south american spider identification help

[publicemily83]

found outside of cusco peru. if anyone can help me with the identification of this spider it would be greatly appreciated

http://www.flickr.com/photos/wildkusi/4400317420/in/set-72157622406740689/

 

[Vespula]

It looks like something in the genus Argiope.

 

[publicemily83]

thanks, i'll keep looking in that direction then

 

[What]

It is likely Argiope trifasciata or something similar. I dont believe many species are known from South America...