This fly is very similar to Volucella zonaria but smaller at 12.25 – 14.25mm. Other Physical differences are that the second sternite (On abdomen) is yellow and not Chestnut Brown. The second sternite on the underside is a yellow ‘V’ and not black. The wings are less amber infused.
The adults are often seen feeding on nectar from flowers. The larvae are ectoparasites on larvae of social wasps.
All images Peter Drury unless otherwise stated