Your Yearly Explainer of Japanese Beetle Requirements: Get Those Treatments on Before May 15!

For those of you planning on shipping ornamental products out of Ontario anytime between May 15 and June 15, this is your yearly reminder to get your curative application of Acelepryn on BEFORE May 15! Recall that no pesticides are allowed when Japanese beetle (JB) pupae are present (generally, May 15-June 15 in Ontario). So, if you haven’t already curatively treated your plants that are about to go out the door (either after Aug 15 in 2024 or before May 15 2025) they may not meet shipping requirements.

For more details, check our our updated infographic for JB control products and timing to know what to apply when. Not sure if you need to treat for JB or not? This post also contains a decision tree and a quick reference table for applicable JB programs when shipping outside Ontario.

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Japanese Beetle Control 2024: Get your Japanese Beetle Treatments on BEFORE May 15!

For those of you planning on shipping ornamental products out of Ontario anytime between May 15 and June 15, this is your reminder to get your curative application of Acelepryn on BEFORE May 15! Recall that no pesticides are allowed when Japanese beetle (JB) pupae are present (generally, May 15-June 15 in Ontario). So, if you haven’t already curatively treated your plants that are about to go out the door (either after Aug 15 in 2023 or before May 15 2024) they may not meet shipping requirements.

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Japanese Beetle Control 2023: Changes to Allowable Pesticides and Updates to Infographic

It will soon be that time of year again, when Japanese beetle (JB) adults begin to fly! However, there have been some changes to acceptable control products for JB growers need to be aware of in order to be in compliance with certification programs for this pest.

This post highlights changes to treatments and also provides an updated infographic for JB control for those exporting to non-JB areas (both domestically and to the United States).

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Japanese Beetle Control: 2021 Considerations

japanese beetle_dave It will soon be that time of year again, when Japanese beetle adults begin to fly!

However, the cooler spring means pupation may take longer. So what does that mean for timing of control products?

This post answers those questions and provides current infographics for JB control for those exporting to non-JB areas.

Continue reading “Japanese Beetle Control: 2021 Considerations” →

Updates 2020: Japanese Beetle Control

japanese beetle_dave It will soon be that time of year again, when Japanese beetle adults begin to fly. However, the cooler spring means pupation may take longer. So what does that mean for timing of control products?

This post answers those questions and provides updated infographics for JB control for those exporting to non-JB areas.

Continue reading “Updates 2020: Japanese Beetle Control” →

Japanese beetles are in flight! WHAT and WHEN to spray.

Image result for japanese beetle — Japanese beetle (Popillia japonica) adults were spotted flying on June 29 (2018) in Ontario!

The Japanese beetle season is upon us once again! Adults were spotted this week in Southern Ontario.

Shipping outside Ontario or need to meet the requirements of the JB module for the Greenhouse Certification Program? Not sure what’s required?

This post contains a treatment “decision tree” and a JB product “cheat sheet” to help growers of greenhouse ornamentals.

Continue reading “Japanese beetles are in flight! WHAT and WHEN to spray.” →

Exporting to a JB-free Zone? Proper Pesticide Timing for Japanese Beetle Control in Ontario.

japanese beetle_dave Navigating the guidelines for exporting plant material out of a Japanese Beetle (JB) zone such as Ontario can be tricky business, especially with upcoming changes to the Greenhouse-Grown Plant Certification Program (GCP; formerly CGCP).

Also not helping is the general lack of information out there regarding proper timing of JB control products. For example, did you know that NO products are considered effective between May 15 and June 15? This could create problems if you’re shipping outside Ontario in the next month and haven’t treated yet.

To make things easier, I’ve created a treatment “decision tree” and a JB product “cheat sheet” for growers of greenhouse ornamentals.

Continue reading “Exporting to a JB-free Zone? Proper Pesticide Timing for Japanese Beetle Control in Ontario.” →