Only after World War I did American investors get the ants out of their pants and begin holding stocks for more than a year at a time.

WSJ: New Twist Is Added to an Age-Old Saga

"You get attacked in the night by biting ants and cockroaches running around, " he yawns and smiles as he tells me his story.

BBC: How football is changing lives of Indian slum girls

So ants from the west coast of Japan fought their rivals from Kobe, while ants from the European super-colony didn't get on with those from the Iberian colony.

BBC: Earth News - Ant mega-colony takes over world