There are greater than 2,400 species of fireflies in the US. Whereas most individuals are acquainted with the sporadic twinkling of the extra frequent species or could have heard about synchronized firefly displays, there’s a singular phenomenon solely seen in components of the southern Appalachian mountains that many haven’t heard of or seen.

Pisgah Nationwide Forest, close to Brevard, North Carolina, is likely one of the few locations blue ghost fireflies—a uncommon species that provides off a steady blue glow—name residence.

“As an alternative of the stereotypical blink, they’ll keep lit for just a few seconds,” explains Clinton Wickers, web site supervisor on the Cradle of Forestry in Pisgah Nationwide Forest, operated by nonprofit Discover Open air. “It actually appears to be like like a blue ghost or type of an eerie, small, blue mild that is floating by means of the woods, virtually leaving a path.”

A firefly’s mild is used throughout mating season, which usually occurs in late spring and early summer time. Men and women sign to one another by means of a sample or collection of flashes to discover a match, however females of the Phausis reticulata species don’t fly. Males hover low to the bottom because of this, illuminated for just a few seconds to a minute at a time, whereas females on the bottom sign again, creating what appears to be like like a floating flooring of wavering blue mild.

“It appears to be like like elves which might be carrying the lights by means of the forest,” Dr. Jennifer Frick-Ruppert, vp of educational affairs and dean of the school at Brevard School has mentioned of the impact previously. “It’s laborious to imagine it’s actual.” Frick-Ruppert discovered blue ghost fireflies on her property and didn’t know what they have been, which led to researching and publishing her findings in 2008, vaulting the little-known insect to comparatively modest fame.

What makes blue ghost fireflies much more mysterious is that they’re subsequent to unimaginable to seize on digital camera. “Do not anticipate to get any footage of the fireflies,” says Wickers, explaining that specialised pictures tools is required to attempt to snag a shot.

In footage, blue ghost fireflies will look inexperienced. Nevertheless, as Wickers shares, as a result of the sunshine these fireflies give off is so intense, it seems blue to the human eye.

If you happen to’re hoping to catch sight of the blue ghost fireflies, the window to see them every year is brief and it’s greatest to take a guided tour so that you don’t disturb or destroy their habitat. This yr, Find will host tours by means of the Cradle of Forestry on choose dates from Might 19 to June 7. Advance tickets are required and Wickers says they usually promote out.

Count on to reach by 8:45 p.m. for a brief instructional program earlier than heading out on the Forest Competition Path, a roughly 1.3-mile paved route. Convey a flashlight with a purple mild to assist information you as a conventional one or your mobile phone’s mild will intervene with the fireflies.

After which, be affected person.

“We advise what of us do is flip off their lights and cease and look into the woods to their left or proper, and simply stand there for a couple of minutes,” Wickers advises. “And see if something occurs.”