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.

Get your BAMONA Gear!

Hoodies and t-shirts in two designs!


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

Mourning Cloak
May 16, 2024
United States, West Virginia, Nicholas County
Fulvous Hairstreak
May 16, 2024
United States, Florida, Sarasota County
May 16, 2024
Canada, Ontario
May 16, 2024
United States, Pennsylvania, Lancaster County
Spicebush Swallowtail
May 16, 2024
United States, New York, Nassau County
Megarus Scrub-Hairstreak
May 16, 2024
Costa Rica
May 16, 2024
Litchfield County, Connecticut, United States
May 16, 2024
Allegheny County, Pennsylvania, United States
May 16, 2024
United States, Washington, Cowlitz County
May 16, 2024
United States, Washington, Mason County
May 16, 2024
United States, Washington, Island County
Celery Leaftier Moth
May 15, 2024
Canada, Ontario