Tag Archives: Jensen

Corn Rootworm

Bryan Jensen, UW Extension and IPM Program Useful corn rootworm management data can, and should be gathered during the month of August. Digging and washing roots will provide insight on efficacy of rootworm management tactics. Scouting for beetles will give … Continue reading

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Potato Leafhopper Update for field crops in WI

Bryan Jensen, UW Extension and IPM Program Alfalfa Surprising, at least to me, potato leafhopper (PLH) populations have been relatively high in alfalfa this summer despite frequent and heavy rains. Typically, PLH populations peak during periods of hot dry weather. Go … Continue reading

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Thistle Caterpillars in Soybean

Bryan Jensen, UW Extension and IPM Program Several calls and questions have come in to both myself and PJ Liesch of the Insect Diagnostic Lab regarding an odd type of caterpillar feeding on soybean. This is an insect call the … Continue reading

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Corn Rootworms

Bryan Jensen, UW Extension and IPM Program Northern and Western corn rootworm beetles are emerging and larval feeding is starting to peak. Monitoring root damage over the next few weeks and scouting for beetles in continuous corn will provide useful … Continue reading

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Western Bean Cutworm Update

Bryan Jensen, UW Extension and IPM Program Based on degree day accumulations, DATCP’s Pest Bulletin reports and individual calls, the time for Western Bean Cutworm scouting is here for southern Wisconsin and soon will be in all corn growing areas … Continue reading

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Japanese Beetle info for WI Corn and Soybean Growers

Bryan Jensen, UW Extension and IPM Program A number of questions and several sightings of Japanese beetles have occurred this past week.  Emergence is well under way and damage has been evident in susceptible ornamentals as well as soybean.  This summer’s … Continue reading

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Brown Marmorated Stink Bug

Bryan Jensen, UW Extension and IPM Program The brown marmorated stink bug (BMSB) is a new stink bug species which was first detected in North America in 2001 and Wisconsin during 2010. BMSB has a wide host range and overwinter … Continue reading

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Soybean Aphid

Bryan Jensen, UW Extension and IPM Program Soybean aphid reports indicate that numbers are still low but isolated hot spots have been found within some fields. Now is the time to initiate field scouting if you haven’t already. I think … Continue reading

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Insect Updates-July 7, 2017

Bryan Jensen, UW Extension and IPM Program Potato Leafhoppers in alfalfa. This insect’s density has been variable this summer. Although the anticipated warm/dry weather could change that quickly. Within a limited geographical area this season, I have seen populations range … Continue reading

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Western Bean Cutworm

Bryan Jensen, UW Extension and IPM Program Hopefully, most of you have seen DATCP’s Pest Survey Report (subscribe) which indicates some Western bean cutworm have emerged in Wisconsin. I know some of you have because it has prompted a few calls … Continue reading

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