• Combination in Plagiolepis (Plagiolepis): Wheeler, 1922: 929.
• Subspecies of Plagiolepis exigua: Forel, 1910c: 266; Wheeler, 1922: 929; Emery, 1925d: 20; Finzi, 1939a: 166.
• Status as species: Collingwood, 1985: 297; Bolton, 1995b: 334; Collingwood & Agosti, 1996: 362 (in key); Sharaf et al., 2011: 204 (redescription); Borowiec, 2014: 144; Madl, 2019: 14.

Obsolete combinations

• Plagiolepis exigua abyssinica

Citations

• Bolton, B. 1995b. A new general catalogue of the ants of the world. Cambridge, Mass.: Harvard University Press, 504 pp.
• Borowiec, L. 2014. Catalogue of ants of Europe, the Mediterranean Basin and adjacent regions (Hymenoptera: Formicidae). Genus (Wroclaw) 25 (1-2):1-340. PDF
• Collingwood, C. A. 1985. Hymenoptera: Fam. Formicidae of Saudi Arabia. Fauna of Saudi Arabia 7:230-302. PDF
• Collingwood, C. A.; Agosti, D. 1996. Formicidae (Insecta: Hymenoptera) of Saudi Arabia (part 2). Fauna of Saudi Arabia 15:300-385. PDF
• Emery, C. 1925d. Hymenoptera. Fam. Formicidae. Subfam. Formicinae. Genera Insectorum 183:1-302. PDF
• Finzi, B. 1939a. Materiali zoologici dell'Eritrea raccolti da G. Müller durante la spedizione dell'Istituto Sieroterapico Milanese e conservati al Museo di Trieste. Parte III. Hymenoptera: Formicidae. Atti del Museo Civico di Storia Naturale di Trieste 14:153-168. PDF
• Forel, A. 1894b. Abessinische und andere afrikanische Ameisen, gesammelt von Herrn Ingenieur Alfred Ilg, von Herrn Dr. Liengme, von Herrn Pfarrer Missionar P. Berthoud, Herrn Dr. Arth. Müller etc. Mitteilungen der Schweizerischen Entomologischen Gesellschaft 9:64-100. PDF
• Forel, A. 1910c. Ameisen aus der Kolonie Erythräa. Gesammelt von Prof. Dr. K. Escherich (nebst einigen in West-Abessinien von Herrn A. Ilg gesammelten Ameisen). Zoologische Jahrbücher. Abteilung für Systematik, Geographie und Biologie der Tiere 29:243-274. PDF
• Madl, M. 2019. Notes on the ant fauna of Eritrea (Insecta: Hymenoptera: Formicidae): Type specimens deposited in the Natural History Museum Vienna (Austria) and a preliminary checklist. Annalen des Naturhistorischen Museums in Wien. Serie B Für Botanik Und Zoologie 121:9-18. PDF
• Sharaf, M. R.; Aldawood, A. S.; Taylor, B. 2011. The formicine ant genus Plagiolepis Mayr (Hymenoptera: Formicidae) in the Arabian Peninsula, with description of two new species. Transactions of the American Entomological Society 137:203-215. PDF
• Wheeler, W. M. 1922. Ants of the American Museum Congo expedition. New York: Bulletin of the American Museum of Natural History, 1139.