Xiphydria kanba, Shinohara, Hara & Smith, 2020

Xiphydria kanba

Shinohara, Hara and Smith, 2020

Specimens examined. Yaita city: 1 ˁ, Happôgahara, 4. VIII. 2015, S. Maehara (NSMT, cited by Hara et al., 2022). Nikko city: 1 ˁ, Yumoto, 20. VIII. 2012, S. Maehara (NSMT, cited by Hara et al., 2022); 3 ˂, Shôbugahama, Chûgûshi, ca. 1270 m alt., emerged 4–6. VIII. 2024 from dead branch of Betula platyphylla var. japonica collected 1. VIII. 2024, A. Shinohara (NSMT); 1 ˂ (paratype), Chûgûshi, ca. 1300 m alt., emerged 10. VIII. 2019 from dead branch of Betula platyphylla var. japonica collected 7. VIII. 2019, A. Shinohara (NSMT, cited by Shinohara et al., 2020); 2 ˂, Chûgûshi, ca. 1300 m alt., emerged 2 and 20. VII. 2020 from dead branch of Betula platyphylla var. japonica collected 10. VI. 2020, A. Shinohara (NSMT, cited by Shinohara and Hara, 2020); 2 ˁ, Chûgûshi, ca. 1300 m alt., emerged 13 and 17. VI. 2022 from dead branch of Betula platyphylla var. japonica collected 19. V. 2022, A. Shinohara (NSMT, cited by Hara et al., 2022); 2 ˂ 2 ˁ, Chûgûshi, ca. 1300 m alt., emerged 5–14. VIII. 2024 from dead branch of Betula platyphylla var. japonica collected 2. VIII. 2024, A. Shinohara (NSMT); 5 ˁ, Senjugahama, Chûgûshi, 26. VII. 2021, S. Maehara (NSMT); 4 ˁ, Senjugahama, Chûgûshi, 3. VIII. 2024, S. Maehara (NSMT).

Remarks. This recently described species has been recorded from Hokkaido and Tochigi and Gunma prefectures, central Honshu (Shinohara et al., 2020; Shinohara and Hara, 2020; Hara et al., 2022). One of the paratypes is from Tochigi prefecture. The known host plants are two birch species, Betula ermanii Cham. and Betula platyphylla var. japonica .