Flea Larva
Scientific Name: Ctenocephalides felis (most common)
Order & Family: Siphonaptera (Order), Pulicidae (Family)
Size: 2mm to 5mm long

Natural Habitat
Dark, protected areas where adult flea hosts (pets) sleep or rest, such as carpets, floor cracks, pet bedding, and upholstered furniture.
Diet & Feeding
Organic debris found in the environment, specifically 'flea dirt' (dried blood excreted by adult fleas), skin flakes, and other organic matter.
Behavior Patterns
They avoid light (negative phototropism) and burrow deep into carpet fibers or bedding. They spin a cocoon to pupate before emerging as adults.
Risks & Benefits
Risks: They mature into blood-sucking adult fleas that cause itching, allergic reactions, and can transmit tapeworms and diseases like typhus or plague. Benefits: None, considered a household pest.
Identified on: 2/20/2026