Taxonomy of the Colocasiomyia gigantea species group (Diptera, Drosophilidae), with descriptions of four new species from Yunnan, China.

Taxonomy of the Colocasiomyia gigantea species group (Diptera, Drosophilidae), with descriptions of four new species from Yunnan, China.
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Colocasiomyia gigantea 物种组(双翅目,果蝇科)的分类,以及来自中国云南的四个新种的描述

DOI:
10.3897/zookeys.406.7176
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发表时间:
2014
期刊:
影响因子:
1.3
通讯作者:
Gao JJ
Gao JJ
中科院分区:
生物学3区
文献类型:
--
作者:
Li NN;Toda MJ;Fu Z;Chen JM;Li SH;Gao JJ

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芋泉蝇属(Colocasiomyia de Meijere)的物种取食/繁殖于天南星科、棕榈科和木兰科植物的花序/果序上。尽管它们大多数以天南星科芋亚科的植物为食,但最近确立的巨芋泉蝇物种组中的3个物种利用的是龟背竹亚科的植物。我们描述了在中国云南发现的巨芋泉蝇物种组的4个新种:长丝芋泉蝇(Colocasiomyia longifilamentata Li & Gao,新种)、长瓣芋泉蝇(C. longivalva Li & Gao,新种)、海林芋泉蝇(C. hailini Li & Gao,新种)和尹氏芋泉蝇(C. yini Li & Gao,新种)。物种界定不仅依据形态学,还借助DNA条形码,即线粒体细胞色素c氧化酶亚基I(COI)部分基因的序列。在COI序列比对(长度为658个位点)中,一些具有固定状态的核苷酸位点被用作 “纯粹的” 分子诊断特征,以界定巨芋泉蝇物种组中的物种。
Abstract Species of the genus Colocasiomyia de Meijere feed/breed on inflorescences/infructescences of the plants from the families Araceae, Arecaceae and Magnoliaceae. Although most of them utilize plants from the subfamily Aroideae of Araceae, three species of the recently established C. gigantea species group make use of plants of the subfamily Monsteroideae. We describe four new species of the gigantea group found from Yunnan, China: Colocasiomyia longifilamentata Li & Gao, sp. n., C. longivalva Li & Gao, sp. n., C. hailini Li & Gao, sp. n., and C. yini Li & Gao, sp. n. The species delimitation is proved in virtue of not only morphology but also DNA barcodes, i.e., sequences of the partial mitochondrial COI (cytochrome c oxidase subunit I) gene. Some nucleotide sites with fixed status in the alignment of the COI sequences (658 sites in length) are used as “pure” molecular diagnostic characters to delineate species in the gigantea group.
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