Definition of army ant
: any of a subfamily (Dorylinae) of aggressive nomadic tropical ants that prey on insects and spiders
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Recent Examples of army ant from the Web
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Instead, this tiny beetle -- only 1.5 millimeters long -- lives alongside a species of nomadic army ant.
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It's named for Daniel Kronauer, a field biologist who studies army ants and discovered the species.
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Nymphister kronaueri Anterior view of Nymphister kronaueri attached to an Eciton mexicanum army ant worker Image credit: © D. Kronauer.
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The recent study grew out of experiments conducted with army ants in the Panamanian jungle in 2014.
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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.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'army ant.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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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