The bees from the genus Euglossa formulate their unique perfumes for reasons similar to ours: to attract mates, establish a signature identity, and smell good in a crowd. They do this by gathering a variety of carefully selected scents from their environment, and then douse their bodies with the perfume.
“The males expose them at the places where mating occurs,” said co-author Thomas Eltz of Ruhr-University Bochum, “so the perfumes may be chemical signals to females.”
— Read more at Orchid Bees Blend Their Own Perfume at Discovery.
One more reason to love bees.
Bees are great. Except carpenter bees, which I could live without.