4. Manitischeria relictana (Ermolaev, 1986), comb. nov.

Tischeria relictana Ermolaev 1986: 6–8.

Tischeria relictana Ermolaev, in Kobayashi et al. 2016: 138–140.

Host plants. Betula ermanii Cham., B. grossa Siebold & Zucc. (Betulaceae) (Kobayashi et al. 2016).

Distribution. Far East Russia: Sakhalin (Ermolaev 1986); Japan: Hokkaido, Honshu (Nagano and Nara Prefectures), and Shikoku (Tokushima Prefecture) (Kobayashi et al. 2016).

Remarks. The species has been illustrated: adult by Kobayashi et al. (2016): fig. 2 I, J, K, L; male genitalia by Ermolaev (1986): fig. 1 and Kobayashi et al. (2016): fig. 5 A, B; female genitalia by Kobayashi et al. (2016): fig. 5 C, D.