Rhea, mother of Zeus, in order to protect him from his father Saturn, secretly conceives him in a place called Diktaion Andro in Creta island.
He then assigns his upbringing at Kourites Demons and Diktiain nymphs.
Two of these nymphs, Amalthia and Melissa, take over the God's diet.
The first one nourishes him with milk and the other one ( Melissa) with honey.
When Saturn finds out Melissas' part in Zeus upbringing, he angrily transforms her into a worm.
Zeus somehow discovers the whole deceit and out of great respect and gratitude for Melissa, he transforms her into a bee, the so far known form of her.
PS. Melissa is the Greek name for the bee.