Drawn a blank

Drawn a blank

Observation - Drawn a blank - UK and Ireland. Description: OK, I looked both in Chinery and on a British Hoverflies website but this delightful character just isn't coming together. I assume it's a Hover-fly but ... help!

OK, I looked both in Chinery and on a British Hoverflies website but this delightful character just isn't coming together. I assume it's a Hover-fly but ... help!