“Bees are efficient foragers. One example is the southeastern blueberry bee, Habropoda laboriosa, a hard working little creature capable of visiting as many as 50,000 blueberry flowers in her short life and pollinating enough of them to produce more than 6,000 ripe blueberries. At market those 6,000 blueberries are worth approximately $20 or more. Not every bee that you see flitting about may be worth $20, but all of them combined keep the world of flowering plants going. The world as we know it would not exist if there were no bees to pollinate the earth’s 250,000 flowering plants.”
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U.S. Department of Agriculture,
Bee Basics : An Introduction to Our Native Bees