Morishita, S. and Watanabe, K. 2024. Review of the subgenera Metopius Panzer and Peltastes Illiger of the genus Metopius Panzer (Hymenoptera: Ichneumonidae: Metopiinae) from Japan. Zootaxa. 5428, 3 (Mar. 2024), 351–372. DOI:https://doi.org/10.11646/zootaxa.5428.3.2.