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Unidentified

Picture ID 158993

Picture of unidentified spider

Comments & ID Thoughts

I believe this is a Scotophaeus blackwalli (Mouse Spider) seen on outside wall of my home. I live in southern California at the foothills of Mount Baldy, San Gabriel mountains. They usually come out when it is warm, Spring and Summer.

  • Submitted by: 
    spiderchicken
  • Submitted: Jul 1, 2022
  • Photographed: Jul 1, 2022
  • Spider: Unidentified
  • Location: Upland, California (Southern California), California, United States
  • Spotted Outdoors: Man-made structure (building wall, fences, etc.)
  • Found in web?: No
  • Attributes:
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Nod

Hi I’m just a site visitor so your guess is as good as mine. I noticed a striking resemblance between your spider and another harmless introduced species common in California – Metaltella simoni. https://spiderid.com/spider/desidae/metaltella/simoni/. The behavior you describe though doesn’t quite fit this one. It is more at home in moist spots under logs where it builds its webs. The next time you see one, have a look at its hind end. Ground spiders like the mouse spider have very distinctive spinnerets – that you will be able to see without handling the spider. If it has them you are… Read more »

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