Metopius Panzer, 1806
Peltastes Illiger, 1807
Type species: Ichneumon necatorius Fabricius, 1793
Tylopius Townes & Townes, 1959
Type species: Metopius pinatorius Brullé, 1846; original designation
Metopius (Ceratopius) takabayashii Uchida, 1930: 253; 東京; synonymized by Townes, Momoi & Townes (1965)
Metopius (Ceratopius) arakawai Uchida, 1930: 253; 愛媛
Metopius (Ceratopius) arakawai: Okabe, 1934: 2; 大分（別府）; カラカネヨトウ
Metopius (Ceratopius) temmanensis Uchida, 1955: 132; 韓国; synonymized by Townes, Momoi & Townes (1965)
Metopius hakiensis var. takabayashii: Iwata, 1958: 71; 兵庫
Metopius (Ceratopius) arakawai: Ohmori, 1959: 32; 佐渡
Metopius (Tylopius) arakawai: Townes, Momoi & Townes, 1965: 350
Metopius (Tylopius) arakawai: Kusigemati, 1971: 225; 新潟,東京,兵庫,愛媛,高知,韓国
Metopius (Tylopius) arakawai: Kusigemati, 1986: 33; 新潟
Metopius arakawai: Nagase, 2004: 1264; 神奈川（鎌倉市二階堂）
Metopius (Tylopius) arakawai: Katayama & Watanabe, 2014: 55; 栃木（那須塩原）
分布：本,佐,四,九;韓国
寄主：Karana hoenei カラカネヨトウ
Metopius (Ceratopius) coreanus Uchida, 1930: 248; 韓国
Metopius coreanus: Matsumura, 1931: 56; 日本,韓国
Metopius coreanus: Ishii, 1932: 427; 長崎
Metopius (Tylopius) coreanus: Townes & Townes, 1959: 350
分布：九;中国,韓国,モンゴル
Metopius (Ceratopius) fossulatus Uchida, 1933: 72; 北海道（札幌）
Metopius (Tylopius) fossulatus: Townes, Momoi & Townes, 1965: 350
Metopius (Tylopius) fossulatus: Kusigemati, 1971: 223; 北海道（札幌,アポイ岳）
分布：北
Metopius (Ceratopius) iyoensis Uchida, 1930: 252; 愛媛
Metopius iyoensis: Esaki, Hori & Yasumatsu, 1938: 339; 四国,九州
Metopius (Tylopius) iyoensis: Townes, Momoi & Townes, 1965: 350
分布：四,九
Metopius (Ceratopius) sapporensis Uchida, 1930: 254; 北海道（札幌）
Metopius (Tylopius) sapporensis: Townes & Townes, 1959: 351
分布：北
Ishii T (1932) In, Esaki T, Hori H, Hozawa S, Ishii T, Issiki S, Kawada A, Kawamura T, Kinoshita S, Kishida K, Koidzumi M, Kojima T, Kuwana I, Kuwayama S, Marumo N, Niijima Y, Oguma K, Okamoto H, Shinji O, Shiraki T, Takahashi R, Uchida S, Ueno M, Yamada S, Yano M, Yokoyama K, Yuasa H: Iconographia Insectorum Japonicorum. Hokuryukan, Tokyo. 2241 pp.
Uchida T (1930) Vierter Beitrag zur Ichneumoniden-Fauna Japans. Journal of the Faculty of Agriculture, Hokkaido Imperial University, 25: 243-298.
Uchida T (1933) Drei neue japanische echte Schlupfwespen. Proceedings of the Imperial Academy of Japan, Tokyo, 9: 72-75.
Uchida T (1955) Die von Dr.K. Tsuneki in Korea gesammelten Ichneumoniden. Journal of the Faculty of Agriculture, Hokkaido University, 50: 95-133.