Fireflies, also known as lightning bugs, are small insects belonging to the family Lampyridae. They are best known for their ability to produce light through a chemical reaction in their bodies, a process called bioluminescence. This light is often used for communication, especially during mating season, where males flash their lights to attract females. These insects are typically found in warm, humid environments, such as gardens and forests. Fireflies are most active during the summer months, and their glowing displays create a magical atmosphere in the evening. They play a role in the ecosystem by helping to control pest populations and serving as food for various predators.