Pseudoleucania diana is a moth of the family Noctuidae. It is found in the Santiago, O'Higgins, Maule, BiobÃÂo and Magallanes and Antartica Chilena Regions of Chile and Tierra del Fuego, Chubut, San MartÃÂn de los Andes and RÃÂo Negro in Argentina.
The wingspan is about 32 mm. Adults are on wing from September to April.