Fireflies


Fireflies and star trails

Celebrate World Firefly Day by Keeping Nights Dark

Published on July 5, 2019

Fireflies are some of our most well-loved insects—yet their numbers appear to be dwindling. One likely driver for this decline is light pollution. Put simply, fireflies need dark nights. This is the theme of this year’s World Firefly Day; read on for information on how to support the conservation of these beloved beetles!


Firefly jar

Keeping the Lights Burning: The Status of Fireflies in the United States and Canada

Published on October 1, 2018

If there is one thing we have discovered during our assessment effort, it is that there is still much to be learned about the world of fireflies. Xerces will continue to seek a better understanding of these enchanting animals and how best to protect them. May their lights shine on for their sakes, and for ours.