A young queen harvester ant (Aphaenogaster albisetosa) emerges from the nest on the morning of her mating flight.

Green Valley, Arizona, USA
A male harvester ant (Aphaenogaster albisetosa) launches himself on a morning mating flight.

Green Valley, Arizona, USA
Nests of the seed-harvesting ant Aphaenogaster albisetosa are large and conspicuous.

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
Aphaenogaster albisetosa harvester ants carry a seed back to their nest.

Portal, Arizona, USA
The mass emergence of termites at the start of monsoon season is a bonanza for ants.  Here an Aphaenogaster albisetosa harvester ant adds another captured termite carcass to the food pile.

Peña Blanca Lake, 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
Aphaenogaster albisetosa harvester ants carry a seed back to their nest.

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