What Makes Fireflies Beautifully Light Up?

Bioluminescence causes fireflies or lightning bugs to glow. Firefly eggs, larvae and pupae emit light! Learn why they glow and if it's okay to catch fireflies.

EarthSky Fireflies: How and why they light up

Why Do Fireflies Glow? - How Fireflies Produce Bioluminescence

Lighting Up the Night – Fireflies Blazing Beautiful Patterns in the Dark, Light, 3DP

Thousands of Fireflies Put on a Magical Light Show in Pennsylvania Each June — Here's How to See It

Why Do Fireflies Glow?

How Fireflies Make Light - Plunkett's Pest Control

How fireflies glow and what signals they're sending, Earth

What Makes a Lightning Bug Glow? - PestWorld for Kids

Lighting Up the Night – Fireflies Blazing Beautiful Patterns in the Dark, Light, 3DP