Subject: What type of caterpillar is this?
Geographic location of the bug: Eastern South Dakota
Time: 09:50 AM EDT
Your letter to the bugman: This guy reminds me of the hawk moths that frequent our petunias! But he’s not exactly like the ones on your page. What is he! He’s about 1.5 inches long.
How you want your letter signed: Robin jarrett
There are several different species of Tiger Swallowtails and they all have similar looking caterpillars. South Dakota is included in the BugGuide data for sightings of the Eastern Tiger Swallowtail. Its coloration indicates this Eastern Tiger Swallowtail Caterpillar is prepupal.