What's That Bug? does not endorse extermination

can you identify this spider?
I’ve attached a picture of spider I found on a bush outside my house (I live in western PA). I’ve looked everywhere on the web, but haven’t been able to identify it. I’ve never seen anything like it before. The closest type it resembled was the horny orb weaver, but wrong part of the country. Can you help?
thanks
Ann
p.s. I’m still trying to get a better shot of it, but it’s not moving around much.

Hi Ann,
Our old Comstock book identifies this orb weaver as Argyrodes nephilae. It is common in the South and is distinctive because of the triangular abdomen. Comstock writes: “that a large part of the upper portion of the abdomen is silver-white; so that it appears like a drop of quicksilver.” It sometimes leads an independant life and other times it shares a web with Nephila clavipes in a communal existance.

What's That Bug? does not endorse extermination

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