Isometrus

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 Oceania, with the exception of Isometrus maculatus which is pantropical.

Description
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.

Current species

 * Isometrus adviteeya Deshpande, Gowande, Dandekar, Joshi, Bastawade & Sulakhe, 2024
 * Isometrus amboli Sulakhe, 2020
 * Isometrus anamalaiensis 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 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
 * Isometrus maculatus (DeGeer, 1778)
 * Isometrus mesor Simon, 1884
 * Isometrus palani 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 Deshpande, Gowande, Dandekar, Joshi, Bastawade & Sulakhe, 2024
 * 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 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