Commonly called fireflies or lightning bugs, the carnivorous beetles of the family Lampyridae are named for their use of bioluminescence when attracting mates or prey. Fireflies are capable of producing red, yellow, or green “cold light” containing no ultraviolet or infrared rays. Approximately 90% of the energy used in the process is converted to visible light—compared to 10% for incandescent electric bulbs, which emit the remainder of their energy as heat. How do fireflies produce their light? Discuss