Isometrus
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''Isometrus'' is a
genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...
of
scorpion Scorpions are predatory arachnids of the Order (biology), order Scorpiones. They have eight legs and are easily recognized by a pair of Chela (organ), grasping pincers and a narrow, segmented tail, often carried in a characteristic forward cur ...
belonging and being
eponymous An eponym is a noun after which or for which someone or something is, or is believed to be, named. Adjectives derived from the word ''eponym'' include ''eponymous'' and ''eponymic''. Eponyms are commonly used for time periods, places, innovati ...
to the family
Buthidae The Buthidae are the largest family of scorpions, containing about 100 genera and 1339 species as of 2022. A few very large genera ('' Ananteris'', '' Centruroides'', '' Compsobuthus'', or '' Tityus'') are known, but a high number of species-poor ...
. Some species are currently assigned to the genus ''Reddyanus''.


Distribution

The species of this genus are found in south and southeast
Asia Asia ( , ) is the largest continent in the world by both land area and population. It covers an area of more than 44 million square kilometres, about 30% of Earth's total land area and 8% of Earth's total surface area. The continent, which ...
and in
Oceania Oceania ( , ) is a region, geographical region including Australasia, Melanesia, Micronesia, and Polynesia. Outside of the English-speaking world, Oceania is generally considered a continent, while Mainland Australia is regarded as its co ...
, with the exception of ''
Isometrus maculatus ''Isometrus maculatus'', commonly as the lesser brown scorpion, is a species of scorpion in the family Buthidae. Its distribution is pantropical; it is an introduced species in Hawaii Hawaii ( ; ) is an island U.S. state, state of t ...
'' which is pantropical.


Current species

* ''
Isometrus adviteeya ''Isometrus'' is a genus of scorpion belonging and being eponymous to the family Buthidae. Some species are currently assigned to the genus ''Reddyanus''. Distribution The species of this genus are found in south and southeast Asia and in Oceani ...
'' Deshpande, Gowande, Dandekar, Joshi, Bastawade & Sulakhe, 2024 * '' Isometrus amboli'' Sulakhe, 2020 * ''
Isometrus anamalaiensis ''Isometrus'' is a genus of scorpion belonging and being eponymous to the family Buthidae. Some species are currently assigned to the genus ''Reddyanus''. Distribution The species of this genus are found in south and southeast Asia and in Oceani ...
'' Deshpande, Gowande, Dandekar, Joshi, Bastawade & Sulakhe, 2024 * '' Isometrus antillanus'' Thorell, 1876 * '' Isometrus armatus'' Pocock, 1891 * '' Isometrus atherii'' Amir & Kamaluddin, 2008 * '' Isometrus atomarius'' Simon, 1884 * '' Isometrus bituberculatus'' Pocock, 1891 * '' Isometrus chinensis'' Karsch, 1879 * ''
Isometrus devillei ''Isometrus'' is a genus of scorpion belonging and being eponymous to the family Buthidae. Some species are currently assigned to the genus ''Reddyanus''. Distribution The species of this genus are found in south and southeast Asia and in Oceani ...
'' Becker, 1880 * '' Isometrus feae'' Thorell, 1889 * '' Isometrus formosus'' Pocock, 1894 * '' Isometrus garyi'' Lourenço & Huber, 2002 * ''
Isometrus gracilis ''Isometrus'' is a genus of scorpion belonging and being eponymous to the family Buthidae. Some species are currently assigned to the genus ''Reddyanus''. Distribution The species of this genus are found in south and southeast Asia and in Oceani ...
'' Thorell, 1876 * ''
Isometrus hainanensis ''Isometrus'' is a genus of scorpion belonging and being eponymous to the family Buthidae. Some species are currently assigned to the genus ''Reddyanus''. Distribution The species of this genus are found in south and southeast Asia and in Oceani ...
'' Lourenço, Qi & Zhu, 2005 * ''
Isometrus infuscatus ''Isometrus'' is a genus of scorpion belonging and being eponymous to the family Buthidae. Some species are currently assigned to the genus ''Reddyanus''. Distribution The species of this genus are found in south and southeast Asia and in Oceani ...
'' Pocock, 1891 * ''
Isometrus isadensis ''Isometrus isadensis'' is a species of scorpion in the family Buthidae The Buthidae are the largest family of scorpions, containing about 100 genera and 1339 species as of 2022. A few very large genera ('' Ananteris'', '' Centruroides'', '' C ...
'' Tikader & Bastawade, 1983 * ''
Isometrus kovariki ''Isometrus kovariki'' is a species of scorpion in the family ''Buthidae''. It was identified in and currently found only in a small region of Southern Karnataka, in an '' Acacia auriculiformis'' plantation, and it is closely related to '' Isomet ...
'' Sulakhe, Dandekar, Mukherjee, Pandey, Ketkar, Padhye & Bastawade, 2020 * ''
Isometrus lao ''Isometrus'' is a genus of scorpion belonging and being eponymous to the family Buthidae. Some species are currently assigned to the genus ''Reddyanus''. Distribution The species of this genus are found in south and southeast Asia and in Oceani ...
'' Lourenço & Leguin, 2012 * ''
Isometrus liaqatii ''Isometrus'' is a genus of scorpion belonging and being eponymous to the family Buthidae. Some species are currently assigned to the genus ''Reddyanus''. Distribution The species of this genus are found in south and southeast Asia and in Oceani ...
'' Amir & Kamaluddin, 2008 * '' Isometrus lithophilis'' Deshpande, Gowande, Dandekar, Joshi, Bastawade & Sulakhe, 2024 * ''
Isometrus maculatus ''Isometrus maculatus'', commonly as the lesser brown scorpion, is a species of scorpion in the family Buthidae. Its distribution is pantropical; it is an introduced species in Hawaii Hawaii ( ; ) is an island U.S. state, state of t ...
'' (DeGeer, 1778) * ''
Isometrus mesor ''Isometrus'' is a genus of scorpion belonging and being eponymous to the family Buthidae. Some species are currently assigned to the genus ''Reddyanus''. Distribution The species of this genus are found in south and southeast Asia and in Oceani ...
'' Simon, 1884 * ''
Isometrus palani ''Isometrus'' is a genus of scorpion belonging and being eponymous to the family Buthidae. Some species are currently assigned to the genus ''Reddyanus''. Distribution The species of this genus are found in south and southeast Asia and in Oceani ...
'' Deshpande, Gowande, Dandekar, Joshi, Bastawade & Sulakhe, 2024 * '' Isometrus pallidimanus'' Karsch, 1879 * '' Isometrus papuensis'' Werner, 1916 * '' Isometrus phipsoni'' Oates, 1888 * '' Isometrus sonticus'' Karsch, 1879 * '' Isometrus tamhini'' Sulakhe, Dandekar, Padhye & Bastawade, 2020 * ''
Isometrus thenmala ''Isometrus'' is a genus of scorpion belonging and being eponymous to the family Buthidae. Some species are currently assigned to the genus ''Reddyanus''. Distribution The species of this genus are found in south and southeast Asia and in Oceani ...
'' Deshpande, Gowande, Dandekar, Joshi, Bastawade & Sulakhe, 2024Shubhankar Deshpande, Gaurang Gowande, Nikhil Dandekar, Mihir Joshi, Deshabhushan Bastawade and Shauri Sulakhe. 2024. A Baffling Case of Morphological, Molecular and Ecological Discordance in Isometrus Ehrenberg, 1828 (Scorpiones: Buthidae) with the Description of Five New Species from southern India. Zoologischer Anzeiger. 308; 71-98. DOI: 10.1016/j.jcz.2023.11.001 * '' Isometrus thorellii'' Koch & Keyserling, 1885 * '' Isometrus thurstoni'' Pocock, 1893 * '' Isometrus thwaitesi'' Pocock, 1897 * '' Isometrus weberi'' Karsch, 1882


