Speyeria, commonly known as greater fritillaries, is a genus of butterflies in the family Nymphalidae commonly found in North America, Europe, and Asia. Some authors used to consider this taxon a subgenus of Argynnis, but it has been reestablished as a separate genus in 2017.
Species
The genus has 3 species in Eurasia (these were formerly known as genus Mesoacidalia, now a synonym of Speyeria): Speyeria aglaja (Linnaeus, 1758) – Dark green fritillary Speyeria alexandra (Ménétriés, 1832) Speyeria clara (Blanchard, [1844])
and 16 species in North America: Speyeria diana (Cramer, [1777]) – Diana fritillary Speyeria cybele (Fabricius, 1775) – great spangled fritillary Speyeria aphrodite (Fabricius, 1787) – Aphrodite fritillary Speyeria idalia (Drury, [1773]) – regal fritillary Speyeria nokomis (Edwards, 1862) – Nokomis fritillary Speyeria edwardsii (Reakirt, 1866) – Edward's fritillary Speyeria coronis (Behr, 1864) – Coronis fritillary Speyeria zerene (Boisduval, 1852) – zerene fritillary Speyeria carolae (dos Passos & Grey, 1942) – Carole's fritillary Speyeria callippe (Boisduval, 1852) – callippe fritillary Speyeria egleis (Behr, 1863) – Egleis fritillary Speyeria adiaste (Edwards, 1864) – unsilvered fritillary or Adiaste fritillary Speyeria atlantis (Edwards, 1862) – Atlantis fritillary Speyeria hesperis (Edwards, 1864) – northwestern fritillary Speyeria hydaspe (Boisduval, 1869) – Hydaspe fritillary Speyeria mormonia (Boisduval, 1869) – Mormon fritillary
References
Further reading
Glassberg, Jeffrey (2001). Butterflies through Binoculars: The West. Guppy, Crispin S. and Shepard, Jon H. (2001). Butterflies of British Columbia. James, David G. and Nunnallee, David (2011). Life Histories of Cascadia Butterflies. Pelham, Jonathan (2008). Catalogue of the Butterflies of the United States and Canada. Pyle, Robert Michael (2002). The Butterflies of Cascadia.