A new species of ant that raids the acorn castles of other insects and captures them as slaves has been discovered on the forest floors of the northeastern United States.
Aptly nicknamed the "pillage ant," the creature is formally called Temnothorax pilagens, which draws on the Latin word "pilere" (to pluck, plunder or pillage).
Measuring barely a tenth of an inch (2.5 millimeters) long, pillage ants invade the tiny openings in hollow nuts and acorns where their targets live. Unlike other species of slavemaker ants that attack with huge armies, T. pilagens often send a lone scout to scope out their targets and go after their victims with a raiding party of no more than four, scientists found.
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