Fly coloured like early bumblebee

Fly coloured like early bumblebee

Observation - Fly coloured like early bumblebee - Global. Description: I found this in my polytunnel today, would like to know what it is. It looks like a fly, but has the furry body and reddish tail of an early bumblebee

I found this in my polytunnel today, would like to know what it is. It looks like a fly, but has the furry body and reddish tail of an early bumblebee