Tachinus of Japan (Coleoptera: Staphylinidae: Tachyporinae): new records, a new synonym, and a new species

Hashizume Takuto, Schülke Michael, Maruyama Munetoshi
Acta Entomologica Musei Nationalis Pragae 64(1): 121-139, 2024
Published online: 18th August 2024
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Abstract: A total of 23 species of the genus Tachinus Gravenhorst, 1802 (Coleoptera: Staphylinidae: Tachyporinae) in Japan are identified from collections around the world. They are listed with detailed collecting data. Tachinus (Tachinus) dujieae sp. nov. is described from Japan: Honshu: Nagano Prefecture, illustrated, and compared with its relative, T. (Tachinus) rishirianus Watanabe & Shibata, 1965. Tachinus (Tachinoderus) aokii Hayashi & Yoshida, 2016 is synonymized with T. (Tachinoderus) diminutus Sharp, 1888. Tachinus (Tachinus) kabakovi Veselova, 1990 is recorded from Japan for the first time from. We also record some species from islands where they were previously unrecorded for the first time: T. (Tachinoderus) kobensis Cameron, 1933 from Hokkaido, Izu-shotô, and Gotô-rettô, T. (Tachinoderus) yamato (Hayashi, 2003) from Shikoku and Kyushu, T. (Tachinus) bidens Sharp, 1888 from Rishiri-tô, and T. (Tachinus) nakanei Ullrich, 1975 from Tsushima.
Key words: Coleoptera, Staphylinidae, Tachyporinae, Tachinusini, rove beetle, new species, new synonym, Japan, East Asia, Palaearctic Region
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