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When I first got married, my mother-in-law asked me what my favourite creature was - so I told her it was Centrophlebomyia furcata. "Can you spell that?" she asked. I wrote it down for her and wondered why she was asking. A couple of months later, at Christmas, she presented me with a glass tankard on which was engraved a recognisable image of the fly! The engraver did say that he had never had such a difficult request before. The tankard still survives, thirty years on.:)