• [Also described as new by Müller, 1923b: 96.]
• Novak, in Kratochvíl et al., 1944: 118 (m.)
• Combination in Temnothorax: Bolton, 2003: 271
• Status as species: Soudek, 1925b: 14; Finzi, 1928b: 129; Zimmermann, 1935: 34; Novák, in Novák & Sadil, 1941: 90 (in key); Novák, 1944c: 118; Baroni Urbani, 1971c: 123; Agosti & Collingwood, 1987a: 56; Agosti & Collingwood, 1987b: 274 (in key); Schulz, 1991b: 121; Bolton, 1995b: 244; Poldi et al., 1995: 5; Seifert, 1995: 14; Czechowski et al., 2002: 52; Bolton, 2003: 271; Bračko, 2006: 142; Petrov, 2006: 96 (in key); Seifert, 2006: 8; Bračko, 2007: 19; Seifert, 2007: 241; Werner & Wiezik, 2007: 150; Lapeva-Gjonova et al., 2010: 25; Csősz et al., 2011: 57; Karaman, 2011b: 33; Borowiec & Salata, 2012: 545; Kiran & Karaman, 2012: 26; Borowiec, 2014: 190; Csősz et al., 2015: 55 (redescription); Lebas et al., 2016: 374; Steiner et al., 2017: 18; Salata & Borowiec, 2018c: 50; Seifert, 2018: 217; Bračko, 2023: 118.
• [Note: Bračko, 2023: 118, reports Temnothorax sordidulus × Temnothorax saxonicus hybrids.]
• Senior synonym of Temnothorax carinthiacus: Schulz, 1991b: 121; Bolton, 1995b: 244; Seifert, 1995: 1 (in text); Seifert, 2006: 8; Karaman, 2011b: 33; Csősz et al., 2015: 55.
• Senior synonym of Temnothorax mulleri: Bolton, 1995b: 244; Seifert, 2006: 8.

Junior synonyms

• Temnothorax carinthiacus (Bernard, 1957)
  Obsolete combination(s): Leptothorax carinthiacus
• Temnothorax mulleri (Santschi, 1926)
  Obsolete combination(s): Leptothorax mulleri

Obsolete combinations

• Leptothorax sordidulus

Citations

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• 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
• 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
• Bolton, B. 1995b. A new general catalogue of the ants of the world. Cambridge, Mass.: Harvard University Press, 504 pp.
• Bolton, B. 2003. Synopsis and classification of Formicidae. Memoirs of the American Entomological Institute 71:1-370. 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
• Bračko, G. 2006. Review of the ant fauna (Hymenoptera: Formicidae) of Croatia. Acta Entomologica Slovenica 14 (2):131-156. PDF
• Bračko, G. 2007. Checklist of the ants of Slovenia (Hymenoptera: Formicidae). Natura Sloveniae 9 (1):15-24. PDF
• Bračko, G. 2023. Atlas of the ants of Slovenia. Ljubljana: Biotechnical Faculty, 251 pp.
• Csősz, S.; Heinze, J.; Mikó, I. 2015. Taxonomic synopsis of the Ponto-Mediterranean ants of Temnothorax nylanderi species-group. PLoS ONE 10 (11):62 pp. e0140000. 10.1371/journal.pone.0140000 PDF
• Csősz, S.; Markó, B.; Gallé, L. 2011. The myrmecofauna (Hymenoptera: Formicidae) of Hungary: an updated checklist. North-Western Journal of Zoology 7 (1):55-62. PDF
• Czechowski, W.; Radchenko, A.; Czechowska, W. 2002. The ants (Hymenoptera, Formicidae) of Poland. Warsaw: Museum and Institute of Zoology, Polish Academy of Sciences, 200 pp. PDF
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