The cabbage white butterfly is an invasive species, arriving in the late 19th century from Europe. It immediately went to work, mating and laying eggs on mustards, cruciferous plants, and nearly ...

A brightly colored Mediterranean butterfly had long been confused with a common species. Genetic analyses have revealed its ...

Identifying specific types of butterflies allows for better conservation, Blaca said. "Some of these species are threatened with extinction, and so there's a lot to do now we can put a name to ...

Butterfly sightings are up 83% this year, but that follows a steep decline as the habitats that are vital for Ireland’s ...

Two newly-discovered butterfly species were named after Sauron, the "The Lord of the Rings" villain. Blanca Huertas said she was inspired by the butterfly's wing patterns and her decade-long research.

That’s not the end of the story. The Xerces blue butterfly vanished from San Francisco in the 1940s. Scientists just released dozens of butterflies from a related species to take its place.

The Fender's blue butterfly is found only in Oregon's Willamette Valley — a 150-mile long region in the state that stretches from Portland to Eugene — says the service. The species was thought ...

About 170 butterfly species occur in North Carolina as permanent residents, regular visitors, or rare strays. Some of these are restricted to either the coastal or mountain regions.

A silvery blue butterfly, the closest relative to the extinct Xerces blue butterfly, is seen under netting after its release in the Presidio's restored dune habitat in San Francisco, Thursday ...

More than half of the butterfly species in the UK are in long-term decline for the first time and experts say human actions are to blame. The UK Butterfly Monitoring Scheme, run by a coalition of ...