Insect/Caterpillar

Question

I have found a caterpillar approximately 1 1/2 inches long with black/yellow stripes dining on my dill weed plant. I live in the Northeast. What is it, and how do I get rid of it?

Answer 1

It may be an Eastern Black Swallowtail: http://www.fcps.edu/islandcreekes/ecology/eastern_black_swallowtail.htm

Regardless, this article will help you with caterpillars in your garden:
https://www.gardeningknowhow.com/plant-problems/pests/insects/prevent-caterpillars.htm