Fireflies emit blinking, flashing, glowing, intermittent, steady lights
The Fireflies Book: Fun Facts About the Fireflies You Loved as a Kid by Brett Ortler acknowledges the positive reactions which Earthlings reveal toward the world’s most beloved, enlightening, graceful insect of night-time grasses and skies.
Lightning bugs indeed bring a 2,000 species-strong presence to:
• temperate zones northward from the Tropic of Cancer to the Arctic Circle, 23.5° north to 66° north latitudes, and southward from the Tropic of Capricorn to the Antarctic Circle, 23.5° south to 66.5° south latitudes; and
• tropical zones northward from 23.5° south latitude and southward from 23.5° north latitude.
They also can be found described as:
• big dippers, blinkies;
• firefly beetles;
• glow flies, glow worms, golden sparklers;
• lightning beetles; and
• moon bugs.