Bug Identifier
Dog Flea / Cat Flea
Community identification

Dog Flea / Cat Flea

Ctenocephalides canis / Ctenocephalides felis

Order & Family
Order: Siphonaptera; Family: Pulicidae
Size
1.5 mm to 4.0 mm in length
See this bug in the Encyclopedia

Natural Habitat

Inhabits the bodies of domestic and wild mammals, and can be found in carpets, bedding, and floor cracks in homes.

Diet & Feeding

Adults are hematophagous (blood-feeders), typically feeding on the blood of cats, dogs, and occasionally humans. Larvae feed on organic debris and 'flea dirt' (dried adult excrement).

Behavior Patterns

They exhibit high jumping ability to reach hosts. They go through a complete metamorphosis (egg, larva, pupa, adult). The specimens in the image appear to be individual flea body parts, likely a leg and a portion of a segment.

Risks & Benefits

Risks include skin irritation, allergic dermatitis, and the potential transmission of parasites like tapeworms (Dipylidium caninum) or bacterial infections. They offer no significant ecosystem benefits in human environments and are considered pests.