More Info - How does a caterpillar turn into a butterfly? When a caterpillar hatches from its egg it is called a larva. The larva, or caterpillar, eats nonstop for about a month. It will shed its skin many times as it grows. When a caterpillar sheds its last skin, the inner skin hardens into a chrysalis. This is called the pupa stage. (A moth does not form a chrysalis -- it spins a cocoon). Pupas do not eat, they just rest and change. The change is called metamorphosis. When they emerge from the chrysalis, they will have changed into a wrinkled and wet butterfly. They will rest as their wings unfold and dry. Then they are ready to fly.
Butterfly gardening can be easy. It can be as simple as providing the appropriate variety of host plants for larval growth and adult feeding. Resources -
Butterfly Identification
Butterflies of Minnesota
North American Butterfly Association
Monarchs in the Classroom
Monarch Migration
Monarch Monitoring Project
Monarch Larva Monitoring Project
Monarch Watch
Name that Bug
Theme Unit on Monarch Butterfly
Resources for Teachers
Plants and Animals, Partners in Pollination
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