• Baroni Urbani, 1964b: 31 (q.)
• As unavailable (infrasubspecific) name: Emery, 1921c: 72; Emery, 1922d: 94; Wheeler, 1926a: 3; Kutter, 1927a: 99; Santschi, 1927d: 237; Finzi, 1929: 89; Santschi, 1932e: 70.
• Subspecies of Messor instabilis: Santschi, 1925g: 343; Menozzi, 1926b: 181; Donisthorpe, 1926a: 7.
• Junior synonym of Messor sanctus: Bernard, 1956b: 258; Bernard, 1967a: 148.
• Subspecies of Messor sanctus: Baroni Urbani, 1964b: 30; Baroni Urbani, 1968e: 430; Baroni Urbani, 1971c: 65
• Status as species: Collingwood & Yarrow, 1969: 63; Collingwood, 1978: 81 (in key); Schembri & Collingwood, 1981: 426; Agosti & Collingwood, 1987a: 54; Agosti & Collingwood, 1987b: 271 (in key); De Haro & Collingwood, 1994: 99; Bolton, 1995b: 253; Poldi et al., 1995: 3; Espadaler, 1997g: 30; Collingwood & Prince, 1998: 14 (in key); Petrov, 2006: 91 (in key); Casevitz-Weulersse & Galkowski, 2009: 489; Legakis, 2011: 9; Borowiec & Salata, 2012: 512; Borowiec, 2014: 103; Lebas et al., 2016: 292; Arcos et al., 2022: 11; Orou et al., 2023: 50 (redescription).
• Material of the unavailable name Messor barbarus capitatus grandiceps referred here by Collingwood, 1978: 68; Bolton, 1995b: 253.

Citations

• Agosti, D.; Collingwood, C. A. 1987a. A provisional list of the Balkan ants (Hym. Formicidae) and a key to the worker caste. I. Synonymic list. Mitteilungen der Schweizerischen Entomologischen Gesellschaft 60:51-62. PDF
• Agosti, D.; Collingwood, C. A. 1987b. A provisional list of the Balkan ants (Hym. Formicidae) with a key to the worker caste. II. Key to the worker caste, including the European species without the Iberian. Mitteilungen der Schweizerischen Entomologischen Gesellschaft 60:261-293. PDF
• Arcos, J.; Chaves, D.; Alarcón, P.; Rosado, Á. 2022. First record of Temnothorax convexus (Forel, 1894) in Portugal (Hymenoptera: Formicidae) with an updated checklist of the ants from the country. Sociobiology 69 (2): e7623:1-15. 10.13102/sociobiology.v69i2.7623 PDF
• Baroni Urbani, C. 1964b. Studi sulla mirmecofauna d'Italia. II. Formiche di Sicilia. Atti dell'Accademia Gioenia di Scienze Naturali (6)16:25-66. PDF
• Baroni Urbani, C. 1968e. Studi sulla mirmecofauna d'Italia. IV. La fauna mirmecologica delle isole Maltesi ed il suo significato ecologico e biogeografico. Annali del Museo Civico di Storia Naturale "Giacomo Doria" 77:408-559. PDF
• Baroni Urbani, C. 1971c. Catalogo delle specie di Formicidae d'Italia (Studi sulla mirmecofauna d'Italia X). Memorie della Società Entomologica Italiana 50:5-287. PDF
• Bernard, F. 1956b. Remarques sur le peuplement des Baléares en fourmis. Bulletin de la Société d'Histoire Naturelle de l'Afrique du Nord 47:254-266. PDF
• Bernard, F. 1967a ("1968"). Faune de l'Europe et du Bassin Méditerranéen. 3. Les fourmis (Hymenoptera Formicidae) d'Europe occidentale et septentrionale. Paris: Masson, 411 pp. PDF
• Bolton, B. 1995b. A new general catalogue of the ants of the world. Cambridge, Mass.: Harvard University Press, 504 pp.
