In mid-winter, Crematogaster coarctata acrobat ants huddle together under a sun-warmed rock. Calistoga, California, USA
Mojave National Preserve, California, USA.
Acrobat ants have stingers, but they don't use them the way we might think. Intead of stabbing their opponents, acrobat ants use their stingers like a paintbrush, smearing a frothy venom. California, USA.