title: Phostria purpuralis
text: # Phostria purpuralis
  
  Phostria purpuralis is a species of moth in the family Crambidae. It was described by Herbert Druce in 1895. It is found in Costa Rica.
  
  The forewings and hindwings are uniform dark glossy purplish brown, the inner margin of the latter greyish black.
  
  