Pest categorisation of Thecodiplosis japonensis
Abstract The EFSA Panel on Plant Health performed a pest categorisation of Thecodiplosis japonensis (Diptera: Cecidomyiidae) for the EU territory. This species is not included in the EU Commission Implementing Regulation 2019/2072. T. japonensis Uchida & Inouye is a well‐defined species, native...
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| Format: | Article |
| Language: | English |
| Published: |
Wiley
2022-02-01
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| Series: | EFSA Journal |
| Subjects: | |
| Online Access: | https://doi.org/10.2903/j.efsa.2022.7088 |
| _version_ | 1811295206148931584 |
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| author | EFSA Panel on Plant Health (PLH) Claude Bragard Paula Baptista Elisavet Chatzivassiliou Francesco Di Serio Paolo Gonthier Josep Anton Jaques Miret Annemarie Fejer Justesen Christer Sven Magnusson Panagiotis Milonas Juan A Navas‐Cortes Stephen Parnell Roel Potting Philippe Lucien Reignault Emilio Stefani Hans‐Hermann Thulke Wopke Van der Werf Antonio Vicent Civera Jonathan Yuen Lucia Zappalà Jean‐Claude Grégoire Chris Malumphy Virag Kertesz Andrea Maiorano Alan MacLeod |
| author_facet | EFSA Panel on Plant Health (PLH) Claude Bragard Paula Baptista Elisavet Chatzivassiliou Francesco Di Serio Paolo Gonthier Josep Anton Jaques Miret Annemarie Fejer Justesen Christer Sven Magnusson Panagiotis Milonas Juan A Navas‐Cortes Stephen Parnell Roel Potting Philippe Lucien Reignault Emilio Stefani Hans‐Hermann Thulke Wopke Van der Werf Antonio Vicent Civera Jonathan Yuen Lucia Zappalà Jean‐Claude Grégoire Chris Malumphy Virag Kertesz Andrea Maiorano Alan MacLeod |
| author_sort | EFSA Panel on Plant Health (PLH) |
| collection | DOAJ |
| description | Abstract The EFSA Panel on Plant Health performed a pest categorisation of Thecodiplosis japonensis (Diptera: Cecidomyiidae) for the EU territory. This species is not included in the EU Commission Implementing Regulation 2019/2072. T. japonensis Uchida & Inouye is a well‐defined species, native to a large part of Japan, which was introduced to the Republic of Korea and eastern China: Fujian and Shandong. It attacks Pinus densiflora, P. thunbergii and P. luchuensis in Japan; P. densiflora and P. thunbergii in Korea; and P. massoniana in China, and has been observed to attack other two‐needle pine species, including species present in the EU. The pest is univoltine and the adults emerge between May and August. The adults live only for 1 day. Each female oviposits in batches on developing needles. The neonate larvae crawl to the base of the needle fascicle and create a gall in which they feed gregariously by sap sucking. The third‐instar larvae leave the galls in November, overwinter in a cocoon in the soil and pupate at the end of the winter. Degree day models have been developed to predict adult emergence. Survival of overwintering stages is poor below 15°C and above 30°C. The pest can be detected by its symptoms (stunted or dead needles, galls at the base of infected needle fascicles), and identified using morphological characters or the mitochondrial COI gene. T. japonensis is one of the major forest pests in the Republic of Korea, where 1.7 million trees were cut to control it in 2014–2015. It flies uneasily (a few hundred metres) but can be transported in galls on Pinus plants for planting, including artificially dwarfed plants, or with cut branches. Climate matching and host tree distribution suggest that T. japonensis would be able to establish and have an impact in the EU territory. T. japonensis satisfies all the criteria that are within the remit of EFSA to assess for it to be regarded as a potential Union quarantine pest. |
| first_indexed | 2024-04-13T05:29:02Z |
| format | Article |
| id | doaj.art-139dcb2a0fc14460864217227605ca49 |
| institution | Directory Open Access Journal |
| issn | 1831-4732 |
| language | English |
| last_indexed | 2024-04-13T05:29:02Z |
| publishDate | 2022-02-01 |
