A Pseudomyrmex spinicola acacia ant pauses outside the nest entrance. The ants cut a circular entrance hole to gain access to the inside of the hollow thorn. Chiriqui, Panama.
Deep underground, a thief ant walks through a narrow nest gallery. Armenia, Cayo District, Belize.
A nest of red imported fire ants (Solenopsis invicta). Paynes Prairie Reserve, Florida, USA
