Subject: What kind of caterpillar?
Geographic location of the bug: Tucson, AZ
Time: 08:21 PM EDT
Your letter to the bugman: I found this giant caterpillar near my garage in October. I’ve never seen one so big. What is it?
How you want your letter signed: Erica
We believe your Hornworm is a pre-pupal Rustic Sphinx Caterpillar, Manduca rustica, based on images on the Sphingidae of the Americas and BugGuide.