The "Blue Butterfly" typically refers to various species of butterflies that exhibit vibrant blue coloration, such as the Morpho peleides and Lycaenidae family members. These butterflies are often found in tropical and subtropical regions, where their striking colors serve as a form of camouflage and a means to attract mates. The blue coloration in these butterflies is not due to pigments but rather structural coloration, which results from the microscopic structure of their wings. This unique feature allows them to reflect light in a way that creates the brilliant blue appearance, making them a subject of interest in both nature and science.