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American Serpentine Leaf Miner CP Liriomyza trifolii Contingency Plan Prepared for Horticulture Innovation Australia, as part of Project MT16004 (RD&E program for control, eradication and preparedness for vegetable leafminer) Rohan Burgess 1, Dr. Peter Ridland 2, Dr. Elia Pirtle 3 1 Plant Health Australia 2 The University of Melbourne 3 Cesar Australia December 7, 2020 This resource has been funded by Horticulture Innovation, through the Project MT16004 (RD&E program for control, eradication and preparedness for vegetable leafminer), using multiple research and development levies and contributions from the Australian Government. Hort Innovation is the grower-owned, not-for-profit research and development corporation for Australian horticulture. AMERICAN SERPENTINE LEAFMINER CONTINGENCY PLAN CONTINGENCY PLAN AMERICAN SERPENTINE LEAFMINER (LIRIOMYZA TRIFOLII) Central Science Laboratory, Harpenden, British Crown, Central Science Laboratory, Harpenden, British Crown, Bugwood.org Bugwood.org December 2020 This resource has been funded by Horticulture Innovation, through the Project MT16004 (RD&E program for control, eradication and preparedness for vegetable leafminer), using multiple research and development levies and contributions from the Australian Government. Hort Innovation is the grower-owned, not-for-profit research and development corporation for Australian horticulture. AMERICAN SERPENTINE LEAFMINER CONTINGENCY PLAN This Contingency Plan has been authored by Rohan Burgess (Plant Health Australia), Dr. Peter Ridland (The University of Melbourne) and Dr. Elia Pirtle (Cesar Australia), with contributions from Dr. Sharyn Taylor (Plant Health Australia), Dr. James Maino (Cesar Australia), and Dr. Paul Umina (Cesar Australia). Disclaimer The scientific and technical content of this document is current to the date published and all efforts have been made to obtain relevant and published information on these pests. New information will be included as it becomes available, or when the document is reviewed. The material contained in this publication is produced for general information only. It is not intended as professional advice on any particular matter. No person should act or fail to act on the basis of any material contained in this publication without first obtaining specific, independent professional advice. Plant Health Australia and all persons acting for Plant Health Australia in preparing this publication, expressly disclaim all and any liability to any persons in respect of anything done by any such person in reliance, whether in whole or in part, on this publication. The views expressed in this publication are not necessarily those of Plant Health Australia. Further information For further information regarding this contingency plan, contact Plant Health Australia through the details below. Address: Level 1, 1 Phipps Close DEAKIN ACT 2600 Phone: +61 2 6215 7700 Fax: +61 2 6260 4321 Email: [email protected] Website: www.planthealthaustralia.com.au An electronic copy of this plan is available from the web site listed above. © Plant Health Australia Limited 2020 Copyright in this publication is owned by Plant Health Australia Limited, except when content has been provided by other contributors, in which case copyright may be owned by another person. With the exception of any material protected by a trade mark, this publication is licensed under a Creative Commons Attribution-No Derivs 3.0 Australia licence. Any use of this publication, other than as authorised under this licence or copyright law, is prohibited. http://creativecommons.org/licenses/by-nd/3.0/ - This details the relevant licence conditions, including the full legal code. This licence allows for redistribution, commercial and non-commercial, as long as it is passed along unchanged and in whole, with credit to Plant Health Australia (as below). In referencing this document, the preferred citation is: Plant Health Australia Limited (Version 1, 2020) Contingency Plan for American Serpentine Leafminer (Liriomyza trifolii). AMERICAN SERPENTINE LEAFMINER CONTINGENCY PLAN 1. Purpose and background of this contingency plan ........................................................................... 6 2. Pest details ................................................................................................................................................... 7 2.1 Background and impact of pest ........................................................................................................... 7 2.2 Life cycle .................................................................................................................................................. 7 2.3 Host range ............................................................................................................................................... 8 2.4 Signs and symptoms .............................................................................................................................. 8 2.5 Dispersal ............................................................................................................................................... 10 2.6 Current geographic distribution ........................................................................................................ 10 2.7 Risk of establishment in Australia ..................................................................................................... 14 2.8 Risk of spread within Australia........................................................................................................... 15 2.8.1 Risk pathways – international and domestic ............................................................................... 15 2.8.2 Predicting spread potential ........................................................................................................... 19 2.9 Risk of economic impact within Australia .......................................................................................... 20 3. Diagnostic information .......................................................................................................................... 23 3.1 Diagnostic considerations .................................................................................................................... 23 4. Surveillance and collection of samples .............................................................................................. 25 4.1 Surveillance ............................................................................................................................................ 25 4.1.1 Technical information for planning surveys................................................................................. 25 4.1.2 Delimiting surveys in the event of an incursion into new areas ................................................ 28 4.1.3 Activities for general surveillance immediately following a detection ..................................... 30 4.2 Collection and treatment of samples ................................................................................................. 30 4.2.1 If collecting for morphological diagnosis .................................................................................... 30 4.2.2 If collecting for molecular diagnosis............................................................................................. 31 5. Immediate response to detection ....................................................................................................... 34 5.1 Tracing .................................................................................................................................................. 34 5.2 Quarantine and movement controls ................................................................................................. 34 5.3 Destruction strategy ............................................................................................................................ 34 5.3.1 Priorities and considerations ......................................................................................................... 34 5.3.2 Decontamination of tools and equipment .................................................................................. 35 5.3.3 Chemical control ............................................................................................................................. 35 5.3.4 Physical control options ................................................................................................................. 40 5.3.5 Biological control ............................................................................................................................ 40 5.4 Decision support for eradication ......................................................................................................... 41 6. Emergency Plant Pest Response Deed and PLANTPLAN ............................................................... 46 6.1 Emergency Plant Pest Response Deed ............................................................................................. 46 6.2 PLANTPLAN .......................................................................................................................................... 47 7. References ................................................................................................................................................. 48 8. Appendices ..............................................................................................................................................
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