金塔胡杨林景区植物与昆虫资源考察报告

Investigation Report on Plant and Insect Resources of Populus euphratica Forest Area in Jinta County

为了明确酒泉金塔胡杨林景区植被及昆虫资源状况和存在的问题,通过实地调查、采集植物和昆虫标本在室内进行了植物和昆虫种类鉴定,以期为酒泉金塔胡杨林景区自然资源保护和合理开发利用奠定基础。调查结果表明:景区内植物有22科41属48种,其中裸子植物3科4属4种,被子植物19科37属44种,优势种主要为胡杨、多枝柽柳以及沙枣、骆驼刺、小叶杨等耐旱性较强的植物。昆虫有9目26科31种,昆虫资源种类稀少,尤其昆虫天敌种类仅有4种,大多为林业上重要的钻蛀性和刺吸类害虫,其中家茸天牛Trichoferus campestris、烟扁角树蜂Tremex fuscicornis、蔡氏胡杨个木虱Egeirotrioza ceardi、柽柳扭绵蚧Naiacoccus minor为金塔胡杨林景区乃至甘肃省从未报道过的林业新害虫。

In order to clarify the status and existing problems of vegetation and insect resources of Populus euphratica forest stand in Jinta County,plants and insect species identification was carried out indoors after field investigation and collection of plant and insect specimens,so as to lay a foundation for the protection and rational exploitation and utilization of natural resources in Jinta poplar forest area.The investigation results showed that there were 48 species of plants belonging to 41 genera and 22 families in the scenic area,among which theree were 4 species of gymnosperms belonging to 3 families and 4 genera,and 44 species of angiosperms belonging to 37 genera and 19 families.Insects were rare and had 9 orders,26 families 31 insect species,especially natural enemy species only four.The most of the insects were important drilling-decay and sap-sucking pests on forestry,meanwhile the four species Trichoferus campestris,Tremex fuscicornis,Egeirotrioza ceardi,Naiacoccus minor as new forestry pests had never been reported in Jinta poplar forest area and in Gansu province.