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Molecular phylogeny and species delimitation of the genus ?Dicerapanorpa (Mecoptera: Panorpidae)

作者:   来源:   发布日期:2019-11-01  浏览次数:

????? ? 论文信息:GUI-LIN HU, KAI GAO, JI-SHEN WANG, PAUL D. N. HEBERT ?and BAO-ZHEN HUA*.Molecular phylogeny and species delimitation of the genus ?Dicerapanorpa (Mecoptera: Panorpidae).Zoological Journal of the Linnean Society, 2019, 1–23.

? ? ? ? JCR分区Q1 ,中科院大类分区三区,IF=2.909

??????? 论文摘要:Given that species is the fundamental unit in systematic biology, rigorous species delimitation is crucial for taxonomic studies, yet routine species delimitation remains an ongoing challenge in the taxonomic practice of insects. The twohorned scorpionfly Dicerapanorpa is a small genus in Panorpidae (Mecoptera) endemic to the Qinling-Bashan and Hengduan mountains, a biodiversity hotspot. However, species of Dicerapanorpa are difficult to delineate owing to marked intraspecific variation and interspecific similarity. Here, we investigate the diversity and species boundaries of Dicerapanorpa using an integrative approach based on DNA barcoding, morphological, geometric morphometric and molecular phylogenetic analyses. This integrative analyses confirmed the 13 described species of Dicerapanorpa and revealed three new species: Dicerapanorpa lativalva sp. nov., Dicerapanorpa hualongshana sp. nov. and Dicerapanorpa minshana sp. nov. Most molecular operational taxonomic units are in congruence with morphological clusters. Possible reasons for several discordances in Dicerapanorpa are tentatively discussed.


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