pupa
to emerge from a pupa (of a butterfly etc)
bee pupa
silkworm chrysalis; silkworm pupa
to pupate; to turn into a chrysalis
to pupate; to become a chrysalis
昆虫破蛹而出变成成虫。
kūn chóng pò yǒng ér chū biàn chéng chéng chóng
The insect grew out of a pupa into an imago.