army ant
US /ˈɑːr.mi ˌænt/
UK /ˈɑːr.mi ˌænt/

1.
hormiga legionaria, hormiga guerrera
a nomadic, highly aggressive ant that hunts in large groups, found mainly in tropical and subtropical regions
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The column of army ants stretched for meters across the forest floor.
La columna de hormigas legionarias se extendía por metros a través del suelo del bosque.
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Army ants are known for their aggressive hunting behavior.
Las hormigas legionarias son conocidas por su comportamiento de caza agresivo.