Here's a shot of one of our future Swallowtail's. He's a munchin' on parsley. That's his roommate in the background, along with numerous piles of caterpillar poop. They eat so much now, that their containers must be cleaned and refilled twice a day.
Canon EF 24-105mm L f4 IS USM lens
28mm Focal Length
Exposure 1/60 sec @ f5.6
Curves adjusted for contrast