• Lectotype designation: Wagner et al., 2017: 118.
• [First available use of Tetramorium caespitum caespitum fusciclavum Emery, 1925a; unavailable (infrasubspecific) name (Bolton, 1995b: 408).]
• Subspecies of Tetramorium caespitum: Baroni Urbani, 1971c: 138
• Junior synonym of Tetramorium caespitum: Sanetra et al., 1999: 320; Radchenko, 2016: 244
• Status as species: Wagner et al., 2017: 118 (redescription); Wagner et al., 2018: 4 (in list).

Obsolete combinations

• Tetramorium caespitum fusciclavum

Citations

• 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.
• Consani, M.; Zangheri, P. 1952. Fauna di Romagna. Imenotteri - Formicidi. Memorie della Società Entomologica Italiana 31:38-48. PDF
• Radchenko, A. G. 2016. Ants (Hymenoptera, Formicidae) of Ukraine. National Academy of Sciences of Ukraine. Kiev: I. I. Schmalhausen Institute of Zoology, 496 pp.
• Sanetra, M.; Güsten, R.; Schulz, A. 1999. On the taxonomy and distribution of Italian Tetramorium species and their social parasites (Hymenoptera Formicidae). Memorie della Società Entomologica Italiana 77:317-357. PDF
• Wagner, H. C.; Arthofer, W.; Seifert, B.; Muster, C.; Steiner, F. M.; Schlick-Steiner, B. C. 2017. Light at the end of the tunnel: Integrative taxonomy delimits cryptic species in the Tetramorium caespitum complex (Hymenoptera: Formicidae). Myrmecological News 25:95-129. PDF
• Wagner, H. C.; Gamisch, A.; Arthofer, W.; Moder, K.; Steiner, F. M.; Schlick-Steiner, B. C. 2018. Evolution of morphological crypsis in the Tetramorium caespitum ant species complex (Hymenoptera: Formicidae). Scientific Reports (Nature) 8 (12547):1-10. 10.1038/s41598-018-30890-z PDF