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The human flea (Pulex irritans) – once also called the house flea [1] – is a cosmopolitan flea species that has, in spite of the common name, a wide host spectrum. It is one of six species in the genus Pulex ; the other five are all confined to the Nearctic and Neotropical realms . [ 2 ]
Flea bites in humans. Fleas feed on a wide variety of warm-blooded vertebrates including dogs, cats, rabbits, squirrels, ferrets, rats, mice, birds, and sometimes humans. Fleas normally specialise in one host species or group of species, but can often feed but not reproduce on other species.
The most infamous flea-to-human transmitted disease is the bubonic plague, which was caused by the bacterium Yersinia pestis. The plague, fevers, tularemia: The diseases fleas can carry and how to ...
In addition to rodents and humans, it is known to have killed camels, chickens, and pigs. [48] Domestic dogs and cats are susceptible to plague, as well, but cats are more likely to develop illness when infected. In either, the symptoms are similar to those experienced by humans, and can be deadly to the animal.
They light up the mounds by emitting a bright greenish glow which attracts the flying insects on which they feed. [ 49 ] In the marine environment, use of luminescence for mate attraction is chiefly known among ostracods , small shrimp-like crustaceans , especially in the family Cyprididae .
Cat fleas originated in Africa [4] but can now be found globally. [5] As humans began domesticating cats, the prevalence of the cat flea increased and it spread throughout the world. Of the cat fleas, Ctenocephalides felis felis is the most common, although other subspecies do exist, including C. felis strongylus, C. orientis, and C. damarensis ...
Tunga penetrans is a species of flea also known as the jigger, jigger flea, chigoe, chigo, chigoe flea, chigo flea, nigua, sand flea, or burrowing flea. It is a parasitic insect found in most tropical and sub-tropical climates. In its parasitic phase it has significant impact on its hosts, which include humans and certain other mammalian species.
The jumping is found to be initiated when the intensity of light is reduced. [10] The host is infected during the spring, when it is foraging on the ground. [11] Fleas like C. gallinae that are found in nests often develop a defined breeding season, which coincides with that of their host. Associated with this is their ability to survive away ...