This is known as the nuptial flight. Why do flying ants appear in such large numbers all at once? One reason is that this gives them protection from predators. There really is safety in numbers.

Flying ant day is a natural part of the reproductive cycle of ants and is observed in various ant species. The phenomenon can be quite noticeable, as the sudden appearance of swarming ants can ...

The lizards only eat the winged males and females ... These observations apply to the two species of South European Harvesting Ants, Atta structor and A. barbara, and they furnish a clue to ...