中国盖蛛属一新种(蜘蛛目:皿蛛科)

A NEW SPECIES OF SPIDER OF THE GENUS NERIENE FROM CHINA (ARANEAE: LINYPHIIDAE)

本文记述了采自湖北、四川、浙江、安徽、福建五省的盖蛛属Neriene一新种:华丽盖蛛Neriene nitens,讨论了新种的斑纹和Tm Ⅰ的地理变异,将新种与其近似种饰斑盖蛛Neriene compta Zhu et Sha作了较为详细的比较。模式标本均保存于白求恩医科大学生物教研室。

In the present paper, a new species of the genus Neriene is described. All types of the new species are deposited in the Department of Biology, Norman Bethune University of Medical Sciences.Neriene nitens sp. nov. (figs. 1-15)Body length: 4-66-5.97mm, 4.76-6.87m.Carapace yellowish-brown, slightly darker at its border, radial furrow and fovea. With a narrow median stripe from posterior end of fo ea to posterior margin of thorax. PME seperat-ed from each other by 1.5 diams. in male and 1 in female, from PLE by 2-2.5 diams. in male and 2.5 in female. With a small basal mbercle and a large teeth on anterior surface of male paturon. No. of cheliceral teeth shown in Table 2. Abdomen cylindriform in male, surface light beige-coloured to light brown, with white narrow latero-dorsal stripes, posterior dorsal surface with tow black transverse bars. Female abdomen rather long oval in dorsal view, dorsal surface with a narrow black-coloured median stripe serrated, followed by a large crown-li ke marking, flanked by irregular light dark stripes. Male palp, epigyne and vulva shown in figs. 1-13.There are some geographic variations in its body colour, pattern of female abdomen and measures of Tm Ⅰ (Table 1)This new species is similar to Neriene compta Chu et Sha, 1986 very much but differs from the latter in body size, no. of projections on anterior surface of male paturon, no. of cheliceral teeth, male palp, epigyne and vulfa.Holotype ♂, allotype ♀, from Hubei Province, 1986. Ⅷ.18. Paratypes: 32♀♀1♂,ditto; 2♂♂. Hubei Province, 1981. Ⅸ.19; 3♀♀l♂, Hubei Province, 1983. Ⅷ. 27; 4♀♀, Sichuan Province, 1978. Ⅷ.19. 2♀♀, Zhejiang Province, 1974.Ⅹ.12; 1♂, Anhuai Province, 1984. Ⅶ; 7♀♀ 8♂♂, Fujian Province, 1986.Ⅶ.19.