Cloudless Giant Sulphur,  Phoebis sennae  <LEP34>

 

     This large sulphur deserves the name.  It is clear sulphurous yellow above.  The underside has a greenish tone and varying amounts of reddish dots and speckling.  Great numbers gather in the South during some years, then make mass movements toward the North.  Some individuals reach destinations well beyond their breeding range.