Attributes of Boloria alberta

Alberta Fritillary
Boloria alberta (W.H. Edwards, 1890)

Family: Nymphalidae
Subfamily: Heliconiinae
Identification: Dull and dark. Males smoky orange; females smoky brown and pale orange; both with blurred markings.
Wing Span: 1 1/2 - 1 3/4 inches (3.8 - 4.5 cm).
Life History: Males patrol near the host plant, close to the ground on hillsides. Two years are required for development from egg to adult. First-stage caterpillars hibernate the first winter; older caterpillars the second winter.
Flight: One brood from late July-early August.
Caterpillar Hosts: Probably alpine avens (Dryas octopetala).
Adult Food: Flower nectar.
Habitat: Barren, windswept alpine ridges.
Range: Uncommon. British Columbia and Alberta south to northern Washington and northern Montana.
Conservation: Populations in the contiguous United States are extremely limited, occur on public lands, and should be conserved.
NCGR: G4 - Apparently secure globally, though it might be quite rare in parts of its range, especially at the periphery.
Management Needs: None reported.
Taxonomy Notes:

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Observation Date Submitter Region Verified Datesort icon
July 29, 2005 stevekohler (Steve Kohler) Teton County, Montana, United States February 04, 2008 Details
January 01, 1950 legacy.reporter Glacier County, Montana, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Toole County, Montana, United States December 31, 2004 Details