![Pterin pigment granules are responsible for both broadband light scattering and wavelength selective absorption in the wing scales of pierid butterflies | Proceedings of the Royal Society B: Biological Sciences Pterin pigment granules are responsible for both broadband light scattering and wavelength selective absorption in the wing scales of pierid butterflies | Proceedings of the Royal Society B: Biological Sciences](https://royalsocietypublishing.org/cms/asset/1a8f5dd2-6843-44a1-9cab-31cffeb8accb/359fig1.jpg)
Pterin pigment granules are responsible for both broadband light scattering and wavelength selective absorption in the wing scales of pierid butterflies | Proceedings of the Royal Society B: Biological Sciences
![Pterin pigment granules are responsible for both broadband light scattering and wavelength selective absorption in the wing scales of pierid butterflies | Proceedings of the Royal Society B: Biological Sciences Pterin pigment granules are responsible for both broadband light scattering and wavelength selective absorption in the wing scales of pierid butterflies | Proceedings of the Royal Society B: Biological Sciences](https://royalsocietypublishing.org/cms/asset/9f594eaf-bc94-4415-8d36-ad76ff2b5da9/359fig2.jpg)
Pterin pigment granules are responsible for both broadband light scattering and wavelength selective absorption in the wing scales of pierid butterflies | Proceedings of the Royal Society B: Biological Sciences
![Pterin pigment granules are responsible for both broadband light scattering and wavelength selective absorption in the wing scales of pierid butterflies | Proceedings of the Royal Society B: Biological Sciences Pterin pigment granules are responsible for both broadband light scattering and wavelength selective absorption in the wing scales of pierid butterflies | Proceedings of the Royal Society B: Biological Sciences](https://royalsocietypublishing.org/cms/asset/91248ed7-18ab-4572-8fa1-c6fd50f343f0/359fig3.jpg)