House-fly

House-fly - Musca domestica

Description

Length 6 to 7 mm. With varying amounts of orange on the basal segments of the abdomen and four black stripes on the thorax. The legs are all black and the eyes are bare. As with other Musca species, the arista has feather-like long hairs.

Similar Species

Similar to the very common Face Fly, Musca autumnalis.

Identification difficulty
ID checklist (your specimen should have all of these features)
  • 6-7mm
  • 4 dark lines on the thorax
  • legs all black
  • eyes bare
  • long, plumose arista
  • suprasquamal ridge bare
Recording advice

Unless identified by a recognised expert, a photo is required and the specimen should be examined with a microscope. In the comments box, state the key or ID method used and describe the size and identifying characters.

Habitat

A familiar fly of indoors and around garbage associated with buildings but rare away from habitation.

When to see it

Adults fly from spring to autumn.

Life History

Larvae can develop on a variety of decomposing organic substances including excrement, carrion and rotting vegetable matter, especially where bacterial fermentation is taking place.

UK Status

M. domestica is recorded throughout the British Isles but is not as common as in the past due to improved storage of garbage (the main breeding location).

VC55 Status

Rarely recorded in Leicestershire and Rutland.

Leicestershire & Rutland Map

MAP KEY:

Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2025+ | 2020-2024 | pre-2020

UK Map

Additional images

No additional images available for this species.

All NatureSpot records