Dalla Torre, 1893: 148; Emery, 1924f: 317; Kempf, 1972b: 9; Bolton, 1995b: 53.
Emery, 1924f: 317 (diagnosis); Smith, 1944c: 150 (all species key); Brown & Kempf, 1969: 89 (diagnosis, all species revision, key); Bolton, 1994: 106 (synoptic classification); Bolton, 1995a: 1047 (census); Gronenberg et al., 1998: 227 (mandible mechanism); Bolton, 1999: 1650 (diagnosis, review of genus, phylogeny); Bolton, 2000: 15 (diagnosis, species synopsis); Galvis & Fernández, 2009: 247 (all species key); Baccaro et al., 2015: 204 (genus in Brazil); Cantone, 2017: 182 (brief male diagnosis); Fernández & Serna, 2019: 831 (Colombia species key).