Lychas

Lychas is a genus of scorpions belonging to the family Buthidae.^[1] 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.^[1]

Lychas
Lychas marmoreus
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Subphylum:	Chelicerata
Class:	Arachnida
Order:	Scorpiones
Family:	Buthidae
Genus:	Lychas Koch, 1845
Type species
Lychas scutilus C. L. Koch, 1845
Diversity
42 species
Synonyms
Alterotrichus Tikader & Bastawade, 1983 Archiosometrus Stahnke, 1972 Archisometrus Kraepelin, 1891 Distotrichus Tikader & Bastawade, 1983 Endotrichus Tikader & Bastawade, 1983 Lichas Fage, 1936 Lycas Caporiacco, 1941 Pilumnus Koch, 1837 Repucha Fet, 1997 Repucha Francke, 1985

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.^[2]

Species

There are about 42 species.^[1]

• 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)