In synonymy:
Machomenus Marx, 1893 = Runcinia Simon, 1875 (Simon, 1903a: 1012)
Runciniopsis Simon, 1881 = Runcinia Simon, 1875 (Simon, 1903a: 1012)
Transferred to other genera:
Runcinia elongata (Stoliczka, 1869) -- see Thomisus
Runcinia plana Simon, 1895 -- see Uraarachne
In synonymy:
Runcinia advecticia (Simon, 1909, T from Plancinus) = Runcinia insecta (L. Koch, 1875) (Lehtinen, 2004: 175, sub R. affinis)
Runcinia affinis Simon, 1897 = Runcinia insecta (L. Koch, 1875) (Szymkowiak, 2014: 450)
Runcinia albostriata Bösenberg & Strand, 1906 = Runcinia insecta (L. Koch, 1875) (Lehtinen, 2004: 175, sub R. affinis)
Runcinia amoena (Blackwall, 1870, T from Thomisus) = Runcinia grammica (C. L. Koch, 1837) (Simon, 1875a: 255, sub Runcinia lateralis)
Runcinia annamita Simon, 1903 = Runcinia insecta (L. Koch, 1875) (Lehtinen, 2004: 175, sub R. affinis)
Runcinia cataracta Lawrence, 1927 = Runcinia insecta (L. Koch, 1875) (Dippenaar-Schoeman, 1980a: 317, sub R. affinis)
Runcinia cerina (C. L. Koch, 1845) = Runcinia grammica (C. L. Koch, 1837) (Benoit, 1977f: 82)
Runcinia chauhani Sen & Basu, 1972 = Runcinia insecta (L. Koch, 1875) (Lehtinen, 2004: 176, sub R. affinis)
Runcinia cherapunjea (Tikader, 1966, T from Thomisus) = Runcinia insecta (L. Koch, 1875) (Lehtinen, 2004: 176, sub R. affinis)
Runcinia lateralis (C. L. Koch, 1837) = Runcinia grammica (C. L. Koch, 1837) (Roewer, 1955c: 853, sub Runcinia cerina)
Runcinia littorina Lawrence, 1942 = Runcinia flavida (Simon, 1881) (Dippenaar-Schoeman, 1980a: 307)
Runcinia proxima Lessert, 1919 = Runcinia flavida (Simon, 1881) (Dippenaar-Schoeman, 1980a: 307)
Runcinia proxima voltaensis Millot, 1942 = Runcinia flavida (Simon, 1881) (Dippenaar-Schoeman, 1980a: 307)
Runcinia sangasanga Barrion & Litsinger, 1995 = Runcinia insecta (L. Koch, 1875) (Lehtinen, 2004: 176, sub R. affinis)
Runcinia sjostedti Lessert, 1919 = Runcinia johnstoni Lessert, 1919 (Dippenaar-Schoeman, 1980a: 310)
Homonym replaced:
Runcinia elongata (L. Koch, 1874) -- see Runcinia acuminata Thorell, 1881 Thorell, 1881
Nomina dubia:
Runcinia longipes Strand, 1906b: 625 (j, Ethiopia) -- Nentwig et al., 2020: 27
Runcinia oculifrons Strand, 1907d: 734, Strand, 1907o: 79 (m, Madagascar) -- Nentwig et al., 2020: 27