Former species

All species are assigned to ''Reddyanus''. * '' Isometrus acanthurus'' Pocock, 1899 * '' Isometrus assamensis'' Oates, 1888 * '' Isometrus basilicus'' Karsch, 1879 * '' Isometrus besucheti'' Vachon, 1982 * '' Isometrus bilyi'' Kovařík, 2003 * '' Isometrus brachycentrus'' Pocock, 1899 * '' Isometrus corbeti'' Tikader & Batawade, 1983 * ''
Isometrus deharvengi ''Isometrus'' is a genus of scorpion belonging and being eponymous to the family Buthidae. Some species are currently assigned to the genus ''Reddyanus''. Distribution The species of this genus are found in south and southeast Asia and in Oceani ...
'' Lourenço & Duhem, 2010 * '' Isometrus heimi'' Vachon, 1976 * '' Isometrus khammamensis'' Kovařík, 2003 * '' Isometrus krasenskyi'' Kovařík, 1998 * '' Isometrus kurkai'' Kovařík, 1997 * '' Isometrus loebli'' Vachon, 1982 * '' Isometrus melanodactylus'' (L. Koch, 1867) * '' Isometrus navaiae'' Kovařík, 1998 * '' Isometrus petrzelkai'' Kovařík, 2003 * '' Isometrus problematicus'' Kovařík, 2003 * '' Isometrus rigidulus'' Pocock, 1897 * '' Isometrus tibetanus'' Lourenço & Zhu, 2008 * '' Isometrus vittatus'' Pocock, 1900 * '' Isometrus zideki'' Kovařík, 1994


References

* Ehrenberg, 1828 : ''Arachnoidea, Scorpiones.'' in Hemprich & Ehrenberg, ''Symbolae physicae seu icones et descriptiones animalium evertebratorum sepositis insectis quae ex itinere per Africanum borealem et Asiam occidentalem.'' Friderici Guielmi Hemprich et Christiani Godofredi Ehrenberg, studio novae aut illustratae redierunt. Percensuit editit Dr. C.G. Ehrehberg. Decas I. Berolini ex officina Academica, venditur a Mittlero, Berlin. *Sulakhe, Shauri & Dandekar, Nikhil & Mukherjee, Shomen & Pandey, Malay & Ketkar, Makarand & Padhye, Anand & Bastawade, Deshabhushan. (2020). A new species of Isometrus (Scorpiones: Buthidae) from southern India. 310. 1-13. * * {{Taxonbar, from=Q3155540 Taxa named by Christian Gottfried Ehrenberg