Plutella australiana (Lepidoptera, Plutellidae), an overlooked diamondback moth revealed by DNA barcodes.

Plutella australiana (Lepidoptera, Plutellidae), an overlooked diamondback moth revealed by DNA barcodes.
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DOI:
10.3897/zookeys.327.5831
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发表时间:
2013
期刊:
影响因子:
1.3
通讯作者:
Hebert PD
Hebert PD
中科院分区:
生物学3区
文献类型:
--
作者:
Landry JF;Hebert PD

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在澳大利亚,小菜蛾属被认为只有一个引入的物种,小菜蛾(Plutella xylostella(Linnaeus))。它作为十字花科作物的主要害虫的地位,以及制定控制策略的困难,促使对其生物学进行了广泛的研究。先前的遗传学研究普遍支持这样的结论,即这种迁徙物种的种群是由大量的基因流连接在一起的。然而,目前的研究揭示了两个遗传上不同的谱系,这taxonin澳大利亚的存在。其中一种与几乎世界性的小菜蛾表现出密切的遗传和形态相似性。第二个谱系具有相似的外部形态,但在细胞色素c氧化酶I基因的条形码区域中存在显著的序列差异,再加上生殖器的明显差异。因此,该谱系的成员被描述为一个新物种,Plutella australiana Landry & Hebert,广泛分布于澳大利亚的东半部。
The genus Plutella was thought to be represented in Australia by a single introduced species, Plutella xylostella (Linnaeus), the diamondback moth. Its status as a major pest of cruciferous crops, and the difficulty in developing control strategies has motivated broad-ranging studies on its biology. Prior genetic work has generally supported the conclusion that populations of this migratory species are connected by substantial gene flow. However, the present study reveals the presence of two genetically divergent lineages of this taxonin Australia. One shows close genetic and morphological similarity with the nearly cosmopolitan Plutella xylostella. The second lineage possesses a similar external morphology, but marked sequence divergence in the barcode region of the cytochrome c oxidase I gene, coupled with clear differences in genitalia. As a consequence, members of this lineage are described as a new species, Plutella australiana Landry & Hebert, which is broadly distributed in the eastern half of Australia.
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发表时间: 2007-05-01
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影响因子: --
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