Flea

Scientific Name: Siphonaptera (Order)

Order & Family: Order: Siphonaptera; Family: Pulicidae (common family for cat/dog fleas)

Size: 1.5 to 3.3 mm long

Flea

Natural Habitat

Found on the bodies of mammals (dogs, cats, humans) and birds; nests, bedding, carpets, and cracks in floors where hosts live.

Diet & Feeding

Hematophagous (blood-feeding); adults feed exclusively on the blood of their host animals.

Behavior Patterns

Holometabolous lifecycle (egg, larva, pupa, adult). Known for their incredible jumping ability due to specialized hind legs. Larvae feed on organic debris and adult flea feces.

Risks & Benefits

Risks: Bites cause itching, irritation, and allergic dermatitis. Vectors for diseases like typhus, cat scratch disease, and historically the plague. Can transmit tapeworms.

Identified on: 2/27/2026