Being pedantic, but it's common name is Saddleback Looper surelyWhen is a stick not a stick?
When it is Ectropis crepuscularia...
Known with the common name as The Engrailed moth. So here are 2 sticks - then.....
(Wiki is a wonderful thing lol ) Great pics as ever
Engrailed (moth) - Wikipedia
en.wikipedia.org