Japanese Beetles are in Flight! How to control JB under the new GCP regulations.

JB Pesticide timing InfographicJapanese Beetle (Popillia japonica) adults are starting to take flight in southern Ontario.   They have been spotted in Hamilton and Niagara this week. Read on for an updated post on WHAT and WHEN to spray for JB to meet certification requirements if you ship product outside Ontario.

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Japanese beetles can cause shipping delays and rejections if your crop (or one you’re shipping but didn’t grow) hasn’t been properly treated according to GCP standards.
  • The updated post from 2018 can be found here.  This contains information on approved products and proper timing and a decision tree to figure out if you need to spray or not.
  • Requirements for the JB module for the Greenhouse Certification Program can be found here.
  • More about Japanese beetle hosts and biology can be found here and here.



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