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马尾松毛虫是马尾松的一大害虫,我县从1965年以来曾先后暴发三次:1966年受灾面积达20.8万亩,1974年15万余亩,1978、1979两年虫灾更猖獗,25个公社受灾,面积达40余万亩。全县因该虫危害,松木生长量减少近2万立方米,损失松枝柴120余万担。为了探索松毛虫在我县的消长规律,以便采取积极有效的防治措施,近年来,我们对马尾松毛虫的暴发与气候条件的关系进行
Masson pine caterpillar is a large pest of Masson pine, our county has been outbreak since 1965 three times: 1966 affected area of 208,000 mu, more than 15 acres in 1974, 1978,1979 pests more rampant, 25 communes Affected, an area of more than 40 acres. The county due to the pest damage, reduce the growth of pine nearly 20000 cubic meters, the loss of more than 1200000 pine needles. In order to explore the law of the growth and decline of pine caterpillars in our county in order to take active and effective control measures, in recent years, we conducted an investigation on the relationship between the outbreak of masson pine caterpillars and climatic conditions