Bug Identifier
Fruit Fly (Vinegar Fly)
Community identification

Fruit Fly (Vinegar Fly)

Drosophila melanogaster

Order & Family
Order Diptera; Family Drosophilidae
Size
3 to 4 mm (about 1/8 inch) in length
See this bug in the Encyclopedia

Natural Habitat

Worldwide, particularly in kitchens, restaurants, and grocery stores where fermenting organic matter is present.

Diet & Feeding

They feed on yeasts and the liquids produced by fermenting or decaying organic matter, such as overripe fruits and vegetables.

Behavior Patterns

They are active year-round indoors and are attracted to light. They have a very rapid life cycle, often developing from egg to adult in about 8 to 10 days in warm conditions.

Risks & Benefits

They are considered nuisance pests and can contaminate food with bacteria. However, they are invaluable in scientific research, specifically in genetics and developmental biology, due to their rapid reproduction and simple genome.