September 10, 2017
Carol Hadlock, president of the Friends of Runnymede Park, shows visitors how to find caterpillars in their garden. A sign that a monarch egg has hatched are circular holes in the leaves of milkweed plants. After a female monarch butterfly leaves an egg on a milkweed leaf, hatching caterpillars chew their way out of the egg and through the leaf to escape, according to Hadlock.
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