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

Prenolepis imparis is the first ant to hold mating flights every year in temperate North America. Alates wait out the winter and emerge on the first warm spring days. This photo was taken in early March. Urbana, Illinois, USA