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North American Collection • 4 Core Silos
Wild Sanctuary Standards• Native Biomes

The Art of Metamorphosis

A curated visual archive and field guide organized across 4 foundational pillars: Classroom Education, Backyard Habitat Botany, Conservation & Endangered Taxa, and Ethical Husbandry.

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Content Silos

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Native Science

ESA

Recovery Protocols

Educator & Conservation Protocol: Designed for teachers, homeschooling pods, and naturalists. Features sterile diet cup protocols, observation printables, and NGSS K-8 lesson plans.

Special Report & Biosecurity Self-Assessment
Danaus plexippus on Wildflower

Featured Field Specimen

Danaus plexippus

The Monarch — Asclepias host obligate

01. Ovum Phase3–5 Days
02. Larva Phase9–14 Days (5 Instars)
03. Chrysalis Pupa10–14 Days
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Visual Key

Caterpillar Identifier

Filter by textures, spines, stripes & host plants

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USDA Phenology

Planting & Emergence Calendar

Zone 3–9 frost dates, seed chill & brood timing

Native Field Archive

North American Butterfly Species

Select a species to view full lifecycle photography, instar development milestones, native host flora pairings, and ethical husbandry guidelines.

16 of 16 Native Species
Region:
Egg to adult:
Host plants:
PLATE I8.9 – 10.2 cm
Danaus plexippus (Linnaeus, 1758)adult Plate
Danaus plexippus~26d cycle

Monarch Butterfly

The iconic North American wanderer celebrated for its epic multi-generational migration to central Mexico and coastal California.

Larval Host Flora:
Common MilkweedSwamp Milkweed+2 more
PLATE II6.7 – 8.4 cm
Papilio polyxenes (Fabricius, 1775)adult Plate
Papilio polyxenes~30d cycle

Eastern Black Swallowtail

A resilient, velvety black butterfly with striking blue and yellow markings. Extremely rewarding for backyard gardeners with herb patches.

Larval Host Flora:
DillFennel+3 more
PLATE II7.9 – 14.0 cm
Papilio glaucus (Linnaeus, 1758)adult Plate
Papilio glaucus~37d cycle

Eastern Tiger Swallowtail

One of the largest and most majestic butterflies in North America, sporting brilliant tiger stripes and false eye spots on mature larvae.

Larval Host Flora:
Tulip PoplarSweetbay Magnolia+2 more
PLATE III6.5 – 9.5 cm
Agraulis vanillae (Linnaeus, 1758)adult Plate
Agraulis vanillae~25d cycle

Gulf Fritillary

A radiant orange southern resident with shimmering silver underwing spangles, strictly dependent on native passionvines (Passiflora).

Larval Host Flora:
Purple Passionflower / MaypopCorkystem Passionflower+1 more
PLATE III7.0 – 10.0 cm
Battus philenor (Linnaeus, 1771)adult Plate
Battus philenor~33d cycle

Pipevine Swallowtail

An iridescent cobalt blue swallowtail containing sequestered aristolochic acid toxins from Dutchman’s pipe (Aristolochia).

Larval Host Flora:
Dutchman’s PipeVirginia Snakeroot+1 more
PLATE IV5.1 – 7.3 cm
Vanessa cardui (Linnaeus, 1758)adult Plate
Vanessa cardui~24d cycle

Painted Lady (Cosmopolitan)

The most widespread butterfly in the world, capable of fast-paced multi-host rearing on mallow, thistles, and borage.

Larval Host Flora:
ThistlesCommon Mallow+5 more
PLATE V8.0 – 11.5 cm
Actias luna (Linnaeus, 1758)adult Plate
Actias luna~53d cycle

Luna Moth

A luminous, ethereal emerald green silkmoth with elongated sweeping tails. Adults do not feed and live purely to reproduce.

Larval Host Flora:
SweetgumHickory+3 more
PLATE VI4.5 – 6.4 cm
Vanessa atalanta (Linnaeus, 1758)adult Plate
Vanessa atalanta~27d cycle

Red Admiral

A territorial, energetic flyer with vibrant crimson bands, feeding exclusively on nettles (Urtica dioica and Boehmeria).

Larval Host Flora:
Stinging NettleWood Nettle+2 more
PLATE IX6.2 – 10.2 cm
Nymphalis antiopa (Linnaeus, 1758)adult Plate
Nymphalis antiopa~39d cycle

Mourning Cloak

One of the longest-lived butterflies (up to 10 months), overwintering as an adult in tree bark and emerging during early spring snowmelt.

Larval Host Flora:
Black WillowWeeping Willow+3 more
PLATE X4.5 – 7.0 cm
Junonia coenia (Hübner, 1822)adult Plate
Junonia coenia~26d cycle

Common Buckeye

A swift, sun-loving butterfly recognized by its large target-like eyespots and iridescent violet-blue centers designed to startle predators.

