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
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
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
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 More
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 More
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
Your charitable donation helps fund our research and educational programs into Texas & US fireflies—as well as support the work of other scientists. It also funds our presentations across the state to educate organizations and the public about firefly conservation.
Let’s all work together to help fireflies make a comeback.
This site is a educational resource on fireflies, also known as lightning bugs. We’ve got information on why fireflies are disappearing and what you can do to help. We’ve also got answers to frequently asked questions about fireflies, from why they glow to what they eat.
In addition, you can share pictures and stories, connect with other firefly fans, and document your firefly sightings online.
Check out our online resources to learn more about fireflies—and how you can help them make a comeback.
You may know fireflies by another name, they are sometimes referred to as fireflys, lightning bugs, glow worms, or luciérnaga. Fireflies have many different names in foreign languages, here is a full list of
common and uncommon names for fireflies in another language.
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