By WCM Staff on 8/23/2007 12:18 PM

Stink bugs are making an appearance in corn and soybean fields this late season, in higher numbers than usual, particularly the green stink bug.

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By WCM Staff on 8/15/2007 2:04 PM

On Friday, August 10th 2007, releases of the soybean aphid parasitoid Binodoxys communis were made in field cages in southern Wisconsin.

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By WCM Staff on 8/10/2007 8:26 AM

Corn earworms are an economic concern in fresh market and processing sweet corn, and hybrid dent seed corn. Here are two excellent ways for you to monitor corn earworm flights on a real time basis for your area.

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By WCM Staff on 8/2/2007 11:10 AM

As we enter late season, a final note on potato leafhopper scouting and IPM treatment decisions as alfalfa stands enter final crop of the year.

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By WCM Staff on 8/2/2007 10:58 AM

Western bean cutworm moth captures in pheromone traps generally declined this week.

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By WCM Staff on 8/2/2007 10:42 AM

In addition to soybean aphid, include two spotted spider mite in soybean field scouting and treatment decisions.

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By WCM Staff on 7/19/2007 1:31 PM

Over the past few years some extension agents have reported a troubling trend. Alfalfa is cut, baled and then an insecticide is applied shortly after the bales have been removed. This is not a recommended practice for a variety of reasons. Scouting the field is the only way to know if PHL is present in populations large enough to cause damage to alfalfa regrowth, justifying an insecticide application.

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By WCM Staff on 7/12/2007 3:13 PM

This article accompanies “Soybean Aphid Updates for Wisconsin – Important to Scout Fields” in this issue. Please visit the UW Madison Soybean Plant Health Web Page for more information on soybean aphid. Here are complete links.

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By WCM Staff on 7/12/2007 3:01 PM

Soybean aphid densities in commercial fields and UW Entomology research plots are summarized here from a variety of sources. Overall, field densities are low and have not reached economic threshold levels. A few scattered fields have reached threshold,

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By WCM Staff on 7/6/2007 12:06 PM

An occurrence of Corn Blotch Leafminer (CBL) was reported June 26 in Christiana Township (Dane County) by David Fischer, UW-Extension Dane County Crops and Soils Agent. The feeding was found on V12-V15 corn on the older, lower leaves, while the youngest, uppermost three leaves of each plant were found uninjured. Fischer also reported a large area of CBL feeding in the Black Earth area on June 28.

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By WCM Staff on 6/28/2007 2:00 PM

Over the last couple of weeks, in southern Wisconsin at least (Dodge, Columbia, Dane Counties), conversation and questions have noted the large number of black and orange butterflies.

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By WCM Staff on 6/20/2007 2:35 PM

True Armyworm moth captures have increased in black light traps in Wisconsin over the past two weeks, and are high in neighboring states MN and IL.

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By WCM Staff on 6/15/2007 9:44 AM

First generation European corn borer egg hatch has begun with confirmed feeding reports in corn plants in southern Wisconsin. Krista Hamilton, WI DATCP Pest Survey, reported egg hatch on June 8th. Please visit the Wisconsin Pest Bulletin corn section for this week’s statewide update http://pestbulletin.wi.gov/index.jsp.

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By WCM Staff on 6/15/2007 9:32 AM

Potato leafhopper populations have increased over the last week, and nymph production is well underway. Many consultants and farmers have begun weekly sweep net sampling of alfalfa fields - this practice should continue for the remainder of the season. UPLOADTEMPLATE

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