Diet of Danainae
Butterfly larvae only feed on one to several specific types of plants, which vary depending on the butterfly species. These plants are known as host plants.
Blue-spotted Crow: Goat Horns
Ceylon Blue Glassy Tiger, Glassy Tiger: Ovate Tylophora
Adult butterflies feed on nectar from flowering plants to replenish their energy. The plants that provide nectar for butterflies are called nectar plants.