Chrysalis of Satyrus (Satyr). Digitally enhanced from our own publication of Moths and butterflies of the United States… https://www.rawpixel.com/image/403590/free-illustration-image-chrysalis-butterfly-cocoonFree Image from public domain licensePupae of Sphinx Moth. Digitally enhanced from our own publication of Moths and butterflies of the United States (1900) by… https://www.rawpixel.com/image/403582/free-illustration-image-cocoon-butterfly-insectsFree Image from public domain licenseDifferent types of seashells illustration from Zoology of New York (1842–1844) by James Ellsworth De Kay. Original… https://www.rawpixel.com/image/329403/free-illustration-image-sea-shell-seashellFree Image from public domain licenseLarva of Apatura (Emperors). Digitally enhanced from our own publication of Moths and butterflies of the United States… https://www.rawpixel.com/image/403591/free-illustration-image-cocoon-pupa-butterflyFree Image from public domain licensePupae of Sphinx Moth. Digitally enhanced from our own publication of Moths and butterflies of the United States (1900) by… https://www.rawpixel.com/image/403583/free-illustration-image-cocoon-butterflyFree Image from public domain licenseLarva of Everyx myron. Digitally enhanced from our own publication of Moths and butterflies of the United States (1900) by… https://www.rawpixel.com/image/403584/free-illustration-image-animals-hand-and-feet-1900sFree Image from public domain license