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Bob Moul | all galleries >> LIFE CYCLE OF A BLACK SWALLOWTAIL BUTTERFLY > Late Pupa Stage
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Late Pupa Stage

Late Pupa Stage

It is tucked in compact style. Ecdysone is then secreted, which cleaves off the bottom layer of cuticle from the chrysalis skin.
The chrysalis then wriggles to shed the cuticle and voila (!) it's ready to diapause ... or emerge in 2-3 weeks.

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Guest 18-Sep-2010 13:52
i even grew a black swallowtail,but i still don't understand it'life cycle.