Wednesday, July 11th 2012 — Corn Rootworm

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Red: high risk, Yellow: moderate risk, Green: low risk, Brown: insect source region
How to Read the Maps

Corn rootworm hatch may occur across virtually all of the corn-growing region where this particular insect resides in the next five days if it has not already done so. Fields from northeast Colorado into northern Kansas, Nebraska, South Dakota, Minnesota, Iowa, Wisconsin, much of lower Michigan, northern/central Illinois, Indiana, and Ohio may all see hatch continue in the next week. Growers should monitor their fields for larvae and beetles in addition to signs of damage from corn rootworm.

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2013 Planting Season Corn Rootworm Hatch Predictions

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The predominantly cool and wet weather pattern so far this spring has not only delayed corn planting across a large part of the corn-growing region, but it has also deferred corn rootworm hatch. Last year (2012) saw a spring that…

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