Puss moth or Sallow Kitten

Observation - Puss moth or Sallow Kitten - UK and Ireland. Description: No pic afraid. Just wanted to know if it is only Puss moth larvae which have the red bits which are flashed from their 'tails' when disturbed or does Sallow Kitten have the same ability. I know both look alike but just wondered if that is a distinguishing

No pic afraid. Just wanted to know if it is only Puss moth larvae which have the red bits which are flashed from their 'tails' when disturbed or does Sallow Kitten have the same ability. I know both look alike but just wondered if that is a distinguishing feature as one flashed its red bits today at me! Thanks.