This isn't Leucoma salicis but a caterpillar of Moma alpium Kind regards, Jeroen Voogd English...
at URL: https://www.flickr.com/photos/155939562@N05/26183517097/ operator: Flickr URL: https://live.staticflickr.com/816/26183517097_4ca13df1d7_o.jpg...
_-_Scarce_merveille_du_jour_(caterpillar)_-_Совка-лишайница_(гусеница)_(26183517097).jpg){kind=link}