The insect, the Xerces blue butterfly, died out in the mid-20th century as a result of pronounced habitat loss, according to the Florida Museum of Natural History.

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 ...

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.

Or rather, she made it right, building a net out of a community of friends and her devotion to resurrecting a cerulean-blue, thumbnail-size butterfly once believed extinct — the Palos Verdes blue.

A 93-year-old Xerces blue specimen’s DNA shows that the butterfly is a distinct species, making it the first U.S. insect humans drove to extinction.

SAVING THE MIAMI BLUE BUTTERFLY After Hurricane Andrew ripped through South Florida in 1992, the already-scarce Miami blue butterfly almost went extinct: No one recorded a single sighting for years.

SAVING THE SMITH'S BLUE BUTTERFLY The Smith's blue butterfly may be tiny, but it's endangered in a big way. It spends its whole life within a few hundred yards of two native plants, seacliff buckwheat ...

The Palos Verdes blue has a similar story. But that doesn’t mean it’s impossible to see a blue butterfly in the South Bay. You just have to put in a little legwork.

Today marks the 25th anniversary of efforts to save the Large Blue butterfly, a parasite of ants that went extinct in the UK but has since been reintroduced to our green and pleasant lands.