Genus Tetramorium Mayr, 1855

Tetramorium is one of the most diverse ant genera in the subfamily Myrmicinae, with 518 described taxa (Bolton, 1995; Bolton et al., 2007; Bolton 2013), distributed worldwide in the tropics and temperate regions (Brown, 2000). The genus has been comprehensively revised for the majority of the zoogeographic regions (Bolton 1976, 1977, 1979, 1980, 1985; Hita Garcia et al., 2010; Hita Garcia & Fisher 2011, 2012a, 2012b). For many years, the Palaearctic region was lacking revisions but recently several important contributions have been published (Steiner et al., 2005; Schlick-Steiner et al., 2006; Csõsz et al., 2007; Csõsz & Schulz, 2010; Steiner et al., 2010).