Characteristics of Supplementary Nutrition Feeding of Massicus raddei (Coleoptera: Cerambycidae) Adults and the Main Components of the Fed-Sap of Host Tree Quercus mongolica Relationship between adult emergence of Massicus raddei (Coleoptera: Cerambycidae) and temperature and relative humidity Population-keeping mechanism of the parasitoid Dastarcus helophoroides (Coleoptera: Bothrideridae) of Massicus raddei (Coleoptera: Cerambycidae) in oak forest Distribution Pattern of Larvae and Pupae of Massicus raddei in the Trunk of Quercus liaotungensis Biocontrol of Oak Longhorn Beetle, Massicus raddei by Releasing Parasitoid Dastarcus helophoroides (Coleoptera: Bothrideridae) Adults and Eggs Oak Stand Description Factors and Risk Assessment of Harm Extent of Massicus raddei (Coleoptera: Cerambycidae)