Studies on diversity of plants and coniferous bark beetles in different plant communities in Huoditang located ecosystem station Study on the Relationship between Growth and EnvironmentalTemperature of Rhizophagus grandis (Coleoptera: Rhizophagidae),An Important Predator of Dendroctonus valens (Coleoptera: Scolytidae) A Morphological Study on the Proventriculi of Sixteen Species of Bark Beetles (Coleoptera: Curculionidae: Scolytinae) Bred in Pinus armandi Review on Olfactory Recognition and Behavioral Responses of Conifer Bark Beetles to Nonhost Volatiles THE REGULATION ROLE OF SEMIOCHEMICALS IN THE HOST SELECTION AND COLONIZATION OF BARK BEETLES Research Progress in the Effects of Non-host Volatiles to Conifer-inhabiting Bark Beetles Spatial Distribution of Mountain Pine Beetle Outbreaks in Relation to Climate and Stand Characteristics: A Dendroecological Analysis Study on Applying Semiochemicals of Bark Beetle in Timber Quarantine Study on the Species Diversity of Plant Community and Coniferous Bark Beetles Community Diversity in Niubeiliang Nature Reserve Research Advance on Biological Control of Conifer Bark Beetles with the Predator,Rhizophagus grandis(Coleoptera:Rhizophagidae) MICHE OF BARK BEETLES WITHIN PINUS ARMANDI EC0SYSTEM IN INNER QINLING MOUNTAINS RESISTANCE OF HOST TREES AND EXISTANCE STRATEGY EVOLUTION OF BARK BEETLES