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I find these in forests in Oregon, western half, though they're probably on the eastern half as well. They live under pieces of wood and bark, and have a small web across the ground. Mine will eat crickets, but I think they eat carpenter ants, termites, and maybe pillbugs/sowbugs. It seems about an inch long, red on the thorax and legs, and dark grey and slightly hairy on the abdomen. The closest to this spider I've found is sowbug killers, and they're in my backyard but they're smaller then this spider and also are a light tan on a hairless abdomen, with lighter colored legs. The fangs also seem different shapes but I'm not sure about that.

Spider 1 Spider 2 Spider 3 Spider 4

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Thanks for getting the images up there, I still can't figure out how to do it. Is there a way on mobile? –  Skyhawk Dec 27 '13 at 23:36
    
There is on iPhone at least, I'm not sure on other platforms. You can always type up the markup manually (though it is a little cumbersome on mobile): ![an image](http://example.com/image) –  Rory M Dec 27 '13 at 23:57
    
Thanks, I'll try that next time. Yeah, I'm on iPod. –  Skyhawk Dec 28 '13 at 0:05
    
I thought it was the woodlouse spider too which is why I posted an answer but I am unsure now since you already suggested it. It should belong to the genus Dysdera though –  The Last Word May 28 at 5:52

1 Answer 1

It look like Callobius severus to me.

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