Size: 1.5 - 2.0 inches wingspan

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Key ID features:  Above, white with black markings near tip of forewing. Below, bold greenish borders along veins especially on hindwing.

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Similar species:  Western White is smaller and much less green along veins below. 

 

Host plant: A large number of arid land mustards.

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Habitat: Arid habitats, both disturbed and undisturbed.

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Range: Primarily east of the Cascade Mtns, with a few records in the Willamette Valley.

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Season: Mid-March to mid-September

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Abundance: Common

 

Conservation Status: Secure