Costa Rica to northern South America (Lattke 1995). Costa Rica: Osa Peninsula, Atlantic lowlands.
Taxonomic history
Mayr, 1866b PDF: 892 (w.).Combination in Gnamptogenys: Mayr, 1866b PDF: 892.Combination in Ectatomma (Gnamptogenys): Mayr, 1887 PDF: 541.Combination in Ectatomma (Tammoteca): Santschi, 1929h PDF: 476.Combination in Gnamptogenys: Brown, 1958g PDF: 227.Senior synonym of Gnamptogenys concinna conica: Brown, 1958g PDF: 227.Senior synonym of Gnamptogenys concinna romani: Brown, 1958g PDF: 227.Senior synonym of Gnamptogenys concinna semicircularis: Brown, 1958g PDF: 227.See also: Lattke, 1995 PDF: 162.