Similar Species: Western Tiger Swallowtail, note the dark band at the top of the Anise
Larval Foodplants: Sweet Fennel, sometimes called Wild anise (Foeniculum vulgare), additional umbelliferous foodplants may be utilized: Tauschia arguta, Lomatium dasycarpum, L. utriculatum and Oenanthe sarmentosa. Citrus is also utilized