Mound Ant Colony
A colony of mound ants always seem to be busy, but they never seem to be doing anything. They build large mounds, sometimes a meter high, and cover it in plant material. From a distance the mound looks just like that, a mound. But upon approaching one, it begins to move as thousands of ants crawl all over it. Crawling in north Idaho.
''Formica obscuripes'' is a species of ant in the family Formicidae. It is native to North America. It produces large mounds covered by small pieces of plant material. The number of adult workers per colony may be as high as 40,000. ''F. obscuripes'' feeds upon a number of insect species, consumes nectar from homopterous insects they tend, and occasionally eats plant tissue. In the Blue Mountains of Oregon, ''F. obscuripes'' has demonstrated the capacity for polydomy. A supercolony in a four-hectare.. more