Steatoda grossa
(False Black Widow)

Picture ID 58316

Picture of Steatoda grossa (False Black Widow) - Lateral

Comments & ID Thoughts

Believe to be a false black widow spider. Looking at existing pictures there seems to be large variation in the species, if all of the pictures are confirmed.

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CaliSpiders

Yes this is a false black widow you can tell by the abdonomen that it is brown unlike the black widow which is full black and has a red mark on it belly

ItsyBitsy

I wouldn’t rely on color alone, there can be exceptions. This is a False Widow regardless, the pale triangles down the abdomen point to Steatoda grossa.

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