House flies deploy a specialized organ called the ptilinum to break out of their pupa!

Fly Metamorphosis is a Beautiful Nightmare Deep Look

Premiered June 20, 2024
Fly Metamorphosis is a Beautiful Nightmare

Like the beloved butterfly, a house fly goes through an incredible metamorphosis. To make its grand entry into the world, it deploys a specialized, fluid-filled balloon on its head called the ptilinum (till-EYE-num) to break open its pupal casing, freeing itself to buzz around your kitchen.

About the Program

Deep Look

See the unseen at the very edge of our visible world. Get a new perspective on our place in the universe and meet extraordinary new friends. Explore big scientific mysteries by going incredibly small.

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