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PQR - EPPO Plant Quarantine Data Retrieval system

- Version of June 2017 (5.3.5, 2017-06-08) -


PQR is the EPPO database on quarantine pests. As decided by the EPPO Executive Committee in April 2007, it can be downloaded free of charge from this web page. PQR gives access to data on:
  • all the pests of the EPPO A1 and A2 lists and of EU Directive 2000/29
  • pests of the EPPO Alert List
  • plants of the EPPO List of invasive alien plants
  • many other quarantine pests and invasive plants of interest to other regions of the world (data obtained from FAO, CABI or from the RPPOs).

- June 2017 -
How install and use PQR
(User's manual)

For each pest, it is possible to obtain lists of host plants, commodities able to act as pathways in international trade, details of geographical distribution with maps, categorization (quarantine status) and pictures. Conversely, it is also possible to interrogate the database to obtain specific lists of pests, by stipulating the host species, the commodity, and the countries of interest. PQR contains general nomenclatural and taxonomic details on pests and hosts.


PQR screenPQR screen

Example of general information that is provided for a specific pest


Main features of PQR

  • Information is regularly updated: all information collected by the EPPO Secretariat about the geographical distributions, host plants, and categorization of pests is transferred into PQR. In particular, all data published in the EPPO Reporting Service or obtained from CABI maps is added to PQR. Users are informed by email when new updates of PQR are available.
  • Dynamic maps: maps showing the world distribution of a pest (zoomable, printable, downloadable) are available. By double-clicking on a country, you can read more details about the geographical record. When the distribution of a pest changes, the map is automatically updated.
  • Official pest status: when NPPOs have provided an official pest status (in the terms of ISPM 8), it is displayed in a text field.
  • Active links to the EPPO Reporting Service: when a Reporting Service article is quoted to describe the situation of a pest in a given country, the full article can be accessed by clicking on these links.
  • Lists of host plants and lists of geographical distribution can be printed and exported in different formats (Word, Excel, html, pdf, jpeg).
  • Pictures: when available, photos of pests and invasive plants can be viewed in PQR.


PQR MapPQR Pictures

Dynamic maps                                                                          Pictures


PQR Reporting

Active links to the EPPO Reporting Service


What are the differences between PQR and EPPO Global Database?

PQR and EPPO Global Database (GD) share the same data on geographical distributions, host plants, categorizations, pathways, and pictures (data is entered only once by the EPPO Secretariat). The main differences are that PQR and GD use different technologies to access and display the information, and that GD contains more pest-specific documents (e.g. EPPO Standards, Datasheets, PRAs). PQR is a software which has to be installed on PCs, and as a consequence, it can only be updated at regular intervals when new versions are prepared and released by the EPPO Secretariat. EPPO Global Database is a web-based database which is updated in real-time but an Internet connexion is always needed.


How to be informed when new udpates are available?

When installing PQR for the first time, you will be asked to enter your email. When updates are released, a short announcement will be published in the EPPO Reporting Service. Installation and updates are quick and simple to perform (all instructions are included in the user's manual - see above). However, if you encounter difficulties you can contact us:


How to cite PQR?
EPPO (2017) PQR - EPPO database on quarantine pests (available online).