National Moth Week National Moth Week 2021, July 17-25

National Moth Week 2021, July 17-25

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 National Moth Week celebrates the beauty, life cycles, and habitats of moths. “Moth-ers” of all ages and abilities are encouraged to learn about, observe, and document moths in their backyards, parks, and neighborhoods. National Moth Week is being held, worldwide, during the last full week of July. NMW offers everyone, everywhere a unique opportunity to become a Citizen Scientist and contribute scientific data about moths. Through partnerships with major online biological data depositories, NMW participants can help map moth distribution and provide needed information on other life history aspects around the globe.


Why moths?

  • Moths are among the most diverse and successful organisms on earth.
  • Scientists estimate there are 150,000 to more than 500,000 moth species.
  • Their colors and patterns are either dazzling or so cryptic that they define camouflage. Shapes and sizes span the gamut from as small as a pinhead to as large as an adult’s hand.
  • Most moths are nocturnal, and need to be sought at night to be seen – others fly like butterflies during the day.
  • Finding moths can be as simple as leaving a porch light on and checking it after dark. Serious moth aficionados use special lights and baits to attract them.

 Sounds & sights from NMW 2012 

EOL.orgThis podcast and slide show is part of the One Species at a Time series from the Encyclopedia of Life ( Hosted by Ari Daniel Shapiro and produced by Atlantic Public Media. Licensed under a Creative Commons Attributions 3.0 United States License. Link to the podcast on and more information – here.


How you can help NMW:

How to participate:

Register an event or join a public event.  Mothing can be done anywhere- at parks, nature centers, backyards and even in towns and cities. Learn more at the Finding Moths page

NMW Dates:     2021-17-25 ; 2022-23-31 ; 2023-22-30 ; 2024-20-28

Past: 2012 – July 23-29 ; 2013 – 20-28 ; 2014 – 19-27, 2015 – 18-26 ; 2016 – 23-31 ; 2017 – July 22-30 ; 2018 – July 21-29 ; 2019-July 20-28 ;  2020-July 18-26 ;



**National Moth Week is a project of the Friends of the East Brunswick Environmental Commission (Friends of EBEC), a 501c-3 nonprofit organization. All content and images on this website and materials produced for National Moth Week are the property of the Friends of EBEC and may not be reproduced without written permission from the organization, and are not for commercial use. © Friends of EBEC/National Moth Week.

National Moth Week logo design – Belen Mena

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