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.

PHILADELPHIA (WPVI) -- Did you know that the firefly is the Pennsylvania state bug? Fireflies, or lightning bugs as many people call them, have been lighting up our summer nights for as long as we can ...

PENNSYLVANIA (WHTM) — The Keystone State has its own flower, tree, dog, song, and bird. But did you know that the state has its own designated insect? The Pennsylvania Firefly, also known as a ...

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. This firefly ...

KELLETTVILLE ― 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. This ...

It’s not easy counting fireflies. Across North America, there are an estimated 170 fireflies species, which are technically beetles in the order Coleoptera, but inventorying them is a challenge. While ...

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, ...