自1984年10月至1985年1月上旬,畹町口岸检验的植物及植物产品尚未发现谷斑皮蠹幼虫及成虫。1985年1月9日、15日在进口的磨芋片和绿豆包装物上发现谷斑皮蠹幼虫各一头。2月4日对进口的80袋绿豆包装物进行10%抽拌检查,从10只麻袋里查获谷斑皮蠹幼虫7头。从1982年以米畹町分所积累的资料来看,冬季很少或未查到谷斑皮蠹 From October 1984 to early January 1985, the larvae and adults of Hogweed were not found in plants and plant products tested at the Matsudo Port. On January 9, 1985, on the 15th, one head of larvae of Hogweed was found on the imported ground taro and mung bean packaging. On February 4, 10 bags of imported 80 bags of mung beans were subjected to a 10% mixing check, and seven pachyrhizus larvae were found from 10 sacks. According to the accumulated data from the Mita-machi branch in 1982, there are few or no winters in winter