- A large, yellowish North American moth(Automeris io) having a prominent eyelike spot on each hind wing. 玉米天蚕蛾：北美一种黄色大蛾（玉米天蚕蛾） ，每片后翅上有一显著的类眼斑点
- After Io [who was tormented by gadflies sent by Hera as a punishment (from the stinging spines of its larvae)] 源自 Io[艾奥，被赫拉派的牛虻所折磨（牛虻幼虫的毒刺能蜇人）的人]