天牛选择寄主的行为与树种的选择反应

Behaviors of Host Selection of Longicorns and Response of the Host Trees to the Selection

察了混交林中黄斑星天牛和光肩星天牛选择寄主的行为过程及各树种对天牛的选择反应。得到 :混交林中 ,天牛找到嗜好寄主的行程长 ,行为复杂 ,可归纳为三种类型 ;天牛对树种的 4级嗜好度 ,归为 4类抗性 ,1、2类为受害树种 ,3。

The behaviors of Anoplophora nobilis and A.glabripennis in the process of host selection and the response of the host trees to the selection in a mixed forest stand were ob- served.The process of hostselection of longicorns was long,and the behaviors of longicorns in this process were complicated,which can be divided into three models.Four degrees of feeding hobbies of longicorns,corresponding to four classes of resistance of the host trees, were obtained,i.e.,1 st and 2 nd classes were liable trees to insect injury,3rd and 4th howev- er,were high resistant and immune ones.