Tiger Swallowtail on Butterfly Bush, Racine, Wisconsin

Racine, Wisconsin — An Eastern Tiger Swallowtail butterfly (Papilio glaucus) nectars on the flower of a Pink Delight Butterfly Bush (Buddleja davidii). Butterfly bushes have been very effective in attracting several types of swallowtails, as well as Monarchs and many other butterflies to our backyard.