In exchange for protection, swollen-thorn Acacia trees provide Pseudomyrmex ants with food and shelter. Here an ant harvests a protein-rich food body that will be fed to the ants' larvae. Chiriqui, Panama.
An acacia ant harvests Beltian bodies on an Acacia tree. These bodies form the primary food source for the ants' larvae. Chiriqui, Panama
The swollen thorns of this Panamanian Acacia tree house a colony of fierce Pseudomyrmex spinicola ants. Chiriqui, Panama
