Size: 1.25 - 1.5 inches wingspan

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Key ID features:  Above, off-white with dark gray pattern on FW tip and narrow black bar in forewing cell with no white scaling. Below, dark green marbling with minimal yellowish wash against pearly white background and yellow veins.

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Similar species:  Large Marble is notably larger. Desert Marble lacks pearly or shiny look to white areas between darker green marbling below, and is not found in Josephine County.

 

Host plant: Streptanthus (Jewel-flower) and possibly Arabis and Draba species.

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Habitat: Open montane and foothill slopes, dry meadows and canyons.

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Range: Primarily found in Josephine County near Jewel-flower.

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Season: Mid-March to early June

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Abundance: Common

 

Conservation Status: Secure