The Black Swallowtail (Papilio polyxenes) butterfly is commonly found in fields, gardens, and open spaces in the Northeastern United States. Above, left: The body of the fully developed caterpillar with its bold, bright bands of yellow, green, and black, is conspicuous against the feathery foliage of the fennel which is its favorite food; center: a female Black Swallowtail at rest on a salvia in Cuxa garden, as seen from above; right: the same butterfly seen in profile with its wings folded upward. Photographs by Corey Eilhardt.
We found several large, boldly marked caterpillars feeding on a stand of fennel (Foeniculum vulgare) in Bonnefont garden last month. We left them undisturbed, knowing from past experience that they would grow up to be beautiful eastern Black Swallowtail butterflies. Read more »