The Candrena Eighty-eight or Number Eighty (Diaethria candrena) is a species of butterfly of the Nymphalidae family. It is found in Argentina and Brazil. The wingspan is 40–46 mm. The forewings are black with a deep blue basal flush. The hindwings are mostly black, again with a deep blue basal flush. The underside of the forewing is mostly red with a broad black border. The underside of the hindwing is mostly white with a thin black outer margin and two thin black concentric bands bordering a distinct 80, hence one of the common names, design on the centre of the wing.