Queen ants can usually be distinguished from workers on the basis of their larger size and more complex thoracic structure. (Cerapachys (antennatus-group) species)

Danum Valley Field Centre, Sabah Borneo
Proatta butteli queen and worker

Danum Valley Field Centre, Sabah Borneo
Queen ants can usually be distinguished from workers on the basis of their larger size and more complex thoracic structure. (Cerapachys (antennatus-group) species)

Danum Valley Field Centre, Sabah Borneo
Amitermes laurensis, magnetic termite mound. The north-south orientation of these blade-like structures is thought to help the termites regulate the temperature of their nest.

Cape York Peninsula, Queensland, Australia
Prorhinotermes inopinatus (Rhinotermitidae), worker and soldier termites in a rotting log.

Cape Tribulation, Queensland, Australia
Nasute termite soldiers (Termitidae) rush forward to guard a breach in their nest.  These insects can squirt a noxious, sticky substance out of their snouts.

Cape York Peninsula, Queensland, Australia
The intricate galleries in this underground nest of Lasius umbratus ants are made possible by a fungus that grows within a matrix of wood pulp sculpted by the ants.

Vermillion River Observatory, Illinois, USA
The intricate galleries in this underground nest of Lasius umbratus are made possible by a fungus that grows within a matrix of wood pulp sculpted by the ants.

Vermillion River Observatory, Illinois, USA
Solenopsis pergandei queen and workers.  

Archbold Biological Station, Florida, USA
Queen ants can usually be distinguished from workers on the basis of their larger size and more complex thoracic structure. (Cerapachys (antennatus-group) species)

Danum Valley Field Centre, Sabah Borneo
Queen ants can usually be distinguished from workers on the basis of their larger size and more complex thoracic structure. (Cerapachys (antennatus-group) species)

Danum Valley Field Centre, Sabah Borneo
Queen ants can usually be distinguished from workers on the basis of their larger size and more complex thoracic structure. (Cerapachys (antennatus-group) species)

Danum Valley Field Centre, Sabah Borneo
See photo in original gallery.
all images and text © Alex Wild 2001-2013