Species Detail

Silver-bordered Fritillary

Boloria selene ([Denis & Schiffermüller], 1775)

JPG -- species photo

Attributes of Boloria selene


Family: Brush-footed Butterflies (Nymphalidae)

Subfamily: Longwings (Heliconiinae)

Identification: Upperside orange with black markings. Underside of hindwing with rows of metallic silver spots; postmedian spots small and black.

Life history: Males patrol wet areas for females. Eggs are laid singly near host plants. Caterpillars feed on leaves; third-stage caterpillars hibernate.

Flight: One flight from June-July in the north, two to three flights from May-September in the east.

Wing span: 1 3/8 - 2 1/8 inches (3.5 - 5.4 cm).

Caterpillar hosts: Violets including Viola glabella and V. nephrophylla.

Adult food: Favorite nectar sources are composite flowers, including goldenrod and black-eyed susans.

Habitat: Wet meadows, bogs, marshes.

Range: Holarctic. Central Alaska southeast through Canada south of the taiga; northern United States from central Washington south along Rocky Mountains to northern New Mexico; east to Illinois, Virginia, and Maryland.

Conservation: Not usually of concern, but isolated populations in plains and east of the Cascades should be conserved.

NatureServe Global Status: G5 - Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery.

Management needs: Protect habitat of selected populations.

Documented Records for Boloria selene
in Washington



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