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Brian Danforth

Brian Danforth

Professor of Entomology at Cornell University, studying solitary wild bee biology, evolution, and conservation

Aug 7, 2026

3:19
And you know in your study that solitary bees are important for pollination, but just how important are they?
3:25
It really depends on the crop.
3:27
I'll give you a few examples.
3:29
So in squash and pumpkin, for example, there is a single solitary bee species called Peponapis pruinosa, which is a narrow host plant specialist on squash and pumpkin.
3:41
And those are very effective pollinators.
3:44
They are early morning bees.
3:46
So they get out before any of the other wild or managed bees visit squash and pumpkin.
8:25
What do they look like and how do they affect the bees?
22:51
And you know in your study that solitary bees are important for pollination, but just how important are they?
22:57
It really depends on the crop.
22:59
I'll give you a few examples.
23:00
So in squash and pumpkin, for example, there is a single solitary bee species called Peponapis pruinosa, which is a narrow host plant specialist on squash and pumpkin.
23:13
And those are very effective pollinators.
23:16
They are early morning bees.
23:18
So they get out before any of the other wild or managed bees visit squash and pumpkin.
27:57
What do they look like and how do they affect the bees?

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