Here is an extremely interesting dissertation on the physics of insect and plant colors.
“Photonics Structures Inspired by Nature”
The author is Mathias Kolle.
https://www.researchgate.net/publicatio ... _by_Nature
The illustrations are spectacular. In particular the butterfly scale structure.
And I shall never look at a shiny metallic insect cuticle quite the same.
A forum to ask questions, post setups, and generally discuss anything having to do with photomacrography and photomicroscopy.