Insect Biocontrol with Non-endemic Entomopathogenic Nematodes (Steinernema and Heterorhabditis spp.): Conclusions and Recommendations of a Combined OECD and COST Workshop on Scientific and Regulatory Policy Issues

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Abstract
Fifteen invited experts from 10 Organisation for Economic Cooperation and Development (OECD) and European countries participating in the European Commission's Cooperation in the Field of Science and Technical Research (COST) Action 819, along with 12 other participants, met to review and debate the potential problems associated with the introduction and commercial use of non-indigenous nematodes for insect biological control. The consensus view of the participants was that entomopathogenic nematodes (EPNs) possess specific biological and ecological features, which make their use in biological control exceptionally safe. All the scientific evidence available supports the conclusion that EPNs are safe to the environment, as well as to production and application personnel, the general public and the consumers of agricultural products treated with them. Only a few potential, but very remote, risks could be identified. Therefore, it was recommended that EPNs should not be subject to any kind of registration. The introduction of non-indigenous nematode species, however, should be regulated. Species should be accurately identified, and details of the origin, known distribution, probable host range and safety to the user must be provided. In addition, an expert opinion, based on available information, of the possible impact on non-target organisms must be available.