Myrmecia pilosula jack-jumper ants from neighboring nests engaged in battle, grabbing each other with their impressive mandibles and attempting to sting their opponent with the tip of the abdomen. Tower Hill, Victoria, Australia
Neivamyrmex californicus army ants are specialist predators of the brood of other ant species. Here worker army ants attack a defending Tetramorium worker as others plunder the Tetramorium brood. California, USA
Ants from different colonies don't normally tolerate each other. Here, a trap-jaw ant dispatches an intruder from a neighboring nest. Aragua, Venezuela
