※属名の変更
Shaverdo, H., Hájek, J., Hendrich, L., Surbakti, S., Panjaitan, R., Balke, M. (2023) Austrelatus gen. nov., a new genus of Australasian diving beetles (Coleoptera, Dytiscidae, Copelatinae), with the discovery of new species from New Guinea. Zookeys, 1170: 1-164.
※中国からの初記録
Jiang, Z.Y., Zhao, S., Yang, Z.Y., Jia, F.L., Hájek, J. (2022) A review of Copelatus Erichson, 1832 of Mainland China, with description of ten new species from the japonicus complex (Coleoptera: Dytiscidae: Copelatinae). Zootaxa, 5124: 251-295.
※朝鮮半島（韓国）からの初記録（メス1頭に基づく記録）
Jung, S.W., Min, H.K., Lee, D.H. (2020) Aquatic beetles fauna in Nohwa and Bogil Islands, and Copelatus parallelus (Coleoptera: Dytiscidae) and Scirtes sobrinus (Coleoptera: Scirtidae) new to South Korea. Animal Systematics, Evolution and Diversity, 36: 128-138.