Larval Host Flora:
Narrowleaf PlantainBroadleaf Plantain+3 more
PLATE XI6.3 – 7.9 cm
Phoebis sennae (Linnaeus, 1758)adult Plate
Phoebis sennae~28d cycle

Cloudless Sulphur

A radiant lemon-yellow flyer with strong northward summer migrations, feeding on native senna and partridge pea (Cassia).

Larval Host Flora:
Partridge PeaWild Senna+2 more
PLATE XII6.4 – 9.0 cm
Protographium marcellus (Cramer, 1777)adult Plate
Protographium marcellus~35d cycle

Zebra Swallowtail

A delicate white-and-black triangular flyer with sword-like tail streamers, strictly dependent on native pawpaw trees (Asimina triloba).

Larval Host Flora:
PawpawSmallflower Pawpaw+1 more
PLATE XIII7.6 – 10.2 cm
Papilio troilus (Linnaeus, 1758)adult Plate
Papilio troilus~34d cycle

Spicebush Swallowtail

Famous for its stunning false-snake eye larva that rolls sassafras and spicebush leaves into secure daytime sleeping tents.

Larval Host Flora:
Northern SpicebushSassafras+2 more
PLATE XIV10.2 – 16.0 cm
Papilio cresphontes (Cramer, 1777)adult Plate
Papilio cresphontes~37d cycle

Giant Swallowtail

The largest butterfly in North America, whose bizarre bird-dropping mimic caterpillars feed on native prickly ash and hoptree.

Larval Host Flora:
Common RueCommon Prickly Ash+3 more
PLATE XV6.7 – 7.8 cm
Limenitis archippus (Cramer, 1776)adult Plate
Limenitis archippus~27d cycle

Viceroy Butterfly

The famous Müllerian mimic of the Monarch, featuring a distinct transverse black line across its hindwings, feeding on willows and poplars.

Larval Host Flora:
Black WillowSandbar Willow+3 more
PLATE XVI13.0 – 18.0 cm
Hyalophora cecropia (Linnaeus, 1758)adult Plate
Hyalophora cecropia~66d cycle

Cecropia Silkmoth

North America’s largest native moth, spanning up to 6–7 inches. Features rich russet-red, mahogany, and white crescent crescents, and an extraordinary multi-colored tuberculate larva.

Larval Host Flora:
Black CherrySilver Maple+5 more
Taxonomic Keys & Phenology Engines

Connect Species with Life Cycles, Botany, and Field Guides

Cross-Silo Resources
Visual Field Key

Caterpillar & Chrysalis Identifier →

Identify mystery larvae by body stripes, fleshy filaments, branching spines, and host plant associations.

Interactive Tool
Phenology Calendar

Regional Planting & Flight Waves →

Look up frost dates, spring emergence windows, and autumn southward migration departure timelines.

Regional Guide
Larval Anatomy

Instar Stages & J-Hang Anatomy →

Head capsule micrometers, frass production rates, and silk button spinning mechanics.

15 min Master Guide
Pupal Health

Chrysalis Emergencies & Parasites →

Diagnose tachinid fly strings, black death liquid decay, and safe pre-eclosion discoloration.

13 min Master Guide
Foundational Architecture

Explore The 4 Content Silos

Every resource, printable, and calculator is rooted in verifiable entomological science, native biodiversity preservation, and cruelty-free husbandry.

Comprehensive Guides
Silo 01 • Education

Classroom Hub

Painted Lady 4-week school calendar, printable observation journals, student lab duties, and NGSS K-8 curricula.

Enter Classroom
Silo 02 • Habitat & Botany

Backyard Botany

Host vs nectar botany, 4 garden bed blueprints, DIY puddlers, soil calculators, and organic gear pairings.

Explore Flora
Silo 03 • High Authority

Save a Species

Monarch & bumblebee declines, pesticide science, waystation conversion criteria, and citizen science monitoring.

View Science
Silo 04 • Husbandry

Ethical Raising

Sterile mesh hygiene, instar feeding intervals, OE diagnostic microscopy, and safe pupation handling techniques.

Read Handbook
Interactive Junior Academy & Games

Metamorphosis Hatchery Simulator & Personality Quest

Raise virtual caterpillars from microscopic eggs to flying adults, discover "Which Butterfly Are You?" in our illustrated quiz, test your reflexes in the leaf-crunch arcade, and print your official Junior Lepidopterist Certificate!

Play Games Now
Field Ethics & Citizen Science

Wild Sanctuary Preservation Manifesto

Raising butterflies in classrooms and homes should never replace wild habitat restoration. We advocate for a "Habitat-First" model where 10 native host plants are established in the ground for every single caterpillar studied indoors.