General
10-18mm body length. Wing span of about 22mm. They are bristly grey flies with three distinct black stripes on the thorax. The abdomen has checkered patterning which changes according to the angle of view.

Significance
Generally associated with rotten meat. They can utilise stored meat as a larviposition. Carcasses of birds and rodents are also used. In general, adult flies are rarely found indoors.

Control
Identifying the source of the infestation may be difficult. If appropriate the application of a residual insecticide should prove effective. The use of fly screens and ultra violet light traps may prove useful.