Wireworms are a widespread concern across the prairies early in the growing season. Kara Oosterhuis recently caught up with John Gavloski, provincial entomologist with Manitoba Agriculture and Resource Development, in this Canola School episode to talk about the insect pest that can impact your canola crop. Wireworms are the larval stage of the click beetle… Read More

Grasshoppers have proven to love Manitoba soybeans this season, and producers are starting to get anxious. With harvest approaching, it’s important to know the difference between grasshoppers that are pests and which ones aren’t, and to keep an eye on the pre-harvest intervals on products if a grower decides it’s economical to spray. As John… Read More

Regulatory restrictions are not on the radar in Manitoba, but the province’s agriculture entomologist suggests farmers in Western Canada should ask themselves “why?” before using neonicotinoid seed treatments. The Ontario and Quebec governments are restricting the use of insecticide-treated seed in response to concerns about neonics hurting bee health, but there haven’t been the same problems with pollinator populations… Read More

Cereal leaf beetle was first discovered in Alberta in 2005, with Saskatchewan and Manitoba finding populations shortly thereafter. As its name suggests, the insect prefers to feed on cereals, though it may extend its host range to grasses, even occasionally feeding on corn. Both adults and larvae feed on the leaves in strips between veins, causing a… Read More

Unlike bertha armyworm, which is discussed here, diamondback moths are quite small and are carried on winds that come up from the south. This makes monitoring and scouting for the pest somewhat more difficult than others, as pests that overwinter have a more easily anticipated emergence timeline. Beyond monitoring, there are some very telling ways… Read More

 

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