North American Butterfly Association
Arctic Valley Ski Area
Anchorage Municipality, AK
Sunny breezy late afternoon with temperatures in the mid-sixties and a good mix of butterflies. I selected “Mustard White” because an option for “Margined White” isn’t available and Pieris oleracea seems closer to Pieris marginalis than Pontia occidentalis. The fritillary is also challenging as it appears more like Boloria freija than Boloria chariclea based on reference to Butterflies of Alaska (by Ken Philip and Cliff Ferris) but Arctic fritillary seems the closest available option. Unfortunately I didn’t get a useful photo of the underside. It was surprisingly battered for so early in the season. I welcome any corrections. A second fritillary was observed but no photos were obtained. Likewise for a light-colored swallowtail.
About the sightings pages
© 2021 North American Butterfly Association.