Taxonomic study of the Japanese endemic genus Yukikoa M. Satô (Coleoptera, Cantharidae) with descriptions of two new species Author Nakamura, Ryo 0009-0001-5649-9336 The University of Tokyo, Graduate School of Agricultural and Life Sciences, Laboratory of Forest Zoology, Yayoi 1 - 1 - 1, Bunkyo-ku, Tokyo 113 - 8657, Japan. & r. nakamura 5364 @ gmail. com; https: // orcid. org / 0009 - 0001 - 5649 - 9336 r.nakamura5364@gmail.com Author Kubota, Kôhei 0000-0002-4583-6659 The University of Tokyo, Graduate School of Agricultural and Life Sciences, Laboratory of Forest Zoology, Yayoi 1 - 1 - 1, Bunkyo-ku, Tokyo 113 - 8657, Japan. & kohei @ fr. a. u-tokyo. ac. jp; https: // orcid. org / 0000 - 0002 - 4583 - 6659 kohei@fr.a.u-tokyo.ac.jp text Zootaxa 2023 2023-09-29 5351 5 581 589 http://dx.doi.org/10.11646/zootaxa.5351.5.6 journal article 10.11646/zootaxa.5351.5.6 1175-5326 8392372 C4628D56-812A-41EF-B0CE-EA80AA716039 Genus Yukikoa M. Satô, 1976 Japanese name: Shiributo-jôkai-zoku Yukikoa M. Satô, 1976: 52 [ type species: Themus wittmeri Nakane, 1963 , by original designation]. Comments. Detailed descriptions are provided by Satô (1976) and Takahashi (2003) , but they should be partially modified due to the discovery of Y. nishimotoi sp. nov. so that the head and pronotum are sometimes entirely blackish brown. For identification from related (sub)genera, see the key provided by Yang & Yang (2010) . Yukikoa can also be distinguished from Themus in the basad constricted male genitalia. Distribution. Japan (Honshu).