Cephalotes varians turtle ant worker emerging from the nest. Florida Keys, USA
Podomyrma adelaidae tends to a Lycaenid caterpillar. These caterpillars secrete substances that the ants find attractive, and the ants in turn provide protection from parasites. Poochera, South Australia
Her nest disturbed by the photographer, a Dolichoderus attelaboides worker stands guard. Morretes, Paraná, Brazil
