几何寇蛛

几何寇蛛学名Latrodectus geometricus),又称棕色寡妇蛛[2],为寇蛛属的一种蜘蛛,分布遍及全球,原产地可能是南非[2],但学界尚无定论[3]。它和同属的黑寡妇蜘蛛较为相似,只是体型较小、颜色较淡。

几何寇蛛
科学分类 编辑
界: 动物界 Animalia
门: 节肢动物门 Arthropoda
纲: 蛛形纲 Arachnida
目: 蜘蛛目 Araneae
科: 球蛛科 Theridiidae
属: 寇蛛属 Latrodectus
种:
几何寇蛛 L. geometricus
二名法
Latrodectus geometricus
异名[1]
  • Theridium zickzack Karsch, 1878
  • Latrodectus concinnus O. Pickard-Cambridge, 1904
  • Chacoca distincta Badcock, 1932
开罗的一只几何寇蛛

毒性

它和黑寡妇蜘蛛一样具有蛛毒。但其毒性本身就比黑寡妇蜘蛛的蛛毒小得多[4],影响的一般只有伤口附近位置。此外加上几何寇蛛体形本来就比较小,所以能注入伤口的毒也就较少[3]。其毒在小鼠身上的半数致死量为0.43 mg/kg[5][6]

参考文献

  1. ^ 1.0 1.1 Taxon details Latrodectus geometricus C.L. Koch, 1841. World Spider Catalog (Natural History Museum Bern). [2016-10-29]. (原始内容存档于2021-12-07). 
  2. ^ 2.0 2.1 Reagan, Mark. It's officially confirmed: There's a new spider in southwest Kansas. Dodge City Daily Globe. 12 August 2011 [28 September 2012]. (原始内容存档于25 March 2012). 
  3. ^ 3.0 3.1 Vetter, Richard S. The brown widow spider, Latrodectus geometricus. Department of Entomology, Center for Invasive Species Research, University of California, Riverside. 2013 [15 July 2013]. (原始内容存档于2011-08-13). 
  4. ^ Brown, Eryn. Brown widow spiders 'taking over' in Southern California. Science Now (Los Angeles Times). 2 July 2012 [28 September 2012]. (原始内容存档于2012-12-12). 
  5. ^ Rauber, Albert. Black Widow Spider Bites. Clinical Toxicology. 1 January 1983, 21 (4–5): 473–485. PMID 6381753. doi:10.3109/15563658308990435. 
  6. ^ McCrone, J.D. Comparative lethality of several Latrodectus venoms. Toxicon. 1 December 1964, 2 (3): 201–203. doi:10.1016/0041-0101(64)90023-6. 

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