Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The Bog Fritillary or Ocellate Bog Fritillary (Boloria eunomia) is a butterfly of the Nymphalidae family. The wings are orange-brown with dark markings. The color of the hindwings are orangish-brown with a tan postmedian band followed by a row of round silver spots. The length of the forewings is 20 24 mm. The butterfly may be threatened by bog hydrology. The males search for females in wet areas. The butterfly has the subspecies triclaris (from Newfoundland to Alberta), nichollae (Alberta), and denali (Alaska and northern Yukon). The butterfly flies close to the ground.The species is listed as vulnerable.