• Combination in Atta: Mayr, 1863a: 395.
• Combination in Aphaenogaster: Roger, 1863b: 29.
• Combination in Stenamma (Messor): Emery, 1895b: 179; Emery, 1898c: 125.
• Combination in Messor: Ruzsky, 1905b: 754.
• Junior synonym of Messor barbarus: Roger, 1863b: 29; Mayr, 1863a: 395; Emery & Forel, 1879: 461; Nasonov, 1889: 37.
• Junior synonym of Messor semirufus: Emery, 1921c: 72
• Subspecies of Messor barbarus: Emery, 1891c: 12; Emery, 1893m: 100 (footnote); Emery, 1895b: 179; Emery, 1897f: 597; Emery, 1898c: 139.
• Status as species: Dalla Torre, 1893: 100; Ruzsky, 1902d: 28; Ruzsky, 1905b: 754; Kolossov, 1932: 118; Arnol'di, 1977b: 1638, 1641 (in key); Schembri & Collingwood, 1981: 426; Agosti & Collingwood, 1987a: 54; Agosti & Collingwood, 1987b: 271 (in key); Baroni Urbani et al., 1989: 291; Atanassov & Dlussky, 1992: 121; Arakelian, 1994: 34; Bolton, 1995b: 253; Schembri & Collingwood, 1995: 154; Petrov, 2006: 92 (in key); Gratiashvili & Barjadze, 2008: 139; Paknia et al., 2008: 154; Lush, 2009: 114; Lapeva-Gjonova et al., 2010: 14; Legakis, 2011: 9; Borowiec & Salata, 2012: 512; Kiran & Karaman, 2012: 19; Borowiec, 2014: 103 (see note in bibliography); Lebas et al., 2016: 300; Bračko, 2019: 172; Khalili-Moghadam et al., 2019: 172; Sert & Karaman, 2024: 400.
• Senior synonym of Messor caducus caucasicola: Arakelian, 1994: 34; Bolton, 1995b: 253; Gratiashvili & Barjadze, 2008: 139.
• Material of the unavailable name Messor barbarus instabilis semirubra referred here by Arnol'di, 1977b: 1638; Arakelian, 1994: 35; Bolton, 1995b: 253.

Junior synonyms

• Messor caducus caucasicola Arnol'di, 1977

Obsolete combinations

• Formica caduca
• Messor barbarus caducus
• Stenamma barbarum caducum

Citations

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