''Adelpha eulalia'', the Arizona sister, is a species of butterfly in the family Nymphalidae. It occurs from at least

Guatemala Guatemala ( ; ), officially the Republic of Guatemala ( es, República de Guatemala, links=no), is a country in Central America. It is bordered to the north and west by Mexico; to the northeast by Belize and the Caribbean; to the east by H ...

and Mexico to the southwestern United States, including southeastern California, Arizona, New Mexico, and southern Texas. They can also sometimes be found in

Oklahoma Oklahoma (; Choctaw language, Choctaw: ; chr, ᎣᎧᎳᎰᎹ, ''Okalahoma'' ) is a U.S. state, state in the South Central United States, South Central region of the United States, bordered by Texas on the south and west, Kansas on the nor ...

, Kansas, Colorado, Utah, and Nevada. ''Adelpha eulalia'' belongs to the ''serpa'' species group in the genus '' Adelpha'' (sisters). It was previously treated as a

subspecies In biological classification, subspecies is a rank below species, used for populations that live in different areas and vary in size, shape, or other physical characteristics (morphology), but that can successfully interbreed. Not all species ...

of Bredow's sister (''

Adelpha bredowii ''Adelpha bredowii'', the Bredow's sister, is a species of butterfly in the family Nymphalidae. It is endemic to western, central, and southern Mexico. ''Adelpha bredowii'' belongs to the ''serpa'' species group in the genus ''Adelpha'' (sisters) ...

''). Recent phylogenetic studies, however, conclude that morphological, geographical, and genetic evidence make it clear that it is a separate species.

References

Nymphalidae of South America Adelpha Butterflies described in 1848 Butterflies of North America Taxa named by Edward Doubleday {{Limenitidinae-stub

See also

References