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The Weather Channel

Fireflies are vanishing: Where, how to see some for summer

The Weather Channel · Just In
The Weather Channel
The Weather Channel
Just In

Adult fireflies only light up the sky for two weeks before their life cycle comes to an end. Spring and summer are prime times for lightning bugs, but it’s getting harder to see them and more than a dozen species in the U.S. face extinction.

Breakdown
  • Firefly numbers are dwindling due to light pollution, drought, severe storms, and rising sea levels. 3s
  • Great Smoky Mountains National Park in Tennessee hosts a free lottery for top firefly viewing spots due to high firefly populations. 16s
  • To attract fireflies at home, avoid pesticides, plant native species, let grass grow taller, and turn off outdoor lights. 21s
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