Steatoda grossa
(False Black Widow)

Picture ID 5087

Picture of Steatoda grossa (False Black Widow) - Dorsal
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ItsyBitsy

Hi, welcome to Spider ID. 🙂 This looks like a False Black Widow (Steatoda grossa).
https://bugguide.net/node/view/232822

ItsyBitsy

They’re not aggressive and are unlikely to bite except in self defense if pressed up against the skin. My understanding is that their venom is similar to but much less potent to that of a Black Widow. You likely wouldn’t suffer any serious side effects but everyone’s immune system is different.

Additional Pictures

Picture of Steatoda grossa (False Black Widow) - Dorsal Enlarge Picture
Picture of Steatoda grossa (False Black Widow) - Male - Dorsal Enlarge Picture
Picture of Steatoda grossa (False Black Widow) - Male - Dorsal Enlarge Picture
Picture of Steatoda grossa (False Black Widow) - Dorsal Enlarge Picture