Login
Register
Comments & ID Thoughts
No idea what kind of spider this is! New to Southern California and spotted this sucker in my bathtub. I have seen them before, but this time I’m curious enough to submit a photo.
- Submitted by:
- Submitted: Mar 31, 2018
- Photographed: Mar 31, 2018
- Spider: Steatoda grossa (False Black Widow)
- Sex:
Male, - Maturity:Adult
- Location: Long Beach, California, United States
- Spotted Indoors: Sink or bathtub
- Found in web?: No
- Attributes: Dorsal
Apr 23, 2020
Apr 23, 2020
Pacific Grove, 
I believe this to be an (possibly male) immature Steatoda grossa, aka false black widow. They’re non-native and harmless to people, and are extremely common in California. This is a picture of an immature S. grossa:
http://nathistoc.bio.uci.edu/spiders/ad_m_7209.jpg
Thank you for the response!
Agree, filed. Well except for the harmless part, I’d go with mostly harmless. Like most spiders they have venom but are unlikely to bite except in self defense and not considered to be of medical significance, everyone’s immune system is different though. Welcome to Spider ID. 🙂