Bumper swarms of flying ants could plague us in the days ahead if conditions remain ‘ripe’ for the mass breeding of millions of insects. Each year there is said to be a day when millions of flying ants emerge from their nests all at the same time – in a spectacle which has come to be known as ‘flying ant day’. However with the correct weather conditions, in reality the event may take place over a number of days or even a couple of weeks. So how can you tell when flying ant day might occur? Why do the ants swarm? Flying ant day occurs when the queen of a colony decides to leave the nest, prompt…