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
A Podomyrma gratiosa worker forages on a tree trunk. These large ants are almost exclusively arboreal, and their swollen legs contain muscles to help them grip the bark firmly. Naracoorte, South Australia