Antipater writes: Scientists have discovered a relationship between ant species that echoes stories of the Wild West or Seven Samurai. Past research had assumed that Megalomyrmex ants were parasites of the fungus-growing Sericomyrmex ants. But Rachelle Adams at the University of Copenhagen found that rather than simply feeding off the farmers, the Megalomyrmex serve as a hired defense force. When the nest is approached by hostile raiders, the Sericomyrmex run and hide, while the Megalomyrmex rush out to fight and defend their hosts.
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