Idmon

For the genus of grass skipper butterflies, see Idmon (butterfly). In Greek mythology, Idmon was an Argonaut seer. His father is said to have been Apollo but his mortal father was Abas. His mother was Asteria (or Cyrene). He foresaw his own death in an Argonaut expedition but joined anyway and died of snakebite in Bithynia.
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[Greek heroic] A soothsayer who accompanied the Argonauts, although he knew beforehand that he would not survive the voyage. He died when the Argonauts were in Bithynia; the city of Heraclea (currently Eregli) was believed to be built around his grave.