Cleonus bisignatus Roelofs, 1873 transferred to genus Atactogaster Faust, 1904 as synonym of

Atactogaster inducens (Walker, 1859),

as in Csiki (1934), from valid species in genus Cyphocleonus Motschulsky, 1860 as indicated by Egorov (1976) comb. rev., syn. rev. (ST of C. bisignatus examined, photograph in WCC).