Dercetis

In the epic tradition preserved and summarized from Statius' Thebaid, Dercetis is presented as a Naiad of Boeotia who encounters a handsome youth named Lapithaon and forcibly couples with him despite his youth. From this union is born Alatreus, who later figures among the younger warriors connected to the cycle of the Seven against Thebes. The episode is transmitted in Roman epic as an anecdote used by a narrator within the Thebaid to supply background on participants in the Theban conflict (Statius, Thebaid; summarized in Theoi and Wikipedia).

Classical summaries identify Dercetis as a female Naiad of Boeotia but supply no detailed physical description. The sources emphasize her identity as a nymph (a freshwater spirit) and her sexual behaviour rather than describing hair, clothing, stature, or other bodily traits; no direct ancient physical attributes are attested in the provided materials.

The only attested action in the literary record is Dercetis' sexual aggression toward the mortal youth Lapithaon, resulting in conception of their son Alatreus. The supplied sources do not ascribe other supernatural powers, speech acts, or cultic functions to her; no additional abilities are recorded in the available summaries of Statius' account.