Camponotus nidulans is one of several poorly-studied New World weaver ant species. Refugio Amazonas, Tambopata, Peru.
Monomorium floricola ranks among the most traveled of all ants. This diminutive species has spread with human commerce to nearly every lowland tropical region. Here, a worker tends to a mealybug in Panama. Isla Contadora, Panama
Pseudomyrmex spinicola acacia ants guarding a nest entrance. This species has a painful sting and a much more aggressive temperment than most other Pseudomyrmex, an effective deterrent to large vertebrate herbivores. Chiriqui, Panama
