Add Yahoo as a preferred source to see more of our stories on Google. A Silvery Blue butterfly. Gayle Laird More than 80 years after the iconic Xerces Blue butterfly vanished from San Francisco, ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The first insectile casualty of human activity in the United States was ...

It’s been roughly 80 years since the Xerces blue butterfly was last spotted flitting about on pastel wings across coastal California sand dunes. But scientists are still learning about the insect. The ...

Durrell Kapan propped himself on his elbows to inspect a shrubby plant. He peered through a monocular in search of a sign that a pioneering experiment to restore something missing from these coastal ...

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 ...