title: Castniomera
text: # Castniomera
  
  Castniomera is a monotypic moth genus in the family Castniidae described by Constant Vincent Houlbert in 1918. Its single species, Castniomera atymnius, commonly known as the giant butterfly-moth, was first described by Johan Wilhelm Dalman in 1824. It is known from Mexico through Central America to Venezuela.
  
  The larvae feed on Musaceae species.
  
  ## Subspecies
  
  The following subspecies are recognised:
  
  * Castniomera atymnius atymnius (Dalman, 1824) - eastern Brazil, French Guiana, Colombia
  * Castniomera atymnius drucei (Schaus, 1911) - Colombia, Costa Rica
  * Castniomera atymnius ecuadorensis (Houlbert, 1917) - Ecuador
  * Castniomera atymnius futilis (Walker, 1856) - Nicaragua, Mexico, Honduras, Panama
  * Castniomera atymnius humboldti (Boisduval, [1875]) - Colombia
  * Castniomera atymnius immaculata (Lathy, 1922) - French Guiana
  * Castniomera atymnius newmanni (Houlbert, 1917) - Panama to Colombia, Venezuela
  