GLOWING, GLOWING, GONE.
Fireflies light up our yards on hot summer nights, and many of us have cherished memories of them. But fireflies are disappearing all over the country—and all over the world.A resource for firefly lovers—and scientists
Firefly.org is a website with two missions: to support firefly research and conservation, and to spread the message that fireflies need our help.
Why Are Fireflies Disappearing?
Like Fourth-of-July fireworks, cool swims on hot days, and lazy vacations, fireflies are a sign of summer. Many of us have cherished memories of spotting and catching them during warm summer evenings and running through fields that sparkled as if strewn with stars. But there are signs our kids may not grow up with the same firefly memories we had.Learn More

How Can I Help Fireflies Recover?
Fireflies are disappearing all over the world, and it’s believed to be because of human encroachment on habitat and increased light pollution from development and traffic. But there are a few things you can do to help fireflies make a comeback in your area.Learn More

Facts About Fireflies
Interested in learning more about fireflies? Here are a few fascinating facts you may not know. Learn how fireflies talk to each other with light, how long fireflies live, where they are found, and how they are scientifically useful.Learn More
Learn About Different Types of Fireflies
Scientifically, fireflies are classified under Lampyridae, a family of insects within the beetle order Coleoptera, or winged beetles. There are estimated to be 2000+ firefly species spread across temperate and tropical zones all over the world. Start here to learn about the different genera and species across the world. Read MoreFlash Guide to Texas Fireflies
We’ve put together the first comprehensive field guide to Texas fireflies ever published. See flash patterns, habitat and distribution info, and identification at a glance for the main genera in Texas. Read MoreHow to Build Firefly Habitat
Gardeners often don’t realize gardens make for great firefly habitat, helping to replace lost natural habitat. The common firefly — the Big Dipper firefly (Photinus pyralis) — readily takes to an organic habitat. The trick is to make your garden as inviting as possible for fireflies to take up residence. Read More