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The larvae of this species changes color quite dramatically with each molt. These pictures show the last instar, which is green with black bands dotted with yellow spots on each segment.
I spotted two of these caterpillars on fennel (Foeniculum vulgare) in a rural garden.
Larvae feed primarily on plants of the carrot family and some in the rue family. They are often found on dill, parsley, fennel, carrot, and rue in gardens. In the wild, they may be found on queen-anne's-lace, poison hemlock, and lovage. The common name(s) for the caterpillars vary so much since they can be found on so many different and important cultivated plants. To give it a common name, it seems that you just pick the host plant and then add the word "worm" afterwards.
Spotted on Sep 27, 2017
Submitted on Sep 27, 2017
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