A column of Eciton rapax, the largest Eciton species, marches across the Amazonian forest floor. Jatun Sacha reserve, Napo, Ecuador
Eciton rapax has the largest workers of any Eciton species. These handsome insects are specialist predators on the brood of ponerine hunting ants. Jatun Sacha reserve, Napo, Ecuador
A raiding party of Eciton burchellii army ants streams home towards the bivuoac while a soldier stands guard. Maquipucuna Reserve, Pichincha, Ecuador
