Tag Archives: Jensen

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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Insect Notes-June 20, 2017

Bryan Jensen, UW Extension and IPM Program Armyworms are still being found at treatable levels in some corn fields.  A common scenario has been corn planted after a grass cover crop.  Other possibilities include spring grassy weeds and corn no-tilled … Continue reading

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First Generation European Corn Borer

Bryan Jensen, UW Extension and IPM Program Southern Wisconsin is approaching peak first generation European corn borer flight (600 DD, base 500 F).  The best treatment time is usually around 800-1000 degree days.  A lot of Wisconsin’s corn will not be … Continue reading

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True Armyworms

Bryan Jensen, UW Extension and IPM Program Surrounding states have reported armyworm alerts and damage.  Furthermore, DATCP’s WI Pest Bulletin has indicated a moderate flight so far. Although I’ve only received a few phone calls so far, it would be a … Continue reading

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Wet weather field crop pests, millipedes and slugs

Bryan Jensen, UW Extension and IPM Program Millipedes Because of the wet/cool weather, I’m sure a lot of people will be in fields focusing on corn and soybean emergence.  Although there are many potential causes for poor stands, millipedes are … Continue reading

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Black Cutworm

Bryan Jensen, UW Extension and IPM Program A friendly reminder regarding the potential for Black Cutworm (BCW) damage in corn. Based on arrival of the migrating adults, the WI Department of Agriculture, Trade and Consumer Protection’s Pest Survey is anticipating … Continue reading

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