Tapinoma ambiguum Emery, 1925 junior synonym of current valid taxon Tapinoma madeirense Forel, 1895
Tapinoma erraticum subsp. ambiguum Emery, 1925b: 57, fig. 9 (w.q.m.) FRANCE. Palearctic.
Primary type information: Primary type material: lectotype male (by designation of Seifert, 2012a: 140). Primary type locality: lectotype France: Dépt. de Drôme (A. Forel). Primary type depository: MSNG. Secondary type information: Secondary type material: 4 paralectotype workers, 1 paralectotype male. Secondary type localities: 4 paralectotype workers Czech Republic, Prague (Wasmann), 1 paralectotype male Great Britain: England, New Forest, 29.vi.1919 (no collector’s name). Secondary type depository: MSNG. Type notes: Seifert, 2012a states that 3 paralectotype workers belong to Tapinoma erraticum and 1 paralectotype worker belongs to Tapinoma subboreale. The paralectotype male is missing its gaster and genitals and probably also belongs to Tapinoma subboreale.
Obsolete combinations
Citations

Extant: 0 valid subspecies (1 obsolete combination)