Butterflies have an elongated mouth, like a straw, called proboscis , being able to feed only on liquids. 1- Passiflora biflora. 2- Aritolochia spp. Photinus Many Host plants developed toxins to avoid being eaten by herbivores, but some butterflies evolved along with them, assimilating these substances in their body. Therefore they are unpalatable to birds and other predators and show this by having bright or contrasting colors.
Predators learn very fast to distinguish between edible and non-edible species.
Host plant of Heliconius hecale and Heliconius cydno. 5- Penta spp. It's roll in the garden is to produce nectar to feed butterflies. Butterflies learn to ingest nectar from just two or three types of flowers available in their surroundings. If you observe with attention you will see butterfly eggs, like small white scales, usually at the border of leaves.