They are found in southern Canada from Quebec west to Saskatchewan, south into the eastern U.S., in Colorado and parts of California south to South America.
They live in fields, farms and gardens.
They have dark wings with rows of yellow spots. On the inside edge of each hind wing there is an orange eye spot with a black dot in the center. They have a row of blue patches between the rows of yellow spots. Their wingspan is up to 3.5".
Their caterpillar may be a garden pest. They hibernate as a chrysalis.
Leaves of plants in the parsley, wild carrot, celery and dill.
Females lay a single egg on leaves. When young hatch, they start eating.
Species: P. polyxenes
When you research information you must cite the reference. Citing for websites is different from citing from books, magazines and periodicals. The style of citing shown here is from the MLA Style Citations (Modern Language Association).
When citing a WEBSITE the general format is as follows.
Author Last Name, First Name(s). "Title: Subtitle of Part of Web Page, if appropriate." Title: Subtitle: Section of Page if appropriate. Sponsoring/Publishing Agency, If Given. Additional significant descriptive information. Date of Electronic Publication or other Date, such as Last Updated. Day Month Year of access < URL >.
Amsel, Sheri. "Butterfly (Black Swallowtail)" Exploring Nature Educational Resource ©2005-2020. July 7, 2020
< http://www.exploringnature.org/db/view/Butterfly-Black-Swallowtail >