Version 3.9 of PQR, the European & Mediterranean Plant Protection Organization (EPPO)'s Plant Quarantine Data Retrieval System, has been released. The PQR database contains "information on geographical distribution, host plants, scientific and common names of quarantine pests listed by EPPO and the European Union. Data on pests of quarantine interest to other Regional Plant Protection Organizations (RPPOs)" are also included. PQR version 3.9 (.zip format) can be downloaded freely at the EPPO site.