(Ἐργίας) of Rhodes, is mentioned as the author of a work on his native island. (Athen. 8.360.) Gesner and others are of opinion that Ergias is the same person as Erxias, who was the author of Κολοφωνιακά. (Athen. 13.561.) But which of the two names, Ergias or Erxias, is the correct one, cannot be determined.
[L.S]A Dictionary of Greek and Roman biography and mythology
Smith, William
A Dictionary of Greek and Roman biography and mythology. William Smith, LLD, ed. 1890