but light
Luciferin is a compound that gives the fireflies, and any organism that has it, its light.
I've heard they light when mating...
Glow light source
fireflies
yes they do.
There are several insect that can produce light in the thorax. These include: * glow worms * fireflies
1. For Mating 2.To signal to other fireflies their location
Fireflies
Fireflies light up to attract a mate or prey.
To attract matesChemicals in the firefly's abdomen produce a light. They use that light to attract mates in mating season.The light they produce is cold light. Usual light is warm.In some species of fireflies, female fireflies can't fly.
Fireflies or Lightning bugs