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What grubs are these #870369

Asked May 28, 2024, 9:25 AM EDT

These grubs were find amongst iris's in Zimmerman

Sherburne County Minnesota

Expert Response

Thank you for your question.

It looks like you found black cutworm in pupa stage.

Most of the potential risk is to corn crops. However, the larvae (caterpillars) that emerge from the pupa can feed on a wide range of broadleaf and grass crops, weeds and other plants.

Ellen Tveit Replied May 28, 2024, 1:59 PM EDT

Here are some recommendations for cutworm response in the home garden.

Ellen Tveit Replied May 28, 2024, 2:02 PM EDT

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