Isometrus

Genus of scorpions

Isometrus

Isometrus maculatus
Scientific classification
Domain:  | Eukaryota
Kingdom:  | Animalia
Phylum:  | Arthropoda
Subphylum:  | Chelicerata
Class:  | Arachnida
Order:  | Scorpiones
Family:  | Buthidae
Genus:  | Isometrus
Ehrenberg, 1828
Type species
Scorpio maculatus

De Geer, 1778

Diversity
29 Species
Synonyms

* Closotrichus Tikader & Bastawade, 1983
* Buthus (Isometrus) Ehrenberg in Hemprich & Ehrenberg, 1828
* Isometrus (Isometrus) Vachon, 1972
* Isometrus (Raddyanus [sic]) Tikader & Bastawade, 1983
* Isometrus (Closotrichus) Tikader & Bastawade, 1983

Isometrus is a genus of scorpion belonging and being eponymous to the family Buthidae.[1][2] Some species are currently assigned to the genus Reddyanus.[3]

## Distribution

[edit]

The species of this genus are found in south and southeast Asia and in Oceania, with the exception of Isometrus maculatus which is pantropical.

## Description

[edit]

They are medium sized buthids, where the adults have a body length of 30 to 75 mm. Pedipalps are orthobothriotaxic. Chelal trichobothrium db is located between dt and et. There are 3 to 5 pairs of lateral eyes. Tibial spurs are absent on all legs. Movable and fixed fingers of pedipalps consists with six rows of granules.[4]

## Current species

[edit]

* Isometrus adviteeya Deshpande, Gowande, Dandekar, Joshi, Bastawade & Sulakhe, 2024[5]
* Isometrus amboli Sulakhe, 2020
* Isometrus anamalaiensis Deshpande, Gowande, Dandekar, Joshi, Bastawade & Sulakhe, 2024[6]
* 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 Becker, 1880
* Isometrus feae Thorell, 1889
* Isometrus formosus Pocock, 1894
* Isometrus garyi Lourenço & Huber, 2002
* Isometrus gracilis Thorell, 1876
* Isometrus hainanensis Lourenço, Qi & Zhu, 2005
* Isometrus infuscatus Pocock, 1891
* Isometrus isadensis Tikader & Bastawade, 1983
* Isometrus kovariki Sulakhe, Dandekar, Mukherjee, Pandey, Ketkar, Padhye & Bastawade, 2020
* Isometrus lao Lourenço & Leguin, 2012
* Isometrus liaqatii Amir & Kamaluddin, 2008
* Isometrus lithophilis Deshpande, Gowande, Dandekar, Joshi, Bastawade & Sulakhe, 2024[7]
* Isometrus maculatus (DeGeer, 1778)
* Isometrus mesor Simon, 1884
* Isometrus palani Deshpande, Gowande, Dandekar, Joshi, Bastawade & Sulakhe, 2024[8]
* 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 Deshpande, Gowande, Dandekar, Joshi, Bastawade & Sulakhe, 2024[9]
* Isometrus thorellii Koch & Keyserling, 1885
* Isometrus thurstoni Pocock, 1893
* Isometrus thwaitesi Pocock, 1897
* Isometrus weberi Karsch, 1882

## Former species

[edit]

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 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

[edit]

1. ^ "A new species of Isometrus (Scorpiones: Buthidae) from southern India". Euscorpius - Occasional Publications in Scorpiology. 2020, No. 310. Retrieved 2021-08-28.
2. ^ "A review of the genus Isometrus Ehrenberg, 1828 (Scorpiones: Buthidae) with descriptions of four new species from Asia and Australia". Euscorpius — Occasional Publications in Scorpiology. 2003, No. 10. Retrieved 2021-08-30.
3. ^ Kovařík, František; Šťáhlavský, František (2019-12-07). "Revision of the genus Reddyanus from Southeast Asia, with description of five new species from Cambodia, Malaysia, Thailand and Vietnam (Scorpiones: Buthidae)". Euscorpius. 2019 (295): 1–45\. doi:10.18590/euscorpius.2019.vol2019.iss295.1. S2CID 214363192. Retrieved 2021-08-30.1-45&rft.date=2019-12-07&rft_id=info:doi/10.18590/euscorpius.2019.vol2019.iss295.1&rft_id=https://api.semanticscholar.org/CorpusID:214363192#id-name=S2CID&rft.aulast=Kovařík&rft.aufirst=František&rft.au=Šťáhlavský,+František&rft_id=https://mds.marshall.edu/euscorpius/vol2019/iss295/1&rfr_id=info:sid/en.wikipedia.org:Isometrus" class="Z3988">
4. ^ Charles University; Kovařík, František; Lowe, Graeme; Monell Chemical Senses Center; Ranawana, Kithsiri B.; University of Peradeniya; Hoferek, David; Jayarathne, V. A. Sanjeewa; University of Peradeniya (2016). "Scorpions of Sri Lanka (Scorpiones: Buthidae, Chaerilidae, Scorpionidae) with description of four new species of the genera Charmus Karsch, 1879 and Reddyanus Vachon, 1972, stat. n". Euscorpius. 2016 (220): 1–133\. doi:10.18590/euscorpius.2016.vol2016.iss220.1. Retrieved 2021-08-29.1-133&rft.date=2016&rft_id=info:doi/10.18590/euscorpius.2016.vol2016.iss220.1&rft.au=Charles+University&rft.au=Kovařík,+František&rft.au=Lowe,+Graeme&rft.au=Monell+Chemical+Senses+Center&rft.au=Ranawana,+Kithsiri+B.&rft.au=University+of+Peradeniya&rft.au=Hoferek,+David&rft.au=Jayarathne,+V.+A.+Sanjeewa&rft.au=University+of+Peradeniya&rft_id=https://mds.marshall.edu/euscorpius/vol2016/iss220/1/&rfr_id=info:sid/en.wikipedia.org:Isometrus" class="Z3988">
5. ^ Shubhankar 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
6. ^ Shubhankar 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
7. ^ Shubhankar 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
8. ^ Shubhankar 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
9. ^ Shubhankar 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

* 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.

* Media related to Isometrus at Wikimedia Commons
* Data related to Isometrus at Wikispecies

Taxon identifiers

Isometrus|

* Wikidata: Q3155540
* Wikispecies: Isometrus
* AFD: Isometrus
* BioLib: 132572
* BOLD: 931011
* CoL: 55JF
* EPPO: 1ISOMG
* Fauna Europaea: 170059
* Fauna Europaea (new): 84a9553f-6ef0-4d86-8d23-348060a8d95b
* GBIF: 4405765
* iNaturalist: 363790
* IRMNG: 1258950
* NCBI: 259579
* Open Tree of Life: 1089386