"This amazingly beautiful cocoon is made from carefully layered flower petals. The creator? A bee. Specifically, the Osmia bee. Four different species of this bee, Osmia avosetta, Osmia lunata, Osmia rhodoensis, and Osmia tergestensis, make these unique floral bundles.
Discovered on the same day by two different teams in Turkey and in Iran, these flower nests were written about by an international team of scientists that included professors of plant protection, entomology, invertebrate zoology, and agriculture. (Download and read the entire paper here.)