Desert Marble is a species of butterfly that occurs in the interior of British Columbia

British Columbia

British Columbia is the westernmost of Canada's provinces and is known for its natural beauty, as reflected in its Latin motto, Splendor sine occasu . Its name was chosen by Queen Victoria in 1858...

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It is mostly white with black markings on the topside of the forewing tips and body. The underside has greenish-grey veins especially in the hindwing.
Wing span is from 38 to 40 mm.

Flight season in North America is from April to May.

Larvae on Arabis furcata, Arabis sparsiflora, Arabis bolboellii, and Halimolobos whitedi.