Steatoda grossa
(False Black Widow)

Picture ID 54276

Picture of Steatoda grossa (False Black Widow) - Dorsal

Comments & ID Thoughts

I have no idea. It was 3/4 inch big with legs, sitting under a crate with the markings.
It was living under a wooden crate in the garden

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BugmanDan

Hi, Your spider looks to be Steatoda triagulosa,one of the cobweb spiders. Never saw one this fat,even gravid. might be suffering a parasite.

Phil Sheo

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Last edited 1 year ago by Phil Sheo
Phil Sheo

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Last edited 1 year ago by Phil Sheo
BugmanDan

The prosoma is obscured, but the legs are wrong for a tick.
I have to side with ItsyBitsy. I have seen them this fat and the result of a parasite worm.

ItsyBitsy

This is a False Black Widow, Steatoda grossa. She looks gravid.

Additional Pictures

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