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Spider ID? - Latrodectus

Spider ID? - Latrodectus
Tucson, Pima County, Arizona, USA
September 2, 2016
Size: 3-4mm
Small spider found in our bathroom. I took it outside for the photos. Red and yellow patterns on dorsal and ventral. ID?

Images of this individual: tag all
Spider ID? - Latrodectus Spider ID? - Latrodectus Spider ID? - Latrodectus

Moved from ID Request.

Definitely one of the Widows
One of the specialists should be able to tell you which one.

Black Widow?
Now that I look at this more carefully, it appears to be a male western black widow (Latrodectus hesperus). Can anyone confirm?

female, to shriveled from starvation and dehydration to be certain, looks more like mactans to me, but could be a result of shriveling.
Hesperus is the likely candidate.

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