Tetramorium impurum

Distribution based on Regional Taxon Lists
Palaearctic Region: Andorra, Austria, Belgium, Croatia, Czech Republic, Germany, Hungary, Iberian Peninsula, Italy, Montenegro, Netherlands, Poland, Portugal, Romania, Slovenia, Spain, Switzerland.

Other Ants
This ant is parasitized by the workerless Tetramorium atratulum.

Nomenclature

 *  impurum. Myrmica impura Foerster, 1850a: 48 (w.) GERMANY. Emery, 1925c: 184 (q.); Kutter, 1977c: 151 (m.). Combination in Tetramorium: Mayr, 1855: 426. Junior synonym of caespitum: Curtis, 1854: 215; Mayr, 1855: 426. Revived from synonymy: Kutter, 1977c: 159. Senior synonym of staerckei: Kutter, 1977c: 159; of penninum: Sanetra, Güsten & Schulz, 1999: 321. Current subspecies: nominal plus gregori. See also: Pasteels, Verhaeghe, et al. 1981: 675; Cammaerts, Pasteels et al. 1985: 109; Radchenko, Czechowski & Czechowska, 1998: 109.
 * penninum. Tetramorium caespitum var. penninum Santschi, 1927a: 54 (w.) SWITZERLAND. Junior synonym of impurum: Sanetra, Güsten & Schulz, 1999: 321.
 * staerckei Tetramorium staerckei Kratochvíl, in Kratochvíl, Novak & Snoflak, 1944: 65 (w.q.m.) HUNGARY. [First available use of Tetramorium caespitum subsp. hungarica var. staerckei Röszler, 1936b: 60; unavailable name.] Junior synonym of impurum: Kutter, 1977c: 159.