A nest of black harvester ants, Veromessor pergandei. Mojave National Preserve, California, USA
The distinctive nest entrance of the nocturnal honeypot ant Myrmecocystus mexicanus. Huachuca mountains, Arizona, USA
Myrmecocystus honeypot ant species come in three basic color patterns, depending on the time of day that they forage. The orange/yellow species such as this M. navajo are nocturnal. These ants were photographed leaving their nest entrance to forage shortly after dusk. Willcox, Arizona, USA
