Two silver-washed fritillary butterflies (Argynnis paphia) on the flowers of a summer ragwort (Ligularia dentata) at Oku-nikko, Tochigi, Japan. - Vídeo de stock HD

2 cuts: (1) Two silver-washed fritillary butterflies (Argynnis paphia) on the flowers of a summer ragwort (Ligularia dentata). (2) A silver-washed fritillary on a summer ragwort flower. Butterfly subsequently flies off. / The summer ragwort is a perennial of the Asteraceae (aster) family, which produces stalks 40-120 cm in height and bright yellow flowers. The silver-washed fritillary is a species in the Nymphalidae (four-footed butterfly) family, which grows to 3-4 cm in length. It is noted for its beautiful black-spotted golden wings. The pattern resembles that of a leopard.