(Fig. 23)
Tyloptera bella: Beljaev & Mironov 2019: 255 (Sakhalin).
Material examined. 2 ♂, Sokhonda mount., 23.VII.2019.
Distribution. Russia (S RFE: SW Sakhalin, S Kurils—Kunashir, S Khabarovskii Krai, Primorskii Krai), Japan (Hokkaido, Honshu, Shikoku, Kyushu, Tsushima, Yakushima, Amami), North Korea, South Korea, mainland China (except NW and Western Plateau), China (Taiwan), Myanmar, India (Sikkim).
Remarks. The finding of T. bella in Sakhalin significantly expands its distribution range to the northeast. The specimens were collected in the vicinity of thickets of Aralia elata (Araliaceae), which is the host plant for the larvae in Japan.