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首页> 外文期刊>Journal of Economic Entomology >Phylogenetic Analysis of an Economically Important Species Complex of Wireworms (Coleoptera: Elateridae) in the Midwest
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Phylogenetic Analysis of an Economically Important Species Complex of Wireworms (Coleoptera: Elateridae) in the Midwest

机译：在中西部的一种经济上重要的线虫（鞘翅目：Elateridae）复合体的系统发育分析

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摘要

Wireworms are a common soil-dwelling pest of maize, Zea mays L., in the midwestern United States. Wireworms are a problematic group to control and study due to the difficulty involved in identification. The objectives of this study are to identify this species complex of wireworms by using molecular diagnostic techniques and to reconstruct a phylogeny of economically important wireworm species. The cytochrome oxidase I gene of mitochondrial DNA was sequenced from >300 individuals. The species analyzed include all economically important members of the genus Melanotus Eschscholtz as well as Conoderus lividus (De Geer). The species that are indistinguishable in the larval stage were successfully separated using nucleotide p-distances, and sequence data were then used in phylogenetic analyses. The data presented here represent an initial phylogenetic hypothesis concerning economically important wireworms. Our results indicate that the molecular phylogeny of the mitochondrial cytochrome oxidase subunit I gene provides a fast and accurate method of separating wireworm species. By increasing the ease and accuracy of identification, we hope to facilitate further investigations into their biology and control.
机译：线虫是美国中西部玉米的一种常见的土壤居住害虫，Zea mays L.。由于鉴定的困难，线虫是一个有问题的控制和研究群体。这项研究的目的是通过使用分子诊断技术来鉴定这种线虫物种复合体，并重建经济上重要的线虫物种的系统发育史。线粒体DNA的细胞色素氧化酶I基因已从300多个个体中测序。所分析的物种包括Melanotus Eschscholtz属和Conoderus lividus（De Geer）的所有经济上重要的成员。使用核苷酸p距离成功分离了幼虫阶段无法区分的物种，然后将序列数据用于系统发育分析。此处提供的数据代表有关经济上重要的线虫的初步系统发育假设。我们的结果表明，线粒体细胞色素氧化酶亚基I基因的分子系统发育提供了一种快速，准确的分离线虫种类的方法。通过提高鉴定的简便性和准确性，我们希望能够促进对其生物学和控制的进一步研究。

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