Stock photography, photos: Black Swallowtial Butterfly Stock photos of Black Swallowtail (Papilio polyxenes) butterfly on a red Cardinal Flower (Lobelia cardinalis) Photograph: © James Schwabel Click for a larger image and more information Keywords associated with this stock photo: pretty, Lepidoptera, showy, vibrant, vivid, Papilio polyxenes, natural, red, butterfly, beautiful, black, colorful, insect, bright, floral, flower