Aerial spraying to combat 'Spongy Moth Caterpillars' begins in Chicago suburb
Aerial spraying to combat 'Spongy Moth Caterpillars' begins in Chicago suburb

Aerial spraying to combat 'Spongy Moth Caterpillars' begins in Chicago suburb

Low-flying helicopters took to the skies over Aurora on Tuesday to release spray in an effort to deter "spongy moth caterpillars".

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