Colourful caterpillar (?)

Colourful caterpillar (?)

Observation - Colourful caterpillar (?). Description: Photographed this in the garden last Summer. I can't remember what(or if) it was feeding on. I have looked in my ID books and Googled it but haven't found anything similar.

Photographed this in the garden last Summer. I can't remember what(or if) it was feeding on. I have looked in my ID books and Googled it but haven't found anything similar.