Owl Midge Fly (Sewer Fly)

Average Adult Size:

  • 2-4mm.

Associated Risks:

  • Possible transmission of diseases,
  • Potential to transmit pathogens,
  • Possible contamination of food sources.

Life Cycle:

  • Egg, Larva, Pupa, Adult,
  • Femaleslay eggs an average of 100 eggs in moist or fermenting materials (e.g. fungi, silt, sludge or algae)
  • Eggs will hatch from 16 days to 140 days dependent upon conditions,
  • Females can birth up to 8 generations of young in a 12 month period.

Life Style:

  • Pest can be found in a number of places such as drains, waste pipes or sewer runs,
  • Composting materials with damp conditions make an ideal breeding ground,
  • Can effect both domestic & commercial properties.

Control Method(s):

  • Chemical treatment,
  • Environmental changes.