Tag Archives: western bean cutworm

WBC Peak Flight Update

August 10, 2012 • Written by Tom Cowan
western-bean-cutworm-049
Although we are missing some data from a few trap locations it appears as if most of the province has experienced peak flight for WBC.  We hit peak flight earlier this year then in previous years but this consistent with what we have seen with other Lepidoptera pests this year. Counties with an ast... Continue reading →
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Western Bean Cutworm Peak Flights

August 3, 2012 • Written by Tom Cowan
Peak flight is a bit difficult to pin point this week because there is some data missing from our week 10 trap reports however, we have received some missing data from previous weeks so I can provide information on peak flights for some counties and possible peak flights for others.  Some areas are... Continue reading →
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Western Bean Cutworm Trap Counts Going up; Time to Check for Eggs!

July 9, 2012 • Written by Tom Cowan
Western Bean Cutworm Trap Counts Going up; Time to Check for Eggs!
Our WBC trapping network has been catching relatively few moths over the past weeks but last week some higher numbers were reported. These numbers are still a bit behind what I would have expected considering the warmer weather but the trend is towards increasing numbers. Just last week the scou... Continue reading →
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Variegated Cutworm in Soybean? First WBC Moth Caught!

June 14, 2012 • Written by Tom Cowan
Variegated Cutworm in Soybean? First WBC Moth Caught!
I’ve had a few calls in the past few days asking about armyworm and black cutworm damage in soybeans. I had the chance to get out to a few fields and found that the damage is being caused by the variegated cutworm (Peridroma saucia).  The variegated cutworm is another migrating moth that comes in... Continue reading →
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WBC Trapps, Grubs and More! Is this really May?

May 24, 2012 • Written by Tom Cowan
WBC Trapps, Grubs and More! Is this really May?
The weather is certainly warming up and it looks like the forecast is for more of the same.    Things are getting busy and I’ve got a few things to talk about this week.  The first is the start of the Western Bean Cutworm Trapping network.  Traps should be set up this week and the data should... Continue reading →
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Western Bean Cutworm Trapping Network

April 20, 2012 • Written by Tom Cowan
As we gear up for the 2012 season we are again looking for participants in the Western Bean Cutworm Trap Network monitoring program. Of particular need is to have more traps in Elgin and Haldimand/Norfolk County. Information on the trap network can be found on the Canadian Corn Pest Coalition websi... 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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Western Bean Cutworm and Scouting in Dry Beans

August 26, 2011 • Written by Tracey Baute
Western Bean Cutworm and Scouting in Dry Beans
It's time to get out and scout for WBC damage in dry beans.  Based on trap counts we are now confident that some counties experienced peak flight the last week of July and others the first week of August.  Though I will admit that some trap sites are still catching lots of moths, especially the be... Continue reading →
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WBC Peak Flight Was Last Week for Some Counties

August 12, 2011 • Written by Tracey Baute
The 2011 season is clearly not like 2010.  We are not seeing a province wide WBC peak flight like last year.  Based on the trap counts that came in this week, it appears that some counties experienced peak moth flight last week (August 1st to 7th) while other counties are still going strong and ma... Continue reading →
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WBC Trap Catch Graphs

August 5, 2011 • Written by Tracey Baute
As mentioned yesterday, last week trap catches shot up significantly.  I've included a graph to show just how big of a flight we are experiencing this year compared to previous years. Ontario 2009 2010 2011 Averages I've also included an updated graph showing the counties that have been catching t... Continue reading →
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WBC Trap Counts Still Climbing!

August 4, 2011 • Written by Tracey Baute
If you can believe it, we have not reached WBC peak moth flight yet!  Trap counts continue to climb and some participants are having a hard time counting them all.  During this intense period, I do recommend that our trap participants check their traps more than once a week, simply to keep on top ... Continue reading →
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Young Western Bean Cutworm Larvae

August 3, 2011 • Written by Tracey Baute
Young Western Bean Cutworm Larvae
Some scouts are starting to notice tiny WBC  larvae that have hatched that crawling in the whorl or making their way down to the ear of the plants.  To help you know whether they are WBC larvae, here are some photos.  You can click on them to enlarge them. They start out with spots along their b... Continue reading →
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Top Counties Catching WBC Moths So Far

July 28, 2011 • Written by Tracey Baute
Trap counts sent in to the network this week from last week’s moth catches indicate that moth flight increased dramatically.  And from tweets on Twitter and emails coming in from participants, even higher numbers are being caught this week in some traps.  So we haven’t quite reached peak moth ... Continue reading →
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Western Bean Cutworm Activity Increasing

July 22, 2011 • Written by Tracey Baute
Western Bean Cutworm Activity Increasing
Despite the heat, western bean cutworm activity is increasing.  Trap catches over the past week have climbed significantly, indicating that peak flight is here or soon to be here.  The counties that have accumulated the most moth catches so far include Chatham-Kent (544), Lambton (256), Middlesex ... Continue reading →
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Coragen Insecticide Also Registered for WBC in Corn

July 20, 2011 • Written by Tracey Baute
I have been negligent in not mentioning the newest insecticide to be registered for WBC control in corn.  I have no excuse except that I been conveying product information through links to Publication 812, Field Crop Protection Guide and the product didn't get registered for WBC control in time to ... Continue reading →
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