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," ...

Each of these groups have different ways of attracting mates, including quick flashes, extended glows and ultraviolet chemical signals invisible to the human eye. Photinus pyralis, better known as the ...

Two of the most common in this state we’re in are the eastern firefly, also known as the “big dipper” (Photinus pyralis), and the Pennsylvania firefly (Photuris pensylvanica).

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

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.

And Photinus pyralis, the firefly species most commonly found in New York City, seems to be thriving this summer, according to Hietala-Henschell. “They are kind of slow, they fly kind of low and ...