吉林省长白山区闪腹蛛属1新种与1新纪录种(蜘蛛目:皿蛛科:微蛛亚科)

1. A Ew SPECIES AND A NEW RECORD SPECIES OF THE GENUSHYPSELISES IN CHANGBAI MOUNTAINOUS DISTRICT OF JILIN,CHINA (ARANEAE:LINYPHIIDAE:ERIGONINAE)

记述了采自我国吉林省长白山地区的闪腹蛛属1新种与1新纪录种,记述的新种是:沟突闪腹蛛Hypselistes fossilobus sp.nov.;记述的1新纪录种是:杰氏闪腹蛛Hypselistes jacdsoni(Cambridge,1902)。本文所记述的种类,其测量单位均为mm,所有种的标本均保存于白求恩医科大学生物教研室。

This paper describes a new species and a new record species of the genus Hypselistes Simon,1894. The new species is Hypselistes fossilobus sp. nov.;the new record species is Hypselistes(Cambridge, 1902). All specimens are deposited in Biological department of Norman University of Medical Sciences.Hypselistes fossilobus sp. nov. (figs. 1—7)Body Length: ♀2.30mm,♂1.78mm. Cephalothorax: orange—red; head lobe with poste-rior median eyes in the male. There is a deep furrow between antreior and posterior median eyes.Legs: yellow—brown; tibiae of Ⅰ—Ⅳ each with one dorsal spine; metatarsus of Ⅳ with a trichibothrium; Tm Ⅰ ca. 0.93(♀), 0.94(♂). Epigyne: bow shape in posterior—margin.Male palp: embolus strong and wide.This species resembles H·acutidens Gao, Sha et Zhu 1989, but diffres: the shape of head lobe, the furrow between anterior and posterior median eyes, epigynum, embolus as well as the shape of tibial apophyses of male palp.Holotype:♀, allotype:♂, paratype:1♀, collected from Fusong County(42.3°N, 129.5°E),Jilin Province, July, 1990; paratypes:6♀♀,collected from Korean Autonomous Prefecture of Yanbian (42.9°N, 129.5°E), Jilin Province, July, 1990; paratypes: 11♀♀, collected from Tonghua District(41.7°N, 125.9°E), Jilin Province, July, 1990; paratypes:6♀♀, collected from Tonghua District, Jilin Province, July, 1991.The species Hypselistes jacksoni(Cambridge, 1902) is described for the first time in China.It was collected from Changbai Mountainous District(43.5°N, 128.6°E),Jilin Province, June—July, 1990 and 1991.