Wikipedia
In Greek mythology, Mestra (, Mēstra) was a daughter of Erysichthon of Thessaly. She had the ability to change her shape at will, a gift of her lover Poseidon according to Ovid.
Her father exploited this gift in order to sate the insatiable hunger with which he had been cursed by Demeter for violating a grove sacred to the goddess. Erysichthon would repeatedly sell Mestra to suitors for the bride prices they would pay, only to have the girl return home to her father in the form of various animals.
According to Ovid, Mestra married the thief Autolycus, though other sources named his wife differently.
Mestra is a genus of nymphalid butterfly. It contains the Jamaican Mestra (Mestra dorcas), which is found from southern North America to South America and the St Lucia Mestra, (Mestra cana) found in the Lesser Antilles.
The wingspan is 35–50 mm. The upperside is gray-white to light brown. There is a median row of white spots and an orange marginal band on the hindwings. The underside is pale orange with white markings. Adults are on wing year round in southern Texas, but it is most numerous from June to November. They have been recorded feeding on the nectar of Lantana flowers.
The larvae feed on Tragia neptifolia.