Runcinia is a genus of crab spiders that was first described by Eugène Louis Simon in 1875. The former R. elongata is a synonym of Thomisus elongatus. Species it contains 27 species, found mostly in Africa and east Asia, with a few exceptions: Runcinia acuminata (Thorell, 1881) – Bangladesh to Japan, New Guinea, Australia Runcinia aethiops (Simon, 1901) – Africa Runcinia albida (Marx, 1893) – Congo Runcinia bifrons (Simon, 1895) – India, Sri Lanka, Vietnam Runcinia carae Dippenaar-Schoeman, 1983 – Botswana, Kenya Runcinia caudata Schenkel, 1963 – China Runcinia depressa Simon, 1906 – Africa Runcinia disticta Thorell, 1891 – Myanmar, Indonesia (Sumatra, Java) Runcinia dubia Caporiacco, 1940 – Somalia Runcinia erythrina Jézéquel, 1964 – West, Southern Africa Runcinia escheri Reimoser, 1934 – India Runcinia flavida (Simon, 1881) – Spain, Africa Runcinia ghorpadei Tikader, 1980 – India Runcinia grammica (C. L. Koch, 1837) (type) – Europa, Middle East to Iran, Russia (Europe to West Siberia), Central Asia, China, Japan. Introduced to St. Helena, South Africa Runcinia insecta (L. Koch, 1875) – Africa, Asia. Introduced to Australia Runcinia johnstoni Lessert, 1919 – Africa Runcinia khandari Gajbe, 2004 – India Runcinia kinbergi Thorell, 1891 – Myanmar, India (Nicobar Is.), Indonesia (Java) Runcinia manicata Thorell, 1895 – Myanmar Runcinia multilineata Roewer, 1961 – Senegal Runcinia roonwali Tikader, 1965 – India Runcinia sitadongri Gajbe, 2004 – India Runcinia soeensis Schenkel, 1944 – Indonesia (West Timor) Runcinia spinulosa (O. Pickard-Cambridge, 1885) – Pakistan, India Runcinia tarabayevi Marusik & Logunov, 1990 – Central Asia Runcinia tropica Simon, 1907 – Africa Runcinia yogeshi Gajbe & Gajbe, 2001 – India In synonymy: R. advecticia (Simon, 1909, T from Plancinus) = Runcinia insecta (L. Koch, 1875) R. affinis Simon, 1897 = Runcinia insecta (L. Koch, 1875) R. albostriata Bösenberg & Strand, 1906 = Runcinia insecta (L. Koch, 1875) R. annamita Simon, 1903 = Runcinia insecta (L. Koch, 1875) R. cataracta Lawrence, 1927 = Runcinia insecta (L. Koch, 1875) R. cerina (C. L. Koch, 1845) = Runcinia grammica (C. L. Koch, 1837) R. chauhani Sen & Basu, 1972 = Runcinia insecta (L. Koch, 1875) R. cherapunjea (Tikader, 1966, T from Thomisus) = Runcinia insecta (L. Koch, 1875) R. littorina Lawrence, 1942 = Runcinia flavida (Simon, 1881) R. proxima Lessert, 1919 = Runcinia flavida (Simon, 1881) R. proxima Millot, 1941 = Runcinia flavida (Simon, 1881) R. sangasanga Barrion & Litsinger, 1995 = Runcinia insecta (L. Koch, 1875) R. sjostedti Lessert, 1919 =