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A Field Guide to Monarch Caterpillars

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This guide will help you recognize and identify monarch eggs and larval instars as you monitor. It has been adapted from A Field Guide to Monarch Caterpillars (Danaus plexippus) by Karen Oberhauser and Kristen Kuda, copyright 1997. Illustrations are by Kristen Kuda.

Pictures of All 5 Instars Together

5 instars 5 instars 5 instars