Postman butterflies (Heliconius erato) are slow-flying, laying small yellow eggs on the leaves of passion flower species.
As caterpillars, leaves of Passiflora species. As adults, flower nectar, rotting fruit, and pollen. Postman butterflies are partial to Lantana flowers as well.
Central and South America
This foul-tasting butterfly has little to fear from predators. As caterpillars, they feed on passion flower leaves, storing up toxic chemicals retained throughout their lifespan.