Dorset?

Fly on Lowland Heath, Dorset?

Observation - Fly on Lowland Heath, Dorset? - UK and Ireland. Description: Seen hanging around bee and wasp nests on lowland heath in Dorset (away from coast). Just a normal fly or something else? Looks a bit like a flesh fly... but maybe not?

Seen hanging around bee and wasp nests on lowland heath in Dorset (away from coast). Just a "normal" fly or something else? Looks a bit like a flesh fly... but maybe not?