Viceroy (Limenitis Disippus) from Moths and butterflies of the United States (1900) by Sherman F. Denton (1856-1937).… 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 
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 
Gulf Fritillary (Agraulis Vanillae) from Moths and butterflies of the United States (1900) by Sherman F. Denton (1856-1937).… Free Image from public domain license 
Painted Lady (Pyrameis Cardui) from Moths and butterflies of the United States (1900) by Sherman F. Denton (1856-1937).… Free Image from public domain license 
Atlantis Fritillary (Argynnis Atlantis) from Moths and butterflies of the United States (1900) by Sherman F. Denton (1856… Free Image from public domain license 
Darling Underwing (Catocala Cara) and under side from Moths and Butterflies of the United States (1900) by Sherman F. Denton… 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 
Bella Moth (Utetheisia Bella) from Moths and butterflies of the United States (1900) by Sherman F. Denton (1856-1937).… 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 
Zebra Longwing (Heliconia Charitonia) from Moths and butterflies of the United States (1900) by Sherman F. Denton (1856… Free Image from public domain license 
Aphrodite Fritillary (Argynnis Aphrodite) from Moths and butterflies of the United States (1900) by Sherman F. Denton (1856… Free Image from public domain license 
Sleepy Orange (Terias Nicippe) from Moths and butterflies of the United States (1900) by Sherman F. Denton (1856-1937).… 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 
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 
Cecropia Moth (Attacus Cecropia) from Moths and Butterflies of the United States (1900) by Sherman F. Denton (1856-1937).… Free Image from public domain license 
Promethea Silkmoth - Male (Attacus Promethia) from Moths and Butterflies of the United States (1900) by Sherman F. Denton… Free Image from public domain license 
Variegated Fritillary (Euptoieta Claudia) from Moths and butterflies of the United States (1900) by Sherman F. Denton (1856… Free Image from public domain license 
Blue Swallowtail (Papilio Philenor) from Moths and butterflies of the United States (1900) by Sherman F. Denton (1856-1937).… Free Image from public domain license 
Papilio Ajax from Moths and butterflies of the United States (1900) by Sherman F. Denton (1856-1937). Digitally enhanced from… Free Image from public domain license 
Small Cabbage White (Pieris Rapae) from Moths and butterflies of the United States (1900) by Sherman F. Denton (1856-1937).… Free Image from public domain license 
Cloudless Sulphur (Callidryas Eubule) from Moths and butterflies of the United States (1900) by Sherman F. Denton (1856… Free Image from public domain license 
Clouded Sulphur (Colias Philodice) from Moths and butterflies of the United States (1900) by Sherman F. Denton (1856-1937).… Free Image from public domain license 
Southern Dogface (Meganostoma Caesonia) from Moths and butterflies of the United States (1900) by Sherman F. Denton (1856… Free Image from public domain license 
Julia butterfly (Colaenis Julia) from Moths and butterflies of the United States (1900) by Sherman F. Denton (1856-1937).… Free Image from public domain license 
Great Spangled Fritillary (Argynnis Cybele) from Moths and butterflies of the United States (1900) by Sherman F. Denton (1856… Free Image from public domain license 
Buckeye (Junonia Coenia) from Moths and butterflies of the United States (1900) by Sherman F. Denton (1856-1937). Digitally… Free Image from public domain license 
Eyed Brown Butterfly (Neonympha Canthus) from Moths and Butterflies of the United States (1900) by Sherman F. Denton (1856… Free Image from public domain license 
Peachtree Borer (Aegeria exitiosa) - Female from Moths and butterflies of the United States (1900) by Sherman F. Denton (1856… Free Image from public domain license 
Morning Glory Prominent Moth (Coelodasys biguttata) from Moths and butterflies of the United States (1900) by Sherman F.… Free Image from public domain license 
Larva of Attacus cecropia (Cecropia Moth) from Moths and butterflies of the United States (1900) by Sherman F. Denton (1856… Free Image from public domain license 
Western Striped Cutworm (Agrotis herilis) from Moths and butterflies of the United States (1900) bySherman F. Denton (1856… Free Image from public domain license 
Setaceous Hebrew Character (Agrotis c-nigram) from Moths and butterflies of the United States (1900) by Sherman F. Denton… Free Image from public domain license 
Drasteria erechtea from Moths and butterflies of the United States (1900) by Sherman F. Denton (1856-1937). Digitally… Free Image from public domain license 
Sleepy Underwing (Catocala concumbens) from Moths and butterflies of the United States (1900) by Sherman F. Denton (1856… Free Image from public domain license 
from Moths and butterflies of the United States (1900) by Sherman F. Denton (1856-1937). Digitally enhanced from our own… Free Image from public domain license 
Chickweed Geometer (Haematopis grataria) from Moths and butterflies of the United States (1900) by Sherman F. Denton (1856… Free Image from public domain license 
