Your friend was probably referring to blue orchard bees, or BOBs. They are gentle mason bees, solitary pollinators, which many orchards use because of concerns over colony collapse disorder and africanization associated with honey bees. Here is a look.
These little 5mm beauties are my favourites. They pollinate up a storm and are very well mannered. Augochlora Green Metallic Bee.
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Augochlora Green Metallic Bee
We cannot change the waves of expansion and contraction, as their scale is beyond human control, but we can learn to surf. Nicole Foss @ The Automatic Earth
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