Common Moth Fly vs Soldier Fly

Side-by-side species comparison

Attribute Common Moth Fly Soldier Fly
Scientific Name Psychoda alternata Odontomyia tigrina
Order Diptera Diptera
Family Psychodidae Stratiomyidae
Size 2-4 mm 8-12 mm
Habitat Woodlands Ponds & Lakes
Diet Detritivores Pollen Feeders
Regions Cosmopolitan Europe
Conservation Least Concern Least Concern

Common Moth Fly

A tiny grayish moth fly with broad, hairy wings giving it a distinctly moth-like appearance. Its wings are held flat over the body at rest, and it runs in short hops when disturbed.

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Did You Know?

Moth flies are important components of sewage treatment trickling filter beds where their larvae help break down waste.

Soldier Fly

A brightly colored soldier fly with aquatic larvae that filter-feed in ponds.

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Did You Know?

Larvae float at the surface and breathe through a rosette of hydrophobic tail hairs.