eastern black swallowtail caterpillar

5th america animal beautiful black bug butterfly caterpillar close closeup coloration control cute destructive dill dorsal early eastern eating england fennel food garden gardening insect instar jersey larva lek macro mimic mimicry nature new nuisance oklahoma papilio parsley parsnip pest plant polyxenes pretty problems pupate raising ready state swallowtail warning weed wildlife worm