Editorial use only.
Birdwing butterfly research. Specimen of Queen Alexandra's birdwing (Ornithoptera alexandrae) being studied under a microscope at a museum. Previously known as Troides alexandrae, this rare butterfly from eastern Papua New Guinea is the largest butterfly in the world. Its wingspan can exceed 25 centimetres. This study, by CNRS researcher Serge Berthier, is being carried out at the French National Museum of Natural History (Museum national d'histoire naturelle, MNHN) in Paris, France. The screen shows a graph relating to wavelength of light passing through the wings. Photographed in 2008.
Model release not available. Property release not required.