Ichneumonidae Latreille, 1802
Diadromus albiceps Strobl, 1901
Diadromus albinotatus (Gravenhorst, 1829)
Diadromus angusticornis Gokhman, 1995
Diadromus arcticus Thomson, 1891
Diadromus arrisor Wesmael, 1845
Diadromus bipunctatus Brischke, 1862
Diadromus buciumensis Constantineanu, 1959
Diadromus candidatus (Gravenhorst, 1829)
Diadromus capitosus Berthoumieu, 1901
Diadromus carinifer Gokhman, 1995
Diadromus collaris (Gravenhorst, 1829)
Diadromus erythrostomus (Cameron, 1908)
Diadromus helvolus (Cresson, 1867)
Diadromus heteroneurus Holmgren, 1890
Diadromus intermedius Wesmael, 1845
Diadromus japonicus (Ashmead, 1906)
Diadromus marginatus (Provancher, 1886)
Diadromus medialis Thomson, 1891
Diadromus peterseni (Habermehl, 1923)
Diadromus pimplarius Wesmael, 1848
Diadromus pulchellus Wesmael, 1845
Diadromus pygmaeus Brischke, 1862
Diadromus rubicundus (Berthoumieu, 1895)
Diadromus rufiventris Strobl, 1901
Diadromus shakotanus Uchida, 1936
Diadromus subtilicornis (Gravenhorst, 1829)
Diadromus tenax Wesmael, 1845
Diadromus troglodytes (Gravenhorst, 1829)
Diadromus ustulatus Holmgren, 1890
Diadromus varicolor Wesmael, 1845
Diadromus zwakhalsi Diller, 1996
