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Home » Guide » Arthropods (Arthropoda) » Chelicerates (Chelicerata) » Arachnids (Arachnida) » Spiders (Araneae) » True Spiders (Araneomorphae) » Entelegynae » Cobweb Spiders (Theridiidae) » Widow Spiders (Latrodectus) » Southern Black Widow (Latrodectus mactans)
Photo#249501
Widow - Latrodectus mactans - female
Copyright © 2009 Sam Houston

Widow - Latrodectus mactans - Female
Sand Springs, Osage County, Oklahoma, USA
January 18, 2009
Size: 6mm (1/4")
Not dead, just cold.

I think this is a Southern Black Widow, as opposed to a Northern. The hourglass is solid rather than broken.
Please confirm.

Images of this individual: tag all
Widow - Latrodectus mactans - female Widow - Latrodectus mactans - female Widow - Latrodectus mactans - female Widow - Latrodectus mactans - female
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Contributed by Sam Houston on 18 January, 2009 - 8:19pm
Last updated 6 August, 2010 - 7:52am

Moved
Moved from Widow Spiders.
… john and jane balaban, 6 August, 2010 - 7:52am login or register to post comments

I agree.
Very nice images of what I suspect is a sub-adult female. I'll be curious what Jay Barnes or Jeff Hollenbeck have to say about the dorsal markings. I think she is just not old enough to have lost them yet.
… Eric R. Eaton, 19 January, 2009 - 6:30pm login or register to post comments

 
correct. like i mentioned in
correct. like i mentioned in the other image comment, i believe this is a sub-adult mactans. markings on dorsal abdomen should lessen, or even disappear with the next molt (or two if that many is left).
… widowman10, 16 July, 2010 - 4:50pm login or register to post comments

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