Immature, periodical cicadas are making their way out of the ground — so plant experts at the Morton Arboretum have said now is the time to protect some trees. WBBM's Nancy Harty Reports.

Photo by Nancy Harty.

<p>Immature, periodical cicadas are making their way out of the ground — so plant experts at the Morton Arboretum have said now is the time to protect some trees. WBBM's Nancy Harty Reports.</p>
<p>Photo by Nancy Harty.</p>

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