Unidentified

Picture ID 79641

Picture of unidentified spider

Comments & ID Thoughts

Hi,
I'm in Belgrade, Montana and this little guy has been living in my bathroom. If you placed it on a dime there would be room left over so it's small. One picture shows the abdomen pattern and the other shows the topside. I thought it might be a false black widow which I believe is a type of cobweb spider?. Any help with identification would be greatly appreciated!!!
Thank you!!!

  • Submitted by: 
    Kstok
  • Submitted: Aug 22, 2019
  • Photographed: Aug 22, 2019
  • Spider: Unidentified
  • Location: Belgrade, Montana, United States
  • Spotted Indoors: Other
  • Found in web?: Yes
  • Attributes:
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TangledWeb

Hi, it is a False Widow which are also called cobweavers in family Theridiidae. I think this is Steatoda borealis. If you shine a bright light on them the markings look like they have a golden glow. They don’t like that, they prefer to live in darkness and navigate by sense of touch mostly. I have these living around the exterior of my house eating insects that try to go under the vinyl siding to the old wood underneath.