Just as firefly season lights up Pennsylvania fields, a new study led by Bucknell researchers is shining a light on an ...

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

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 ...

Fireflies are lighting up New York City this summer. Warm, wet weather creates ideal conditions for these glowing nighttime ...

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 ...

It’s the last day of June and I’m standing under the overhang on my back deck protected from the last drips of a rainstorm.

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

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. We haven’t seen the last of ...

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 ...

“Probably the most common species in Cumberland County is the Photinus pyralis, often called the big dipper because you often see them at dusk making a J-shaped pattern,” Sorenson said May 21.

Figure 2. Promega's DLRTM Assay System. As the sun goes down you see the recurring yet sporadic glow of fireflies around you. The flash of the common firefly (Photinus pyralis) is behavioral display ...