Consultation on Special Reviews: Potential environmental risk related to squash bee (Peponapis pruinosa) exposure to clothianidin, thiamethoxam and imidacloprid used on cucurbits, Proposed Special Review Decision PSRD2021-02

Health Canada is consulting Canadians over the next 45 days on its proposed special review decision to continue registration of clothianidin, thiamethoxam and imidacloprid products for sale and use on cucurbits in Canada.

Clothianidin, thiamethoxam and imidacloprid are systemic neonicotinoid insecticides registered for commercial use in Canada on a variety of agricultural crops, including cucurbits.

Since the initiation of this special review in 2014, the cucurbit registered use pattern has been reviewed as part of several re-evaluation and special review decisions. Many of these reviews resulted in changes to the registered use pattern on cucurbits.

The evaluation of available scientific information related to the aspects of concern that prompted this special review on squash bees indicates that the potential environmental risks are considered to be acceptable under current conditions of use in Canada, taking into consideration changes since 2014, which included additional mitigation measures.

For a list of products containing clothianidin, thiamethoxam or imidacloprid for cucurbit use in Canada, please consult Appendix I in the PSRD or visit the Pesticide Label Search database.

For more information on the proposed decision open the “Proposed Special Review Decision”.

How to Get Involved

This consultation is open for comment from 29 June 2021 to 13 August 2021 (45 calendar days).

To comment on PSRD2021-02:

All comments and information received during the public comment period will be considered before making a final special review decision.

Please refer to the document title (for example: PSRD2021-02, Special Reviews: Potential environmental risk related to squash bee (Peponapis pruinosa) exposure to clothianidin, thiamethoxam and imidacloprid used on cucurbits) when providing comments.

Reporting to Canadians

Health Canada will make the results of this consultation available on this website. Once the decision is finalized, the PMRA will post a Special Review Decision on the Pesticides and Pest Management Reports and Publications portion of Canada.ca.

If you have any questions, contact the Pest Management Information Service.

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