[Checkerspots East of the Cascade Mountains of Oregon and Washington]

Chalcedona Checkerspot, Snowberry Checkerspot, Western Checkerspot

Euphydryas chalcedona

Chalcedona Checkerspot, Snowberry Checkerspot: Euphydryas chalcedona - Chalcedona Checkerspot, Snowberry Checkerspot: Euphydryas chalcedona - Chalcedona Checkerspot, Snowberry Checkerspot: Euphydryas chalcedona

Snowberry checkerspot observed mudding along the South Prong Trail #821, Black Canyon Wilderness.......June 16, 2019.

Chalcedona Checkerspot, Snowberry Checkerspot: Euphydryas chalcedona

The photo above shows a close-up view of a snowberry checkerspot as seen mudding on moist soils on prairie slopes above the Snake River along the trail between Buckhorn Lookout and Eureka Bar in Wallowa-Whitman N.F........June 27, 2008.


Chalcedona Checkerspot, Snowberry Checkerspot: Euphydryas chalcedona - Chalcedona Checkerspot, Snowberry Checkerspot: Euphydryas chalcedona - Chalcedona Checkerspot, Snowberry Checkerspot: Euphydryas chalcedona

Chalcedona checkerspot nectaring upon the flowers of nettleleaf horsemint (Agastache urticifolia) along the Fremont National Recreation Trail #160 on the western slopes of Twelvemile Peak, Fremont-Winema National Forest.....July 16, 2022.

Chalcedona Checkerspot, Snowberry Checkerspot: Euphydryas chalcedona

This photo shows a chalcedona checkerspot on nodding microseris (Microseris nutans) as seen near Table Mt. along the east rim of Joseph Canyon, northern Wallowa-Whitman N.F........June 26, 2008.

Chalcedona Checkerspot, Snowberry Checkerspot: Euphydryas chalcedona

The photo above shows a colorful chalceona checkerspot as seen perched upon yampah (Perideridia sp) in meadows several miles south of Hat Pt. in Hells Canyon National Recreation Area.........July10, 2007.

Chalcedona Checkerspot, Snowberry Checkerspot: Euphydryas chalcedona

The phot above shows a blurry view of the upper wing surface of a chalcedona checkerspot nectaring on slender cinquefoil (Potentilla gracilis) as seen in meadows several miles north of Lake Penland along the Blue Mt. Scenic Highway in the Umatilla National Forest of north-central Oregon..........June 22, 2007.

Chalcedona Checkerspot, Snowberry Checkerspot: Euphydryas chalcedona

The phot above shows a blurry (photographed through tall grass) view of the underside of the wings of a chalcedona checkerspot nectaring on slender cinquefoil (Potentilla gracilis) as seen in meadows several miles north of Lake Penland along the Blue Mt. Scenic Highway in the Umatilla National Forest of north-central Oregon........June 22, 2007.

Chalcedona Checkerspot, Snowberry Checkerspot: Euphydryas chalcedona - Chalcedona Checkerspot, Snowberry Checkerspot: Euphydryas chalcedona

The photo at left shows a well worn chalcedona checkerspot as seen in meadows near Hat Pt. in Hells Canyon National Recreation Area........June 26, 2007. The photo at right shows chalcedona checkerspost on orange sneezeweed (Hymenoxys hoopesii) along Forest Road 3915 in the Mount Bidwell Recreation Area, about one and one-half miles north of the California border, Fremont-Winema National Forest......July 18, 2022.

Paul Slichter