• Subspecies of Messor barbarus: Emery, 1922d: 97; Santschi, 1926f: 290; Finzi, 1939c: 154.
• Junior synonym of Messor structor: Atanassov & Dlussky, 1992: 114; Bolton, 1995b: 258; Legakis, 2011: 11; Kiran & Karaman, 2012: 20.
• Status as species: Steiner et al., 2018: supplementary material, 7; Salata & Borowiec, 2019a: 65.
• Senior synonym of Messor structor aegaeus: Steiner et al., 2018: supplementary material, 7

Junior synonyms

• Messor structor aegaeus Santschi, 1926

Obsolete combinations

• Messor barbarus varrialei

Citations

• Atanassov, N.; Dlussky, G. M. 1992. Fauna of Bulgaria. Hymenoptera, Formicidae. [In Bulgarian.]. Fauna na Bûlgariya 22:1-310.
• Bolton, B. 1995b. A new general catalogue of the ants of the world. Cambridge, Mass.: Harvard University Press, 504 pp.
• Emery, C. 1921b. Formiche raccolte a Budrum (Anatolia) da Raffaele Varriale, Cap. medico nella R. Marina. Annali del Museo Civico di Storia Naturale "Giacomo Doria" 49[=(3)9]:208-218. PDF
• Emery, C. 1922d. Messor barbarus (L.). Appunti de sinonimia e di sistematica. Bollettino della Società Entomologica Italiana 54:92-99. PDF
• Finzi, B. 1939c. Ergebnisse der von Franz Werner und Otto v. Wettstein auf den Ägäischen Inseln unternommenen Sammelreisen. Ameisen. Sitzungsberichte der Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. Abteilung I 148:153-161. PDF
• Kiran, K.; Karaman, C. 2012. First annotated checklist of the ant fauna of Turkey (Hymenoptera: Formicidae). Zootaxa 3548:1-38. PDF
• Legakis, A. 2011. Annotated list of the ants (Hymenoptera, Formicidae) of Greece. Hellenic Zoological Archives 7:1-55. PDF
• Salata, S.; Borowiec, L. 2019a. Preliminary contributions toward a revision of Greek Messor Forel, 1890 (Hymenoptera: Formicidae). Turkish Journal of Zoology 43:52-67. 10.3906/zoo-1809-41 PDF
• Santschi, F. 1926f. Travaux scientifiques de l'Armée d'Orient (1916-1918). Fourmis. Bulletin du Muséum National d'Histoire Naturelle 32:286-293. PDF
• Steiner, F. M.; Csősz, S.; Markó, B.; Gamisch, A.; Rinnhofer, L.; Folterbauer, C.; Hammerle, S.; Stauffer, C.; Arthofer, W.; Schlick-Steiner, B. C. 2018. Turning one into five: Integrative taxonomy uncovers complex evolution of cryptic species in the harvester ant Messor “structor”. Molecular Phylogenetics and Evolution 127:387-404. 10.1016/j.ympev.2018.04.005 PDF