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Arctic Fritillary

(Boloria chariclea)

 

 

Arctic Fritillary (Boloria chariclea [Schneider])

Wing span: 1 3/16 - 1 1/2 inches (3.1 - 3.9 cm).

Identification: Variable. Wings orange-brown with dark markings. Underside of hindwing margin has thin white spots topped with brown; inwardly pointing triangles are black with little or no white areas. Median band pale yellow-brown to purple-bro

Life history: Males patrol during warm daytime hours along edges of bogs and in valleys. Females lay eggs singly on the lower surface of leaves of many different plants; caterpillars eat the leaves of their host plants. This species requires 2 ye

Flight: One brood from late June-August.

Caterpillar hosts: Violets (Viola), scrub willows (Salix), and possibly blueberries (Vaccinium).

Adult food: Nectar from goldenrods (Solidago graminifolia, S. rugosa, and S. squarrosa) and asters.

Habitat: Taiga, tundra, alpine meadows and streamsides, acid bogs.

Range: Holarctic. Alaska through most of Canada east to Labrador and south to the north Cascades, south through the Rocky Mountains to Utah and northern New Mexico; northern Minnesota, northern Maine, and the White Mountains of New Hampshire.

 

Arctic Fritillary (Boloria chariclea)