Iridescent centurion - Sargus iridatus
Description
Length 6 to 12 mm. The sexes of this soldier fly are similar in appearance, but the female is slightly broader at the hind end. The body is an iridescent deep blue and the wings are uniformly smoky.
Identification difficulty

Recording advice
Unless identified by a recognised expert, a photo is required. If the photo doesn't show the key ID features then in the comments box describe the size and identifying characters you have observed.
Habitat
Various habitats.
When to see it
May to August.
Life History
Breeds in dung, often cow dung.
UK Status
Widespread and fairly frequent in Britain.
VC55 Status
Fairly frequent in 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