Megaplectes Förster, 1869
Type species: Ichneumon monticola Gravenhorst, 1829; incl. by Schmiedeknecht, 1890
Iocryptus Thomson, 1873
Type species: Phygadeuon regius Taschenberg, 1865 (= Ichneumon monticola Gravenhorst, 1829); monobasic
Megaloplectes Schulz, 1906; emendation for Megaplectes
Megaplectes monticola var. dentatus Uchida, 1930: 304; 樺太,北海道（定山渓,大雪山）
Megaplectes monticola f. dentatus: Matsumura, 1931: 54; 北海道
Megaplectes monticola f. dentatus: Uchida, 1936: 1; 北海道,樺太
Megaplectes monticola dentatus: Townes & Gupta, 1962: 222; 長野（上高地,乗鞍岳）,カナダ,アラスカ
Megaplectes monticola dentatus: Townes, Momoi & Townes, 1965: 162
分布：北,本;東アジア,新北区
Ichneumon monticola Gravenhorst, 1829: 108; フィンランド,ポーランド
Megaplectes monticola: Schmiedeknecht, 1890: 87; ドイツ
Megaplectes monticola: Habermehl, 1930: 1; カムチャッカ
Megaplectes monticola: Uchida, 1936: 1; 高知（瓶ヶ森,土小屋）,愛媛（石鎚）
Megaplectes monticola: Townes, Momoi & Townes, 1965: 163
分布：旧北区
Gravenhorst JLC (1829) Ichneumonologia Europaea. Pars I. Vratislaviae. 827 pp.
Townes HK & Gupta VK (1962) Ichneumon-flies of America north of Mexico: 4. Subfamily Gelinae, tribe Hemigasterini. Memoirs of the American Entomological Institute, 2: 1-305.