Psara dryalis is a moth in the Crambidae family. It was described by Walker in 1859. It is found in the Dominican Republic, Puerto Rico, Jamaica, Cuba and from the south-western United States to Central America. The wingspan is about 26 mm. The wings are iridescent with purplish cinereous interior and exterior lines and blackish marginal spots. Adults have been recorded on wing from July to September in the United States.