Diamondback moth at threshold in some areas
Parts of the Swan River Valley were spraying for Bertha last week and now are contending with diamondback moth. Second generation larva and cocoons are being found in other areas…
Read moreParts of the Swan River Valley were spraying for Bertha last week and now are contending with diamondback moth. Second generation larva and cocoons are being found in other areas…
Read moreSome canola fields have lygus bugs, cabbage seedpod weevils, bertha armyworms, diamondback moths and grasshoppers. Economic spray thresholds are calculated based on individual species. We don’t have scientific evidence to…
Read more…more thorough scouting in future years. Pod stripping and holes chewed in pods by bertha armyworm or diamondback moth larvae will be obvious. Less obvious are the tiny holes in…
Read moreDiamondback moth, bertha armyworm, cabbage seedpod weevil and lygus bug are at or near thresholds in areas. Keep scouting to avoid losses due to late season insects. High temperatures in…
Read more…date, location (LLD or GPS), total number of sweeps, and total number of weevils in those sweeps. Bertha armyworm Adults showing up in traps across the Prairies. Numbers are on…
Read more…by bertha armyworm or diamondback moth larvae will be obvious. Less obvious are the tiny holes in pods and shriveled or devoured seeds beneath them, which suggest lygus bug and…
Read more…Boyle and Barrhead. Farmers near Provost and Two Hills are battling high populations of lygus, diamondback moth and bertha armyworm. Click here to see threshold tables for key insects. Be…
Read more…Lygus bugs, diamondback moth larvae and bertha armyworms can do a lot of damage fairly quickly. Some good-looking fields in north central Alberta, for example, are at or near thresholds…
Read moreIssues of the week: July 28, 2010 — With more canola fields going into early pod-filling stages, the insect watch enters a critical phase. Spraying for lygus, bertha armyworm and…
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