More than eight decades ago, a mesmerizing butterfly with iridescent cobalt wings and stunning spots called the Xerces blue vanished from San Francisco. When it disappeared, the Xerces became ...

The Xerces Blue butterfly (Glaucopsyche xerces) was native to the coastal dunes of San Francisco, in the United States. As the city grew, much of the butterfly’s habitat was destroyed and its ...

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 ...

In 1943, the gossamer-winged Xerces blue butterfly disappeared from San Francisco as housing, parks and museums completely wiped out its habitat in what is now the Richmond and the Sunset.

Why not give them Microsoft Office? It arrives in seconds SAN FRANCISCO – More than 80 years ago, a beautiful butterfly called Xerces Blue that once fluttered among San Francisco's coastal dunes ...

But a key piece of the puzzle was missing — until now. The Xerces blue butterfly, which serves as both pollinator and prey in the ecosystem, has been extinct since 1943. So scientists ...

SAN FRANCISCO — More than 80 years ago, a beautiful butterfly called Xerces blue that once fluttered among San Francisco’s coastal dunes went extinct as stately homes, museums and parks ate up ...

Get ready to spring into savings with exclusive Insider Deals designed to refresh your home, kitchen and lifestyle—all on a budget. SAN FRANCISCO – More than 80 years ago, a beautiful ...

SAN FRANCISCO (AP) — More than 80 years ago, a beautiful butterfly called Xerces Blue that once fluttered among San Francisco’s coastal dunes went extinct as stately homes, museums and parks ...