山に棲む大型の蛾で、カイコガよりも大きく、翅にはっきりした柄や目玉のような斑点を持つことが多い。幼虫は様々な木の葉を食べて繭を作り、蛹の時期を経て成虫になる。
A large moth that lives in the mountains, it is bigger than a silkworm moth and often has distinct patterns or eye-shaped spots on its wings. The caterpillar feeds on the leaves of various trees, spins a cocoon, pupates, and eventually emerges as an adult moth.