The West Central Forage Association is taking orders for Canada thistle stem-gall flies for 2018 delivery. Each release contains 105 individual flies. Orders must be placed no later than Tuesday, Nov 28.
Cost: $130 + GST per release.
For ordering or more information on either the Stem-Gall Fly or the Stem-Mining Weevil please contact:
Jessica Watson, BSc.
Ag Conservation Agriculture & Extension Program Manager
These biocontrol agents attack thistle specifically, causing gall tissue to form on the plant stem, directing energy away from the plant's normal metabolic & reproductive functions, reducing plant vigor, flowering & seed production. Click Here for more information.