Steatoda borealis

Picture ID 97998

Picture of Steatoda borealis - Male - Dorsal

Comments & ID Thoughts

Found in bedsheets. Black with circle on back. Bite caused blister with red ring, headache and nausea. Skin grafting needed.

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ItsyBitsy

Male Steatoda borealis (False Widow).

TangledWeb

Sometimes bacterial infections like MRSA are misattributed to spider bites. There may have been bacteria sampling done that your friend doesn’t know about and results that haven’t been provided yet. Your spider’s identification came from our Site Moderator herself. We can’t give you a more experienced answer than hers.

Additional Pictures

Picture of Steatoda borealis - Dorsal Enlarge Picture
Picture of Steatoda borealis - Male - Penultimate,Ventral Enlarge Picture
Picture of Steatoda borealis - Dorsal Enlarge Picture
Picture of Steatoda borealis - Ventral Enlarge Picture