Size: 1.25 - 1.5 inches wingspan

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Key ID features:  Above, pearly-white with black pattern on FW tip and thin black rectangle in forewing cell with no white scaling. VHW green marbling is lighter,  with yellow wash and yellow veins.

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Similar species:  Large Marble is notably larger. California Marble VHW has pearly or shiny look to white areas, with darker green marbling, and is found only in and near Josephine County.

 

Host plant: Tall tumblemustard, tansy mustard, rockcress and other crucifers.​

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Habitat: Primarily arid bottomlands, including desert flats, sage-steppe, bitterbrush plateaus, Pinyon-Juniper forest, and dry gullies.

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Range: Most of eastern Oregon except Blue, Aldrich and Wallowa Mtns.

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Season: Late March to late June

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Abundance: Common

 

Conservation Status: Secure