A catalogue of the ants of Paraguay (Hymenoptera: Formicidae). Author Wild, A. L. text Zootaxa 2007 1622 1 55 http://www.antbase.org/ants/publications/21367/21367.pdf journal article 21367 unicolor (F. Smith 1855). Guaira (IFML, MZSP). Literature records: Cordillera, Guaira (Forel 1911b, Kempf 1958).