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Corn Rootworm IPM

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Corn Rootworm Basics

All three corn rootworm species can be found in Iowa: southern (left), western (middle), and northern (right).

Rootworm

History & Distribution

Corn rootworm pupae resemble the adult and occur in the soil.

Corn rootworm adults may move to weedy plants to feed.

Biology & Ecology

The most obvious sign of heavy feeding by corn rootworm larvae is lodged corn.

Scouting Guidelines

Christian Krupke, Purdue, presenting about rootworms at field day

Corn Rootworm Extension

Use the Contacts page to find your local expert!

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