This is considered by the NABA list as a subspecies of Spring Azure, Celastrina ladon.
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Burleigh Murray, San Mateo County, CA, 3/1/2003
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Burleigh Murray, San Mateo County, CA, 3/1/2003
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Burleigh Murray, San Mateo County, CA, 3/1/2003
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Landels-Hill Big Creek Reserve, Monterey County, CA, 6/7/2003