Pyrethroids

California State Water Board To Consider Approval of Pyrethroid TMDLs for Alamo and New Rivers (Imperial County)

California's State Water Board is set to approve strict new discharge limits for six pyrethroid pesticides in the Colorado River Basin region in May 2026. Impacted agricultural and industrial facilities must prepare for tighter NPDES permit conditions and enhanced monitoring to meet numeric water quality targets.

5 Apr 2026, 18:35waterboards.ca.govUnited States

Norway Consults on Amendments to Biocides Regulation to Implement New EU Active-Substance Decisions

Norway is consulting on aligning its Biocides Regulation with recent EU decisions, extending approvals for several active substances while setting a September 2026 phase-out for etofenprox. Impacted businesses must prepare for the etofenprox withdrawal and note new authorization deadlines for formaldehyde-releasers to maintain market access for biocidal products and treated articles.

1 Apr 2026, 14:17hss.miljodirektoratet.noNorway

Italy: Autonomous Province of Bolzano Bans Bee-Harmful Pesticides During Flowering for Apple Varieties

The Autonomous Province of Bolzano has implemented a ban on 15 bee-harmful active substances in plant protection products during the flowering of specific apple varieties, effective March 25, 2026. Agricultural operators must adjust pest management schedules and substance selection to ensure compliance with localized pollinator protection mandates and seasonal application windows.

31 Mar 2026, 19:38agricoltura.provincia.bz.itItaly

EFSA Publishes Consultation Outcome on Cypermethrin Risk Assessment Under EU Pesticides Regulation

EFSA has published a technical report updating the risk assessment for the insecticide cypermethrin following a review of confirmatory data. This updated evidence base will inform future EU risk-management decisions, potentially leading to revised use conditions or restrictions for products containing this substance.

29 Mar 2026, 05:43efsa.europa.euEuropean Union

Netherlands Ctgb Updates Biocide and Plant Protection Product Authorisations

The Dutch Ctgb has updated the authorisation status for several biocidal and plant protection products, including new registrations for insecticides and extensions for various herbicides and fungicides. Companies should audit their portfolios against these revised expiry dates and withdrawal schedules to ensure continued market access and manage the phase-out of specific active substances.

27 Mar 2026, 08:10zoek.officielebekendmakingen.nlNetherlands

California DPR Proposes Denial of Dynatrap (Transfluthrin) — PRO-2402340

The California Department of Pesticide Regulation (CDPR) has proposed to deny the registration of a transfluthrin-based mosquito repellent trap due to insufficient data or potential adverse environmental impacts. This action highlights California's rigorous data requirements for pesticide registration and signals potential market access barriers for products failing to meet specific environmental safety or efficacy standards.

26 Mar 2026, 19:32apps.cdpr.ca.govUnited States

New Zealand EPA Publishes Q2 2025–26 Hazardous Substances Application Performance Report

New Zealand has revoked approvals for the herbicide chlorthal-dimethyl (DCPA) and advanced its reassessment pipeline for high-concern pesticide groups. Impacted firms must finalize DCPA disposal by June 2026 and anticipate further regulatory tightening for synthetic pyrethroids and neonicotinoids.

19 Mar 2026, 19:27epa.govt.nzNew Zealand

EFSA Issues Article 43 Statement Reviewing Lambda‑Cyhalothrin MRLs

EFSA has recommended lowering Maximum Residue Levels (MRLs) for lambda-cyhalothrin to mitigate acute dietary exposure risks identified in recent safety assessments. Manufacturers should prepare for stricter compliance thresholds and potential supply chain impacts as the European Commission moves to codify these recommendations into law.

18 Mar 2026, 16:08efsa.europa.euEuropean Union

Canada PMRA Opens Consultation on Etofenprox Premise Sprays (PRD2026-04)

Health Canada is proposing the registration of etofenprox-based premise sprays for structural pest control, with a consultation period ending April 11, 2026. This registration would expand the available biocidal toolkit for facility managers and transport operators, contingent on final health and environmental risk validations.

14 Mar 2026, 07:53canada.caCanada

EU EFSA Registers Intake of Esfenvalerate MRL Application for Olives

EFSA has initiated the intake process for a new Maximum Residue Level (MRL) application for the insecticide esfenvalerate on olives. This signals potential future shifts in residue compliance thresholds, requiring food producers and pesticide registrants to monitor the assessment for impacts on market access.

