Abstract
The speciation of leaf-cutter ants has resulted in Atta sexdens and Atta laevigata, voracious herbivores that have become widespread agricultural pests in the Americas (Hölldobler & Wilson, 2010). Rapid colonization of vast areas resulted in three natural groups for each species, which may constitute new yet not described species for Science (Bacci et al., 2009; Barrera et al., 2022). On …