Pseudoleucania onerosa is a moth of the family Noctuidae. It is found in the Maule and BiobÃÂo Regions of Chile and San MartÃÂn de los Andes, Neuquén, JunÃÂn de los Andes and Correntoso in Argentina.
The wingspan is 33âÂÂ40 mm. Adults are on wing from August to March.
The larvae feed on Acanthaceae, Ericaceae and Araliaceae species.