In insects feeding on nectar, the proboscis is formed by modification of
The
proboscis is a structurally and functionally complex conduit that is used for
transporting fluids from pools and wetted surfaces to the butterfly’s gut. The
food canal of the proboscis (where fluids travel) is formed when the two
strand-like maxillary galeae fasten together via dorsal and ventral linking
structures called legulae. So,
the correct answer is 'Galea'.