PMRA consultation on Thiamethoxam (Actara 25WG) and Clothianidin (Clutch 50WDG)

Wednesday, January 3, 2018

On December 19, 2017 PMRA announced a re-evaluation of and opened consultations on the neonicotinoid pesticides - Thiamethoxam (Actara 25WG) and Clothianidin (Clutch 50WDG) citing concerns about the effects of neonicotinoid pesticides on bees and other pollinators.

These consultations are open for comment from 19 December 2017 to 19 March 2018 (90 calendar days).  Comments can be provided to PMRA at: http://www.hc-sc.gc.ca/contact/cps-spc/pmra-arla/pmrapub-eng.php

In summary, the following mitigation measures are being proposed respecting Thiamethoxam (Actara 25WG) use in berries on weevils:

Strawberry
          Remove pre-bloom foliar use
          Maintain post-bloom foliar use with renovation after harvest 
          Remove soil use
Bushberry (incl. highbush blueberry) and Caneberry (incl. raspberry and blackberry)
          Remove pre-bloom and during bloom foliar use
          Maintain post-bloom application

In summary, the following mitigation measures are being proposed respecting Clothianidin (Clutch 50WDG) use in strawberries on tarnished plant bug (Lygus bug):
           Remove pre-bloom application timing based on potential for risk
           Restrict timing to post-bloom application

Other crops will also be effected by this re-evaluation.  Complete information on the re-evaluation consultation is available at: https://www.canada.ca/en/health-canada/services/consumer-product-safety/pesticides-pest-management/public/consultations/neonicotinoid-pesticides.html

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