Platygastridae Haliday, 1833
Isocybus antennalis Kieffer, 1916
Isocybus ascendens Kieffer, 1913
Isocybus auripes (Provancher, 1888)
Isocybus bifracticornis (Zetterstedt, 1840)
Isocybus brevistriatus Kieffer, 1916
Isocybus cameroni Kieffer, 1913
Isocybus canadensis (Provancher, 1887)
Isocybus compressus Kieffer, 1913
Isocybus cotta (Walker, 1836)
Isocybus dhenkundensis Mukerjee, 1978
Isocybus dulcinea Buhl, 2001
Isocybus erato (Walker, 1836)
Isocybus femoralis Kieffer, 1916
Isocybus grandis (Nees von Esenbeck, 1834)
Isocybus horizontalis Kieffer, 1913
Isocybus hungaricus Kieffer, 1916
Isocybus indicus Mani, 1975
Isocybus levis Kieffer, 1916
Isocybus luteicoxis Kieffer, 1916
Isocybus mahunkai Szabó, 1981
Isocybus matuta (Walker, 1836)
Isocybus mediterraneus Kieffer, 1916
Isocybus nigriclavus Ashmead, 1890
Isocybus ocellaris Kieffer, 1916
Isocybus pallidicornis Thomson, 1859
Isocybus pallipes (Say, 1828)
Isocybus pyramidalis Kieffer, 1913
Isocybus pyramidialis Kieffer, 1913
Isocybus rufiventris Kieffer, 1916
Isocybus strigosus Thomson, 1859
Isocybus thomsoni Kieffer, 1926
Isocybus trochanteratus Thomson, 1859
Isocybus walkeri Kieffer, 1926