This
caterpillar is about to change into a chrysalis. The change will
be so great — and so sudden— you'll think a new
creature has appeared before your eyes.
- What to watch for: The caterpillar stops eating
and climbs to a safe place. It hangs upside down in the
shape of a "J." Within 24 hours the larva will pupate.
![](https://s3.us-east-2.amazonaws.com/journeynorth.org/images/graphics/monarch/Larva_J1.jpg)
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