Common Firefly — printable fact sheet

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Common Firefly

Photinus pyralis

The common firefly, also known as the lightning bug, is a nocturnal beetle renowned for its ability to produce light through bioluminescence. These insects are most active during warm summer evenings, where their rhythmic flashes are used to attract mates and communicate. Firefl…

Classification

Invertebrate

Family

Lampyridae

Habitat

Moist meadows, forests, and near freshwater sources

Diet

Omnivore

Conservation status

Least Concern

Lifespan

1-2 years (including larval stage)

Weight

0.01-0.03 grams

Scientific name

Photinus pyralis

Did you know?

Some firefly larvae can glow underground, deterring predators even before they emerge as adults.
Fireflies use distinct light patterns to identify their species and attract mates. Their bioluminescent glow is produced by a chemical reaction involving luciferin, luciferase, ATP, and oxygen. Despite their name, fireflies are actually beetles, not flies.

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