Nests: Building, Structure, and Maintenance

Home, home building, and home improvement. Pogonomyrmex ants and their nests , at various locations in North America.
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Pogonomyrmex salinus

● NW of Mattawa [Grant Co], WA USA [el. 152 m / 500 ft] view location in Google Maps » ● 8/10/08 9:32AM air temp: 25°C / 77°F

A tiny incipient nest of Pogonomyrmex salinus, with nanitic workers. Width of raised sand crescent is approximately 6.3 cm / 2.5 inches. One worker can be glimpsed re-entering the nest entrance, at center of image.