09-15078 rev FORMAT FOR A PRA RECORD (version 3 of the Decision support scheme for PRA for quarantine pests) European and Mediterranean Plant Protection Organisation Organisation Européenne et Méditerranéenne pour la Protection des Plantes Guidelines on Pest Risk Analysis Lignes directrices pour l'analyse du risque phytosanitaire Decision-support scheme for quarantine pests Version N°3 PEST RISK ANALYSIS FOR LYSICHITON AMERICANUS HULTÉN & ST. JOHN (ARACEAE) Pest risk analyst: Revised by the EPPO ad hoc Panel on Invasive Alien Species Stage 1: Initiation The EWG was held on 2009-03-25/27, and was composed of the following experts: - Ms Beate Alberternst, Projektgruppe Biodiversität und Landschaftsökologie (
[email protected]) - M. Serge Buholzer, Federal Department of Economic Affairs DEA (
[email protected]) - M. Manuel Angel Duenas, CEH Wallingford (
[email protected]) - M. Guillaume Fried, LNPV Station de Montpellier, SupAgro (
[email protected]), - M. Jonathan Newman, CEH Wallingford (
[email protected]), - Ms Gritta Schrader, Julius Kühn Institut (JKI) (
[email protected]), - M. Ludwig Triest, Algemene Plantkunde en Natuurbeheer (APNA) (
[email protected]) - M. Johan van Valkenburg, Plant Protection Service (
[email protected]) 1 What is the reason for performing the Lysichiton americanus originates from the pacific coastal zone of Northwest-America PRA? and was imported into the UK at the beginning of the 20th century as a garden ornamental, and has since been sold in many European countries, including southern 1 09-15078 rev countries like Italy. It is now found in 11 European countries. The species has been observed to reduce biodiversity in the Taunus region in Germany.