Population genetic variation and historical dynamics of the natural enemy insect Propylea japonica (Coleoptera: Coccinellidae) in China

WANG, Meng-qi; ZHAGN, Hong-rui; XI, Yu-qiang; WANG, Gao-ping; Zhao, Man; ZHANG, Li-juan; GUO, Xian-ru

doi:10.1016/j.jia.2022.08.025

Cited by 7 publications

(7 citation statements)

References 62 publications

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“…This may also help explain the great genetic differenti- Xuan et al, 2022); however, we did not observe an obvious influence of host plants on the differentiation of P. horticola populations. In general, high levels of gene flow among genetically divergent populations could offset random genetic drift, selection and mutation, and ultimately homogenize the populations (Endersby et al, 2005;Lyons et al, 2012;Wang et al, 2017Wang et al, , 2022.…”

Section: Discussionmentioning

confidence: 99%

“…In addition, studies have shown that host specialization may lead to genetic differentiation in leaf‐mining fly populations and may even promote the development of many new species (Scheffer et al, 2007; Scheffer & Lewis, 2005, 2006; Spencer, 1964; Winkler, Mitter, et al, 2009; Winkler, Scheffer, et al, 2009; Xuan et al, 2022); however, we did not observe an obvious influence of host plants on the differentiation of P. horticola populations. In general, high levels of gene flow among genetically divergent populations could offset random genetic drift, selection and mutation, and ultimately homogenize the populations (Endersby et al, 2005; Lyons et al, 2012; Wang et al, 2017, 2022).…”

Section: Discussionmentioning

confidence: 99%

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Population genetics and ecological niche modelling provide insights into management strategies of the herbivorous pest Phytomyza horticola (Diptera: Agromyzidae)

Liang,

Du,

Jin

et al. 2023

Diversity and Distributions

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AimResearch on population genetic patterns and potential distribution dynamics can provide insights into the development of pest management strategies. Herein, we integrated population genetic analyses with the climatic niche approach to investigate spatial population genetic variations and potential geographical distribution (PGD) of the herbivorous pest Phytomyza horticola. We also analysed its population response patterns to both late Pleistocene climatic events and future climate change.LocationChina.MethodsWe analysed the patterns of genetic diversity distribution in 29 populations from 19 regions across China using three mitochondrial (COI, COII and Cytb) genes as markers. We estimated demographic histories using neutrality tests, mismatch distributions and Bayesian skyline plots. Changes in PGD were assessed using an ecological niche model.ResultsHigh genetic diversity was found in most populations, and the northern population exhibited higher haplotype diversity. The population genetic structure included the Tibet lineage and a large lineage comprising the remaining populations. Demographic analyses indicated that rapid population expansion occurred during the cold Last Glacial Maximum. In addition, our projections suggested that P. horticola currently has a vast PGD in China, for which the human influence index was the strongest variable. Large areas of cold northern regions were highly suitable for its survival. Under future global warming, highly suitable habitats will shift towards the higher latitudes.Main conclusionsP. horticola is widely distributed across varied environments, which may be attributed to its high degree of genetic variation. Human activities likely facilitated the current PGD and the frequent gene flow that homogenized differentiation among most populations. In addition, P. horticola exhibits strong adaptability to cold climates and environments from the past to the future. Considering future climatic changes, prevention and control should focus on high‐latitude regions, and vigilance regarding human‐mediated pest dispersals and outbreaks should be maintained.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Population genetics and ecological niche modelling provide insights into management strategies of the herbivorous pest Phytomyza horticola (Diptera: Agromyzidae)

Liang,

Du,

Jin

et al. 2023

Diversity and Distributions

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“…The plant–insect–natural enemy tri-trophic relationship is more likely to affect the population dynamics of P. japonica [ 24 ]. In this study, the N e and N e /N 0 of P. japonica in the whole age stage preying S. graminium population acclimated on ‘98-10-19’, which is the highest resistant wheat line, were the lowest; however, their biological control potential was not significantly different from that of the acclimated aphid populations on other wheat lines, indicating that the resistance of ‘98-10-19’ to S. graminum did not negatively affect the biological control potential of P. japonica to S. graminum .…”

