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Speyeria adiaste

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Speyeria adiaste

Critically Imperiled  (NatureServe)[1]
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Nymphalidae
Genus: Speyeria
Species:
S. adiaste
Binomial name
Speyeria adiaste
Synonyms
  • Argynnis adiante Boisduval, 1869
  • Argynnis adiaste Behr, 1862

Speyeria adiaste, the unsilvered fritillary or adiaste fritillary, is a species of butterfly of the family Nymphalidae. It is found in coastal Californian mountains in two clusters, one in San Mateo County, Santa Cruz County, and Santa Clara County and the other cluster in Los Angeles County, Kern County, and Santa Barbara County.[3][4]

The wingspan is 50–61 mm. Adults feed on flower nectar. The upper side of the male can range from a pale reddish tan to a bright brick red. Females are larger and paler than the males. Dark markings are scattered and small expect on the bold post median line. The underside can range from a pale yellow to a gray. The hindwing spots are unsilvered and barely contrast with the background color.[3]

The larvae feed on Viola species, including Viola quercetorum.

Subspecies

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References

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  1. ^ "NatureServe Explorer 2.0". explorer.natureserve.org. Retrieved 2024-12-08.
  2. ^ "Speyeria Scudder, 1872" at Markku Savela's Lepidoptera and Some Other Life Forms
  3. ^ a b Butterflies and Moths of North America
  4. ^ "NatureServe Explorer 2.0". explorer.natureserve.org. Retrieved 2024-12-08.