Doleromyrma darwiniana male and female alates in the nest.

Yandoit, Victoria, Australia
Doleromyrma darwiniana male and female alates in the nest.

Yandoit, Victoria, Australia
A queen bee is recognized by her elongate abdomen.
Pheidole obscurithorax is a South American native that has been introduced to the U.S. gulf coast. 

Pensacola, Florida, USA
Monomorium sydneyense queen and workers in the brood nest.

Yandoit, Victoria, Australia
Male and female Forelius mccooki in the nest.

Tucson, Arizona, USA
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 queen leafcutter ant (Atta texana) dwarfs her daughter workers.

Captive colony at the University of Texas
A queen leafcutter ant (Atta texana) dwarfs her daughter workers.

Captive colony at the University of Texas
Doleromyrma darwiniana male and female alates in the nest.

Yandoit, Victoria, Australia
Doleromyrma darwiniana male and female alates in the nest.

Yandoit, Victoria, Australia
Doleromyrma darwiniana male and female alates in the nest.

Yandoit, Victoria, Australia
See photo in original gallery.
all images and text © Alex Wild 2001-2013