Townesion Kasparyan, 1993
Type species: Townesion ussuriensis Kasparyan, 1993; original designation
Townesion japonicus Kasparyan, 1999: 362; 岩手（早池峰山）
Townesion japonicus: Watanabe & Maeto, 2013: 142; 北海道（樽前山）,岩手（早池峰山）,福井（大野市,泉村）
Townesion japonicus: Broad, 2014: 74; 樺太
Townesion japonicus: Watanabe, 2017: 19; 北海道（樽前山）,岩手（早池峰山）,福井（大野市,泉村）,徳島（剣山）
分布：北,本,四;ロシア
Broad GR (2014) A revision of Sachtlebenia Townes, with notes on the species of Townesion Kasparyan (Hymenoptera: Ichneumonidae: Banchinae). Proceedings of the Russian Entomological Society. St Petersburg, 85(1): 63-76.
Kasparyan DR (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. Saint Petersburg. NAUKA. 404 pp.
Watanabe K (2017) The Insects of Japan. Vol. 8. Ichneumonidae, Banchinae, Glyptini. Touka Shobo Co. Ltd., Fukuoka. iv+402 pp.
Watanabe K, Maeto K (2013) First description of male of the genus Townesion Kasparyan, 1993 (Hymenoptera, Ichneumonidae, Banchinae). Japanese Journal of Systematic Entomology, 19 (1): 139-145.