…put beneficials at risk. Beneficial insects provide valuable natural control of many canola insect pests, including diamondback moth, lygus bug and bertha armyworm. Spraying these pests when economic thresholds predict…
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…pockets of southern Alberta, but numbers are down from previous years. Click here for more information. Bertha armyworm: Some spraying for bertha is occurring in the Peace Region with counts…
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…Alberta) and provide name, sample date, location (LLD or GPS), total number of sweeps, and total number of weevils in those sweeps. Bertha armyworm. Adult moth counts were elevated in…
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…Diadegma insularis and Microplitis plutellae. Read more. Parasitism of bertha armyworm by the parasitoid wasp Banchus flavescens may exceed 40% in some years. Read more. Ground beetles are among the…
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…help with identifying pest and beneficial insects. Pod damage from insects, including lygus, bertha armyworm and diamondback moth larvae, tends to be the most costly damage at this time of…
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…developing pods. By this point in the season, most adults have died off and the late summer hatch for next years adults has yet to occur. READ MORE Bertha armyworm…
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…are small and cannot do the rapid damage that bertha armyworms can do. If diamondback moth larvae are at thresholds, waiting a couple of days can bring a dramatic change…
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…help with identifying pest and beneficial insects. Pod damage from insects, including lygus, bertha armyworm and diamondback moth larvae, tends to be the most costly damage at this time of…
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…do the rapid damage that bertha armyworms can do. If diamondback moth larvae are at thresholds, waiting a couple of days can bring a dramatic change in numbers. In that…
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