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当七十年代,我省在陕南地区推广栽植油橄榄时,尚未发现有严重病虫为害。十多年来,随着栽培面积扩大,树龄增长,病虫害也逐渐发生蔓延起来。据初步调查,业已发生并形成为害的,即有炭疽病(Colletri-chum gloeosporioides Penz.)、云斑天牛(Batocea horsfieldi Hope)、芳香木蠹蛾(Cossus cossus Linnaeus),大粒横沟象(Dyscerus cribripennis Matsumura et K-ono)等,其中以云斑天牛对油橄榄的生长发育乃至生存威胁最大,已成为油橄榄的主要害虫。1980～1983年,我们对该虫在汉中地区的分布、为害进行了调查,并在汉中市武乡林场设置固定观察点,进行了生活史、习性观察和防治试验,现将结果整理如下。一、分布和为害根据目前掌握的材料,国外各油橄榄主
When the seventies, our province in southern Shaanxi to promote olive oil planting, we have not yet found a serious pest damage. For more than a decade, with the expansion of cultivated area and the increase of tree age, pests and diseases have also gradually spread. According to the preliminary investigation, it has occurred and has become harmful, namely, Colletri-chum gloeosporioides Penz., Batocea horsfieldi Hope, Cossus cossus Linnaeus, Dyscerus Cribripennis Matsumura and K-ono), among which, the cloudy-day-beetle has the greatest threat to the growth and development of the olive, and has become the major pest of olive. From 1980 to 1983, we investigated the distribution and damage of the insects in Hanzhong area, set up fixed observation points in Wuxiang Forest Farm, Hanzhong City, and conducted life history, habit observation and prevention and control tests. The results are summarized as follows. First, the distribution and damage According to the current grasp of the material, the main foreign olive