Spring Cankerworm (Anisopteryx autumnata) from Moths and butterflies of the United States (1900) by Sherman F. Denton (1856… Free Image from public domain license 
Linden Looper (Hybernia tiliaria) from Moths and butterflies of the United States (1900) by Sherman F. Denton (1856-1937).… Free Image from public domain license 
Spring Cankerworm (Anisopteryx vernata) from Moths and butterflies of the United States (1900) by Sherman F. Denton (1856… Free Image from public domain license 
Large Ivy Twist Moth (Lozotaenia cerasiovorana) from Moths and butterflies of the United States (1900) by Sherman F. Denton… Free Image from public domain license 
Twenty-plume Moth (Alucita hexadactyla) from Moths and butterflies of the United States (1900) by Sherman F. Denton (1856… Free Image from public domain license 
Various Forms of Plume Moths 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 
Giant mantis shrimp (Squilla Maculata) illustrated by Charles Dessalines D' Orbigny (1806-1876). Digitally enhanced from our… Free Image from public domain license 
Eastern dobsonfly (Corydalus cornutus) illustrated by Charles Dessalines D' Orbigny (1806-1876). Digitally enhanced from our… 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 
Collection of hand drawings of butterflies illustrated by Charles Dessalines D' Orbigny (1806-1876). Digitally enhanced from… Free Image from public domain license 
Goliathus cacicus illustrated by Charles Dessalines D' Orbigny (1806-1876). Digitally enhanced from our own 1892 edition of… Free Image from public domain license 
Enoplocerus Armillatus illustrated by Charles Dessalines D' Orbigny (1806-1876). Digitally enhanced from our own 1892 edition… Free Image from public domain license 
Grasshopper of six points (Locusta sexpunctata) illustrated by Charles Dessalines D' Orbigny (1806-1876). Digitally enhanced… Free Image from public domain license 
Collection of butterflies illustrated by Charles Dessalines D' Orbigny (1806-1876). Digitally enhanced from our own 1892… 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 
Chrysina Macropus (Chrysophora Macropa) and Eastern Hecules Beetle (Scarabaeus Hyllus) illustrated by Charles Dessalines D'… Free Image from public domain license 
Different types of insects illustrated by Charles Dessalines D' Orbigny (1806-1876). Digitally enhanced from our own 1892… 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 
Different types of moths illustrated by Charles Dessalines D' Orbigny (1806-1876). Digitally enhanced from our own 1892… 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 
Different types of insects illustrated by Charles Dessalines D' Orbigny (1806-1876). Digitally enhanced from our own 1892… Free Image from public domain license 
Different types of weevils illustrated by Charles Dessalines D' Orbigny (1806-1876). Digitally enhanced from our own 1892… Free Image from public domain license 
Different types of dragonflies illustrated by Charles Dessalines D' Orbigny (1806-1876). Digitally enhanced from our own 1892… Free Image from public domain license 
Different types of beetles illustrated by Charles Dessalines D' Orbigny (1806-1876). Digitally enhanced from our own 1892… Free Image from public domain license 
Gian cicuda (Cicada speciosa) illustrated by Charles Dessalines D' Orbigny (1806-1876). Digitally enhanced from our own 1892… 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 bugs illustrated by Charles Dessalines D' Orbigny (1806-1876).Digitally enhanced from our own 1892 edition… Free Image from public domain license 
Collection of insects illustrated by Charles Dessalines D' Orbigny (1806-1876). Digitally enhanced from our own 1892 edition… 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 beetles illustrated by Charles Dessalines D' Orbigny (1806-1876). Digitally enhanced from our own 1892… Free Image from public domain license 
Different types of beetles illustrated by Charles Dessalines D' Orbigny (1806-1876). Digitally enhanced from our own 1892… 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 
Different types of insects illustrated by Charles Dessalines D' Orbigny (1806-1876). Digitally enhanced from our own 1892… Free Image from public domain license 
Different types of beetles illustrated by Charles Dessalines D' Orbigny (1806-1876). Digitally enhanced from our own 1892… Free Image from public domain license 
Different types of insects illustrated by Charles Dessalines D' Orbigny (1806-1876). Digitally enhanced from our own 1892… Free Image from public domain license 
Different types of beetles illustrated by Charles Dessalines D' Orbigny (1806-1876). Digitally enhanced from our own 1892… Free Image from public domain license 
Different types of insects illustrated by Charles Dessalines D' Orbigny (1806-1876). Digitally enhanced from our own 1892… Free Image from public domain license 
Different types of beetles illustrated by Charles Dessalines D' Orbigny (1806-1876). Digitally enhanced from our own 1892… Free Image from public domain license 
Different types of beetles illustrated by Charles Dessalines D' Orbigny (1806-1876). Digitally enhanced from our own 1892… Free Image from public domain license 
Different types of beetles illustrated by Charles Dessalines D' Orbigny (1806-1876). Digitally enhanced from our own 1892… Free Image from public domain license