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在螞蟻的群落當中，工蟻肩負著各種不同的工作，有的負責覓食（Forager），有的負責餵養幼蟲（Nurse），有的則是負責攻擊跟防禦（Soldier），但是什麼樣的機制讓牠們在行為上發生改變？科學家發現了體內的激素「章胺（octopamine）」的濃度高低會影響工蟻的性格表現與工作，這是一個很重要的發現！可以更進一步的了解牠們的運作機制。
對於螞蟻的了解，我們還有好長一條路要走！文中實驗的螞蟻是翠綠編織山蟻 Oecophylla smaragdina。
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ANTS IN FLORIDA COLLECT THE SKULLS OF OTHER ANTS TO DECORATE THEIR NESTS Original source: https://www.newsweek.com/flori
