Nymphalidae is the largest family of butterflies with about 6,000 species distributed throughout most of the world. These are usually medium sized to large butterflies. Most species have a reduced pair of forelegs and many hold their colourful wings flat when resting. They are also called brush-footed butterflies or four-footed butterflies. Many species are brightly colored and include popular species such as the emperors, admirals, tortoiseshells, and fritillaries. However, the underwings are in contrast often dull...