Many bark and ambrosia beetle species (Coleoptera: Scolytinae and Platypodinae) are known to have spread worldwide in relation to international trade. Concerns have been expressed within the European and Mediterranean Plant Protection Organization (EPPO) about recent introductions of non-indigenous species of these groups. Regulation of the non-coniferous wood trade into many EPPO member countries is currently not sufficient to cover such risks. In 2018-2019, an EPPO study on the risk of bark and ambrosia beetles associated with imported non-coniferous wood was carried out, and the key characteristics contributing to the pest risk from introduced species were determined using expert consensus. This paper summarizes the key findings of the study, which are available in full detail on the EPPO website. The study identified biological and other risk factors and illustrated them with examples from 26 beetle species or groups of species known to be invasive or posing a threat to plant health. These representative species were classified into three categories based on known damage and level of uncertainty. In the present article, factorial discriminant analyses were used to identify features of bark and ambrosia beetle biology associated with damage caused and invasiveness. Based on the information assembled and consideration of the risk factors, it was recommended that in order to prevent the introduction of new bark and ambrosia beetles via non-coniferous wood commodities, horizontal phytosanitary measures should be adopted, irrespective of the host plant species and the origin (i.e., for all genera of non-coniferous woody plants and from all origins). Phytosanitary measures are presented here for various wood commodities.
Global trade of plants and plant products facilitates the international movement of pests. The introduction of new pests in an area may have huge economic consequences for local plant production, and should be avoided. The European Union (EU) imports large quantities of fresh fruit from all over the world, which could be a pathway for exotic pests. This review aimed to identify pests not yet present or regulated in the EU that may enter the territory with the fruit trade and damage fruit production in Europe. Pests of Vaccinium (blueberry), apple, grape, orange and mandarin were screened to assess the likelihood of their being associated with these fruit, their impact, their geographical distribution, whether they are intercepted in trade and whether they are spreading or emerging. They were further ranked to produce alert lists of 30 to 36 pests for each fruit species. These lists are presented as well as other findings on contaminants and newly introduced pests. Datasheets on those pests were prepared and are available as supporting information to this article as well as in the EPPO Global Database (https://gd.eppo.int/). This work within the EU project DROPSA aimed to raise the awareness of importers and regulatory authorities to the potential risk of introducing pests with the fruit trade.
Within the framework of the EU project DROPSA (‘Strategies to develop effective, innovative and practical approaches to protect major European fruit crops from pests and pathogens’), a review on pests (including pathogens) that have fruit species as their host plants was conducted. The focus was on pests that have been introduced into Europe or were found in the fruit trade during the last 10–15 years. Among the 387 recorded pests, the following groups were identified: 1. fruit and vinegar flies, 2. scale insects, 3. fungi, 4. plant viruses, 5. bacteria, 6. pests of unknown risk, 7. tropical fruit pests, 8. pests that had an unexpected change of hosts, 9. fruit pests not likely to be transported on fruit and 10. ‘hitchhikers’ (non‐fruit pests intercepted on fruit/fruit plants, fruit pests intercepted on other commodities than fruit). The large number of pests identified, from different taxonomic groups and origins, shows that fruit are an important pathway for pests, threatening fruit production in Europe.
The EU project ‘DROPSA’ started in 2014 and aims to improve plant health strategies in the fruit sector. The project is being conducted by an international consortium of 26 partners consisting of phytosanitary organizations, companies, research institutes and universities and will last 50 months. Results will be disseminated via conventional publications and will be brought together in the development of risk‐based strategies to prevent the introduction of new fruit pests. This article describes the task related to the preparation of alert lists of pests that may be introduced into Europe with the trade of fruit. Activities of this task include the investigation of pathways of introduction for fruit pests into Europe, the development of alert lists for selected fruit crops and a review of current legislation. A review of introductions, interceptions and outbreaks that occurred during the last 10–15 years was conducted and is summarized, showing the relevance of fruit trade for the international movement of pests. Work has started on the development of alert lists for selected pathways. In this context, important fruit crops (including Malus, Vaccinium, Vitis, Citrus) were selected.
EPPO member countries requested that a study be conducted to identify and better address the risks presented by the trade of plants for planting, which has led to numerous introductions of pests into the EPPO region in recent years. Concerns were raised about the efficacy of the current plant health systems in place in the EPPO region to deal with the risks presented by plants for planting. The EPPO Study on the Risk of Imports of Plants for Planting was launched by the EPPO Council in 2010. The first part of the Study was completed in spring 2012. It was published as EPPO Technical Document 1061 (http://www.eppo.int/QUARANTINE/EPPO_Study_on_Plants_for_planting.pdf). Examples of pest outbreaks in the EPPO region suspected to be caused by international trade of plants for planting were analyzed. This analysis identified characteristics of the pest/crop/trade patterns associated with the risks of importing pests. These characteristics are described as criteria that are intended to be used in a screening process to enable identification of commodities that require an assessment prior to import in the EPPO region. The further elaboration of the screening process is briefly outlined.
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