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Genus: | Eutrombicula Ewing, 1938 |
Eutrombicula is a genus of mites in the family Trombiculidae. The species of this genus are found throughout North America, and Australia. [1]
The genus was first described by Henry Ellsworth Ewing in 1938. [2] [3]
Two genera of chigger mites, each containing many species, are of concern to U.S. deployed military forces. They are Eutrombicula and Leptotrombidium . Chiggers in the genus Eutrombicula, such as Eutrombicula alfreddugesi, do not transmit any known pathogens to people, but they can cause irritating bites, dermatitis and severe itching when they feed on the unsuspecting host. They are widely distributed in the Western Hemisphere, and Europe. By comparison chiggers in the genus Leptotrombidium are the vectors of scrub typhus throughout Asia and portions of Australia. The bite of Leptotrombidium often does not itch, or at least not as intensely, as those of Eutrombicula. Also, a black necrotic lesion known as an eschar develops where the chigger fed. [4]
Species in the genus, Eutrombicula, recognised at the Australian Faunal Directory are: [5]
Additional species listed by BioLib. [6]
Trombicula, known as chiggers, red bugs, scrub-itch mites, or berry bugs, are small arachnids in the Trombiculidae family. In their larval stage, they attach to various animals, including humans, and feed on skin, often causing itching and trombiculosis. These relatives of ticks are nearly microscopic, measuring 0.4 mm (0.01 in) and have a chrome-orange hue. A common species of harvest mite in North America is Trombicula alfreddugesi; in the UK, the most prevalent harvest mite is Trombicula autumnalis.
Chiggers are tiny harvest mites, members of the family Trombiculidae, that can cause intense itching and dermatitis.
Mesostigmata is an order of mites belonging to the Parasitiformes. They are by far the largest group of Parasitiformes, with over 8,000 species in 130 families. Mesostigmata includes parasitic as well as free-living and predatory forms. They can be recognized by the single pair of spiracles positioned laterally on the body.
The orange leaf-nosed bat is a bat in the family Hipposideridae. It is the only living species in the genus Rhinonicteris which is endemic to Australia, occurring in the far north and north-west of the continent. They roost in caves, eat moths, and are sensitive to human intrusion.
Leptotrombidium is a genus of mites in the family Trombiculidae, that are able to infect humans with scrub typhus through their bite. The larval form feeds on rodents, but also occasionally humans and other large mammals. They are related to the harvest mites of the North America and Europe.
Trombiculidae ; commonly referred to as chiggers, but also known as spider mites, berry bugs, harvest mites, bush-mites, red bugs or scrub-itch mites, are a family of mites. Chiggers are often confused with jiggers - a type of flea. Several species of Trombiculidae in their larva stage bite their animal or human host and by embedding their mouthparts into the skin cause "intense irritation" or "a wheal, usually with severe itching and dermatitis",
Penthaleus is a genus of earth mites in the family of Penthaleidae, first described by Carl Ludwig Koch in 1835.
The Laelapidae are a family of mites in the order Mesostigmata. The family is also referred to in the literature as Laelaptidae, which may be the correct spelling.
Polyzosteria is a genus of around sixteen species of cockroaches in the Blattidae family. Some of these Australian insects are attractively marked, such as Polyzosteria mitchelli. The type species of the genus is the Botany Bay cockroach, Polyzosteria limbata.
Troglodiplura is a genus of Australian Anamidae spiders. Formerly monotypic, in 2020, four new species were added to the genus. The genus and type species, Troglodiplura lowryi, were first described by Barbara York Main in 1969. The genus has only been found in Australia, within the caves of the Nullarbor Plain.
Abrolophus is a genus of mites in the family Erythraeidae, first described in 1891 by Antonio Berlese.
Enteles is a genus of weevil in the family Curculionidae.
Starkovia hallidayi is a species of mite in the family Laelaptonyssidae, found in Australia. It was first described in 2000 by Gerald W. Krantz as Laelaptonyssus hallidayi.
Venator marginatus is a wolf spider, endemic to Australia and found in Victoria.
Laminicoccus is a genus of mealy-bugs belonging to the family Pseudococcidae. The genus was first described in 1960 by Williams.
Eutrombicula samboni is a species of mite in the family Trombiculidae, found in South Australia.
Guntheria is a genus of mites in the family Trombiculidae. The species of this genus are found in Australia and the islands to its north.
Guntheria coorongensis is a species of mite in the family Trombiculidae, found from the tip of Cape York in Queensland to South Australia.
Halotydeus is a genus of earth mites in the family of Penthaleidae, first described by Antonio Berlese in 1891.
Trombiculini is a tribe of chiggers belonging to the family Trombiculidae.
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