Cidaphus Förster, 1869
Type species: Cidaphus thuringiacus Brauns, 1889 (= Mesochorus alarius Gravenhorst, 1829); desig. by Viereck, 1914
Plesiophthalmus Förster, 1869; preocc. by Motschulsky, 1858
Type species: Mesochorus alarius Gravenhorst, 1829; incl. by Brischke, 1888
Mater Schulz, 1911; new name for Plesiophthalmus
Tetragonalys Morley, 1913
Type species: Tetragonalys barbarica Morley, 1913; desig. by Morley, 1913
Plesiophthalmidea Viereck, 1914
Type species: Plesiophthalmus paniscoides Ashmead, 1892; original designation
Ophthalmochorus Roman, 1925; new name for Plesiophthalmus
Mesochorus alarius Gravenhorst, 1829: 977; ドイツ
Plesiophthalmus alarius: Uchida, 1928: 260; 北海道（札幌,定山渓）,樺太
Cidaphus alarius: Uchida, 1933: 53; 北海道（札幌,定山渓,阿寒）,樺太
分布：北,本;旧北区
Paniscus areolatus Boie, 1850: 215; ドイツ
Mesochorus gigas Kriechbaumer, 1897: 332; イタリア; syn. by Horstmann (2002)
Plesiophthalmus brischkei Szépligeti, 1911: 71; ポーランド; syn. by Horstmann (2002)
Cidaphus areolatus: Horstmann, 2002:
Cidaphus areolatus: Watanabe, 2015: 62; 北海道（夕張岳,日勝峠,恵庭）,山形（飯豊山）,神奈川（丹沢山,相模原）,広島（臥竜山）,高知（本川村）
分布：北,本,四;ヨーロッパ,ロシア（沿海州）
Cryptus (Mesochorus) atricillus Haliday, 1839
Cidaphus potanini Kokujev, 1906: 166; 中国; synonymized by Fitton (1985)
Plesiophthalmus melanocephalus Harbermehl, 1909: 566; スイス; synonymized with Cidaphus potanini by Uchida (1933)
Plesiophthalmus melanocephalus: Uchida, 1928: 259; 北海道（定山渓,大雪山）
Cidaphus potanini: Uchida, 1933: 53; 北海道（定山渓,大雪山）
Cidaphus atricillus: Fitton, 1976:
Cidaphus atricillus: Watanabe, 2015: 62; 北海道（幌加内,樽前山）,長野（御嶽山）,鳥取（氷ノ山）
分布：北,本;旧北区
Cidaphus koreensis Lee, 1991: 23; 韓国
Cidaphus alarius: Nagase, 2004: 1264; 神奈川（鎌倉市二階堂）; misdet.
Cidaphus koreensis: Watanabe, 2015: 62; 神奈川（鎌倉市二階堂）,静岡（岩室山）,対馬（大星山）
分布：本,対;韓国
Boie F (1850) Entomologische Beitrage. Stettiner Entomologische Zeitung, 11: 212?216.
Gravenhorst JLC (1829) Ichneumonologia Europaea. Pars II. Vratislaviae. 989 pp.
Habermehl H (1909) Neue deutsche und schweizerische Ichneumoniden (Hym.). Deutsche Entomologische Zeitschrift, 1909: 563-573.
Haliday AH (1839) Descriptions of new British insects, indicated in Mr. Curtis's guide. Annals of Natural History, 2 (October 1838): 112-121.
Kokujev NR (1906) Hymenoptera asiatica nova VIII. Revue Russe d'Entomologie, 6: 164-169.
Lee JW (1991) A revision of the genus Cidaphus (Hymenoptera: Ichneumonidae: Mesochorinae). Contributions of the American Entomological Institute, 26: 1?48.
Watanabe K (2015) Notes on three Japanese species of the genus Cidaphus Forster, 1869 (Hymenoptera: Ichneumonidae: Mesochorinae). Japanese Journal of Systematic Entomology, 21(1): 61?64.