Daphnis and Chloe
According to a passage in Nonnus' "Dionysiaca" (ii.108) she was changed into a pine tree by the gods in order to escape him. Pitys is mentioned in Longus' "Daphnis and Chloe" (ii.7 and 39) and by Lucian of Samosata ("Dialogues of the Dead", 22.4).