A California Sister Butterfly, on the Monrovia Waterfall Trail with wings opened, showing the beautiful coloration on its inside wings. This species of butterfly was formerly called Adelpha bredowii and occurs in California and the Pacific Northwest. Its eggs are laid singly on leaves of Coast Live Oaks (Qurecus agrifolia) and Canyon Live Oak (Quercus chrysolepis) between the months of March through October. The larvae, or catepillars, feed on Quercus leaves, absorbing their tannins, thereby making the larvae and adult butterflies unpallatable to preditors. Click here for another view of this butterfly. Click on the photo for more info.
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A California Sister Butterfly, resting on White Alder leaves with wings folded, showing the more subdued coloration on the outside of its wings. Click on the photo for more info.
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