Seasonal prevalence and species composition of Liriomyza sativae Blanchard, L. trifolii (Burgess), and L. bryoniae (Kaltenbach) (Diptera: Agromyzidae) in Kyoto Prefecture

Tokumaru, Susumu; Ando, Yasuhiko; Kurita, Hideki; Hayashida, Yoshikimi; Ishiyama, M.; Abe, Yoshihisa

doi:10.1303/aez.2007.317

Cited by 16 publications

(7 citation statements)

References 12 publications

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“…The simultaneous occurrence of four different species in the same region with overlapping hosts reinforces the need for proper species identification. Furthermore, a high reproductive potential, interspecific gene flow and reproductive interference among leafminer species and strains favours a dynamic scenario of potentially fast changes in strain and species composition in the area (Tokumaru & Abe, ; Tokumaru et al ., ; Gao et al ., ).…”

Section: Discussionmentioning

confidence: 99%

Host range and genetic strains of leafminer flies (Diptera: Agromyzidae) in eastern Brazil reveal a new divergent clade ofLiriomyza sativae

et al. 2016

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1 Leafminer flies are phytophagous and cosmopolitan pests. Leafminer fly outbreaks and damage to cultivated plants have steadily increased in several regions in the world. 2 In the present study, we report host range, geographical distribution, Wolbachia infection and mitochondrial strains of leafminer fly species from eastern Brazil. 3 Four leaf miner fly species were identified using cytochrome c oxidase subunit I DNA barcoding. Liriomyza sativae is the main pest as a result of its high polyphagy and wide distribution. Liriomyza brassicae, Liriomyza huidobrensis and Calycomyza malvae are important in Brassicaceae, Curcubitaceae and Malvaceae crops, respectively. 4 There is no relationship among host range, geographical distribution and mitochondrial strains of leafminer fly species. We did not find Wolbachia infection in any of the specimens collected. 5 Phylogeographical analyses suggests that there are four strains of L. sativae in the world, one of which is endemic from Brazil. The lack of shared haplotypes between Brazilian specimens and those from other world regions indicates the absence of recent gene flow of leafminer flies from Brazil with specimens from Americas and Old world. The exception is L. brassicae, which exhibits one haplotype shared among Brazil, Philippines and Sri Lanka. 6 The host range identification and geographical isolation of leafminer fly species from Brazil comprise useful information for quarantine and pest management purposes.

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Section: Discussionmentioning

confidence: 99%

Host range and genetic strains of leafminer flies (Diptera: Agromyzidae) in eastern Brazil reveal a new divergent clade ofLiriomyza sativae

et al. 2016

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“…Interestingly, the parasitism of L. trifolii by D. nipponica could not be completely understood by simply measuring the emergence rate of adult parasitoids, which is often expressed as the percentage parasitism. Our results may also apply to L. sativae and L. bryoniae (Kaltenbach), which are currently replacing L. trifolii in greenhouses in western Japan (Tokumaru et al, 2007). Liriomyza sativae would also likely be unsuitable for D. nipponica, because its body size is similar to that of L. trifolii (Table 3).…”

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confidence: 83%

Differences in growth and development of the parasitoids Dacnusa nipponica and D. sibirica (Hymenoptera: Braconidae) on the leaf-mining fly Liriomyza trifolii (Diptera: Agromyzidae) compared to various-sized leaf-mining Chromatomyia horticola hosts (Diptera: Agromyzidae)

Kandori

Yoshio

Hondo

et al. 2008

Appl. Entomol. Zool.

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The indigenous endoparasitic koinobiont Dacnusa nipponica is considered a potential parasitoid of the exotic leafmining fly Liriomyza trifolii in Japan. However, this endoparasitoid rarely emerges from L. trifolii pupae collected in the field. To determine why, we compared the parasitization, growth, and development of D. nipponica and the introduced parasitoid, D. sibirica, on L. trifolii hosts. When each parasitoid was only provided L. trifolii as a host, D. nipponica exhibited a slightly lower parasitization rate (confirmed by dissecting hosts, 34.7%) than D. sibirica (42.2%). However, the survival rate of parasitoid progeny within hosts was much lower for D. nipponica (7.2%) than for D. sibirica (69.4%), which was caused by the developmental arrest or death of D. nipponica at the prepupal stage within L. trifolii pupae. Furthermore, the survival rate of parasitoid progeny within hosts was much lower for D. nipponica (13.3%) than for D. sibirica (82.6%) when both parasitoids were allowed to parasitize artificially dwarfed individuals of Chromatomyia horticola, which is naturally much larger than L. trifolii and is a suitable host for both parasitoid species. The survival rate of progeny was lower for both D. nipponica and D. sibirica within smaller individuals of dwarfed C. horticola pupae. These results suggest that L. trifolii is large enough to host the growth and development of D. sibirica but too small for successful parasitization by D. nipponica.