| publisher | Wiley |
| record_format | Article |
| series | EFSA Journal |
| spelling | doaj.art-139dcb2a0fc14460864217227605ca492022-12-22T03:00:29ZengWileyEFSA Journal1831-47322022-02-01202n/an/a10.2903/j.efsa.2022.7088Pest categorisation of Thecodiplosis japonensisEFSA Panel on Plant Health (PLH)Claude BragardPaula BaptistaElisavet ChatzivassiliouFrancesco Di SerioPaolo GonthierJosep Anton Jaques MiretAnnemarie Fejer JustesenChrister Sven MagnussonPanagiotis MilonasJuan A Navas‐CortesStephen ParnellRoel PottingPhilippe Lucien ReignaultEmilio StefaniHans‐Hermann ThulkeWopke Van der WerfAntonio Vicent CiveraJonathan YuenLucia ZappalàJean‐Claude GrégoireChris MalumphyVirag KerteszAndrea MaioranoAlan MacLeodAbstract The EFSA Panel on Plant Health performed a pest categorisation of Thecodiplosis japonensis (Diptera: Cecidomyiidae) for the EU territory. This species is not included in the EU Commission Implementing Regulation 2019/2072. T. japonensis Uchida & Inouye is a well‐defined species, native to a large part of Japan, which was introduced to the Republic of Korea and eastern China: Fujian and Shandong. It attacks Pinus densiflora, P. thunbergii and P. luchuensis in Japan; P. densiflora and P. thunbergii in Korea; and P. massoniana in China, and has been observed to attack other two‐needle pine species, including species present in the EU. The pest is univoltine and the adults emerge between May and August. The adults live only for 1 day. Each female oviposits in batches on developing needles. The neonate larvae crawl to the base of the needle fascicle and create a gall in which they feed gregariously by sap sucking. The third‐instar larvae leave the galls in November, overwinter in a cocoon in the soil and pupate at the end of the winter. Degree day models have been developed to predict adult emergence. Survival of overwintering stages is poor below 15°C and above 30°C. The pest can be detected by its symptoms (stunted or dead needles, galls at the base of infected needle fascicles), and identified using morphological characters or the mitochondrial COI gene. T. japonensis is one of the major forest pests in the Republic of Korea, where 1.7 million trees were cut to control it in 2014–2015. It flies uneasily (a few hundred metres) but can be transported in galls on Pinus plants for planting, including artificially dwarfed plants, or with cut branches. Climate matching and host tree distribution suggest that T. japonensis would be able to establish and have an impact in the EU territory. T. japonensis satisfies all the criteria that are within the remit of EFSA to assess for it to be regarded as a potential Union quarantine pest.https://doi.org/10.2903/j.efsa.2022.7088pine needle gall midgePinus spp.pest riskplant healthplant pestquarantine |
| spellingShingle | EFSA Panel on Plant Health (PLH) Claude Bragard Paula Baptista Elisavet Chatzivassiliou Francesco Di Serio Paolo Gonthier Josep Anton Jaques Miret Annemarie Fejer Justesen Christer Sven Magnusson Panagiotis Milonas Juan A Navas‐Cortes Stephen Parnell Roel Potting Philippe Lucien Reignault Emilio Stefani Hans‐Hermann Thulke Wopke Van der Werf Antonio Vicent Civera Jonathan Yuen Lucia Zappalà Jean‐Claude Grégoire Chris Malumphy Virag Kertesz Andrea Maiorano Alan MacLeod Pest categorisation of Thecodiplosis japonensis EFSA Journal pine needle gall midge Pinus spp. pest risk plant health plant pest quarantine |
| title | Pest categorisation of Thecodiplosis japonensis |
| title_full | Pest categorisation of Thecodiplosis japonensis |
| title_fullStr | Pest categorisation of Thecodiplosis japonensis |
| title_full_unstemmed | Pest categorisation of Thecodiplosis japonensis |
| title_short | Pest categorisation of Thecodiplosis japonensis |
| title_sort | pest categorisation of thecodiplosis japonensis |
| topic | pine needle gall midge Pinus spp. pest risk plant health plant pest quarantine |
| url | https://doi.org/10.2903/j.efsa.2022.7088 |
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