army ant

US /ˈɑːr.mi ˌænt/
UK /ˈɑːr.mi ˌænt/
"army ant" picture
1.

fourmi légionnaire, fourmi nomade

a nomadic, highly aggressive ant that hunts in large groups, found mainly in tropical and subtropical regions

:
The column of army ants stretched for meters across the forest floor.
La colonne de fourmis légionnaires s'étendait sur des mètres à travers le sol de la forêt.
Army ants are known for their aggressive hunting behavior.
Les fourmis légionnaires sont connues pour leur comportement de chasse agressif.