Ministry of Agriculture and Lands

Bertha Armyworm Forecast Maps

The goal of the Prairie Pest Monitoring Network is to develop an early warning system for field crop pests that is timely and user friendly.

Maps showing current (updated daily) moth activity are available for Bertha Armyworm for the Prairie provinces and the BC Peace region.  Follow the link below to access more information and other available insect monitoring maps.  Note, the maps for the BC Peace are shown with the Alberta maps. 

The following factsheets have more information on these pests:

bertha armyworm and diamondback moth