蛹

thumb|upright=1.6|Pupa of the rose chafer beetle, Cetonia aurata thumb|Tumbler (pupa) of a mosquito. Unlike most pupae, tumblers can swim around actively. A pupa (; : pupae) is the life stage of insects from the Holometabola clade undergoing transformation between immature and mature stages. Insects that go through a pupal stage are holometabolous: they go through four distinct stages in their life cycle, the stages thereof being egg, larva, pupa, and imago. The processes of entering and completing the pupal stage are controlled by the insect's hormones, especially juvenile hormone, prothoraci