Species Detail

Margined White

Pieris marginalis Scudder, 1861

JPG -- species photo

Attributes of Pieris marginalis


Family: Whites and Sulphurs (Pieridae)

Subfamily: Whites (Pierinae)

Identification: Summer form is pure white above and below; spring form has black-tipped upper forewing. Underside of hindwing and apex of forewing have veins edged with yellow-green or gray-green.

Life history: Males patrol for receptive females. Eggs are laid singly on underside of host plant leaves on which the caterpillars feed. Chrysalis hibernates.

Flight: Two flights from February-September in the West.

Wing span: 1 1/2 - 2 1/4 inches (3.8 - 5.7 cm).

Caterpillar hosts: Various native plants in the mustard (Brassicaceae) family.

Adult food: Nectar from flowers of the mustard family and other plants.

Habitat: Forests, meadows, deciduous woods, streamsides.

Range: Southern British Columbia and Alberta south to central California and southern New Mexico; east to eastern Wyoming and eastern Colorado.

Conservation: Not usually required.

NatureServe Global Status: Not reported

Management needs: Study effects of logging and grazing.

Documented Records for Pieris marginalis
in Washington



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