Tag Archives: Jensen

Scouting for Corn Rootworm Beetles

Bryan Jensen UW Extension and IPM Program Although northern and western corn rootworm beetles have been emerged for a while, we are rapidly approaching that time period (early/mid-August through early September) when oviposition will be in full swing. Never before … Continue reading

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Two-Spotted Spider Mite and Soybean Aphid Update

Bryan Jensen UW Extension and IPM Program I recently received a phone call from an independent crop consultant who is finding treatable populations of two-spotted spider mites (TSSM) on soybean. I was surprised because I didn’t think our weather patterns … Continue reading

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Soybean Aphids

Bryan Jensen UW Extension and IPM Program Although soybean aphid populations have been low this growing season, I thought I would offer a quick summary of an article recently written and reviewed by several research and extension entomologist from the … Continue reading

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Evaluating Corn Roots for Rootworm Damage

Bryan Jensen UW Extension and IPM Program Evaluating corn roots for rootworm feeding has several benefits in continuous corn and includes validation of your current control practice, monitoring for potential resistance to Bt and to confirm/reject if rootworms are responsible … Continue reading

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Insect Notes

Bryan Jensen UW Extension and IPM Program No crystal ball here, just a few quick notes on potential insect problem to be aware of. Japanese Beetles: We haven’t seen peak Japanese Beetle emergence yet but that doesn’t mean it is … Continue reading

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Preparing for Corn Rootworms

Bryan Jensen UW Extension and IPM Program Corn rootworm egg hatch has been underway in southern Wisconsin for a short period of time. Not that you would expect to see above ground symptoms, but it is a good time to … Continue reading

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Stalk Borers

Bryan Jensen UW Extension and IPM Program Stalk borers are starting to move to corn in the southern part of the state and likely hop vine borers are doing the same. Both insects overwinter as eggs and initially feed on … Continue reading

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European Corn Borer

Bryan Jensen UW Extension and IPM Program In most of Wisconsin we are close to peak European corn borer (ECB) moth flight, however, the best treatment period is a week or two away. DATCP’s Pest Survey data indicates 2015 had … Continue reading

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Cereal Leaf Beetle: A curiosity in WI small grains

Bryan Jensen UW Extension and IPM Program Recently, I’ve been hearing discussions regarding wheat disease management. During your disease scouting efforts some of you may have, or will soon notice some unusual insect feeding on the upper leaf surface. That … Continue reading

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Alfalfa Weevil Update

Bryan Jensen UW Extension and IPM Program Judging by degree day accumulations, most areas of the northern Wisconsin are at the point where scouting for alfalfa weevils should begin and peak feeding is occurring in southern Wisconsin. Good news is … Continue reading

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