Emery, 1921c: 19; Chapman & Capco, 1951: 114 (Asia); Taylor & Brown, 1985: 69 (Australia); Taylor, 1987a: 40 (Australia); Bolton, 1995b: 258; Fisher & Bolton, 2016: 320 (Afrotropical, Malagasy checklist).
Emery, 1914e: 34 (diagnosis (in key)); Wheeler, 1919j: 178 (all species key); Emery, 1912b: 94 (review of genus); Emery, 1921c: 19 (diagnosis); Kusnezov, 1960a: 119 (morphology); Kugler, 1978a: 444 (sting structure); Dlussky & Fedoseeva, 1988: 79 (synoptic classification); Hölldobler & Wilson, 1990: 16 (synoptic classification); Bolton, 1994: 105 (synoptic classification); Bolton, 1995a: 1041 (census); Shattuck, 1999: 144 (Australia synopsis); Bolton, 2003: 71, 257 (diagnosis, synopsis); Alpert, 2007: 10 (Madagascar species key); Taylor & Alpert, 2016: 501 (all species revision, keys), 508 (Afrotropical, Malagasy species key), 512 (Asia species key), 525 (Micronesia, Melanesia, Pacific species key), 533 (Australia species key); Fisher & Bolton, 2016: 319 (diagnosis); Cantone, 2017: 211 (brief male diagnosis); Wang et al., 2019: 139 (key to Asian species); Ramamonjisoa et al., 2024: 337 (Malagasy region male diagnosis).
Extant: 31 valid species
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