Yes, I agree, this is Papilio palamedes.

I noticed I had mislabled and was hoping I could change before anybody noticed :( I glad to see everybody is on their feet :) You will notice that the yellow has worn off the tails. Palamedes is one of the swallowtails that is not dimorphic, so do you determine the sex?

and say it looks female to me; however, I might be wrong. The females tend to be more "full" looking, with the wings just a tad broader, rounder, and less angular in shape. I think (need to double check this one though) that the females are also inclined to have a bit more blue above, as in the Tigers. If the abdomen was showing clearly it would be much easier, but they don't alway pose with our need to satisfy curiosity in mind.

As for posing, it is so seldom I find a swallowtail light long enough to photograph. I finally had to rear some, to get some good poses :)



NOTE: Within a month after this photo, my Gulf Fritillary caterpiggies had eaten ALL my passion vine.