April 2007. Identification was requested for a hornworm found feeding on Xanthosoma. It can be seen at:

http://www.guaminsects.net/uogces/kbwiki/index.php?title=Hornworm_on_Xanthosoma

It was thought to be a Hippotion species, but a little unusual.

Original:
tech.groups.yahoo.com/group/pestnet/message/4648
Reply:
tech.groups.yahoo.com/group/pestnet/message/4651