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City of Mississauga Parks and Forestry - Pest & Disease Management

Integrated Pest Management

What is Integrated Pest Management?

To help manage future populations, the City is using Integrated Pest Management (IPM) measures. IPM is a sustainable approach to managing pests by combining biological, cultural, physical, and chemical tools in a way that minimizes economic, health and environmental risks.

The IPM approach uses knowledge of pest, plant and environmental conditions to select
the best combination of management strategies. Recognizing the extraordinary adaptability of insects, IPM does not attempt to eradicate a particular pest entirely. Rather, it is aimed at keeping pest populations below the threshold level at which they can cause significant economic loss.

The City uses IPM controls because of the emphasis on prevention and considering all available options and information before deciding how to manage a pest problem. IPM controls typically rely on effective, alternative approaches to pesticides and chemicals.

What can residents do to help?

The City encourages all residents to help manage Gypsy Moths by following these IPM techniques:

  • May to July: Pick caterpillars off leaves, tree trunks and branches and soak them in soapy water to destroy them.
  • May to September, BurlappingPDF Document: Install burlap wraps around tree trunks and then collect and destroy caterpillars and pupae.
  • June to August, Pheromone TrapsPDF Document: Use pheromone traps to catch and confuse
    male Moths.
  • August to May, Gypsy Moth Egg Mass SearchPDF Document: Scrape off and destroy egg masses
  • Contact an Arborist: Please call your local nursery or garden supply store for availability of the materials listed above.

Stay Connected

Sign up to receive news alerts on Tree Pest Management from the City’s Forestry team.

For more information on Gypsy Moths, email or call 3-1-1 (or 905-615-4311 from outside Mississauga city limits).


The City has made a series of videos to help demonstrate some of the techniques mentioned above.

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