Predicted Bertha Armyworm Development Storymap
The Predicted Bertha Armyworm Development storymap provides weekly predicted stages of development of bertha armyworm (Mamestra configurata) for locations across Western Canada. The bertha armyworm is one of the most significant insect pests of canola in Canada. It occurs throughout Manitoba, Saskatchewan, Alberta and the interior of British Columbia. Severe infestations can occur throughout most of this area but are usually limited to the parkland area of the prairies and the Peace River region of British Columbia and Alberta.