Picture ID 50691

Picture of unidentified spider

Comments & ID Thoughts

I am suspicious this is a male or female black widow. We live in East Tennessee and we have a finished basement. The front of it is underground but the back is not, as it is on a hill. The spider was downstairs in the hallway, at the bottom of the wall. This spider is not black though. It is reddish-brown. It has some sort of design on its back that looks to be similar to that of a black widow. We have found several shiny black, black widows outside around our property over the years. And quite a few years back I found to inside the house. Those were obviously black widows. But I cannot tell about this one.

  • Submitted by: 
  • Submitted: Dec 24, 2018
  • Photographed: Dec 24, 2018
  • Spider: Unidentified
  • Location: Greenback, Tennessee, United States
  • Spotted Indoors: Basement or Cellar
  • Found in web?: No
  • Attributes:
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Hi, this looks like a triangulate cobweaver, Steatoda triangulosa. They are in the same family, Theridiidae, as black widows but the venom is much less harmful to humans. They can be dangerous to other spiders.