Soybean Aphids Starting Up

June 18, 2013 • Written by Tracey Baute
Soybean aphids colonizing on V stage soybeans
I have been hearing reports of soybean aphids starting to pop up on non-Cruiser soybeans in Ontario. It has been a few years since we've had to deal with them so I thought a refresher might be in order. Soybean aphids initially start to colonize in pockets of early planted fields. Several pla... Continue reading →
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Bugs versus Slugs

June 14, 2013 • Written by Tracey Baute
Bugs versus Slugs
I admit that scouting soys when just the cotyledons are out makes for tough pest injury diagnostics. It does take some years of experience to really get to know what you are looking at. Three pests that commonly feed on the cotyledons include seed corn maggot, bean leaf beetle and slugs. Occasionall... Continue reading →
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Armyworm Again! Scouting is Advised

June 3, 2013 • Written by Tracey Baute
I was concerned about the potential risk for armyworm this year, given that we had a cool, wet April which is not ideal for their natural enemies.  But to have back to back armyworm years is rare.  Will Ontario beat those odds this year? I have had reports of armyworm being present in many whea... Continue reading →
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Watch for this Stinker this Summer – Brown Marmorated Stink Bug

May 27, 2013 • Written by Tracey Baute
Watch for this Stinker this Summer - Brown Marmorated Stink Bug
Brown marmorated stink bug (BMSB) is our newest pest of concern for Ontario agriculture.  Though we have not detected it yet on any of its crop hosts, we have confirmed it has established breeding populations here in Ontario and is successfully overwintering in homes in Hamilton, Toronto, Newbo... Continue reading →
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Alfalfa Weevil Reaching Threshold – Scout!

May 22, 2013 • Written by Tracey Baute
We are getting a lot of calls about alfalfa weevil in various counties nearing or reaching threshold.  Scouting is strongly recommended.  Joel Bagg wrote a very thorough blog entry last year regarding scouting and management options so I won't bother to repeat his efforts and instead direct you to... Continue reading →
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Cool, Wet April Means Good for Pests, Bad for their Enemies

May 3, 2013 • Written by Tracey Baute
It is rare to experience back to back armyworm outbreak years.  This is usually because the natural enemies (particularly parasites and entomopathogens) build up in an outbreak year and are in good supply the following year to keep up with the armyworm.  However, armyworm outbreaks do tend to occu... Continue reading →
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Protecting Pollinators During Corn Planting Season

April 12, 2013 • Written by Tracey Baute
With corn planting season soon upon us, it is a good time to remind everyone to take extra precautions to try to reduce the risk to bees being exposed to neonicotinoid contaminated dust from corn planters. Virtually all corn seed is treated with a neonicotinoid insecticide (ie. Poncho or Cruiser), a... Continue reading →
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SW Ontario Corn Growers Wanted for Corn Planter Dust/Bee Study

March 25, 2013 • Written by Tracey Baute
We are looking for growers who are interested in participating in our study this spring/summer.  Art Schaafsma (UGRC) and myself have received funding to work on some particular questions with regards to corn planter dust and bee incidences. We are looking for 2 corn growers per county from the ... Continue reading →
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Canola Growers – Swede Midge ID Workshop at U of G – April 5th

March 20, 2013 • Written by Tracey Baute
Dr. Rebecca Hallett will be offering a Swede Midge Identification Workshop on Friday, April 5th from 10 am to noon, University of Guelph. Session in the lab, looking at swede midge and other easily confused insects on sticky cards with naked eye and microscope; swede midge specimens on sticky ca... Continue reading →
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Taking Steps towards Reducing the Risk to Pollinators

January 25, 2013 • Written by Tracey Baute
Written by: Tracey Baute - Field Crop Entomologist and Greg Stewart - Corn Specialist, Ministry of Agriculture and Food and Ministry of Rural Affairs A high level of concern was raised last spring regarding bee kills and corn planting. Many growers are asking what actions they can take to help redu... Continue reading →
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Tracey is Back and So are Winter Cutworm

November 15, 2012 • Written by Tracey Baute
Tracey is Back and So are Winter Cutworm
A winter wheat field near Owen Sound has 4 to 5 acres of "missing plants", cut off at the soil level.  Not many insects could do that kind of damage this time of year.  It sounds like a case of winter cutworm.  It was to the day, 4 years ago when I wrote a CropPest article about this pest.  ... Continue reading →
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Insects Feeding on Soybean Leaves

August 3, 2012 • Written by Tracey Baute
Note: This post was originally published in July of 2010, but once again in 2012 there are reports of Japanese beetles feeding on soybeans. In particular it would be worthwhile to go and click on the article below that shows what the leaf feeding insects look like along with threshold values. The... Continue reading →
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Cereal Aphids Found in Wheat – Should You Be Concerned?

May 23, 2012 • Written by Tracey Baute
Cereal Aphids Found in Wheat - Should You Be Concerned?
There are several species of aphids that are grouped together as “cereal aphids”.  The most common are bird cherry oat aphids (Figure 1) and corn leaf aphids (Figure 2), though English grain aphid and greenbugs can sometimes be found.  The aphids would have been present since the fall and usu... Continue reading →
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Introducing Web-based Refuge Selector Tool

December 9, 2011 • Written by Tracey Baute
Introducing Web-based Refuge Selector Tool
Co-Author: Cara McCreary, and Jocelyn Smith, University of Guelph Ridgetown Campus The Canadian Corn Refuge Hybrid Selector is a web-based tool that has been developed through collaboration of the Canadian Corn Pest Coalition, the Ontario Corn Committee, and the Canadian Seed Trade Association t... Continue reading →
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Scout Corn Ears for Western Bean Cutworm

September 1, 2011 • Written by Tracey Baute
Scout Corn Ears for Western Bean Cutworm
Some corn fields may be at risk of extended WBC feeding this fall, particularly those that were late planted or are situated where egg laying occurred over a wider window.  This year in particular, we are seeing a wide range of larval sizes because of the extended egg laying period that took place ... Continue reading →
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Author

Tracey Baute

Areas of Focus
• Collaborate on applied research and demonstration projects to validate/determine practical integrated insect management solutions
• Monitor for and implement strategies for new invasive species
• Co-developer of the Aphid App
• Co-author of Publication 812, Field Crop Protection Guide
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