1999 California Academy of Sciences   cc-by-nc-sa-3.0

Papilio rutulus (Western Tiger Swallowtail) is a species of butterflies in the family swallowtail butterflies. They visit flowers of ceanothus, Lily of the Nile, apple, and Spear Thistle. They are diurnal.

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EOL has data for 20 attributes, including:

Known occurrences, collected specimens and observations of Western Tiger Swallowtail. View this species on GBIF