Ichneumonidae Latreille, 1802
Syndipnus abbreviatus Roman, 1909
Syndipnus alaskensis Walley, 1940
Syndipnus albicruris (Gravenhorst, 1829)
Syndipnus alpicolor Aubert, 1998
Syndipnus alutaceus (Holmgren, 1857)
Syndipnus angulatus Roman, 1909
Syndipnus angulinervis (Roman, 1914)
Syndipnus arcticus (Holmgren, 1880)
Syndipnus atricornis (Thomson, 1883)
Syndipnus beerensis Roman, 1934
Syndipnus birulai Roman, 1926
Syndipnus conformis (Holmgren, 1857)
Syndipnus decipiens (Woldstedt, 1877)
Syndipnus delicatus (Ashmead, 1902)
Syndipnus discolor (Holmgren, 1857)
Syndipnus flaviventris Roman, 1909
Syndipnus gaspesianus (Provancher, 1879)
Syndipnus hercynicus Habermehl, 1935
Syndipnus laeviceps (Holmgren, 1883)
Syndipnus lateralis (Gravenhorst, 1829)
Syndipnus lindemansi Teunissen, 1953
Syndipnus macrocerus (Thomson, 1883)
Syndipnus maculiventris Roman, 1909
Syndipnus monticola (Holmgren, 1857)
Syndipnus pannicularius (Holmgren, 1857)
Syndipnus phygadeuontoides Walley, 1945
Syndipnus polyblastoides (Kriechbaumer, 1897)
Syndipnus probatus Walley, 1940
Syndipnus rubiginosus Walley, 1940
Syndipnus saotis Kasparyan, 2003
Syndipnus sternoleucus (Gravenhorst, 1829)
Syndipnus ungavae Walley, 1940