Phyllophaga spp




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EUROPEAN AND MEDITERRANEAN PLANT PROTECTION ORGANIZATION

05-12094
Phyllophaga spp.


Extracts of reports of EPPO Meetings
As mentioned on the introductory section of the Web page on PRA documents, PRA documents are working documents which have usually been produced by an assessor whose opinion may have been commented during Panel meetings and comments have usually not been included in the PRA documents but are found in Panel meeting reports. This document consists of extracts of EPPO Meetings’ discussions on Pest Risk Analysis documents on the relevant pest. Discussions on Pest Specific Phytosanitary Requirements (PSPR)1, have also been reported when relevant as they include elements on possible risk management options.

33rd Meeting of the Panel on Phytosanitary Measures (Paris, OIE, 2001-01-23/26)


  1. Potential EPPO quarantine pests

    1. Candidates from the Panel on European Phytosanitary Measures for Potato

8.5.11 Phyllophaga spp. (00/7909)


Dr Smith (Chairman) reported that there were a number of North American Phyllophaga (white grubs), and that it was difficult to single out any as particularly important. These pests were very similar to the white grubs of Europe (Melolontha spp.). Other continents had considered these European Melolontha spp as quarantine pests, but it was based on the assumption that there was a risk of spread. He was not sure whether this was justified in this case. Mr Pemberton thought that information was sufficient to adopt a precautionary approach to avoid more pest problems. Furthermore, these were among the most destructive soil insects in North America. Mr Unger proposed that general measures on possible pathways could also cover this case. Dr Smith (Chairman) concluded that the decision would depend on the decision of the Panel on European Phytosanitary Measures for Potato regarding the pests to include in the commodity-standard.
Mr Unger asked for clarification on the fact that, in the past, no further study was required for pests on a pathway if this was blocked because of another pest. He thought that considering a number of pests would be a better approach. Mr Pemberton noted that, in the cases mentioned above, horizontal measures would be a security, but that a good basis was needed to ensure that the measures were required and enforced. Dr Smith (Chairman) agreed but thought that the decision should be taken on a case-by-case basis.

6th meeting of the Panel on European Phytosanitary Measures for Potato (Bratislava, Slovakia, 2001-02-20/22)



4. Draft commodity standard

    1. Candidates quarantine pests of potato

Phyllophaga spp.: the Secretariat had assembled information on the Phyllophaga species which are important in North America. The Panel on Phytosanitary Measures was not clear whether any particular species was important enough as a potato pest to be specifically mentioned. Mrs Müller said that the risk was similar to that of Blitopertha orientalis and that plants for planting were a pathway; she supported categorization as quarantine pests. Mr Smith (Chairman) noted that Phyllophaga spp. had a very wide host range and were not particularly damaging on potato. Mr Pemberton said that their polyphagous nature supported general measures. However, specific species should be identified as candidates for listing. The Secretariat should seek further information for the next meeting.

The Secretariat should check which Phyllophaga spp. could be pests of potato, and whether there had been any spread.



1 formerly called Specific Quarantine Requirements (SQR)

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