Steatoda borealis

Picture ID 51604

Picture of Steatoda borealis - Male - Dorsal

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Has been hanging around the house for around a month

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TangledWeb

Hi, could you post a photo taken above him or her, straight down? The markings on the topside of the abdomen are part of how we tell some spiders apart. Please don’t use digital zoom, just let your camera autofocus and post it looking small. If you need more light you can have a flashlight or something pointed at the spider. I tried to do that alone, standing on one foot on the toilet with the phone in one hand and the flashlight in the other. All I got is a really dreadful accidental selfie from them moment I dropped… Read more »

ItsyBitsy

“I tried to do that alone, standing on one foot on the toilet with the phone in one hand and the flashlight in the other. All I got is a really dreadful accidental selfie from them moment I dropped both the flashlight and my phone behind the toilet. So, don’t do things I do.”

I’ve done as much. Too funny! XD

ItsyBitsy

Hi, this is very likely a male Steatoda borealis (False Widow).
https://bugguide.net/node/view/1620760

ItsyBitsy

After looking at the new image certainly S. borealis.

Additional Pictures

Picture of Steatoda borealis - Dorsal Enlarge Picture
Picture of Steatoda borealis Enlarge Picture
Picture of Steatoda borealis - Ventral Enlarge Picture
Picture of Steatoda borealis - Dorsal Enlarge Picture