Morpho didiusMorpho didius, the metallic blue morpho, is a Neotropical butterfly belonging to the subfamily Morphinae of family Nymphalidae. It is considered, by some authors, to be a subspecies of Morpho menelaus.DescriptionMorpho didius has a wingspan reaching, making it one of the largest of Morpho species. The dorsal side of the wings are iridescent and metallic blue, and the forewings are quite elongated.DistributionThis species can be found in Peru.BiologyThe larva feeds on palm trees.