Nuptial flight | When Flying Ants Mate in the Skies
Something in the air, thought to be humidity and temperature, synchronizes nation-wide flights. This allows individuals from different nests to mate.
The alates will fly away from their nest to ensure outbreeding.
Once the princesses are ready to mate, they release pheromones to attract drones. They often try to out fly the drones so that only the strongest can mate with them. Mating takes place during the flight.
Princesses usually mate with more than one drone. The sperm is stored in a 'sperm pocket' that should last her throughout her lifetime fertilizing tens of millions of eggs.
Soon after the flight the drones die and the princess lands in preparation to find a new home.