巨棒蜂属(膜翅目: 棒蜂科)一新种暨巨棒蜂属亚洲种类检索表

doi:10.11707/j.1001-7488.20210515

林业科学 ›› 2021, Vol. 57 ›› Issue (5): 160-164.doi: 10.11707/j.1001-7488.20210515

巨棒蜂属(膜翅目: 棒蜂科)一新种暨巨棒蜂属亚洲种类检索表

牛耕耘¹,肖炜²,魏美才^1,*

1. 江西师范大学生命科学学院南昌 330022
2. 中南林业科技大学昆虫系统和进化生物学实验室长沙 410004

收稿日期:2019-10-24 出版日期:2021-05-25 发布日期:2021-07-09
通讯作者: 魏美才
基金资助:
国家自然科学基金项目(31672344)

A New Species of Megaxyela Ashmead (Hymenoptera: Xyelidae) with A Key to Asian Species

Gengyun Niu¹,Wei Xiao²,Meicai Wei^1,*

1. College of Life Sciences, Jiangxi Normal University Nanchang 330022
2. Laboratory of Insect Systematics and Evolutionary Biology, Central South University of Forestry and Technology Changsha 410004

Received:2019-10-24 Online:2021-05-25 Published:2021-07-09
Contact: Meicai Wei

摘要/Abstract

摘要：

报道采自中国浙江天目山、可能为害山核桃的棒蜂科巨棒蜂属一新种：白痣巨棒蜂Megaxyela leucostigma sp.nov.，该种可能是山核桃的新害虫。新种翅完全透明，无烟色，翅痣和翅脉全部乳白色，锯鞘端黄白色等，与同属已知种类差别显著。新种与蓝腹巨棒蜂M.euchroma Blank，Shinohara & Wei，2017同域分布，寄主可能也相同，2种差别除上述虫体颜色外，白痣巨棒蜂的锯鞘端明显更窄长；此外，2种COⅠ序列差异十分显著，K2P距离为10.85%，与同属其他种类间K2P种间距离（7.6%~13.5%）近似；文中还编制了巨棒蜂属亚洲种类分种检索表。

关键词: 膜翅目, 棒蜂科, 巨棒蜂属, 山核桃, 中国

Abstract:

In this paper, a new species, Megaxyela leucostigma sp. nov., of the genus Megaxyela from Tianmu Mountain, Zhejiang Province, China, is described and it is possibly a new pest of Carya cathayensis. The new species obviously differs from the known species of the same genus by the wings entirely hyaline with milky white pterostigma and veins as well as the apical ovipositor sheath yellowish white. M. leucostigma is sympatric with M. euchroma Blank, Shinohara & Wei, 2017 and they may have the same host of Carya cathayensis of Juglandaceae, but the new species differs from M. euchroma by the narrow apical sheath. The K2P distance between the COⅠ of M. leucostigma and M. euchroma is 10.85%, which is similar to the interspecific distance of other species of the same genus (7.6%-13.5%). A key to Asian species of the genus Megaxyela is provided.

Key words: Hymenoptera, Xyelidae, Megaxyela Ashmead, Carya cathayensis, China

中图分类号:

S718.7

牛耕耘,肖炜,魏美才. 巨棒蜂属(膜翅目: 棒蜂科)一新种暨巨棒蜂属亚洲种类检索表[J]. 林业科学, 2021, 57(5): 160-164.

Gengyun Niu,Wei Xiao,Meicai Wei. A New Species of Megaxyela Ashmead (Hymenoptera: Xyelidae) with A Key to Asian Species[J]. Scientia Silvae Sinicae, 2021, 57(5): 160-164.

图/表 2

参考文献 0

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巨棒蜂属(膜翅目: 棒蜂科)一新种暨巨棒蜂属亚洲种类检索表

A New Species of Megaxyela Ashmead (Hymenoptera: Xyelidae) with A Key to Asian Species

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