[Butterflies of the Columbia River Gorge of Oregon and Washington]

An anise swallowtail resting on a leaf of columbia desert parsley (Lomatium columbianum) as seen at left on Marsh Hill along the Memaloose Trail, Columbia River Gorge...........April 21, 2017. The photo at right shows an anise swallowtail at Mill Creek Preserve, a Columbia Land Trust property.....May9, 2023.

An anise swallowtail nectaring on the flower heads of Carey's balsamroot (Balsamorhiza careyana) on the Mill Creek Ridge Preserve, Columbia Land Trust lands southwest of The Dalles, OR.......April 22, 2018.