Tag Archives: aerial pupation

Pyractomena Strangeness #2

We’ve already heard (previous post) about the weird hunting habits of Pyractomena larvae – they’re amphibious.  So let’s continue our Pyractomena tour, moving along to consider another strange behavior: they pupate en plein air!

Once they’re ready to metamorphose into adult fireflies, the larvae of most North American lightningbugs seek safety underground. Immobile, they huddle for weeks in soil chambers, finally emerging to light up our skies as adult fireflies. But no cold dark cellars for Pyractomena fireflies! Instead, these strange fireflies climb up onto vegetation to undertake a feat known as aerial pupation.

Pyr borealis pupation

Aerial pupation (photos from Faust 2012)

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