Spicebush Swallowtail August 8, 2011 //= __('By', 'sage'); ?>//= get_author_posts_url(get_the_author_meta('ID')); ?>//= get_the_author(); ?> Spicebush Swallowtail, (Papilio troilus) I photographed this Spicebush Swallowtail on the Cardinal Flower as I waited for a hummingbird to come by.