Myrmecocystus mexicanus (Honeypot Ant)

Myrmecocystus mexicanus nest, with size inch ruler in front for scale. This gravel covered cone with a single large entrance is typical for Myrmecocystus mexicanus.
Myrmecocystus mexicanus nest, with size inch ruler in front for scale. This gravel covered cone with a single large entrance is typical for Myrmecocystus mexicanus.