甘肃省森林昆虫研究概况.pdfVIP

第32卷第4期 甘肃林业科技 V01．32 No．4 2007年12月 Journal of Gansu Forestry Science and Technology Dec．2O0r7 文章编号：1006．0960(2007)04．0036．06 甘肃省森林昆虫研究概况 王洪建 ，邢社贵 (1．甘肃省林业科学技术推广总站，甘肃兰州730046；2．甘肃省白龙江林业管理局，甘肃陇南746010) 摘要：通过多年来的调查研究，结果表明：(1)共采集甘肃省森林昆虫标本25万多号，经过严格的鉴定，发 现森林昆虫及螨类4 965种，其中昆虫22目264科，4 949种，有706种为甘肃省新纪录，21种为中国新纪 录，并鉴定出65个新种；(2)区系研究结果表明，甘肃省昆虫主要有古北界种类、古北和东洋共有种类、东洋界 种类组成，约占总数的80％一90％，其他分布型所占比例较小，从起源上讲，甘肃省昆虫种类亦来自东方系统的 种类最多，其次为印度马来西亚系统和中亚细亚系统的种类，并有一定数量的特有种类；(3)基本摸清了甘肃 省主要森林害虫的生物学、寄主及分布范围，在不同地区开展了黄斑星天牛、甘伪小眼夜蛾、松梢小卷蛾、舞蠹 蛾、吹绵蚧、竹缘蝽、榆举肢蛾、核桃扁叶甲、铜色花椒跳甲等重大森林害虫的综合防治工作，取得了显著的经 济效益和社会效益。 关键词：森林昆虫；区系；甘肃 中图分类号：Q 968．2(242) 文献标识码：A Studies on Classification and Fauna of Forestry Insect in Gansu WANG Hong~ian，XING She—gui (J『．The forestry Sci—tech extension Station of Gansu Province，Lanzhou 730046，Chino；2．Forestry Management Bureau ofBailon~iang,Longnan Gansu 746010，China) Abstract：Through widespread investigation for many years in Gansu province，the results indicated：1) 250 000 insect specimens were collected，from these material，4 949 species and subspecies of forest inseet and acarid were identified，they belonged to 22 Order,263 families and 706 species of them are the new record in Gansu，2 1 species are the new record in China and 65 new species are discovered；2)The result of fauna analysis indicated：Insect species of Gansu province mainly consists of Palearctic elements，Oriental elements，Palearctie and Oriental elements，accounting for 80％一90％．In view of source。the insect species of Gansu mainly come from the East system．Indo—Malayan systems are the second．3)Biology，host and distribution of main forest pests in Gansu province were found out in different regions and significant preserve and control of Anoplophora nobi