Pogonomyrmex occidentalis, the western harvester ants, mating Hallelujah Junction, California, USA
A queen Polyergus breviceps with a host Formica argentea worker. Sagehen Creek, California, USA
Unrolling a leaf nest of a small weaver ant Polyrhachis (Cyrtomyrma) robsoni reveals a queen. Cape Tribulation, Queensland, Australia
