Leafy Spurge Hawkmoth Caterpillar

Can you help me identify this beautiful hornworm ( I think)? There were 3 of them in the woods in Calgary, Alberta on a euphorbia plant. I couldn’t find them on anything else. I did search the links on your site and had no luck. Thanks,
Ingrid Christensen

Hi Ingrid,
We do have other images of the Leafy Spurge Hawkmoth Caterpillar, Hyles euphorbiae, posted in our archives on our 10 caterpillar pages. This species was introduced from Europe to help control the spread of its food plant, the Leafy Spurge.

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