About 281,000 results
Open links in new tab
  1. Flea - Wikipedia

    Flea, the common name for the order Siphonaptera, includes 2,500 species of small flightless insects that live as external parasites of mammals and birds. Fleas live by ingesting the blood of their hosts.

  2. About Fleas | Fleas | CDC

    May 15, 2024 · Fleas are small insects that survive by feeding on animal or human blood. Their bites can cause discomfort, itchiness, and irritation. Sometimes, fleas can infect people or pets with the …

  3. How to Get Rid of Fleas: A Combination Approach - Healthline

    May 2, 2025 · If left untreated, a flea infestation can stick around indefinitely. Here's how to get rid of fleas in your home, yard, and on your pet.

  4. Fleas - Types, Size, Habitat, Diet, Life Cycle, Lifespan, & Images

    Oct 22, 2025 · Fleas are wingless, ectoparasitic insects that constitute the order Siphonaptera. Around 2,500 species of fleas are found worldwide, of which over 94% live on mammalian hosts, whereas …

  5. Flea | Definition, Size, & Natural History | Britannica

    Feb 4, 2026 · Fleas are small, wingless insects with a tough cuticle bearing many bristles and frequently combs (ctenidia) of broad, flattened spines. The adult flea varies from about 0.1 to 0.32 cm (0.039 to …

  6. Fleas: Prevention and Treatment - WebMD

    Sep 8, 2024 · Fleas are tiny wingless parasites that survive by sucking on animal or human blood. They find new hosts to live on by searching for body heat, movements, and breathing. (Fleas usually can't …

  7. How to get rid of fleas: Protecting your home and pets

    Nov 12, 2024 · Discover effective methods to get rid of fleas and reduce the risk of flea-borne diseases. Learn about flea prevention strategies that help protect your home, pets, and family.

  8. Flea Insect Facts - Siphonaptera - A-Z Animals

    Oct 24, 2025 · Fleas are small, wingless, laterally compressed parasitic insects specialized for feeding on the blood of birds and mammals. They are powerful jumpers and many species are associated …

  9. How To Get Rid of a Flea Infestation - PetMD

    Aug 28, 2025 · Found fleas in your home? Here’s how to get rid of a flea infestation, according to a vet.

  10. Flea Facts, Information, and Photos - Terminix

    While around 2,000 flea species exist globally, only about 325 are found in the United States. Fleas are, unfortunately, a common pest, especially in households with pets.