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Home > Pictures of Spiders > Picture 5361

Latrodectus
(Widow Spiders)

Picture ID 5361

Picture of Latrodectus (Widow Spiders) - Dorsal
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Geneas

Please help with this ID. My wife was bit 3 times and her arm is swelling with some sharp pain. Urgent care doctor could not identify the spider or determine any treatment. We wonder if it could be a brown recluse which is one of the few poisonous spiders in the Western US but can not clearly identify the violin shake expected on its back.

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ItsyBitsy

Hi, welcome to Spider ID. I’m sorry to hear about your situation. Do you still have the spider? Turn it over and look at the ventral side, is there a red or orange mark there? Your spider looks like it may be a dark variation of a Brown Widow (Latrodectus geometrus). If you still have it and want to submit another image of the ventral we can also compare it to a Western Black Widow (L. hesperus).
https://bugguide.net/node/view/1130896/bgimage

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