Royal Walnut Moth (Citheronia volcan), endemic to the highlands of Costa Rica and western Panamá. (894k)
Here are the pictures of Royal Walnut Moth (Citheronia volcan) with links to the pages on which they appear, links to the full sized picture, and the description of the picture with links to the entry in iNaturalist (inaturalist.org)
All pictures are © Dr. Günther Eichhorn, unless otherwise noted.
Panama Nature
Dr. Günther Eichhorn Travel Website
Soaring website