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Great Spangled Fritillary. The great spangled fritillary has a wingspan 2.5 to 4 inches. It has scalloped orange forewings and hindwings. Females are a darker orange than males. They have black spots on the upperside of their wings and silver spots on the underside. Adults eat the nectar from many species of flowers including milkweeds, thistles, violets, ironweed, dogbane, mountain laurel, verbena, vetch, bergamot, red clover, joe-pye weed, and purple coneflower. The great spangled fritillary mates in June or July.
This great spangled fritillary was enjoying milkweed in a field at Muddy Run Park, Holtwood, Pennsylvania