Events Icon


View Events
Events Icon

Smart Partner Program

Learn More
Subscriber Login

Bug of the Month April 2019


Glassy Cutworm

glassy cutworm Photo: Joseph Berger,

Dr. Carcamo and Kevin Floate suggest watching for this cutworm now particularly in fields where wheat and corn are in rotation. According to the Cutworm Pests of Crops on the Canadian Prairies: Identification and Management Field Guide, outbreaks can last 2-3 years.

Lifecycle of glassy cutworm taken from Cutworm Pests of Crops on the Canadian Prairies

These are all over North America and damage roots of plants while leaving the plants upright. This is just one species of cutworm that may be in Alberta fields.

Glassy Cutworm pupa Photo: Integrated Plant Protection Center of Oregon State University

The Canola Council of Canada also has great information about this pest.