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Comments & ID Thoughts
I was wondering if this spider is venomous at all. I have no clue what it's called so if anybody can help that would be great!
- Submitted by:
- Submitted: Jan 19, 2018
- Photographed: Jan 19, 2018
- Spider: Cheiracanthium mildei (Long-legged Sac Spider)
- Location: Wallingford, Connecticut, United States
- Spotted Indoors: Basement or Cellar
- Found in web?: No
- Attributes: Dorsal
Sep 24, 2019
Sep 22, 2019
Madison, 
I see this spider in my basement a lot and I wake up with spider bites sometimes. I want to know if it’s venomous or if it’s perfectly harmless. If anybody knows anything about this little guy please feel free to comment!
Hi, welcome to Spider ID. 🙂 You have Longlegged Sac Spiders (Cheiracanthium mildei). They have an over-exaggerated reputation for biting. Like most spiders they have venom but are not considered to be of medical significance to people though there has been debate over the years as to whether or not their bites can cause blisters, the current consensus I see is no or rarely, … everyone’s immune system is different. They’re not something to worry over but you don’t want lots of them indoors. You can reduce the number you see by sealing cracks around floors, doors, window, foundation, vacuum… Read more »
Thanks for the reply! I do wake up with penny sized blisters sometimes that go away in about two days. They are never really that painful or bothersome. I’m glad I finally know what this spider is and am relieved to hear its not toxic to humans!