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CENTER for BIOLOGICAL DIVERSITY Because life is good
ABOUT ACTION PROGRAMS SPECIES NEWSROOM PUBLICATIONS SUPPORT

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ENDANGERED SPECIES ACT PROFILE

PROTECTION STATUS: Not listed

PETITIONED: 2002

RANGE: San Juan Island

THREATS: Habitat loss and degradation due to development, livestock grazing, and pesticides

POPULATION TREND: Although several small populations have been found in recent years, there is only one potentially viable population of approximately 200 butterflies.

Photo © Bill Yake