The Lake County Forest Preserve District was created in 1958 under Illinois law as a special purpose unit of government. Our mission is to preserve a …
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Frequently asked questions
Q:
What are periodical cicadas?
A:
Periodical cicadas are small, plant-eating insects that live 13 or 17 years. They spend 17 years underground as nymphs, drinking sap first from grass roots, then...
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