摘要
本文记述我国云南省、湖南省、广西省产的肖蛸科蜘蛛,共6新种,其中银鳞蛛属5新种,肖蛸属1新种。文内对各新种均作了详细描述,并绘制有外雌器和触肢器等结构图。全部模式标太保存在湖南师范学院生物系。种名为:三角银鳞蛛,新种Leucauge trigonosa sp.nov.纽银鳞蛛,新种Leucauge lygisma sp.nov.瘤银鳞蛛,新种Leucouge tuberculata sp.nov.楔银鳞蛛,新种Leucauge sphenoida sp.nov.筒银鳞蛛,新种Leucauge cylindrata sp.nov.钩形肖蛸,新种Tetragnatha aduncata sp.nov.
This paper deals with 6 new species of the spider genera Leucauge and Tetragnatha collected from Yunnan. Guangxi and Hunan Provinces. Measurements are in mm.All the type specimens are deposited in the Department of Biology, Hunan Normal University.Leucauge trigonosa sp. nov. (figs. 1-6)Holotype ♀, allotype cf, paratypes 14♀♀, 2♂♂, Jinghong County (22°00’N, 100°45’E), Yunnan Province, 24, October 1987.Holotype ♀, total’length 7.10, carapace 2.50×2.20, abdomen 6.80×3.40.Allotype ♂, total length 2.05, carapace 1.00×0.80, abdomen 1.10×0.80.This new species is allied to Leucauge grata (Guer, 1830), but differs from the latter in: 1) length of carapace: ♀ 2.50, ♂ 1.00; 2) median septum of epigynum of this new species trigonal; 3) embolus of shorter.Leucauge lygisma sp. nov. (figs. 7-12)Holotype ♀, allotype ♂, paratypes 26♀♀, 1 immature, Jinghong County, Yunnan Province, 18, October, 1987.Holotype ♀, total length 7.70, carapace 2.80×2.20, abdomen 4.90 ×2.70.Allotype ♂, total length 4.60, carapace 2.00×1.55, abdomen 2.60×1.50.This new species is allied to Leucauge tessellata (Thorell, 1887), but differs from the latter in: D total length 7.70; 2) pattern of abdomen; 3) median septum of epigynum bell-shaped.Leucauge tuberculata sp. nov. (figs. 13-16)Holotype ♀, allotype ♂, paratypes 60♀♀, 27♂♂, 4 immature, Jinghong County, Yunnan Province. 14, March, 1979.Holotype ♀, total length 6.10, carapace 270×1.60, abdomen 5.40×2.90.Allotype ♂, total length 3.30, carapace 1.50×1.40, abdomen 2.20×1.40.This new species is allied to Leucauge venusta (Walckenaer, 1801), but differs from the latter in: 1) total length: ♀ 6.10, ♂ 3.30; 2) median septum of epigynum; 3) abdomen with tubercular outgrowth; 4) male palp. Leucauge sphenoida sp. nov. (figs. 17-20)Holotype ♀, allotype ♂, paratypes 20♀♀, 3♂♂, 8 immature, Jinghong County, Yunnan Province, 20, October, 1987. paratype 1♂, 3 immature, Jinghong County, Yunnan Province, 19-24, March, 1979; paratype 2♀♀, 2♂♂, 6 immature, Mt. Damingshan, Guangxi Province, 1984.Holotype ♀, total length 6.70, carapace 2.40×1.80, abdomen 4.50×2.60.Allotype ♂, total length 4.80, carapace 1.90×1.10, abdomen 3.40×1.80.This new species is allied to Leucauge retracto Chamberlin, 1924, but differs from the latter in: 1) length of carapace ♀ 2.40, ♂ 1.90; 2) epigynum, male palp and abdominal pattern.Leucauge cylindrata sp. nov. (figs. 21-24)Holotype ♀, allotype ♂, paratypes 16♀♀, 6♂♂, Suining County (26°35’N, 110°08’E, Hunan Province, 7, August 1984.Holotype ♀, total length 12.50, carapace 4.70×3.20; abdomen 9.50×4.20.Allotype ♂, total length 10.60, carapace 4.80×3.70, abdomen 7.90×2.80.This new species is allied to Leucauge blands (L. Koch, 1878), but differs from the latter in: 1) total length: ♀ 12.50, ♂ 10.60; 2) embolus longer; 3) pattern and epigynum.Tetragnatha aduncata sp. nov. (figs. 25-30)Holotype ♀, allotype, ♂, Mengla County (21°20’N, 101°26’E), Yunnan Province, 11, August, 1981.Holotype ♀, total length 8.00, carapace 2.20×1.20, abdomen 5.80×1.50, chelicen 2.10.Allotype ♂, total length 10.00, carapace 2.80×1.50, abdomen 7.20×1.40, chelicera 3.60.This new species is allied to Tetragnatha eumorpha Okuma, 1987, but differs from the latter in: 1) total length: ♀ 8.00, ♂ 10.60; 2) teeth on the chelicera: ♀ promargin of fang furrow with 10, retromargin of fang furrow with 8; ♂ promargin of fang furrow with 9, retromargin of fang furrow with 6; 3) embolus hook-shaped.
出处
《动物分类学报》
CSCD
1991年第2期153-162,共10页
Acta Zootaxonomica Sinica
关键词
蜘蛛目
肖蛸科
新种
Araneae Tetragnathidae Leucauge Tetragnatha new species
