Dismorphia lygdamis, the catasticta mimic or Lygdamis mimic white, is a butterfly in the family Pieridae. It is found in Ecuador and Peru. The habitat consists of cloud forests. The wingspan is about . Adults appears to be a mimic of Catasticta sinapina. Subspecies The following subspecies are recognised: Dismorphia lygdamis lygdamis (Ecuador) Dismorphia lygdamis doris Baumann & Reissinger, 1969 (Peru) Dismorphia lygdamis beatrix Lamas, 2004 (Peru) References Dismorphiinae Butterflies described in 1869 Pieridae of South America Taxa named by William Chapman Hewitson