All species of this genus are obligate myrmecophiles, living symbiotically in ant nests.

The beetles release chemicals the ants find rewarding, and in return receive protection for themselves and their larvae.

Ants that were observed being preyed upon did not react aggressively, and remained near the beetle after being released (until dying a short time later).

Worker ants sometimes grasp adult Paussus by their antennae and legs to transport them to new nests.

In fact, it appears that acoustic communication and deception play an important role in the integration of these beetles into the ant society.