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Extension Entomology

Soybean Pest Update

–by Dr. Jeff Whitworth and Dr. Holly Schwarting

Soybean aphids are still relatively common throughout north central Kansas.  Their numbers don’t seem to be increasing but they are easy to find in most fields. Thus, please be vigilant as these are aphids and populations can increase quickly under the right conditions.

Numerous defoliators are present in soybeans including green cloverworms, soybean loopers, a few bean leaf beetle adults, a few soybean podworms (corn earworms), the occasional thistle caterpillar, and some grasshoppers (see pics).

soybean defoliators

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