Otoblastus Förster, 1869
Type species: Tryphon luteomarginatus Gravenhorst, 1829; incl. by Thomson, 1883
Otoblastus luteator Kasparyan, 1982: 150; ロシア,北海道（定山渓）,岩手（花巻）
Otoblastus luteator: Kasparyan, 1999: 257; ロシア,北海道（定山渓）,岩手（花巻）
分布：北,本;ロシア
Otoblastus luteomarginatus: Kasparyan, 1982 (in part)
Otoblastus maculator Kasparyan, 1999: 258; ロシア（沿海州）,長野（上高地）,Iokogama(?)
分布：本;ロシア
Kasparyan DR (1982) Eastern Palearctic Ichneumonids of the genera Monoblastus Htg. and Otobastus Frst. (Hymenoptera, Ichneumonidae). Entomologicheskoye Obozreniye, 61 (1): 145-152.
Kasparyan DR & Tolkanitz VI (1999) [Fauna of Russia and neighbouring countries. Insecta Hymenoptera. Volum III, Number 3. Ichneumonidae. Subfamily Tryphoninae: Tribes Sphinctini, Phytodietini, Oedemopsini, Tryphonini (addendum), Idiogrammatini. Subfamilies Eucerotinae, Adelognathinae (addendum), Townesioninae.] (in Russian) pp 404. Russian Academy of Science, Zoological Institute, Saint Petersburg.