Chrysotoxum verralli
This hoverfly is a wasp mimic, and very wasp-like in appearance. The genus is easy to recognise because it has long antennae that project forward.
There are several other similar Chrysotoxum species which require careful examination of the black bar patterns to separate.

A grassland species often occurring near trees and on waste ground.
June to October, peaking in July and early August
Most records are from south-east England reaching as far as the Midlands. Often regarded as scarce except in a few parts of its range.
Uncommon. There are few records of this species for Leicestershire and Rutland.
Leicestershire & Rutland Map
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MAP KEY:
Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015