What is "bucolus"

Bucolus is the name of four men in Greek mythology and of one early Christian saint:

1. Bucolus, father of Sphelus, and grandfather of Iasus, captain of the Athenians at the Trojan War. Iasus was killed by Aeneas.
2. Bucolus, son of Hippocoon, king of Sparta.
3. Bucolus, son of Heracles and Marse, daughter of Thespius and Megamede.
4. Bucolus, meaning "cow boy" (from "βους" (vous = ox) + "κελεύω" (kelevein=command) ), was a nickname of Daphnis.
5. Saint Bucolus, one of the first Christian bishops of ancient Smyrna, disciple of St John the Theologian.

Bucolus is a genus of ladybird beetles.