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]

Isometrus
Isometrus maculatus
Scientific classification Edit this 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

Distribution

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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

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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

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Former species

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All species are assigned to Reddyanus.

References

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  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.
  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.
  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.