Pesticides, habitat loss, and light pollution are threatening firefly populations worldwide, but even in urban areas, some ...

In one sense, it’s odd to associate any firefly with youth, for by the time we see them lighting up our nights, they are ...

After struggling over the last few years, the Chicago area's firefly population seems to be enjoying a "pretty good year," ...

And New York had plenty of rain to go around—May alone saw precipitation on 18 days. That’s helped fuel a flashier-than-usual ...

Fireflies light up summer nights across the Carolinas, but climate change, habitat loss and light pollution threaten their ...

But few would guess that the common eastern firefly (Photinus pyralis) is one of more than 2,000 firefly species worldwide.

And Photinus pyralis, the firefly species most commonly found in New York City, seems to be thriving this summer, according to Hietala-Henschell.

What these species get replaced with is the common firefly Photinus pyralis [which] is more of a habitat generalist and can tolerate more habitat types," Pfeiffer adds.

Photinus pyralis, better known as the big dipper firefly, is the most common firefly in the Northern US and produces the yellow-green flash you’re used to seeing. But be on the lookout for other ...

Luciferase is a common bioluminescent enzyme found in the firefly Photinus pyralis. It catalyses the oxidation of firefly luciferin in the presence of magnesium ions and adenosine-5'-triphosphate.