Grasshoppers migrating to canola

Grasshoppers appear to be migrating into canola fields to feed on pods in the drier parts of southwestern Manitoba and eastern Saskatchewan. Continue scouting for grasshoppers because if caught early,…

Grasshopper migration into canola fields may increase as pasture growth slows and other host crops (e.g. cereals) are swathed, especially in the drier parts of southwestern Manitoba and southern Saskatchewan.…

Grasshoppers are often worse in hot, dry conditions. One big reason is because insects, as cold-blooded creatures, eat more and grow faster in hot weather. The other reason is that…

Grasshoppers may be above thresholds in some fields. The nominal threshold for grasshoppers in canola is 8-12 per square metre, although the higher end of that range may be more…