Fruit fly

Scientific Name: Drosophila melanogaster

Order & Family: Order: Diptera; Family: Drosophilidae

Size: 3 to 4 mm in length

Fruit fly

Natural Habitat

Worldwide, commonly found in homes, grocery stores, and restaurants near decaying organic matter.

Diet & Feeding

Mainly overripe or decaying fruits and vegetables, and the fungi/yeast produced by fermentation.

Behavior Patterns

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

Risks & Benefits

They do not bite or sting but are considered nuisance pests that can potentially contaminate food with bacteria; however, they are highly beneficial in scientific research as model organisms for genetics.

Identified on: 4/29/2026