A queen sugar ant, Camponotus consobrinus. Diamond Creek, Victoria, Australia.
Many ant colonies keep guards posted at their nest entrances. This Camponotus ephippium ant's head is nearly the same size as the nest entrance, forming a plug that she will only move to let her nestmates come and go. Victoria, Australia
A carpenter ant visits an extrafloral nectary on a leaf stem of an invasive Melia azederach tree. Austin, Texas, USA.
