Odorous. Osmia sp., Mason Bee, on Eve's Cushion, Saxifraga hypnoides, Hortus Botanicus, Amsterdam, The Netherlands

The name 'Osmia' is derived from an ancient Greek word for smell or odor. These solitary Bees mark the opening of their nest with a scent, said to be of a lemony kind. Here 's one on a Rockfoil flower.

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