Often mistaken for fireflies or even worms, Orfelia fultoni are actually the glowing larvae of a fungus gnat. Measuring just 1.5 to 2 centimeters long, these translucent creatures emit bioluminescent ...

(CN) — The Xerces blue butterfly was last seen in the early 1940s in San Francisco. The small, iridescent blue insect, originally discovered in 1852, was endemic to and once plentiful among the ...

Most of the periodical cicadas emerging across the eastern U.S. in this year's rare dual emergence event have blood-red eyes, but sightings of blue-eyed variants have recently been reported. When you ...