Adelpha bredowii was split into Adelpha eulalia and Adelpha californica as a result of the work published by Prudic et al.
Prudic, K.L., A.D. Warren, and J. Llorente-Bousquets. 2008. Molecular and morphological evidence reveals three species within the California sister butterfly, Adelpha bredowii (Lepidoptera: Nymphalidae: Limenitidinae). Zootaxa 1819: 1–24.