Bug Identifier
Drain Fly Larva
Community identification

Drain Fly Larva

Psychoda spp.

Order & Family
Diptera, Psychodidae
Size
4 to 10 mm in length
See this bug in the Encyclopedia

Natural Habitat

Moist areas such as drains, sewers, septic tanks, and damp soil rich in organic matter

Diet & Feeding

Decaying organic matter, biofilm, algae, and microscopic organisms

Behavior Patterns

They live in the gelatinous film that forms inside drains and feed on the accumulation of organic debris; they eventually pupate and emerge as small, fuzzy flies

Risks & Benefits

Broadly harmless to humans but can be a nuisance in homes; they benefit ecosystems by breaking down organic waste in drainage systems