Slugs are shell-less mollusks related to snails.

They occasionally damage field corn, especially in wet, weedy areas of fields in cool, moist springs. Problems are likely to be worse in no-tillage corn or in fields previously in sod. Slugs feed at night, chewing irregular holes through the leaves and leaving slimy trails. As the corn gets taller and fields dry out, damage should become minimal. No chemicals are currently available for the control of slugs.

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