Crematogaster acrobat ants use their stingers in defense, but they don't pierce the integument of their opponents. Rather, the stinger serves as a brush for smearing defensive chemicals on their adversaries. Here, a worker defends a food bait against an intruding Pheidole. Kibale forest, Uganda

A Crematogaster acrobat ant deters a Pheidole worker. Kibale forest, Uganda

Crematogaster sp. Kibale forest, Uganda