中国隆头蛛属一新种(蜘蛛目:隆头蛛科)  

A NEW SPECIES OF THE GENUS ERESUS FROM CHINA (ARANEAE:ERESIDAE)

作　　者：杨自忠[1] 胡金林[2] 

机构地区：[1]大理师范高等专科学校生化系,大理671000 [2]山东大学生命科学学院,济南250100

出　　处：《动物分类学报》2002年第4期726-728,共3页Acta Zootaxonomica Sinica

基　　金：国家自然科学基金资助项目 (编号 39770 0 93)

摘　　要：记述了云南隆头蛛属 1新种 :大理隆头蛛Eresusdaliensissp .nov .。新种与草隆头蛛Eresuscinnaberinus (Olivier ,1789)近似 ,但本种雌蛛外雌器的凹陷呈倒“U”字形 ,雄蛛腹部背面中部具一宽的暗色横带 ,引导器的内侧面近顶部具 1个三角形裂片 ,而不同于后者。The present paper deals with a new species of the genus Eresus (Walckenaer, 1805). All measurements are given in millimeters. Type specimens are deposited in the College of Life Sciences, Shandong University. Eresus daliensis sp. nov. (Figs. 1 6)Holotype ♀, paratypes 2♀♀, Dali County (25°26′N, 99°58′E, 2?060?m),Yunnan Province, 21 July 1999, collected by YANG Zi\|Zhong; 2 ♂♂, Binchuan County, (25°56′N,100°25′E, 1?800?m) Yunnan Province, 21 Aug. 1999,collected by CHEN Yong\|Quan; 17♀♀,Dali County, Yunnan Province, 18 Nov. 2000, collected by YANG Zi\|Zhong; 4♂♂, Dali County, Yunnan Province, 18 July 2001, collected by YANG Zi\|Zhong.\;Female total length 9 80 10 00. Holotype total length 10 0: cephalothorax 4 0 long, 2 8 wide; abdomen 6 0 long, 4 2 wide. Measurements of legs: Ⅰ 9 10(2 7,2 9,2 0,1 5); Ⅱ7 0(2 0,2 4,1 5,1 1); Ⅲ 5 8(1 9,2 0,1 0,0 9); Ⅳ 8 4(2 7,3 0,1 7,1 0). Leg formula:1, 4, 2, 3.\;Male total length 1 08: cephalothorax 0 59 long, 0 35 wide; abdomen 0 49 long, 0 32 wide. Measurements of legs:Ⅰ1 41(0 41,0 50,0 31,0 19); Ⅱ1 01(0 30,0 35,0 21,0 15); Ⅲ 0 79(0 31,0 29,0 12,0 07); Ⅳ 1 04(0 37,0 41,0 16,0 10).\;This new species is similar to Eresus cinnaberinus (Olivier,1789), but differs from the latter by having a “U” shaped epigynum, dorsal abdomen of male with a wide black transverse band in the middle, and conductor with a triangular lobe near the tip laterally.

关 键 词：中国 隆头蛛属 新种 蜘蛛目 隆头蛛科 

分 类 号：Q959.226[生物学—动物学]