Re-evaluation Note REV2016-17, Initiation of Special Reviews: Potential Environmental Risk to Aquatic Invertebrates Related to the Use of Clothianidin and Thiamethoxam

Pest Management Regulatory Agency
23 November 2016
ISSN: 1925-0649 (PDF version)
Catalogue number: H113-5/2016-17E-PDF (PDF version)

Initiation of Special Reviews

This notice is to advise that pursuant to subsection 17(1) of the Pest Control Products Act, Health Canada’s Pest Management Regulatory Agency (PMRA) is initiating special reviews related to registered pest control products containing the active ingredients clothianidin or thiamethoxam.

Based on a preliminary analysis of available information on the levels and frequency of detection of these pesticides in aquatic environments, the PMRA has determined that special reviews are warranted. The aspect of concern for these reviews is to assess potential risk to aquatic invertebrates exposed to clothianidin or thiamethoxam applied as a seed, foliar or soil treatment.

Following evaluations of the aspect of concern, pursuant to section 28 of the Pest Control Products Act, the PMRA will publish its proposed special review decisions for public consultation.

At any point during the special reviews, the registration of one or more of the pest control products containing the active ingredients clothianidin or thiamethoxam may be amended should evidence become available to believe that such action is necessary to deal with a situation that endangers the environment.

Tables 1 and 2 list the clothianidin and thiamethoxam products, respectively, which are subject to these special reviews.

Table 1 Pest control products containing clothianidin registered as of 18 November 2016 that are subject to a special review to assess potential risk to aquatic invertebrates
Registrant Name Product Name Registration Number
Sumitomo Chemical Company Limited Clothianidin Technical Insecticide 27445
Bayer Cropscience Inc. Titan Insecticide 27449
Poncho 600 FS Seed Treatment Insecticide 27453
Prosper FL Flowable Insecticide And 27564
Fungicide Seed Treatment
Prosper T 200 Flowable Insecticide And Fungicide Seed Treatment 29158
Prosper FX Flowable Insecticide And Fungicide Seed Treatment 29159
Emesto Quantum 30362
Prosper Evergol 30363
Sepresto 75 WS 30972
Valent Canada, Inc. Nipsit Inside 600 Insecticide 28975
Clutch 50 WDG Insecticide 29382
Arena 50 WDG Insecticide 29383
Clothianidin Insecticide 29384
Nipsit Suite Canola Seed Protectant 31355
Nipsit Suite Cereals Of Seed Protectant 31357
Table 2 Pest control products containing thiamethoxam registered as of 18 November 2016 that are subject to a special review to assess potential risk to aquatic invertebrates
Registrant Name Product Name Registration Number
Syngenta Canada Inc. Helix Liquid Seed Treatment 26637
Helix Xtra Seed Treatment 26638
Thiamethoxam Technical 26665
Cruiser 5FS Seed Treatment 27045
Cruiser 350FS Seed Treatment Insecticide 27986
Actara 240SC Insecticide 28407
Actara 25WG Insecticide 28408
Cruiser Maxx Beans Seed Treatment 28821
Cruiser Maxx Cereals Commercial Seed Treatment 29127
Cruiser Maxx Cereals Seed Treatment 29192
A18046A Seed Treatment 30388
Endigo Insecticide 30404
Cruiser Maxx Vibrance Cereals Seed Treatment 30436
Flagship Insecticide 30723
Minecto Duo 40WG 30900
Mainspring X Insecticide 30901
Cruiser Maxx Potato Extreme 31024
Cruiser Vibrance Quattro 31453
Helix Vibrance 31454
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