Black Swallowtail

Papilio polyxenes asterius (Stoll, 1782)

Family: Papilionidae

Status: Common resident

NENHP Ranking: Not listed

Range: The Black Swallowtail is found from the Atlantic Coast in the United States and southern Canada west to eastern Saskatchewan and eastern Arizona. It is found throughout Nebraska.

Broods/Flight Times: Multiple broods from April into October

Larval Hostplant(s): Larvae feed on a wide variety of members of the Parsley Family – Apiacea including hemlocks. Ornamental and garden plants (Dill, Fennel, and Rue) are utilized as well. Musineon tenuifolium, a hostplant shared with some of its relatives – ‘Baird’s’ Old World Swallowtail and the Anise Swallowtail, is fed on in the Nebraska panhandle.

Habitat: This butterfly has adapted well to urban settings, landscaping and gardening and is probably more numerous there than “in the wild.”

Found at:

Overwintering: As a pupa

Similar Species: Pipevine Swallowtail, Red Spotted Purple


Common Name, Location, Photographer
Black Swallowtail – female, dorsal
Black Swallowtail – male, dorsal

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