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Spring Maps
First
Adult Monarch
First
Milkweed
First
Monarch Egg
Monarch butterfly spring migration map Map of milkweed emergence: Spring 2011 Monarch butterfly spring migration map: First eggs
This map shows where the FIRST monarchs of spring were seen. All monarchs do not go to Mexico. "Winter sightings" are shown as red triangles.
This map shows where milkweed has emerged. How quickly do monarchs arrive after the first milkweed appears? This map shows where monarch eggs have been seen. One way to watch for the first sign of monarchs is to watch for monarch eggs.
 
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