Genus Bentyra Cameron, 1905
Bentyra Cameron, 1905a: 116 . Type: Bentyra striata Cameron, 1905 . Monobasic.
Lissarcha Cameron, 1912: 95 . Type: Lissarcha flavomaculata Cameron, 1912 (= Bentyra striata Cameron, 1905). Monobasic.
Koshunia Uchida, 1932: 185. Type: Hemiteles (Koshunia) taiwanellus Uchida, 1932 . Original designation.
This genus contains four species, Be. striata Cameron, 1905, Be. divisa (Szépligeti, 1908), Be. taiwanella (Uchida, 1932), and Be. testacea (Szépligeti, 1908). All species are recorded from the Oriental region. In this study, I describe a new species, Be. ryukyuana sp. nov., from the Oriental part of Japan below. This is the first record of this genus from Japan.