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孟氏隐唇瓢虫(鞘翅目:瓢虫科)原生种群和引入种群的遗传分化及其对生物防治项目的影响

Genetic Differentiation in Native and Introduced Populations of Cryptolaemus montrouzieri (Coleoptera: Coccinellidae) and Its Implications for Biological Control Programs.

作者信息

Li Hao-Sen, Jin Meng-Jie, Ślipiński Adam, De Clercq Patrick, Pang Hong

机构信息

State Key Laboratory of Biocontrol, College of Ecology and Evolution, Sun Yat-sen University, Guangzhou 510275, Guangdong, China.

Australian National Insect Collection, CSIRO, National Research Collections Australia, GPO Box 1700, Canberra, ACT 2601, Australia.

出版信息

J Econ Entomol. 2015 Oct;108(5):2458-64. doi: 10.1093/jee/tov216. Epub 2015 Jul 23.

Abstract

Cryptolaemus montrouzieri Mulsant (Coleoptera: Coccinellidae) is an effective biological control agent of Australian origin, which has been introduced worldwide to control mealybugs. Although successfully used for >100 yr, its introduction in a new area may cause environmental risks should the populations become invasive. In the present study, a population genetics method was used to make predictions of the invasive potential of C. montrouzieri. Our results showed a similar level of genetic diversity among all populations. No significant genetic differentiation between native and introduced populations was observed, while three populations from the native region were significantly divergent. The fact that genetic diversity was not reduced in introduced areas suggests that no bottleneck effect has occurred during introduction. To avoid rapid evolution of the introduced C. montrouzieri, the introduction records of each population should be clearly traced and introductions from multiple sources into the same area should be avoided.

摘要

孟氏隐唇瓢虫(Cryptolaemus montrouzieri Mulsant,鞘翅目:瓢虫科)是一种源自澳大利亚的有效生物防治剂,已被引入世界各地用于防治粉蚧。尽管已成功使用超过100年,但如果其种群在新区域成为入侵物种,引入可能会带来环境风险。在本研究中,采用种群遗传学方法预测孟氏隐唇瓢虫的入侵潜力。我们的结果显示,所有种群的遗传多样性水平相似。未观察到原生种群和引入种群之间存在显著的遗传分化,而来自原生区域的三个种群存在显著差异。引入区域的遗传多样性未降低这一事实表明,引入过程中未发生瓶颈效应。为避免引入的孟氏隐唇瓢虫快速进化,应清晰追溯每个种群的引入记录,并避免从多个来源引入到同一区域。

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