The British swallowtail butterfly (Papilio machaon britannicus) is the U.K.'s only native swallowtail and its largest native ...

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 ...

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 ...

This is the 93-year-old Xerces blue butterfly specimen that researchers collected tissue samples from for this study. Field Museum The Xerces blue butterfly has the dubious distinction of being the ...

Visitors can get up close and personal with butterflies at Lukas Nursery in Oviedo where the Butterfly Encounter has been ...

There are plenty of things to buzz about when it comes to the 50 states. From their state flowers to animals, there are many fascinating pieces of fauna that identify and symbolize each state. Also ...

A new study confirms the British swallowtail butterfly is genetically unique. This native species possesses significantly ...

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 ...

Butterfly numbers have dropped by one-third in the past two decades in the US, echoing declines seen in Europe. These figures raise alarm bells for the health of other insect populations, because ...