Help with ID please

I'm hoping Kennedyh or some other butterfly buff can help out here.
I snapped this one today in my yard, just after a torrential thunderstorm so the poor thing is a bit battered. Looking it up in my books I think it is most like a winter female Tailed Orange on the underside. However it wasn't orange on top, at first I thought it was white, but on closer inspection it was more a deep cream. The front wing tips had dark edges on top but it would only settle with them shut and was very busy on the move so I couldn't catch the topside. Any hope of an ID?

Another pic in case it helps. I'm in Texas just NW of the Dallas Fort Worth metroplex in case location is critical to the ID

buddleia

I think that you have a Mexican Yellow Eurema mexicanum http://www.sasionline.org/Coronado/pages/Pieridae/E_mexicanum.html
a close cousin of the Tailed orange Eurema proterpia

Thanks a bunch kennedyh I knew you would come up trumps! I had ignored that one because the picture in my book is so yellow, but yours is just right.
Yes I know its sitting on a Buddleia sylvi74! But well spotted anyway.

Awesome! I've learned something new! I have never seen this butterfly before or even heard of it. Great reminder for me to ask for another book for Christmas since this isn't in either of mine. I've got that same color butterfly bush too. Everyone seems to love it.

I strongly recommend the National Audubon Society Field Guide to North American Butterflies, which covers every butterfly in the USA

I'm sorry, I was just teasing because I was in a goofy mood! I love butterflies and buddleia smells so good.

Hi Sylvi - I guessed you were - no wories!!

That is the book I use Kennedyh, and this is the first time I have had a real problem with using it. Is there a sex or season difference in colour on the Mexican Yellow as there is on the tailed Orange? If there is that would explain mine being paler than my books illustration.

The dewsciption ion the book says "HW below bright yellow to yellow-green with light to heavy rust-coloured dusting" I think yours is just one with the heavy dusting!!