Purple Rhytidoponera metallica ants struggle to move small pebbles that have fallen into the nest entrance. Winton, Qld.
Black Rhytidoponera sp. ant hides from the photograrpher under a wallaby poo. Longreach, Qld.
Papyrius sp. in a defensive pose - these ants spray secretions from the tips of their gasters at suspected threats. Mitchell, Qld.