辽宁省中朝边境农作物病虫害调查队1979年6月发现世界性检疫害虫——美国白蛾(本刊1979年第18期曾报道过有关资料)已从朝鲜民主主义人民共和国传入我省.现将有关调查材料介绍如下,以便开展普查工作,及早扑灭,防止蔓延. Investigation team of pests and diseases of crops on the border between China and North Korea in Liaoning Province discovered in 1979 that the world quarantine pest - the American white moth (this article was reported in the 18th issue of 1979) has been introduced into the province from the Democratic People’s Republic of Korea. The investigation materials will be introduced below in order to carry out census work, put out as soon as possible to prevent the spread.