Steatoda grossa
(False Black Widow)

Picture ID 55207

Picture of Steatoda grossa (False Black Widow) - Dorsal,Egg sacs

Comments & ID Thoughts

I think it's a black house spider. Was in the bathroom

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ItsyBitsy
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False Black Widow, Steatoda grossa.

TangledWeb
Member

Hi, it looks like Steatoda grossa, a False Black Widow. They are common and not a problem. They try to avoid being exposed to light. They can’t see well and use vibration and basic light/dark vision and chemoreceptors for sensory input. Sometimes someone will switch a light on and the false widow will be caught out in the open exposed. They will often hold still until the light is off.

Additional Pictures

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