Habrodais grunus, the Golden Hairstreak, can be found in WA,OR,CA,CO,KS,NV,AZ,WY, and UT.
Favorite nectar plants include: Anaphalis and Prunus
USDA Growing Zones for these plants include: 2,3,4,5,6,7

Host plants:
Chrysolepis chrysophylla
Lithocarpus densiflorus
Quercus chrysolepis
Quercus vacciniifolia
Quercus vacciniifolia x chrysolepis

CC 2.0 images courtesy of
Anne Toal
Anne Toal
Anne Toal
and
Melissa McMasters