The European paper wasp looks similar to a yellow jacket, but has a narrower body and longer hind legs. Cherry growers in British Columbia, Canada, are battling a pest that last year forced several of them to walk away from their crop before ­picking. The European paper wasp (Polistes dominulus) was first reported to be causing damage in the province in 2003, but it became a serious problem in the Creston Valley three years ago, reports Duane Holder of FarmQuest Consulting, Ltd., in Creston. In 2008, damage was less severe, but last season, ­damage was serious again and several orchards […]