Lychas

Lychas is a genus of scorpions belonging to the family Buthidae. It is one of the most widespread genus of the scorpions, where the species are found throughout in Africa and Seychelles, and in the Oriental region from India to Melanesia.

Description
Total length is 21.8 to 90 mm. Sternum type 1 is subpentagonal or subtriangular. Pedipalps are orthobothriotaxic. Cheliceral fixed finger with a single ventral denticle. Third and fourth legs consists with tibial spurs. Pectines have conspicuous or inconspicuous fulcra, but rarely can be without fulcra. There are about 8 to 26 pectinal teeth. Movable fingers of pedipalps consist with six rows of granules. Total number of terminal granules is 6 or 7. Carapace with horizontal entire dorsal surface laterally. Telson with a distinct subaculear tooth.

Species
There are about 42 species.


 * Lychas aberlenci Lourenço, 2013
 * Lychas americanus Koch, 1845
 * Lychas annulatus Glauert, 1925
 * Lychas armasi Kovarík, 2013
 * Lychas armillatus (Gervais, 1841)
 * Lychas asper (Pocock, 1891)
 * Lychas biharensis Tikader & Bastawade, 1983
 * Lychas brehieri Lourenço, 2017
 * Lychas buchardi Kovarík, 1997
 * Lychas buchari Kovařík, 1997
 * Lychas cernickai Kovarík, 2013
 * Lychas ceylonensis Lourenço & Huber, 1999
 * Lychas flavimanus (Thorell, 1888)
 * Lychas gravelyi Henderson, 1913
 * Lychas hendersoni (Pocock, 1897)
 * Lychas hillyardi Kovarík, 1997
 * Lychas inexpectatus Lourenço, 2011
 * Lychas jonesae Glauert, 1925
 * Lychas kamshetensis Tikader & Bastawade, 1983
 * Lychas kharpadi Bastawade, 1986
 * Lychas krali Kovarík, 1995
 * Lychas lappa Glauert, 1954
 * Lychas lourencoi Kovarík, 1997
 * Lychas mabillanus Rochebrune, 1884
 * Lychas marmoreus (C.L.Koch, 1844)
 * Lychas melanodactylus Koch, 1867
 * Lychas mjobergi Kraepelin, 1916
 * Lychas mucronatus (Fabricius, 1798)
 * Lychas nigristernis (Pocock, 1899)
 * Lychas obsti Kraepelin, 1913
 * Lychas paraensis Koch, 1845
 * Lychas perfidus (Keyserling, 1885)
 * Lychas rackae Kovarík, 1997
 * Lychas rugosus (Pocock, 1897)
 * Lychas santoensis Lourenço, 2009
 * Lychas scaber (Pocock, 1893)
 * Lychas scutilus C.L.Koch, 1845
 * Lychas serratus (Pocock, 1891)
 * Lychas shelfordi (Borelli, 1904)
 * Lychas spinatus Kraepelin, 1916
 * Lychas srilankensis Lorenco, 1997
 * Lychas truncatus Glauert, 1925
 * Lychas variatus (Thorell, 1876)