Western Tiger Swallowtail

Papilio rutulus butterfly / moth

Closely related to the Canadian Tiger Swallowtail. Caterpillars feed on willow, cottonwood, and chokecherry.

20 documented plant relationships.

sips nectar at

BalsamrootBalsamorhiza sagittatawildflower · May-JulBig SagebrushArtemisia tridentatashrub · Aug-SepBoreal YarrowAchillea borealiswildflower · June-AugustFireweedChamaenerion angustifoliumwildflower · July-AugustRabbitbrushEricameria nauseosashrub · August-OctoberRed ColumbineAquilegia formosawildflower · May-JulySelf-healPrunella vulgariswildflower · June–AugustShowy MilkweedAsclepias speciosawildflower · June–AugustSpreading DogbaneApocynum androsaemifoliumwildflower · June–AugustTall LarkspurDelphinium glaucumwildflower · Jul-AugWestern Blue IrisIris missouriensiswildflower · May-JulyWild BergamotMonarda fistulosawildflower · July–AugustWild MintMentha canadensiswildflower · July–August

lays eggs on

Balsam PoplarPopulus balsamiferatree · April–MayBebb's WillowSalix bebbianatree · April–MayChokecherryPrunus virginianashrub · May–JunePin CherryPrunus pensylvanicatree · MayPussy WillowSalix discolorshrub · March–AprilSandbar WillowSalix interiorshrub · Apr-MayTrembling AspenPopulus tremuloidestree · April