Definition & Meaning of "lightning bug"

What is a "lightning bug"?

A lightning bug is a fascinating insect known for its bioluminescent abilities. These small beetles emit a soft, glowing light from their abdomens, creating a captivating display in the evening hours. The light produced by lightning bugs is used for various purposes, including attracting mates and communicating with other fireflies. Each species of lightning bug has its unique pattern and rhythm of light flashes, enabling them to recognize and respond to individuals of the same species. Their enchanting glow adds a touch of magic to summer nights, as they twinkle and flicker in the darkness.