Invasion Genetics of Woolly Apple Aphid (Hemiptera: Aphididae) in China

Zhou, Hongxu; Zhang, Ruiming; Tan, Xi; Tao, Yun-Li; FangHao, Wan; Wu, Qiang; Chu, Dong

doi:10.1093/jee/tov074

Cited by 11 publications

(12 citation statements)

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“…Approaches involving population genetics such as the use of mitochondrial and nuclear microsatellite markers can provide essential tools for overcoming these problems151617181920. Previous study has demonstrated the genetic differentiation in S. furcifera from five disjunct localities in Korea, the Philippines, China (only two populations), Malaysia, and Vietnam using mitochondrial sequences.…”

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confidence: 99%

Possible Source Populations of the White-backed Planthopper in the Greater Mekong Subregion Revealed by Mitochondrial DNA Analysis

Chu

Yin

et al. 2016

Sci Rep

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The white-backed planthopper, Sogatella furcifera (Horváth) (Hemiptera: Delphacidae), is a serious pest of rice in Asia. However, little is known regarding the migration of this pest insect from the Greater Mekong Subregion (GMS) including Cambodia, Laos, Myanmar (Burma), Thailand, and Vietnam, into China’s Yunnan Province. To determine the migration patterns of S. furcifera in the GMS and putative secondary immigration inside China’s Yunnan Province, we investigated the population genetic diversity, genetic structure, and gene flow of 42 S. furcifera populations across the six countries in the GMS by intensive sampling using mitochondrial genes. Our study revealed the potential emigration of S. furcifera from the GMS consists primarily of three major sources: 1) the S. furcifera from Laos and Vietnam migrate into south and southeast Yunnan, where they proceed to further migrate into northeast and central Yunnan; 2) the S. furcifera from Myanmar migrate into west Yunnan, and/or central Yunnan, and/or northeast Yunnan; 3) the S. furcifera from Cambodia migrate into southwest Yunnan, where the populations can migrate further into central Yunnan. The new data will not only be helpful in predicting population dynamics of the planthopper, but will also aid in regional control programs for this economically important pest insect.

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confidence: 99%

Possible Source Populations of the White-backed Planthopper in the Greater Mekong Subregion Revealed by Mitochondrial DNA Analysis

Chu

Yin

et al. 2016

Sci Rep

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“…Since the 1990s, however, the aphid has spread to many other areas of China. Using eight microsatellite loci, Zhou et al (2015) showed that the recently established E. lanigerum populations in Xinjiang might not have originated from the "supercolony" in northern China, indicating that this species might also have multiple sources. These results suggest that the IAIPs populations in the introduced regions often have multiple introductions or sources.…”

Section: Invasion Routesmentioning

confidence: 99%

“…T. vaporariorum populations collected from the provinces of Jilin, Ningxia, Guizhou, and Qinghai appear to represent secondary introductions originating from other Chinese provinces (Gao et al 2014). Using eight microsatellite loci, Zhou et al (2015) analyzed the genetic diversity and genetic structure of 24 E. lanigerum populations in 10 provinces. The results suggest that the populations in northern China may have been introduced from Shandong or Liaoning provinces; the populations in Yunnan consisted of an early-established population and a population introduced secondarily from Shandong or neighboring areas, indicating that the population in Yunnan had at least two sources.…”

Section: Bridgehead Effect and Secondary Introductionsmentioning

confidence: 99%

Invasion genetics of alien insect pests in China: Research progress and future prospects

Chu

Guo

2019

Journal of Integrative Agriculture

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An unwelcome side effect of the globalization of the world's economy and dramatic increase in human mobility and trade has been a marked increase in species invasions that have posed severe threats to the ecological, economic, and/or social stability of the introduced regions. In this review, we analyzed the application of molecular markers in invasion genetics of invasive alien insect pests (IAIPs) in China based on a bibliometric survey. Our report discusses the considerable progress that has been made during the past two decades in understanding the invasion genetics of IAIPs in China. We reviewed the major findings in the main topics including the effects of origin and routes of invasion on genetic structure, spatial and temporal genetic changes, factors contributing to the genetic changes of IAIPs, and genetic mechanisms involved in IAIPs' invasions. On the other hand, some of these research areas remain relatively unexplored in China, especially those pertaining to spatial and temporal genetic changes of IAIPs and genetic mechanisms of IAIPs' invasions. Finally, the future research prospects of IAIPs in China are discussed. We hope this review will stimulate an interest in and provide an increased understanding of the field of invasion genetics of IAIPs in China, and provide a basis for future research in this area.

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“…They concluded that a single native Asian introduction of the species into North America was very likely, and that North America then became the source of the European outbreak. Such use of STRUCTURE in the context of invasion biology is very common (e.g., Lachmuth et al 2010;Papura et al 2012;Robert et al 2012;Bolte et al 2013;Fontaine et al 2013;Sanz et al 2013;Zhang et al 2014;Yu et al 2014;Zhou et al 2015;Guillemaud et al 2015;Rewicz et al 2015;Dieni et al 2016;Zhu et al 2017). However, invasions frequently involve major demographic events, such as strong bottlenecks followed by genetic drift, which may significantly impair our ability to determine introduction routes correctly from a given STRUCTURE result.…”

Section: Introductionmentioning

confidence: 99%

Biases of STRUCTURE software when exploring introduction routes of invasive species

2018

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Population genetic methods are widely used to retrace the introduction routes of invasive species. The unsupervised Bayesian clustering algorithm implemented in STRUCTURE is amongst the most frequently used of these methods, but its ability to provide reliable information about introduction routes has never been assessed. We simulated microsatellite datasets to evaluate the extent to which the results provided by STRUCTURE were misleading for the inference of introduction routes. We focused on an invasion scenario involving one native and two independently introduced populations, because it is the sole scenario that can be rejected when obtaining a particular clustering with a STRUCTURE analysis at K = 2 (two clusters). Results were classified as "misleading" or "non-misleading". We investigated the influence of effective size, bottleneck severity and number of loci on the type and frequency of misleading results. We showed that misleading STRUCTURE results were obtained for 10% of all simulated datasets. Our results highlighted two categories of misleading output. The first occurs when the native population has a low level of diversity. In this case, the two introduced populations may be very similar, despite their independent introduction histories. The second category results from convergence issues in STRUCTURE for K = 2, with strong bottleneck severity and/or large numbers of loci resulting in high levels of differentiation between the three populations. Overall, the risk of being misled by STRUCTURE in the context of introduction routes inferences is moderate, but it is important to remain cautious when low genetic diversity or genuine multimodality between runs are involved.

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Invasion Genetics of Woolly Apple Aphid (Hemiptera: Aphididae) in China

Cited by 11 publications

References 50 publications

Possible Source Populations of the White-backed Planthopper in the Greater Mekong Subregion Revealed by Mitochondrial DNA Analysis

Possible Source Populations of the White-backed Planthopper in the Greater Mekong Subregion Revealed by Mitochondrial DNA Analysis

Invasion genetics of alien insect pests in China: Research progress and future prospects

Biases of STRUCTURE software when exploring introduction routes of invasive species

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