Polietes lardarius


Length about 10 mm. This is a large muscid, superficially looking like a sarcophagid flesh-fly. It has a blue-grey chequered abdomen and jagged stripes on the thorax. The scutellum also usually has stripes or blotches. It has silvery dusting on the face and a silver/grey anterior spiracle.

Similar Species

Polietes meriodionalis is very similar (and was once thought to be the same species) but can be distinguished by the yellow anterior spiracle and yellow/gold dusting on the face.

Identification difficulty

Particularly common around cattle grazing areas. It likes to perch on walls, fences and foliage in the sun.

When to see it

From summer to late autumn.

Life History

Breeds in dung. Adults are also attracted to Stinkhorn fungi.

UK Status

Common and widespread in England and Wales, fewer records from Scotland.

VC55 Status

Common in Leicestershire and Rutland

Leicestershire & Rutland Map


Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

UK Map