White Lined Sphinx Caterpillar

a hornworm?
We have discovered some wonderful caterpillars that I refuse to think are going to find my tomato plants, though they remind me of tomato hornworms They are living in a patch of curly dock in our front yard. (Guess I can’t mow THAT yet… not until we retrieve the chrysalises later) Anyway… can you identify this for us? We live in the Minneapolis area of Minnesota, USA. Thank you.
Liz and Caiti

Hi Liz and Caiti,
This is a White Lined Sphinx Caterpillar, Hyles linata. This is a highly variable caterpillar that comes in several color morphs.

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