Section: Discussionmentioning

confidence: 99%

“…The ladybeetle, Propylaea japonica (Thunberg) (Coleoptera: Coccinellidae), is considered a successful natural enemy because of its tolerance to high temperatures and insecticides in arid and semi-arid areas in East Asia [ 2 , 22 , 23 ]. Basically, it preys on some small insect pests, such as aphids, whiteflies, and mates in agricultural systems, and is used as an indigenous biological control agent essential in the innovation and development of integrated pest management in China [ 22 , 24 ].…”

Section: Introductionmentioning

confidence: 99%

Effects of Crop Resistance on the Tritrophic Interactions between Wheat Lines, Schizaphis graminum (Hemitera: Aphididae), and Propylaea japonica (Coleoptera: Coccinellidae)

Peng

et al. 2022

Plants

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Crop resistance and biological control are both considered efficient and environmentally friendly methods of sustainable pest control. In this study, we aimed at investigating the direct influence of four wheat lines with varying resistance level on the life-history traits of the greenbug, Schizaphis graminum, and the mediational effect on the functional response of a predatory ladybird, Propylaea japonica, under laboratory conditions. Results showed that the aphid fitness was the lowest for aphids that had been feeding on wheat line ‘98-10-19’ for one year. These aphids had the longest development time, and least adult mass, minimal mean relative growth rate, and lowest reproductive fitness. In contrast, the aphids that fed on wheat line ‘98-10-30’ were the fittest, with the shortest development time and highest levels of reproductive fitness. The predatory activities of the ladybeetle, especially the adult male significantly decreased following the consumption of aphids belonging to the ‘98-10-19’-acclimated population. However, there were no significant differences in predatory efficiency (net attack frequency) among the four aphid acclimated populations. Our results showed that the wheat line ‘98-10-19’ has a relative higher resistance to S. graminum than the other three wheat lines, which could further decrease the amount of prey available for consumption. However, the ecological effect of the resistance of ‘98-10-19’ to S. graminum posed no negative influence on the biocontrol potential of P. japonica to these aphids, as their predatory efficiency increases at the fourth instar larvae phase.

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“…Genetic data are important sources of information for gaining insight into historical and recent evolutionary history of species that have had their populations established or augmented by large-scale releases of individuals, as occurs during biological control (Jones et al, 2023;Kajita et al, 2012;Li et al, 2019Li et al, , 2020Li et al, , 2021Li et al, , 2023Sentis et al, 2022;Sethuraman et al, 2020;Wang et al, 2023).…”

Section: Introductionmentioning

confidence: 99%

Go west: Population genomics reveals unexpected population fluctuations and little gene flow in Western hemisphere populations of the predatory lady beetle, Hippodamia convergens

Sethuraman,

Nunziata,

Jones

et al. 2023

Evolutionary Applications

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Hippodamia convergens—the convergent lady beetle, has been used extensively in augmentative biological control of aphids, thrips, and whiteflies across its native range in North America, and was introduced into South America in the 1950s. Overwintering H. convergens populations from its native western range in the United States are commercially collected and released across its current range in the eastern USA, with little knowledge of the effectiveness of its augmentative biological control. Here we use a novel ddRADseq‐based SNP/haplotype discovery approach to estimate its range‐wide population diversity, differentiation, and recent evolutionary history. Our results indicate (1) significant population differentiation among eastern USA, western USA, and South American populations of H. convergens, with (2) little to no detectable recent admixture between them, despite repeated population augmentation, and (3) continued recent population size expansion across its range. These results contradict previous findings using microsatellite markers. In light of these new findings, the implications for the effectiveness of augmentative biological control using H. convergens are discussed. Additionally, because quantifying the non‐target effects of augmentative biological control is a difficult problem in migratory beetles, our results could serve as a cornerstone in improving and predicting the efficacy of future releases of H. convergens across its range.

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Population genetic variation and historical dynamics of the natural enemy insect Propylea japonica (Coleoptera: Coccinellidae) in China

Cited by 7 publications

References 62 publications

Population genetics and ecological niche modelling provide insights into management strategies of the herbivorous pest Phytomyza horticola (Diptera: Agromyzidae)

Population genetics and ecological niche modelling provide insights into management strategies of the herbivorous pest Phytomyza horticola (Diptera: Agromyzidae)

Effects of Crop Resistance on the Tritrophic Interactions between Wheat Lines, Schizaphis graminum (Hemitera: Aphididae), and Propylaea japonica (Coleoptera: Coccinellidae)

Go west: Population genomics reveals unexpected population fluctuations and little gene flow in Western hemisphere populations of the predatory lady beetle, Hippodamia convergens

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