Elm or Four-Horned Sphinx Caterpillar
"Four-horned Sphinx (Elm Sphinx)" by Kevin Ripka - Flickr: Four-horned Sphinx (Elm Sphinx). Licensed under CC BY 2.0 via Wikimedia Commons - https://commons.wikimedia.org About This Insect Scientific Name: Ceratomia amyntor Food: elms What does it turn into? See it here Does it sting? No. Will it destroy my garden? No. Click here to see more caterpillars!