Glasswing butterflies may all look alike, but behind their transparent wings hides an evolutionary story full of intrigue. Researchers discovered that while these butterflies appear nearly identical ...

A large international team has genetically mapped glasswing butterflies found across Central and South America, rewriting the evolutionary tree and highlighting six new species. The team includes ...

Some butterflies can smell others of the same species, allowing them to identify each other in areas where multiple species all look the same, new research finds. A large international team has ...

A glasswing butterfly feeding at flowers in Costa Rica. The remarkable transparency of these butterflies allows them to be "invisible", and the antiglare coating of their wings helps to prevent them ...