The nest entrances of the desert leafcutter ant Acromyrmex versicolor are often nearly completely round, appearing like a miniature volcano.

Green Valley, Arizona, USA
A series of fire ant (Solenopsis invicta) nests along a curb.

Austin, Texas, USA
The distinctive nest entrance of the nocturnal honeypot ant Myrmecocystus mexicanus.

Huachuca mountains, Arizona, USA
A nest of Messor pergandei.

Mojave National Preserve, California, USA
A busy nest of Pogonomyrmex rugosus harvester ants in urban Tucson.

Tucson, Arizona, USA
A nest of Messor pergandei.

Mojave National Preserve, California, USA
A nest of Messor pergandei.

Mojave National Preserve, California, USA
A nest of Messor pergandei.

Mojave National Preserve, California, USA
A series of fire ant (Solenopsis invicta) nests along a curb.

Austin, Texas, USA
The nest entrances of the desert leafcutter ant Acromyrmex versicolor are often nearly completely round, appearing like a miniature volcano.

Green Valley, Arizona, USA
The nest entrances of the desert leafcutter ant Acromyrmex versicolor are often nearly completely round, appearing like a miniature volcano.

Green Valley, Arizona, USA
The nest entrances of the desert leafcutter ant Acromyrmex versicolor are often nearly completely round, appearing like a miniature volcano.

Green Valley, Arizona, USA
See photo in original gallery.
all images and text © Alex Wild 2001-2013