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» Eastern Washington butterflies
» Eastern Washington insects
» Eastern Washington wildlife
» Eastern Washington animals and plants

Related Information
Western Tiger Swallowtail butterfly - Canada Biodiversity
Western Tiger Swallowtail identification and Washington county distribution map

Related books
The Butterflies of Cascadia: A Field Guide to All the Species of Washington, Oregon...
Life Histories of Cascadia Butterflies(new)
Butterflies of British Columbia
The Butterflies of North America: A Natural History and Field Guide - James A. Scott
National Audubon Society Field Guide to Butterflies
Butterfly Gardening
Butterflies through Binoculars: The West
The Forgotten Pollinators

Backyard Bugs Floor Puzzle

Join a network for good:
Lepidopterists' Society
North American Butterfly Association
The Xerces Society for Invertebrate Conservation

Western tiger swallowtail butterfly or Papilio rutulus

Western tiger swallowtails or Papilio rutulus live east and west of the Cascade Mountains. Their larval host plants include trees such as black cottonwood, aspen, maple, willow, and birch.