The zebra longwing (Heliconius charitonia) is a neotropical butterfly that occurs in extreme southern portions of the United States southward through Mexico, Central America and the West Indies to South America. Adults occasionally wander northward. It is locally common throughout peninsular Florida. Adults: Zebra longwings are medium-sized butterflies with elongated wings. They cannot be confused with any other Florida butterfly. Adults have a wingspan range of 72 to 100 mm. The sexes are similar. The upper surface of the wings is black with several bold, narrow yellow stripes. The wings below have a similar pattern, but are paler in color and have several small red spots near the body.