our only three veoemous caterpillars that I know of are the Buck moth,saddleback caterpillar and Puss caterpillar,this is none of the three.It does appear to be a Hornworm.I'll have to break out my caterpillar book in a few
Gibby is this what your signature file really means?The caterpillar is a Pine-devil. Very cool name!
http://www.butterfliesandmoths.org/species/Citheronia-sepulcralis