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.

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.

Various habitats.

May to August.

Breeds in dung, often cow dung.

Widespread and fairly frequent in Britain.

Fairly frequent in Leicestershire and Rutland.