Bug Identifier
Fruit Fly
Community identification

Fruit Fly

Drosophila melanogaster

Order & Family
Diptera; Drosophilidae
Size
3 to 4 mm (0.12 to 0.16 inches) in length.
See this bug in the Encyclopedia

Natural Habitat

Found globally in close proximity to human dwellings, particularly in kitchens, restaurants, and grocery stores where organic matter is present.

Diet & Feeding

Larvae and adults primarily feed on decaying organic matter, such as overripe fruit, vegetables, and the yeast/fungi growing on fermenting liquids.

Behavior Patterns

They have a rapid life cycle, often maturing from egg to adult in about 8-10 days. They are most active during the day and are attracted to the smell of fermentation (acetic acid).

Risks & Benefits

They do not bite but are considered a nuisance pest. They can cross-contaminate food with bacteria and pathogens picked up from decaying surfaces. In science, they are highly beneficial as a primary model organism for genetic and developmental research.