Neivamyrmex opacithorax. Army ants carrying brood. Notice how the ants carry their pupae, slung under their bellies in typical army-ant style. Chiricahua Mountains, Arizona, USA
Neivamyrmex army ants are specialist predators of the brood of other ant species. Here, N. californicus raid the brood nest of the pavement ant Tetramorium immigrans. California, USA
A Labidus praedator soldier rears up at the photographer. Gamboa, Panama
