<Ul> <Li> <P> Fruit Fly (Drosophila melanogaster) Pupa . </P> </Li> <Li> <P> An emperor gum moth caterpillar spinning its cocoon . </P> </Li> <Li> <P> Luna moth cocoon and pupa . </P> </Li> <Li> <P> Assortment of luna moth cocoons . </P> </Li> <Li> <P> Luna moth emerging from pupa within silk cocoon . </P> </Li> <Li> <P> Luna moth pupa removed from cocoon . </P> </Li> <Li> <P> Chrysalis of gulf fritillary . </P> </Li> <Li> <P> Pupation of Inachis io . </P> </Li> <Li> <P> Monarch butterfly chrysalis . </P> </Li> <Li> <P> Specimen of an eclosing Dryas iulia butterfly . </P> </Li> <Li> <P> Pupae of Japanagromyza inferna, a gall fly, in gall of Centrosema virginianum . </P> </Li> <Li> <P> Pupa of cabbage looper . </P> </Li> </Ul> <Li> <P> Fruit Fly (Drosophila melanogaster) Pupa . </P> </Li> <P> Fruit Fly (Drosophila melanogaster) Pupa . </P> <Li> <P> An emperor gum moth caterpillar spinning its cocoon . </P> </Li>

How long is the pupa stage of a butterfly