Swallowtail caterpillar Swallowtail caterpillar feeding on fennel. License License this image from Alamy Keywords butterfly caterpillar common yellow swallowtail fennel insect nature old world swallowtail outdoors papilio machaon papilionidae swallowtail wildlife More from this shoot Swallowtail caterpillar Swallowtail caterpillar Swallowtail caterpillar Swallowtail caterpillar Swallowtail caterpillar Swallowtail caterpillar Swallowtail caterpillar
