He says that cannibal ants secrete a chemical compound that makes rival ants believe they have already been defeated--they surrender and even offer up their larvae to the invaders.
目前已知粗角蟻會分泌一種化學物質，讓對方誤以為自己戰敗而棄械投降，連幼蟲寶寶也拱手讓出。