Scientific Opinion on the pest categorisation of Paysandisia archon (Burmeister)
The Panel on Plant Health performed a pest categorisation of Paysandisia archonfor the European Union territory. P. archon is a well-defined pest species attacking many palm species. It is currently present in several southern European Member States (Croatia, Cyprus, France, Greece, Italy, Slovenia and Spain). Malta and Portugal are considered to be very important areas for further spread of the pest. The pest is listed in Annex IIAII of Council Directive 2000/29/EC and special requirements for host plants with respect to P. archonare formulated in Annexes IVAI and IVAII of Council Directive 2000/29/EC. This moth is a strong flier, but its main pathway of spread is via ornamental palms traded from outside the European Union and between Member States. Wherever its hosts are present outdoors in southern Europe, P. archon has the potential to establish. Although P. archon can complete its development in protected cultivation and in private/public indoor plant collections, there is no evidence of establishment. The damage produced by the larvae can cause the death of the plant with consequences for cultivated and native palm trees, and therefore on ecosystem services and biodiversity. At the moment no fully effective chemical or biological control methods are available against spread and impact of P. archon, while the use of glues on the stipe of the palm can be effective but affects the ornamental value of the plant. P. archon meets all pest categorisation criteria for both quarantine pests and regulated non-quarantine pests.
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