Ichneumonidae Latreille, 1802
Lamachus albopictus Cushman, 1937
Lamachus alpinator Aubert, 1970
Lamachus angularius (Davis, 1897)
Lamachus australis (Schmiedeknecht, 1914)
Lamachus coalitorius (Thunberg, 1822)
Lamachus consimilis (Holmgren, 1857)
Lamachus contortionis Davis, 1897
Lamachus cruralis (Gravenhorst, 1829)
Lamachus dispar (Holmgren, 1857)
Lamachus eques (Hartig, 1838)
Lamachus frutetorum (Hartig, 1838)
Lamachus gelriae Teunissen, 1953
Lamachus gilpiniae Uchida, 1955
Lamachus iwatai Momoi, 1962
Lamachus jusseli Schmiedeknecht, 1914
Lamachus lophyri (Ashmead, 1898)
Lamachus pini (Bridgman, 1882)
Lamachus ruficoxalis (Cushman, 1919)
Lamachus sheni Sheng & Sun, 2007
Lamachus splenditor Aubert, 1989
Lamachus transiens (Ratzeburg, 1852)
Lamachus tsugae Cushman, 1939
Lamachus virginianus (Rohwer, 1915)
Lamachus virgultorum (Gravenhorst, 1829)
