Why Do Lightning Bugs Light Up?


Quick Answer

Lightning bugs, also known as fireflies, have a light organ that is located under their midsection. Lightning bugs have a substance called luciferin that interacts with oxygen and makes light. The light produced is not constant, but has a blinking pattern.

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Full Answer

Of the 2,000 lightning bug species, each one tends to have its own unique pattern of lighting. The lighting feature of lightning bugs is employed to help locate mates, and it is also thought to be a deterrent to predators. Not only do grown lightning bugs light up, but larvae also illuminate. Lightning bugs live, on average, for only about two months in the wild. These omnivorous bugs grow up to 1 inch in length.

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