Monarch Butterfly (Danais Archippus) from Moths and butterflies of the United States (1900) by Sherman F. Denton (1856-1937).… Free Image from public domain license 
Green birdwing (Ornithoptera priamus) illustrated by Charles Dessalines D' Orbigny (1806-1876). Digitally enhanced from our… Free Image from public domain license 
Idomeneus or Great occidental butterfly illustration from The Naturalist's Miscellany (1789-1813) by George Shaw (1751-1813) Free Image from public domain license 
Eastern Tiger Swallowtail (Papilio Turnus) from Moths and butterflies of the United States (1900) by Sherman F. Denton (1856… Free Image from public domain license 
Promethea Silkmoth - Female (Attacus Promethia) from Moths and Butterflies of the United States (1900) by Sherman F. Denton… Free Image from public domain license 
Regal Fritillary (Argynnis Idalia) from Moths and butterflies of the United States (1900) by Sherman F. Denton (1856-1937).… Free Image from public domain license 
Attacus Atlas Moth (Attacus Aurora) illustrated by Charles Dessalines D' Orbigny (1806-1876). Digitally enhanced from our own… Free Image from public domain license 
Zebra Longwing (Heliconia Charitonia) from Moths and butterflies of the United States (1900) by Sherman F. Denton (1856… Free Image from public domain license 
Orange Sulphur (Colias Eurytheme) from Moths and butterflies of the United States (1900) by Sherman F. Denton (1856-1937).… Free Image from public domain license 
Tropical Leafwing (Paphia Troglodyta) from Moths and butterflies of the United States (1900) by Sherman F. Denton (1856… Free Image from public domain license 
Caterpillar from Insects and Fruits (1660–1665) by Jan van Kessel. Original from The Rijksmuseum. Digitally enhanced by… Free Image from public domain license 
Collection of moths illustrated by Charles Dessalines D' Orbigny (1806-1876). Digitally enhanced from our own 1892 edition of… Free Image from public domain license 
Different types of moths illustrated by Charles Dessalines D' Orbigny (1806-1876). Digitally enhanced from our own 1892… Free Image from public domain license 
Polyphemus Moth (Telea Polyphemus) from Moths and Butterflies of the United States (1900) by Sherman F. Denton (1856-1937).… Free Image from public domain license 
Different types of butterfly illustrated by Charles Dessalines D' Orbigny (1806-1876). Digitally enhanced from our own 1892… Free Image from public domain license 
Icarus or Papilio Icarus illustration from The Naturalist's Miscellany (1789-1813) by George Shaw (1751-1813) Free Image from public domain license 
Orange Giant Sulphur (Callidryas Agarithe) from Moths and butterflies of the United States (1900) by Sherman F. Denton (1856… Free Image from public domain license 
Green-banded tailed butterfly or Orontes illustration from The Naturalist's Miscellany (1789-1813) by George Shaw (1751-1813) Free Image from public domain license 
Illustration of papilio from Zoological lectures delivered at the Royal institution in the years 1806-7 illustrated by George… Free Image from public domain license 
Automeris Janus illustration from The Naturalist's Miscellany (1789-1813) by George Shaw (1751-1813) Free Image from public domain license