อ้างอิง ของ แมงมุมแม่ม่ายน้ำตาล

  1. 1 2 3 4 Vetter, Richard S. (2013). "The brown widow spider, Latrodectus geometricus". Department of Entomology, Center for Invasive Species Research, University of California, Riverside. สืบค้นเมื่อ 15 July 2013.
  2. ↑ Reagan, Mark (12 August 2011). "It's officially confirmed: There's a new spider in southwest Kansas". Dodge City Daily Globe. สืบค้นเมื่อ 28 September 2012.
  3. ↑ Ono, H (1995). "Records of Latrodectus geometricus (Araneae: Theridiidae) from Japan". Acta Arachnologica. 44 (2): 167–170. doi:10.2476/asjaa.44.167.
  4. ↑ Santana, Fred (2007). "Brown Widow Spiders". Sarasota County, Florida: Institute of Food and Agricultural Sciences, University of Florida. สืบค้นเมื่อ 28 September 2012.
  5. ↑ Jackman, J A (2006). "Spiders", Texas Agricultural Extension Service.