陕西束颈蝗属二新种记述(直翅目,斑翅蝗科)

TWO NEW SPECIES OF THE GENUS SPHINGONOTUS FROM SHAANXI (ORTHOPTERA,OEDIPODIDAE)

记述采自陕西柞水的斑翅蝗科Oedipodidae束颈属蝗属Sphingonotus Fieber2新种,即直纹束颈蝗Sphingonotus striatu ssp.nov.和张氏束颈蝗Sphingonotus zhangi sp.nov.。模式标本保存于陕西师范大学动物研究所昆虫标本室。

This paper reports two new species of the genus Sphintonotus collected from Shaanxi.Type specimens are deposited in the Institute of Zoology,Shaanxi Normal University.1 Sphingonotus striatus sp.nov.（Figs.1-6）This new species is related to Sphingonotus qinghaiensis Yin 1984,but differs in ：1）lateral lobe of pronotum with posterior angle right-angled form;2）longitudinal diameter of eye 1.3 times length of the subocular furrow;3）interspace of mesosternal lobes 1.3 times length of the width.;Length of body：♂ 23mm,♀28mm;length of pronotum;♂4.6mm,♀5.5mm;length of tegmen：♂26mm,♀30mm;length of femur：♂11mm,♀13.5mm.Holotype ♂,Shaanxi,Zhashui,8 July 2003,collected by ZHANG Da-Zhi.Paratypes：1♂,Shaanxi,Zhashui,8 July 2003,collected by FANG Xue-Mei;1♀ Shaanxi,Zhashui,8 July 2003,collected by ZHANG Da-Zhi.／;Etymology.The specific name is derived from the Latin ＂striatus＂,referring that the inner margin of boand on the wing is straight.2 Sphingonotus zhangi sp.nov.（Figs.7-10）This new species is related to Sphingonouts mongolicus Sauss.,but differs in：1）tegment much exceeding the tip of hind tibia;2）length of metezona 1.6 times to that of prozona.／;♂ Length of body 26mm;length of pronotum 5／^2mm;length of tegment 31mm;length of femur 12mm.／;Holotype ♂,Shaanxi,Zhashui,8 July 2003,collected by ZHANG Da-Zhi.／;Etymology.The specific name is derived from the name of collector Zhang.