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 albidula Emery 1906. Alto Parana , Canindeyu , Central, Neembucu (ALWC, IFML, INBP, LACM).