Butterflies and Moths of North America

collecting and sharing data about Lepidoptera


National Moth Week is July 18-26, 2020

Finding moths is a perfect social distancing activity! No need to meet with a big group; just check out a nearby park or building in the dark.

Learn more about National Moth Week.

You can collect moth sightings and submit them to us as part of National Moth Week. Find out how to share your National Moth Week sightings with Butterflies and Moths of North America.

Google Chrome photo upload AJAX error fixed June 3

Update June 3: Bug fix is complete!

Starting around May 22, 2020, some users have reported errors they received while trying to submit sightings to BAMONA using the Google Chrome internet browser. We are aware of the bug , and it is being actively worked on. We will update this post when the bug is fixed.

National Moth Week July 20-28, 2019 Celebrates Nature’s Unheralded Pollinators

Moths’ vital role as nature’s often unheralded nighttime pollinators will be spotlighted during the 8th Annual National Moth Week, July 20-28.

National Moth Week (NMW) invites moth enthusiasts – a.k.a. “moth-ers” – of all ages and abilities to participate in this worldwide citizen science project that literally shines a light on moths, their beauty, ecological diversity and critical role in the natural world

It is National Moth Week July 22-30, 2017!

If you missed it in past years, plan to get involved this year!

Getting involved is easy: attend a National Moth Night event, start an event, join friends and neighbors to check porch lights from time to time, set up a light and see what is in your own backyard, or read literature about moths, etc. Visit the National Moth Week website for more information, or learn how to register.

If you take part in National Moth Week, you can provide your data to us. Take photographs of the moths you find, and come share your sightings with BAMONA. You will need to register for an account, but it is quick and easy to do, and logged in users can track their submissions. Simply take a photograph of a moth, and submit that information to us via our online submission form. Make sure to select "National Moth Week" under the list of Partner Projects.

We'll add the verified records to the database, maps, and checklists, and your data will become part of a growing dataset. To see the records that have been verified so far, visit the National Moth Week Data Explorer.