Acraepheus (Greek: Ἀκραιφεύς) was, in Greek mythology, a son of Apollo to whom the foundation of the town of Acraephnium, a Boeotian town on the lake Copais, was ascribed. In Acraephnium, Apollo was attached with the epithet Acraephius or Acraephiaeus by worshipers.
Acraepheus could have been father of Ptous by Euxippe.
References
Acraepheus Wikipedia(Text) CC BY-SA