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Pest risk analyses

Read more about Defra's approach to Pest risk analysis.

We welcome views and comments on the PRAs. In submitting any comments you may wish to focus on the summary, key uncertainties and conclusion sections of the risk assessment and to consider the following:

  • Are any factual corrections required?
  • Your view on the appropriateness of the suggested proposals for future actions?
  • Can you provide any additional information (or links to other sources of information) that may help address uncertainty identified in the assessment/management measures?
  • Are there any risks that have not been adequately considered?
  • Have you reviewed the risk assessment and consider that you have nothing further to add?

Any comments should be sent by the date specified, in writing to:

The Risk and Horizon Scanning team,
the Department for Environment,
Food and Rural Affairs,
Room 11G31,
Sand Hutton,
YO41 1LZ.

or by email to

Comments received will not be attributed to individuals without permission in any published summary, but may have to be released if a request is received under the Environmental Information Regulations.

Only PRAs currently published for review are displayed on this page. A list of all pests for which a PRA is available can be accessed via the plant health portal search facility along with the current list of pests for which development of a PRA is considered a priority following addition to the risk register.  PRAs for specific pests are also accessible via their individual entry on the plant health risk register.  

PRAs currently under review:

Pest Name Cover Letter/ Explanatory Note  Pest Risk Analysis Comment by
Tomato mottle mosaic virus Cover letter PRA 28th June 2023   
Corythucha ciliata Cover letter PRA 28th June 2023
Lycorma delicatula Cover letter PRA 28th June 2023








We are also seeking views on a future policy approach for solanaceous pospiviroids (Citrus exocortis viroid, Columnea latent viroid, Pepper chat fruit viroid and Tomato planta macho viroid), taking account of conclusions from the EFSA (European Food Safety Authority) opinion.

Pest Name

Cover Letter


 Comment by

Citrus exocortis viroid, Columnea latent viroid, Pepper chat fruit viroid and Tomato planta macho viroid                                                        


Cover letter                                                            

EFSA opinion summary                                                  

28th June 2023                                   

Latest Pest Risk Analyses