Eciton hamatum workers on the trail. 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
Eciton rapax lacks the distinct solider caste that marks most other species of Eciton, but it does show variation in worker size. Jatun Sacha reserve, Napo, Ecuador
