some guard ants are looking out across the sandy main entrance to the hive. hold on: the garbage chute exit. nothing happens for a moment. then -- z hops down from the wasp, who has landed near the entrance to the colony. outside of the colony, where formica, surrounded by the army, gives a signal to mandible by drawing his finger across his throat. and azteca's head pokes through the ground. she hauls herself up, and hundreds of ants pour up from the ground, widening the hole.