Fruit fly larva

Scientific Name: Drosophila melanogaster

Order & Family: Diptera: Drosophilidae

Size: 2.5 mm to 4 mm in length as mature larvae.

Fruit fly larva

Natural Habitat

Found globally in close proximity to overripe, fermenting, or rotting fruit and vegetables.

Diet & Feeding

Feeds primarily on the yeast and bacteria found in fermenting organic matter, as well as the sugars of the fruit itself.

Behavior Patterns

Larvae hatch from eggs laid on the surface of fruit and immediately tunnel inside to feed. They undergo three instars before emerging from the food source to pupate.

Risks & Benefits

Generally considered a nuisance pest in homes and a significant pest in the food industry as they can contaminate food with bacteria. However, they are invaluable as model organisms in genetic and biological research.

Identified on: 6/8/2026