Cydno Longwing (Heliconius cydno)
Family: Nymphalidae (brush-footed butterflies).
Geographic Distribution: North, Central and South America. Mexico to Colombia and Ecuador.
Wingspan: 38-43 mm (1.5 - 2.75 in).
Larval host plants: Passion vines (Passifloraceae).
Habitats: Forests up to 1400 meters.
Identification: Heliconius spp. butterflies are recognized by large eyes, long antennae, elongated forewing shape, long slender abdomen and distictive color patterns. Distinguished by straight outer margin on the forewing white patch, and the underside hind wing has a double red discal band.