Osmia avosetta is a species of mason bee

Mason bee

Mason bee is a common name for species of bees in the genus Osmia, of the family Megachilidae. They are named from their habit of making compartments of mud in their nests, which are made in hollow reeds or holes in wood made by wood boring insects....

. It is solitary by nature, and is unique in its use of flower petals to construct nests for its larvae

Larvae

In Roman mythology, lemures were shades or spirits of the restless or malignant dead, and are probably cognate with an extended sense of larvae as disturbing or frightening...

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The female O. avosetta digs shallow tunnels in the ground consisting of one or two chambers, each of which it then covers with flower petals glued together with mud. It then places larval food in each chamber and seals it with soil and by folding the petals over. The cell hardens to form protection for the larva against predation and weather. This behavior was first observed in 2009, by two research groups working separately in the mountains of Turkey

Turkey

Turkey , known officially as the Republic of Turkey , is a Eurasian country located in Western Asia and in East Thrace in Southeastern Europe...

 and Iran

Iran

Iran , officially the Islamic Republic of Iran , is a country in Southern and Western Asia. The name "Iran" has been in use natively since the Sassanian era and came into use internationally in 1935, before which the country was known to the Western world as Persia...

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