Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

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.
Comments: NULL
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Verified Sightings

Displaying 1 - 3 of 3 verified sightings
Observation date: Jul 29, 2005
Submitted by: stevekohler (Steve Kohler)
Region: Teton County, Montana, United States
Verified by: stevekohler (Steve Kohler)
Verified date: Feb 04, 2008
  Details
Observation date: unknown
Submitted by: legacy.reporter
Region: Glacier County, Montana, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
  Details
Observation date: unknown
Submitted by: legacy.reporter
Region: Toole County, Montana, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
  Details

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