Definition of army ant
: any of a subfamily (Dorylinae) of aggressive nomadic tropical ants that prey on insects and spiders
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Evolution has seemingly equipped army ants with just the right algorithm for on-the-go bridge building.
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There are about 250 species of army ant, with colonies growing up to about 20 million ants—thanks to the queen, who spends her life laying an egg every two seconds.
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First Known Use of army ant
1863
Learn More about army ant
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Britannica.com: Encyclopedia article about army ant
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