【摘要】 用典型抽样技术,对西南桦、柚木、团花树、云南石梓、马占相思树、西南木荷6种重要阔叶树的害虫进行实地调查,基本查清了6树种的害虫种类、危害部位、危害程度及地理分布.在云南危害以上6树种的害虫有65种,隶属6目27科,其中已经造成严重经济损失的害虫有15种.更多还原

【Abstract】 A survey was carried out on insect pests of 6 valuable broadleaved tropical tree species,i.e.,Betula alnoides,Tectona grandis,Anthocephalus chinensis,Gmelina arborea,Acacia mangium and Schima wallichii,by means of typical sampling method in the field.It was made clear the insect pest species,damage of the positions,damage extent and distribution of the major insect pests of each tree species.The survey showed that there were 65 insect pest species in 27 families of 6 orders damaging the 6 tropical hardwood tree species in Yunnan Province.Among them 15 pest species have caused severe economic losses.更多还原