Cat flea

SIPH Pulicidae Ctenocephalides felis felis

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Ctenocephalides felis oeufs

Flea Larva

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Ctenocephalides felis, nymphe âgée.

Cat Flea (Ctenocephalides felis) is a species of flea that primarily feeds on the blood of cats, but can also infest dogs and other animals, including humans. It is one of the most common external parasites affecting domestic and wild animals worldwide. The cat flea plays a significant role in the transmission of diseases and can cause severe discomfort and health issues in infested hosts.

Description

The adult cat flea is a small, wingless insect, ranging in size from 1 to 3 mm. It is characterized by its dark colored body, which appears flattened from side to side, allowing it to move easily through an animal's fur. Its long hind legs are adapted for jumping great distances. The cat flea's mouthparts are evolved for piercing skin and sucking blood.

Life Cycle

The life cycle of the cat flea consists of four stages: egg, larva, pupa, and adult. The cycle begins when a female lays her eggs after feeding on the host's blood. Eggs are laid on the host but fall off into the environment. Larvae emerge from the eggs and feed on organic debris found in their surroundings, including adult flea feces which contain undigested blood. After several molts, the larvae spin cocoons, entering the pupal stage. The adult flea emerges from the pupa in response to vibrations, carbon dioxide, or heat, indicating the presence of a potential host.

Habitat

Cat fleas prefer warm, humid environments and are commonly found in the bedding, carpets, and furniture of infested homes, as well as in grass, soil, and sand outdoors. They are most prevalent during warm weather months but can live year-round in temperature-controlled environments.

Health Risks

Cat fleas are vectors for various pathogens, including bacteria, viruses, and parasites. They can transmit diseases such as cat scratch disease, caused by Bartonella henselae, and are intermediate hosts for the tapeworm Dipylidium caninum, which can infect cats, dogs, and humans. Flea allergy dermatitis (FAD) is a common condition in pets allergic to flea saliva, leading to intense itching, hair loss, and secondary skin infections.

Prevention and Control

Effective control of cat fleas requires a comprehensive approach, including treatment of infested animals, regular cleaning of pet bedding and living areas, and environmental control measures to eliminate fleas at various life stages. A variety of products, such as topical spot-on treatments, oral medications, and insect growth regulators, are available for treating and preventing flea infestations.

Conclusion

The cat flea is a pervasive external parasite with the potential to cause significant health issues in pets and, occasionally, humans. Understanding its life cycle and habitat preferences is crucial for effective prevention and control strategies. Regular veterinary care and proactive measures can help minimize the risks associated with flea infestations.

Cat flea Resources
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