Neivamyrmex nigrescens army ants are predators of other ant species. Here an army ant worker carries a paralyzed prey ant back from a successful raid on an Aphaenogaster nest. Huachuca Mountains, Arizona, USA

Neivamyrmex nigrescens Huachuca Mountains, Arizona, USA

Neivamyrmex opacithorax army ant queen with a retinue of workers. Unlike most queen ants which are born with wings for dispersal and large eyes for visual navigation, army ant queens are always wingless and have greatly reduced eyes. Chiricahua Mountains, Arizona, USA