Ichneumonidae Latreille, 1802
Mastrus aciculatus (Provancher, 1886)
Mastrus albiscapus (Ashmead, 1890)
Mastrus albobasalis (Schmiedeknecht, 1933)
Mastrus annulatus (Ashmead, 1890)
Mastrus atricornis (Strobl, 1901)
Mastrus autumnalis (Provancher, 1882)
Mastrus boreaphilus (Roman, 1939)
Mastrus carpocapsae (Cushman, 1915)
Mastrus clausus Horstmann, 1990
Mastrus costalis (Thomson, 1884)
Mastrus deminuens (Hartig, 1838)
Mastrus ecornutus Momoi, 1970
Mastrus extensor (Cushman, 1919)
Mastrus fukaii (Viereck, 1911)
Mastrus fumipennis (Thomson, 1884)
Mastrus gravipunctor Aubert, 1977
Mastrus hydrophilus (Ashmead, 1890)
Mastrus ineditus (Kokujev, 1909)
Mastrus intermedius (Cresson, 1872)
Mastrus laplantei Mason, 1968
Mastrus longicauda Horstmann, 1990
Mastrus longulus Horstmann, 1990
Mastrus mandibularis Horstmann, 1990
Mastrus melanocephalus (Smits van Burgst, 1913)
Mastrus molestae (Uchida, 1933)
Mastrus montanus Horstmann, 1990
Mastrus mucronatus (Provancher, 1886)
Mastrus nigridens Horstmann, 1990
Mastrus oshimensis (Uchida, 1930)
Mastrus parviceps (Hellen, 1967)
Mastrus pastranai (Millan & de Santis, 1958)
Mastrus pictipes (Gravenhorst, 1829)
Mastrus pilifrons (Provancher, 1879)
Mastrus polychrosidis (Cushman, 1919)
Mastrus ridibundus (Gravenhorst, 1829)
Mastrus rubitergator Aubert, 1977
Mastrus rubricornis (Ashmead, 1890)
Mastrus rufipes (Ashmead, 1902)
Mastrus rufobasalis (Habermehl, 1920)
Mastrus rufulus (Thomson, 1884)
Mastrus sanguinatorius (Habermehl, 1920)
Mastrus silbernageli (Kiss, 1929)
Mastrus smithii (Packard, 1865)
Mastrus sordipes (Gravenhorst, 1829)
Mastrus subspinosus (Provancher, 1882)
Mastrus sugiharai (Uchida, 1936)
Mastrus takadai Momoi, 1970
Mastrus tenuibasalis (Uchida, 1940)
Mastrus tenuicosta (Thomson, 1884)
Mastrus varicoxis (Taschenberg, 1865)