Spatial distribution regularities of Holcocerus hippophaecolus Pupae Genetic Relationship between Holcocerus hippophaecolust and H. vicarious Based on CO ⅠCO Ⅱ and Cyt b Genes Preliminary Study on Biological Characteristic of Holcocerus hippophaecolus Integrated Management of Holcocerus hippophaecolus (Lepidoptera:Cossidae) Model of disasters prediction in seabuckthorn shrubberies Synthesis and Field Tests of Sex Attractant for Holcocerus hippophaecolus (Lepidoptera:Cossidae)