Larva of Limenitis ursula (Red-spotted Purple). Digitally enhanced from our own publication of Moths and butterflies of the… https://www.rawpixel.com/image/403593/free-illustration-image-animals-1900s-public-domainFree Image from public domain licenseLarva of Satyrus (Satyr). Digitally enhanced from our own publication of Moths and butterflies of the United States (1900)… https://www.rawpixel.com/image/403589/free-illustration-image-1900s-public-domain-20th-centuryFree Image from public domain licenseLarva of Coelodasys (Moth). Digitally enhanced from our own publication of Moths and butterflies of the United States… https://www.rawpixel.com/image/403573/free-illustration-image-mountains-1900s-public-domainFree Image from public domain licenseLarvae of geometrid moths. Digitally enhanced from our own publication of Moths and butterflies of the United States (1900)… https://www.rawpixel.com/image/403541/free-illustration-image-vintage-bug-1900s-public-domainFree Image from public domain licenseButterfly Scales. Digitally enhanced from our own publication of Moths and butterflies of the United States (1900) by… https://www.rawpixel.com/image/403509/free-illustration-image-vintage-scale-animal-1900sFree Image from public domain licenseLarva of Lycaena (Copper). Digitally enhanced from our own publication of Moths and butterflies of the United States (1900)… https://www.rawpixel.com/image/403588/free-illustration-image-1900s-public-domain-20th-centuryFree Image from public domain license