flea insect

Fleas are best known for spreading the Bubonic Plague.

If you have pets and a bug infestation in your home, one of the first culprits you’ll likely suspect is the flea. Species that attack people and livestock include the cat flea (Ctenocephalides felis), the so-called human flea (Pulex irritans), the dog flea (Ctenocephalides canis), the sticktight flea (Echidnophaga gallinacea), and the jigger, or chigoe, flea (Tunga penetrans). The Nemours Foundation - For Kids - Hey! Fleas can also transfer tapeworms and cause anemia in pets. Fleas transmit myxomatosis, a viral disease of rabbits, which is used deliberately to control rabbits in areas where they are severe pests (e.g., in Australia).

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Infestation by fleas may cause severe inflammation of the skin and intense itching. However, it is widely distributed with some—such as the rat flea and the mouse flea—having been carried all over the world by humans.

Plague (sylvatic plague) is a widespread disease in hundreds of species of wild rodents throughout the world and is maintained in those populations by fleas that parasitize these animals. Flea bites cause painful, itchy red bumps.

Articles from Britannica Encyclopedias for elementary and high school students.

Flea, any of a group of bloodsucking insects that are important carriers of disease and can be serious pests.

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Fleas can live on any warm-blooded animal, but seem to prefer to live on humans, cats, dogs, opossums, rats and other rodents.

flea - Children's Encyclopedia (Ages 8-11), flea - Student Encyclopedia (Ages 11 and up). The most common species is the cat flea, which often feasts on cats, dogs and humans. Fleas, particularly Xenopsylla cheopis, are thought to be the principal carriers of murine (endemic) typhus, a rickettsial disease of humans. Certain fleas that feed primarily on rodents or birds sometimes attack people, particularly in the absence of their usual host. Boards are the best place to save images and video clips.

Fleas are parasites that live on the exterior of the host.

The Oriental rat flea (Xenopsylla cheopis) is the most efficient carrier of plague, but other species of fleas (e.g., Nosopsyllus fasciatus, Xenopsylla brasiliensis, Pulex irritans) can also transmit the disease to people.

Intense itching accompanies the development and enlargement of the cyst as the abdomen of the pregnant flea swells to the size of a pea; secondary infections may constitute serious complications. Fleas transport themselves on rodents and other mammals, and usually remain on their hosts at all times. Brought to you by the National Pest Management Association. The most common species is the cat flea, which often feasts on cats, dogs and humans. in pets. Visit PestWorld.org for additional information on bugs and pest control experts. {{familyColorButtonText(colorFamily.name)}}, View {{carousel.total_number_of_results}} results.

Their saliva is an allergen that can cause allergic reactions in pets and humans.

Fleas can also transfer tapeworms and cause. The adult flea varies from about 0.1 to 0.32 cm (0.039 to 0.13 inch) in length and feeds exclusively on the blood of mammals (including humans) and birds. Let us know if you have suggestions to improve this article (requires login). Flea bites cause painful, itchy red bumps. These tiny — 1/16- to 1/8-inch-long — wingless hopping insects feed on pets’ and peoples’ blood, cause small, itchy bites and lay an average of 27 eggs per day. Fleas are parasites that live on the exterior of the host (i.e., are ectoparasitic). © Copyright 2020 National Pest Management Association, Fleas are best known for spreading the Bubonic Plague. Infestation by fleas may cause severe inflammation of the skin and intense itching. In fact, fleas can jump as high as 8” vertically, which is 150 times their own height.

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When rats are dying of bubonic plague, their hungry fleas, themselves infected with plague bacilli and seeking food elsewhere, can transmit the disease to humans, especially in buildings heavily infested with rats.

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The female jigger, or chigoe, flea (not to be confused with “chigger,” a larval mite) burrows into the skin of its host, generally on the feet, and lives within a cyst that forms around it. Learn about the natural history and importance of fleas. As the chief agent transmitting the Black Death (bubonic plague) in the Middle Ages, they were an essential link in the chain of events that resulted in the death of a quarter of the population of Europe. Find the perfect Flea Insect stock photos and editorial news pictures from Getty Images.

Flea, (order Siphonaptera), any of a group of bloodsucking insects that are important carriers of disease and can be serious pests.

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