When you find the winged reproductives, the others you see are the soldiers kicking them out and the few workers are there to patch up any damage to the swarm tube. If you watch the alates(swarmers)after they drop their wings, there will be a female with a male in hot pursuit behind her. Or at least this is info for the eastern subterranean termite Reticulitermes flavipens. They will not survive long outside of a moist substrate.