Insect and Spider Identification: CLOSED: Need help with butterfly ID, 1 by MartyJo

MartyJo wrote:
I really need some help here. I just spent about an hour and a half on various websites and with the two butterfly guides we have - and I give up. This was perched on a pot outside the door one cool morning. I really thought it was dead, but when I went back hoping for a better pic, it was gone. I've exhausted all the possibilities I can find of yellows and whites - can anyone help? Even help me narrow it down? All I can tell you is what it's NOT. The markings appear rather indistinct - but the rest of the picture seems to be in focus.