Species or element:
Leucoma salicis I don't remember where I saw photo of Leucoma salicis on the web for the first time but I thought that it looked so cute. And was surprised that it can look so charming and fluffy. So I decided to draw it and show others that butterflies can also look like this.
As the author of illustration I have given permission for it to be loaded on Wikimedia Commons, Creative Commons Attribution Share Alike 3.0.