Leptomyrmex rufipes workers cooperate to bring a grasshopper carcass back to their nest. These large, leggy insects are some of the most gracile ants in the world; note the impressive spread of the antennae of the foreground worker. Mungkan Kandju National Park, Queensland, Australia

Leptogenys falcigera is a predatory ant that attacks isopods. Hawaii

Leptogenys falcigera is a predator of isopods. Hawaii