Steatoda nobilis
(Noble False Widow)

Picture ID 3806

Picture of Steatoda nobilis (Noble False Widow) - Dorsal

Comments & ID Thoughts

I have no idea what spider this is. They are all over my fence. I am trying to identify this spider so that I can be more familiar with it i.e is it poisonous, aggressive, do they bite. Thank you all in advance.

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ItsyBitsy
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This appears to be a duplicate image with different lighting. The spider is a Noble False Widow (Steatoda nobilis). They are in the same family as Black Widows (Theridiidae/Latrodectus) but are not considered to have the that same level of medical significance. They’re not aggressive and are only likely to bite in self defense. They are a fairly new species to the area – a native to Madeira and the Canary Islands they have been increasing their global range since the 1800’s.

Additional Pictures

Picture of Steatoda nobilis (Noble False Widow) Enlarge Picture
Picture of Steatoda nobilis (Noble False Widow) Enlarge Picture
Picture of Steatoda nobilis (Noble False Widow) - Dorsal Enlarge Picture
Picture of Steatoda nobilis (Noble False Widow) - Male - Dorsal Enlarge Picture