Insect identification

Asked September 18, 2020, 1:57 PM EDT

What are these worm like creatures on my parsley

St. Mary's County Maryland

1 Response

These are the larvae of black swallowtail butterflies, also sometimes referred to as "parsley worms." These caterpillars feed on a variety of plants in the carrot family (parsley, dill, fennel). The following articles provide more information about them.