Stable Fly - Stomoxys calcitrans


It has a characteristic proboscis which protrudes forward from its head. It has an overall brown appearance.

Identification difficulty
ID guidance
  • rigid proboscis
  • arista with hairs above, bare below
  • palps short and straight (not inflated at the end)

As the name suggests, this fly is found near to horses and other agricultural animals.

When to see it

Most of the year.

Life History

Adults are active during the day when they search out a host which they will bite in order to feed on the blood. It reproduces in rotting straw and other decaying vegetation.

UK Status

Widespread and common in England and Wales.

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