Bertha Armyworm Monitoring Program
Cumulative Counts per Trap

The following map shows the cumulative counts per trap for the bertha armyworm. Moths are trapped over a six-week period to determine the risk of economic damage to canola and other cruciferous crops in Manitoba.

• Interpreting Bertha Armyworm Cumulative Moth Counts
   
• Trap Counts (pdf file)

For further information, contact your GO representative.