Extant: 1 valid subspecies
Tapinoma erraticum var. madeirense Forel, 1895e PDF: 231 (w.) PORTUGAL (Madeira I.). Afrotropic. AntCat AntWiki HOLTaxonomic history
Emery, 1925b PDF: 56 (q.).Subspecies of Tapinoma erraticum: Ruzsky, 1905b: 481; Emery, 1913a PDF: 40; Emery, 1925b PDF: 56 (redescription); Baroni Urbani, 1968e PDF: 477; Shattuck, 1994 PDF: 144; Bolton, 1995b: 400.Status as species: Wetterer et al., 2007 PDF: 24; Casevitz-Weulersse & Galkowski, 2009 PDF: 478; Lapeva-Gjonova et al., 2010 PDF: 32; Boer, 2010: 16; Csosz et al., 2011 PDF: 58; Legakis, 2011 PDF: 24; Seifert, 2012a PDF: 142; Czechowski et al., 2012: 66; Berville et al., 2013 PDF: 79; Borowiec & Salata, 2013 PDF: 371; Borowiec, 2014 PDF: 168; Lebas et al., 2016: 116.Senior synonym of Tapinoma ambiguum: Wetterer et al., 2007 PDF: 24; Casevitz-Weulersse & Galkowski, 2009 PDF: 478; Csosz et al., 2011 PDF: 58; Legakis, 2011 PDF: 24; Czechowski et al., 2012: 68.