Rare Bee Species Lives Alone, Makes Nest Out of Flower Petals

From Treehugger:

When we think of bees, we often think of those cartoon-like swarms that populate a giant hive. But a rare new species observed in the Middle East is about to change all of that. The Osmia avoseta is a solitary bee that constructs its nest from petals and mud creating a cocoon-like dwelling for a single larvae.