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Pest Categorisation of Non‐ SCIENTIFIC OPINION ADOPTED: 28 March 2019 doi: 10.2903/j.efsa.2019.5671 Pest categorisation of non-EU Choristoneura spp. EFSA Panel on Plant Health (EFSA PLH Panel), Claude Bragard, Katharina Dehnen-Schmutz, Francesco Di Serio, Paolo Gonthier, Marie-Agnes Jacques, Josep Anton Jaques Miret, Annemarie Fejer Justesen, Alan MacLeod, Christer Sven Magnusson, Juan A Navas-Cortes, Stephen Parnell, Roel Potting, Philippe Lucien Reignault, Hans-Hermann Thulke, Wopke Van der Werf, Antonio Vicent Civera, Jonathan Yuen, Lucia Zappala, Jean-Claude Gregoire, Virag Kertesz and Panagiotis Milonas Abstract The Panel on Plant Health performed a pest categorisation of non-EU Choristoneura spp. Choristoneura is a well-defined insect genus in the family Tortricidae (Insecta: Lepidoptera). Species can be identified using taxonomic keys and molecular methods. The genus includes 52 species and subspecies colonising conifers and non-conifer trees in many areas in the world, among which five species are present in the EU. The non-EU species are listed in Annex IAI of Council Directive 2000/29/EC as Choristoneura spp. (non-European). Some Choristoneura species are important defoliators in North America, mainly on conifers but also on several broadleaf tree species and on non-forest crops. Females lay eggs in batches on the needles or the leaves, and overwintering occurs at the larval stage in a silken hibernaculum. Most species are univoltine, some are bivoltine and at least one subspecies has a 2-year life cycle. Pupation occurs on the twigs of conifers or in folded leaves of broadleaf trees. The adults are strong flyers, and the larvae can disperse by ballooning. The main pathways for entry are plants for planting, cut branches, fruits of host plants (including cones), round wood with bark and bark. Suitable host plants and climate would allow the establishment in the EU of the known, North American harmful species. Non-EU Choristoneura spp. satisfy all the criteria to be considered as Union quarantine pests. Measures are in place to prevent the introduction of non-EU Choristoneura spp. through the pathways described above. As non-EU Choristoneura spp. are not present in the EU and plants for planting are not the major pathway for spread, non-EU Choristoneura spp. do not meet the criteria to be considered as regulated non-quarantine pests. © 2019 European Food Safety Authority. EFSA Journal published by John Wiley and Sons Ltd on behalf of European Food Safety Authority. Keywords: Conifers, European Union, pest risk, plant health, plant pest, quarantine, spruce budworm complex Requestor: European Commission Question number: EFSA-Q-2018-00044 Correspondence: [email protected] www.efsa.europa.eu/efsajournal EFSA Journal 2019;17(5):5671 Non-EU Choristoneura spp.: Pest categorisation Panel members: Claude Bragard, Katharina Dehnen-Schmutz, Francesco Di Serio, Paolo Gonthier, Marie-Agnes Jacques, Josep Anton Jaques Miret, Annemarie Fejer Justesen, Alan MacLeod, Christer Sven Magnusson, Panagiotis Milonas, Juan A Navas-Cortes, Stephen Parnell, Roel Potting, Philippe L Reignault, Hans-Hermann Thulke, Wopke Van der Werf, Antonio Vicent, Jonathan Yuen, Lucia Zappala. Acknowledgements: The Panel wishes to acknowledge all European competent institutions, Member State bodies and other organisations that provided data for this scientific output. Suggested citation: EFSA PLH Panel (EFSA Plant Health Panel), Bragard C, Dehnen-Schmutz K, Di Serio F, Gonthier P, Jacques M-A, Jaques Miret JA, Fejer Justesen A, MacLeod A, Magnusson CS, Navas-Cortes JA, Parnell S, Potting R, Reignault PL, Thulke H-H, Van der Werf W, Vicent Civera A, Yuen J, ZappalaL,Gr egoire J-C, Kertesz V and Milonas P, 2019. Scientific Opinion on the pest categorisation of non-EU Choristoneura spp. EFSA Journal 2019;17(5):5671, 31 pp. https://doi.org/10. 2903/j.efsa.2019.5671 ISSN: 1831-4732 © 2019 European Food Safety Authority. EFSA Journal published by John Wiley and Sons Ltd on behalf of European Food Safety Authority. This is an open access article under the terms of the Creative Commons Attribution-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited and no modifications or adaptations are made. Reproduction of the images listed below is prohibited and permission must be sought directly from the copyright holder: Figure 1: © USDA Forest Service – Northeastern Area, Bugwood.org; Figure 2: © Steven Katovich, USDA Forest Service, Bugwood.org; Figure 3: © Bernard J Raimo, USDA Forest Service, Bugwood.org; Figure 4: © William M Ciesla, Forest Health Management International, Bugwood.org; Figure 5: © 2017 Elsevier Inc; Figures 6-7: © EPPO; Figure 8: © Moth Photographers Group; Figure 9: European Environment Agency, European Commission The EFSA Journal is a publication of the European Food Safety Authority, an agency of the European Union. www.efsa.europa.eu/efsajournal 2 EFSA Journal 2019;17(5):5671 Non-EU Choristoneura spp.: Pest categorisation Table of contents Abstract................................................................................................................................................... 1 1. Introduction................................................................................................................................4 1.1. Background and Terms of Reference as provided by the requestor.................................................. 4 1.1.1. Background ................................................................................................................................4 1.1.2. Terms of reference ...................................................................................................................... 4 1.1.2.1. Terms of Reference: Appendix 1................................................................................................... 5 1.1.2.2. Terms of Reference: Appendix 2................................................................................................... 6 1.1.2.3. Terms of Reference: Appendix 3................................................................................................... 7 1.2. Interpretation of the Terms of Reference....................................................................................... 8 2. Data and methodologies .............................................................................................................. 8 2.1. Data........................................................................................................................................... 8 2.1.1. Literature search ......................................................................................................................... 8 2.1.2. Database search ......................................................................................................................... 8 2.2. Methodologies............................................................................................................................. 8 3. Pest categorisation ...................................................................................................................... 10 3.1. Identity and biology of the pest.................................................................................................... 10 3.1.1. Identity and taxonomy................................................................................................................. 10 3.1.2. Biology of the pest ...................................................................................................................... 11 3.1.3. Intraspecific diversity................................................................................................................... 13 3.1.4. Detection and identification of the pest......................................................................................... 13 3.2. Pest distribution .......................................................................................................................... 14 3.2.1. Pest distribution outside the EU.................................................................................................... 14 3.2.2. Pest distribution in the EU............................................................................................................ 16 3.3. Regulatory status ........................................................................................................................ 16 3.3.1. Council Directive 2000/29/EC ....................................................................................................... 16 3.3.2. Legislation addressing the hosts of Choristoneura spp.................................................................... 17 3.4. Entry, establishment and spread in the EU .................................................................................... 17 3.4.1. Host range.................................................................................................................................. 17 3.4.2. Entry .......................................................................................................................................... 17 3.4.3. Establishment ............................................................................................................................. 18 3.4.3.1. EU distribution of main host plants ............................................................................................... 18 3.4.3.2. Climatic conditions affecting establishment...................................................................................
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