Wireworms is on the minds of Prince Edward Island potato farmers in Canada, many of whom gathered Tuesday to learn about new ways to combat the destructive insect. According to the P.E.I. Potato Board, the pest costs the industry at least $6 million per year. “It really had quite a bite on us on the 2013 crop. The wireworm is a very tough beast to get under control,” said John Ramsay, who operates Oyster Cove Farms Ltd. in Hamilton. Report