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 opaciceps (Mayr 1887). Alto Parana , Amambay, Caaguazu , Canindeyu , Central, Concepcion , Cordillera, Neem- bucu , Paraguari , Pte. Hayes (ALWC, INBP, MHNG, MZSP). Literature records: Cordillera (Forel 1908b [as “ postangustata ”]).