An ant nest inside the hollow thorn of an Acacia tree. The elongate form of these ants allows them to maneuver in such cramped quarters. St. Lucia, KZN, South Africa
In a Belizean forest, Pseudomyrmex peperi acacia ants patrol their swollen thorn acacia. The plant houses and feeds colonies of these aggressive, stinging insects in exchange for the ants' services in removing vines and attacking herbivores. Cayó District, Belize.
A Pseudomyrmex peperi acacia ant patrols her tree in a Belizean forest. Cayó District, Belize.
