| Pterourus rutulus (Lucas), 1852 |
| Status: Rare resident |
| Flight Period(s): A single flight occurs in June and July.
Dates in NE.
|
| Range: The Western Tiger Swallowtail is found from the West Coast eastward into western South Dakota and Nebraska. In Nebraska there are old records from Furnas County. |
| Larval Hostplant(s): Woody shrubs and trees are listed, of which the following are found in the state: Cottonwood (Populus deltoides), willows (Salix species), quaking aspen (Populus tremuloides), plums and cherrys (Prunus species) and ashes (Fraxinus species). |
| Overwinter: As pupae |
| Commentary/Habitat: Doug Long collected several specimens of this western species around Holbrook in the late 1950s or early 1960s. Excepting occasional unusal circumstances (when it is probably overlooked) it is likely absent from the state a great majority of the time. |
| Similar Species: Eastern Tiger Swallowtail and Two-tailed Swallowtail |
