Pogonomyrmex maricopa harvester ants inspect a mesquite seed.

Tucson, Arizona, USA
Pogonomyrmex maricopa and Aphaenogaster albisetosa workers, fighting.  Resources are scarce in the desert and competition among ants is fierce, leading to frequent conflicts.

Green Valley, Arizona, USA
Pogonomyrmex maricopa, a harvester ant

Tucson, Arizona, USA
Pogonomyrmex maricopa harvester ants inspect a mesquite seed.

Tucson, Arizona, USA
Pogonomyrmex maricopa and Aphaenogaster albisetosa workers, fighting.  Resources are scarce in the desert and competition among ants is fierce, leading to frequent conflicts.

Green Valley, Arizona, USA
Pogonomyrmex maricopa and Aphaenogaster albisetosa workers, fighting.  Resources are scarce in the desert and competition among ants is fierce, leading to frequent conflicts.

Green Valley, Arizona, USA
Pogonomyrmex maricopa and Aphaenogaster albisetosa workers, fighting.  Resources are scarce in the desert and competition among ants is fierce, leading to frequent conflicts.

Green Valley, Arizona, USA
Pogonomyrmex maricopa harvester ants inspect a mesquite seed.

Tucson, Arizona, USA
Pogonomyrmex maricopa and Aphaenogaster albisetosa workers, fighting.  Resources are scarce in the desert and competition among ants is fierce, leading to frequent conflicts.

Green Valley, Arizona, USA
Pogonomyrmex maricopa, a harvester ant

Tucson, Arizona, USA
Pogonomyrmex maricopa, a harvester ant

Tucson, Arizona, USA
Pogonomyrmex maricopa, a harvester ant

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