''Speyeria adiaste'', the unsilvered fritillary or adiaste fritillary, is a species of
butterfly of the family
Nymphalidae. It is found in California north to
San Mateo County and east to north
Los Angeles County
Los Angeles County, officially the County of Los Angeles, and sometimes abbreviated as L.A. County, is the most populous county in the United States and in the U.S. state of California, with 9,861,224 residents estimated as of 2022. It is the ...
and
Kern County.
Butterflies and Moths of North America
/ref>
The wingspan is 50–61 mm. Adults feed on flower nectar.
The larvae feed on '' Viola'' species, including '' Viola quercetorum''.
Subspecies
*'' Speyeria adiaste adiaste''
*†
A dagger, obelisk, or obelus is a typographical mark that usually indicates a footnote if an asterisk has already been used. The symbol is also used to indicate death (of people) or extinction (of species). It is one of the modern descendan ...
'' Speyeria adiaste atossa''
*'' Speyeria adiaste clemencei''
References
Speyeria
Butterflies described in 1864
Butterflies of North America
Taxa named by William Henry Edwards
{{Heliconiinae-stub