(Διόφαντος), an Athenian comic poet of the new comedy. (Antiatticista, p. 115, 21 : φέρειν τὸν οἶνον· ἐπὶ τοῦ νηφειν. Διόφαντος Μετοικιξομένὡ.)
[P.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