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 (244), Huron (206), Haldimand-Norfolk (138), Essex (155) and Elgin […]

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Coragen Insecticide Also Registered for WBC in Corn

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 make the printing deadline.  So […]

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Western Bean Cutworm Action Thresholds

Many questions are starting to come in regarding WBC.  Just to help clarify what the action thresholds for western bean cutworm are, here is a quick summary: In Corn: Scout 10 plants in a row in 10 areas of the field.  In non-Bt corn or transgenic corn that does not provide any protection against WBC […]

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This Week’s Insect Activity

There is a lot happening out there. I am sure I am not aware of half of the infestations that are going on but at least I will report on what I do know. Western bean cutworm – Hot spot egg mass locations continue to be in the Bothwell area with now fields in the […]

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Without Rain Comes Spider Mite Problems

Chris DiFonzo from MSU and I both have this pest on our radar.  I was hoping to see more areas get some of the rain that touched Ontario yesterday but sadly that didn’t happen.  It is typically a little early for mites given the stage of the soybean crop but with this heat and dry […]

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WBC Moth Look A Likes

There is a bit of confusion out there amongst our trap participants who are trying to identify their catches.  Western bean cutworm (WBC) has a few look a likes.  Plus Large Yellow Underwing moths are flying around this year which is confusing matters.  Pay extra attention to the details that are on the wings. Here […]

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Lots of Insect Activity Still Out There

It’s been quite a week and it’s only Tuesday.  Many of you are calling about one of these pest issues so hopefully I can help answer all of your questions here. Grass Sawfly in Wheat:  Once you start to see sawfly feeding (see previous blog for pics and details) the feeding damage is nearly done.  […]

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