35-54mm averaging 40mm wingspan
Dorsal, orange with black markings, consistant with other lesser fritillaries.
Ventral, silver border along both outer wing margins, and HW basal spot is white with a black center spot.
Throughout Canada and the northern U.S. extending southward along the Rockies, and Appalachians.
Found throughout north central Eurasia.
Marshes, bogs, and sedge meadows. Nectars in adjacent fields.
In north and at higher elevations, one brood, flying mostly in June. At lowest elevations and southward, May to October with two or perhaps three broods. Overwintering as caterpillars.
Populations have been declining in most areas, because they aren't able to adapt very well to changing habitats.