Most Beautiful Butterfly "Morpho"

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I would like to introduce one of my favorite insects, the Morpho butterfly. 
This butterfly is a bit famous among insect fans. There are 80 species of them and most of them are in Brazil. 
Morpho from various angles
　　　　　　　　　　　　　
It looks like the color is blue, but the Morpho not have real blue wings. This time, I won't to write about how it lives, but rather the mechanism why these wings look blue.


The wings of this morpho butterfly have no blue pigment and it doesn't have a specific color. The scales regulate the wavelength of blue light. This is why they appear blue. So other insects often lose their beautiful colors because they gradually lose their pigmentation when they die, but morphos keep retain their beautiful colors even after death because they make their colors from form. By the way, if changing the trajectory of light refraction, does it change the color too?

This is the Video link↓
The reason why the color is because that it the wing structure changes the way the light refracts. This result shows that the color appears to change.




This appears to be an ordinary blue car, but in fact it uses a paint that mimics the light refraction of a morpho butterfly. 


Of course, blue is not used in this pigment either, but rather a structural color that is made to appear blue by reflection of only blue wavelengths.
If you want this Morpho butterfly, I suggest you go to Brazil . Also, I would like to see it alive.

References

https://ameblo.jp/kozoshoku/entry-12543597638.html

https://www.bunka.pref.mie.lg.jp/MieMu/82984046671.htm

http://www.yoshioka-lab.com/kaisetsu/morpho.html

https://kotobank.jp/word/%E9%B1%97%E7%B2%89-660198

https://gazoo.com/column/daily/18/07/13/#:~:text=%E4%B8%AD%E5%8D%97%E7%B1%B3%E3%81%AB%E7%94%9F%E6%81%AF%E3%81%99%E3%82%8B%E3%83%A2%E3%83%AB%E3%83%95%E3%82%A9,%E5%87%BA%E3%81%97%E3%81%A6%E3%81%84%E3%82%8B%E3%81%AE%E3%81%A7%E3%81%99%E3%80%82

https://twitter.com/raptorial_owlet/status/1152910741931868160

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