Sonja J. Scheffer, Matthew L. Lewis, Norma Mujica, Charles MacVean, Helga Blanco-Metzler, Ravindra C. Joshi, Frode Jacobsen
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We used phylogeographic analysis of over 2 kb of mitochondrial cytochrome oxidase I and II sequence data from 403 field-collected specimens from both native and introduced populations to investigate the geographic origins of invasive <i>L. huidobrensis</i> worldwide. Within South America, there was substantial genetic variation, as well as the strong phylogeographic structure typical of a native range. In contrast, leafminers from the introduced range and Central America all contained little genetic variation and shared the same small set of haplotypes. These haplotypes trace to Peru as the ultimate geographic origin of invasive populations. Central America is rejected as part of the original geographic range of <i>L. huidobrensis.</i> Within Peru, the primary export region of Lima shared an extremely similar pattern of reduced haplotype variation to the invasive populations. An additional 18 specimens collected at US ports of entry did not share the same haplotype profile as contemporary invasive populations, raising perplexing questions on global pathways and establishment success in this species.</p>","PeriodicalId":168,"journal":{"name":"Evolutionary Applications","volume":"17 10","pages":""},"PeriodicalIF":3.5000,"publicationDate":"2024-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11493104/pdf/","citationCount":"0","resultStr":"{\"title\":\"Peruvian origin and global invasions of five continents by the highly damaging agricultural pest Liriomyza huidobrensis (Diptera: Agromyzidae)\",\"authors\":\"Sonja J. Scheffer, Matthew L. Lewis, Norma Mujica, Charles MacVean, Helga Blanco-Metzler, Ravindra C. 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引用次数: 0
摘要
确定入侵物种的地理起源对于有效管理和改善引入地区的负面影响至关重要。Liriomyza huidobrensis 是一种多食性食叶蝇,是世界各地许多蔬菜和花卉作物的毁灭性害虫。L.huidobrensis被认为原产于南美洲,也可能原产于中美洲,但在20世纪80年代开始入侵,至今已扩散到五大洲至少30个国家。我们对从原生种群和引进种群的 403 个野外采集标本中获得的超过 2 kb 的线粒体细胞色素氧化酶 I 和 II 序列数据进行了系统地理学分析,以研究全球入侵 L. huidobrensis 的地理起源。在南美洲,存在大量遗传变异,以及典型的原生种群的强大系统地理结构。与此相反,来自引进区和中美洲的潜叶蝇几乎没有遗传变异,而且共享同一组小的单倍型。这些单倍型追溯到秘鲁,认为秘鲁是入侵种群的最终地理起源地。中美洲被否定为 L. huidobrensis 原始地理分布的一部分。在秘鲁,主要出口地区利马与入侵种群有着极其相似的单倍型变异减少模式。在美国入境口岸采集的另外 18 个标本与当代入侵种群的单倍型特征不尽相同,这引发了有关该物种的全球路径和建立成功率的令人困惑的问题。
Peruvian origin and global invasions of five continents by the highly damaging agricultural pest Liriomyza huidobrensis (Diptera: Agromyzidae)
Identification of the geographic origin of invasive species can be critical to effective management and amelioration of negative impacts in the introduced range. Liriomyza huidobrensis is a polyphagous leafmining fly that is a devastating pest of many vegetable and floriculture crops around the world. Considered native to South and possibly Central America, L. huidobrensis became invasive in the 1980s and has since spread to at least 30 countries on five continents. We used phylogeographic analysis of over 2 kb of mitochondrial cytochrome oxidase I and II sequence data from 403 field-collected specimens from both native and introduced populations to investigate the geographic origins of invasive L. huidobrensis worldwide. Within South America, there was substantial genetic variation, as well as the strong phylogeographic structure typical of a native range. In contrast, leafminers from the introduced range and Central America all contained little genetic variation and shared the same small set of haplotypes. These haplotypes trace to Peru as the ultimate geographic origin of invasive populations. Central America is rejected as part of the original geographic range of L. huidobrensis. Within Peru, the primary export region of Lima shared an extremely similar pattern of reduced haplotype variation to the invasive populations. An additional 18 specimens collected at US ports of entry did not share the same haplotype profile as contemporary invasive populations, raising perplexing questions on global pathways and establishment success in this species.
期刊介绍:
Evolutionary Applications is a fully peer reviewed open access journal. It publishes papers that utilize concepts from evolutionary biology to address biological questions of health, social and economic relevance. Papers are expected to employ evolutionary concepts or methods to make contributions to areas such as (but not limited to): medicine, agriculture, forestry, exploitation and management (fisheries and wildlife), aquaculture, conservation biology, environmental sciences (including climate change and invasion biology), microbiology, and toxicology. All taxonomic groups are covered from microbes, fungi, plants and animals. In order to better serve the community, we also now strongly encourage submissions of papers making use of modern molecular and genetic methods (population and functional genomics, transcriptomics, proteomics, epigenetics, quantitative genetics, association and linkage mapping) to address important questions in any of these disciplines and in an applied evolutionary framework. Theoretical, empirical, synthesis or perspective papers are welcome.