中国阿扁蜂属（膜翅目：扁蜂科）4新种

doi:10.11707/j.1001-7488.LYKX20240587

摘要/Abstract

摘要：

目的: 报道并描述采自四川林区的阿扁蜂属新种，为林业害虫综合治理提供科学数据。方法: 采用经典比较形态学研究法，确定本种害虫的所属类群和种类名称，并与近缘种类比较，确定主要鉴别特征。结果: 确定并描述阿扁蜂属4个新种：宽颊阿扁蜂Acantholyda dolichogena Wei, sp. nov.、黄痣阿扁蜂A. fulvostigma Wei, sp. nov.、康氏阿扁蜂A. kangi Wei, sp. nov.和长毛阿扁蜂A. pilosisoma Wei, sp. nov.，每种均给出详细的形态特征描述，并提供主要形态特征图。文中初步讨论阿扁蜂属的分布、起源和演化，认为东亚和中国分布的阿扁蜂属种类多样性世界最高，分别约占世界已知种类的50%和29.4%，东亚中北部地区是本属的主要分布和分化中心，推测本区域也可能是本属的起源中心。结论: 比较形态研究确认四川林区发现的4种阿扁蜂属昆虫是新物种。本研究丰富了对阿扁蜂属物种多样性认识，可为我国生物多样性保护及林业害虫防治提供科学依据。

关键词: 扁蜂亚目, 腮扁蜂亚科, 新种, 松科植物, 物种多样性

Abstract:

Objective: The genus Acantholyda Costa (Hymenoptera: Pamphiliidae) exhibits high species diversity in China, but the western regions remain insufficient investigation in terms of faunal composition and forest pest status. No species of this genus have previously been reported from Sichuan Province. This study reports and describes new species of Acantholyda collected from forest areas in Sichuan, providing scientific data for the integrated management of forest pests. Method: A classical comparative morphological approach was used to determine the taxonomic position and species identity of the specimens. Diagnostic features were examined and compared with those of closely related species to determine the main distinguishing characters. Result: Four new species of Acantholyda were identified and described: Acantholyda dolichogena Wei, sp. nov., A. fulvostigma Wei, sp. nov., A. kangi Wei, sp. nov., and A. pilosisoma Wei, sp. nov. Detailed morphological descriptions and illustrations of key diagnostic characters were provided for each species. This paper preliminarily discussed the distribution, origin, and evolution of the genus Acantholyda. It was found that species of Acantholyda distributed in East Asia and China had the highest diversity worldwide, accounting for approximately 50% and 29.4% of the known species, respectively. The middle and northern regions of East Asia are the main areas of distribution and diversification of this genus, and are presumed to be the origin center of this genus. Conclusion: The comparative morphological study has confirmed that the four Acantholyda species discovered in the forest areas of Sichuan are new species. This study enriches the understanding of Acantholyda species diversity and provides a scientific basis for biodiversity conservation and forest pest management in China.

Key words: Pamphiliomorpha, Cephalciinae, new species, plants of Pinaceae, specific diversity

中图分类号:

S718.7

李晓,康小龙,魏美才. 中国阿扁蜂属（膜翅目：扁蜂科）4新种[J]. 林业科学, 2025, 61(12): 146-152.

Xiao Li,Xiaolong Kang,Meicai Wei. Four New Species of the Genus Acantholyda Costa (Hymenoptera: Pamphiliidae) from China[J]. Scientia Silvae Sinicae, 2025, 61(12): 146-152.

图/表 2

图1

图2

参考文献 0

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