Fruit fly

Scientific Name: Drosophila melanogaster

Order & Family: Diptera: Drosophilidae

Size: 3 to 4 mm in length

Fruit fly

Natural Habitat

Found worldwide in association with human habitats, particularly where ripening or fermenting fruit and vegetables are present.

Diet & Feeding

Larvae eat yeast and fungi growing on decaying plant matter; adults feed on liquid from decaying fruit and sugar sources.

Behavior Patterns

Attracted to the smell of fermentation; they have a very fast life cycle (approx. 8-10 days) and are primarily active during the day.

Risks & Benefits

Generally a nuisance pest that can contaminate food with bacteria; however, they are highly beneficial as a model organism in biological and genetic research.

Identified on: 4/17/2026