Isognathus Sphinx Moth

bayucca, wow! Quite interesting!!! Thank you.

I see it now. Nice catch. I appreciate you help!

Sphingidae, Isognathus sp., unfortunately there is almost no info about the caterpillar of the at least 15 additional species besides Leachi and Caricae, which is not.
@Leonardo: Take a look at the base of the long tail. In this one and Isognathus it is completely black, whereas in Pseudosphinx tetrio the base is red:
http://en.wikipedia.org/wiki/File:Pseudo...