Regal silkmoth (citheronia regalis) also known as the royal walnut moth or hickory horned devil, native to north america, close-up view of head, one of the most beautiful moths in the world

devil stripe walnut terrestrial horizontals america invertebrate native blooded animals hickory horizontal arthropods head wildlife stripey orange nature moths insecta cold one moth close up moth silkmoth insects lepidoptera regal entomology moths arthropod walnut zoology horned insect citheronia invertebrates stripes royal ectotherms royal bugs arthropoda yellow ectotherm nocturnal bug regalis winged saturniidae fauna animal ectothermic silkmoths