Leps by Fieldguide is a community field guide, created and edited by those who share a commitment to catalog all 175,000+ species of moths and butterflies around the world.

It's a simple way to use your smartphone to catalog Lepidoptera both in the collection and in the field.

Snap to identify ~
Fieldguide analyzes your moth/butterfly photo to suggest possible IDs that can be later verified by experts.

Record your observations ~
Fieldguide arranges your observations into a dynamic checklist. When taxonomic treatments change, your records update automatically.

Showcase your collection ~
Sharing collection data builds a richer picture of phenology and distribution.