Aphaenogaster albisetosa

Aphaenogaster albisetosa worker (bottom) defending her nest from much smaller Forelius pruinosus workers (top). The Forelius workers are harassing the Aphaenogaster workers, trying to keep them confined to the nest.
Aphaenogaster albisetosa worker (bottom) defending her nest from much smaller Forelius pruinosus workers (top). The Forelius workers are harassing the Aphaenogaster workers, trying to keep them confined to the nest.