The Prairie Pest Monitoring Network Weekly Update (see below) includes wind trajectories updates, which serve to aid diamondback moth (DBM) monitoring. Cooperators, please register your sites as soon as possible. Alberta’s map will be live next week and it can be found here. Monitoring goes from early May to mid June. Go direct to the guide here or start here and follow the links.ĭiamondback moth monitoring. When large flocks are observed, closer examination of the field to assess cutworm numbers may be warranted.” Large numbers of seagulls or other birds may be attracted to fields when cutworms are abundant (p. To look for cutworms between rows with feeding damage, carefully remove plant residue and soil clumps. Also search the soil at the base of healthy plants remaining in the middle of bare patches or around the edge of the bare patch. To confirm the presence of cutworms, carefully search the top 2.5 to 5 cm (1 to 2 in.) of soil around the base of severed plants at the end of within-row gaps or around the base of healthy plants at the end of these gaps. For example, damping-off disease can cause wilting in seedlings that may be mistaken for cutworm damage. “It is important to confirm the presence and identity of cutworms before deciding on a course of action. AAFC has published a new cutworm guide, available as a free download, with descriptions of all pest cutworms in Canada as well as helpful management tips, including this excerpt from the scouting section:
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