Fagineura glabella Hara, 2022
Japanese name: Tsuya-aka-nara-habachi
Material examined. HONSHU: Tochigi Pref.: 1♀, Nakagawa, Koisago, 36°47'N 140°08'E, coll. larva on Q. serrata 5. V. 2022, coc. 9. V., em. 27. III. 2023, S. Ibuki .
Host plant. Fagaceae: Q. acutissima (Hara and Ibuki, 2022), Q. serrata (new record).
Oviposition. The emerged female mentioned above laid eggs into the current-year shoot of Q. serrata in a cage.
Remarks. The new host ( Q. serrata) and the previously unknown oviposition site are reported here for this species. See also the remarks of the preceding species.