Ichneumonidae Latreille, 1802
Exyston aculeolatus Kasparyan, 1975
Exyston albicinctus (Gravenhorst, 1820)
Exyston ater Mason, 1959
Exyston austelli Mason, 1959
Exyston boreotis Davis, 1897
Exyston bursosus Kasparyan, 1975
Exyston calcaratus Thomson, 1883
Exyston californicus Mason, 1959
Exyston chamaeleon Mason, 1959
Exyston chinensis Gupta, 1993
Exyston clavatus (Cresson, 1864)
Exyston clementi (Kerrich, 1952)
Exyston excelsus (Cresson, 1865)
Exyston flavens Davis, 1897
Exyston genalis Thomson, 1883
Exyston hadros Mason, 1959
Exyston humeralis Davis, 1897
Exyston illinois Mason, 1959
Exyston lophotos Mason, 1959
Exyston maculosus (Provancher, 1875)
Exyston marginatus Provancher, 1886
Exyston montanus Kerrich, 1975
Exyston politus Davis, 1897
Exyston pratorum (Woldstedt, 1874)
Exyston reniformis Mason, 1959
Exyston salebroon Kasparyan, 1975
Exyston sibiricus (Kerrich, 1952)
Exyston speciosus Davis, 1897
Exyston spinulosus Mason, 1959
Exyston sponsorius (Fabricius, 1781)
Exyston subnitidus (Gravenhorst, 1829)
Exyston variatus Provancher, 1877
Exyston venustus (Cresson, 1865)