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