Diaethria clymena or Cramer's Eighty-eight is a species of butterfly of the family Nymphalidae. It is found from Mexico to Peru and Brazil. It was discovered to science by Pieter Cramer, in a fascicle of De uitlandsche Kapellen, 1775. The wingspan is about 30–40 millimetres (1.2–1.6 in). Adults are black with a blue band on each wing. The underside is red and white with black stripes that look like an outlined number eighty-eight. The larvae feed on Trema lamarckiana, Trema micrantha, and Theobroma.