
Community identification
Phorid Fly (Scuttle Fly)
Megaselia scalaris (and other Phoridae species)
- Order & Family
- Order Diptera, Family Phoridae
- Size
- 0.5 to 5.5 mm (1/64 to 1/5 inch)
Natural Habitat
Moist decaying organic matter, drains, compost bins, soil of potted plants, sewage pipes, and trash cans indoors and outdoors.
Diet & Feeding
Larvae feed on decomposing plant and animal matter, fungi, sewage sludge, and organic debris in drains. Adults feed on liquids, nectar, and honeydew.
Behavior Patterns
Characterized by a erratic 'scuttling' running behavior across surfaces instead of immediately taking flight when disturbed. They have a distinctly humped back profile and strong hind legs.
Risks & Benefits
Risks: Considered persistent indoor pests as they can spread bacteria and pathogens from sewage/decaying matter onto food surfaces. Benefits: Important decomposers in natural ecosystems that help break down organic waste.