Steatoda grossa
(False Black Widow)

Picture ID 55347

Picture of Steatoda grossa (False Black Widow) - Dorsal

Comments & ID Thoughts

I found this spider on the wall of my apartment and was struck by it as I have never seen one similar before. We tend to have very few spiders in the house. The building is very old (16th century) and there is renovation work taking place downstairs so I wonder if it may have been disturbed by that.
It was quite small, perhaps an inch and a half in length.

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ItsyBitsyTangledWebDarkenfawn Recent comment authors
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Darkenfawn
Member

Looks like a Triangulate Cobweb Spider but I could be wrong

TangledWeb
Member

Could be Steatoda grossa. Steatoda triangulosa has the triangle marks touching top to bottom in a line down the abdomen.

ItsyBitsy
Moderator

False Black Widow, Steatoda grossa.

Additional Pictures

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