17. Phyllonorycter ostryae (Kumata, 1963)
(Figs 1g, 4d)
Lithocolletis ostryae Kumata, 1963: 70–71 . TL: Hokkaidō, Japan. TD: EIHU (Holotype).
Adult (Fig. 1g). Forewing length 3.4 mm.
Male genitalia. Unknown.
Female genitalia (Fig. 4d).
Material examined. [ GG] 1♀, Rest Area, Korea National Arboretum, Gwangneung, 22 vii 2019 (leg. YM Shin), gen. slide no. HNUSEL-5649 -coll. KNAE.
Distribution. Korea (new record), Japan.
Host plants. Ostrya japonica [ Betulaceae] in Japan (Kumata 1963a; De Prins & De Prins 2006 –2023).