Unlike most stinging insects, ants of this genus don't use their stingers to inject venom. Rather, Crematogaster employ theirs like a brush to smear a droplet of venom on their attackers. This worker exudes a droplet in response to the photographer. Morretes, Paraná, Brazil
Crematogaster opuntiae gathering nectar from a cholla cactus. Tucson, Arizona, USA