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“…This happened in the United States when L. trifolii displaced L. sativae (Trumble and Nakakihara, 1983). Displacement may also occur between invasive species, as in Japan, where L. sativae and L. trifolii were both invasive species but, since 2000, L. sativae has become dominant and L. trifolii rare (Tokumaru et al, 2007) or in China, where L. sativae invaded first and has recently been replaced by L. trifolii (Gao et al, 2011). However, such shifts are not stable (Tokumaru et al, 2007) and environmental adverse effects in food webs due to the displacement of these species have not been reported.…”

Section: Environmental Consequencesmentioning

confidence: 99%

“…Displacement may also occur between invasive species, as in Japan, where L. sativae and L. trifolii were both invasive species but, since 2000, L. sativae has become dominant and L. trifolii rare (Tokumaru et al, 2007) or in China, where L. sativae invaded first and has recently been replaced by L. trifolii (Gao et al, 2011). However, such shifts are not stable (Tokumaru et al, 2007) and environmental adverse effects in food webs due to the displacement of these species have not been reported. The environmental impact of such displacements is considered to be minor as it concerns species that have the same or very similar ecological niches.…”

Section: Environmental Consequencesmentioning

confidence: 99%

Scientific Opinion on the risks to plant health posed by Liriomyza huidobrensis (Blanchard) and Liriomyza trifolii (Burgess) in the EU territory, with the identification and evaluation of risk reduction options

Rossi¹

2012

EFS2

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Suggested citation: EFSA Panel on Plant Health (PLH); Scientific Opinion on the risks to plant health posed by Liriomyza huidobrensis (Blanchard) and Liriomyza trifolii (Burgess) to the EU territory with the identification and evaluation of risk reduction options. EFSA Journal 2012;10(12):3028. [190 pp.] ABSTRACTThe Panel on Plant Health conducted a pest risk assessment for Liriomyza huidobrensis and Liriomyza trifolii in the European Union and identified and evaluated the phytosanitary measures listed in Council Directive 2000/29/EC. Entry on the principal pathways (plants for planting, cut flowers and leafy vegetables) is assessed as likely as the pests are regularly associated with the pathways at origin, survival during transport or storage is high and only partially affected by current pest management procedures, and transfer to a suitable host is likely as their hosts are so widespread. Establishment is rated as very likely because both species have established populations in most countries of the EU, with transient populations occurring outdoors in non-Mediterranean areas. Spread within the EU is considered to be likely because the pests can readily be moved with plant material. The magnitude of the potential consequences is rated as minor for both species in Mediterranean areas. In non-Mediterranean countries it is moderate for both species in protected crops but, outdoors, impacts are minor for L. huidobrensis and minimal for L. trifolii. The current regulations to prevent entry and spread were found to be only partially effective as interceptions are still being made, cut branches with foliage and leafy vegetables other than celery are excluded, and the methods for inspection and the treatments required to confirm pest free areas, places of production and consignments are not clearly specified. Removal of the legislation would have some advantages and disadvantages but may not have a major effect. The regulations could be tightened by including additional commodities, clearly prescribing the inspection procedures and the appropriate treatments to be used and combining these with other measures, e.g. screening. The application of protected zones to areas where the pests are not yet present can be applied to help prevent further spread. SUMMARYFollowing a request from the European Commission, the EFSA Panel on Plant Health was asked to deliver a scientific opinion on the pest risk of Liriomyza huidobrensis and Liriomyza trifolii for the European Union territory and to identify risk management options and evaluate their effectiveness in reducing the risk to plant health posed by the organisms. In particular, the Panel was asked to provide an opinion on the effectiveness of the current EU requirements against these organisms, which are laid down in Council Directive 2000/29/EC, in reducing the risk of introduction of these pests into, and their spread within, the EU territory.The Panel conducted the pest risk assessment following the general principles of the -Guidance on a harmonized framework for pe...

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Seasonal prevalence and species composition of Liriomyza sativae Blanchard, L. trifolii (Burgess), and L. bryoniae (Kaltenbach) (Diptera: Agromyzidae) in Kyoto Prefecture

Cited by 16 publications

References 12 publications

Host range and genetic strains of leafminer flies (Diptera: Agromyzidae) in eastern Brazil reveal a new divergent clade ofLiriomyza sativae

Host range and genetic strains of leafminer flies (Diptera: Agromyzidae) in eastern Brazil reveal a new divergent clade ofLiriomyza sativae

Differences in growth and development of the parasitoids Dacnusa nipponica and D. sibirica (Hymenoptera: Braconidae) on the leaf-mining fly Liriomyza trifolii (Diptera: Agromyzidae) compared to various-sized leaf-mining Chromatomyia horticola hosts (Diptera: Agromyzidae)

Scientific Opinion on the risks to plant health posed by Liriomyza huidobrensis (Blanchard) and Liriomyza trifolii (Burgess) in the EU territory, with the identification and evaluation of risk reduction options

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