Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

Butterflies and Moths of North America (BAMONA) is an ambitious effort to collect, store, and share species information and occurrence data. You can participate by taking and submitting photographs of butterflies, moths, and caterpillars.

Explore the variety of moths and butterflies in North America. Choose a region to find photographs, Top 20 species, and regional species checklists.

Get involved in the project. Submit photographs of your sightings, or share your expertise and help us review and verify submissions.

Discover our maps and data. Find recently verified sightings, or search and browse the sightings database.

Learn more about this project. We aim to fill the needs of scientists and nature observers by bringing verified occurrence and life history data into one location.

Get help identifying a butterfly, moth, or caterpillar. It is a trade: you help us collect verifiable data, and we will try to identify the species.

Browse stunning images hand-selected for the BAMONA image gallery.


Advertise with us!

Do you have a product or service that you think would interest BAMONA users? If you would like to advertise on this website, contact us by email, or use the contact form and select the "Advertising" category.


Recent Sightings

Apr 27, 2025
United States, Washington, Skagit County
Common Buckeye
Apr 27, 2025
United States, Florida, Monroe County
Common Buckeye
Apr 27, 2025
United States, Florida, Monroe County
Lyside Sulphur
Apr 27, 2025
United States, Florida, Monroe County
Ranchman's Tiger Moth
Apr 27, 2025
United States, Washington, Island County
Apr 27, 2025
United States, Washington, Island County
Mottled Gray Carpet
Apr 27, 2025
United States, Washington, Island County
Apr 26, 2025
Canada, British Columbia
Hop Vine Moth
Apr 26, 2025
Canada, British Columbia
Apr 26, 2025
Canada, British Columbia
Apr 26, 2025
Canada, British Columbia
Speckled Green Fruitworm Moth
Apr 26, 2025
Canada, British Columbia