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 ...

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 ...

The beautiful Xerces blue butterfly was a distinct species, according to a new study. It hasn't been seen alive since 1943. Reading time 3 minutes Scientists say they’ve confirmed a decades-old ...

Wildlife charity Butterfly Conservation said that a warm, dry spring this year has raised hopes that butterflies could be out ...

The Xerces blue butterfly was last seen flapping its iridescent periwinkle wings in San Francisco in the early 1940s. It's generally accepted to be extinct, the first American insect species destroyed ...

BLOOMINGTON, Ind., Feb. 3 (UPI) --Scientists say a newly discovered insect named Oregramma illecebrosa looks -- and probably acted -- like a butterfly, but predates the earliest iterations of the ...