Lightning bugs, also known as fireflies, are harmless insects known for their ability to produce light through a chemical reaction called bioluminescence. The term "lightning bug" is a common, ...

INDIANA, USA — Lightning bugs started flying around a bit earlier this year thanks to our wetter and warmer spring overall! Peak season may a bit earlier than normal this year. Or are they fireflies?

The season for lightning bugs—also known as fireflies—is beginning as warmer, more humid air spreads north across the country. These glowing insects thrive in slightly tropical environments and are a ...