Drain Fly Larva

Moist environments high in organic matter, such as drains, septic tanks, grease traps, and sewage treatment beds.

Organic slime, gelatinous biofilms, fungi, and decaying matter found in stagnant water or pipes.

Larvae live within the biofilm of pipes, using a specialized breathing tube to reach the air surface. They undergo complete metamorphosis into small, moth-like flies.

They do not bite or transmit diseases through stings, but large infestations can indicate plumbing issues or hygiene concerns. They benefit ecosystems by breaking down organic sludge.