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• Banned and restricted herbal ingredients
  • Updated: 18 December 2014
• Managing oak processionary moth in England

  Information on oak processionary moth (OPM) for those who own or manage oak trees, including private tree and woodland owners as well as local authorities.

  • Updated: 31 January 2026
• Phytosanitary treatment of oak processionary moth

  Legislation title: Guidance on the application of Plant Protection Products (PPPs) for phytosanitary treatment of oak processionary moth (OPM).

  • Updated: 15 December 2023
• Oak processionary moth: Plan and manage risks

  How to plan for and manage the risks associated with oak processionary moth (OPM) on oak trees on your land.

  • Updated: 26 April 2024
• Integrated control of vector-borne diseases of livestock – pyrethroids: panacea or poison?
  • Updated: 1 January 2003
• Oak processionary moth (OPM): health effects of exposure

  Systematic review of the evidence around the health effects associated with exposure to setae of OPM larvae and a summary of the findings.

  • Updated: 31 May 2015
• Warning on oak processionary moth issued ahead of hatching season

  Public and construction trade vigilance needed as oak processionary moth (OPM) growth higher at start of greatest risk period

  • Updated: 28 May 2025
• Decision on The Ivy Hotel Collection Ltd
  • Updated: 9 July 2025
• Non-infectious environmental hazard examples: migrant health guide

  Advice and guidance on the health needs of migrant patients for healthcare practitioners.

  • Updated: 31 July 2014
• Bracken poisoning in pigs

  Guidance for vets from the APHA pig expert group.

  • Updated: 1 February 2018