Grasshoppers Migrating?

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, perimeter spraying may be all that is needed.  A specific economic threshold for grasshoppers in canola has not been established as it is not a preferred host crop, but it is currently considered to be in the range of 7 to 14 per m2, depending on the crop value and cost for control. More information on grasshoppers is available at the following link: http://www1.agric.gov.ab.ca/$department/deptdocs.nsf/all/agdex6463