Gypsy Moth Management in British Columbia

In B.C., the goal of gypsy moth management is “eradication” — to prevent populations from becoming established. Gypsy moths are not yet established in B.C. or in adjacent areas in Western Canada and the Western United States.

An established population is defined by the North American Plant Protection Organization as one that is perpetuating "for the foreseeable future within an area after entry."

In B.C., the gypsy moth eradication strategy involves three main steps:

  1. Prevention
    Preventing gypsy moths from entering B.C. is always better than having to eradicate them once they are established.
  2. Monitoring
    Pheromone traps are used to monitor and detect new introductions, and to monitor the success of treatments.
  3. Treatment
    Treatment methods are designed to eradicate an introduced population quickly while it is still very small. The most common treatment involves spraying with the biological insecticide Btk. Other methods are also used.

What You Can Do

If you find any of the gypsy moth life stages, please contact the Canadian Food Inspection Agency (CFIA) as soon as possible. An inspector will investigate. 

  • 250 363-3618
    (Vancouver Island)
  • 604 666-2408

Not sure if you have found a gypsy moth?