How do ants talk to each other? Ants talk to each other through their feelers or antennae. They pass messages through them and greet other ants by touching one another’s feelers. Related posts: How long does it take the grubs to become cocoons? What do the cocoons do? Why do ants let green flies live in the ant hill? Who takes care of the grubs and how? What lessons can we learn from the ants and why?