• Bondroit, J. 1918. Les fourmis de France et de Belgique. Annales de la Société Entomologique de France 87:1-174. PDF
• Borowiec, L. 2014. Catalogue of ants of Europe, the Mediterranean Basin and adjacent regions (Hymenoptera: Formicidae). Genus (Wroclaw) 25 (1-2):1-340. PDF
• Borowiec, L.; Salata, S. 2012. Ants of Greece – checklist, comments and new faunistic data (Hymenoptera: Formicidae). Genus (Wroclaw) 23 (4):461-563. PDF
• Casevitz-Weulersse, J.; Galkowski, C. 2009. Liste actualisée des fourmis de France (Hymenoptera, Formicidae). Bulletin de la Société Entomologique de France 114:475-510. PDF
• Collingwood, C. A. 1978. A provisional list of Iberian Formicidae with a key to the worker caste (Hym. Aculeata). EOS. Revista Española de Entomología 52:65-95. PDF
• Collingwood, C. A.; Yarrow, I. H. H. 1969. A survey of Iberian Formicidae (Hymenoptera). EOS. Revista Española de Entomología 44:53-101. PDF
• Collingwood, C.; Prince, A. 1998. A guide to ants of continental Portugal (Hymenoptera: Formicidae). Boletim da Sociedade Portuguesa de Entomologia. Suplemento 5:1-49.
• De Haro, A.; Collingwood, C. A. 1994. Prospección mirmecológica por el littoral mediterráneo de Marruecos (Cabo Negro, Martil, Oued Lau) y su comparación con la zona meridional ibérica. Orsis (Organismes i Sistemes) 9:97-104. PDF
• Donisthorpe, H. 1926a. Ants and myrmecophiles at Bordighera. [part]. Entomologist's Record and Journal of Variation 38:5-8. PDF
• Emery, C. 1921c. Hymenoptera. Fam. Formicidae. Subfam. Myrmicinae. [part]. Genera Insectorum 174A:1-94 + 7 plates. PDF
• Emery, C. 1922d. Messor barbarus (L.). Appunti de sinonimia e di sistematica. Bollettino della Società Entomologica Italiana 54:92-99. PDF
• Espadaler, X. 1997g. Catàleg de les formigues (Hymenoptera: Formicidae) dels països catalans. Sessió d'Entomologia ICHN-SCL 9:23-42. PDF
• Finzi, B. 1929. Le forme italiane del genere Messor. Bollettino della Società Entomologica Italiana 61:75-94. PDF
• Kutter, H. 1927a. Ein myrmekologischer Streifzug durch Sizilien. Folia Myrmecologica et Termitologica 1:94-104. PDF
• Lebas, C.; Galkowski, C.; Blatrix, R.; Wegnez, P. 2016. Guide Delachaux: Fourmis d’Europe occidentale. Luçon: Delachaux et Niestlé, 415 pp.
• Legakis, A. 2011. Annotated list of the ants (Hymenoptera, Formicidae) of Greece. Hellenic Zoological Archives 7:1-55. PDF
• Menozzi, C. 1926b. Zur Kenntnis der Ameisenfauna der Balearen. Zoologischer Anzeiger 66:180-182. PDF
• Orou, N.; Csősz, S.; Arnan, X.; Pol, R. G.; Arthofer, W.; Schlick-Steiner, B. C.; Steiner, F. M. 2023. Messor erwini sp. n., a hitherto cryptic harvester ant in the Iberian Peninsula. Zoologischer Anzeiger 307:36-53. [online early] 10.1016/j.jcz.2023.09.001 PDF
• Petrov, I. 2006. The ants of Serbia and Montenegro. [In Serbian.]. Posebna Izdanja. Srpska Akademija Nauka i Umetnosti 656:1-136. PDF
• Poldi, B.; Mei, M.; Rigato, F. 1995 ("1994"). Hymenoptera Formicidae. Checklist delle Specie della Fauna Italiana 102:1-10.
• Santschi, F. 1925g. Fourmis d'Espagne et autres espèces paléarctiques (Hymenopt.). EOS. Revista Española de Entomología 1:339-360. PDF
• Santschi, F. 1927d. Revision des Messor du groupe instabilis Sm. (Hymenopt.). Boletín de la Real Sociedad Española de Historia Natural 27:225-250. PDF
• Santschi, F. 1932e. Liste de fourmis d'Espagne recueilliés par Mr. J. M. Dusmet. Boletín de la Sociedad Entomológica de España 15:69-74. PDF
• Schembri, S. P.; Collingwood, C. A. 1981. A revision of the myrmecofauna of the Maltese Islands (Hymenoptera, Formicidae). Annali del Museo Civico di Storia Naturale "Giacomo Doria" 83:417-442. PDF
• Wheeler, W. M. 1926a. Ants of the Balearic Islands. Folia Myrmecologica et Termitologica 1:1-6. PDF