Greater fritillaries
Speyeria cybele feeding on Asclepias tuberosa.
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Family:	Nymphalidae
Tribe:	Argynnini
Genus:	Speyeria Scudder, 1872
Species
See text
Synonyms
Mesoacidalia Reuss, 1926 Neoacidalia Reuss, 1926 Proacidalia Reuss, 1926 Semnopsyche Scudder, 1875

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.^[1]

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:^[1]

• 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