I believe this is a male Toothed Phigalia (Phigalia denticulata, Hodges #6659). http://i972.photobucket.com/albums/ae204/DougLepidoptera/2010%20Moths/06659AndersonCo27Jan2010.jpg I photographed this on January 27, 2010, at my house in Oak Ridge, Anderson County, TN. - Doug