Ключевые слова: animal, arthropod, arthropoda, butterfly, butterfly caterpillar, butterfly pupa, butterfly wing, caterpillar, danaina, danaus, danaus plexippus, ecdysozoa, eumetazoa, hexapoda, insect, insecta, lepidoptera, monarch butterfly, nymphalida, protostome, protostomia, pupa, tracheata,