The genius of diversity. Butterflies by day, moths by night -- Versatile mouths -- The colors and shapes of survival -- The world of caterpillars. Insatiable appetites -- Too beautiful to touch -- From caterpillar to butterfly -- The world of butterflies and moths. Bodies built for love -- Astonishingly keen senses -- Hordes on migration -- Lepidoptera and humans. The birthplace of silk -- Great public and private collections -- Conservation and the future.