Papilio glaucus
Male: Note absence of the blue markings on the hind wing typical of the male.
Auburn, Alabama
For more information on dark vs. light phases of this species see: http://nhpbs.org/natureworks/easterntiger.htm
Nikon D200
,AF-S Nikkor 24-120mm, f4.0 1/250s f/8.0 at 120.0mm iso400
full exif