中国及其邻国尖顶蚱属的分类及2新种记述(直翅目:蚱科)
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国家自然科学基金项目(30677250,39391800)资助


A Review of the Genus Teredorus Hancock(Orthoptera: Tetrigidae) from China and Adjacent Countries with Description Two New Species
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    摘要:

    系统研究了分布于中国、印度和尼泊尔的直翅目蚱科尖顶蚱属Teredorus昆虫种类共计22种, 其中有2个新种, 即太白尖顶蚱Teredorus taibeiensis sp.nov.和短背尖顶蚱Teredorus brachinota sp.nov., 并有1个新组合,即格尖顶蚱Teredorus graveli(Gunther,1939) com.nov.,同时提供了尖顶蚱属昆虫的分种检索表和分布地区。模式标本保存于陕西师范大学动物研究所昆虫标本室。

    Abstract:

    The Teredorus Hancock from China and adjacent countries was reviewed,with 22 species recorded, including two new species: Teredorus taibeiensis sp. nov. and Teredorus brachinota sp.nov.,and a new combination Teredorus graveli(Gunther,1939),com.nov.. The type specimens are deposited in the Institute of Zoology,Shaanxi Normal University.Teredorus taibeiensis Zheng et Xu,sp.nov.(Fig.1)This new species is allied to Teredorus bipulvillus Zheng(2006) and Teredorus bashanensis Zheng(1993). It differs from both in: 1)frontal ridge concave before eyes in profile; 2)vertex and frontal ridge forming right angle and protruding before eye in profile; 3)length of pronotum about 6.5 times as long as length of hind process which is beyond hind femur. It differs from the former in: 1)head protruding above the pronotum; 2)first segment of hind tarsi with three pulvilli. It differs from the latter in:1)length of elytra 3.1 times its width; 2)width of midfemur narrower than the width of elytra.Length of body: ♀14.0~14.2 mm; length of pronotum: ♀13.5~14.0 mm; length of hind femur: ♀7.5~7.7 mm.Holotype ♀,Shaanxi: Taibei, 107°3′ E, 34°N,13-July-2005,collected by Xu Sheng-quan; paratype 1♀, same data as holotype.Etymology: The specific name is derived from the type locality “Taibei”.Teredorus brachinota Zheng et Xu,sp.nov.(Fig.2)This new species is allied to Teredorus guizhouensis Zheng(1993) but differs in : 1)length of body 3.3 times its width; 2)hind process of pronotum surpassing the top of hind femur about 0.4 mm; 3)length of pronotum about 20 times as long as length of hind process which is beyond hind femur; 4)length of elytra 2.14 times its width; 5)width of midfemur larger than the width of elytra; 6)third pulvillus of first segment of hind tarsi larger than the first and second pulvilli; 7)lower outer side of hind femur not black.Length of body: ♂7.5 mm; length of pronotum: ♂8 mm; length of hind femur: ♂8 mm.Holotype ♂, Henan: Neixiang, 111°8′E, 33°1′N,21-July-2004,collected by Xu Sheng-quan.Etymology: The specific name is derived from the Greece “brachy” and “nota”.

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郑哲民,许升全.中国及其邻国尖顶蚱属的分类及2新种记述(直翅目:蚱科)[J].华中农业大学学报,2010,29(1):14-20

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  • 收稿日期:2009-06-22
  • 最后修改日期:2009-09-28
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