Or one of the Tiger moths?:
http://ukmoths.org.uk/keywordsearch.php?keyword1=tiger

I remember how surprised I was the first time I encoutered the Garden Tiger - a glorious insect, more colourful than anything I expected to find in Britain.

Hi Matzukaze, Thanks for posting that link to the Magpie moth - that answered a question that had been puzzling me. I saw this brightly-coloured flier on the deck of a boat, off the coast of Lewis (North-west Scotland) last week, a sunny late afternoon. Like rsharp, I didn't know if it was moth or b...