Bug Identifier
Fruit Fly / Vinegar Fly
Community identification

Fruit Fly / Vinegar Fly

Drosophila melanogaster

Order & Family
Diptera: Drosophilidae
Size
2 to 4 mm (0.08 to 0.16 inches)
See this bug in the Encyclopedia

Natural Habitat

Found worldwide near rotting, fermenting, or overripe fruit and vegetation, as well as around compost, garbage, and damp organic environments.

Diet & Feeding

Larvae feed on micro-organisms like yeast and bacteria growing on fermenting fruit and plant matter; adults feed on liquid fluids from decaying fruits and sugary substances.

Behavior Patterns

Attracted strongly to acetic acid (vinegar) and alcohol scents. Highly prolific with extremely rapid reproduction cycles, completing a generation in as little as 7-10 days under warm conditions.

Risks & Benefits

Risks: Can be a persistent household nuisance and contaminate food with bacteria. Benefits: Vital biological model organism in genetics, developmental biology, and neuroscience research; serves as a decomposer in ecosystems.