13 Mar 2026, 08:43open.efsa.europa.euEuropean Union

EU ECHA Adds CLH Intentions for Azoxystrobin and Alpha-Cyano-3-Phenoxybenzyl Ester and CLH Proposal for Acequinocyl

ECHA has formally entered azoxystrobin, alpha-cyano-3-phenoxybenzyl ester, and acequinocyl into the harmonized classification and labeling (CLH) process as of March 2026. Manufacturers should assess potential impacts on product authorizations and labeling, as new hazard classifications often lead to stricter market access conditions.

10 Mar 2026, 06:07echa.europa.euEuropean Union

Slovenia Recalls Kaki Fruit Over Lambda-Cyhalothrin Residues

Slovenia has recalled Spanish-origin kaki fruit following the detection of lambda-cyhalothrin residues exceeding legal limits. This enforcement action highlights the continued scrutiny of pesticide MRL compliance in EU cross-border trade and the speed of RASFF-driven market withdrawals.

9 Mar 2026, 18:16gov.siSlovenia

Taiwan Ministry of Environment Issues Guidance on Ventilation and Safe Use of Mosquito Coils

Taiwan's Ministry of Environment issued guidance on March 4, 2026, clarifying safe-use and ventilation requirements for mosquito coils and liquid repellents. This highlights a regulatory focus on indoor air quality and consumer safety, underscoring the importance of robust labeling and clear instructions for biocidal products.

9 Mar 2026, 17:31enews.moenv.gov.twTaiwan

EU Notifies Revised Draft MRLs for Alpha-Cypermethrin and Cypermethrin

The EU has notified a revised draft regulation to lower Maximum Residue Levels (MRLs) for alpha-cypermethrin and cypermethrin, with comments due by 1 May 2026. Food producers and exporters must evaluate compliance with stricter residue limits and new separate substance reporting to mitigate market access risks.

9 Mar 2026, 14:30eping.wto.orgEuropean Union

EU Commission Repeals Etofenprox Biocidal Approval Postponements (Implementing Decision (EU) 2026/379)

The European Commission has formally repealed the approval extensions for the biocidal active substance etofenprox (PT 8 and 18) following the withdrawal of renewal applications by the applicant. Businesses must now transition away from etofenprox-based wood preservatives and insecticides in the EU market, as the substance will no longer benefit from postponed expiry dates.

26 Feb 2026, 13:01eur-lex.europa.euEuropean Union

Northern Ireland: HSE Highlights EU BPR Deadlines For Selected Biocidal Active Substances

Approaching EU BPR deadlines in Northern Ireland require active substance renewal submissions by August 2026 and product authorisations by February 2027. Impacted companies must secure these approvals to prevent the mandatory withdrawal of disinfectants, insecticides, and treated articles from the market.

23 Feb 2026, 19:53content.govdelivery.comUnited KingdomEuropean Union

Netherlands: State Secretary Grants Temporary K-Othrine SC7.5 Exemption for Bluetongue Vector Control under the Biocidal Products Regulation

The Netherlands has granted a temporary emergency exemption for the biocidal product K-Othrine SC7.5 to combat bluetongue vectors through June 2026. Affected operators must ensure strict adherence to application protocols and residue limits to mitigate compliance risks while awaiting a permanent authorization decision.

23 Feb 2026, 13:55zoek.officielebekendmakingen.nlNetherlands

EU Commission Implementing Decision Postpones Expiry of Permethrin Approval for Biocidal Product-Types 8 and 18

The EU has extended the approval of permethrin for wood preservatives and insecticides (PT 8 and 18) until October 2028. This administrative extension ensures continued market access for existing biocidal products while regulatory authorities complete a comprehensive safety and efficacy re-evaluation.

17 Feb 2026, 11:32eur-lex.europa.euEuropean Union

Commission Implementing Decision C(2026)821 Postpones Expiry of Alpha‑Cypermethrin Approval for Biocidal Product‑Type 18

The EU has extended the approval of alpha-cypermethrin for biocidal product-type 18 (insecticides) until 31 December 2028 to allow for a full renewal evaluation. This extension provides market stability for manufacturers, ensuring continued availability of existing products while the long-term regulatory status is finalized.

17 Feb 2026, 11:19eur-lex.europa.euEuropean Union

US EPA Issues Cancellation Order for Certain Pesticide Product Registrations

The US EPA has finalized the cancellation of numerous pesticide registrations effective February 2026, following voluntary requests from registrants. Impacted firms must navigate strict 12-to-18-month windows for domestic stock clearance before distribution is restricted to export or disposal.

12 Feb 2026, 14:33public-inspection.federalregister.govUnited States