The Morpho didius is a beautiful species of the Nymphalidae Morphidae tribe, most commonly known for the blue iridescence on the front of their wings. The beauty on their front side overshadows the beauty of the back sides of the wings which are patterned with oscelli circles giving the illusion of eyespots. These are self defense mechanism patterns that ward off predators by making them feel outnumbered or in the case of the stronger more confident predators, deterring them into attacking the wings as opposed to the body