Tag Archives: Jensen

Two-spotted Spider Mites

Bryan Jensen, UW Extension, UW-Madison Integrated Pest Management Program Some may think this article should fall in the category of “sleeping with the light on” but I am not so sure.  We’ve had some relatively hot dry weather lately and I … Continue reading

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True Armyworms

Bryan Jensen, UW Extension, UW-Madison Integrated Pest Management Program No worries just yet. More of a feeling than anything else.  Based on a few calls and emails, be on the lookout for armyworms.  The summer generation can be cryptic.  Corn is … Continue reading

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Gear Up: Western Bean Cutworm

Bryan Jensen, UW Extension, UW-Madison Integrated Pest Management Program It is that time of the year to start thinking, if not scouting for Western bean cutworm.  Degree days suggest the moth flight is underway, although not peaking, in southern Wisconsin.  Female … Continue reading

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It’s Time to Check for Corn Rootworm Damage

Bryan Jensen, UW Extension, UW-Madison Integrated Pest Management Program The next 2-3 weeks will be a good time to start spot-check continuous corn fields for corn rootworm feeding injury. Peak damage will usually occur by late July. Waiting longer increases the … Continue reading

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Pea Aphids: Where did they come from?

Bryan Jensen, Dept. of Entomology and IPM Program After several calls this week along with my own observations it is clear that pea aphids populations in alfalfa fields are much higher than normal. In some cases, that is an understatement. … Continue reading

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Japanese Beetles

Bryan Jensen, IPM Program and Dept. of Entomology They’re back. Anyone surprised? Adult Japanese beetles are starting to emerge, however, we don’t expect peak emergence for a few more weeks. What will happen in 2018 is anyone’s guess. Last year was … Continue reading

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First Generation European Corn Borer

Bryan Jensen, Dept. of Entomology and IPM Program It is no secret that European corn borer populations have been extremely low for several years. However, what does catch my attention is that I still get a few calls each year regarding … Continue reading

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Armyworms

Bryan Jensen, Dept. of Entomology and IPM Program Armyworms might be something you want to keep an eye open for during the next few weeks. No major concerns have been reported. This is just a heads up. First generation armyworm … Continue reading

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Early Season Below Ground Corn Insects

Bryan Jensen, Dept. of Entomology and Integrated Pest Management Program, University of Wisconsin-Madison As people are getting out to monitor corn health and emergence, I thought I would take a few minutes to review some general damage characteristics of seed … Continue reading

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Potato Leafhoppers

Bryan Jensen, Dept. of Entomology and Integrated Pest Management Program, University of Wisconsin-Madison Although the Arlington Agricultural Research Station is a small sample size, it appears we have received a migration potato leafhopper lately. No surprise based on the preceding … Continue reading

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