Cryptus Fabricius, 1804
Type species: Cryptus viduatorius Fabricius, 1804; desig. by Curtis, 1837
Eucryptus Haldeman, 1842; new name for Cryptus
Itamoplex Förster, 1869
Type species: Cryptus americanus Cresson, 1864 (= Ischnus albitarsis Cresson, 1864); desig. by Viereck, 1914
Plesiocryptus Cameron, 1903
Type species: Plesiocryptus carinifrons Cameron, 1903; monobasic
Cryptus dianae Gravenhorst, 1829: 545; ヨーロッパ
Cryptus dianae: Uchida, 1930: 306; 北海道（札幌）,韓国
Trachysphyrus dianae: Townes, Momoi & Townes, 1965: 179
Itamoplex dianae: Townes, 1969: 194
分布：北;旧北区
Cryptus konoi Uchida, 1936: 39: 北海道（大雪山）,国後島
Trachysphyrus konoi: Townes, Momoi & Townes, 1965: 180
Itamoplex konoi: Townes, 1969: 194
分布：北,千島
Trachysphyrus luctuosus atrifemur Townes, 1962: 223; 長野（乗鞍岳）
Caenocryptus luctuosus atrifemur: Townes, 1969: 190
分布：本
Cryptus nipponensis Uchida, 1930: 308; 北海道（札幌）,韓国
Trachysphyrus nipponensis: Townes, Momoi & Townes, 1965: 182
分布：北;韓国
Cryptus ohshimensis Uchida, 1930: 81; 伊豆大島
Trachysphyrus ohshimensis: Townes, Momoi & Townes, 1965: 182
Itamoplex ohshimensis: Townes, 1969: 194
分布：伊
Ichneumon spiralis Geoffroy, 1785: 407; フランス
Cryptus spiralis: Gravenhorst, 1829: 454; ヨーロッパ
Cryptus spiralis: Uchida, 1930: 306; 北海道（帯広）,韓国
Trachysphyrus spiralis: Townes, Momoi & Townes, 1965: 184
Itamoplex spiralis: Townes, 1969: 194
分布：北;旧北区
Fourcroy AF (1785) Entomologia Parisiensis, sive catalogus insectorum quae in agro Parisiensi reperiuntur. Paris. 544 pp.
Gravenhorst JLC (1829) Ichneumonologia Europaea. Pars II. Vratislaviae. 989 pp.
Townes HK (1969) The genera of Ichneumonidae, Part 2. Memoirs of the American Entomological Institute, No.12. 537pp.
Townes HK, Momoi S & Townes M (1965) A catalogue and reclassification of the eastern Palearctic Ichneumonidae. Memoirs of the American Entomological Institute, No.5. 661pp.
Townes HK & Townes M (1962) Ichneumon-flies of American north of Mexico: 3 Subfamily Gelinae, Tribe Mesostenini. United States National Museum Bulletin, 216 (3): 1-602.