Where the Xerces Blue Was Lost, Its Closest Relative Has Been Restored

Yale e360
Apr 16, 2024, 9:13 am229 pts
More than 80 years after the iconic Xerces Blue butterfly vanished from San Francisco, researchers have analyzed century-old specimens of the butterfly to track down its closest living relative, the Silvery Blue. Last week, they released a handful of Silvery Blues on the western edge of the city, where Xerces…

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