The Australia Trade Tasting event has returned to London showcasing more than 700 wines from 200 wine producers to hundreds of trade and media in the United Kingdom, South Australia and truffles are not commonly associated, but Truffle farmers, known as truffières, are slowly becoming more common in the state and Dr Graeme Stevenson, who is renowned in Tasmania for is his pioneering work with dung beetles and earthworms has been awarded and OAM.