Atlantis Fritillary (Speyeria atlantis atlantis) - Photos of this species taken in Michigan. Regal Fritillary (Speyeria idalia) - Photo of male and female, distinguishing characteristics, range, behavior, and cause of decline. Meadow Fritillary (Boloria bellona) - Photo, physical description, range, habitat, ecology, and reproduction. Heliconius Butterflies - Checklist of Longwing butterflies of the Neotropics. Some photos included. Heliconius Homepage - Site for scientists studying the ecology and evolution of butterflies in the genus Heliconius. Includes genetics database and links to related resources. Heliconius Butterfly Photo Gallery - Some colorful photographs from a breeder in the UK. General Information on Heliconius Butterflies - Provides references and web resources. Heliconius Postman and Rayed Mimicry Rings - Photographs of Mullerian mimicry in Heliconius species in Peru. Behren’s Silverspot (Speyeria zerene behrensii) - Information on this endangered species, its description, life history, distribution and threats. Callippe Silverspot (Speyeria callippe callippe) - Information on this endangered species, its description, life history, distribution and threats. Diana Fritillary (Speyeria diana) - Information on this endangered species, its description, life history, distribution and threats. Arctic Fritillary (Boloria chariclea) - Species account describes the life history, flight period, caterpillar hosts, adult food, and habitat of this species. Distribution map and photo provided. Silver-bordered Fritillary (Boloria selene) - Photos, distribution map, and facts about the life history and ecology of this species. Variegated Fritillary (Euptoieta claudia) - Physical traits, life history, flight period, diet, and habitat. Includes photos and range map. Great Spangled Fritillary (Speyeria cybele) - Physical description, range, abundance in Canada, flight period, and life cycle. Includes photos.