Dalla Torre, 1893: 63; Emery, 1922c: 191; Donisthorpe, 1948a: 293; Chapman & Capco, 1951: 162 (Asia); Ettershank, 1966: 152; Bolton, 1995b: 248.
Bingham, 1903: 198 (diagnosis); Emery, 1922c: 191 (diagnosis); Ettershank, 1966: 152 (diagnosis, review of genus); Bolton, 1995a: 1050 (census); Rigato & Bolton, 2001: 247 (review of genus); Eguchi et al., 2011: 17 (diagnosis, Vietnam synopsis); Cantone, 2017: 205 (brief male diagnosis).
Extant: 1 valid species (7 synonyms, 1 homonym, 1 obsolete combination, 1 unavailable misspelling), 0 valid subspecies (1 synonym)