Queen and workers. This species is one of the most common ants in California's Sierra Nevada mountains. Blodgett Forest, California, USA
This photo shows the major components of an ant colony: the queen (lower left) and a winged male (upper left) among workers and brood. Kibale Forest, Uganda
A physogastric queen greatly swollen with eggs. Mt. Tamalpais, Marin Co., California, USA
