Roger, 1863b: 21, 41 (Nycteresia, Labidus); Mayr, 1863a: 424, 436 (Labidus, Nycteresia); Cresson, 1887: 259 (U.S.A.); Emery, 1910b: 21 (Eciton (Labidus)); Smith, 1951c: 779 (North America); Kempf, 1972b: 126 (Neotropical); Smith, 1979: 1327 (North America); Bolton, 1995b: 219; Borowiec, 2016: 149 (species checklist).
Shuckard, 1840a: 196 (diagnosis); Mayr, 1865: 16 (diagnosis); Emery, 1910b: 21 (diagnosis); Gallardo, 1920: 312 (Argentina species key); Creighton, 1950a: 62 (Nearctic species key); Borgmeier, 1955: 80, 84 (diagnosis, all species revision, key); Watkins, 1976: 8 (all species key); Watkins, 1982: 209 (Mexico species key); Bolton, 1995a: 1050 (census); Palacio, 1999: 153 (Colombia species key); Brady et al., 2014: 4 (phylogeny); Baccaro et al., 2015: 158 (genus in Brazil); Borowiec, 2016: 144 (diagnosis); Cantone, 2017: 133 (brief male diagnosis); Palacio, 2019: 606 (Colombia species key).
Extant: 7 valid species, 2 valid subspecies
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