Wow, they're also called Citrus Swallowtail. Get an eye-full here:
http://www.google.co.vi/search...
Sad to say, there's another swallowtail that's a swift flyer, and that's a real bad guy for citrus. A smaller butterfly, and pale cream colored with black stripes and markings. On its' way to Florida from South America. I've seen a few here. Tho' I don't have a photo.
