Orchids can make fake pollen to tempt bees and other pollinators. But this pseudopollen isn’t just an alluring counterfeit, scientists have shown: It’s as nutritious as the real thing. ScienceMagArchives
Orchids are among the most devious flowering plants on the planet. Many species trick pollinators into helping them reproduce. Some release sex pheromones that attract male insects, whereas others make fake pollen to tempt bees and other pollinators with the promise of a meal. Scientists have now shown this pseudopollen isn't just an alluring counterfeit: It's as nutritious as the real thing.
Several types of orchid produce this pseudopollen. Some contains lipids, carbohydrates, and proteins. Others contain no nutrients at all. Though the substance was first described more than 100 years ago, scientists didn't know whether insects actually ate it. "This is the first time we have confirmed that pseudopollen is a real reward," says co-author Luo Yi-Bo.
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