Beautiful Blue Butterflies!

I love the colors of these butterflies. They are very striking with a radically different coloration on the underside.


A friend thought they might be "Painted Ladies", but a search on the net shows otherwise. In trying to identify this one, I believe it is the butterfly shown here:

http://www.carolinanature.com/butterflies/rsp.html

Official name: Limenitis arthemis astyanax