However, some data is collated on butterfly numbers, and Mr Shardlow says that this year could see the lowest number of that insect ever recorded in the UK. Moths, too, are being seen in fewer numbers, he said.

BBC: UK insect numbers 'very low' after months of wet weather

" I have a hunch that he means the tough-minded Tati who made "Playtime" -- a difficult, seldom-seen experimental comedy that also starts with drum riffs on the soundtrack -- more than the gently whimsical Tati who puffed a pipe and toted a butterfly net in "Mr. Hulot's Holiday.

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In London Mr Hirst presides over two large industrial units producing the butterfly-wing pictures and his photo-realist paintings.

ECONOMIST: Damien Hirst