A worker harvester ant carrying a seed back to her nest. Night-active species are often lighter in color than their day-active counterparts. Sand Springs Dune, Nevada, USA
Veromessor pergandei is among the most commonly seen seed harvesting ants in southern California. Colonies of this species contain worker ants of different sizes, while most other seed harvesters in the region have monomorphic workers. Here, a major worker carries a seed back to the nest. Anza Borrego Desert, California, USA
Black harvester ants carrying seeds back to the nest. Mojave National Preserve, California, USA
