KELLETTVILLE, Pa. ― Every year in late June, Peggy Butler and her husband, Ken, welcome visitors to rural northwestern Pennsylvania for the chance to glimpse the rare and beguiling Photinus carolinus.

The sun set just a half hour ago as you casually sit in your backyard enjoying the summer skies and then look about at the flashes of light that pop above your lawn. Fireflies, aka lightning bugs, ...

Around the country, firefly populations have reached historically low numbers. At one time, they lit up the night with their blinking mating calls. Today, these luminescent insects are quietly ...

PENNSYLVANIA (WHTM) — Fireflies are a beloved sign of summer and Pennsylvania’s state insect, but along with other insects around the globe, experts worry that their populations are declining due to ...

Visit Indy, Lafayette, and New Harmony to learn about our state insect, the Say’s Firefly. The firefly. The lightning bug. The romance of early summer in Indiana has always been a twinkling glow of ...

CHICAGO — Beatriz Swanson can remember the first time she saw the blinking glow. She was 10 years old, growing up in Mexico, when two fireflies appeared in front of her, floating away before she could ...

Fireflies light up at Hummel Park in Omaha on Monday, June 30, 2025. Beatriz Swanson can remember the first time she saw the blinking glow. She was 10 years old, growing up in Mexico, when two ...