Army ant males are most commonly seen at night. They sometimes end up at lights as they disperse on wing from their natal colonies. This army ant, Neivamyrmex swainsonii, is a broadly-distributed species found from the southern United States to northern Argentina. Peña Blanca Lake, Arizona, USA
Army ants such as these Eciton burchellii are important predators in many tropical ecosystems. Captive colony at the California Academy of Sciences
Army ants on the march. This species, Neivamyrmex californicus, is endemic to California and Baja California. Jasper Ridge, California, USA
