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Sticker of Spring treetop flasher
Bug card No. 4138 of 4,939

Spring treetop flasher

Pyractomena borealis

The spring treetop flasher is a firefly, a beetle that can make its own light. Its name tells you that it flashes high up in the trees in spring. It lives in a huge part of North America.

Lives in
North America, from Alberta to eastern Canada and all US states east of the Mississippi River
Top speed
about 3 km/h (1.9 mph)
Flying, estimate
Can it hurt you?
Harmless
Harmless. It does not bite or sting.
What does it eat?
Firefly larvae are little hunters of small soft animals on the ground.
For real!Photo of Spring treetop flasher
Picture by NCBioTeacher. CC0, via Wikimedia Commons.

How fast is it?

cool stuff

Fun facts

1

A firefly is not a fly at all. It is a beetle.

2

It lives from Alberta in the west all the way to the Atlantic coast of Canada.

3

It is found in every US state east of the Mississippi River.

you asked

Most asked questions about Spring treetop flasher

?Is a firefly a fly?

No. Fireflies are beetles that can glow.

?Where does the spring treetop flasher live?

In a big part of North America, from Alberta to eastern Canada and the eastern United States.

For bug experts

Scientific name
Pyractomena borealis
Group
Beetles
Family
Lampyridae
Classification
Insecta > Coleoptera > Lampyridae
Lives on
North America
Also known as
Spring tree-top flasher

Where the facts come from

  1. Pyractomena borealis (Wikipedia, CC BY-SA 4.0): what it looks like, where it lives, what it eats, sizes and fun facts, retold in simple words.
  2. Picture by NCBioTeacher. CC0, Wikimedia Commons. The sticker of this bug is drawn from this picture.

If we got something wrong, sorry, we are bug fans, not a science journal. Tell us at [email protected] and we will fix it.

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