description California Sister Overview
The California Sister (*Adelpha californica*) is a North American butterfly in the Nymphalidae family, predominantly found along the Pacific Coast from Oregon down to Baja California. The species is characterized by its dark brown or blackish wings, prominently featuring a striking diagonal orange bar and white spots across the upper surfaces. Its common name derives from its close physical resemblance to the related Admiral butterflies. The butterfly is strongly associated with oak woodlands and forests, as its caterpillars exclusively feed on the leaves of various oak trees.
help California Sister FAQ
What is the California Sister butterfly?
The California Sister is the butterfly species Adelpha californica. It is a North American member of the Nymphalidae family found mainly along the Pacific Coast.
Where can California Sister butterflies be found?
Their range extends from Oregon through California to Baja California. This Pacific Coast distribution matches the species' common name.
How can you recognize a California Sister butterfly?
It has dark brown or blackish wings with a prominent contrasting stripe. The striking wing pattern helps distinguish it from many other dark woodland butterflies.
What family does the California Sister belong to?
Adelpha californica belongs to the Nymphalidae family, commonly called the brush-footed butterflies. It is one of the North American species in that large butterfly family.
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