Links to the provincial bertha armyworm trap count pages:
Manitoba. Manitoba has one location at Tilston (southwest corner) in the moderate risk range, and a few in the uncertain risk range. Find the latest Manitoba updates here.
Scott Meers with Alberta Agriculture provides the following information on how to interpret bertha trap results:
“When an area starts to get a mixture of traps near 300 moths, some over 300 and the odd one even over 900 moths, then we are into potential outbreak territory. … It means we need to be scouting canola fields in the vicinity of the elevated trap catches.” Read Scott’s full report.