Science & Environment
Rocky Mountain Biological Laboratory trains the next generation of scientists
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This Fly Torpedoes a Bindweed Bee's Nest
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.
This Fly Torpedoes a Bindweed Bee's Nest
Season 10 Episode 10 | 4m 58s | CC
A “bee fly” looks a bit like a bee, but it’s a freeloader that takes advantage of a bindweed turret bee’s hard work. The bees dig underground nests and fill them with pollen they collect in the form of stylish “pollen pants.” As the bees are toiling on their nests, the flies drop their *own* eggs into them from the air. But the bees employ a tricky defense against the flies.
