Subgenus Hexarhopalus FAIRMAIRE, 1891
Hexarhopalus FAIRMAIRE, 1891: XIX.
Type species Hexarhopalus sculpticollis FAIRMAIRE, 1891 (by monotypy).
Apteroleprocaulus KASZAB, 1983: 182 (subgenus).
Type species: Leprocaulus montanus KASZAB, 1982: 73 (by original designation). (synonymized by BEČVÁŘ & PURCHART 2008).
Laosocryptobates PIC, 1928: 25 .
Type species: Laosocryptobates tuberculatus PIC, 1928 (by monotypy). (synonymized by BEČVÁŘ & PURCHART 2008).
Hexarhoptrum FAIRMAIRE, 1894: 38 [unnecessary RN].
Type species Hexarhopalus sculpticollis FAIRMAIRE, 1891 .
Hexaroptrum [sic] FAIRMAIRE, 1894: 38; KASZAB 1941: 2, 8.