Lepidoptera Species Scanner

Free Butterfly & Moth Identifier by Picture

Snap or upload a photo of any butterfly, moth, or caterpillar. Our 100% free AI tool identifies wing patterns, scientific names, lifecycle stages, and preferred host plants in seconds.

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Free Online Butterfly & Moth Identifier

Upload a butterfly or moth photo, or test with our sample presets below for instant identification and habitat details.

Monarch Butterfly
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99.4% AI Match ConfidenceLepidoptera • Nymphalidae

Monarch Butterfly

Danaus plexippus

Completely Harmless & Beneficial Pollinator

Non-toxic to humans and pets, but stores cardiac glycosides from milkweed which tastes foul to bird predators.

Species Overview

Iconic North American butterfly renowned for its striking orange wings laced with black veins and white border spots. Famous for multi-generational annual migrations.

Natural Habitat

Fields, meadows, gardens with milkweed

Typical Diet

Flower nectar (adults), milkweed leaves (caterpillars)

Key Identification Features

  • Vibrant orange wings with black borders
  • White polka dots along margins
  • Slender black body
  • Clubbed antennae
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How to Identify Butterfly Species by Picture

Butterflies are celebrated for their dazzling wings, but similar species often mimic one another. Here are the key diagnostic areas our AI examines:

1. Dorsal vs. Ventral Wings

The upper side (dorsal) of a butterfly's wing often features vivid colors for mate attraction, while the underside (ventral) provides camouflage or cryptic leaf patterns when resting.

2. Host Plant & Habitat

Many butterflies depend on specific plant families for egg-laying and caterpillar feeding. Noting what shrub, wildflower, or tree the insect landed on provides vital identification confirmation.

3. Antenna Structure

Check the antenna tip: true butterflies have long slender stalks ending in rounded clubs, skippers have hooked tips, and moths have comb-like or feathery antennae without clubs.

Popular Butterfly & Moth Families
Swallowtails (Papilionidae)Large wings with distinct tail extensions on hindwingse.g. Eastern Tiger, Black Swallowtail
Brush-Footed (Nymphalidae)Walk on 4 legs with reduced front legs held against bodye.g. Monarch, Painted Lady, Red Admiral
Giant Silk Moths (Saturniidae)Massive wingspans, feathery antennae, nocturnale.g. Luna Moth, Cecropia, Polyphemus

Butterfly Identification FAQs

Quick answers on how to identify butterflies, caterpillars, and moths using photos.