Steatoda grossa
(False Black Widow)

Picture ID 8000

Picture of Steatoda grossa (False Black Widow) - Lateral

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Triangualr cobweb spider. Found crawling on my bed 11:00am. It was about the size of a quarter. Made me nervous. Should I have been nervous??!!

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ItsyBitsyJscopperlily Recent comment authors
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ItsyBitsy
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Hi, welcome to Spider ID. 🙂 This is a False Black Widow (Steatoda grossa). They’re only likely to bite in self defense – which could happen if you rolled onto one in your bed. I do not know why it was in your bed, they usually keep to themselves. Perhaps her web was destroyed and she was looking for a better place to build or she was carried in on something. They’re easy enough to relocate outside. Just place a cup over the spider and slide a stiff piece of paper underneath. You can reduce the number of spiders you… Read more »

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