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Table of Contents
Enchanted Learning
ALL ABOUT BUTTERFLIES!

Butterfly Calendar
What is a Butterfly? Life Cycle Butterfly Anatomy Information Sheets Glossary Printables and Activities

Butterfly Anatomy
Egg Anatomy Caterpillar Anatomy Pupa Anatomy Adult Butterfly Anatomy
Butterfly Head Butterfly Thorax Butterfly Wings Butterfly Abdomen

PUPA ANATOMY

pupa The pupa is the stage in a butterfly's (or moth's) life when it is encased in a chrysalis and undergoing metamorphosis. Wings develop during this stage.

About a day before the adult butterfly emerges, the chrysalis becomes transparent.


The pupa of the Zebra Swallowtail butterfly attached to a branch.
A cremaster is a support hook (or a cluster of small hooks) at the abdominal (hind) end of a pupa. Some butterflies (like the Monarch butterfly) are supported by only the cremaster; others, like the Zebra Swallowtail butterfly attach to the support with the cremaster and bands of silk (called the girdle) around the mid-section.



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