Genetic sequencing links Silvery blue butterflies to extinct Xerces blue. From March through May 2025 scientists hope to see new generation of silvery blue butterflies emerge after introduction to ...

Dozens of Silvery Blue butterflies — the closest living ... The iconic butterfly, whose name inspired the Xerces Society, an environmental nonprofit that focuses on the conservation of ...

The California Academy of Sciences used genetic testing to identify a blue butterfly species similar to the Xerces species that went extinct and disappeared from the San Francisco coastline.