Review of the Genus Sycanus Amyot & Serville, 1843 (Heteroptera: Reduviidae: Harpactorinae), from China Based on DNA Barcoding and Morphological Evidence

文献类型： 外文期刊

第一作者： Zhao, Ping

作者： Zhao, Ping;Zhao, Ping;Chen, Suyi;Liu, Yingqi;Chen, Zhuo;Li, Hu;Cai, Wanzhi;Chen, Suyi;Liu, Yingqi;Chen, Zhuo;Li, Hu;Cai, Wanzhi;Chen, Suyi;Liu, Yingqi;Chen, Zhuo;Li, Hu;Cai, Wanzhi;Wang, Jianyun

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关键词： China; Sycanus; taxonomy; DNA barcoding; species delimitation; phylogeny; new species; biology

期刊名称：INSECTS （ 影响因子：3.0； 五年影响因子：3.1 ）

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年卷期： 2024 年 15 卷 3 期

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收录情况： SCI

摘要： Simple Summary: The reduviid genus Sycanus Amyot & Serville, 1843, possesses higher aesthetic value and plays a crucial role as a natural enemy in the control of agricultural and forestry pests. However, Sycanus from China has not undergone a comprehensive review for over four decades. Based on both molecular data and morphological evidence, we conducted a systematic review of the 14 Chinese Sycanus species, including a description of three new species. Due to the variability of body coloration and morphological similarity among closely related species, unresolved issues and debates still persist in the taxonomic study of the genus Sycanus from China. In this study, we conducted phylogenetic analyses and species delimitation for Sycanus in China based on a COI DNA barcoding dataset comprising 81 samples. The results revealed that all the samples could be classified into 12 species by integrating molecular analyses with morphological comparison. This paper provides a comprehensive systematic review of the Sycanus species found in China, including descriptions of three new species: S. taiwanensis Zhao & Cai sp. nov., S. flavicorius Li & Cai sp. nov., and S. hainanensis Wang & Cai sp. nov. Furthermore, it is proposed that S. croceovittatus Dohrn, 1859, S. leucomesus Walker, 1873, and S. villicus Stal, 1863, are three synonyms of S. bifidus (Fabricius, 1787); S. bicolor Hsiao, 1979, is a synonym of S. versicolor Dohrn, 1859; and S. hsiaoi Maldonado-Capriles, 1990, is a synonym of S. marginellus Putshkov, 1987. Additionally, brief biological information is provided for two species, S. falleni Stal, 1863, and S. croceus Hsiao, 1979.

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