With large jet-black wings, vivid white spots, and orange accents, this butterfly is truly breathtaking. It has a small ...

A new butterfly species, ... and wings that are brown on top and greyish brown with black spots below, this population was long thought to belong to the Half-moon Hairstreak (Satyrium semiluna).

Two wildlife charities are recruiting volunteers to help spot glow-in-the-dark caterpillars at night using ultraviolet lights. It is hoped the technique will make surveying butterflies and moths ...

The group was specifically looking for caterpillars of the UK's five species of hairstreak butterfly. The black hairstreak is endangered, the brown hairstreak and white-letter hairstreak are both ...

Scientists have discovered a new butterfly species in the Canadian Rockies, they report in ZooKeys. The Satyrium curiosolus, or “Curiously Isolated Hairstreak,” lives up to its name. Although ...

These coastal green hairstreak butterflies, also known as the “jewels of the Inner Sunset,” were once thought to be extinct in San Francisco due to habitat loss and invasive plants — but, in ...

Two wildlife charities are recruiting volunteers to help spot glow-in-the-dark caterpillars at night using ultraviolet lights. It is hoped the technique will make surveying butterflies and moths ...

A new butterfly species, Satyrium curiosolus, was discovered in a recent study at Blakiston Fan in Waterton Lakes National Park, Alberta. It has unique evolutionary history, having likely remained ...