''Eutrombicula'' is a genus of mites in the family

Trombiculidae Trombiculidae (); commonly referred to in North America as chiggers and in Britain as harvest mites, but also known as berry bugs, bush-mites, red bugs or scrub-itch mites, are a family of mites. Chiggers are often confused with jiggers – a t ...

. The species of this genus are found throughout North America, and Australia. The genus was first described by

Henry Ellsworth Ewing Henry Ellsworth Ewing (11 February 1883 – 5 January 1951) was an American arachnologist. He worked at several universities, but spent most of his career at the Bureau of Entomology and Plant Quarantine. Ewing was considered an authority on arachn ...

in 1938. Two genera of chigger mites, each containing many species, are of concern to U.S. deployed military forces. They are ''Eutrombicula'' and ''

Leptotrombidium ''Leptotrombidium'' () is a genus of mites in the family Trombiculidae, that are able to infect humans with scrub typhus (''Orientia tsutsugamushi'' infection) through their bite. The larval form (called chiggers) feeds on rodents, but also occa ...

''. 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 ''

'' are the vectors of

scrub typhus Scrub typhus or bush typhus is a form of typhus caused by the intracellular parasite '' Orientia tsutsugamushi'', a Gram-negative α-proteobacterium of family Rickettsiaceae first isolated and identified in 1930 in Japan.Australian Faunal Directory The Australian Faunal Directory (AFD) is an online catalogue of taxonomic and biological information on all animal species known to occur within Australia. It is a program of the Department of Climate Change, Energy, the Environment and Water ...

are: * ''

Eutrombicula hirsti ''Eutrombicula hirsti'', commonly called the scrub-itch mite, is a species of mite Mites are small arachnids (eight-legged arthropods). Mites span two large orders of arachnids, the Acariformes and the Parasitiformes, which were historica ...

'' (Sambon, 1927) * '' Eutrombicula macropus'' (Womersley, 1936) * '' Eutrombicula rara'' (Walch, 1924) * ''

Eutrombicula samboni ''Eutrombicula samboni'' (common name - teatree itch-mite) is a species of mite in the family Trombiculidae, found in South Australia South Australia (commonly abbreviated as SA) is a state in the southern central part of Australia. It c ...

'' (Womersley, 1939) * '' Eutrombicula sarcina'' (Womersley, 1944) * '' Eutrombicula southcotti'' (Womersley & Audy, 1957) * '' Eutrombicula thori'' (Womersley, 1952) * ''

Eutrombicula tovelli ''Eutrombicula'' is a genus of mites in the family Trombiculidae. The species of this genus are found throughout North America, and Australia. The genus was first described by Henry Ellsworth Ewing in 1938. Two genera of chigger mites, eac ...

'' (Womersley, 1952) * ''

Eutrombicula vandiemeni ''Eutrombicula'' is a genus of mites in the family Trombiculidae. The species of this genus are found throughout North America, and Australia. The genus was first described by Henry Ellsworth Ewing in 1938. Two genera of chigger mites, eac ...

'' (Domrow, 1962)

Non Australian species

Additional species listed by BioLib. * ''

Eutrombicula alfreddugesi ''Eutrombicula'' is a genus of mites in the family Trombiculidae. The species of this genus are found throughout North America, and Australia. The genus was first described by Henry Ellsworth Ewing in 1938. Two genera of chigger mites, eac ...

'' (Oudemans, 1902) * ''

Eutrombicula chiricahuae ''Eutrombicula'' is a genus of mites in the family Trombiculidae. The species of this genus are found throughout North America, and Australia. The genus was first described by Henry Ellsworth Ewing in 1938. Two genera of chigger mites, eac ...

'' Bennett & Loomis, 1981 * ''

Eutrombicula conantae ''Eutrombicula'' is a genus of mites in the family Trombiculidae. The species of this genus are found throughout North America, and Australia. The genus was first described by Henry Ellsworth Ewing in 1938. Two genera of chigger mites, eac ...

'' Goff, 1984 * ''

Eutrombicula gigarara ''Eutrombicula'' is a genus of mites in the family Trombiculidae. The species of this genus are found throughout North America, and Australia. The genus was first described by Henry Ellsworth Ewing in 1938. Two genera of chigger mites, eac ...

'' (Brown, 1997) * ''

Eutrombicula lawrencei ''Eutrombicula'' is a genus of mites in the family Trombiculidae. The species of this genus are found throughout North America, and Australia. The genus was first described by Henry Ellsworth Ewing in 1938. Two genera of chigger mites, eac ...

'' (Wharton & Fuller, 1952) * ''

Eutrombicula onyongensis ''Eutrombicula'' is a genus of mites in the family Trombiculidae. The species of this genus are found throughout North America, and Australia. The genus was first described by Henry Ellsworth Ewing in 1938. Two genera of chigger mites, eac ...

'' Goff & Easton, 1989 * ''

Eutrombicula orlovensis ''Eutrombicula'' is a genus of mites in the family Trombiculidae. The species of this genus are found throughout North America, and Australia. The genus was first described by Henry Ellsworth Ewing in 1938. Two genera of chigger mites, eac ...

'' Hushcha, 1966 * ''

Eutrombicula wichmanni ''Eutrombicula'' is a genus of mites in the family Trombiculidae. The species of this genus are found throughout North America, and Australia. The genus was first described by Henry Ellsworth Ewing in 1938. Two genera of chigger mites, eac ...

'' (Oudemans, 1905) * '' Eutrombicula wuyiensis'' Song & Wang, 1986 * '' Eutrombicula xixie'' (Wen & Xiang, 1984) * '' Eutrombicula yunkeri'' Geoff & Ingels, 1983

References

External links

* Trombiculidae Arachnids of Europe Taxa described in 1838 Taxa named by Henry Ellsworth Ewing Arachnids of Australia {{Trombidiformes-stub

Non Australian species

Further reading

References

External links