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Deep Look | Carpenter Bees Stab Flowers to Steal Their Nectar | Season 9 | Episode 10

Like all busy bees, this huge female  Valley carpenter bee is always on the go.

But she has a secret life of crime.

As she forages, she splatters pollen  across her cheeks and forehead.

That sloppiness helps pollinate flowers  and crops, like blueberries and eggplants.

But she also happens to be  an accomplished nectar thief.

Some flowers, like this salvia, have nectar  that’s hard to reach with the bee’s short tongue.

It’s easy for a hummingbird to get at  the nectar because it has a long beak.

So, she takes a shortcut by slicing an incision   at the base of the flower … sneaking  the nectar out through the back door.

It’s a selfish indulgence called nectar robbing.

The flower rarely gets pollinated  this way because the bee doesn’t get   close enough to rub pollen onto  the plant’s reproductive parts.

The carpenter bee stores the stolen goods  in her crop – a pouch near her stomach.

While she’s busy thieving,  nearby this enormous golden male   hovers around the same shrub for hours.

He’s hoping to catch her attention  with his fitness display.

Also known as the teddy bear bee,  he’s almost as big as your thumb,   but he’s all show.

He doesn’t even sting.

He’s staking out his tiny territory.

Occasionally he lands, releasing pheromones to   mark his spot with a flowery  aroma to entice the ladies.

Once in a while his efforts pay off.

They mate quickly and discreetly.

She’s simply too busy to linger.

Just like their name suggests,  carpenter bees are skilled woodworkers.

The female bee uses her powerful mandibles to  tunnel into dead wood – like logs or tree trunks.

Mama bees lay their eggs and provide food for  the developing offspring in these chambers.

The bees may return to the  same nest for generations,   expanding and renovating year after year.

Carpenter bees don’t have a queen, and  they aren’t as social as honeybees,   but several bees may room together in a nest.

Sometimes they carve their homes in structures  made by humans, giving them a bad rap.

But it turns out carpenter bees do play  an important role in our ecosystem.

They still pollinate many  flowers and crops the usual way,   but even their crime sprees benefit  some members of the neighborhood.

Other insects and pollinators – like this honeybee  – take advantage of the incisions left behind.

However, the flowers lose out on this racket.

They’re unlikely to get  pollinated by the nectar robbers.

It would be better for the plants if  carpenter bees entered the front door   like respectful visitors.

But despite their rather dodgy reputation,  you have to admire their creativity.

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