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Santa Barbara Field Guides Butterflies

     Pontia protodice
     Checkered White

male upperside
male underside

Size: wingspread 1.5-2 in.
Recognition: White; few spots on upper FW, with more distinct spots down outer edges of FW and HW in female.
Flight period: Adults are active all year, with peak flying time occurring in the late spring.
Hostplants: The larvae of the Checkered White feed on plants in the mustard family (Brassicaceae),such as peppergrass, tumble mustard, and occasionally plants in the caper family.
Habitat: Found in various open areas including fields, roadsids, deserts, suburbs, and coastal areas.
Distribution: Found throughout the U.S. and Central America, with localities around southern California in a variety of habitats and altitudes.

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