Bug Identifier
Fruit fly (or Gnat)
Community identification

Fruit fly (or Gnat)

Drosophila melanogaster (Family Drosophilidae) or Sciaridae (Dark-winged fungus gnats)

Order & Family
Order: Diptera; Family: Drosophilidae or Sciaridae
Size
2-4 mm in length
See this bug in the Encyclopedia

Natural Habitat

Typically found indoors in kitchens near overripe fruit and garbage (Fruit flies) or in moist potting soil (Gnat)

Diet & Feeding

Larvae feed on microbial growth (yeast and bacteria) on decaying organic matter; adults feed on overripe fruit, sugar-containing liquids, or organic debris

Behavior Patterns

Drawn to moist environments and fermented food sources; they have a very rapid life cycle from egg to adult in about 1-2 weeks; known for hovering or erratic flight

Risks & Benefits

Primarily a nuisance pest that can contaminate food through the spread of bacteria; they do not bite humans but can be difficult to eradicate once established