Western tiger swallowtail butterfly or Papilio rutulus
Western tiger swallowtails or Papilio rutulus fly east and west of the Cascade Mountains and are perhaps the most familiar butterfly in the Northwest.
Their larval host plants include trees such as black cottonwood, aspen, maple, willow, and birch, and the adults nectar on
Western tiger swallowtail
Western tiger swallowtail butterfly
nectaring on mock orange flowers
Western tiger swallowtail butterfly
nectaring on purple sage flowers - click to enlarge
