Tetramorium caldarium

Distribution
This taxon was described from Poland.

Nomenclature

 *  caldarium. Tetrogmus caldarius Roger, 1857: 12 (w.q.) POLAND. Meinert, 1861: 331 (m.). Combination in Tetramorium: Bolton, 1979: 169. Junior synonym of simillimum: Roger, 1862c: 297. Revived from synonymy: Bolton, 1979: 169. Senior synonym of hemisi, minutum: Bolton, 1979: 169; of transformans: Bolton, 1980: 310. See also: Czechowski, Radchenko & Czechowska, 2002: 68.
 * transformans. Tetramorium pauper st. transformans Santschi, 1914b: 104 (w.) KENYA. Junior synonym of caldarium: Bolton, 1980: 310.
 * hemisi. Tetramorium pusillum var. hemisi Wheeler, W.M. 1922a: 193 (w.) DEMOCRATIC REPUBLIC OF CONGO. Junior synonym of caldarium: Bolton, 1979: 169.
 * minutum. Tetramorium minutum Donisthorpe, 1942a: 30 (q.) EGYPT. Junior synonym of caldarium: Bolton, 1979: 169.