Eciton burchellii workers transport a captured ant pupa back to their bivouac. Maquipucuna reserve, Pichincha, Ecuador

Eciton rapax Jatun Sacha reserve, Napo, Ecuador

Dorylus driver ants are quick to defend their colonies. Here, a soldier bites down on an intruding myrmecologist. This behavior has been co-opted by traditional medicine in some cultures to make sutures of ant heads. Kibale forest, Uganda