Amphimoea

Amphimoea is a monotypic moth genus in the family Sphingidae erected by Walter Rothschild and Karl Jordan in 1903. Its only species, Amphimoea walkeri, the Darwin hawkmoth, described by Jean Baptiste Boisduval in 1875, is found from Mexico south to Argentina.

Description
The wingspan is 147–164 mm. Adults are on wing year round. They have the longest insect proboscis in the world and nectar from deep-throated flowers while hovering in the air.

Biology
The larvae feed on Anaxagorea crassipetala.