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一、前言正确的昆虫区划,无论在害虫防治、益虫利用及植物检疫上,都具有十分重要的意义。它能提高人们的预见性,从而获得工作中的主动权。因此,搞好林虫区划,是一项实现林业现代化必不可少而又非常重要的基础工作。陕西省南北狭长,地跨古北、东洋两大地区,森林昆虫资源十分丰富。本文主要根据陕西省已经查明的500余种林虫的种群分布和发生为害情况,结合省内的自然条件和林业状况,就我省的林虫区划问题作一初步探讨,并力求对今后的防治和研究工作提出一些粗浅看法。
I. Preface Correct zoning of insects is of great importance both in the control of pests and in the utilization of beneficial insects and phytosanitary measures. It can enhance people’s foresight and gain the initiative in their work. Therefore, to do a good job of deforestation is an essential and very important basic work for forestry modernization. Shaanxi Province, north-south long narrow, across the ancient North and East two regions, forest insect resources are very rich. Based on the population distribution and occurrence of more than 500 kinds of forest pests in Shaanxi Province, this paper mainly discusses the pest division in our province based on the natural conditions and forestry in the province, Prevention and research work put forward some crude ideas.